Update #48 - Added some features from OptiFine

sources/lwjgl/java/net/lax1dude/eaglercraft/v1_8/internal/OpenGLObjects.java

@@ -58,6 +58,8 @@ class OpenGLObjects {
 	static class TextureGL implements ITextureGL {
 		
 		final int ptr;
+		int width;
+		int height;
 		
 		TextureGL(int ptr) {
 			this.ptr = ptr;
@@ -71,7 +73,23 @@ class OpenGLObjects {
 		public void free() {
 			PlatformOpenGL._wglDeleteTextures(this);
 		}
-		
+
+		@Override
+		public void setCacheSize(int w, int h) {
+			width = w;
+			height = h;
+		}
+
+		@Override
+		public int getWidth() {
+			return width;
+		}
+
+		@Override
+		public int getHeight() {
+			return height;
+		}
+
 	}
 
 	static class ProgramGL implements IProgramGL {

sources/main/java/dev/redstudio/alfheim/lighting/LightingEngine.java

@@ -0,0 +1,496 @@
+package dev.redstudio.alfheim.lighting;
+
+import dev.redstudio.alfheim.utils.DeduplicatedLongQueue;
+import dev.redstudio.redcore.math.ClampUtil;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.util.BlockPos;
+import net.minecraft.util.EnumFacing;
+import net.minecraft.util.Vec3i;
+import net.minecraft.world.EnumSkyBlock;
+import net.minecraft.world.World;
+import net.minecraft.world.chunk.Chunk;
+import net.minecraft.world.chunk.storage.ExtendedBlockStorage;
+
+/**
+ * Modified by lax1dude not to abuse interfaces
+ * 
+ * @author Luna Lage (Desoroxxx)
+ * @author kappa-maintainer
+ * @author embeddedt
+ * @author Angeline (@jellysquid)
+ * @since 1.0
+ */
+public final class LightingEngine {
+
+	private static final byte MAX_LIGHT_LEVEL = 15;
+
+	private final World world;
+
+	// Layout of longs: [padding(4)] [y(8)] [x(26)] [z(26)]
+	private final DeduplicatedLongQueue[] lightUpdateQueues = new DeduplicatedLongQueue[EnumSkyBlock.values().length];
+
+	// Layout of longs: see above
+	private final DeduplicatedLongQueue[] darkeningQueues = new DeduplicatedLongQueue[MAX_LIGHT_LEVEL + 1];
+	private final DeduplicatedLongQueue[] brighteningQueues = new DeduplicatedLongQueue[MAX_LIGHT_LEVEL + 1];
+
+	// Layout of longs: [newLight(4)] [pos(60)]
+	private final DeduplicatedLongQueue initialBrightenings;
+	// Layout of longs: [padding(4)] [pos(60)]
+	private final DeduplicatedLongQueue initialDarkenings;
+
+	private boolean updating = false;
+
+	// Layout parameters
+	// Length of bit segments
+	private static final int L_X = 26, L_Y = 8, L_Z = 26, L_L = 4;
+
+	// Bit segment shifts/positions
+	private static final int S_Z = 0, S_X = S_Z + L_Z, S_Y = S_X + L_X, S_L = S_Y + L_Y;
+
+	// Bit segment masks
+	private static final long M_X = (1L << L_X) - 1, M_Y = (1L << L_Y) - 1, M_Z = (1L << L_Z) - 1,
+			M_L = (1L << L_L) - 1, M_POS = (M_Y << S_Y) | (M_X << S_X) | (M_Z << S_Z);
+
+	// Bit to check whether y had overflow
+	private static final long Y_CHECK = 1L << (S_Y + L_Y);
+
+	private static final long[] neighborShifts = new long[6];
+
+	static {
+		for (byte i = 0; i < 6; ++i) {
+			final Vec3i offset = EnumFacing._VALUES[i].getDirectionVec();
+			neighborShifts[i] = ((long) offset.getY() << S_Y) | ((long) offset.getX() << S_X)
+					| ((long) offset.getZ() << S_Z);
+		}
+	}
+
+	// Mask to extract chunk identifier
+	private static final long M_CHUNK = ((M_X >> 4) << (4 + S_X)) | ((M_Z >> 4) << (4 + S_Z));
+
+	// Iteration state data
+	// Cache position to avoid allocation of new object each time
+	private final BlockPos currentPos = new BlockPos();
+	private Chunk currentChunk;
+	private long currentChunkIdentifier;
+	private long currentData;
+
+	// Cached data about neighboring blocks (of tempPos)
+	private boolean isNeighborDataValid = false;
+
+	private final NeighborInfo[] neighborInfos = new NeighborInfo[6];
+	private DeduplicatedLongQueue currentQueue;
+
+	public LightingEngine(final World world) {
+		this.world = world;
+
+		initialBrightenings = new DeduplicatedLongQueue(16384);
+		initialDarkenings = new DeduplicatedLongQueue(16384);
+
+		for (int i = 0; i < EnumSkyBlock.values().length; ++i)
+			lightUpdateQueues[i] = new DeduplicatedLongQueue(16384);
+
+		for (int i = 0; i < darkeningQueues.length; ++i)
+			darkeningQueues[i] = new DeduplicatedLongQueue(16384);
+
+		for (int i = 0; i < brighteningQueues.length; ++i)
+			brighteningQueues[i] = new DeduplicatedLongQueue(16384);
+
+		for (int i = 0; i < neighborInfos.length; ++i)
+			neighborInfos[i] = new NeighborInfo();
+	}
+
+	/**
+	 * Schedules a light update for the specified light type and position to be
+	 * processed later by
+	 * {@link LightingEngine#processLightUpdatesForType(EnumSkyBlock)}
+	 */
+	public void scheduleLightUpdate(final EnumSkyBlock lightType, final BlockPos pos) {
+		scheduleLightUpdate(lightType, encodeWorldCoord(pos));
+	}
+
+	/**
+	 * Schedules a light update for the specified light type and position to be
+	 * processed later by {@link LightingEngine#processLightUpdates()}
+	 */
+	private void scheduleLightUpdate(final EnumSkyBlock lightType, final long blockPos) {
+		lightUpdateQueues[lightType.ordinal()].enqueue(blockPos);
+	}
+
+	/**
+	 * Calls {@link LightingEngine#processLightUpdatesForType(EnumSkyBlock)} for
+	 * both light types
+	 */
+	public void processLightUpdates() {
+		processLightUpdatesForType(EnumSkyBlock.SKY);
+		processLightUpdatesForType(EnumSkyBlock.BLOCK);
+	}
+
+	/**
+	 * Processes light updates of the given light type
+	 */
+	public void processLightUpdatesForType(final EnumSkyBlock lightType) {
+		final DeduplicatedLongQueue queue = lightUpdateQueues[lightType.ordinal()];
+
+		// Quickly check if the queue is empty before we acquire a more expensive lock.
+		if (queue.isEmpty())
+			return;
+
+		processLightUpdatesForTypeInner(lightType, queue);
+	}
+
+	private void processLightUpdatesForTypeInner(final EnumSkyBlock lightType, final DeduplicatedLongQueue queue) {
+		// Avoid nested calls
+		if (updating)
+			throw new IllegalStateException("Already processing updates!");
+
+		updating = true;
+
+		currentChunkIdentifier = -1; // Reset chunk cache
+
+		currentQueue = queue;
+
+		if (currentQueue != null)
+			currentQueue.newDeduplicationSet();
+
+		// Process the queued updates and enqueue them for further processing
+		while (nextItem()) {
+			if (currentChunk == null)
+				continue;
+
+			final byte oldLight = getCursorCachedLight(lightType);
+			final byte newLight = calculateNewLightFromCursor(lightType);
+
+			if (oldLight < newLight)
+				initialBrightenings.enqueue(((long) newLight << S_L) | currentData); // Don't enqueue directly for
+																						// brightening to avoid
+																						// duplicate scheduling
+			else if (oldLight > newLight)
+				initialDarkenings.enqueue(currentData); // Don't enqueue directly for darkening to avoid duplicate
+														// scheduling
+		}
+
+		currentQueue = initialBrightenings;
+
+		if (currentQueue != null)
+			currentQueue.newDeduplicationSet();
+
+		while (nextItem()) {
+			final byte newLight = (byte) (currentData >> S_L & M_L);
+
+			if (newLight > getCursorCachedLight(lightType))
+				enqueueBrightening(currentPos, currentData & M_POS, newLight, currentChunk, lightType); // Sets the
+																										// light to
+																										// newLight to
+																										// only schedule
+																										// once. Clear
+																										// leading bits
+																										// of curData
+																										// for later
+		}
+
+		currentQueue = initialDarkenings;
+
+		if (currentQueue != null)
+			currentQueue.newDeduplicationSet();
+
+		while (nextItem()) {
+			final byte oldLight = getCursorCachedLight(lightType);
+
+			if (oldLight != 0)
+				enqueueDarkening(currentPos, currentData, oldLight, currentChunk, lightType); // Sets the light to zero
+																								// to only schedule once
+		}
+
+		// Iterate through enqueued updates (brightening and darkening in parallel) from
+		// brightest to darkest so that we only need to iterate once
+		for (byte currentLight = MAX_LIGHT_LEVEL; currentLight >= 0; --currentLight) {
+			currentQueue = darkeningQueues[currentLight];
+
+			if (currentQueue != null)
+				currentQueue.newDeduplicationSet();
+
+			while (nextItem()) {
+				// Don't darken if we got brighter due to some other change
+				if (getCursorCachedLight(lightType) >= currentLight)
+					continue;
+
+				final IBlockState blockState = currentChunk.getBlockState(currentPos);
+				final byte luminosity = getCursorLuminosity(blockState, lightType);
+				final byte opacity; // If luminosity is high enough, opacity is irrelevant
+
+				if (luminosity >= MAX_LIGHT_LEVEL - 1)
+					opacity = 1;
+				else
+					opacity = getPosOpacity(currentPos, blockState);
+
+				// Only darken neighbors if we indeed became darker
+				if (calculateNewLightFromCursor(luminosity, opacity, lightType) < currentLight) {
+					// Need to calculate new light value from neighbors IGNORING neighbors which are
+					// scheduled for darkening
+					byte newLight = luminosity;
+
+					fetchNeighborDataFromCursor(lightType);
+
+					for (final NeighborInfo neighborInfo : neighborInfos) {
+						final Chunk neighborChunk = neighborInfo.chunk;
+
+						if (neighborChunk == null)
+							continue;
+
+						final byte neighborLight = neighborInfo.light;
+
+						if (neighborLight == 0)
+							continue;
+
+						final BlockPos neighborPos = neighborInfo.mutableBlockPos;
+
+						if (currentLight - getPosOpacity(neighborPos, neighborChunk
+								.getBlockState(neighborPos)) >= neighborLight) /*
+																				 * Schedule neighbor for darkening if we
+																				 * possibly light it
+																				 */ {
+							enqueueDarkening(neighborPos, neighborInfo.key, neighborLight, neighborChunk, lightType);
+						} else /* Only use for new light calculation if not */ {
+							// If we can't darken the neighbor, no one else can (because of processing
+							// order) -> safe to let us be illuminated by it
+							newLight = (byte) Math.max(newLight, neighborLight - opacity);
+						}
+					}
+
+					// Schedule brightening since light level was set to 0
+					enqueueBrighteningFromCursor(newLight, lightType);
+				} else /*
+						 * We didn't become darker, so we need to re-set our initial light value (was
+						 * set to zero) and notify neighbors
+						 */ {
+					enqueueBrighteningFromCursor(currentLight, lightType); // Do not spread to neighbors immediately to
+																			// avoid scheduling multiple times
+				}
+			}
+
+			currentQueue = brighteningQueues[currentLight];
+
+			if (currentQueue != null)
+				currentQueue.newDeduplicationSet();
+
+			while (nextItem()) {
+				final byte oldLight = getCursorCachedLight(lightType);
+
+				// Only process this if nothing else has happened at this position since
+				// scheduling
+				if (oldLight == currentLight) {
+					world.notifyLightSet(currentPos);
+
+					if (currentLight > 1)
+						spreadLightFromCursor(currentLight, lightType);
+				}
+			}
+		}
+
+		updating = false;
+	}
+
+	/**
+	 * Gets data for neighbors of {@link #currentPos} and saves the results into
+	 * neighbor state data members. If a neighbor can't be accessed/doesn't exist,
+	 * the corresponding entry in neighborChunks is null - others are not reset
+	 */
+	private void fetchNeighborDataFromCursor(final EnumSkyBlock lightType) {
+		// Only update if curPos was changed
+		if (isNeighborDataValid)
+			return;
+
+		isNeighborDataValid = true;
+
+		for (int i = 0; i < neighborInfos.length; ++i) {
+			final NeighborInfo neighborInfo = neighborInfos[i];
+			final long neighborLongPos = neighborInfo.key = currentData + neighborShifts[i];
+
+			if ((neighborLongPos & Y_CHECK) != 0) {
+				neighborInfo.chunk = null;
+				continue;
+			}
+
+			final BlockPos neighborPos = decodeWorldCoord(neighborInfo.mutableBlockPos, neighborLongPos);
+
+			final Chunk neighborChunk;
+
+			if ((neighborLongPos & M_CHUNK) == currentChunkIdentifier)
+				neighborChunk = neighborInfo.chunk = currentChunk;
+			else
+				neighborChunk = neighborInfo.chunk = getChunk(neighborPos);
+
+			if (neighborChunk != null) {
+				final ExtendedBlockStorage neighborSection = neighborChunk
+						.getBlockStorageArray()[neighborPos.getY() >> 4];
+
+				neighborInfo.light = getCachedLightFor(neighborChunk, neighborSection, neighborPos, lightType);
+			}
+		}
+	}
+
+	private static byte getCachedLightFor(final Chunk chunk, final ExtendedBlockStorage storage,
+			final BlockPos blockPos, final EnumSkyBlock type) {
+		final int x = blockPos.getX() & 15;
+		final int y = blockPos.getY();
+		final int z = blockPos.getZ() & 15;
+
+		if (storage == null)
+			return type == EnumSkyBlock.SKY && chunk.canSeeSky(blockPos) ? (byte) type.defaultLightValue : 0;
+		else if (type == EnumSkyBlock.SKY)
+			return chunk.getWorld().provider.getHasNoSky() ? 0 : (byte) storage.getExtSkylightValue(x, y & 15, z);
+		else
+			return type == EnumSkyBlock.BLOCK ? (byte) storage.getExtBlocklightValue(x, y & 15, z)
+					: (byte) type.defaultLightValue;
+	}
+
+	private byte calculateNewLightFromCursor(final EnumSkyBlock lightType) {
+		final IBlockState blockState = currentChunk.getBlockState(currentPos);
+
+		final byte luminosity = getCursorLuminosity(blockState, lightType);
+		final byte opacity;
+
+		if (luminosity >= MAX_LIGHT_LEVEL - 1)
+			opacity = 1;
+		else
+			opacity = getPosOpacity(currentPos, blockState);
+
+		return calculateNewLightFromCursor(luminosity, opacity, lightType);
+	}
+
+	private byte calculateNewLightFromCursor(final byte luminosity, final byte opacity, final EnumSkyBlock lightType) {
+		if (luminosity >= MAX_LIGHT_LEVEL - opacity)
+			return luminosity;
+
+		byte newLight = luminosity;
+
+		fetchNeighborDataFromCursor(lightType);
+
+		for (final NeighborInfo neighborInfo : neighborInfos) {
+			if (neighborInfo.chunk == null)
+				continue;
+
+			newLight = (byte) Math.max(neighborInfo.light - opacity, newLight);
+		}
+
+		return newLight;
+	}
+
+	private void spreadLightFromCursor(final byte currentLight, final EnumSkyBlock lightType) {
+		fetchNeighborDataFromCursor(lightType);
+
+		for (final NeighborInfo neighborInfo : neighborInfos) {
+			final Chunk neighborChunk = neighborInfo.chunk;
+
+			if (neighborChunk == null || currentLight < neighborInfo.light)
+				continue;
+
+			final BlockPos neighborBlockPos = neighborInfo.mutableBlockPos;
+
+			final byte newLight = (byte) (currentLight
+					- getPosOpacity(neighborBlockPos, neighborChunk.getBlockState(neighborBlockPos)));
+
+			if (newLight > neighborInfo.light)
+				enqueueBrightening(neighborBlockPos, neighborInfo.key, newLight, neighborChunk, lightType);
+		}
+	}
+
+	private void enqueueBrighteningFromCursor(final byte newLight, final EnumSkyBlock lightType) {
+		enqueueBrightening(currentPos, currentData, newLight, currentChunk, lightType);
+	}
+
+	/**
+	 * Enqueues the blockPos for brightening and sets its light value to newLight
+	 */
+	private void enqueueBrightening(final BlockPos blockPos, final long longPos, final byte newLight, final Chunk chunk,
+			final EnumSkyBlock lightType) {
+		brighteningQueues[newLight].enqueue(longPos);
+
+		chunk.setLightFor(lightType, blockPos, newLight);
+	}
+
+	/**
+	 * Enqueues the blockPos for darkening and sets its light value to 0
+	 */
+	private void enqueueDarkening(final BlockPos blockPos, final long longPos, final byte oldLight, final Chunk chunk,
+			final EnumSkyBlock lightType) {
+		darkeningQueues[oldLight].enqueue(longPos);
+
+		chunk.setLightFor(lightType, blockPos, 0);
+	}
+
+	private static BlockPos decodeWorldCoord(final BlockPos mutableBlockPos, final long longPos) {
+		return mutableBlockPos.func_181079_c((int) (longPos >> S_X & M_X) - (1 << L_X - 1), (int) (longPos >> S_Y & M_Y),
+				(int) (longPos >> S_Z & M_Z) - (1 << L_Z - 1));
+	}
+
+	private static long encodeWorldCoord(final BlockPos pos) {
+		return ((long) pos.getY() << S_Y) | ((long) pos.getX() + (1 << L_X - 1) << S_X)
+				| ((long) pos.getZ() + (1 << L_Z - 1) << S_Z);
+	}
+
+	/**
+	 * Polls a new item from {@link #currentQueue} and fills in state data members
+	 *
+	 * @return If there was an item to poll
+	 */
+	private boolean nextItem() {
+		if (currentQueue.isEmpty()) {
+			currentQueue = null;
+
+			return false;
+		}
+
+		currentData = currentQueue.dequeue();
+		isNeighborDataValid = false;
+
+		decodeWorldCoord(currentPos, currentData);
+
+		final long chunkIdentifier = currentData & M_CHUNK;
+
+		if (currentChunkIdentifier != chunkIdentifier) {
+			currentChunk = getChunk(currentPos);
+			currentChunkIdentifier = chunkIdentifier;
+		}
+
+		return true;
+	}
+
+	private byte getCursorCachedLight(final EnumSkyBlock lightType) {
+		return currentChunk.alfheim$getCachedLightFor(lightType, currentPos);
+	}
+
+	/**
+	 * Calculates the luminosity for {@link #currentPos}, taking into account the
+	 * light type
+	 */
+	private byte getCursorLuminosity(final IBlockState state, final EnumSkyBlock lightType) {
+		if (lightType == EnumSkyBlock.SKY) {
+			if (currentChunk.canSeeSky(currentPos))
+				return (byte) EnumSkyBlock.SKY.defaultLightValue;
+			else
+				return 0;
+		}
+
+		return (byte) ClampUtil.clampMinFirst(state.getBlock().getLightValue(), 0, MAX_LIGHT_LEVEL);
+	}
+
+	private byte getPosOpacity(final BlockPos blockPos, final IBlockState blockState) {
+		return (byte) ClampUtil.clampMinFirst(blockState.getBlock().getLightOpacity(), 1, MAX_LIGHT_LEVEL);
+	}
+
+	private Chunk getChunk(final BlockPos blockPos) {
+		return world.getChunkProvider().getLoadedChunk(blockPos.getX() >> 4, blockPos.getZ() >> 4);
+	}
+
+	private static final class NeighborInfo {
+
+		public final BlockPos mutableBlockPos = new BlockPos();
+
+		public Chunk chunk;
+
+		public byte light;
+
+		public long key;
+	}
+}

sources/main/java/dev/redstudio/alfheim/utils/DeduplicatedLongQueue.java

@@ -0,0 +1,75 @@
+package dev.redstudio.alfheim.utils;
+
+import com.carrotsearch.hppc.LongArrayDeque;
+import com.carrotsearch.hppc.LongHashSet;
+
+/**
+ * A queue implementation for long values that are deduplicated on addition.
+ * <p>
+ * This is achieved by storing the values in a {@link LongOpenHashSet} and a
+ * {@link LongArrayFIFOQueue}.
+ *
+ * @author Luna Lage (Desoroxxx)
+ * @since 1.3
+ */
+public final class DeduplicatedLongQueue {
+
+	// TODO: Fully Implement my own implementation to get rid of the downsides of
+	// reduce etc...
+
+	private final LongArrayDeque queue;
+	private LongHashSet set;
+
+	/**
+	 * Creates a new deduplicated queue with the given capacity.
+	 *
+	 * @param capacity The capacity of the deduplicated queue
+	 */
+	public DeduplicatedLongQueue(final int capacity) {
+		set = new LongHashSet(capacity);
+		queue = new LongArrayDeque(capacity);
+	}
+
+	/**
+	 * Adds a value to the queue.
+	 *
+	 * @param value The value to add to the queue
+	 */
+	public void enqueue(final long value) {
+		if (set.add(value))
+			queue.addLast(value);
+	}
+
+	/**
+	 * Removes and returns the first value in the queue.
+	 *
+	 * @return The first value in the queue
+	 */
+	public long dequeue() {
+		return queue.removeFirst();
+	}
+
+	/**
+	 * Returns whether the queue is empty.
+	 *
+	 * @return {@code true} if the queue is empty, {@code false} otherwise
+	 */
+	public boolean isEmpty() {
+		return queue.isEmpty();
+	}
+
+	/**
+	 * Creates a new deduplication set.
+	 */
+	public void newDeduplicationSet() {
+		int i = queue.size();
+		if(i < 4) {
+			i = 4;
+		}
+		if((set.keys.length * 3 / 2) > i) {
+			set = new LongHashSet(i);
+		}else {
+			set.clear();
+		}
+	}
+}

sources/main/java/dev/redstudio/alfheim/utils/EnumBoundaryFacing.java

@@ -0,0 +1,5 @@
+package dev.redstudio.alfheim.utils;
+
+public enum EnumBoundaryFacing {
+	IN, OUT
+}

sources/main/java/dev/redstudio/alfheim/utils/WorldChunkSlice.java

@@ -0,0 +1,88 @@
+package dev.redstudio.alfheim.utils;
+
+import net.minecraft.world.chunk.Chunk;
+import net.minecraft.world.chunk.IChunkProvider;
+
+/**
+ * Represents a slice of a world containing a collection of chunks.
+ *
+ * @author Luna Lage (Desoroxxx)
+ * @author Angeline (@jellysquid)
+ * @since 1.0
+ */
+public class WorldChunkSlice {
+
+	private static final int DIAMETER = 5;
+	private static final int RADIUS = DIAMETER / 2;
+
+	private final int x, z;
+
+	private final Chunk[] chunks;
+
+	/**
+	 * Initializes a {@link WorldChunkSlice} object using a given chunk provider and
+	 * coordinates.
+	 *
+	 * @param chunkProvider The chunk provider to get chunks from
+	 * @param x             The X-coordinate of the center chunk
+	 * @param z             The Z-coordinate of the center chunk
+	 */
+	public WorldChunkSlice(final IChunkProvider chunkProvider, final int x, final int z) {
+		chunks = new Chunk[DIAMETER * DIAMETER];
+
+		for (int xDiff = -RADIUS; xDiff <= RADIUS; xDiff++)
+			for (int zDiff = -RADIUS; zDiff <= RADIUS; zDiff++)
+				chunks[((xDiff + RADIUS) * DIAMETER) + (zDiff + RADIUS)] = chunkProvider.getLoadedChunk(x + xDiff,
+						z + zDiff);
+
+		this.x = x - RADIUS;
+		this.z = z - RADIUS;
+	}
+
+	/**
+	 * Checks if all chunks within a radius around a coordinate are loaded.
+	 *
+	 * @param x      The X-coordinate to check around
+	 * @param z      The Z-coordinate to check around
+	 * @param radius The radius around the coordinates to check
+	 *
+	 * @return true if all chunks are loaded, false otherwise
+	 */
+	public boolean isLoaded(final int x, final int z, final int radius) {
+		final int xStart = ((x - radius) >> 4) - this.x;
+		final int zStart = ((z - radius) >> 4) - this.z;
+		final int xEnd = ((x + radius) >> 4) - this.x;
+		final int zEnd = ((z + radius) >> 4) - this.z;
+
+		for (int currentX = xStart; currentX <= xEnd; ++currentX)
+			for (int currentZ = zStart; currentZ <= zEnd; ++currentZ)
+				if (getChunk(currentX, currentZ) == null)
+					return false;
+
+		return true;
+	}
+
+	/**
+	 * Retrieves the chunk that includes the provided world coordinates.
+	 *
+	 * @param x The X-coordinate in the world
+	 * @param z The Z-coordinate in the world
+	 *
+	 * @return The Chunk object that includes these coordinates
+	 */
+	public Chunk getChunkFromWorldCoords(final int x, final int z) {
+		return getChunk((x >> 4) - this.x, (z >> 4) - this.z);
+	}
+
+	/**
+	 * Retrieves the chunk located at the given coordinates within this chunk slice.
+	 *
+	 * @param x The X-coordinate within the slice
+	 * @param z The Z-coordinate within the slice
+	 *
+	 * @return The Chunk object at these coordinates
+	 */
+	private Chunk getChunk(final int x, final int z) {
+		return chunks[(x * DIAMETER) + z];
+	}
+}

sources/main/java/dev/redstudio/redcore/math/ClampUtil.java

@@ -0,0 +1,201 @@
+package dev.redstudio.redcore.math;
+
+public class ClampUtil {
+	/**
+	 * Clamps a value within a specified range [min, max], checking for the minimum
+	 * value first.
+	 * <p>
+	 * If the input is less than min, it returns min. If the input is greater than
+	 * max, it returns max. Otherwise, it returns the input.
+	 *
+	 * @param input The input value to clamp
+	 * @param min   The minimum value to clamp to
+	 * @param max   The maximum value to clamp to
+	 *
+	 * @return The clamped value
+	 */
+	public static byte clampMinFirst(final byte input, final byte min, final byte max) {
+		return input < min ? min : input > max ? max : input;
+	}
+
+	/**
+	 * Clamps a value within a specified range [min, max], checking for the minimum
+	 * value first.
+	 * <p>
+	 * If the input is less than min, it returns min. If the input is greater than
+	 * max, it returns max. Otherwise, it returns the input.
+	 *
+	 * @param input The input value to clamp
+	 * @param min   The minimum value to clamp to
+	 * @param max   The maximum value to clamp to
+	 *
+	 * @return The clamped value
+	 */
+	public static short clampMinFirst(final short input, final short min, final short max) {
+		return input < min ? min : input > max ? max : input;
+	}
+
+	/**
+	 * Clamps a value within a specified range [min, max], checking for the minimum
+	 * value first.
+	 * <p>
+	 * If the input is less than min, it returns min. If the input is greater than
+	 * max, it returns max. Otherwise, it returns the input.
+	 *
+	 * @param input The input value to clamp
+	 * @param min   The minimum value to clamp to
+	 * @param max   The maximum value to clamp to
+	 *
+	 * @return The clamped value
+	 */
+	public static int clampMinFirst(final int input, final int min, final int max) {
+		return input < min ? min : input > max ? max : input;
+	}
+
+	/**
+	 * Clamps a value within a specified range [min, max], checking for the minimum
+	 * value first.
+	 * <p>
+	 * If the input is less than min, it returns min. If the input is greater than
+	 * max, it returns max. Otherwise, it returns the input.
+	 *
+	 * @param input The input value to clamp
+	 * @param min   The minimum value to clamp to
+	 * @param max   The maximum value to clamp to
+	 *
+	 * @return The clamped value
+	 */
+	public static long clampMinFirst(final long input, final long min, final long max) {
+		return input < min ? min : input > max ? max : input;
+	}
+
+	/**
+	 * Clamps a value within a specified range [min, max], checking for the minimum
+	 * value first.
+	 * <p>
+	 * If the input is less than min, it returns min. If the input is greater than
+	 * max, it returns max. Otherwise, it returns the input.
+	 *
+	 * @param input The input value to clamp
+	 * @param min   The minimum value to clamp to
+	 * @param max   The maximum value to clamp to
+	 *
+	 * @return The clamped value
+	 */
+	public static float clampMinFirst(final float input, final float min, final float max) {
+		return input < min ? min : input > max ? max : input;
+	}
+
+	/**
+	 * Clamps a value within a specified range [min, max], checking for the minimum
+	 * value first.
+	 * <p>
+	 * If the input is less than min, it returns min. If the input is greater than
+	 * max, it returns max. Otherwise, it returns the input.
+	 *
+	 * @param input The input value to clamp
+	 * @param min   The minimum value to clamp to
+	 * @param max   The maximum value to clamp to
+	 *
+	 * @return The clamped value
+	 */
+	public static double clampMinFirst(final double input, final double min, final double max) {
+		return input < min ? min : input > max ? max : input;
+	}
+
+	/**
+	 * Clamps a value within a specified range [min, max], checking for the maximum
+	 * value first.
+	 * <p>
+	 * If the input is greater than max, it returns max. If the input is less than
+	 * min, it returns min. Otherwise, it returns the input.
+	 *
+	 * @param input The input value to clamp
+	 * @param min   The minimum value to clamp to
+	 * @param max   The maximum value to clamp to
+	 * @return The clamped value
+	 */
+	public static byte clampMaxFirst(final byte input, final byte min, final byte max) {
+		return input > max ? max : input < min ? min : input;
+	}
+
+	/**
+	 * Clamps a value within a specified range [min, max], checking for the maximum
+	 * value first.
+	 * <p>
+	 * If the input is greater than max, it returns max. If the input is less than
+	 * min, it returns min. Otherwise, it returns the input.
+	 *
+	 * @param input The input value to clamp
+	 * @param min   The minimum value to clamp to
+	 * @param max   The maximum value to clamp to
+	 * @return The clamped value
+	 */
+	public static short clampMaxFirst(final short input, final short min, final short max) {
+		return input > max ? max : input < min ? min : input;
+	}
+
+	/**
+	 * Clamps a value within a specified range [min, max], checking for the maximum
+	 * value first.
+	 * <p>
+	 * If the input is greater than max, it returns max. If the input is less than
+	 * min, it returns min. Otherwise, it returns the input.
+	 *
+	 * @param input The input value to clamp
+	 * @param min   The minimum value to clamp to
+	 * @param max   The maximum value to clamp to
+	 * @return The clamped value
+	 */
+	public static int clampMaxFirst(final int input, final int min, final int max) {
+		return input > max ? max : input < min ? min : input;
+	}
+
+	/**
+	 * Clamps a value within a specified range [min, max], checking for the maximum
+	 * value first.
+	 * <p>
+	 * If the input is greater than max, it returns max. If the input is less than
+	 * min, it returns min. Otherwise, it returns the input.
+	 *
+	 * @param input The input value to clamp
+	 * @param min   The minimum value to clamp to
+	 * @param max   The maximum value to clamp to
+	 * @return The clamped value
+	 */
+	public static long clampMaxFirst(final long input, final long min, final long max) {
+		return input > max ? max : input < min ? min : input;
+	}
+
+	/**
+	 * Clamps a value within a specified range [min, max], checking for the maximum
+	 * value first.
+	 * <p>
+	 * If the input is greater than max, it returns max. If the input is less than
+	 * min, it returns min. Otherwise, it returns the input.
+	 *
+	 * @param input The input value to clamp
+	 * @param min   The minimum value to clamp to
+	 * @param max   The maximum value to clamp to
+	 * @return The clamped value
+	 */
+	public static float clampMaxFirst(final float input, final float min, final float max) {
+		return input > max ? max : input < min ? min : input;
+	}
+
+	/**
+	 * Clamps a value within a specified range [min, max], checking for the maximum
+	 * value first.
+	 * <p>
+	 * If the input is greater than max, it returns max. If the input is less than
+	 * min, it returns min. Otherwise, it returns the input.
+	 *
+	 * @param input The input value to clamp
+	 * @param min   The minimum value to clamp to
+	 * @param max   The maximum value to clamp to
+	 * @return The clamped value
+	 */
+	public static double clampMaxFirst(final double input, final double min, final double max) {
+		return input > max ? max : input < min ? min : input;
+	}
+}

sources/main/java/jdk_internal/bidi/Bidi.java

@@ -35,7 +35,7 @@
 
 package jdk_internal.bidi;
 
-import jdk_internal.bidi.icu.text.BidiBase;
+import jdk_internal.icu.text.BidiBase;
 
 /**
  * This class implements the Unicode Bidirectional Algorithm.

sources/main/java/jdk_internal/bidi/Normalizer.java

@@ -37,7 +37,7 @@
 
 package jdk_internal.bidi;
 
-import jdk_internal.bidi.icu.text.NormalizerBase;
+import jdk_internal.icu.text.NormalizerBase;
 
 /**
  * This class provides the method {@code normalize} which transforms Unicode

sources/main/java/jdk_internal/bidi/SunNormalizer.java

@@ -25,8 +25,8 @@
 
 package jdk_internal.bidi;
 
-import jdk_internal.bidi.icu.lang.UCharacter;
-import jdk_internal.bidi.icu.text.NormalizerBase;
+import jdk_internal.icu.lang.UCharacter;
+import jdk_internal.icu.text.NormalizerBase;
 
 /**
  * This Normalizer is for Unicode 3.2 support for IDNA only. Developers should

sources/main/java/jdk_internal/icu/impl/BMPSet.java

@@ -32,10 +32,10 @@
  ******************************************************************************
  */
 
-package jdk_internal.bidi.icu.impl;
+package jdk_internal.icu.impl;
 
-import jdk_internal.bidi.icu.text.UnicodeSet.SpanCondition;
-import jdk_internal.bidi.icu.util.OutputInt;
+import jdk_internal.icu.text.UnicodeSet.SpanCondition;
+import jdk_internal.icu.util.OutputInt;
 
 /**
  * Helper class for frozen UnicodeSets, implements contains() and span()

sources/main/java/jdk_internal/icu/impl/CharTrie.java

@@ -30,12 +30,12 @@
  ******************************************************************************
  */
 
-package jdk_internal.bidi.icu.impl;
+package jdk_internal.icu.impl;
 
 import java.io.DataInputStream;
 import java.io.InputStream;
 
-import jdk_internal.bidi.icu.text.UTF16;
+import jdk_internal.icu.text.UTF16;
 
 import java.io.IOException;
 

sources/main/java/jdk_internal/icu/impl/CharacterIteratorWrapper.java

@@ -35,10 +35,10 @@
  *******************************************************************************
  */
 
-package jdk_internal.bidi.icu.impl;
+package jdk_internal.icu.impl;
 
 import jdk_internal.bidi.CharacterIterator;
-import jdk_internal.bidi.icu.text.UCharacterIterator;
+import jdk_internal.icu.text.UCharacterIterator;
 
 /**
  * This class is a wrapper around CharacterIterator and implements the

sources/main/java/jdk_internal/icu/impl/ICUBinary.java

@@ -30,7 +30,7 @@
  *******************************************************************************
  */
 
-package jdk_internal.bidi.icu.impl;
+package jdk_internal.icu.impl;
 
 import java.io.DataInputStream;
 import java.io.InputStream;
@@ -40,7 +40,7 @@ import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
 import java.util.Arrays;
 
-import jdk_internal.bidi.icu.util.VersionInfo;
+import jdk_internal.icu.util.VersionInfo;
 import net.lax1dude.eaglercraft.v1_8.EagRuntime;
 
 public final class ICUBinary {

sources/main/java/jdk_internal/icu/impl/Norm2AllModes.java

@@ -30,11 +30,11 @@
  *******************************************************************************
  */
 
-package jdk_internal.bidi.icu.impl;
+package jdk_internal.icu.impl;
 
 import java.io.IOException;
 
-import jdk_internal.bidi.icu.text.Normalizer2;
+import jdk_internal.icu.text.Normalizer2;
 
 public final class Norm2AllModes {
 	// Public API dispatch via Normalizer2 subclasses -------------------------- ***

sources/main/java/jdk_internal/icu/impl/NormalizerImpl.java

@@ -29,16 +29,16 @@
  *   Corporation and others.  All Rights Reserved.
  *******************************************************************************
  */
-package jdk_internal.bidi.icu.impl;
+package jdk_internal.icu.impl;
 
 import java.io.IOException;
 import java.nio.ByteBuffer;
 
-import jdk_internal.bidi.icu.lang.UCharacter;
-import jdk_internal.bidi.icu.text.Normalizer2;
-import jdk_internal.bidi.icu.text.UTF16;
-import jdk_internal.bidi.icu.util.CodePointTrie;
-import jdk_internal.bidi.icu.util.VersionInfo;
+import jdk_internal.icu.lang.UCharacter;
+import jdk_internal.icu.text.Normalizer2;
+import jdk_internal.icu.text.UTF16;
+import jdk_internal.icu.util.CodePointTrie;
+import jdk_internal.icu.util.VersionInfo;
 
 // Original filename in ICU4J: Normalizer2Impl.java
 public final class NormalizerImpl {

sources/main/java/jdk_internal/icu/impl/Punycode.java

@@ -37,12 +37,12 @@
 //      2007-08-14 Martin Buchholz
 //          - remove redundant casts
 //
-package jdk_internal.bidi.icu.impl;
+package jdk_internal.icu.impl;
 
 import java.text.ParseException;
 
-import jdk_internal.bidi.icu.lang.UCharacter;
-import jdk_internal.bidi.icu.text.UTF16;
+import jdk_internal.icu.lang.UCharacter;
+import jdk_internal.icu.text.UTF16;
 
 /**
  * Ported code from ICU punycode.c

sources/main/java/jdk_internal/icu/impl/ReplaceableUCharacterIterator.java

@@ -35,11 +35,11 @@
  *******************************************************************************
  */
 
-package jdk_internal.bidi.icu.impl;
+package jdk_internal.icu.impl;
 
-import jdk_internal.bidi.icu.text.Replaceable;
-import jdk_internal.bidi.icu.text.ReplaceableString;
-import jdk_internal.bidi.icu.text.UCharacterIterator;
+import jdk_internal.icu.text.Replaceable;
+import jdk_internal.icu.text.ReplaceableString;
+import jdk_internal.icu.text.UCharacterIterator;
 
 /**
  * DLF docs must define behavior when Replaceable is mutated underneath the

sources/main/java/jdk_internal/icu/impl/StringPrepDataReader.java

@@ -39,7 +39,7 @@
 //          - copy this file from icu4jsrc_3_2/src/com/ibm/icu/impl/StringPrepDataReader.java
 //          - move from package com.ibm.icu.impl to package sun.net.idn
 //
-package jdk_internal.bidi.icu.impl;
+package jdk_internal.icu.impl;
 
 import java.io.DataInputStream;
 import java.io.IOException;

sources/main/java/jdk_internal/icu/impl/Trie.java

@@ -30,13 +30,13 @@
  ******************************************************************************
  */
 
-package jdk_internal.bidi.icu.impl;
+package jdk_internal.icu.impl;
 
 import java.io.DataInputStream;
 import java.io.InputStream;
 
-import jdk_internal.bidi.icu.lang.UCharacter;
-import jdk_internal.bidi.icu.text.UTF16;
+import jdk_internal.icu.lang.UCharacter;
+import jdk_internal.icu.text.UTF16;
 
 import java.io.IOException;
 

sources/main/java/jdk_internal/icu/impl/Trie2.java

@@ -30,7 +30,7 @@
  *******************************************************************************
  */
 
-package jdk_internal.bidi.icu.impl;
+package jdk_internal.icu.impl;
 
 import java.io.IOException;
 import java.nio.ByteBuffer;

sources/main/java/jdk_internal/icu/impl/Trie2_16.java

@@ -30,7 +30,7 @@
  *******************************************************************************
  */
 
-package jdk_internal.bidi.icu.impl;
+package jdk_internal.icu.impl;
 
 import java.io.IOException;
 import java.nio.ByteBuffer;

sources/main/java/jdk_internal/icu/impl/UBiDiProps.java

@@ -41,11 +41,12 @@
  *   Java port of ubidi_props.h/.c.
  */
 
-package jdk_internal.bidi.icu.impl;
+package jdk_internal.icu.impl;
 
 import java.io.IOException;
 import java.nio.ByteBuffer;
-import jdk_internal.bidi.icu.lang.UCharacter;
+
+import jdk_internal.icu.lang.UCharacter;
 
 public final class UBiDiProps {
 	// constructors etc. --------------------------------------------------- ***

sources/main/java/jdk_internal/icu/impl/UCharacterProperty.java

@@ -29,17 +29,17 @@
  *******************************************************************************
  */
 
-package jdk_internal.bidi.icu.impl;
+package jdk_internal.icu.impl;
 
 import java.io.IOException;
 import java.nio.ByteBuffer;
 import java.util.Iterator;
 
-import jdk_internal.bidi.icu.lang.UCharacter.HangulSyllableType;
-import jdk_internal.bidi.icu.lang.UCharacter.NumericType;
-import jdk_internal.bidi.icu.text.UTF16;
-import jdk_internal.bidi.icu.text.UnicodeSet;
-import jdk_internal.bidi.icu.util.VersionInfo;
+import jdk_internal.icu.lang.UCharacter.HangulSyllableType;
+import jdk_internal.icu.lang.UCharacter.NumericType;
+import jdk_internal.icu.text.UTF16;
+import jdk_internal.icu.text.UnicodeSet;
+import jdk_internal.icu.util.VersionInfo;
 
 /**
  * <p>

sources/main/java/jdk_internal/icu/impl/UnicodeSetStringSpan.java

@@ -32,14 +32,14 @@
  ******************************************************************************
  */
 
-package jdk_internal.bidi.icu.impl;
+package jdk_internal.icu.impl;
 
 import java.util.ArrayList;
 
-import jdk_internal.bidi.icu.text.UTF16;
-import jdk_internal.bidi.icu.text.UnicodeSet;
-import jdk_internal.bidi.icu.text.UnicodeSet.SpanCondition;
-import jdk_internal.bidi.icu.util.OutputInt;
+import jdk_internal.icu.text.UTF16;
+import jdk_internal.icu.text.UnicodeSet;
+import jdk_internal.icu.text.UnicodeSet.SpanCondition;
+import jdk_internal.icu.util.OutputInt;
 
 /*
  * Implement span() etc. for a set with strings.

sources/main/java/jdk_internal/icu/impl/Utility.java

@@ -29,13 +29,13 @@
  *******************************************************************************
  */
 
-package jdk_internal.bidi.icu.impl;
+package jdk_internal.icu.impl;
 
 import java.io.IOException;
 import java.util.Locale;
 
-import jdk_internal.bidi.icu.lang.UCharacter;
-import jdk_internal.bidi.icu.text.UTF16;
+import jdk_internal.icu.lang.UCharacter;
+import jdk_internal.icu.text.UTF16;
 
 public final class Utility {
 

sources/main/java/jdk_internal/icu/lang/UCharacter.java

@@ -30,13 +30,13 @@
 *******************************************************************************
 */
 
-package jdk_internal.bidi.icu.lang;
+package jdk_internal.icu.lang;
 
-import jdk_internal.bidi.icu.impl.UBiDiProps;
-import jdk_internal.bidi.icu.impl.UCharacterProperty;
-import jdk_internal.bidi.icu.text.Normalizer2;
-import jdk_internal.bidi.icu.text.UTF16;
-import jdk_internal.bidi.icu.util.VersionInfo;
+import jdk_internal.icu.impl.UBiDiProps;
+import jdk_internal.icu.impl.UCharacterProperty;
+import jdk_internal.icu.text.Normalizer2;
+import jdk_internal.icu.text.UTF16;
+import jdk_internal.icu.util.VersionInfo;
 
 /**
  * <p>

sources/main/java/jdk_internal/icu/lang/UCharacterDirection.java

@@ -35,7 +35,7 @@
 //          - move from package com.ibm.icu.lang to package sun.net.idn
 //
 
-package jdk_internal.bidi.icu.lang;
+package jdk_internal.icu.lang;
 
 /**
  * Enumerated Unicode character linguistic direction constants. Used as return

sources/main/java/jdk_internal/icu/lang/UCharacterEnums.java

@@ -51,7 +51,7 @@
 //              DIRECTIONALITY_BOUNDARY_NEUTRAL, DIRECTIONALITY_UNDEFINED
 //
 
-package jdk_internal.bidi.icu.lang;
+package jdk_internal.icu.lang;
 
 /**
  * A container for the different 'enumerated types' used by UCharacter.

sources/main/java/jdk_internal/icu/text/BidiBase.java

@@ -46,7 +46,7 @@
  * fallbacks for unsupported combinations.
  */
 
-package jdk_internal.bidi.icu.text;
+package jdk_internal.icu.text;
 
 import java.lang.reflect.Array;
 import java.util.Arrays;
@@ -55,8 +55,8 @@ import jdk_internal.bidi.AttributedCharacterIterator;
 import jdk_internal.bidi.Bidi;
 import jdk_internal.bidi.NumericShaper;
 import jdk_internal.bidi.TextAttribute;
-import jdk_internal.bidi.icu.impl.UBiDiProps;
-import jdk_internal.bidi.icu.lang.UCharacter;
+import jdk_internal.icu.impl.UBiDiProps;
+import jdk_internal.icu.lang.UCharacter;
 
 /**
  *

sources/main/java/jdk_internal/icu/text/BidiLine.java

@@ -33,7 +33,7 @@
  * (ported from C code written by Markus W. Scherer)
  */
 
-package jdk_internal.bidi.icu.text;
+package jdk_internal.icu.text;
 
 import java.util.Arrays;
 

sources/main/java/jdk_internal/icu/text/BidiRun.java

@@ -37,7 +37,7 @@
  * (ported from C code written by Markus W. Scherer)
  */
 
-package jdk_internal.bidi.icu.text;
+package jdk_internal.icu.text;
 
 /**
  * A BidiRun represents a sequence of characters at the same embedding level.

sources/main/java/jdk_internal/icu/text/BidiWriter.java

@@ -33,9 +33,9 @@
  * (ported from C code written by Markus W. Scherer)
  */
 
-package jdk_internal.bidi.icu.text;
+package jdk_internal.icu.text;
 
-import jdk_internal.bidi.icu.lang.UCharacter;
+import jdk_internal.icu.lang.UCharacter;
 
 final class BidiWriter {
 

sources/main/java/jdk_internal/icu/text/FilteredNormalizer2.java

@@ -29,7 +29,7 @@
 *   Corporation and others.  All Rights Reserved.
 *******************************************************************************
 */
-package jdk_internal.bidi.icu.text;
+package jdk_internal.icu.text;
 
 import java.io.IOException;
 

sources/main/java/jdk_internal/icu/text/Normalizer2.java

@@ -30,9 +30,9 @@
  *******************************************************************************
  */
 
-package jdk_internal.bidi.icu.text;
+package jdk_internal.icu.text;
 
-import jdk_internal.bidi.icu.impl.Norm2AllModes;
+import jdk_internal.icu.impl.Norm2AllModes;
 
 /**
  * Unicode normalization functionality for standard Unicode normalization or for

sources/main/java/jdk_internal/icu/text/NormalizerBase.java

@@ -29,11 +29,11 @@
  * others. All Rights Reserved.
  *******************************************************************************
  */
-package jdk_internal.bidi.icu.text;
+package jdk_internal.icu.text;
 
 import jdk_internal.bidi.CharacterIterator;
 import jdk_internal.bidi.Normalizer;
-import jdk_internal.bidi.icu.impl.Norm2AllModes;
+import jdk_internal.icu.impl.Norm2AllModes;
 
 /**
  * Unicode Normalization

sources/main/java/jdk_internal/icu/text/Replaceable.java

@@ -35,7 +35,7 @@
  *******************************************************************************
  */
 
-package jdk_internal.bidi.icu.text;
+package jdk_internal.icu.text;
 
 /**
  * <code>Replaceable</code> is an interface representing a string of characters

sources/main/java/jdk_internal/icu/text/ReplaceableString.java

@@ -30,7 +30,7 @@
  *******************************************************************************
  */
 
-package jdk_internal.bidi.icu.text;
+package jdk_internal.icu.text;
 
 /**
  * <code>ReplaceableString</code> is an adapter class that implements the

sources/main/java/jdk_internal/icu/text/StringPrep.java

@@ -40,7 +40,7 @@
 //      2007-08-14 Martin Buchholz
 //          - remove redundant casts
 //
-package jdk_internal.bidi.icu.text;
+package jdk_internal.icu.text;
 
 import java.io.BufferedInputStream;
 import java.io.ByteArrayInputStream;
@@ -50,12 +50,12 @@ import java.io.InputStream;
 import jdk_internal.bidi.Normalizer;
 import jdk_internal.bidi.ParseException;
 import jdk_internal.bidi.SunNormalizer;
-import jdk_internal.bidi.icu.impl.CharTrie;
-import jdk_internal.bidi.icu.impl.StringPrepDataReader;
-import jdk_internal.bidi.icu.impl.Trie;
-import jdk_internal.bidi.icu.lang.UCharacter;
-import jdk_internal.bidi.icu.lang.UCharacterDirection;
-import jdk_internal.bidi.icu.util.VersionInfo;
+import jdk_internal.icu.impl.CharTrie;
+import jdk_internal.icu.impl.StringPrepDataReader;
+import jdk_internal.icu.impl.Trie;
+import jdk_internal.icu.lang.UCharacter;
+import jdk_internal.icu.lang.UCharacterDirection;
+import jdk_internal.icu.util.VersionInfo;
 
 /**
  * StringPrep API implements the StingPrep framework as described by

sources/main/java/jdk_internal/icu/text/UCharacterIterator.java

@@ -30,12 +30,12 @@
  *******************************************************************************
  */
 
-package jdk_internal.bidi.icu.text;
+package jdk_internal.icu.text;
 
 import jdk_internal.bidi.CharacterIterator;
-import jdk_internal.bidi.icu.impl.CharacterIteratorWrapper;
-import jdk_internal.bidi.icu.impl.ReplaceableUCharacterIterator;
-import jdk_internal.bidi.icu.impl.UCharacterProperty;
+import jdk_internal.icu.impl.CharacterIteratorWrapper;
+import jdk_internal.icu.impl.ReplaceableUCharacterIterator;
+import jdk_internal.icu.impl.UCharacterProperty;
 
 /**
  * Abstract class that defines an API for iteration on text objects.This is an

sources/main/java/jdk_internal/icu/text/UTF16.java

@@ -29,9 +29,9 @@
  *******************************************************************************
  */
 
-package jdk_internal.bidi.icu.text;
+package jdk_internal.icu.text;
 
-import jdk_internal.bidi.icu.impl.UCharacterProperty;
+import jdk_internal.icu.impl.UCharacterProperty;
 
 /**
  * <p>

sources/main/java/jdk_internal/icu/text/UnicodeSet.java

@@ -29,19 +29,19 @@
  * others. All Rights Reserved.
  *******************************************************************************
  */
-package jdk_internal.bidi.icu.text;
+package jdk_internal.icu.text;
 
 import java.text.ParsePosition;
 import java.util.ArrayList;
 import java.util.TreeSet;
 
-import jdk_internal.bidi.icu.impl.BMPSet;
-import jdk_internal.bidi.icu.impl.UCharacterProperty;
-import jdk_internal.bidi.icu.impl.UnicodeSetStringSpan;
-import jdk_internal.bidi.icu.impl.Utility;
-import jdk_internal.bidi.icu.lang.UCharacter;
-import jdk_internal.bidi.icu.util.OutputInt;
-import jdk_internal.bidi.icu.util.VersionInfo;
+import jdk_internal.icu.impl.BMPSet;
+import jdk_internal.icu.impl.UCharacterProperty;
+import jdk_internal.icu.impl.UnicodeSetStringSpan;
+import jdk_internal.icu.impl.Utility;
+import jdk_internal.icu.lang.UCharacter;
+import jdk_internal.icu.util.OutputInt;
+import jdk_internal.icu.util.VersionInfo;
 
 /**
  * A mutable set of Unicode characters and multicharacter strings. Objects of

sources/main/java/jdk_internal/icu/util/CodePointMap.java

@@ -27,7 +27,7 @@
 
 // created: 2018may10 Markus W. Scherer
 
-package jdk_internal.bidi.icu.util;
+package jdk_internal.icu.util;
 
 import java.util.Iterator;
 import java.util.NoSuchElementException;

sources/main/java/jdk_internal/icu/util/CodePointTrie.java

@@ -27,9 +27,9 @@
 
 // created: 2018may04 Markus W. Scherer
 
-package jdk_internal.bidi.icu.util;
+package jdk_internal.icu.util;
 
-import static jdk_internal.bidi.icu.impl.NormalizerImpl.UTF16Plus;
+import static jdk_internal.icu.impl.NormalizerImpl.UTF16Plus;
 
 import java.io.DataOutputStream;
 import java.io.IOException;
@@ -38,7 +38,7 @@ import java.io.OutputStream;
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
 
-import jdk_internal.bidi.icu.impl.ICUBinary;
+import jdk_internal.icu.impl.ICUBinary;
 
 /**
  * Immutable Unicode code point trie. Fast, reasonably compact, map from Unicode

sources/main/java/jdk_internal/icu/util/OutputInt.java

@@ -29,7 +29,7 @@
  * others. All Rights Reserved.
  *******************************************************************************
  */
-package jdk_internal.bidi.icu.util;
+package jdk_internal.icu.util;
 
 /**
  * Simple struct-like class for int output parameters. Like

sources/main/java/jdk_internal/icu/util/VersionInfo.java

@@ -34,7 +34,7 @@
  *******************************************************************************
  */
 
-package jdk_internal.bidi.icu.util;
+package jdk_internal.icu.util;
 
 import java.util.HashMap;
 

sources/main/java/net/lax1dude/eaglercraft/v1_8/EaglerProperties.java

@@ -0,0 +1,326 @@
+/*
+ * Copyright (c) 1995, 2013, Oracle and/or its affiliates. All rights reserved.
+ * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ */
+
+package net.lax1dude.eaglercraft.v1_8;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.Reader;
+import java.util.Properties;
+
+public class EaglerProperties extends Properties {
+
+	public void load(Reader reader) throws IOException {
+		load0(new LineReader(reader));
+	}
+
+	public void load(InputStream inStream) throws IOException {
+		load0(new LineReader(inStream));
+	}
+
+	private void load0(LineReader lr) throws IOException {
+		StringBuilder outBuffer = new StringBuilder();
+		int limit;
+		int keyLen;
+		int valueStart;
+		boolean hasSep;
+		boolean precedingBackslash;
+		boolean first = true;
+
+		while ((limit = lr.readLine()) >= 0) {
+			keyLen = 0;
+			valueStart = limit;
+			hasSep = false;
+			if(first && limit > 0) {
+				if(lr.lineBuf[0] == 65279) {
+					keyLen = 1;
+				}
+			}
+			first = false;
+
+			// System.out.println("line=<" + new String(lineBuf, 0, limit) + ">");
+			precedingBackslash = false;
+			while (keyLen < limit) {
+				char c = lr.lineBuf[keyLen];
+				// need check if escaped.
+				if ((c == '=' || c == ':') && !precedingBackslash) {
+					valueStart = keyLen + 1;
+					hasSep = true;
+					break;
+				} else if ((c == ' ' || c == '\t' || c == '\f') && !precedingBackslash) {
+					valueStart = keyLen + 1;
+					break;
+				}
+				if (c == '\\') {
+					precedingBackslash = !precedingBackslash;
+				} else {
+					precedingBackslash = false;
+				}
+				keyLen++;
+			}
+			while (valueStart < limit) {
+				char c = lr.lineBuf[valueStart];
+				if (c != ' ' && c != '\t' && c != '\f') {
+					if (!hasSep && (c == '=' || c == ':')) {
+						hasSep = true;
+					} else {
+						break;
+					}
+				}
+				valueStart++;
+			}
+			String key = loadConvert(lr.lineBuf, 0, keyLen, outBuffer);
+			String value = loadConvert(lr.lineBuf, valueStart, limit - valueStart, outBuffer);
+			put(key, value);
+		}
+	}
+
+	/*
+	 * Read in a "logical line" from an InputStream/Reader, skip all comment and
+	 * blank lines and filter out those leading whitespace characters (\u0020,
+	 * \u0009 and \u000c) from the beginning of a "natural line". Method returns the
+	 * char length of the "logical line" and stores the line in "lineBuf".
+	 */
+	private static class LineReader {
+		LineReader(InputStream inStream) {
+			this.inStream = inStream;
+			inByteBuf = new byte[8192];
+		}
+
+		LineReader(Reader reader) {
+			this.reader = reader;
+			inCharBuf = new char[8192];
+		}
+
+		char[] lineBuf = new char[1024];
+		private byte[] inByteBuf;
+		private char[] inCharBuf;
+		private int inLimit = 0;
+		private int inOff = 0;
+		private InputStream inStream;
+		private Reader reader;
+
+		int readLine() throws IOException {
+			// use locals to optimize for interpreted performance
+			int len = 0;
+			int off = inOff;
+			int limit = inLimit;
+
+			boolean skipWhiteSpace = true;
+			boolean appendedLineBegin = false;
+			boolean precedingBackslash = false;
+			boolean fromStream = inStream != null;
+			byte[] byteBuf = inByteBuf;
+			char[] charBuf = inCharBuf;
+			char[] lineBuf = this.lineBuf;
+			char c;
+
+			while (true) {
+				if (off >= limit) {
+					inLimit = limit = fromStream ? inStream.read(byteBuf) : reader.read(charBuf);
+					if (limit <= 0) {
+						if (len == 0) {
+							return -1;
+						}
+						return precedingBackslash ? len - 1 : len;
+					}
+					off = 0;
+				}
+
+				// (char)(byte & 0xFF) is equivalent to calling a ISO8859-1 decoder.
+				c = (fromStream) ? (char) (byteBuf[off++] & 0xFF) : charBuf[off++];
+
+				if (skipWhiteSpace) {
+					if (c == ' ' || c == '\t' || c == '\f') {
+						continue;
+					}
+					if (!appendedLineBegin && (c == '\r' || c == '\n')) {
+						continue;
+					}
+					skipWhiteSpace = false;
+					appendedLineBegin = false;
+
+				}
+				if (len == 0) { // Still on a new logical line
+					if (c == '#' || c == '!') {
+						// Comment, quickly consume the rest of the line
+
+						// When checking for new line characters a range check,
+						// starting with the higher bound ('\r') means one less
+						// branch in the common case.
+						commentLoop: while (true) {
+							if (fromStream) {
+								byte b;
+								while (off < limit) {
+									b = byteBuf[off++];
+									if (b <= '\r' && (b == '\r' || b == '\n'))
+										break commentLoop;
+								}
+								if (off == limit) {
+									inLimit = limit = inStream.read(byteBuf);
+									if (limit <= 0) { // EOF
+										return -1;
+									}
+									off = 0;
+								}
+							} else {
+								while (off < limit) {
+									c = charBuf[off++];
+									if (c <= '\r' && (c == '\r' || c == '\n'))
+										break commentLoop;
+								}
+								if (off == limit) {
+									inLimit = limit = reader.read(charBuf);
+									if (limit <= 0) { // EOF
+										return -1;
+									}
+									off = 0;
+								}
+							}
+						}
+						skipWhiteSpace = true;
+						continue;
+					}
+				}
+
+				if (c != '\n' && c != '\r') {
+					lineBuf[len++] = c;
+					if (len == lineBuf.length) {
+						lineBuf = new char[len + (len << 1)];
+						System.arraycopy(this.lineBuf, 0, lineBuf, 0, len);
+						this.lineBuf = lineBuf;
+					}
+					// flip the preceding backslash flag
+					precedingBackslash = (c == '\\') ? !precedingBackslash : false;
+				} else {
+					// reached EOL
+					if (len == 0) {
+						skipWhiteSpace = true;
+						continue;
+					}
+					if (off >= limit) {
+						inLimit = limit = fromStream ? inStream.read(byteBuf) : reader.read(charBuf);
+						off = 0;
+						if (limit <= 0) { // EOF
+							return precedingBackslash ? len - 1 : len;
+						}
+					}
+					if (precedingBackslash) {
+						// backslash at EOL is not part of the line
+						len -= 1;
+						// skip leading whitespace characters in the following line
+						skipWhiteSpace = true;
+						appendedLineBegin = true;
+						precedingBackslash = false;
+						// take care not to include any subsequent \n
+						if (c == '\r') {
+							if (fromStream) {
+								if (byteBuf[off] == '\n') {
+									off++;
+								}
+							} else {
+								if (charBuf[off] == '\n') {
+									off++;
+								}
+							}
+						}
+					} else {
+						inOff = off;
+						return len;
+					}
+				}
+			}
+		}
+	}
+
+	/*
+	 * Converts encoded &#92;uxxxx to unicode chars and changes special saved chars
+	 * to their original forms
+	 */
+	private String loadConvert(char[] in, int off, int len, StringBuilder out) {
+		char aChar;
+		int end = off + len;
+		int start = off;
+		while (off < end) {
+			aChar = in[off++];
+			if (aChar == '\\') {
+				break;
+			}
+		}
+		if (off == end) { // No backslash
+			return new String(in, start, len);
+		}
+
+		// backslash found at off - 1, reset the shared buffer, rewind offset
+		out.setLength(0);
+		off--;
+		out.append(in, start, off - start);
+
+		while (off < end) {
+			aChar = in[off++];
+			if (aChar == '\\') {
+				// No need to bounds check since LineReader::readLine excludes
+				// unescaped \s at the end of the line
+				aChar = in[off++];
+				if (aChar == 'u') {
+					// Read the xxxx
+					if (off > end - 4)
+						throw new IllegalArgumentException("Malformed \\uxxxx encoding.");
+					int value = 0;
+					for (int i = 0; i < 4; i++) {
+						aChar = in[off++];
+						switch (aChar) {
+						case '0':
+						case '1':
+						case '2':
+						case '3':
+						case '4':
+						case '5':
+						case '6':
+						case '7':
+						case '8':
+						case '9':
+							value = (value << 4) + aChar - '0';
+							break;
+						case 'a':
+						case 'b':
+						case 'c':
+						case 'd':
+						case 'e':
+						case 'f':
+							value = (value << 4) + 10 + aChar - 'a';
+							break;
+						case 'A':
+						case 'B':
+						case 'C':
+						case 'D':
+						case 'E':
+						case 'F':
+							value = (value << 4) + 10 + aChar - 'A';
+							break;
+						default:
+							throw new IllegalArgumentException("Malformed \\uxxxx encoding.");
+						};
+					}
+					out.append((char) value);
+				} else {
+					if (aChar == 't')
+						aChar = '\t';
+					else if (aChar == 'r')
+						aChar = '\r';
+					else if (aChar == 'n')
+						aChar = '\n';
+					else if (aChar == 'f')
+						aChar = '\f';
+					out.append(aChar);
+				}
+			} else {
+				out.append(aChar);
+			}
+		}
+		return out.toString();
+	}
+
+}

sources/main/java/net/lax1dude/eaglercraft/v1_8/EaglercraftVersion.java

@@ -10,7 +10,7 @@ public class EaglercraftVersion {
 	/// Customize these to fit your fork:
 	
 	public static final String projectForkName = "EaglercraftX";
-	public static final String projectForkVersion = "u47";
+	public static final String projectForkVersion = "u48";
 	public static final String projectForkVendor = "lax1dude";
 	
 	public static final String projectForkURL = "https://gitlab.com/lax1dude/eaglercraftx-1.8";
@@ -20,20 +20,20 @@ public class EaglercraftVersion {
 	public static final String projectOriginName = "EaglercraftX";
 	public static final String projectOriginAuthor = "lax1dude";
 	public static final String projectOriginRevision = "1.8";
-	public static final String projectOriginVersion = "u47";
+	public static final String projectOriginVersion = "u48";
 	
 	public static final String projectOriginURL = "https://gitlab.com/lax1dude/eaglercraftx-1.8"; // rest in peace
 	
 	// EPK Version Identifier
 	
-	public static final String EPKVersionIdentifier = "u47"; // Set to null to disable EPK version check
+	public static final String EPKVersionIdentifier = "u48"; // Set to null to disable EPK version check
 	
 	// Updating configuration
 	
 	public static final boolean enableUpdateService = true;
 
 	public static final String updateBundlePackageName = "net.lax1dude.eaglercraft.v1_8.client";
-	public static final int updateBundlePackageVersionInt = 47;
+	public static final int updateBundlePackageVersionInt = 48;
 
 	public static final String updateLatestLocalStorageKey = "latestUpdate_" + updateBundlePackageName;
 

sources/main/java/net/lax1dude/eaglercraft/v1_8/IOUtils.java

@@ -6,6 +6,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
@@ -64,7 +65,12 @@ public class IOUtils {
 				while((s = rd.readLine()) != null) {
 					b.append(s).append('\n');
 				}
-				return b.toString();
+				// Handle BOM
+				if(c == StandardCharsets.UTF_8 && b.length() > 0 && b.charAt(0) == 65279) {
+					return b.substring(1, b.length());
+				}else {
+					return b.toString();
+				}
 			}finally {
 				is.close();
 			}

sources/main/java/net/lax1dude/eaglercraft/v1_8/internal/ITextureGL.java

@@ -17,4 +17,10 @@ package net.lax1dude.eaglercraft.v1_8.internal;
  */
 public interface ITextureGL extends IObjectGL {
 
+	void setCacheSize(int w, int h);
+
+	int getWidth();
+
+	int getHeight();
+
 }

sources/main/java/net/lax1dude/eaglercraft/v1_8/minecraft/EaglerFolderResourcePack.java

@@ -3,6 +3,7 @@ package net.lax1dude.eaglercraft.v1_8.minecraft;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.List;
@@ -19,6 +20,7 @@ import com.google.common.collect.Lists;
 import com.google.common.collect.Sets;
 
 import net.lax1dude.eaglercraft.v1_8.ArrayUtils;
+import net.lax1dude.eaglercraft.v1_8.EagRuntime;
 import net.lax1dude.eaglercraft.v1_8.EaglerInputStream;
 import net.lax1dude.eaglercraft.v1_8.crypto.SHA1Digest;
 import net.lax1dude.eaglercraft.v1_8.internal.PlatformRuntime;
@@ -28,7 +30,7 @@ import net.lax1dude.eaglercraft.v1_8.log4j.Logger;
 import net.minecraft.client.resources.AbstractResourcePack;
 
 /**
- * Copyright (c) 2024 lax1dude. All Rights Reserved.
+ * Copyright (c) 2024-2025 lax1dude. All Rights Reserved.
  * 
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
@@ -70,6 +72,80 @@ public class EaglerFolderResourcePack extends AbstractResourcePack {
 		this.prefix = prefix;
 		this.domains = domains;
 		this.timestamp = timestamp;
+		this.resourceIndex = new ResourceIndex() {
+
+			@Override
+			protected Collection<String> getPropertiesFiles0() {
+				VFile2 file = new VFile2(prefix, resourcePackFile, "assets/minecraft/optifine/_property_files_index.json");
+				String str = file.getAllChars();
+				Collection<String> propertyFiles = null;
+				if(str != null) {
+					propertyFiles = loadPropertyFileList(str);
+					if(propertyFiles != null) {
+						return propertyFiles;
+					}
+				}
+				VFile2 mcDir = new VFile2(prefix, resourcePackFile, "assets/minecraft");
+				int pfxLen = mcDir.getPath().length() + 1;
+				List<String> philes = mcDir.listFilenames(true);
+				propertyFiles = new ArrayList<>();
+				JSONArray arr = new JSONArray();
+				for(int i = 0, l = philes.size(); i < l; ++i) {
+					String name = philes.get(i);
+					if(name.length() > pfxLen && name.endsWith(".properties")) {
+						name = name.substring(pfxLen);
+						propertyFiles.add(name);
+						arr.put(name);
+					}
+				}
+				JSONObject json = new JSONObject();
+				json.put("propertyFiles", arr);
+				file.setAllChars(json.toString());
+				return propertyFiles;
+			}
+
+			@Override
+			protected Collection<String> getCITPotionsFiles0() {
+				VFile2 file = new VFile2(prefix, resourcePackFile, "assets/minecraft/mcpatcher/cit/potion/_potions_files_index.json");
+				String str = file.getAllChars();
+				Collection<String> propertyFiles = null;
+				if(str != null) {
+					propertyFiles = loadPotionsFileList(str);
+					if(propertyFiles != null) {
+						return propertyFiles;
+					}
+				}
+				VFile2 mcDir = new VFile2(prefix, resourcePackFile, "assets/minecraft/mcpatcher/cit/potion");
+				int pfxLen = mcDir.getPath().length() - 20;
+				List<String> philes = mcDir.listFilenames(true);
+				propertyFiles = new ArrayList<>();
+				JSONArray arr = new JSONArray();
+				for(int i = 0, l = philes.size(); i < l; ++i) {
+					String name = philes.get(i);
+					if(name.length() > pfxLen && name.endsWith(".png")) {
+						name = name.substring(pfxLen);
+						propertyFiles.add(name);
+						arr.put(name);
+					}
+				}
+				mcDir = new VFile2(prefix, resourcePackFile, "assets/minecraft/optifine/cit/potion");
+				pfxLen = mcDir.getPath().length() - 19;
+				philes = mcDir.listFilenames(true);
+				for(int i = 0, l = philes.size(); i < l; ++i) {
+					String name = philes.get(i);
+					if(name.length() > pfxLen && name.endsWith(".png")) {
+						name = name.substring(pfxLen);
+						propertyFiles.add(name);
+						arr.put(name);
+					}
+				}
+				JSONObject json = new JSONObject();
+				json.put("potionsFiles", arr);
+				file.setAllChars(json.toString());
+				return propertyFiles;
+			}
+
+		};
 	}
 
 	@Override
@@ -177,6 +253,8 @@ public class EaglerFolderResourcePack extends AbstractResourcePack {
 		}
 		
 		Set<String> domainsList = Sets.newHashSet();
+		JSONArray propertyFiles = new JSONArray();
+		JSONArray potionsFiles = new JSONArray();
 		String fn;
 		for(int i = 0, l = fileNames.size(); i < l; ++i) {
 			fn = fileNames.get(i);
@@ -184,7 +262,18 @@ public class EaglerFolderResourcePack extends AbstractResourcePack {
 				fn = fn.substring(prefixLen + 7);
 				int j = fn.indexOf('/');
 				if(j != -1) {
-					domainsList.add(fn.substring(0, j));
+					String dm = fn.substring(0, j);
+					domainsList.add(dm);
+					if("minecraft".equals(dm)) {
+						if(fn.endsWith(".properties")) {
+							propertyFiles.put(fn.substring(10));
+						}else if((fn.startsWith("minecraft/mcpatcher/cit/potion/")
+								|| fn.startsWith("minecraft/mcpatcher/cit/Potion/")) && fn.endsWith(".png")) {
+							potionsFiles.put(fn.substring(10));
+						}else if(fn.startsWith("minecraft/optifine/cit/potion/") && fn.endsWith(".png")) {
+							potionsFiles.put(fn.substring(10));
+						}
+					}
 				}
 			}
 		}
@@ -234,9 +323,19 @@ public class EaglerFolderResourcePack extends AbstractResourcePack {
 			}
 			throw ex;
 		}
-		
+
 		logger.info("Updating manifest...");
 		
+		JSONObject json = new JSONObject();
+		json.put("propertyFiles", propertyFiles);
+		(new VFile2(prefix, folderName, "assets/minecraft/optifine/_property_files_index.json"))
+				.setAllChars(json.toString());
+		
+		json = new JSONObject();
+		json.put("potionsFiles", propertyFiles);
+		(new VFile2(prefix, folderName, "assets/minecraft/mcpatcher/cit/potion/_potions_files_index.json"))
+				.setAllChars(json.toString());
+		
 		VFile2 manifestFile = new VFile2(prefix, "manifest.json");
 		String str = manifestFile.getAllChars();
 		JSONArray arr = null;
@@ -363,4 +462,37 @@ public class EaglerFolderResourcePack extends AbstractResourcePack {
 			}
 		}
 	}
+
+	public static Collection<String> loadPropertyFileList(String str) {
+		try {
+			JSONObject json = new JSONObject(str);
+			JSONArray arr = json.getJSONArray("propertyFiles");
+			int l = arr.length();
+			Collection<String> ret = new ArrayList<>(l);
+			for(int i = 0; i < l; ++i) {
+				ret.add(arr.getString(i));
+			}
+			return ret;
+		}catch(JSONException ex) {
+			EagRuntime.debugPrintStackTrace(ex);
+			return null;
+		}
+	}
+
+	public static Collection<String> loadPotionsFileList(String str) {
+		try {
+			JSONObject json = new JSONObject(str);
+			JSONArray arr = json.getJSONArray("potionsFiles");
+			int l = arr.length();
+			Collection<String> ret = new ArrayList<>(l);
+			for(int i = 0; i < l; ++i) {
+				ret.add(arr.getString(i));
+			}
+			return ret;
+		}catch(JSONException ex) {
+			EagRuntime.debugPrintStackTrace(ex);
+			return null;
+		}
+	}
+
 }

sources/main/java/net/lax1dude/eaglercraft/v1_8/minecraft/EaglerTextureAtlasSprite.java

@@ -8,10 +8,10 @@ import com.carrotsearch.hppc.cursors.IntCursor;
 import com.google.common.collect.Lists;
 
 import net.lax1dude.eaglercraft.v1_8.HString;
-import net.lax1dude.eaglercraft.v1_8.internal.IFramebufferGL;
 import net.lax1dude.eaglercraft.v1_8.log4j.LogManager;
 import net.lax1dude.eaglercraft.v1_8.log4j.Logger;
 import net.lax1dude.eaglercraft.v1_8.opengl.ImageData;
+import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.texture.TextureClock;
 import net.minecraft.client.renderer.texture.TextureCompass;
 import net.minecraft.client.renderer.texture.TextureUtil;
@@ -21,9 +21,10 @@ import net.minecraft.crash.CrashReport;
 import net.minecraft.crash.CrashReportCategory;
 import net.minecraft.util.ReportedException;
 import net.minecraft.util.ResourceLocation;
+import net.optifine.util.CounterInt;
 
 /**
- * Copyright (c) 2022 lax1dude. All Rights Reserved.
+ * Copyright (c) 2022-2025 lax1dude. All Rights Reserved.
  * 
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
@@ -56,11 +57,14 @@ public class EaglerTextureAtlasSprite {
 	protected float maxV;
 	protected int frameCounter;
 	protected int tickCounter;
+    private int indexInMap = -1;
 	protected static String locationNameClock = "builtin/clock";
 	protected static String locationNameCompass = "builtin/compass";
 
 	protected TextureAnimationCache animationCache = null;
 
+	public String optifineBaseTextureName = null;
+
 	public EaglerTextureAtlasSprite(String spriteName) {
 		this.iconName = spriteName;
 	}
@@ -101,6 +105,9 @@ public class EaglerTextureAtlasSprite {
 		this.maxU = atlasSpirit.maxU;
 		this.minV = atlasSpirit.minV;
 		this.maxV = atlasSpirit.maxV;
+		if (atlasSpirit != Minecraft.getMinecraft().getTextureMapBlocks().getMissingSprite()) {
+			this.indexInMap = atlasSpirit.indexInMap;
+		}
 	}
 
 	public int getOriginX() {
@@ -149,7 +156,13 @@ public class EaglerTextureAtlasSprite {
 		return this.iconName;
 	}
 
-	public void updateAnimation(IFramebufferGL[] copyColorFramebuffer) {
+	protected static interface IAnimCopyFunction {
+		void updateAnimation(int mapWidth, int mapHeight, int mapLevel);
+	}
+
+	protected IAnimCopyFunction currentAnimUpdater = null;
+
+	public void updateAnimation() {
 		if(animationCache == null) {
 			throw new IllegalStateException("Animation cache for '" + this.iconName + "' was never baked!");
 		}
@@ -162,7 +175,12 @@ public class EaglerTextureAtlasSprite {
 			this.tickCounter = 0;
 			int k = this.animationMetadata.getFrameIndex(this.frameCounter);
 			if (i != k && k >= 0 && k < this.framesTextureData.size()) {
-				animationCache.copyFrameLevelsToTex2D(k, this.originX, this.originY, this.width, this.height, copyColorFramebuffer);
+				currentAnimUpdater = (mapWidth, mapHeight, mapLevel) -> {
+					animationCache.copyFrameToTex2D(k, mapLevel, this.originX >> mapLevel, this.originY >> mapLevel,
+							this.width >> mapLevel, this.height >> mapLevel, mapWidth, mapHeight);
+				};
+			}else {
+				currentAnimUpdater = null;
 			}
 		} else if (this.animationMetadata.isInterpolate()) {
 			float f = 1.0f - (float) this.tickCounter / (float) this.animationMetadata.getFrameTimeSingle(this.frameCounter);
@@ -171,8 +189,22 @@ public class EaglerTextureAtlasSprite {
 					: this.animationMetadata.getFrameCount();
 			int k = this.animationMetadata.getFrameIndex((this.frameCounter + 1) % j);
 			if (i != k && k >= 0 && k < this.framesTextureData.size()) {
-				animationCache.copyInterpolatedFrameLevelsToTex2D(i, k, f, this.originX, this.originY, this.width, this.height, copyColorFramebuffer);
+				currentAnimUpdater = (mapWidth, mapHeight, mapLevel) -> {
+					animationCache.copyInterpolatedFrameToTex2D(i, k, f, mapLevel, this.originX >> mapLevel,
+							this.originY >> mapLevel, this.width >> mapLevel, this.height >> mapLevel, mapWidth,
+							mapHeight);
+				};
+			}else {
+				currentAnimUpdater = null;
 			}
+		} else {
+			currentAnimUpdater = null;
+		}
+	}
+
+	public void copyAnimationFrame(int mapWidth, int mapHeight, int mapLevel) {
+		if(currentAnimUpdater != null) {
+			currentAnimUpdater.updateAnimation(mapWidth, mapHeight, mapLevel);
 		}
 	}
 
@@ -367,7 +399,7 @@ public class EaglerTextureAtlasSprite {
 		}
 	}
 
-	public void updateAnimationPBR(IFramebufferGL[] copyColorFramebuffer, IFramebufferGL[] copyMaterialFramebuffer, int materialTexOffset) {
+	public void updateAnimationPBR() {
 		Throwable t = new UnsupportedOperationException("PBR is not enabled");
 		try {
 			throw t;
@@ -375,4 +407,37 @@ public class EaglerTextureAtlasSprite {
 			logger.error(t);
 		}
 	}
+
+	public void copyAnimationFramePBR(int pass, int width, int height, int level) {
+		Throwable t = new UnsupportedOperationException("PBR is not enabled");
+		try {
+			throw t;
+		}catch(Throwable tt) {
+			logger.error(t);
+		}
+	}
+
+	public int getIndexInMap() {
+		return this.indexInMap;
+	}
+
+	public void setIndexInMap(int p_setIndexInMap_1_) {
+		this.indexInMap = p_setIndexInMap_1_;
+	}
+
+	public void updateIndexInMap(CounterInt p_updateIndexInMap_1_) {
+		if (this.indexInMap < 0) {
+			this.indexInMap = p_updateIndexInMap_1_.nextValue();
+		}
+	}
+
+	public double getSpriteU16(float p_getSpriteU16_1_) {
+		float f = this.maxU - this.minU;
+		return (double) ((p_getSpriteU16_1_ - this.minU) / f * 16.0F);
+	}
+
+	public double getSpriteV16(float p_getSpriteV16_1_) {
+		float f = this.maxV - this.minV;
+		return (double) ((p_getSpriteV16_1_ - this.minV) / f * 16.0F);
+	}
 }

sources/main/java/net/lax1dude/eaglercraft/v1_8/minecraft/ResourceIndex.java

@@ -0,0 +1,43 @@
+package net.lax1dude.eaglercraft.v1_8.minecraft;
+
+import java.util.Collection;
+
+/**
+ * Copyright (c) 2025 lax1dude. All Rights Reserved.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+public abstract class ResourceIndex {
+
+	protected Collection<String> propertiesCache = null;
+	protected Collection<String> citPotionsCache = null;
+
+	public Collection<String> getPropertiesFiles() {
+		if(propertiesCache == null) {
+			propertiesCache = getPropertiesFiles0();
+		}
+		return propertiesCache;
+	}
+
+	protected abstract Collection<String> getPropertiesFiles0();
+
+	public Collection<String> getCITPotionsFiles() {
+		if(citPotionsCache == null) {
+			citPotionsCache = getCITPotionsFiles0();
+		}
+		return citPotionsCache;
+	}
+
+	protected abstract Collection<String> getCITPotionsFiles0();
+
+}

sources/main/java/net/lax1dude/eaglercraft/v1_8/minecraft/TextureAnimationCache.java

@@ -1,22 +1,19 @@
 package net.lax1dude.eaglercraft.v1_8.minecraft;
 
-import static net.lax1dude.eaglercraft.v1_8.internal.PlatformOpenGL.*;
 import static net.lax1dude.eaglercraft.v1_8.opengl.RealOpenGLEnums.*;
 
 import java.util.List;
 
 import net.lax1dude.eaglercraft.v1_8.EagRuntime;
-import net.lax1dude.eaglercraft.v1_8.internal.IFramebufferGL;
 import net.lax1dude.eaglercraft.v1_8.internal.buffer.IntBuffer;
 import net.lax1dude.eaglercraft.v1_8.opengl.EaglercraftGPU;
 import net.lax1dude.eaglercraft.v1_8.opengl.GlStateManager;
 import net.lax1dude.eaglercraft.v1_8.opengl.SpriteLevelMixer;
 import net.lax1dude.eaglercraft.v1_8.opengl.TextureCopyUtil;
-import net.lax1dude.eaglercraft.v1_8.vector.Matrix3f;
 import net.minecraft.client.renderer.GLAllocation;
 
 /**
- * Copyright (c) 2022 lax1dude. All Rights Reserved.
+ * Copyright (c) 2022-2025 lax1dude. All Rights Reserved.
  * 
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
@@ -40,8 +37,6 @@ public class TextureAnimationCache {
 
 	private int[] cacheTextures = null;
 
-	public static final int _GL_FRAMEBUFFER = 0x8D40;
-
 	public TextureAnimationCache(int width, int height, int mipLevels) {
 		this.width = width;
 		this.height = height;
@@ -105,76 +100,40 @@ public class TextureAnimationCache {
 		}
 	}
 
-	public void copyFrameLevelsToTex2D(int animationFrame, int dx, int dy, int w, int h, IFramebufferGL[] dstFramebuffers) {
-		copyFrameLevelsToTex2D(animationFrame, mipLevels, dx, dy, w, h, dstFramebuffers);
-	}
-
-	/**
-	 * WARNING: call <code>_wglBindFramebuffer(_GL_FRAMEBUFFER, null);</code> when complete
-	 */
-	public void copyFrameLevelsToTex2D(int animationFrame, int levels, int dx, int dy, int w, int h, IFramebufferGL[] dstFramebuffers) {
-		for(int i = 0; i < levels; ++i) {
-			_wglBindFramebuffer(_GL_FRAMEBUFFER, dstFramebuffers[i]);
-			copyFrameToTex2D(animationFrame, i, dx >> i, dy >> i, w >> i, h >> i);
-		}
-	}
-
-	public void copyFrameToTex2D(int animationFrame, int level, int dx, int dy, int w, int h) {
+	public void copyFrameToTex2D(int animationFrame, int level, int dx, int dy, int w, int h, int mapWidth, int mapHeight) {
 		if(cacheTextures == null) {
 			throw new IllegalStateException("Cannot copy from uninitialized TextureAnimationCache");
 		}
 		GlStateManager.disableBlend();
-		GlStateManager.disableAlpha();
 		GlStateManager.bindTexture(cacheTextures[level]);
 		TextureCopyUtil.srcSize(width >> level, (height >> level) * frameCount);
-		TextureCopyUtil.blitTextureUsingViewports(0, h * animationFrame, dx, dy, w, h);
-	}
-
-	public void copyInterpolatedFrameLevelsToTex2D(int animationFrameFrom, int animationFrameTo, float factor, int dx,
-			int dy, int w, int h, IFramebufferGL[] dstFramebuffers) {
-		copyInterpolatedFrameLevelsToTex2D(animationFrameFrom, animationFrameTo, factor, mipLevels, dx, dy, w, h, dstFramebuffers);
-	}
-
-	/**
-	 * WARNING: call <code>_wglBindFramebuffer(_GL_FRAMEBUFFER, null);</code> when complete
-	 */
-	public void copyInterpolatedFrameLevelsToTex2D(int animationFrameFrom, int animationFrameTo, float factor,
-			int levels, int dx, int dy, int w, int h, IFramebufferGL[] dstFramebuffers) {
-		for(int i = 0; i < levels; ++i) {
-			_wglBindFramebuffer(_GL_FRAMEBUFFER, dstFramebuffers[i]);
-			copyInterpolatedFrameToTex2D(animationFrameFrom, animationFrameTo, factor, i, dx >> i, dy >> i, w >> i, h >> i);
-		}
+		TextureCopyUtil.dstSize(mapWidth, mapHeight);
+		TextureCopyUtil.blitTexture(0, h * animationFrame, dx, dy, w, h);
 	}
 
 	public void copyInterpolatedFrameToTex2D(int animationFrameFrom, int animationFrameTo, float factor, int level,
-			int dx, int dy, int w, int h) {
+			int dx, int dy, int w, int h, int mapWidth, int mapHeight) {
 		if(cacheTextures == null) {
 			throw new IllegalStateException("Cannot copy from uninitialized TextureAnimationCache");
 		}
 		
-		GlStateManager.viewport(dx, dy, w, h);
 		GlStateManager.bindTexture(cacheTextures[level]);
 		GlStateManager.disableBlend();
 		
-		Matrix3f matrix = new Matrix3f();
-		matrix.m11 = 1.0f / frameCount;
-		matrix.m21 = matrix.m11 * animationFrameFrom;
-		
-		SpriteLevelMixer.setMatrix3f(matrix);
+		SpriteLevelMixer.srcSize(width >> level, (height >> level) * frameCount);
+		SpriteLevelMixer.dstSize(mapWidth, mapHeight);
 		SpriteLevelMixer.setBlendColor(factor, factor, factor, factor);
 		SpriteLevelMixer.setBiasColor(0.0f, 0.0f, 0.0f, 0.0f);
 		
-		SpriteLevelMixer.drawSprite(0);
+		SpriteLevelMixer.drawSprite(0, 0, h * animationFrameFrom, w, h, dx, dy, w, h);
 		
-		matrix.m21 = matrix.m11 * animationFrameTo;
-		SpriteLevelMixer.setMatrix3f(matrix);
 		float fac1 = 1.0f - factor;
 		SpriteLevelMixer.setBlendColor(fac1, fac1, fac1, fac1);
 		
 		GlStateManager.enableBlend();
 		GlStateManager.blendFunc(GL_ONE, GL_ONE);
 		
-		SpriteLevelMixer.drawSprite(0);
+		SpriteLevelMixer.drawSprite(0, 0, h * animationFrameTo, w, h, dx, dy, w, h);
 		
 		GlStateManager.disableBlend();
 		GlStateManager.blendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

sources/main/java/net/lax1dude/eaglercraft/v1_8/opengl/EaglercraftGPU.java

@@ -246,6 +246,7 @@ public class EaglercraftGPU {
 
 	public static final void glTexImage2D(int target, int level, int internalFormat, int w, int h, int unused,
 			int format, int type, ByteBuffer pixels) {
+		GlStateManager.setTextureCachedSize(target, w, h);
 		if(glesVers >= 300) {
 			_wglTexImage2D(target, level, internalFormat, w, h, unused, format, type, pixels);
 		}else {
@@ -256,6 +257,7 @@ public class EaglercraftGPU {
 
 	public static final void glTexImage2D(int target, int level, int internalFormat, int w, int h, int unused,
 			int format, int type, IntBuffer pixels) {
+		GlStateManager.setTextureCachedSize(target, w, h);
 		if(glesVers >= 300) {
 			_wglTexImage2D(target, level, internalFormat, w, h, unused, format, type, pixels);
 		}else {
@@ -270,6 +272,7 @@ public class EaglercraftGPU {
 	}
 
 	public static final void glTexStorage2D(int target, int levels, int internalFormat, int w, int h) {
+		GlStateManager.setTextureCachedSize(target, w, h);
 		if(texStorageCapable && (glesVers >= 300 || levels == 1 || (MathHelper.calculateLogBaseTwo(Math.max(w, h)) + 1) == levels)) {
 			_wglTexStorage2D(target, levels, internalFormat, w, h);
 		}else {
@@ -914,7 +917,6 @@ public class EaglercraftGPU {
 		PlatformOpenGL.enterVAOEmulationHook();
 		GLSLHeader.init();
 		DrawUtils.init();
-		SpriteLevelMixer.initialize();
 		if(instancingCapable) {
 			InstancedFontRenderer.initialize();
 			InstancedParticleRenderer.initialize();
@@ -928,7 +930,6 @@ public class EaglercraftGPU {
 	public static final void destroyCache() {
 		GLSLHeader.destroy();
 		DrawUtils.destroy();
-		SpriteLevelMixer.destroy();
 		InstancedFontRenderer.destroy();
 		InstancedParticleRenderer.destroy();
 		EffectPipelineFXAA.destroy();

sources/main/java/net/lax1dude/eaglercraft/v1_8/opengl/GlStateManager.java

@@ -1,11 +1,13 @@
 package net.lax1dude.eaglercraft.v1_8.opengl;
 
+import net.lax1dude.eaglercraft.v1_8.internal.ITextureGL;
 import net.lax1dude.eaglercraft.v1_8.internal.buffer.FloatBuffer;
 import net.lax1dude.eaglercraft.v1_8.log4j.LogManager;
 import net.lax1dude.eaglercraft.v1_8.log4j.Logger;
 import net.lax1dude.eaglercraft.v1_8.vector.Matrix4f;
 import net.lax1dude.eaglercraft.v1_8.vector.Vector3f;
 import net.lax1dude.eaglercraft.v1_8.vector.Vector4f;
+import net.minecraft.util.MathHelper;
 
 import static net.lax1dude.eaglercraft.v1_8.opengl.RealOpenGLEnums.*;
 import static net.lax1dude.eaglercraft.v1_8.internal.PlatformOpenGL.*;
@@ -159,8 +161,8 @@ public class GlStateManager {
 	
 	static final Matrix4f[][] textureMatrixStack = new Matrix4f[8][8];
 	static final int[][] textureMatrixStackAccessSerial = new int[8][8];
-	static int[] textureMatrixAccessSerial = new int[8];
-	static int[] textureMatrixStackPointer = new int[8];
+	static final int[] textureMatrixAccessSerial = new int[8];
+	static final int[] textureMatrixStackPointer = new int[8];
 	
 	static boolean stateUseExtensionPipeline = false;
 	
@@ -821,6 +823,32 @@ public class GlStateManager {
 		}
 	}
 
+	private static Matrix4f getMatrixIncr() {
+		Matrix4f mat;
+		int _i, _j;
+		switch(stateMatrixMode) {
+		case GL_MODELVIEW:
+			_j = modelMatrixStackPointer;
+			mat = modelMatrixStack[_j];
+			modelMatrixStackAccessSerial[_j] = ++modelMatrixAccessSerial;
+			break;
+		case GL_PROJECTION:
+			_j = projectionMatrixStackPointer;
+			mat = projectionMatrixStack[_j];
+			projectionMatrixStackAccessSerial[_j] = ++projectionMatrixAccessSerial;
+			break;
+		case GL_TEXTURE:
+			_i = activeTexture;
+			_j = textureMatrixStackPointer[_i];
+			mat = textureMatrixStack[_i][_j];
+			textureMatrixStackAccessSerial[_i][_j] = ++textureCoordsAccessSerial[_i];
+			break;
+		default:
+			throw new IllegalStateException();
+		}
+		return mat;
+	}
+
 	public static final void getFloat(int pname, float[] params) {
 		switch(pname) {
 		case GL_MODELVIEW_MATRIX:
@@ -854,24 +882,7 @@ public class GlStateManager {
 	}
 
 	public static final void ortho(double left, double right, double bottom, double top, double zNear, double zFar) {
-		Matrix4f matrix;
-		switch(stateMatrixMode) {
-		case GL_MODELVIEW:
-			matrix = modelMatrixStack[modelMatrixStackPointer];
-			modelMatrixStackAccessSerial[modelMatrixStackPointer] = ++modelMatrixAccessSerial;
-			break;
-		case GL_PROJECTION:
-		default:
-			matrix = projectionMatrixStack[projectionMatrixStackPointer];
-			projectionMatrixStackAccessSerial[projectionMatrixStackPointer] = ++projectionMatrixAccessSerial;
-			break;
-		case GL_TEXTURE:
-			int ptr = textureMatrixStackPointer[activeTexture];
-			matrix = textureMatrixStack[activeTexture][ptr];
-			textureMatrixStackAccessSerial[activeTexture][textureMatrixStackPointer[activeTexture]] =
-					++textureMatrixAccessSerial[activeTexture];
-			break;
-		}
+		Matrix4f matrix = getMatrixIncr();
 		paramMatrix.m00 = 2.0f / (float)(right - left);
 		paramMatrix.m01 = 0.0f;
 		paramMatrix.m02 = 0.0f;
@@ -894,169 +905,200 @@ public class GlStateManager {
 	private static final Vector3f paramVector = new Vector3f();
 	private static final float toRad = 0.0174532925f;
 	public static final void rotate(float angle, float x, float y, float z) {
-		paramVector.x = x;
-		paramVector.y = y;
-		paramVector.z = z;
-		switch(stateMatrixMode) {
-		case GL_MODELVIEW:
-		default:
-			modelMatrixStack[modelMatrixStackPointer].rotate(angle * toRad, paramVector);
-			modelMatrixStackAccessSerial[modelMatrixStackPointer] = ++modelMatrixAccessSerial;
-			break;
-		case GL_PROJECTION:
-			projectionMatrixStack[projectionMatrixStackPointer].rotate(angle * toRad, paramVector);
-			projectionMatrixStackAccessSerial[projectionMatrixStackPointer] = ++projectionMatrixAccessSerial;
-			break;
-		case GL_TEXTURE:
-			int ptr = textureMatrixStackPointer[activeTexture];
-			textureMatrixStack[activeTexture][ptr].rotate(angle * toRad, paramVector);
-			textureMatrixStackAccessSerial[activeTexture][textureMatrixStackPointer[activeTexture]] =
-					++textureMatrixAccessSerial[activeTexture];
-			break;
+		Matrix4f matrix = getMatrixIncr();
+		if(x == 0.0f) {
+			if(y == 0.0f) {
+				if(z == 1.0f || z == -1.0f) {
+					_glRotatefZ(matrix, toRad * angle * z);
+					return;
+				}
+			}else if((y == 1.0f || y == -1.0f) && z == 0.0f) {
+				_glRotatefY(matrix, toRad * angle * y);
+				return;
+			}
+		}else if((x == 1.0f || x == -1.0f) && y == 0.0f && z == 0.0f) {
+			_glRotatefX(matrix, toRad * angle * x);
+			return;
 		}
+		_glRotatef(matrix, toRad * angle, x, y, z);
+	}
+
+	public static final void rotateXYZ(float x, float y, float z) {
+		Matrix4f matrix = getMatrixIncr();
+		if(x != 0.0f) _glRotatefX(matrix, toRad * x);
+		if(y != 0.0f) _glRotatefY(matrix, toRad * y);
+		if(z != 0.0f) _glRotatefZ(matrix, toRad * z);
+	}
+
+	public static final void rotateZYX(float x, float y, float z) {
+		Matrix4f matrix = getMatrixIncr();
+		if(z != 0.0f) _glRotatefZ(matrix, toRad * z);
+		if(y != 0.0f) _glRotatefY(matrix, toRad * y);
+		if(x != 0.0f) _glRotatefX(matrix, toRad * x);
+	}
+
+	public static final void rotateXYZRad(float x, float y, float z) {
+		Matrix4f matrix = getMatrixIncr();
+		if(x != 0.0f) _glRotatefX(matrix, x);
+		if(y != 0.0f) _glRotatefY(matrix, y);
+		if(z != 0.0f) _glRotatefZ(matrix, z);
+	}
+
+	public static final void rotateZYXRad(float x, float y, float z) {
+		Matrix4f matrix = getMatrixIncr();
+		if(z != 0.0f) _glRotatefZ(matrix, z);
+		if(y != 0.0f) _glRotatefY(matrix, y);
+		if(x != 0.0f) _glRotatefX(matrix, x);
+	}
+
+	private static void _glRotatefX(Matrix4f mat, float angle) {
+		float sin = MathHelper.sin(angle);
+		float cos = MathHelper.cos(angle);
+		float lm10 = mat.m10, lm11 = mat.m11, lm12 = mat.m12, lm13 = mat.m13, lm20 = mat.m20, lm21 = mat.m21,
+				lm22 = mat.m22, lm23 = mat.m23;
+		mat.m20 = lm10 * -sin + lm20 * cos;
+		mat.m21 = lm11 * -sin + lm21 * cos;
+		mat.m22 = lm12 * -sin + lm22 * cos;
+		mat.m23 = lm13 * -sin + lm23 * cos;
+		mat.m10 = lm10 * cos + lm20 * sin;
+		mat.m11 = lm11 * cos + lm21 * sin;
+		mat.m12 = lm12 * cos + lm22 * sin;
+		mat.m13 = lm13 * cos + lm23 * sin;
+	}
+
+	private static void _glRotatefY(Matrix4f mat, float angle) {
+		float sin = MathHelper.sin(angle);
+		float cos = MathHelper.cos(angle);
+		float nm00 = mat.m00 * cos + mat.m20 * -sin;
+		float nm01 = mat.m01 * cos + mat.m21 * -sin;
+		float nm02 = mat.m02 * cos + mat.m22 * -sin;
+		float nm03 = mat.m03 * cos + mat.m23 * -sin;
+		mat.m20 = mat.m00 * sin + mat.m20 * cos;
+		mat.m21 = mat.m01 * sin + mat.m21 * cos;
+		mat.m22 = mat.m02 * sin + mat.m22 * cos;
+		mat.m23 = mat.m03 * sin + mat.m23 * cos;
+		mat.m00 = nm00;
+		mat.m01 = nm01;
+		mat.m02 = nm02;
+		mat.m03 = nm03;
+	}
+
+	private static void _glRotatefZ(Matrix4f mat, float angle) {
+		float dirX = MathHelper.sin(angle);
+		float dirY = MathHelper.cos(angle);
+		float nm00 = mat.m00 * dirY + mat.m10 * dirX;
+		float nm01 = mat.m01 * dirY + mat.m11 * dirX;
+		float nm02 = mat.m02 * dirY + mat.m12 * dirX;
+		float nm03 = mat.m03 * dirY + mat.m13 * dirX;
+		mat.m10 = mat.m00 * -dirX + mat.m10 * dirY;
+		mat.m11 = mat.m01 * -dirX + mat.m11 * dirY;
+		mat.m12 = mat.m02 * -dirX + mat.m12 * dirY;
+		mat.m13 = mat.m03 * -dirX + mat.m13 * dirY;
+		mat.m00 = nm00;
+		mat.m01 = nm01;
+		mat.m02 = nm02;
+		mat.m03 = nm03;
+	}
+
+	private static void _glRotatef(Matrix4f mat, float angle, float x, float y, float z) {
+		float s = MathHelper.sin(angle);
+		float c = MathHelper.cos(angle);
+		float C = 1.0f - c;
+		float xx = x * x, xy = x * y, xz = x * z;
+		float yy = y * y, yz = y * z;
+		float zz = z * z;
+		float rm00 = xx * C + c;
+		float rm01 = xy * C + z * s;
+		float rm02 = xz * C - y * s;
+		float rm10 = xy * C - z * s;
+		float rm11 = yy * C + c;
+		float rm12 = yz * C + x * s;
+		float rm20 = xz * C + y * s;
+		float rm21 = yz * C - x * s;
+		float rm22 = zz * C + c;
+		float nm00 = mat.m00 * rm00 + mat.m10 * rm01 + mat.m20 * rm02;
+		float nm01 = mat.m01 * rm00 + mat.m11 * rm01 + mat.m21 * rm02;
+		float nm02 = mat.m02 * rm00 + mat.m12 * rm01 + mat.m22 * rm02;
+		float nm03 = mat.m03 * rm00 + mat.m13 * rm01 + mat.m23 * rm02;
+		float nm10 = mat.m00 * rm10 + mat.m10 * rm11 + mat.m20 * rm12;
+		float nm11 = mat.m01 * rm10 + mat.m11 * rm11 + mat.m21 * rm12;
+		float nm12 = mat.m02 * rm10 + mat.m12 * rm11 + mat.m22 * rm12;
+		float nm13 = mat.m03 * rm10 + mat.m13 * rm11 + mat.m23 * rm12;
+		mat.m20 = mat.m00 * rm20 + mat.m10 * rm21 + mat.m20 * rm22;
+		mat.m21 = mat.m01 * rm20 + mat.m11 * rm21 + mat.m21 * rm22;
+		mat.m22 = mat.m02 * rm20 + mat.m12 * rm21 + mat.m22 * rm22;
+		mat.m23 = mat.m03 * rm20 + mat.m13 * rm21 + mat.m23 * rm22;
+		mat.m00 = nm00;
+		mat.m01 = nm01;
+		mat.m02 = nm02;
+		mat.m03 = nm03;
+		mat.m10 = nm10;
+		mat.m11 = nm11;
+		mat.m12 = nm12;
+		mat.m13 = nm13;
 	}
 
 	public static final void scale(float x, float y, float z) {
-		paramVector.x = x;
-		paramVector.y = y;
-		paramVector.z = z;
-		switch(stateMatrixMode) {
-		case GL_MODELVIEW:
-		default:
-			modelMatrixStack[modelMatrixStackPointer].scale(paramVector);
-			modelMatrixStackAccessSerial[modelMatrixStackPointer] = ++modelMatrixAccessSerial;
-			break;
-		case GL_PROJECTION:
-			projectionMatrixStack[projectionMatrixStackPointer].scale(paramVector);
-			projectionMatrixStackAccessSerial[projectionMatrixStackPointer] = ++projectionMatrixAccessSerial;
-			break;
-		case GL_TEXTURE:
-			int ptr = textureMatrixStackPointer[activeTexture];
-			textureMatrixStack[activeTexture][ptr].scale(paramVector);
-			textureMatrixStackAccessSerial[activeTexture][textureMatrixStackPointer[activeTexture]] =
-					++textureMatrixAccessSerial[activeTexture];
-			break;
-		}
+		Matrix4f matrix = getMatrixIncr();
+		matrix.m00 *= x;
+		matrix.m01 *= x;
+		matrix.m02 *= x;
+		matrix.m03 *= x;
+		matrix.m10 *= y;
+		matrix.m11 *= y;
+		matrix.m12 *= y;
+		matrix.m13 *= y;
+		matrix.m20 *= z;
+		matrix.m21 *= z;
+		matrix.m22 *= z;
+		matrix.m23 *= z;
 	}
 
 	public static final void scale(double x, double y, double z) {
-		paramVector.x = (float)x;
-		paramVector.y = (float)y;
-		paramVector.z = (float)z;
-		switch(stateMatrixMode) {
-		case GL_MODELVIEW:
-		default:
-			modelMatrixStack[modelMatrixStackPointer].scale(paramVector);
-			modelMatrixStackAccessSerial[modelMatrixStackPointer] = ++modelMatrixAccessSerial;
-			break;
-		case GL_PROJECTION:
-			projectionMatrixStack[projectionMatrixStackPointer].scale(paramVector);
-			projectionMatrixStackAccessSerial[projectionMatrixStackPointer] = ++projectionMatrixAccessSerial;
-			break;
-		case GL_TEXTURE:
-			int ptr = textureMatrixStackPointer[activeTexture];
-			textureMatrixStack[activeTexture][ptr].scale(paramVector);
-			textureMatrixStackAccessSerial[activeTexture][textureMatrixStackPointer[activeTexture]] =
-					++textureMatrixAccessSerial[activeTexture];
-			break;
-		}
+		Matrix4f matrix = getMatrixIncr();
+		matrix.m00 *= x;
+		matrix.m01 *= x;
+		matrix.m02 *= x;
+		matrix.m03 *= x;
+		matrix.m10 *= y;
+		matrix.m11 *= y;
+		matrix.m12 *= y;
+		matrix.m13 *= y;
+		matrix.m20 *= z;
+		matrix.m21 *= z;
+		matrix.m22 *= z;
+		matrix.m23 *= z;
 	}
 
 	public static final void translate(float x, float y, float z) {
-		paramVector.x = x;
-		paramVector.y = y;
-		paramVector.z = z;
-		switch(stateMatrixMode) {
-		case GL_MODELVIEW:
-		default:
-			modelMatrixStack[modelMatrixStackPointer].translate(paramVector);
-			modelMatrixStackAccessSerial[modelMatrixStackPointer] = ++modelMatrixAccessSerial;
-			break;
-		case GL_PROJECTION:
-			projectionMatrixStack[projectionMatrixStackPointer].translate(paramVector);
-			projectionMatrixStackAccessSerial[projectionMatrixStackPointer] = ++projectionMatrixAccessSerial;
-			break;
-		case GL_TEXTURE:
-			int ptr = textureMatrixStackPointer[activeTexture];
-			textureMatrixStack[activeTexture][ptr].translate(paramVector);
-			textureMatrixStackAccessSerial[activeTexture][textureMatrixStackPointer[activeTexture]] =
-					++textureMatrixAccessSerial[activeTexture];
-			break;
-		}
+		Matrix4f matrix = getMatrixIncr();
+		matrix.m30 = matrix.m00 * x + matrix.m10 * y + matrix.m20 * z + matrix.m30;
+		matrix.m31 = matrix.m01 * x + matrix.m11 * y + matrix.m21 * z + matrix.m31;
+		matrix.m32 = matrix.m02 * x + matrix.m12 * y + matrix.m22 * z + matrix.m32;
+		matrix.m33 = matrix.m03 * x + matrix.m13 * y + matrix.m23 * z + matrix.m33;
 	}
 
 	public static final void translate(double x, double y, double z) {
-		paramVector.x = (float)x;
-		paramVector.y = (float)y;
-		paramVector.z = (float)z;
-		switch(stateMatrixMode) {
-		case GL_MODELVIEW:
-		default:
-			modelMatrixStack[modelMatrixStackPointer].translate(paramVector);
-			modelMatrixStackAccessSerial[modelMatrixStackPointer] = ++modelMatrixAccessSerial;
-			break;
-		case GL_PROJECTION:
-			projectionMatrixStack[projectionMatrixStackPointer].translate(paramVector);
-			projectionMatrixStackAccessSerial[projectionMatrixStackPointer] = ++projectionMatrixAccessSerial;
-			break;
-		case GL_TEXTURE:
-			int ptr = textureMatrixStackPointer[activeTexture];
-			textureMatrixStack[activeTexture][ptr].translate(paramVector);
-			textureMatrixStackAccessSerial[activeTexture][textureMatrixStackPointer[activeTexture]] =
-					++textureMatrixAccessSerial[activeTexture];
-			break;
-		}
+		float _x = (float)x;
+		float _y = (float)y;
+		float _z = (float)z;
+		Matrix4f matrix = getMatrixIncr();
+		matrix.m30 = matrix.m00 * _x + matrix.m10 * _y + matrix.m20 * _z + matrix.m30;
+		matrix.m31 = matrix.m01 * _x + matrix.m11 * _y + matrix.m21 * _z + matrix.m31;
+		matrix.m32 = matrix.m02 * _x + matrix.m12 * _y + matrix.m22 * _z + matrix.m32;
+		matrix.m33 = matrix.m03 * _x + matrix.m13 * _y + matrix.m23 * _z + matrix.m33;
 	}
 
 	private static final Matrix4f paramMatrix = new Matrix4f();
 	public static final void multMatrix(float[] matrix) {
-		Matrix4f modeMatrix;
-		
-		switch(stateMatrixMode) {
-		case GL_MODELVIEW:
-		default:
-			modeMatrix = modelMatrixStack[modelMatrixStackPointer];
-			modelMatrixStackAccessSerial[modelMatrixStackPointer] = ++modelMatrixAccessSerial;
-			break;
-		case GL_PROJECTION:
-			modeMatrix = projectionMatrixStack[projectionMatrixStackPointer];
-			projectionMatrixStackAccessSerial[projectionMatrixStackPointer] = ++projectionMatrixAccessSerial;
-			break;
-		case GL_TEXTURE:
-			int ptr = textureMatrixStackPointer[activeTexture];
-			modeMatrix = textureMatrixStack[activeTexture][ptr];
-			textureMatrixStackAccessSerial[activeTexture][textureMatrixStackPointer[activeTexture]] =
-					++textureMatrixAccessSerial[activeTexture];
-			break;
-		}
-		
 		paramMatrix.load(matrix);
-		
-		Matrix4f.mul(modeMatrix, paramMatrix, modeMatrix);
+		Matrix4f mat = getMatrixIncr();
+		Matrix4f.mul(mat, paramMatrix, mat);
 	}
 
 	public static final void multMatrix(Matrix4f matrix) {
-		Matrix4f modeMatrix;
-		
-		switch(stateMatrixMode) {
-		case GL_MODELVIEW:
-		default:
-			modeMatrix = modelMatrixStack[modelMatrixStackPointer];
-			modelMatrixStackAccessSerial[modelMatrixStackPointer] = ++modelMatrixAccessSerial;
-			break;
-		case GL_PROJECTION:
-			modeMatrix = projectionMatrixStack[projectionMatrixStackPointer];
-			projectionMatrixStackAccessSerial[projectionMatrixStackPointer] = ++projectionMatrixAccessSerial;
-			break;
-		case GL_TEXTURE:
-			int ptr = textureMatrixStackPointer[activeTexture];
-			modeMatrix = textureMatrixStack[activeTexture][ptr];
-			textureMatrixStackAccessSerial[activeTexture][textureMatrixStackPointer[activeTexture]] =
-					++textureMatrixAccessSerial[activeTexture];
-			break;
-		}
-		
-		Matrix4f.mul(modeMatrix, matrix, modeMatrix);
+		Matrix4f mat = getMatrixIncr();
+		Matrix4f.mul(mat, matrix, mat);
 	}
 
 	public static final void color(float colorRed, float colorGreen, float colorBlue, float colorAlpha) {
@@ -1088,24 +1130,7 @@ public class GlStateManager {
 	}
 
 	public static final void gluPerspective(float fovy, float aspect, float zNear, float zFar) {
-		Matrix4f matrix;
-		switch(stateMatrixMode) {
-		case GL_MODELVIEW:
-			matrix = modelMatrixStack[modelMatrixStackPointer];
-			modelMatrixStackAccessSerial[modelMatrixStackPointer] = ++modelMatrixAccessSerial;
-			break;
-		case GL_PROJECTION:
-		default:
-			matrix = projectionMatrixStack[projectionMatrixStackPointer];
-			projectionMatrixStackAccessSerial[projectionMatrixStackPointer] = ++projectionMatrixAccessSerial;
-			break;
-		case GL_TEXTURE:
-			int ptr = textureMatrixStackPointer[activeTexture];
-			matrix = textureMatrixStack[activeTexture][ptr];
-			textureMatrixStackAccessSerial[activeTexture][textureMatrixStackPointer[activeTexture]] =
-					++textureMatrixAccessSerial[activeTexture];
-			break;
-		}
+		Matrix4f matrix = getMatrixIncr();
 		float cotangent = (float) Math.cos(fovy * toRad * 0.5f) / (float) Math.sin(fovy * toRad * 0.5f);
 		paramMatrix.m00 = cotangent / aspect;
 		paramMatrix.m01 = 0.0f;
@@ -1127,24 +1152,7 @@ public class GlStateManager {
 	}
 
 	public static final void gluLookAt(Vector3f eye, Vector3f center, Vector3f up) {
-		Matrix4f matrix;
-		switch(stateMatrixMode) {
-		case GL_MODELVIEW:
-			matrix = modelMatrixStack[modelMatrixStackPointer];
-			modelMatrixStackAccessSerial[modelMatrixStackPointer] = ++modelMatrixAccessSerial;
-			break;
-		case GL_PROJECTION:
-		default:
-			matrix = projectionMatrixStack[projectionMatrixStackPointer];
-			projectionMatrixStackAccessSerial[projectionMatrixStackPointer] = ++projectionMatrixAccessSerial;
-			break;
-		case GL_TEXTURE:
-			int ptr = textureMatrixStackPointer[activeTexture];
-			matrix = textureMatrixStack[activeTexture][ptr];
-			textureMatrixStackAccessSerial[activeTexture][textureMatrixStackPointer[activeTexture]] =
-					++textureMatrixAccessSerial[activeTexture];
-			break;
-		}
+		Matrix4f matrix = getMatrixIncr();
 		float x = center.x - eye.x;
 		float y = center.y - eye.y;
 		float z = center.z - eye.z;
@@ -1262,4 +1270,18 @@ public class GlStateManager {
 	public static void recompileShaders() {
 		FixedFunctionPipeline.flushCache();
 	}
+
+	public static int getBoundTexture() {
+		return boundTexture[activeTexture];
+	}
+
+	static void setTextureCachedSize(int target, int w, int h) {
+		if(target == GL_TEXTURE_2D) {
+			ITextureGL tex = EaglercraftGPU.getNativeTexture(boundTexture[activeTexture]);
+			if(tex != null) {
+				tex.setCacheSize(w, h);
+			}
+		}
+	}
+
 }

sources/main/java/net/lax1dude/eaglercraft/v1_8/opengl/SpriteLevelMixer.java

@@ -1,6 +1,9 @@
 package net.lax1dude.eaglercraft.v1_8.opengl;
 
 import static net.lax1dude.eaglercraft.v1_8.opengl.RealOpenGLEnums.*;
+
+import java.util.List;
+
 import static net.lax1dude.eaglercraft.v1_8.internal.PlatformOpenGL.*;
 
 import net.lax1dude.eaglercraft.v1_8.EagRuntime;
@@ -10,10 +13,11 @@ import net.lax1dude.eaglercraft.v1_8.internal.IUniformGL;
 import net.lax1dude.eaglercraft.v1_8.internal.buffer.FloatBuffer;
 import net.lax1dude.eaglercraft.v1_8.log4j.LogManager;
 import net.lax1dude.eaglercraft.v1_8.log4j.Logger;
+import net.lax1dude.eaglercraft.v1_8.opengl.VSHInputLayoutParser.ShaderInput;
 import net.lax1dude.eaglercraft.v1_8.vector.Matrix3f;
 
 /**
- * Copyright (c) 2022-2023 lax1dude. All Rights Reserved.
+ * Copyright (c) 2022-2025 lax1dude. All Rights Reserved.
  * 
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
@@ -39,7 +43,8 @@ public class SpriteLevelMixer {
 	private static IUniformGL u_textureLod1f = null;
 	private static IUniformGL u_blendFactor4f = null;
 	private static IUniformGL u_blendBias4f = null;
-	private static IUniformGL u_matrixTransform = null;
+	private static IUniformGL u_srcCoords4f = null;
+	private static IUniformGL u_dstCoords4f = null;
 
 	private static FloatBuffer matrixCopyBuffer = null;
 
@@ -55,12 +60,15 @@ public class SpriteLevelMixer {
 	private static float biasColorB = 0.0f;
 	private static float biasColorA = 0.0f;
 
-	private static boolean matrixChanged = true;
-	private static final Matrix3f transformMatrix = new Matrix3f();
+	private static float srcViewW = 100.0f;
+	private static float srcViewH = 100.0f;
+
+	private static float dstViewW = 50.0f;
+	private static float dstViewH = 50.0f;
 
 	private static final Matrix3f identityMatrix = new Matrix3f();
 
-	static void initialize() {
+	static void initialize(IShaderGL vertexShader, List<ShaderInput> vshSourceLayout) {
 		String fragmentSource = EagRuntime.getRequiredResourceString(fragmentShaderPath);
 
 		IShaderGL frag = _wglCreateShader(GL_FRAGMENT_SHADER);
@@ -82,16 +90,16 @@ public class SpriteLevelMixer {
 
 		shaderProgram = _wglCreateProgram();
 
-		_wglAttachShader(shaderProgram, DrawUtils.vshLocal);
+		_wglAttachShader(shaderProgram, vertexShader);
 		_wglAttachShader(shaderProgram, frag);
 
 		if(EaglercraftGPU.checkOpenGLESVersion() == 200) {
-			VSHInputLayoutParser.applyLayout(shaderProgram, DrawUtils.vshLocalLayout);
+			VSHInputLayoutParser.applyLayout(shaderProgram, vshSourceLayout);
 		}
 
 		_wglLinkProgram(shaderProgram);
 
-		_wglDetachShader(shaderProgram, DrawUtils.vshLocal);
+		_wglDetachShader(shaderProgram, vertexShader);
 		_wglDetachShader(shaderProgram, frag);
 
 		_wglDeleteShader(frag);
@@ -115,7 +123,8 @@ public class SpriteLevelMixer {
 		u_textureLod1f = _wglGetUniformLocation(shaderProgram, "u_textureLod1f");
 		u_blendFactor4f = _wglGetUniformLocation(shaderProgram, "u_blendFactor4f");
 		u_blendBias4f = _wglGetUniformLocation(shaderProgram, "u_blendBias4f");
-		u_matrixTransform = _wglGetUniformLocation(shaderProgram, "u_matrixTransform");
+		u_srcCoords4f = _wglGetUniformLocation(shaderProgram, "u_srcCoords4f");
+		u_dstCoords4f = _wglGetUniformLocation(shaderProgram, "u_dstCoords4f");
 
 		_wglUniform1i(_wglGetUniformLocation(shaderProgram, "u_inputTexture"), 0);
 
@@ -141,25 +150,31 @@ public class SpriteLevelMixer {
 		}
 	}
 
-	public static void setIdentityMatrix() {
-		setMatrix3f(identityMatrix);
+	public static void srcSize(int w, int h) {
+		srcViewW = w;
+		srcViewH = h;
 	}
 
-	public static void setMatrix3f(Matrix3f matrix) {
-		if(!matrix.equals(transformMatrix)) {
-			matrixChanged = true;
-			transformMatrix.load(matrix);
-		}
+	public static void dstSize(int w, int h) {
+		dstViewW = w * 0.5f;
+		dstViewH = h * 0.5f;
 	}
 
-	public static void drawSprite(float level) {
+	public static void srcDstSize(int w, int h) {
+		srcViewW = w;
+		srcViewH = h;
+		dstViewW = w * 0.5f;
+		dstViewH = h * 0.5f;
+	}
+
+	public static void drawSprite(int lvl, int srcX, int srcY, int srcW, int srcH, int dstX, int dstY, int dstW, int dstH) {
 		EaglercraftGPU.bindGLShaderProgram(shaderProgram);
 		
 		if(EaglercraftGPU.checkTextureLODCapable()) {
-			_wglUniform1f(u_textureLod1f, level);
+			_wglUniform1f(u_textureLod1f, lvl);
 		}else {
-			if(level != 0.0f) {
-				LOGGER.error("Tried to copy from mipmap level {}, but this GPU does not support textureLod!", level);
+			if(lvl != 0) {
+				LOGGER.error("Tried to copy from mipmap level {}, but this GPU does not support textureLod!", lvl);
 			}
 			_wglUniform1f(u_textureLod1f, 0.0f);
 		}
@@ -174,13 +189,9 @@ public class SpriteLevelMixer {
 			biasColorChanged = false;
 		}
 		
-		if(matrixChanged) {
-			matrixCopyBuffer.clear();
-			transformMatrix.store(matrixCopyBuffer);
-			matrixCopyBuffer.flip();
-			_wglUniformMatrix3fv(u_matrixTransform, false, matrixCopyBuffer);
-			matrixChanged = false;
-		}
+		_wglUniform4f(u_srcCoords4f, (float)srcX / srcViewW, (float)srcY / srcViewH, (float)srcW / srcViewW, (float)srcH / srcViewH);
+		_wglUniform4f(u_dstCoords4f, (float) dstX / dstViewW - 1.0f, (float) dstY / dstViewH - 1.0f,
+				(float) dstW / dstViewW, (float) dstH / dstViewH);
 		
 		DrawUtils.drawStandardQuad2D();
 	}
@@ -197,7 +208,8 @@ public class SpriteLevelMixer {
 		u_textureLod1f = null;
 		u_blendFactor4f = null;
 		u_blendBias4f = null;
-		u_matrixTransform = null;
+		u_srcCoords4f = null;
+		u_dstCoords4f = null;
 	}
 
 }

sources/main/java/net/lax1dude/eaglercraft/v1_8/opengl/TextureCopyUtil.java

@@ -113,6 +113,8 @@ public class TextureCopyUtil {
 		if(EaglercraftGPU.checkOpenGLESVersion() == 200) {
 			vshSourceLayout = VSHInputLayoutParser.getShaderInputs(vshSource);
 		}
+
+		SpriteLevelMixer.initialize(vshShader, vshSourceLayout);
 	}
 
 	private static TextureCopyShader compileShader(boolean align, boolean depth) {
@@ -283,18 +285,22 @@ public class TextureCopyUtil {
 		DrawUtils.drawStandardQuad2D();
 	}
 
+	@Deprecated
 	public static void blitTextureUsingViewports(int srcX, int srcY, int dstX, int dstY, int w, int h) {
 		blitTextureUsingViewports(0, srcX, srcY, w, h, dstX, dstY, w, h);
 	}
 
+	@Deprecated
 	public static void blitTextureUsingViewports(int lvl, int srcX, int srcY, int dstX, int dstY, int w, int h) {
 		blitTextureUsingViewports(lvl, srcX, srcY, w, h, dstX, dstY, w, h);
 	}
 
+	@Deprecated
 	public static void blitTextureUsingViewports(int srcX, int srcY, int srcW, int srcH, int dstX, int dstY, int dstW, int dstH) {
 		blitTextureUsingViewports(0, srcX, srcY, srcW, srcH, dstX, dstY, dstW, dstH);
 	}
 
+	@Deprecated
 	public static void blitTextureUsingViewports(int lvl, int srcX, int srcY, int srcW, int srcH, int dstX, int dstY, int dstW, int dstH) {
 		TextureCopyShader shaderObj = getShaderObj(isAligned, false);
 		EaglercraftGPU.bindGLShaderProgram(shaderObj.shaderProgram);
@@ -376,18 +382,22 @@ public class TextureCopyUtil {
 		DrawUtils.drawStandardQuad2D();
 	}
 
+	@Deprecated
 	public static void blitTextureDepthUsingViewports(int srcX, int srcY, int dstX, int dstY, int w, int h) {
 		blitTextureDepthUsingViewports(0, srcX, srcY, w, h, dstX, dstY, w, h);
 	}
 
+	@Deprecated
 	public static void blitTextureDepthUsingViewports(int lvl, int srcX, int srcY, int dstX, int dstY, int w, int h) {
 		blitTextureDepthUsingViewports(lvl, srcX, srcY, w, h, dstX, dstY, w, h);
 	}
 
+	@Deprecated
 	public static void blitTextureDepthUsingViewports(int srcX, int srcY, int srcW, int srcH, int dstX, int dstY, int dstW, int dstH) {
 		blitTextureDepthUsingViewports(0, srcX, srcY, srcW, srcH, dstX, dstY, dstW, dstH);
 	}
 
+	@Deprecated
 	public static void blitTextureDepthUsingViewports(int lvl, int srcX, int srcY, int srcW, int srcH, int dstX, int dstY, int dstW, int dstH) {
 		TextureCopyShader shaderObj = getShaderObj(isAligned, true);
 		EaglercraftGPU.bindGLShaderProgram(shaderObj.shaderProgram);
@@ -431,5 +441,6 @@ public class TextureCopyUtil {
 			textureBlitDepthAligned.destroy();
 			textureBlitDepthAligned = null;
 		}
+		SpriteLevelMixer.destroy();
 	}
 }

sources/main/java/net/lax1dude/eaglercraft/v1_8/opengl/WorldRenderer.java

@@ -12,8 +12,12 @@ import net.lax1dude.eaglercraft.v1_8.EagRuntime;
 import net.lax1dude.eaglercraft.v1_8.log4j.LogManager;
 import net.lax1dude.eaglercraft.v1_8.log4j.Logger;
 import net.lax1dude.eaglercraft.v1_8.vector.Vector3f;
+import net.minecraft.block.state.IBlockState;
 import net.minecraft.client.renderer.GLAllocation;
+import net.minecraft.util.BlockPos;
+import net.minecraft.util.EnumWorldBlockLayer;
 import net.minecraft.util.MathHelper;
+import net.optifine.render.RenderEnv;
 
 /**
  * Copyright (c) 2022-2023 lax1dude, ayunami2000. All Rights Reserved.
@@ -50,6 +54,9 @@ public class WorldRenderer {
 	
 	private boolean hasBeenFreed = false;
 
+	private EnumWorldBlockLayer blockLayer = null;
+	public RenderEnv renderEnv = null;
+
 	public WorldRenderer(int bufferSizeIn) {
 		this.byteBuffer = GLAllocation.createDirectByteBuffer(bufferSizeIn << 2);
 		this.intBuffer = this.byteBuffer.asIntBuffer();
@@ -555,6 +562,20 @@ public class WorldRenderer {
 
 	}
 
+	public RenderEnv getRenderEnv(IBlockState p_getRenderEnv_1_, BlockPos p_getRenderEnv_2_) {
+		if (this.renderEnv == null) {
+			this.renderEnv = new RenderEnv(p_getRenderEnv_1_, p_getRenderEnv_2_);
+			return this.renderEnv;
+		} else {
+			this.renderEnv.reset(p_getRenderEnv_1_, p_getRenderEnv_2_);
+			return this.renderEnv;
+		}
+	}
+
+	public EnumWorldBlockLayer getBlockLayer() {
+		return this.blockLayer;
+	}
+
 	public class State {
 		private final IntBuffer stateRawBuffer;
 		private final VertexFormat stateVertexFormat;

sources/main/java/net/lax1dude/eaglercraft/v1_8/opengl/ext/deferred/EaglerDeferredPipeline.java

@@ -2440,6 +2440,15 @@ public class EaglerDeferredPipeline {
 		GlStateManager.setActiveTexture(GL_TEXTURE10);
 		GlStateManager.bindTexture(skyIrradianceTexture);
 		GlStateManager.setActiveTexture(GL_TEXTURE0);
+		GlStateManager.disableDepth();
+		GlStateManager.disableBlend();
+		GlStateManager.depthMask(false);
+		GlStateManager.bindTexture(envMapSkyTexture);
+		GlStateManager.viewport(0, 0, 128, 256);
+		TextureCopyUtil.blitTexture();
+		GlStateManager.depthMask(true);
+		GlStateManager.enableBlend();
+		GlStateManager.enableDepth();
 		DeferredStateManager.checkGLError("Post: beginDrawEnvMap()");
 	}
 
@@ -2470,7 +2479,7 @@ public class EaglerDeferredPipeline {
 	public void beginDrawEnvMapTranslucent() {
 		DeferredStateManager.checkGLError("Pre: beginDrawEnvMapTranslucent()");
 		GlStateManager.enableBlend();
-		GlStateManager.tryBlendFuncSeparate(GL_ONE, GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_DST_ALPHA, GL_ONE);
+		GlStateManager.tryBlendFuncSeparate(GL_ONE, GL_ONE_MINUS_SRC_ALPHA, GL_ZERO, GL_ONE);
 		bindEnvMapBlockTexture();
 		DeferredStateManager.checkGLError("Post: beginDrawEnvMapTranslucent()");
 	}

sources/main/java/net/lax1dude/eaglercraft/v1_8/opengl/ext/deferred/texture/EaglerTextureAtlasSpritePBR.java

@@ -8,7 +8,6 @@ import com.carrotsearch.hppc.cursors.IntCursor;
 import com.google.common.collect.Lists;
 
 import net.lax1dude.eaglercraft.v1_8.HString;
-import net.lax1dude.eaglercraft.v1_8.internal.IFramebufferGL;
 import net.lax1dude.eaglercraft.v1_8.log4j.LogManager;
 import net.lax1dude.eaglercraft.v1_8.log4j.Logger;
 import net.lax1dude.eaglercraft.v1_8.minecraft.EaglerTextureAtlasSprite;
@@ -219,7 +218,9 @@ public class EaglerTextureAtlasSpritePBR extends EaglerTextureAtlasSprite {
 		}
 	}
 
-	public void updateAnimationPBR(IFramebufferGL[] copyColorFramebuffer, IFramebufferGL[] copyMaterialFramebuffer, int materialTexOffset) {
+	protected IAnimCopyFunction currentAnimUpdaterPBR = null;
+
+	public void updateAnimationPBR() {
 		if(animationCachePBR[0] == null || (!dontAnimateNormals && animationCachePBR[1] == null)
 				|| (!dontAnimateMaterial && animationCachePBR[2] == null)) {
 			throw new IllegalStateException("Animation cache for '" + this.iconName + "' was never baked!");
@@ -233,9 +234,28 @@ public class EaglerTextureAtlasSpritePBR extends EaglerTextureAtlasSprite {
 			this.tickCounter = 0;
 			int k = this.animationMetadata.getFrameIndex(this.frameCounter);
 			if (i != k && k >= 0 && k < this.frameTextureDataPBR[0].size()) {
-				animationCachePBR[0].copyFrameLevelsToTex2D(k, this.originX, this.originY, this.width, this.height, copyColorFramebuffer);
-				if(!dontAnimateNormals) animationCachePBR[1].copyFrameLevelsToTex2D(k, this.originX, this.originY, this.width, this.height, copyMaterialFramebuffer);
-				if(!dontAnimateMaterial) animationCachePBR[2].copyFrameLevelsToTex2D(k, this.originX, this.originY + materialTexOffset, this.width, this.height, copyMaterialFramebuffer);
+				currentAnimUpdater = (mapWidth, mapHeight, mapLevel) -> {
+					animationCachePBR[0].copyFrameToTex2D(k, mapLevel, this.originX >> mapLevel,
+							this.originY >> mapLevel, this.width >> mapLevel, this.height >> mapLevel, mapWidth,
+							mapHeight);
+				};
+				if(!dontAnimateNormals || !dontAnimateMaterial) {
+					currentAnimUpdaterPBR = (mapWidth, mapHeight, mapLevel) -> {
+						if (!dontAnimateNormals)
+							animationCachePBR[1].copyFrameToTex2D(k, mapLevel, this.originX >> mapLevel,
+									this.originY >> mapLevel, this.width >> mapLevel, this.height >> mapLevel, mapWidth,
+									mapHeight);
+						if (!dontAnimateMaterial)
+							animationCachePBR[2].copyFrameToTex2D(k, mapLevel, this.originX >> mapLevel,
+									(this.originY >> mapLevel) + (mapHeight >> 1), this.width >> mapLevel,
+									this.height >> mapLevel, mapWidth, mapHeight);
+					};
+				}else {
+					currentAnimUpdaterPBR = null;
+				}
+			}else {
+				currentAnimUpdater = null;
+				currentAnimUpdaterPBR = null;
 			}
 		} else if (this.animationMetadata.isInterpolate()) {
 			float f = 1.0f - (float) this.tickCounter / (float) this.animationMetadata.getFrameTimeSingle(this.frameCounter);
@@ -244,9 +264,43 @@ public class EaglerTextureAtlasSpritePBR extends EaglerTextureAtlasSprite {
 					: this.animationMetadata.getFrameCount();
 			int k = this.animationMetadata.getFrameIndex((this.frameCounter + 1) % j);
 			if (i != k && k >= 0 && k < this.frameTextureDataPBR[0].size()) {
-				animationCachePBR[0].copyInterpolatedFrameLevelsToTex2D(i, k, f, this.originX, this.originY, this.width, this.height, copyColorFramebuffer);
-				if(!dontAnimateNormals) animationCachePBR[1].copyInterpolatedFrameLevelsToTex2D(i, k, f, this.originX, this.originY, this.width, this.height, copyMaterialFramebuffer);
-				if(!dontAnimateMaterial) animationCachePBR[2].copyInterpolatedFrameLevelsToTex2D(i, k, f, this.originX, this.originY + materialTexOffset, this.width, this.height, copyMaterialFramebuffer);
+				currentAnimUpdater = (mapWidth, mapHeight, mapLevel) -> {
+					animationCachePBR[0].copyInterpolatedFrameToTex2D(i, k, f, mapLevel, this.originX >> mapLevel,
+							this.originY >> mapLevel, this.width >> mapLevel, this.height >> mapLevel, mapWidth,
+							mapHeight);
+				};
+				if(!dontAnimateNormals || !dontAnimateMaterial) {
+					currentAnimUpdaterPBR = (mapWidth, mapHeight, mapLevel) -> {
+						if (!dontAnimateNormals)
+							animationCachePBR[1].copyInterpolatedFrameToTex2D(i, k, f, mapLevel,
+									this.originX >> mapLevel, this.originY >> mapLevel, this.width >> mapLevel,
+									this.height >> mapLevel, mapWidth, mapHeight);
+						if (!dontAnimateMaterial)
+							animationCachePBR[2].copyInterpolatedFrameToTex2D(i, k, f, mapLevel,
+									this.originX >> mapLevel, (this.originY >> mapLevel) + (mapHeight >> 1),
+									this.width >> mapLevel, this.height >> mapLevel, mapWidth, mapHeight);
+					};
+				}else {
+					currentAnimUpdaterPBR = null;
+				}
+			}else {
+				currentAnimUpdater = null;
+				currentAnimUpdaterPBR = null;
+			}
+		}else {
+			currentAnimUpdater = null;
+			currentAnimUpdaterPBR = null;
+		}
+	}
+
+	public void copyAnimationFramePBR(int pass, int mapWidth, int mapHeight, int mapLevel) {
+		if(pass == 0) {
+			if(currentAnimUpdater != null) {
+				currentAnimUpdater.updateAnimation(mapWidth, mapHeight, mapLevel);
+			}
+		}else {
+			if(currentAnimUpdaterPBR != null) {
+				currentAnimUpdaterPBR.updateAnimation(mapWidth, mapHeight, mapLevel);
 			}
 		}
 	}
@@ -279,7 +333,7 @@ public class EaglerTextureAtlasSpritePBR extends EaglerTextureAtlasSprite {
 		}
 	}
 
-	public void updateAnimation(IFramebufferGL[] fb) {
+	public void updateAnimation() {
 		Throwable t = new UnsupportedOperationException("Cannot call regular updateAnimation in PBR mode, use updateAnimationPBR");
 		try {
 			throw t;
@@ -288,6 +342,15 @@ public class EaglerTextureAtlasSpritePBR extends EaglerTextureAtlasSprite {
 		}
 	}
 
+	public void copyAnimationFrame(int mapWidth, int mapHeight, int mapLevel) {
+		Throwable t = new UnsupportedOperationException("Cannot call regular copyAnimationFrame in PBR mode, use updateAnimationPBR");
+		try {
+			throw t;
+		}catch(Throwable tt) {
+			logger.error(t);
+		}
+	}
+
 	protected void resetSprite() {
 		this.animationMetadata = null;
 		this.setFramesTextureDataPBR(new List[] { Lists.newArrayList(), Lists.newArrayList(), Lists.newArrayList() });

sources/main/java/net/lax1dude/eaglercraft/v1_8/opengl/ext/deferred/texture/PBRTextureMapUtils.java

@@ -27,7 +27,7 @@ import net.minecraft.util.ResourceLocation;
  */
 public class PBRTextureMapUtils {
 
-	public static final ImageData defaultNormalsTexture = new ImageData(1, 1, new int[] { 0 }, true);
+	public static final ImageData defaultNormalsTexture = new ImageData(1, 1, new int[] { 0xFFFF7F7F }, true);
 
 	public static final PBRMaterialConstants blockMaterialConstants = new PBRMaterialConstants(new ResourceLocation("eagler:glsl/deferred/material_block_constants.csv"));
 
@@ -125,13 +125,17 @@ public class PBRTextureMapUtils {
 		}
 	}
 
-	public static ImageData generateMaterialTextureFor(String iconName) {
+	public static ImageData generateMaterialTextureFor(String iconName, String iconName2) {
 		if(iconName.startsWith("minecraft:")) {
 			iconName = iconName.substring(10);
 		}
 		Integer in = blockMaterialConstants.spriteNameToMaterialConstants.get(iconName);
 		if(in == null) {
-			return new ImageData(1, 1, new int[] { blockMaterialConstants.defaultMaterial }, true);
+			if(iconName2 != null) {
+				return generateMaterialTextureFor(iconName2, null);
+			}else {
+				return new ImageData(1, 1, new int[] { blockMaterialConstants.defaultMaterial }, true);
+			}
 		}else {
 			return new ImageData(1, 1, new int[] { in.intValue() }, true);
 		}
@@ -150,8 +154,8 @@ public class PBRTextureMapUtils {
 					ret[i] = new int[len];
 					int x, y, s1, s2, s3, s4, c1, c2, c3, c4;
 					for(int j = 0; j < len; ++j) {
-						x = (j % len) << 1;
-						y = (j / len) << 1;
+						x = (j % lvlW) << 1;
+						y = (j / lvlW) << 1;
 						s1 = ret[i - 1][x + y * lvl2W];
 						s2 = ret[i - 1][x + y * lvl2W + 1];
 						s3 = ret[i - 1][x + y * lvl2W + lvl2W];

sources/main/java/net/lax1dude/eaglercraft/v1_8/opengl/ext/deferred/texture/TextureClockPBRImpl.java

@@ -27,7 +27,7 @@ public class TextureClockPBRImpl extends EaglerTextureAtlasSpritePBR {
 		super(spriteName);
 	}
 
-	public void updateAnimationPBR(IFramebufferGL[] copyColorFramebuffer, IFramebufferGL[] copyMaterialFramebuffer, int materialTexOffset) {
+	public void updateAnimationPBR() {
 		if (!this.frameTextureDataPBR[0].isEmpty()) {
 			Minecraft minecraft = Minecraft.getMinecraft();
 			double d0 = 0.0;
@@ -59,16 +59,32 @@ public class TextureClockPBRImpl extends EaglerTextureAtlasSpritePBR {
 
 			if (i != this.frameCounter) {
 				this.frameCounter = i;
-				animationCachePBR[0].copyFrameLevelsToTex2D(this.frameCounter, this.originX, this.originY, this.width,
-						this.height, copyColorFramebuffer);
-				if (!dontAnimateNormals)
-					animationCachePBR[1].copyFrameLevelsToTex2D(this.frameCounter, this.originX, this.originY,
-							this.width, this.height, copyMaterialFramebuffer);
-				if (!dontAnimateMaterial)
-					animationCachePBR[2].copyFrameLevelsToTex2D(this.frameCounter, this.originX,
-							this.originY + materialTexOffset, this.width, this.height, copyMaterialFramebuffer);
+				currentAnimUpdater = (mapWidth, mapHeight, mapLevel) -> {
+					animationCachePBR[0].copyFrameToTex2D(this.frameCounter, mapLevel, this.originX >> mapLevel,
+							this.originY >> mapLevel, this.width >> mapLevel, this.height >> mapLevel, mapWidth,
+							mapHeight);
+				};
+				if(!dontAnimateNormals || !dontAnimateMaterial) {
+					currentAnimUpdaterPBR = (mapWidth, mapHeight, mapLevel) -> {
+						if (!dontAnimateNormals)
+							animationCachePBR[1].copyFrameToTex2D(this.frameCounter, mapLevel, this.originX,
+									this.originY, this.width, this.height, mapWidth, mapHeight);
+						if (!dontAnimateMaterial)
+							animationCachePBR[2].copyFrameToTex2D(this.frameCounter, mapLevel, this.originX >> mapLevel,
+									(this.originY >> mapLevel) + (mapHeight >> 1), this.width >> mapLevel,
+									this.height >> mapLevel, mapWidth, mapHeight);
+					};
+				}else {
+					currentAnimUpdaterPBR = null;
+				}
+			}else {
+				currentAnimUpdater = null;
+				currentAnimUpdaterPBR = null;
 			}
 
+		}else {
+			currentAnimUpdater = null;
+			currentAnimUpdaterPBR = null;
 		}
 	}
 

sources/main/java/net/lax1dude/eaglercraft/v1_8/opengl/ext/deferred/texture/TextureCompassPBRImpl.java

@@ -29,18 +29,17 @@ public class TextureCompassPBRImpl extends EaglerTextureAtlasSpritePBR {
 		super(spriteName);
 	}
 
-	public void updateAnimationPBR(IFramebufferGL[] copyColorFramebuffer, IFramebufferGL[] copyMaterialFramebuffer, int materialOffset) {
+	public void updateAnimationPBR() {
 		Minecraft minecraft = Minecraft.getMinecraft();
 		if (minecraft.theWorld != null && minecraft.thePlayer != null) {
 			this.updateCompassPBR(minecraft.theWorld, minecraft.thePlayer.posX, minecraft.thePlayer.posZ,
-					(double) minecraft.thePlayer.rotationYaw, false, copyColorFramebuffer, copyMaterialFramebuffer, materialOffset);
+					(double) minecraft.thePlayer.rotationYaw, false);
 		} else {
-			this.updateCompassPBR((World) null, 0.0, 0.0, 0.0, true, copyColorFramebuffer, copyMaterialFramebuffer, materialOffset);
+			this.updateCompassPBR((World) null, 0.0, 0.0, 0.0, true);
 		}
 	}
 
-	public void updateCompassPBR(World worldIn, double playerX, double playerY, double playerZ, boolean noWorld,
-			IFramebufferGL[] copyColorFramebuffer, IFramebufferGL[] copyMaterialFramebuffer, int materialOffset) {
+	public void updateCompassPBR(World worldIn, double playerX, double playerY, double playerZ, boolean noWorld) {
 		if (!this.frameTextureDataPBR[0].isEmpty()) {
 			double d0 = 0.0;
 			if (worldIn != null && !noWorld) {
@@ -76,15 +75,33 @@ public class TextureCompassPBRImpl extends EaglerTextureAtlasSpritePBR {
 
 			if (i != this.frameCounter) {
 				this.frameCounter = i;
-				animationCachePBR[0].copyFrameLevelsToTex2D(this.frameCounter, this.originX, this.originY, this.width,
-						this.height, copyColorFramebuffer);
-				if (!dontAnimateNormals)
-					animationCachePBR[1].copyFrameLevelsToTex2D(this.frameCounter, this.originX, this.originY,
-							this.width, this.height, copyMaterialFramebuffer);
-				if (!dontAnimateMaterial)
-					animationCachePBR[2].copyFrameLevelsToTex2D(this.frameCounter, this.originX,
-							this.originY + materialOffset, this.width, this.height, copyMaterialFramebuffer);
+				currentAnimUpdater = (mapWidth, mapHeight, mapLevel) -> {
+					animationCachePBR[0].copyFrameToTex2D(this.frameCounter, mapLevel, this.originX >> mapLevel,
+							this.originY >> mapLevel, this.width >> mapLevel, this.height >> mapLevel, mapWidth,
+							mapHeight);
+				};
+				if(!dontAnimateNormals || !dontAnimateMaterial) {
+					currentAnimUpdaterPBR = (mapWidth, mapHeight, mapLevel) -> {
+						if (!dontAnimateNormals)
+							animationCachePBR[1].copyFrameToTex2D(this.frameCounter, mapLevel, this.originX >> mapLevel,
+									this.originY >> mapLevel, this.width >> mapLevel, this.height >> mapLevel, mapWidth,
+									mapHeight);
+						if (!dontAnimateMaterial)
+							animationCachePBR[2].copyFrameToTex2D(this.frameCounter, mapLevel, this.originX >> mapLevel,
+									(this.originY >> mapLevel) + (mapHeight >> 1), this.width >> mapLevel,
+									this.height >> mapLevel, mapWidth, mapHeight);
+					};
+				}else {
+					currentAnimUpdaterPBR = null;
+				}
+			}else {
+				currentAnimUpdater = null;
+				currentAnimUpdaterPBR = null;
 			}
+
+		}else {
+			currentAnimUpdater = null;
+			currentAnimUpdaterPBR = null;
 		}
 	}
 

sources/main/java/net/lax1dude/eaglercraft/v1_8/sp/server/EaglerChunkLoader.java

@@ -88,6 +88,7 @@ public class EaglerChunkLoader extends AnvilChunkLoader {
 
 	@Override
 	public void saveChunk(World var1, Chunk var2) throws IOException {
+		var1.alfheim$getLightingEngine().processLightUpdates();
 		NBTTagCompound chunkData = new NBTTagCompound();
 		this.writeChunkToNBT(var2, var1, chunkData);
 		NBTTagCompound fileData = new NBTTagCompound();

sources/main/java/net/optifine/BetterGrass.java

@@ -0,0 +1,243 @@
+package net.optifine;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.List;
+import java.util.Properties;
+
+import net.lax1dude.eaglercraft.v1_8.minecraft.EaglerTextureAtlasSprite;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockDirt;
+import net.minecraft.block.BlockGrass;
+import net.minecraft.block.BlockMycelium;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.texture.TextureMap;
+import net.minecraft.client.resources.model.IBakedModel;
+import net.minecraft.init.Blocks;
+import net.minecraft.util.BlockPos;
+import net.minecraft.util.EnumFacing;
+import net.minecraft.util.ResourceLocation;
+import net.minecraft.world.IBlockAccess;
+import net.optifine.model.BlockModelUtils;
+import net.optifine.util.PropertiesOrdered;
+
+public class BetterGrass {
+	private static boolean betterGrass = true;
+	private static boolean betterMycelium = true;
+	private static boolean betterPodzol = true;
+	private static boolean betterGrassSnow = true;
+	private static boolean betterMyceliumSnow = true;
+	private static boolean betterPodzolSnow = true;
+	private static boolean grassMultilayer = false;
+	private static EaglerTextureAtlasSprite spriteGrass = null;
+	private static EaglerTextureAtlasSprite spriteGrassSide = null;
+	private static EaglerTextureAtlasSprite spriteMycelium = null;
+	private static EaglerTextureAtlasSprite spritePodzol = null;
+	private static EaglerTextureAtlasSprite spriteSnow = null;
+	private static boolean spritesLoaded = false;
+	private static IBakedModel modelCubeGrass = null;
+	private static IBakedModel modelCubeMycelium = null;
+	private static IBakedModel modelCubePodzol = null;
+	private static IBakedModel modelCubeSnow = null;
+	private static boolean modelsLoaded = false;
+	private static final String TEXTURE_GRASS_DEFAULT = "blocks/grass_top";
+	private static final String TEXTURE_GRASS_SIDE_DEFAULT = "blocks/grass_side";
+	private static final String TEXTURE_MYCELIUM_DEFAULT = "blocks/mycelium_top";
+	private static final String TEXTURE_PODZOL_DEFAULT = "blocks/dirt_podzol_top";
+	private static final String TEXTURE_SNOW_DEFAULT = "blocks/snow";
+
+	public static void updateIcons(TextureMap textureMap) {
+		spritesLoaded = false;
+		modelsLoaded = false;
+		loadProperties(textureMap);
+	}
+
+	public static void update() {
+		if (spritesLoaded) {
+			modelCubeGrass = BlockModelUtils.makeModelCube(spriteGrass, 0);
+
+			if (grassMultilayer) {
+				IBakedModel ibakedmodel = BlockModelUtils.makeModelCube(spriteGrassSide, -1);
+				modelCubeGrass = BlockModelUtils.joinModelsCube(ibakedmodel, modelCubeGrass);
+			}
+
+			modelCubeMycelium = BlockModelUtils.makeModelCube(spriteMycelium, -1);
+			modelCubePodzol = BlockModelUtils.makeModelCube(spritePodzol, 0);
+			modelCubeSnow = BlockModelUtils.makeModelCube(spriteSnow, -1);
+			modelsLoaded = true;
+		}
+	}
+
+	private static void loadProperties(TextureMap textureMap) {
+		betterGrass = true;
+		betterMycelium = true;
+		betterPodzol = true;
+		betterGrassSnow = true;
+		betterMyceliumSnow = true;
+		betterPodzolSnow = true;
+		spriteGrass = textureMap.registerSprite(new ResourceLocation("blocks/grass_top"));
+		spriteGrassSide = textureMap.registerSprite(new ResourceLocation("blocks/grass_side"));
+		spriteMycelium = textureMap.registerSprite(new ResourceLocation("blocks/mycelium_top"));
+		spritePodzol = textureMap.registerSprite(new ResourceLocation("blocks/dirt_podzol_top"));
+		spriteSnow = textureMap.registerSprite(new ResourceLocation("blocks/snow"));
+		spritesLoaded = true;
+		String s = "optifine/bettergrass.properties";
+
+		try (InputStream inputstream = Minecraft.getMinecraft().getResourceManager()
+				.getResource(new ResourceLocation(s)).getInputStream()) {
+			Properties properties = new PropertiesOrdered();
+			properties.load(inputstream);
+			inputstream.close();
+			betterGrass = getBoolean(properties, "grass", true);
+			betterMycelium = getBoolean(properties, "mycelium", true);
+			betterPodzol = getBoolean(properties, "podzol", true);
+			betterGrassSnow = getBoolean(properties, "grass.snow", true);
+			betterMyceliumSnow = getBoolean(properties, "mycelium.snow", true);
+			betterPodzolSnow = getBoolean(properties, "podzol.snow", true);
+			grassMultilayer = getBoolean(properties, "grass.multilayer", false);
+			spriteGrass = registerSprite(properties, "texture.grass", "blocks/grass_top", textureMap);
+			spriteGrassSide = registerSprite(properties, "texture.grass_side", "blocks/grass_side", textureMap);
+			spriteMycelium = registerSprite(properties, "texture.mycelium", "blocks/mycelium_top", textureMap);
+			spritePodzol = registerSprite(properties, "texture.podzol", "blocks/dirt_podzol_top", textureMap);
+			spriteSnow = registerSprite(properties, "texture.snow", "blocks/snow", textureMap);
+		} catch (IOException ioexception) {
+			Config.warn(
+					"Error reading: " + s + ", " + ioexception.getClass().getName() + ": " + ioexception.getMessage());
+		}
+	}
+
+	private static EaglerTextureAtlasSprite registerSprite(Properties props, String key, String textureDefault,
+			TextureMap textureMap) {
+		String s = props.getProperty(key);
+
+		if (s == null) {
+			s = textureDefault;
+		}
+
+//		ResourceLocation resourcelocation = new ResourceLocation("textures/" + s + ".png");
+//
+//		if (!Config.hasResource(resourcelocation)) {
+//			Config.warn("BetterGrass texture not found: " + resourcelocation);
+//			s = textureDefault;
+//		}
+
+		ResourceLocation resourcelocation1 = new ResourceLocation(s);
+		EaglerTextureAtlasSprite textureatlassprite = textureMap.registerSprite(resourcelocation1, key);
+		return textureatlassprite;
+	}
+
+	public static List getFaceQuads(IBlockAccess blockAccess, IBlockState blockState, BlockPos blockPos,
+			EnumFacing facing, List quads) {
+		if (facing != EnumFacing.UP && facing != EnumFacing.DOWN) {
+			if (!modelsLoaded) {
+				return quads;
+			} else {
+				Block block = blockState.getBlock();
+				return block instanceof BlockMycelium
+						? getFaceQuadsMycelium(blockAccess, blockState, blockPos, facing, quads)
+						: (block instanceof BlockDirt
+								? getFaceQuadsDirt(blockAccess, blockState, blockPos, facing, quads)
+								: (block instanceof BlockGrass
+										? getFaceQuadsGrass(blockAccess, blockState, blockPos, facing, quads)
+										: quads));
+			}
+		} else {
+			return quads;
+		}
+	}
+
+	private static List getFaceQuadsMycelium(IBlockAccess blockAccess, IBlockState blockState, BlockPos blockPos,
+			EnumFacing facing, List quads) {
+		Block block = blockAccess.getBlockState(blockPos.up()).getBlock();
+		boolean flag = block == Blocks.snow || block == Blocks.snow_layer;
+
+		if (Config.isBetterGrassFancy()) {
+			if (flag) {
+				if (betterMyceliumSnow && getBlockAt(blockPos, facing, blockAccess) == Blocks.snow_layer) {
+					return modelCubeSnow.getFaceQuads(facing);
+				}
+			} else if (betterMycelium && getBlockAt(blockPos.down(), facing, blockAccess) == Blocks.mycelium) {
+				return modelCubeMycelium.getFaceQuads(facing);
+			}
+		} else if (flag) {
+			if (betterMyceliumSnow) {
+				return modelCubeSnow.getFaceQuads(facing);
+			}
+		} else if (betterMycelium) {
+			return modelCubeMycelium.getFaceQuads(facing);
+		}
+
+		return quads;
+	}
+
+	private static List getFaceQuadsDirt(IBlockAccess blockAccess, IBlockState blockState, BlockPos blockPos,
+			EnumFacing facing, List quads) {
+		Block block = getBlockAt(blockPos, EnumFacing.UP, blockAccess);
+
+		if (blockState.getValue(BlockDirt.VARIANT) != BlockDirt.DirtType.PODZOL) {
+			return quads;
+		} else {
+			boolean flag = block == Blocks.snow || block == Blocks.snow_layer;
+
+			if (Config.isBetterGrassFancy()) {
+				if (flag) {
+					if (betterPodzolSnow && getBlockAt(blockPos, facing, blockAccess) == Blocks.snow_layer) {
+						return modelCubeSnow.getFaceQuads(facing);
+					}
+				} else if (betterPodzol) {
+					BlockPos blockpos = blockPos.down().offset(facing);
+					IBlockState iblockstate = blockAccess.getBlockState(blockpos);
+
+					if (iblockstate.getBlock() == Blocks.dirt
+							&& iblockstate.getValue(BlockDirt.VARIANT) == BlockDirt.DirtType.PODZOL) {
+						return modelCubePodzol.getFaceQuads(facing);
+					}
+				}
+			} else if (flag) {
+				if (betterPodzolSnow) {
+					return modelCubeSnow.getFaceQuads(facing);
+				}
+			} else if (betterPodzol) {
+				return modelCubePodzol.getFaceQuads(facing);
+			}
+
+			return quads;
+		}
+	}
+
+	private static List getFaceQuadsGrass(IBlockAccess blockAccess, IBlockState blockState, BlockPos blockPos,
+			EnumFacing facing, List quads) {
+		Block block = blockAccess.getBlockState(blockPos.up()).getBlock();
+		boolean flag = block == Blocks.snow || block == Blocks.snow_layer;
+
+		if (Config.isBetterGrassFancy()) {
+			if (flag) {
+				if (betterGrassSnow && getBlockAt(blockPos, facing, blockAccess) == Blocks.snow_layer) {
+					return modelCubeSnow.getFaceQuads(facing);
+				}
+			} else if (betterGrass && getBlockAt(blockPos.down(), facing, blockAccess) == Blocks.grass) {
+				return modelCubeGrass.getFaceQuads(facing);
+			}
+		} else if (flag) {
+			if (betterGrassSnow) {
+				return modelCubeSnow.getFaceQuads(facing);
+			}
+		} else if (betterGrass) {
+			return modelCubeGrass.getFaceQuads(facing);
+		}
+
+		return quads;
+	}
+
+	private static Block getBlockAt(BlockPos blockPos, EnumFacing facing, IBlockAccess blockAccess) {
+		BlockPos blockpos = blockPos.offset(facing);
+		Block block = blockAccess.getBlockState(blockpos).getBlock();
+		return block;
+	}
+
+	private static boolean getBoolean(Properties props, String key, boolean def) {
+		String s = props.getProperty(key);
+		return s == null ? def : Boolean.parseBoolean(s);
+	}
+}

sources/main/java/net/optifine/BetterSnow.java

@@ -0,0 +1,91 @@
+package net.optifine;
+
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockBush;
+import net.minecraft.block.BlockDoublePlant;
+import net.minecraft.block.BlockFence;
+import net.minecraft.block.BlockFenceGate;
+import net.minecraft.block.BlockFlower;
+import net.minecraft.block.BlockFlowerPot;
+import net.minecraft.block.BlockLever;
+import net.minecraft.block.BlockMushroom;
+import net.minecraft.block.BlockPane;
+import net.minecraft.block.BlockRedstoneTorch;
+import net.minecraft.block.BlockReed;
+import net.minecraft.block.BlockSapling;
+import net.minecraft.block.BlockSnow;
+import net.minecraft.block.BlockTallGrass;
+import net.minecraft.block.BlockTorch;
+import net.minecraft.block.BlockWall;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.resources.model.IBakedModel;
+import net.minecraft.init.Blocks;
+import net.minecraft.util.BlockPos;
+import net.minecraft.util.EnumFacing;
+import net.minecraft.world.IBlockAccess;
+
+public class BetterSnow {
+	private static IBakedModel modelSnowLayer = null;
+
+	public static void update() {
+		modelSnowLayer = Minecraft.getMinecraft().getBlockRendererDispatcher().getBlockModelShapes()
+				.getModelForState(Blocks.snow_layer.getDefaultState());
+	}
+
+	public static IBakedModel getModelSnowLayer() {
+		return modelSnowLayer;
+	}
+
+	public static IBlockState getStateSnowLayer() {
+		return Blocks.snow_layer.getDefaultState();
+	}
+
+	public static boolean shouldRender(IBlockAccess blockAccess, IBlockState blockState, BlockPos blockPos) {
+		Block block = blockState.getBlock();
+		return !checkBlock(block, blockState) ? false : hasSnowNeighbours(blockAccess, blockPos);
+	}
+
+	private static boolean hasSnowNeighbours(IBlockAccess blockAccess, BlockPos pos) {
+		Block block = Blocks.snow_layer;
+		return blockAccess.getBlockState(pos.north()).getBlock() != block
+				&& blockAccess.getBlockState(pos.south()).getBlock() != block
+				&& blockAccess.getBlockState(pos.west()).getBlock() != block
+				&& blockAccess.getBlockState(pos.east()).getBlock() != block ? false
+						: blockAccess.getBlockState(pos.down()).getBlock().isOpaqueCube();
+	}
+
+	private static boolean checkBlock(Block block, IBlockState blockState) {
+		if (block.isFullCube()) {
+			return false;
+		} else if (block.isOpaqueCube()) {
+			return false;
+		} else if (block instanceof BlockSnow) {
+			return false;
+		} else if (!(block instanceof BlockBush) || !(block instanceof BlockDoublePlant)
+				&& !(block instanceof BlockFlower) && !(block instanceof BlockMushroom)
+				&& !(block instanceof BlockSapling) && !(block instanceof BlockTallGrass)) {
+			if (!(block instanceof BlockFence) && !(block instanceof BlockFenceGate)
+					&& !(block instanceof BlockFlowerPot) && !(block instanceof BlockPane)
+					&& !(block instanceof BlockReed) && !(block instanceof BlockWall)) {
+				if (block instanceof BlockRedstoneTorch && blockState.getValue(BlockTorch.FACING) == EnumFacing.UP) {
+					return true;
+				} else {
+					if (block instanceof BlockLever) {
+						Object object = blockState.getValue(BlockLever.FACING);
+
+						if (object == BlockLever.EnumOrientation.UP_X || object == BlockLever.EnumOrientation.UP_Z) {
+							return true;
+						}
+					}
+
+					return false;
+				}
+			} else {
+				return true;
+			}
+		} else {
+			return true;
+		}
+	}
+}

sources/main/java/net/optifine/BlockDir.java

@@ -0,0 +1,78 @@
+package net.optifine;
+
+import net.minecraft.util.BlockPos;
+import net.minecraft.util.EnumFacing;
+
+public enum BlockDir {
+	DOWN(EnumFacing.DOWN), UP(EnumFacing.UP), NORTH(EnumFacing.NORTH), SOUTH(EnumFacing.SOUTH), WEST(EnumFacing.WEST),
+	EAST(EnumFacing.EAST), NORTH_WEST(EnumFacing.NORTH, EnumFacing.WEST), NORTH_EAST(EnumFacing.NORTH, EnumFacing.EAST),
+	SOUTH_WEST(EnumFacing.SOUTH, EnumFacing.WEST), SOUTH_EAST(EnumFacing.SOUTH, EnumFacing.EAST),
+	DOWN_NORTH(EnumFacing.DOWN, EnumFacing.NORTH), DOWN_SOUTH(EnumFacing.DOWN, EnumFacing.SOUTH),
+	UP_NORTH(EnumFacing.UP, EnumFacing.NORTH), UP_SOUTH(EnumFacing.UP, EnumFacing.SOUTH),
+	DOWN_WEST(EnumFacing.DOWN, EnumFacing.WEST), DOWN_EAST(EnumFacing.DOWN, EnumFacing.EAST),
+	UP_WEST(EnumFacing.UP, EnumFacing.WEST), UP_EAST(EnumFacing.UP, EnumFacing.EAST);
+
+	private EnumFacing facing1;
+	private EnumFacing facing2;
+
+	private BlockDir(EnumFacing facing1) {
+		this.facing1 = facing1;
+	}
+
+	private BlockDir(EnumFacing facing1, EnumFacing facing2) {
+		this.facing1 = facing1;
+		this.facing2 = facing2;
+	}
+
+	public EnumFacing getFacing1() {
+		return this.facing1;
+	}
+
+	public EnumFacing getFacing2() {
+		return this.facing2;
+	}
+
+	BlockPos offset(BlockPos pos) {
+		pos = pos.offset(this.facing1, 1);
+
+		if (this.facing2 != null) {
+			pos = pos.offset(this.facing2, 1);
+		}
+
+		return pos;
+	}
+
+	public int getOffsetX() {
+		int i = this.facing1.getFrontOffsetX();
+
+		if (this.facing2 != null) {
+			i += this.facing2.getFrontOffsetX();
+		}
+
+		return i;
+	}
+
+	public int getOffsetY() {
+		int i = this.facing1.getFrontOffsetY();
+
+		if (this.facing2 != null) {
+			i += this.facing2.getFrontOffsetY();
+		}
+
+		return i;
+	}
+
+	public int getOffsetZ() {
+		int i = this.facing1.getFrontOffsetZ();
+
+		if (this.facing2 != null) {
+			i += this.facing2.getFrontOffsetZ();
+		}
+
+		return i;
+	}
+
+	public boolean isDouble() {
+		return this.facing2 != null;
+	}
+}

sources/main/java/net/optifine/Config.java

@@ -0,0 +1,339 @@
+package net.optifine;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.StringTokenizer;
+
+import net.lax1dude.eaglercraft.v1_8.log4j.LogManager;
+import net.lax1dude.eaglercraft.v1_8.log4j.Logger;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.resources.DefaultResourcePack;
+import net.minecraft.client.resources.IResourcePack;
+import net.minecraft.client.resources.ResourcePackRepository;
+import net.minecraft.client.settings.GameSettings;
+import net.minecraft.util.BlockPos;
+import net.minecraft.util.ResourceLocation;
+import net.optifine.util.TextureUtils;
+
+public class Config {
+
+	private static final Logger logger = LogManager.getLogger("OptiFine");
+
+	private static Minecraft mc;
+	private static GameSettings gameSettings;
+
+	public static void setGameObj(Minecraft mc) {
+		Config.mc = mc;
+		Config.gameSettings = mc.gameSettings;
+	}
+
+	public static String[] tokenize(String p_tokenize_0_, String p_tokenize_1_) {
+		StringTokenizer stringtokenizer = new StringTokenizer(p_tokenize_0_, p_tokenize_1_);
+		List list = new ArrayList();
+
+		while (stringtokenizer.hasMoreTokens()) {
+			String s = stringtokenizer.nextToken();
+			list.add(s);
+		}
+
+		String[] astring = (String[]) list.toArray(new String[list.size()]);
+		return astring;
+	}
+
+	public static boolean isCustomSky() {
+		return gameSettings.customSkyOF;
+	}
+
+	public static boolean isBetterGrass() {
+		return gameSettings.betterGrassOF != 0;
+	}
+
+	public static boolean isBetterGrassFancy() {
+		return gameSettings.betterGrassOF == 2;
+	}
+
+	public static boolean isBetterSnow() {
+		return gameSettings.betterGrassOF != 0;
+	}
+
+	public static boolean isConnectedTextures() {
+		return gameSettings.connectedTexturesOF != 0;
+	}
+
+	public static boolean isConnectedTexturesFancy() {
+		return gameSettings.connectedTexturesOF == 2;
+	}
+
+	public static boolean isTreesFancy() {
+		return gameSettings.fancyGraphics;
+	}
+
+	public static boolean isTreesSmart() {
+		return gameSettings.fancyGraphics && gameSettings.smartLeavesOF;
+	}
+
+	public static boolean isCullFacesLeaves() {
+		return !gameSettings.fancyGraphics;
+	}
+
+	public static boolean isCustomItems() {
+		return gameSettings.customItemsOF;
+	}
+
+	public static void dbg(String string) {
+		logger.debug(string);
+	}
+
+	public static void warn(String string) {
+		logger.warn(string);
+	}
+
+	public static void error(String string) {
+		logger.error(string);
+	}
+
+	public static int limit(int p_limit_0_, int p_limit_1_, int p_limit_2_) {
+		return p_limit_0_ < p_limit_1_ ? p_limit_1_ : (p_limit_0_ > p_limit_2_ ? p_limit_2_ : p_limit_0_);
+	}
+
+	public static float limit(float p_limit_0_, float p_limit_1_, float p_limit_2_) {
+		return p_limit_0_ < p_limit_1_ ? p_limit_1_ : (p_limit_0_ > p_limit_2_ ? p_limit_2_ : p_limit_0_);
+	}
+
+	public static double limit(double p_limit_0_, double p_limit_2_, double p_limit_4_) {
+		return p_limit_0_ < p_limit_2_ ? p_limit_2_ : (p_limit_0_ > p_limit_4_ ? p_limit_4_ : p_limit_0_);
+	}
+
+	public static int parseInt(String p_parseInt_0_, int p_parseInt_1_) {
+		try {
+			if (p_parseInt_0_ == null) {
+				return p_parseInt_1_;
+			} else {
+				p_parseInt_0_ = p_parseInt_0_.trim();
+				return Integer.parseInt(p_parseInt_0_);
+			}
+		} catch (NumberFormatException var3) {
+			return p_parseInt_1_;
+		}
+	}
+
+	public static float parseFloat(String p_parseFloat_0_, float p_parseFloat_1_) {
+		try {
+			if (p_parseFloat_0_ == null) {
+				return p_parseFloat_1_;
+			} else {
+				p_parseFloat_0_ = p_parseFloat_0_.trim();
+				return Float.parseFloat(p_parseFloat_0_);
+			}
+		} catch (NumberFormatException var3) {
+			return p_parseFloat_1_;
+		}
+	}
+
+	public static boolean parseBoolean(String p_parseBoolean_0_, boolean p_parseBoolean_1_) {
+		try {
+			if (p_parseBoolean_0_ == null) {
+				return p_parseBoolean_1_;
+			} else {
+				p_parseBoolean_0_ = p_parseBoolean_0_.trim();
+				return Boolean.parseBoolean(p_parseBoolean_0_);
+			}
+		} catch (NumberFormatException var3) {
+			return p_parseBoolean_1_;
+		}
+	}
+
+	public static int[] addIntToArray(int[] p_addIntToArray_0_, int p_addIntToArray_1_) {
+		if (p_addIntToArray_0_ != null) {
+			int[] ret = new int[p_addIntToArray_0_.length + 1];
+			System.arraycopy(p_addIntToArray_0_, 0, ret, 0, p_addIntToArray_0_.length);
+			ret[p_addIntToArray_0_.length] = p_addIntToArray_1_;
+			return ret;
+		} else {
+			throw new NullPointerException("The given array is NULL");
+		}
+	}
+
+	public static int[] addIntsToArray(int[] p_addIntsToArray_0_, int[] p_addIntsToArray_1_) {
+		if (p_addIntsToArray_0_ != null && p_addIntsToArray_1_ != null) {
+			int i = p_addIntsToArray_0_.length;
+			int j = i + p_addIntsToArray_1_.length;
+			int[] aint = new int[j];
+			System.arraycopy(p_addIntsToArray_0_, 0, aint, 0, i);
+
+			for (int k = 0; k < p_addIntsToArray_1_.length; ++k) {
+				aint[k + i] = p_addIntsToArray_1_[k];
+			}
+
+			return aint;
+		} else {
+			throw new NullPointerException("The given array is NULL");
+		}
+	}
+
+	public static String arrayToString(Object[] p_arrayToString_0_) {
+		return arrayToString(p_arrayToString_0_, ", ");
+	}
+
+	public static String arrayToString(Object[] p_arrayToString_0_, String p_arrayToString_1_) {
+		if (p_arrayToString_0_ == null) {
+			return "";
+		} else {
+			StringBuffer stringbuffer = new StringBuffer(p_arrayToString_0_.length * 5);
+
+			for (int i = 0; i < p_arrayToString_0_.length; ++i) {
+				Object object = p_arrayToString_0_[i];
+
+				if (i > 0) {
+					stringbuffer.append(p_arrayToString_1_);
+				}
+
+				stringbuffer.append(String.valueOf(object));
+			}
+
+			return stringbuffer.toString();
+		}
+	}
+
+	public static String arrayToString(int[] p_arrayToString_0_) {
+		return arrayToString(p_arrayToString_0_, ", ");
+	}
+
+	public static String arrayToString(int[] p_arrayToString_0_, String p_arrayToString_1_) {
+		if (p_arrayToString_0_ == null) {
+			return "";
+		} else {
+			StringBuffer stringbuffer = new StringBuffer(p_arrayToString_0_.length * 5);
+
+			for (int i = 0; i < p_arrayToString_0_.length; ++i) {
+				int j = p_arrayToString_0_[i];
+
+				if (i > 0) {
+					stringbuffer.append(p_arrayToString_1_);
+				}
+
+				stringbuffer.append(String.valueOf(j));
+			}
+
+			return stringbuffer.toString();
+		}
+	}
+
+	public static int[] toPrimitive(Integer[] p_toPrimitive_0_) {
+		if (p_toPrimitive_0_ == null) {
+			return null;
+		} else if (p_toPrimitive_0_.length == 0) {
+			return new int[0];
+		} else {
+			int[] aint = new int[p_toPrimitive_0_.length];
+
+			for (int i = 0; i < aint.length; ++i) {
+				aint[i] = p_toPrimitive_0_[i].intValue();
+			}
+
+			return aint;
+		}
+	}
+
+	public static boolean isSameOne(Object p_isSameOne_0_, Object[] p_isSameOne_1_) {
+		if (p_isSameOne_1_ == null) {
+			return false;
+		} else {
+			for (int i = 0; i < p_isSameOne_1_.length; ++i) {
+				Object object = p_isSameOne_1_[i];
+
+				if (p_isSameOne_0_ == object) {
+					return true;
+				}
+			}
+
+			return false;
+		}
+	}
+
+	public static boolean equals(Object p_equals_0_, Object p_equals_1_) {
+		return p_equals_0_ == p_equals_1_ ? true : (p_equals_0_ == null ? false : p_equals_0_.equals(p_equals_1_));
+	}
+
+	public static boolean isFromDefaultResourcePack(ResourceLocation p_isFromDefaultResourcePack_0_) {
+		IResourcePack iresourcepack = getDefiningResourcePack(p_isFromDefaultResourcePack_0_);
+		return iresourcepack == mc.getDefaultResourcePack();
+	}
+
+	public static IResourcePack getDefiningResourcePack(ResourceLocation p_getDefiningResourcePack_0_) {
+		ResourcePackRepository resourcepackrepository = mc.getResourcePackRepository();
+		IResourcePack iresourcepack = resourcepackrepository.getResourcePackInstance();
+
+		if (iresourcepack != null && iresourcepack.resourceExists(p_getDefiningResourcePack_0_)) {
+			return iresourcepack;
+		} else {
+			List<ResourcePackRepository.Entry> list = resourcepackrepository.getRepositoryEntries();
+
+			for (int i = list.size() - 1; i >= 0; --i) {
+				ResourcePackRepository.Entry resourcepackrepository$entry = (ResourcePackRepository.Entry) list.get(i);
+				IResourcePack iresourcepack1 = resourcepackrepository$entry.getResourcePack();
+
+				if (iresourcepack1.resourceExists(p_getDefiningResourcePack_0_)) {
+					return iresourcepack1;
+				}
+			}
+
+			DefaultResourcePack res = mc.getDefaultResourcePack();
+			if (res.resourceExists(p_getDefiningResourcePack_0_)) {
+				return res;
+			} else {
+				return null;
+			}
+		}
+	}
+
+	public static boolean hasResource(ResourceLocation p_hasResource_0_) {
+		if (p_hasResource_0_ == null) {
+			return false;
+		} else {
+			IResourcePack iresourcepack = getDefiningResourcePack(p_hasResource_0_);
+			return iresourcepack != null;
+		}
+	}
+
+	public static IResourcePack[] getResourcePacks() {
+		ResourcePackRepository resourcepackrepository = mc.getResourcePackRepository();
+		List list = resourcepackrepository.getRepositoryEntries();
+		List list1 = new ArrayList();
+
+		for (Object resourcepackrepository$entry0 : list) {
+			ResourcePackRepository.Entry resourcepackrepository$entry = (ResourcePackRepository.Entry) resourcepackrepository$entry0;
+			list1.add(resourcepackrepository$entry.getResourcePack());
+		}
+
+		if (resourcepackrepository.getResourcePackInstance() != null) {
+			list1.add(resourcepackrepository.getResourcePackInstance());
+		}
+
+		IResourcePack[] airesourcepack = (IResourcePack[]) ((IResourcePack[]) list1
+				.toArray(new IResourcePack[list1.size()]));
+		return airesourcepack;
+	}
+
+	public static int intHash(int p_intHash_0_) {
+		p_intHash_0_ = p_intHash_0_ ^ 61 ^ p_intHash_0_ >> 16;
+		p_intHash_0_ = p_intHash_0_ + (p_intHash_0_ << 3);
+		p_intHash_0_ = p_intHash_0_ ^ p_intHash_0_ >> 4;
+		p_intHash_0_ = p_intHash_0_ * 668265261;
+		p_intHash_0_ = p_intHash_0_ ^ p_intHash_0_ >> 15;
+		return p_intHash_0_;
+	}
+
+	public static int getRandom(BlockPos p_getRandom_0_, int p_getRandom_1_) {
+		int i = intHash(p_getRandom_1_ + 37);
+		i = intHash(i + p_getRandom_0_.getX());
+		i = intHash(i + p_getRandom_0_.getZ());
+		i = intHash(i + p_getRandom_0_.getY());
+		return i;
+	}
+
+	public static void frameInitHook() {
+		TextureUtils.registerResourceListener();
+	}
+
+}

sources/main/java/net/optifine/ConnectedProperties.java

@@ -0,0 +1,993 @@
+package net.optifine;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Properties;
+import java.util.function.Function;
+
+import net.lax1dude.eaglercraft.v1_8.minecraft.EaglerTextureAtlasSprite;
+import net.minecraft.block.Block;
+import net.minecraft.block.properties.IProperty;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.texture.TextureMap;
+import net.minecraft.init.Blocks;
+import net.minecraft.util.EnumWorldBlockLayer;
+import net.minecraft.util.ResourceLocation;
+import net.minecraft.world.biome.BiomeGenBase;
+import net.optifine.config.ConnectedParser;
+import net.optifine.config.MatchBlock;
+import net.optifine.config.Matches;
+import net.optifine.config.NbtTagValue;
+import net.optifine.config.RangeInt;
+import net.optifine.config.RangeListInt;
+import net.optifine.util.MathUtils;
+import net.optifine.util.TextureUtils;
+
+public class ConnectedProperties {
+	public String name = null;
+	public String basePath = null;
+	public MatchBlock[] matchBlocks = null;
+	public int[] metadatas = null;
+	public String[] matchTiles = null;
+	public int method = 0;
+	public String[] tiles = null;
+	public int connect = 0;
+	public int faces = 63;
+	public BiomeGenBase[] biomes = null;
+	public RangeListInt heights = null;
+	public int renderPass = 0;
+	public boolean innerSeams = false;
+	public int[] ctmTileIndexes = null;
+	public int width = 0;
+	public int height = 0;
+	public int[] weights = null;
+	public int randomLoops = 0;
+	public int symmetry = 1;
+	public boolean linked = false;
+	public NbtTagValue nbtName = null;
+	public int[] sumWeights = null;
+	public int sumAllWeights = 1;
+	public EaglerTextureAtlasSprite[] matchTileIcons = null;
+	public EaglerTextureAtlasSprite[] tileIcons = null;
+	public MatchBlock[] connectBlocks = null;
+	public String[] connectTiles = null;
+	public EaglerTextureAtlasSprite[] connectTileIcons = null;
+	public int tintIndex = -1;
+	public IBlockState tintBlockState = Blocks.air.getDefaultState();
+	public EnumWorldBlockLayer layer = null;
+	public static final int METHOD_NONE = 0;
+	public static final int METHOD_CTM = 1;
+	public static final int METHOD_HORIZONTAL = 2;
+	public static final int METHOD_TOP = 3;
+	public static final int METHOD_RANDOM = 4;
+	public static final int METHOD_REPEAT = 5;
+	public static final int METHOD_VERTICAL = 6;
+	public static final int METHOD_FIXED = 7;
+	public static final int METHOD_HORIZONTAL_VERTICAL = 8;
+	public static final int METHOD_VERTICAL_HORIZONTAL = 9;
+	public static final int METHOD_CTM_COMPACT = 10;
+	public static final int METHOD_OVERLAY = 11;
+	public static final int METHOD_OVERLAY_FIXED = 12;
+	public static final int METHOD_OVERLAY_RANDOM = 13;
+	public static final int METHOD_OVERLAY_REPEAT = 14;
+	public static final int METHOD_OVERLAY_CTM = 15;
+	public static final int CONNECT_NONE = 0;
+	public static final int CONNECT_BLOCK = 1;
+	public static final int CONNECT_TILE = 2;
+	public static final int CONNECT_MATERIAL = 3;
+	public static final int CONNECT_UNKNOWN = 128;
+	public static final int FACE_BOTTOM = 1;
+	public static final int FACE_TOP = 2;
+	public static final int FACE_NORTH = 4;
+	public static final int FACE_SOUTH = 8;
+	public static final int FACE_WEST = 16;
+	public static final int FACE_EAST = 32;
+	public static final int FACE_SIDES = 60;
+	public static final int FACE_ALL = 63;
+	public static final int FACE_UNKNOWN = 128;
+	public static final int SYMMETRY_NONE = 1;
+	public static final int SYMMETRY_OPPOSITE = 2;
+	public static final int SYMMETRY_ALL = 6;
+	public static final int SYMMETRY_UNKNOWN = 128;
+	public static final String TILE_SKIP_PNG = "<skip>.png";
+	public static final String TILE_DEFAULT_PNG = "<default>.png";
+
+	public ConnectedProperties(Properties props, String path) {
+		ConnectedParser connectedparser = new ConnectedParser("ConnectedTextures");
+		this.name = connectedparser.parseName(path);
+		this.basePath = connectedparser.parseBasePath(path);
+		this.matchBlocks = connectedparser.parseMatchBlocks(props.getProperty("matchBlocks"));
+		this.metadatas = connectedparser.parseIntList(props.getProperty("metadata"));
+		this.matchTiles = this.parseMatchTiles(props.getProperty("matchTiles"));
+		this.method = parseMethod(props.getProperty("method"));
+		this.tiles = this.parseTileNames(props.getProperty("tiles"));
+		this.connect = parseConnect(props.getProperty("connect"));
+		this.faces = parseFaces(props.getProperty("faces"));
+		this.biomes = connectedparser.parseBiomes(props.getProperty("biomes"));
+		this.heights = connectedparser.parseRangeListInt(props.getProperty("heights"));
+
+		if (this.heights == null) {
+			int i = connectedparser.parseInt(props.getProperty("minHeight"), -1);
+			int j = connectedparser.parseInt(props.getProperty("maxHeight"), 1024);
+
+			if (i != -1 || j != 1024) {
+				this.heights = new RangeListInt(new RangeInt(i, j));
+			}
+		}
+
+		this.renderPass = connectedparser.parseInt(props.getProperty("renderPass"), -1);
+		this.innerSeams = connectedparser.parseBoolean(props.getProperty("innerSeams"), false);
+		this.ctmTileIndexes = this.parseCtmTileIndexes(props);
+		this.width = connectedparser.parseInt(props.getProperty("width"), -1);
+		this.height = connectedparser.parseInt(props.getProperty("height"), -1);
+		this.weights = connectedparser.parseIntList(props.getProperty("weights"));
+		this.randomLoops = connectedparser.parseInt(props.getProperty("randomLoops"), 0);
+		this.symmetry = parseSymmetry(props.getProperty("symmetry"));
+		this.linked = connectedparser.parseBoolean(props.getProperty("linked"), false);
+		this.nbtName = connectedparser.parseNbtTagValue("name", props.getProperty("name"));
+		this.connectBlocks = connectedparser.parseMatchBlocks(props.getProperty("connectBlocks"));
+		this.connectTiles = this.parseMatchTiles(props.getProperty("connectTiles"));
+		this.tintIndex = connectedparser.parseInt(props.getProperty("tintIndex"), -1);
+		this.tintBlockState = connectedparser.parseBlockState(props.getProperty("tintBlock"),
+				Blocks.air.getDefaultState());
+		this.layer = connectedparser.parseBlockRenderLayer(props.getProperty("layer"),
+				EnumWorldBlockLayer.CUTOUT_MIPPED);
+	}
+
+	private int[] parseCtmTileIndexes(Properties props) {
+		if (this.tiles == null) {
+			return null;
+		} else {
+			Map<Integer, Integer> map = new HashMap();
+
+			for (Object object : props.keySet()) {
+				if (object instanceof String) {
+					String s = (String) object;
+					String s1 = "ctm.";
+
+					if (s.startsWith(s1)) {
+						String s2 = s.substring(s1.length());
+						String s3 = props.getProperty(s);
+
+						if (s3 != null) {
+							s3 = s3.trim();
+							int i = Config.parseInt(s2, -1);
+
+							if (i >= 0 && i <= 46) {
+								int j = Config.parseInt(s3, -1);
+
+								if (j >= 0 && j < this.tiles.length) {
+									map.put(Integer.valueOf(i), Integer.valueOf(j));
+								} else {
+									Config.warn("Invalid CTM tile index: " + s3);
+								}
+							} else {
+								Config.warn("Invalid CTM index: " + s2);
+							}
+						}
+					}
+				}
+			}
+
+			if (map.isEmpty()) {
+				return null;
+			} else {
+				int[] aint = new int[47];
+
+				for (int k = 0; k < aint.length; ++k) {
+					aint[k] = -1;
+
+					if (map.containsKey(Integer.valueOf(k))) {
+						aint[k] = ((Integer) map.get(Integer.valueOf(k))).intValue();
+					}
+				}
+
+				return aint;
+			}
+		}
+	}
+
+	private String[] parseMatchTiles(String str) {
+		if (str == null) {
+			return null;
+		} else {
+			String[] astring = Config.tokenize(str, " ");
+
+			for (int i = 0; i < astring.length; ++i) {
+				String s = astring[i];
+
+				if (s.endsWith(".png")) {
+					s = s.substring(0, s.length() - 4);
+				}
+
+				s = TextureUtils.fixResourcePath(s, this.basePath);
+				astring[i] = s;
+			}
+
+			return astring;
+		}
+	}
+
+	private static String parseName(String path) {
+		String s = path;
+		int i = path.lastIndexOf(47);
+
+		if (i >= 0) {
+			s = path.substring(i + 1);
+		}
+
+		int j = s.lastIndexOf(46);
+
+		if (j >= 0) {
+			s = s.substring(0, j);
+		}
+
+		return s;
+	}
+
+	private static String parseBasePath(String path) {
+		int i = path.lastIndexOf(47);
+		return i < 0 ? "" : path.substring(0, i);
+	}
+
+	private String[] parseTileNames(String str) {
+		if (str == null) {
+			return null;
+		} else {
+			List list = new ArrayList();
+			String[] astring = Config.tokenize(str, " ,");
+			label32:
+
+			for (int i = 0; i < astring.length; ++i) {
+				String s = astring[i];
+
+				if (s.contains("-")) {
+					String[] astring1 = Config.tokenize(s, "-");
+
+					if (astring1.length == 2) {
+						int j = Config.parseInt(astring1[0], -1);
+						int k = Config.parseInt(astring1[1], -1);
+
+						if (j >= 0 && k >= 0) {
+							if (j > k) {
+								Config.warn("Invalid interval: " + s + ", when parsing: " + str);
+								continue;
+							}
+
+							int l = j;
+
+							while (true) {
+								if (l > k) {
+									continue label32;
+								}
+
+								list.add(String.valueOf(l));
+								++l;
+							}
+						}
+					}
+				}
+
+				list.add(s);
+			}
+
+			String[] astring2 = (String[]) list.toArray(new String[list.size()]);
+
+			for (int i1 = 0; i1 < astring2.length; ++i1) {
+				String s1 = astring2[i1];
+				s1 = TextureUtils.fixResourcePath(s1, this.basePath);
+
+				if (!s1.startsWith(this.basePath) && !s1.startsWith("textures/") && !s1.startsWith("mcpatcher/")) {
+					s1 = this.basePath + "/" + s1;
+				}
+
+				if (s1.endsWith(".png")) {
+					s1 = s1.substring(0, s1.length() - 4);
+				}
+
+				if (s1.startsWith("/")) {
+					s1 = s1.substring(1);
+				}
+
+				astring2[i1] = s1;
+			}
+
+			return astring2;
+		}
+	}
+
+	private static int parseSymmetry(String str) {
+		if (str == null) {
+			return 1;
+		} else {
+			str = str.trim();
+
+			if (str.equals("opposite")) {
+				return 2;
+			} else if (str.equals("all")) {
+				return 6;
+			} else {
+				Config.warn("Unknown symmetry: " + str);
+				return 1;
+			}
+		}
+	}
+
+	private static int parseFaces(String str) {
+		if (str == null) {
+			return 63;
+		} else {
+			String[] astring = Config.tokenize(str, " ,");
+			int i = 0;
+
+			for (int j = 0; j < astring.length; ++j) {
+				String s = astring[j];
+				int k = parseFace(s);
+				i |= k;
+			}
+
+			return i;
+		}
+	}
+
+	private static int parseFace(String str) {
+		str = str.toLowerCase();
+
+		if (!str.equals("bottom") && !str.equals("down")) {
+			if (!str.equals("top") && !str.equals("up")) {
+				if (str.equals("north")) {
+					return 4;
+				} else if (str.equals("south")) {
+					return 8;
+				} else if (str.equals("east")) {
+					return 32;
+				} else if (str.equals("west")) {
+					return 16;
+				} else if (str.equals("sides")) {
+					return 60;
+				} else if (str.equals("all")) {
+					return 63;
+				} else {
+					Config.warn("Unknown face: " + str);
+					return 128;
+				}
+			} else {
+				return 2;
+			}
+		} else {
+			return 1;
+		}
+	}
+
+	private static int parseConnect(String str) {
+		if (str == null) {
+			return 0;
+		} else {
+			str = str.trim();
+
+			if (str.equals("block")) {
+				return 1;
+			} else if (str.equals("tile")) {
+				return 2;
+			} else if (str.equals("material")) {
+				return 3;
+			} else {
+				Config.warn("Unknown connect: " + str);
+				return 128;
+			}
+		}
+	}
+
+	public static IProperty getProperty(String key, Collection properties) {
+		for (Object iproperty0 : properties) {
+			IProperty iproperty = (IProperty) iproperty0;
+			if (key.equals(iproperty.getName())) {
+				return iproperty;
+			}
+		}
+
+		return null;
+	}
+
+	private static int parseMethod(String str) {
+		if (str == null) {
+			return 1;
+		} else {
+			str = str.trim();
+
+			if (!str.equals("ctm") && !str.equals("glass")) {
+				if (str.equals("ctm_compact")) {
+					return 10;
+				} else if (!str.equals("horizontal") && !str.equals("bookshelf")) {
+					if (str.equals("vertical")) {
+						return 6;
+					} else if (str.equals("top")) {
+						return 3;
+					} else if (str.equals("random")) {
+						return 4;
+					} else if (str.equals("repeat")) {
+						return 5;
+					} else if (str.equals("fixed")) {
+						return 7;
+					} else if (!str.equals("horizontal+vertical") && !str.equals("h+v")) {
+						if (!str.equals("vertical+horizontal") && !str.equals("v+h")) {
+							if (str.equals("overlay")) {
+								return 11;
+							} else if (str.equals("overlay_fixed")) {
+								return 12;
+							} else if (str.equals("overlay_random")) {
+								return 13;
+							} else if (str.equals("overlay_repeat")) {
+								return 14;
+							} else if (str.equals("overlay_ctm")) {
+								return 15;
+							} else {
+								Config.warn("Unknown method: " + str);
+								return 0;
+							}
+						} else {
+							return 9;
+						}
+					} else {
+						return 8;
+					}
+				} else {
+					return 2;
+				}
+			} else {
+				return 1;
+			}
+		}
+	}
+
+	public boolean isValid(String path) {
+		if (this.name != null && this.name.length() > 0) {
+			if (this.basePath == null) {
+				Config.warn("No base path found: " + path);
+				return false;
+			} else {
+				if (this.matchBlocks == null) {
+					this.matchBlocks = this.detectMatchBlocks();
+				}
+
+				if (this.matchTiles == null && this.matchBlocks == null) {
+					this.matchTiles = this.detectMatchTiles();
+				}
+
+				if (this.matchBlocks == null && this.matchTiles == null) {
+					Config.warn("No matchBlocks or matchTiles specified: " + path);
+					return false;
+				} else if (this.method == 0) {
+					Config.warn("No method: " + path);
+					return false;
+				} else if (this.tiles != null && this.tiles.length > 0) {
+					if (this.connect == 0) {
+						this.connect = this.detectConnect();
+					}
+
+					if (this.connect == 128) {
+						Config.warn("Invalid connect in: " + path);
+						return false;
+					} else if (this.renderPass > 0) {
+						Config.warn("Render pass not supported: " + this.renderPass);
+						return false;
+					} else if ((this.faces & 128) != 0) {
+						Config.warn("Invalid faces in: " + path);
+						return false;
+					} else if ((this.symmetry & 128) != 0) {
+						Config.warn("Invalid symmetry in: " + path);
+						return false;
+					} else {
+						switch (this.method) {
+						case 1:
+							return this.isValidCtm(path);
+
+						case 2:
+							return this.isValidHorizontal(path);
+
+						case 3:
+							return this.isValidTop(path);
+
+						case 4:
+							return this.isValidRandom(path);
+
+						case 5:
+							return this.isValidRepeat(path);
+
+						case 6:
+							return this.isValidVertical(path);
+
+						case 7:
+							return this.isValidFixed(path);
+
+						case 8:
+							return this.isValidHorizontalVertical(path);
+
+						case 9:
+							return this.isValidVerticalHorizontal(path);
+
+						case 10:
+							return this.isValidCtmCompact(path);
+
+						case 11:
+							return this.isValidOverlay(path);
+
+						case 12:
+							return this.isValidOverlayFixed(path);
+
+						case 13:
+							return this.isValidOverlayRandom(path);
+
+						case 14:
+							return this.isValidOverlayRepeat(path);
+
+						case 15:
+							return this.isValidOverlayCtm(path);
+
+						default:
+							Config.warn("Unknown method: " + path);
+							return false;
+						}
+					}
+				} else {
+					Config.warn("No tiles specified: " + path);
+					return false;
+				}
+			}
+		} else {
+			Config.warn("No name found: " + path);
+			return false;
+		}
+	}
+
+	private int detectConnect() {
+		return this.matchBlocks != null ? 1 : (this.matchTiles != null ? 2 : 128);
+	}
+
+	private MatchBlock[] detectMatchBlocks() {
+		int[] aint = this.detectMatchBlockIds();
+
+		if (aint == null) {
+			return null;
+		} else {
+			MatchBlock[] amatchblock = new MatchBlock[aint.length];
+
+			for (int i = 0; i < amatchblock.length; ++i) {
+				amatchblock[i] = new MatchBlock(aint[i]);
+			}
+
+			return amatchblock;
+		}
+	}
+
+	private int[] detectMatchBlockIds() {
+		if (!this.name.startsWith("block")) {
+			return null;
+		} else {
+			int i = "block".length();
+			int j;
+
+			for (j = i; j < this.name.length(); ++j) {
+				char c0 = this.name.charAt(j);
+
+				if (c0 < 48 || c0 > 57) {
+					break;
+				}
+			}
+
+			if (j == i) {
+				return null;
+			} else {
+				String s = this.name.substring(i, j);
+				int k = Config.parseInt(s, -1);
+				return k < 0 ? null : new int[] { k };
+			}
+		}
+	}
+
+	private String[] detectMatchTiles() {
+		EaglerTextureAtlasSprite textureatlassprite = getIcon(this.name);
+		return textureatlassprite == null ? null : new String[] { this.name };
+	}
+
+	private static EaglerTextureAtlasSprite getIcon(String iconName) {
+		TextureMap texturemap = Minecraft.getMinecraft().getTextureMapBlocks();
+		EaglerTextureAtlasSprite textureatlassprite = texturemap.getSpriteSafe(iconName);
+
+		if (textureatlassprite != null) {
+			return textureatlassprite;
+		} else {
+			textureatlassprite = texturemap.getSpriteSafe("blocks/" + iconName);
+			return textureatlassprite;
+		}
+	}
+
+	private boolean isValidCtm(String path) {
+		if (this.tiles == null) {
+			this.tiles = this.parseTileNames("0-11 16-27 32-43 48-58");
+		}
+
+		if (this.tiles.length < 47) {
+			Config.warn("Invalid tiles, must be at least 47: " + path);
+			return false;
+		} else {
+			return true;
+		}
+	}
+
+	private boolean isValidCtmCompact(String path) {
+		if (this.tiles == null) {
+			this.tiles = this.parseTileNames("0-4");
+		}
+
+		if (this.tiles.length < 5) {
+			Config.warn("Invalid tiles, must be at least 5: " + path);
+			return false;
+		} else {
+			return true;
+		}
+	}
+
+	private boolean isValidOverlay(String path) {
+		if (this.tiles == null) {
+			this.tiles = this.parseTileNames("0-16");
+		}
+
+		if (this.tiles.length < 17) {
+			Config.warn("Invalid tiles, must be at least 17: " + path);
+			return false;
+		} else if (this.layer != null && this.layer != EnumWorldBlockLayer.SOLID) {
+			return true;
+		} else {
+			Config.warn("Invalid overlay layer: " + this.layer);
+			return false;
+		}
+	}
+
+	private boolean isValidOverlayFixed(String path) {
+		if (!this.isValidFixed(path)) {
+			return false;
+		} else if (this.layer != null && this.layer != EnumWorldBlockLayer.SOLID) {
+			return true;
+		} else {
+			Config.warn("Invalid overlay layer: " + this.layer);
+			return false;
+		}
+	}
+
+	private boolean isValidOverlayRandom(String path) {
+		if (!this.isValidRandom(path)) {
+			return false;
+		} else if (this.layer != null && this.layer != EnumWorldBlockLayer.SOLID) {
+			return true;
+		} else {
+			Config.warn("Invalid overlay layer: " + this.layer);
+			return false;
+		}
+	}
+
+	private boolean isValidOverlayRepeat(String path) {
+		if (!this.isValidRepeat(path)) {
+			return false;
+		} else if (this.layer != null && this.layer != EnumWorldBlockLayer.SOLID) {
+			return true;
+		} else {
+			Config.warn("Invalid overlay layer: " + this.layer);
+			return false;
+		}
+	}
+
+	private boolean isValidOverlayCtm(String path) {
+		if (!this.isValidCtm(path)) {
+			return false;
+		} else if (this.layer != null && this.layer != EnumWorldBlockLayer.SOLID) {
+			return true;
+		} else {
+			Config.warn("Invalid overlay layer: " + this.layer);
+			return false;
+		}
+	}
+
+	private boolean isValidHorizontal(String path) {
+		if (this.tiles == null) {
+			this.tiles = this.parseTileNames("12-15");
+		}
+
+		if (this.tiles.length != 4) {
+			Config.warn("Invalid tiles, must be exactly 4: " + path);
+			return false;
+		} else {
+			return true;
+		}
+	}
+
+	private boolean isValidVertical(String path) {
+		if (this.tiles == null) {
+			Config.warn("No tiles defined for vertical: " + path);
+			return false;
+		} else if (this.tiles.length != 4) {
+			Config.warn("Invalid tiles, must be exactly 4: " + path);
+			return false;
+		} else {
+			return true;
+		}
+	}
+
+	private boolean isValidHorizontalVertical(String path) {
+		if (this.tiles == null) {
+			Config.warn("No tiles defined for horizontal+vertical: " + path);
+			return false;
+		} else if (this.tiles.length != 7) {
+			Config.warn("Invalid tiles, must be exactly 7: " + path);
+			return false;
+		} else {
+			return true;
+		}
+	}
+
+	private boolean isValidVerticalHorizontal(String path) {
+		if (this.tiles == null) {
+			Config.warn("No tiles defined for vertical+horizontal: " + path);
+			return false;
+		} else if (this.tiles.length != 7) {
+			Config.warn("Invalid tiles, must be exactly 7: " + path);
+			return false;
+		} else {
+			return true;
+		}
+	}
+
+	private boolean isValidRandom(String path) {
+		if (this.tiles != null && this.tiles.length > 0) {
+			if (this.weights != null) {
+				if (this.weights.length > this.tiles.length) {
+					Config.warn("More weights defined than tiles, trimming weights: " + path);
+					int[] aint = new int[this.tiles.length];
+					System.arraycopy(this.weights, 0, aint, 0, aint.length);
+					this.weights = aint;
+				}
+
+				if (this.weights.length < this.tiles.length) {
+					Config.warn("Less weights defined than tiles, expanding weights: " + path);
+					int[] aint1 = new int[this.tiles.length];
+					System.arraycopy(this.weights, 0, aint1, 0, this.weights.length);
+					int i = MathUtils.getAverage(this.weights);
+
+					for (int j = this.weights.length; j < aint1.length; ++j) {
+						aint1[j] = i;
+					}
+
+					this.weights = aint1;
+				}
+
+				this.sumWeights = new int[this.weights.length];
+				int k = 0;
+
+				for (int l = 0; l < this.weights.length; ++l) {
+					k += this.weights[l];
+					this.sumWeights[l] = k;
+				}
+
+				this.sumAllWeights = k;
+
+				if (this.sumAllWeights <= 0) {
+					Config.warn("Invalid sum of all weights: " + k);
+					this.sumAllWeights = 1;
+				}
+			}
+
+			if (this.randomLoops >= 0 && this.randomLoops <= 9) {
+				return true;
+			} else {
+				Config.warn("Invalid randomLoops: " + this.randomLoops);
+				return false;
+			}
+		} else {
+			Config.warn("Tiles not defined: " + path);
+			return false;
+		}
+	}
+
+	private boolean isValidRepeat(String path) {
+		if (this.tiles == null) {
+			Config.warn("Tiles not defined: " + path);
+			return false;
+		} else if (this.width <= 0) {
+			Config.warn("Invalid width: " + path);
+			return false;
+		} else if (this.height <= 0) {
+			Config.warn("Invalid height: " + path);
+			return false;
+		} else if (this.tiles.length != this.width * this.height) {
+			Config.warn("Number of tiles does not equal width x height: " + path);
+			return false;
+		} else {
+			return true;
+		}
+	}
+
+	private boolean isValidFixed(String path) {
+		if (this.tiles == null) {
+			Config.warn("Tiles not defined: " + path);
+			return false;
+		} else if (this.tiles.length != 1) {
+			Config.warn("Number of tiles should be 1 for method: fixed.");
+			return false;
+		} else {
+			return true;
+		}
+	}
+
+	private boolean isValidTop(String path) {
+		if (this.tiles == null) {
+			this.tiles = this.parseTileNames("66");
+		}
+
+		if (this.tiles.length != 1) {
+			Config.warn("Invalid tiles, must be exactly 1: " + path);
+			return false;
+		} else {
+			return true;
+		}
+	}
+
+	public void updateIcons(TextureMap textureMap) {
+		String baseName = null;
+		if (this.matchTiles != null) {
+			this.matchTileIcons = registerIcons(this.matchTiles, null, textureMap, false, false);
+			if(this.matchTiles.length > 0) {
+				baseName = "blocks/" + this.matchTiles[0];
+			}
+		}
+
+		if(baseName == null) {
+			int blockBaseID = -1;
+			int metaBase = -1;
+			if(this.matchBlocks != null && this.matchBlocks.length > 0) {
+				MatchBlock b = this.matchBlocks[0];
+				blockBaseID = b.getBlockId();
+				int[] metas = b.getMetadatas();
+				if(metas != null && metas.length > 0) {
+					metaBase = metas[0];
+				}
+			}
+			if(blockBaseID != -1) {
+				if(metaBase == -1 && this.metadatas != null && this.metadatas.length > 0) {
+					metaBase = this.metadatas[0];
+				}
+				if(metaBase == -1) {
+					metaBase = 0;
+				}
+				baseName = Minecraft.getMinecraft().getModelManager().modelbakerytmp.getBaseTextureForBlockPre(blockBaseID, metaBase);
+			}
+		}
+
+		if (this.connectTiles != null) {
+			this.connectTileIcons = registerIcons(this.connectTiles, baseName, textureMap, false, false);
+		}
+
+		if (this.tiles != null) {
+			this.tileIcons = registerIcons(this.tiles, baseName, textureMap, true, !isMethodOverlay(this.method));
+		}
+	}
+
+	private static boolean isMethodOverlay(int method) {
+		switch (method) {
+		case 11:
+		case 12:
+		case 13:
+		case 14:
+		case 15:
+			return true;
+
+		default:
+			return false;
+		}
+	}
+
+	private static EaglerTextureAtlasSprite[] registerIcons(String[] tileNames, String baseName,
+			TextureMap textureMap, boolean skipTiles, boolean defaultTiles) {
+		if (tileNames == null) {
+			return null;
+		} else {
+			List list = new ArrayList();
+
+			for (int i = 0; i < tileNames.length; ++i) {
+				String s = tileNames[i];
+				ResourceLocation resourcelocation = new ResourceLocation(s);
+				String s1 = resourcelocation.getResourceDomain();
+				String s2 = resourcelocation.getResourcePath();
+
+				if (!s2.contains("/")) {
+					s2 = "textures/blocks/" + s2;
+				}
+
+				String s3 = s2 + ".png";
+
+				if (skipTiles && s3.endsWith("<skip>.png")) {
+					list.add(null);
+				} else if (defaultTiles && s3.endsWith("<default>.png")) {
+					list.add(ConnectedTextures.SPRITE_DEFAULT);
+				} else {
+					ResourceLocation resourcelocation1 = new ResourceLocation(s1, s3);
+					boolean flag = Config.hasResource(resourcelocation1);
+
+					if (!flag) {
+						Config.warn("File not found: " + s3);
+					}
+
+					String s4 = "textures/";
+					String s5 = s2;
+
+					if (s2.startsWith(s4)) {
+						s5 = s2.substring(s4.length());
+					}
+
+					ResourceLocation resourcelocation2 = new ResourceLocation(s1, s5);
+					EaglerTextureAtlasSprite textureatlassprite = textureMap.registerSprite(resourcelocation2, baseName);
+					list.add(textureatlassprite);
+				}
+			}
+
+			EaglerTextureAtlasSprite[] atextureatlassprite = (EaglerTextureAtlasSprite[]) list
+					.toArray(new EaglerTextureAtlasSprite[list.size()]);
+			return atextureatlassprite;
+		}
+	}
+
+	public boolean matchesBlockId(int blockId) {
+		return Matches.blockId(blockId, this.matchBlocks);
+	}
+
+	public boolean matchesBlock(int blockId, int metadata) {
+		return !Matches.block(blockId, metadata, this.matchBlocks) ? false : Matches.metadata(metadata, this.metadatas);
+	}
+
+	public boolean matchesIcon(EaglerTextureAtlasSprite icon) {
+		return Matches.sprite(icon, this.matchTileIcons);
+	}
+
+	public String toString() {
+		return "CTM name: " + this.name + ", basePath: " + this.basePath + ", matchBlocks: "
+				+ Config.arrayToString((Object[]) this.matchBlocks) + ", matchTiles: "
+				+ Config.arrayToString((Object[]) this.matchTiles);
+	}
+
+	public boolean matchesBiome(BiomeGenBase biome) {
+		return Matches.biome(biome, this.biomes);
+	}
+
+	public int getMetadataMax() {
+		int i = -1;
+		i = this.getMax(this.metadatas, i);
+
+		if (this.matchBlocks != null) {
+			for (int j = 0; j < this.matchBlocks.length; ++j) {
+				MatchBlock matchblock = this.matchBlocks[j];
+				i = this.getMax(matchblock.getMetadatas(), i);
+			}
+		}
+
+		return i;
+	}
+
+	private int getMax(int[] mds, int max) {
+		if (mds == null) {
+			return max;
+		} else {
+			for (int i = 0; i < mds.length; ++i) {
+				int j = mds[i];
+
+				if (j > max) {
+					max = j;
+				}
+			}
+
+			return max;
+		}
+	}
+}

sources/main/java/net/optifine/ConnectedTexturesCompact.java

@@ -0,0 +1,450 @@
+package net.optifine;
+
+import java.util.IdentityHashMap;
+import java.util.Map;
+
+import net.lax1dude.eaglercraft.v1_8.minecraft.EaglerTextureAtlasSprite;
+import net.minecraft.client.renderer.block.model.BakedQuad;
+import net.optifine.render.RenderEnv;
+
+public class ConnectedTexturesCompact {
+	private static final int COMPACT_NONE = 0;
+	private static final int COMPACT_ALL = 1;
+	private static final int COMPACT_V = 2;
+	private static final int COMPACT_H = 3;
+	private static final int COMPACT_HV = 4;
+
+	public static BakedQuad[] getConnectedTextureCtmCompact(int ctmIndex, ConnectedProperties cp, int side,
+			BakedQuad quad, RenderEnv renderEnv) {
+		if (cp.ctmTileIndexes != null && ctmIndex >= 0 && ctmIndex < cp.ctmTileIndexes.length) {
+			int i = cp.ctmTileIndexes[ctmIndex];
+
+			if (i >= 0 && i <= cp.tileIcons.length) {
+				return getQuadsCompact(i, cp.tileIcons, quad, renderEnv);
+			}
+		}
+
+		switch (ctmIndex) {
+		case 1:
+			return getQuadsCompactH(0, 3, cp.tileIcons, side, quad, renderEnv);
+
+		case 2:
+			return getQuadsCompact(3, cp.tileIcons, quad, renderEnv);
+
+		case 3:
+			return getQuadsCompactH(3, 0, cp.tileIcons, side, quad, renderEnv);
+
+		case 4:
+			return getQuadsCompact4(0, 3, 2, 4, cp.tileIcons, side, quad, renderEnv);
+
+		case 5:
+			return getQuadsCompact4(3, 0, 4, 2, cp.tileIcons, side, quad, renderEnv);
+
+		case 6:
+			return getQuadsCompact4(2, 4, 2, 4, cp.tileIcons, side, quad, renderEnv);
+
+		case 7:
+			return getQuadsCompact4(3, 3, 4, 4, cp.tileIcons, side, quad, renderEnv);
+
+		case 8:
+			return getQuadsCompact4(4, 1, 4, 4, cp.tileIcons, side, quad, renderEnv);
+
+		case 9:
+			return getQuadsCompact4(4, 4, 4, 1, cp.tileIcons, side, quad, renderEnv);
+
+		case 10:
+			return getQuadsCompact4(1, 4, 1, 4, cp.tileIcons, side, quad, renderEnv);
+
+		case 11:
+			return getQuadsCompact4(1, 1, 4, 4, cp.tileIcons, side, quad, renderEnv);
+
+		case 12:
+			return getQuadsCompactV(0, 2, cp.tileIcons, side, quad, renderEnv);
+
+		case 13:
+			return getQuadsCompact4(0, 3, 2, 1, cp.tileIcons, side, quad, renderEnv);
+
+		case 14:
+			return getQuadsCompactV(3, 1, cp.tileIcons, side, quad, renderEnv);
+
+		case 15:
+			return getQuadsCompact4(3, 0, 1, 2, cp.tileIcons, side, quad, renderEnv);
+
+		case 16:
+			return getQuadsCompact4(2, 4, 0, 3, cp.tileIcons, side, quad, renderEnv);
+
+		case 17:
+			return getQuadsCompact4(4, 2, 3, 0, cp.tileIcons, side, quad, renderEnv);
+
+		case 18:
+			return getQuadsCompact4(4, 4, 3, 3, cp.tileIcons, side, quad, renderEnv);
+
+		case 19:
+			return getQuadsCompact4(4, 2, 4, 2, cp.tileIcons, side, quad, renderEnv);
+
+		case 20:
+			return getQuadsCompact4(1, 4, 4, 4, cp.tileIcons, side, quad, renderEnv);
+
+		case 21:
+			return getQuadsCompact4(4, 4, 1, 4, cp.tileIcons, side, quad, renderEnv);
+
+		case 22:
+			return getQuadsCompact4(4, 4, 1, 1, cp.tileIcons, side, quad, renderEnv);
+
+		case 23:
+			return getQuadsCompact4(4, 1, 4, 1, cp.tileIcons, side, quad, renderEnv);
+
+		case 24:
+			return getQuadsCompact(2, cp.tileIcons, quad, renderEnv);
+
+		case 25:
+			return getQuadsCompactH(2, 1, cp.tileIcons, side, quad, renderEnv);
+
+		case 26:
+			return getQuadsCompact(1, cp.tileIcons, quad, renderEnv);
+
+		case 27:
+			return getQuadsCompactH(1, 2, cp.tileIcons, side, quad, renderEnv);
+
+		case 28:
+			return getQuadsCompact4(2, 4, 2, 1, cp.tileIcons, side, quad, renderEnv);
+
+		case 29:
+			return getQuadsCompact4(3, 3, 1, 4, cp.tileIcons, side, quad, renderEnv);
+
+		case 30:
+			return getQuadsCompact4(2, 1, 2, 4, cp.tileIcons, side, quad, renderEnv);
+
+		case 31:
+			return getQuadsCompact4(3, 3, 4, 1, cp.tileIcons, side, quad, renderEnv);
+
+		case 32:
+			return getQuadsCompact4(1, 1, 1, 4, cp.tileIcons, side, quad, renderEnv);
+
+		case 33:
+			return getQuadsCompact4(1, 1, 4, 1, cp.tileIcons, side, quad, renderEnv);
+
+		case 34:
+			return getQuadsCompact4(4, 1, 1, 4, cp.tileIcons, side, quad, renderEnv);
+
+		case 35:
+			return getQuadsCompact4(1, 4, 4, 1, cp.tileIcons, side, quad, renderEnv);
+
+		case 36:
+			return getQuadsCompactV(2, 0, cp.tileIcons, side, quad, renderEnv);
+
+		case 37:
+			return getQuadsCompact4(2, 1, 0, 3, cp.tileIcons, side, quad, renderEnv);
+
+		case 38:
+			return getQuadsCompactV(1, 3, cp.tileIcons, side, quad, renderEnv);
+
+		case 39:
+			return getQuadsCompact4(1, 2, 3, 0, cp.tileIcons, side, quad, renderEnv);
+
+		case 40:
+			return getQuadsCompact4(4, 1, 3, 3, cp.tileIcons, side, quad, renderEnv);
+
+		case 41:
+			return getQuadsCompact4(1, 2, 4, 2, cp.tileIcons, side, quad, renderEnv);
+
+		case 42:
+			return getQuadsCompact4(1, 4, 3, 3, cp.tileIcons, side, quad, renderEnv);
+
+		case 43:
+			return getQuadsCompact4(4, 2, 1, 2, cp.tileIcons, side, quad, renderEnv);
+
+		case 44:
+			return getQuadsCompact4(1, 4, 1, 1, cp.tileIcons, side, quad, renderEnv);
+
+		case 45:
+			return getQuadsCompact4(4, 1, 1, 1, cp.tileIcons, side, quad, renderEnv);
+
+		case 46:
+			return getQuadsCompact(4, cp.tileIcons, quad, renderEnv);
+
+		default:
+			return getQuadsCompact(0, cp.tileIcons, quad, renderEnv);
+		}
+	}
+
+	private static BakedQuad[] getQuadsCompactH(int indexLeft, int indexRight, EaglerTextureAtlasSprite[] sprites,
+			int side, BakedQuad quad, RenderEnv renderEnv) {
+		return getQuadsCompact(ConnectedTexturesCompact.Dir.LEFT, indexLeft, ConnectedTexturesCompact.Dir.RIGHT,
+				indexRight, sprites, side, quad, renderEnv);
+	}
+
+	private static BakedQuad[] getQuadsCompactV(int indexUp, int indexDown, EaglerTextureAtlasSprite[] sprites,
+			int side, BakedQuad quad, RenderEnv renderEnv) {
+		return getQuadsCompact(ConnectedTexturesCompact.Dir.UP, indexUp, ConnectedTexturesCompact.Dir.DOWN, indexDown,
+				sprites, side, quad, renderEnv);
+	}
+
+	private static BakedQuad[] getQuadsCompact4(int upLeft, int upRight, int downLeft, int downRight,
+			EaglerTextureAtlasSprite[] sprites, int side, BakedQuad quad, RenderEnv renderEnv) {
+		return upLeft == upRight ? (downLeft == downRight
+				? getQuadsCompact(ConnectedTexturesCompact.Dir.UP, upLeft, ConnectedTexturesCompact.Dir.DOWN, downLeft,
+						sprites, side, quad, renderEnv)
+				: getQuadsCompact(ConnectedTexturesCompact.Dir.UP, upLeft, ConnectedTexturesCompact.Dir.DOWN_LEFT,
+						downLeft, ConnectedTexturesCompact.Dir.DOWN_RIGHT, downRight, sprites, side, quad, renderEnv))
+				: (downLeft == downRight
+						? getQuadsCompact(ConnectedTexturesCompact.Dir.UP_LEFT, upLeft,
+								ConnectedTexturesCompact.Dir.UP_RIGHT, upRight, ConnectedTexturesCompact.Dir.DOWN,
+								downLeft, sprites, side, quad, renderEnv)
+						: (upLeft == downLeft
+								? (upRight == downRight ? getQuadsCompact(ConnectedTexturesCompact.Dir.LEFT, upLeft,
+										ConnectedTexturesCompact.Dir.RIGHT, upRight, sprites, side, quad, renderEnv)
+										: getQuadsCompact(ConnectedTexturesCompact.Dir.LEFT, upLeft,
+												ConnectedTexturesCompact.Dir.UP_RIGHT, upRight,
+												ConnectedTexturesCompact.Dir.DOWN_RIGHT, downRight, sprites, side, quad,
+												renderEnv))
+								: (upRight == downRight ? getQuadsCompact(ConnectedTexturesCompact.Dir.UP_LEFT, upLeft,
+										ConnectedTexturesCompact.Dir.DOWN_LEFT, downLeft,
+										ConnectedTexturesCompact.Dir.RIGHT, upRight, sprites, side, quad, renderEnv)
+										: getQuadsCompact(ConnectedTexturesCompact.Dir.UP_LEFT, upLeft,
+												ConnectedTexturesCompact.Dir.UP_RIGHT, upRight,
+												ConnectedTexturesCompact.Dir.DOWN_LEFT, downLeft,
+												ConnectedTexturesCompact.Dir.DOWN_RIGHT, downRight, sprites, side, quad,
+												renderEnv))));
+	}
+
+	private static BakedQuad[] getQuadsCompact(int index, EaglerTextureAtlasSprite[] sprites, BakedQuad quad,
+			RenderEnv renderEnv) {
+		EaglerTextureAtlasSprite textureatlassprite = sprites[index];
+		return ConnectedTextures.getQuads(textureatlassprite, quad, renderEnv);
+	}
+
+	private static BakedQuad[] getQuadsCompact(ConnectedTexturesCompact.Dir dir1, int index1,
+			ConnectedTexturesCompact.Dir dir2, int index2, EaglerTextureAtlasSprite[] sprites, int side, BakedQuad quad,
+			RenderEnv renderEnv) {
+		BakedQuad bakedquad = getQuadCompact(sprites[index1], dir1, side, quad, renderEnv);
+		BakedQuad bakedquad1 = getQuadCompact(sprites[index2], dir2, side, quad, renderEnv);
+		return renderEnv.getArrayQuadsCtm(bakedquad, bakedquad1);
+	}
+
+	private static BakedQuad[] getQuadsCompact(ConnectedTexturesCompact.Dir dir1, int index1,
+			ConnectedTexturesCompact.Dir dir2, int index2, ConnectedTexturesCompact.Dir dir3, int index3,
+			EaglerTextureAtlasSprite[] sprites, int side, BakedQuad quad, RenderEnv renderEnv) {
+		BakedQuad bakedquad = getQuadCompact(sprites[index1], dir1, side, quad, renderEnv);
+		BakedQuad bakedquad1 = getQuadCompact(sprites[index2], dir2, side, quad, renderEnv);
+		BakedQuad bakedquad2 = getQuadCompact(sprites[index3], dir3, side, quad, renderEnv);
+		return renderEnv.getArrayQuadsCtm(bakedquad, bakedquad1, bakedquad2);
+	}
+
+	private static BakedQuad[] getQuadsCompact(ConnectedTexturesCompact.Dir dir1, int index1,
+			ConnectedTexturesCompact.Dir dir2, int index2, ConnectedTexturesCompact.Dir dir3, int index3,
+			ConnectedTexturesCompact.Dir dir4, int index4, EaglerTextureAtlasSprite[] sprites, int side, BakedQuad quad,
+			RenderEnv renderEnv) {
+		BakedQuad bakedquad = getQuadCompact(sprites[index1], dir1, side, quad, renderEnv);
+		BakedQuad bakedquad1 = getQuadCompact(sprites[index2], dir2, side, quad, renderEnv);
+		BakedQuad bakedquad2 = getQuadCompact(sprites[index3], dir3, side, quad, renderEnv);
+		BakedQuad bakedquad3 = getQuadCompact(sprites[index4], dir4, side, quad, renderEnv);
+		return renderEnv.getArrayQuadsCtm(bakedquad, bakedquad1, bakedquad2, bakedquad3);
+	}
+
+	private static BakedQuad getQuadCompact(EaglerTextureAtlasSprite sprite, ConnectedTexturesCompact.Dir dir, int side,
+			BakedQuad quad, RenderEnv renderEnv) {
+		switch (dir) {
+		case UP:
+			return getQuadCompact(sprite, dir, 0, 0, 16, 8, side, quad, renderEnv);
+
+		case UP_RIGHT:
+			return getQuadCompact(sprite, dir, 8, 0, 16, 8, side, quad, renderEnv);
+
+		case RIGHT:
+			return getQuadCompact(sprite, dir, 8, 0, 16, 16, side, quad, renderEnv);
+
+		case DOWN_RIGHT:
+			return getQuadCompact(sprite, dir, 8, 8, 16, 16, side, quad, renderEnv);
+
+		case DOWN:
+			return getQuadCompact(sprite, dir, 0, 8, 16, 16, side, quad, renderEnv);
+
+		case DOWN_LEFT:
+			return getQuadCompact(sprite, dir, 0, 8, 8, 16, side, quad, renderEnv);
+
+		case LEFT:
+			return getQuadCompact(sprite, dir, 0, 0, 8, 16, side, quad, renderEnv);
+
+		case UP_LEFT:
+			return getQuadCompact(sprite, dir, 0, 0, 8, 8, side, quad, renderEnv);
+
+		default:
+			return quad;
+		}
+	}
+
+	private static BakedQuad getQuadCompact(EaglerTextureAtlasSprite sprite, ConnectedTexturesCompact.Dir dir, int x1,
+			int y1, int x2, int y2, int side, BakedQuad quadIn, RenderEnv renderEnv) {
+		Map[][] amap = ConnectedTextures.getSpriteQuadCompactMaps();
+
+		if (amap == null) {
+			return quadIn;
+		} else {
+			int i = sprite.getIndexInMap();
+
+			if (i >= 0 && i < amap.length) {
+				Map[] amap1 = amap[i];
+
+				if (amap1 == null) {
+					amap1 = new Map[ConnectedTexturesCompact.Dir.VALUES.length];
+					amap[i] = amap1;
+				}
+
+				Map<BakedQuad, BakedQuad> map = amap1[dir.ordinal()];
+
+				if (map == null) {
+					map = new IdentityHashMap(1);
+					amap1[dir.ordinal()] = map;
+				}
+
+				BakedQuad bakedquad = (BakedQuad) map.get(quadIn);
+
+				if (bakedquad == null) {
+					bakedquad = makeSpriteQuadCompact(quadIn, sprite, side, x1, y1, x2, y2);
+					map.put(quadIn, bakedquad);
+				}
+
+				return bakedquad;
+			} else {
+				return quadIn;
+			}
+		}
+	}
+
+	private static BakedQuad makeSpriteQuadCompact(BakedQuad quad, EaglerTextureAtlasSprite sprite, int side, int x1,
+			int y1, int x2, int y2) {
+		int[] aint = (int[]) quad.getVertexData().clone();
+		int[] aint2 = (int[]) quad.getVertexDataWithNormals().clone();
+		EaglerTextureAtlasSprite textureatlassprite = quad.getSprite();
+
+		for (int i = 0; i < 4; ++i) {
+			fixVertexCompact(aint, aint2, i, textureatlassprite, sprite, side, x1, y1, x2, y2);
+		}
+
+		BakedQuad bakedquad = new BakedQuad(aint, aint2, quad.getTintIndex(), quad.getFace(), sprite);
+		return bakedquad;
+	}
+
+	private static void fixVertexCompact(int[] data, int[] data2, int vertex, EaglerTextureAtlasSprite spriteFrom,
+			EaglerTextureAtlasSprite spriteTo, int side, int x1, int y1, int x2, int y2) {
+		int i = data.length / 4;
+		int j = i * vertex;
+		int i2 = data2.length / 4;
+		int j2 = i2 * vertex;
+		float f = Float.intBitsToFloat(data[j + 4]);
+		float f1 = Float.intBitsToFloat(data[j + 4 + 1]);
+		double d0 = spriteFrom.getSpriteU16(f);
+		double d1 = spriteFrom.getSpriteV16(f1);
+		float f2 = Float.intBitsToFloat(data[j + 0]);
+		float f3 = Float.intBitsToFloat(data[j + 1]);
+		float f4 = Float.intBitsToFloat(data[j + 2]);
+		float f5;
+		float f6;
+
+		switch (side) {
+		case 0:
+			f5 = f2;
+			f6 = 1.0F - f4;
+			break;
+
+		case 1:
+			f5 = f2;
+			f6 = f4;
+			break;
+
+		case 2:
+			f5 = 1.0F - f2;
+			f6 = 1.0F - f3;
+			break;
+
+		case 3:
+			f5 = f2;
+			f6 = 1.0F - f3;
+			break;
+
+		case 4:
+			f5 = f4;
+			f6 = 1.0F - f3;
+			break;
+
+		case 5:
+			f5 = 1.0F - f4;
+			f6 = 1.0F - f3;
+			break;
+
+		default:
+			return;
+		}
+
+		float f7 = 15.968F;
+		float f8 = 15.968F;
+
+		if (d0 < (double) x1) {
+			f5 = (float) ((double) f5 + ((double) x1 - d0) / (double) f7);
+			d0 = (double) x1;
+		}
+
+		if (d0 > (double) x2) {
+			f5 = (float) ((double) f5 - (d0 - (double) x2) / (double) f7);
+			d0 = (double) x2;
+		}
+
+		if (d1 < (double) y1) {
+			f6 = (float) ((double) f6 + ((double) y1 - d1) / (double) f8);
+			d1 = (double) y1;
+		}
+
+		if (d1 > (double) y2) {
+			f6 = (float) ((double) f6 - (d1 - (double) y2) / (double) f8);
+			d1 = (double) y2;
+		}
+
+		switch (side) {
+		case 0:
+			f2 = f5;
+			f4 = 1.0F - f6;
+			break;
+
+		case 1:
+			f2 = f5;
+			f4 = f6;
+			break;
+
+		case 2:
+			f2 = 1.0F - f5;
+			f3 = 1.0F - f6;
+			break;
+
+		case 3:
+			f2 = f5;
+			f3 = 1.0F - f6;
+			break;
+
+		case 4:
+			f4 = f5;
+			f3 = 1.0F - f6;
+			break;
+
+		case 5:
+			f4 = 1.0F - f5;
+			f3 = 1.0F - f6;
+			break;
+
+		default:
+			return;
+		}
+
+		data[j + 4] = data2[j2 + 4] = Float.floatToRawIntBits(spriteTo.getInterpolatedU(d0));
+		data[j + 4 + 1] = data2[j2 + 4 + 1] = Float.floatToRawIntBits(spriteTo.getInterpolatedV(d1));
+		data[j + 0] = data2[j2 + 0] = Float.floatToRawIntBits(f2);
+		data[j + 1] = data2[j2 + 1] = Float.floatToRawIntBits(f3);
+		data[j + 2] = data2[j2 + 2] = Float.floatToRawIntBits(f4);
+	}
+
+	private static enum Dir {
+		UP, UP_RIGHT, RIGHT, DOWN_RIGHT, DOWN, DOWN_LEFT, LEFT, UP_LEFT;
+
+		public static final ConnectedTexturesCompact.Dir[] VALUES = values();
+	}
+}

sources/main/java/net/optifine/CustomItemProperties.java

@@ -0,0 +1,972 @@
+package net.optifine;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Properties;
+import java.util.Set;
+import java.util.TreeSet;
+
+import net.lax1dude.eaglercraft.v1_8.internal.ITextureGL;
+import net.lax1dude.eaglercraft.v1_8.minecraft.EaglerTextureAtlasSprite;
+import net.lax1dude.eaglercraft.v1_8.opengl.EaglercraftGPU;
+import net.lax1dude.eaglercraft.v1_8.opengl.GlStateManager;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.block.model.BakedQuad;
+import net.minecraft.client.renderer.block.model.BlockPart;
+import net.minecraft.client.renderer.block.model.BlockPartFace;
+import net.minecraft.client.renderer.block.model.FaceBakery;
+import net.minecraft.client.renderer.block.model.ItemModelGenerator;
+import net.minecraft.client.renderer.block.model.ModelBlock;
+import net.minecraft.client.renderer.texture.ITextureObject;
+import net.minecraft.client.renderer.texture.TextureManager;
+import net.minecraft.client.renderer.texture.TextureMap;
+import net.minecraft.client.resources.model.IBakedModel;
+import net.minecraft.client.resources.model.ModelBakery;
+import net.minecraft.client.resources.model.ModelManager;
+import net.minecraft.client.resources.model.ModelResourceLocation;
+import net.minecraft.client.resources.model.ModelRotation;
+import net.minecraft.client.resources.model.SimpleBakedModel;
+import net.minecraft.init.Items;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemArmor;
+import net.minecraft.util.EnumFacing;
+import net.minecraft.util.ResourceLocation;
+import net.optifine.config.IParserInt;
+import net.optifine.config.NbtTagValue;
+import net.optifine.config.ParserEnchantmentId;
+import net.optifine.config.RangeInt;
+import net.optifine.config.RangeListInt;
+import net.optifine.render.Blender;
+import net.optifine.util.StrUtils;
+import net.optifine.util.TextureUtils;
+
+public class CustomItemProperties {
+	public String name = null;
+	public String basePath = null;
+	public int type = 1;
+	public int[] items = null;
+	public String texture = null;
+	public Map<String, String> mapTextures = null;
+	public String model = null;
+	public Map<String, String> mapModels = null;
+	public RangeListInt damage = null;
+	public boolean damagePercent = false;
+	public int damageMask = 0;
+	public RangeListInt stackSize = null;
+	public RangeListInt enchantmentIds = null;
+	public RangeListInt enchantmentLevels = null;
+	public NbtTagValue[] nbtTagValues = null;
+	public int hand = 0;
+	public int blend = 1;
+	public float speed = 0.0F;
+	public float rotation = 0.0F;
+	public int layer = 0;
+	public float duration = 1.0F;
+	public int weight = 0;
+	public ResourceLocation textureLocation = null;
+	public Map mapTextureLocations = null;
+	public EaglerTextureAtlasSprite sprite = null;
+	public Map mapSprites = null;
+	public IBakedModel bakedModelTexture = null;
+	public Map<String, IBakedModel> mapBakedModelsTexture = null;
+	public IBakedModel bakedModelFull = null;
+	public Map<String, IBakedModel> mapBakedModelsFull = null;
+	private int textureWidth = 0;
+	private int textureHeight = 0;
+	public static final int TYPE_UNKNOWN = 0;
+	public static final int TYPE_ITEM = 1;
+	public static final int TYPE_ENCHANTMENT = 2;
+	public static final int TYPE_ARMOR = 3;
+	public static final int HAND_ANY = 0;
+	public static final int HAND_MAIN = 1;
+	public static final int HAND_OFF = 2;
+	public static final String INVENTORY = "inventory";
+
+	public CustomItemProperties(Properties props, String path) {
+		this.name = parseName(path);
+		this.basePath = parseBasePath(path);
+		this.type = this.parseType(props.getProperty("type"));
+		this.items = this.parseItems(props.getProperty("items"), props.getProperty("matchItems"));
+		this.mapModels = parseModels(props, this.basePath);
+		this.model = parseModel(props.getProperty("model"), path, this.basePath, this.type, this.mapModels);
+		this.mapTextures = parseTextures(props, this.basePath);
+		boolean flag = this.mapModels == null && this.model == null;
+		this.texture = parseTexture(props.getProperty("texture"), props.getProperty("tile"),
+				props.getProperty("source"), path, this.basePath, this.type, this.mapTextures, flag);
+		String s = props.getProperty("damage");
+
+		if (s != null) {
+			this.damagePercent = s.contains("%");
+			s = s.replace("%", "");
+			this.damage = this.parseRangeListInt(s);
+			this.damageMask = this.parseInt(props.getProperty("damageMask"), 0);
+		}
+
+		this.stackSize = this.parseRangeListInt(props.getProperty("stackSize"));
+		this.enchantmentIds = this.parseRangeListInt(props.getProperty("enchantmentIDs"), new ParserEnchantmentId());
+		this.enchantmentLevels = this.parseRangeListInt(props.getProperty("enchantmentLevels"));
+		this.nbtTagValues = this.parseNbtTagValues(props);
+		this.hand = this.parseHand(props.getProperty("hand"));
+		this.blend = Blender.parseBlend(props.getProperty("blend"));
+		this.speed = this.parseFloat(props.getProperty("speed"), 0.0F);
+		this.rotation = this.parseFloat(props.getProperty("rotation"), 0.0F);
+		this.layer = this.parseInt(props.getProperty("layer"), 0);
+		this.weight = this.parseInt(props.getProperty("weight"), 0);
+		this.duration = this.parseFloat(props.getProperty("duration"), 1.0F);
+	}
+
+	private static String parseName(String path) {
+		String s = path;
+		int i = path.lastIndexOf(47);
+
+		if (i >= 0) {
+			s = path.substring(i + 1);
+		}
+
+		int j = s.lastIndexOf(46);
+
+		if (j >= 0) {
+			s = s.substring(0, j);
+		}
+
+		return s;
+	}
+
+	private static String parseBasePath(String path) {
+		int i = path.lastIndexOf(47);
+		return i < 0 ? "" : path.substring(0, i);
+	}
+
+	private int parseType(String str) {
+		if (str == null) {
+			return 1;
+		} else if (str.equals("item")) {
+			return 1;
+		} else if (str.equals("enchantment")) {
+			return 2;
+		} else if (str.equals("armor")) {
+			return 3;
+		} else {
+			Config.warn("Unknown method: " + str);
+			return 0;
+		}
+	}
+
+	private int[] parseItems(String str, String str2) {
+		if (str == null) {
+			str = str2;
+		}
+
+		if (str == null) {
+			return null;
+		} else {
+			str = str.trim();
+			Set set = new TreeSet();
+			String[] astring = Config.tokenize(str, " ");
+			label45:
+
+			for (int i = 0; i < astring.length; ++i) {
+				String s = astring[i];
+				int j = Config.parseInt(s, -1);
+
+				if (j >= 0) {
+					set.add(Integer.valueOf(j));
+				} else {
+					if (s.contains("-")) {
+						String[] astring1 = Config.tokenize(s, "-");
+
+						if (astring1.length == 2) {
+							int k = Config.parseInt(astring1[0], -1);
+							int l = Config.parseInt(astring1[1], -1);
+
+							if (k >= 0 && l >= 0) {
+								int i1 = Math.min(k, l);
+								int j1 = Math.max(k, l);
+								int k1 = i1;
+
+								while (true) {
+									if (k1 > j1) {
+										continue label45;
+									}
+
+									set.add(Integer.valueOf(k1));
+									++k1;
+								}
+							}
+						}
+					}
+
+					Item item = Item.getByNameOrId(s);
+
+					if (item == null) {
+						Config.warn("Item not found: " + s);
+					} else {
+						int i2 = Item.getIdFromItem(item);
+
+						if (i2 <= 0) {
+							Config.warn("Item not found: " + s);
+						} else {
+							set.add(Integer.valueOf(i2));
+						}
+					}
+				}
+			}
+
+			Integer[] ainteger = (Integer[]) ((Integer[]) set.toArray(new Integer[set.size()]));
+			int[] aint = new int[ainteger.length];
+
+			for (int l1 = 0; l1 < aint.length; ++l1) {
+				aint[l1] = ainteger[l1].intValue();
+			}
+
+			return aint;
+		}
+	}
+
+	private static String parseTexture(String texStr, String texStr2, String texStr3, String path, String basePath,
+			int type, Map<String, String> mapTexs, boolean textureFromPath) {
+		if (texStr == null) {
+			texStr = texStr2;
+		}
+
+		if (texStr == null) {
+			texStr = texStr3;
+		}
+
+		if (texStr != null) {
+			String s2 = ".png";
+
+			if (texStr.endsWith(s2)) {
+				texStr = texStr.substring(0, texStr.length() - s2.length());
+			}
+
+			texStr = fixTextureName(texStr, basePath);
+			return texStr;
+		} else if (type == 3) {
+			return null;
+		} else {
+			if (mapTexs != null) {
+				String s = (String) mapTexs.get("texture.bow_standby");
+
+				if (s != null) {
+					return s;
+				}
+			}
+
+			if (!textureFromPath) {
+				return null;
+			} else {
+				String s1 = path;
+				int i = path.lastIndexOf(47);
+
+				if (i >= 0) {
+					s1 = path.substring(i + 1);
+				}
+
+				int j = s1.lastIndexOf(46);
+
+				if (j >= 0) {
+					s1 = s1.substring(0, j);
+				}
+
+				s1 = fixTextureName(s1, basePath);
+				return s1;
+			}
+		}
+	}
+
+	private static Map parseTextures(Properties props, String basePath) {
+		String s = "texture.";
+		Map map = getMatchingProperties(props, s);
+
+		if (map.size() <= 0) {
+			return null;
+		} else {
+			Set set = map.keySet();
+			Map map1 = new LinkedHashMap();
+
+			for (Object e : set) {
+				String s1 = (String) e;
+				String s2 = (String) map.get(s1);
+				s2 = fixTextureName(s2, basePath);
+				map1.put(s1, s2);
+			}
+
+			return map1;
+		}
+	}
+
+	private static String fixTextureName(String iconName, String basePath) {
+		iconName = TextureUtils.fixResourcePath(iconName, basePath);
+
+		if (!iconName.startsWith(basePath) && !iconName.startsWith("textures/") && !iconName.startsWith("mcpatcher/")) {
+			iconName = basePath + "/" + iconName;
+		}
+
+		if (iconName.endsWith(".png")) {
+			iconName = iconName.substring(0, iconName.length() - 4);
+		}
+
+		if (iconName.startsWith("/")) {
+			iconName = iconName.substring(1);
+		}
+
+		return iconName;
+	}
+
+	private static String parseModel(String modelStr, String path, String basePath, int type,
+			Map<String, String> mapModelNames) {
+		if (modelStr != null) {
+			String s1 = ".json";
+
+			if (modelStr.endsWith(s1)) {
+				modelStr = modelStr.substring(0, modelStr.length() - s1.length());
+			}
+
+			modelStr = fixModelName(modelStr, basePath);
+			return modelStr;
+		} else if (type == 3) {
+			return null;
+		} else {
+			if (mapModelNames != null) {
+				String s = (String) mapModelNames.get("model.bow_standby");
+
+				if (s != null) {
+					return s;
+				}
+			}
+
+			return modelStr;
+		}
+	}
+
+	private static Map parseModels(Properties props, String basePath) {
+		String s = "model.";
+		Map map = getMatchingProperties(props, s);
+
+		if (map.size() <= 0) {
+			return null;
+		} else {
+			Set set = map.keySet();
+			Map map1 = new LinkedHashMap();
+
+			for (Object e : set) {
+				String s1 = (String) e;
+				String s2 = (String) map.get(s1);
+				s2 = fixModelName(s2, basePath);
+				map1.put(s1, s2);
+			}
+
+			return map1;
+		}
+	}
+
+	private static String fixModelName(String modelName, String basePath) {
+		modelName = TextureUtils.fixResourcePath(modelName, basePath);
+		boolean flag = modelName.startsWith("block/") || modelName.startsWith("item/");
+
+		if (!modelName.startsWith(basePath) && !flag && !modelName.startsWith("mcpatcher/")) {
+			modelName = basePath + "/" + modelName;
+		}
+
+		String s = ".json";
+
+		if (modelName.endsWith(s)) {
+			modelName = modelName.substring(0, modelName.length() - s.length());
+		}
+
+		if (modelName.startsWith("/")) {
+			modelName = modelName.substring(1);
+		}
+
+		return modelName;
+	}
+
+	private int parseInt(String str, int defVal) {
+		if (str == null) {
+			return defVal;
+		} else {
+			str = str.trim();
+			int i = Config.parseInt(str, Integer.MIN_VALUE);
+
+			if (i == Integer.MIN_VALUE) {
+				Config.warn("Invalid integer: " + str);
+				return defVal;
+			} else {
+				return i;
+			}
+		}
+	}
+
+	private float parseFloat(String str, float defVal) {
+		if (str == null) {
+			return defVal;
+		} else {
+			str = str.trim();
+			float f = Config.parseFloat(str, Float.MIN_VALUE);
+
+			if (f == Float.MIN_VALUE) {
+				Config.warn("Invalid float: " + str);
+				return defVal;
+			} else {
+				return f;
+			}
+		}
+	}
+
+	private RangeListInt parseRangeListInt(String str) {
+		return this.parseRangeListInt(str, (IParserInt) null);
+	}
+
+	private RangeListInt parseRangeListInt(String str, IParserInt parser) {
+		if (str == null) {
+			return null;
+		} else {
+			String[] astring = Config.tokenize(str, " ");
+			RangeListInt rangelistint = new RangeListInt();
+
+			for (int i = 0; i < astring.length; ++i) {
+				String s = astring[i];
+
+				if (parser != null) {
+					int j = parser.parse(s, Integer.MIN_VALUE);
+
+					if (j != Integer.MIN_VALUE) {
+						rangelistint.addRange(new RangeInt(j, j));
+						continue;
+					}
+				}
+
+				RangeInt rangeint = this.parseRangeInt(s);
+
+				if (rangeint == null) {
+					Config.warn("Invalid range list: " + str);
+					return null;
+				}
+
+				rangelistint.addRange(rangeint);
+			}
+
+			return rangelistint;
+		}
+	}
+
+	private RangeInt parseRangeInt(String str) {
+		if (str == null) {
+			return null;
+		} else {
+			str = str.trim();
+			int i = str.length() - str.replace("-", "").length();
+
+			if (i > 1) {
+				Config.warn("Invalid range: " + str);
+				return null;
+			} else {
+				String[] astring = Config.tokenize(str, "- ");
+				int[] aint = new int[astring.length];
+
+				for (int j = 0; j < astring.length; ++j) {
+					String s = astring[j];
+					int k = Config.parseInt(s, -1);
+
+					if (k < 0) {
+						Config.warn("Invalid range: " + str);
+						return null;
+					}
+
+					aint[j] = k;
+				}
+
+				if (aint.length == 1) {
+					int i1 = aint[0];
+
+					if (str.startsWith("-")) {
+						return new RangeInt(0, i1);
+					} else if (str.endsWith("-")) {
+						return new RangeInt(i1, 65535);
+					} else {
+						return new RangeInt(i1, i1);
+					}
+				} else if (aint.length == 2) {
+					int l = Math.min(aint[0], aint[1]);
+					int j1 = Math.max(aint[0], aint[1]);
+					return new RangeInt(l, j1);
+				} else {
+					Config.warn("Invalid range: " + str);
+					return null;
+				}
+			}
+		}
+	}
+
+	private NbtTagValue[] parseNbtTagValues(Properties props) {
+		String s = "nbt.";
+		Map map = getMatchingProperties(props, s);
+
+		if (map.size() <= 0) {
+			return null;
+		} else {
+			List list = new ArrayList();
+
+			for (Object e : map.keySet()) {
+				String s1 = (String) e;
+				String s2 = (String) map.get(s1);
+				String s3 = s1.substring(s.length());
+				NbtTagValue nbttagvalue = new NbtTagValue(s3, s2);
+				list.add(nbttagvalue);
+			}
+
+			NbtTagValue[] anbttagvalue = (NbtTagValue[]) ((NbtTagValue[]) list.toArray(new NbtTagValue[list.size()]));
+			return anbttagvalue;
+		}
+	}
+
+	private static Map getMatchingProperties(Properties props, String keyPrefix) {
+		Map map = new LinkedHashMap();
+
+		for (Object e : props.keySet()) {
+			String s = (String) e;
+			String s1 = props.getProperty(s);
+
+			if (s.startsWith(keyPrefix)) {
+				map.put(s, s1);
+			}
+		}
+
+		return map;
+	}
+
+	private int parseHand(String str) {
+		if (str == null) {
+			return 0;
+		} else {
+			str = str.toLowerCase();
+
+			if (str.equals("any")) {
+				return 0;
+			} else if (str.equals("main")) {
+				return 1;
+			} else if (str.equals("off")) {
+				return 2;
+			} else {
+				Config.warn("Invalid hand: " + str);
+				return 0;
+			}
+		}
+	}
+
+	public boolean isValid(String path) {
+		if (this.name != null && this.name.length() > 0) {
+			if (this.basePath == null) {
+				Config.warn("No base path found: " + path);
+				return false;
+			} else if (this.type == 0) {
+				Config.warn("No type defined: " + path);
+				return false;
+			} else {
+				if (this.type == 1 || this.type == 3) {
+					if (this.items == null) {
+						this.items = this.detectItems();
+					}
+
+					if (this.items == null) {
+						Config.warn("No items defined: " + path);
+						return false;
+					}
+				}
+
+				if (this.texture == null && this.mapTextures == null && this.model == null && this.mapModels == null) {
+					Config.warn("No texture or model specified: " + path);
+					return false;
+				} else if (this.type == 2 && this.enchantmentIds == null) {
+					Config.warn("No enchantmentIDs specified: " + path);
+					return false;
+				} else {
+					return true;
+				}
+			}
+		} else {
+			Config.warn("No name found: " + path);
+			return false;
+		}
+	}
+
+	private int[] detectItems() {
+		Item item = Item.getByNameOrId(this.name);
+
+		if (item == null) {
+			return null;
+		} else {
+			int i = Item.getIdFromItem(item);
+			return i <= 0 ? null : new int[] { i };
+		}
+	}
+
+	public void updateIcons(TextureMap textureMap) {
+		if (this.texture != null) {
+			this.textureLocation = this.getTextureLocation(this.texture);
+
+			if (this.type == 1) {
+				ResourceLocation resourcelocation = this.getSpriteLocation(this.textureLocation);
+				this.sprite = textureMap.registerSprite(resourcelocation);
+			}
+		}
+
+		if (this.mapTextures != null) {
+			this.mapTextureLocations = new HashMap();
+			this.mapSprites = new HashMap();
+
+			for (String s : this.mapTextures.keySet()) {
+				String s1 = (String) this.mapTextures.get(s);
+				ResourceLocation resourcelocation1 = this.getTextureLocation(s1);
+				this.mapTextureLocations.put(s, resourcelocation1);
+
+				if (this.type == 1) {
+					ResourceLocation resourcelocation2 = this.getSpriteLocation(resourcelocation1);
+					EaglerTextureAtlasSprite textureatlassprite = textureMap.registerSprite(resourcelocation2);
+					this.mapSprites.put(s, textureatlassprite);
+				}
+			}
+		}
+	}
+
+	private ResourceLocation getTextureLocation(String texName) {
+		if (texName == null) {
+			return null;
+		} else {
+			ResourceLocation resourcelocation = new ResourceLocation(texName);
+			String s = resourcelocation.getResourceDomain();
+			String s1 = resourcelocation.getResourcePath();
+
+			if (!s1.contains("/")) {
+				s1 = "textures/items/" + s1;
+			}
+
+			String s2 = s1 + ".png";
+			ResourceLocation resourcelocation1 = new ResourceLocation(s, s2);
+			boolean flag = Config.hasResource(resourcelocation1);
+
+			if (!flag) {
+				Config.warn("File not found: " + s2);
+			}
+
+			return resourcelocation1;
+		}
+	}
+
+	private ResourceLocation getSpriteLocation(ResourceLocation resLoc) {
+		String s = resLoc.getResourcePath();
+		s = StrUtils.removePrefix(s, "textures/");
+		s = StrUtils.removeSuffix(s, ".png");
+		ResourceLocation resourcelocation = new ResourceLocation(resLoc.getResourceDomain(), s);
+		return resourcelocation;
+	}
+
+	public void updateModelTexture(TextureMap textureMap, ItemModelGenerator itemModelGenerator) {
+		if (this.texture != null || this.mapTextures != null) {
+			String[] astring = this.getModelTextures();
+			boolean flag = this.isUseTint();
+			this.bakedModelTexture = makeBakedModel(textureMap, itemModelGenerator, astring, flag);
+
+			if (this.type == 1 && this.mapTextures != null) {
+				for (String s : this.mapTextures.keySet()) {
+					String s1 = (String) this.mapTextures.get(s);
+					String s2 = StrUtils.removePrefix(s, "texture.");
+
+					if (s2.startsWith("bow") || s2.startsWith("fishing_rod") || s2.startsWith("shield")) {
+						String[] astring1 = new String[] { s1 };
+						IBakedModel ibakedmodel = makeBakedModel(textureMap, itemModelGenerator, astring1, flag);
+
+						if (this.mapBakedModelsTexture == null) {
+							this.mapBakedModelsTexture = new HashMap();
+						}
+
+						this.mapBakedModelsTexture.put(s2, ibakedmodel);
+					}
+				}
+			}
+		}
+	}
+
+	private boolean isUseTint() {
+		return true;
+	}
+
+	private static IBakedModel makeBakedModel(TextureMap textureMap, ItemModelGenerator itemModelGenerator,
+			String[] textures, boolean useTint) {
+		String[] astring = new String[textures.length];
+
+		for (int i = 0; i < astring.length; ++i) {
+			String s = textures[i];
+			astring[i] = StrUtils.removePrefix(s, "textures/");
+		}
+
+		ModelBlock modelblock = makeModelBlock(astring);
+		ModelBlock modelblock1 = itemModelGenerator.makeItemModel(textureMap, modelblock);
+		IBakedModel ibakedmodel = bakeModel(textureMap, modelblock1, useTint);
+		return ibakedmodel;
+	}
+
+	private String[] getModelTextures() {
+		if (this.type == 1 && this.items.length == 1) {
+			Item item = Item.getItemById(this.items[0]);
+
+			if (item == Items.potionitem && this.damage != null && this.damage.getCountRanges() > 0) {
+				RangeInt rangeint = this.damage.getRange(0);
+				int i = rangeint.getMin();
+				boolean flag = (i & 16384) != 0;
+				String s5 = this.getMapTexture(this.mapTextures, "texture.potion_overlay", "items/potion_overlay");
+				String s6 = null;
+
+				if (flag) {
+					s6 = this.getMapTexture(this.mapTextures, "texture.potion_bottle_splash",
+							"items/potion_bottle_splash");
+				} else {
+					s6 = this.getMapTexture(this.mapTextures, "texture.potion_bottle_drinkable",
+							"items/potion_bottle_drinkable");
+				}
+
+				return new String[] { s5, s6 };
+			}
+
+			if (item instanceof ItemArmor) {
+				ItemArmor itemarmor = (ItemArmor) item;
+
+				if (itemarmor.getArmorMaterial() == ItemArmor.ArmorMaterial.LEATHER) {
+					String s = "leather";
+					String s1 = "helmet";
+
+					if (itemarmor.armorType == 0) {
+						s1 = "helmet";
+					}
+
+					if (itemarmor.armorType == 1) {
+						s1 = "chestplate";
+					}
+
+					if (itemarmor.armorType == 2) {
+						s1 = "leggings";
+					}
+
+					if (itemarmor.armorType == 3) {
+						s1 = "boots";
+					}
+
+					String s2 = s + "_" + s1;
+					String s3 = this.getMapTexture(this.mapTextures, "texture." + s2, "items/" + s2);
+					String s4 = this.getMapTexture(this.mapTextures, "texture." + s2 + "_overlay",
+							"items/" + s2 + "_overlay");
+					return new String[] { s3, s4 };
+				}
+			}
+		}
+
+		return new String[] { this.texture };
+	}
+
+	private String getMapTexture(Map<String, String> map, String key, String def) {
+		if (map == null) {
+			return def;
+		} else {
+			String s = (String) map.get(key);
+			return s == null ? def : s;
+		}
+	}
+
+	private static ModelBlock makeModelBlock(String[] modelTextures) {
+		StringBuffer stringbuffer = new StringBuffer();
+		stringbuffer.append("{\"parent\": \"builtin/generated\",\"textures\": {");
+
+		for (int i = 0; i < modelTextures.length; ++i) {
+			String s = modelTextures[i];
+
+			if (i > 0) {
+				stringbuffer.append(", ");
+			}
+
+			stringbuffer.append("\"layer" + i + "\": \"" + s + "\"");
+		}
+
+		stringbuffer.append("}}");
+		String s1 = stringbuffer.toString();
+		ModelBlock modelblock = ModelBlock.deserialize(s1);
+		return modelblock;
+	}
+
+	private static IBakedModel bakeModel(TextureMap textureMap, ModelBlock modelBlockIn, boolean useTint) {
+		ModelRotation modelrotation = ModelRotation.X0_Y0;
+		boolean flag = false;
+		String s = modelBlockIn.resolveTextureName("particle");
+		EaglerTextureAtlasSprite textureatlassprite = textureMap.getAtlasSprite((new ResourceLocation(s)).toString());
+		SimpleBakedModel.Builder simplebakedmodel$builder = (new SimpleBakedModel.Builder(modelBlockIn))
+				.setTexture(textureatlassprite);
+
+		for (BlockPart blockpart : modelBlockIn.getElements()) {
+			for (EnumFacing enumfacing : blockpart.mapFaces.keySet()) {
+				BlockPartFace blockpartface = (BlockPartFace) blockpart.mapFaces.get(enumfacing);
+
+				if (!useTint) {
+					blockpartface = new BlockPartFace(blockpartface.cullFace, -1, blockpartface.texture,
+							blockpartface.blockFaceUV);
+				}
+
+				String s1 = modelBlockIn.resolveTextureName(blockpartface.texture);
+				EaglerTextureAtlasSprite textureatlassprite1 = textureMap
+						.getAtlasSprite((new ResourceLocation(s1)).toString());
+				BakedQuad bakedquad = makeBakedQuad(blockpart, blockpartface, textureatlassprite1, enumfacing,
+						modelrotation, flag);
+
+				if (blockpartface.cullFace == null) {
+					simplebakedmodel$builder.addGeneralQuad(bakedquad);
+				} else {
+					simplebakedmodel$builder.addFaceQuad(modelrotation.rotateFace(blockpartface.cullFace), bakedquad);
+				}
+			}
+		}
+
+		return simplebakedmodel$builder.makeBakedModel();
+	}
+
+	private static BakedQuad makeBakedQuad(BlockPart blockPart, BlockPartFace blockPartFace,
+			EaglerTextureAtlasSprite textureAtlasSprite, EnumFacing enumFacing, ModelRotation modelRotation,
+			boolean uvLocked) {
+		FaceBakery facebakery = new FaceBakery();
+		return facebakery.makeBakedQuad(blockPart.positionFrom, blockPart.positionTo, blockPartFace, textureAtlasSprite,
+				enumFacing, modelRotation, blockPart.partRotation, uvLocked, blockPart.shade);
+	}
+
+	public String toString() {
+		return "" + this.basePath + "/" + this.name + ", type: " + this.type + ", items: ["
+				+ Config.arrayToString(this.items) + "], textture: " + this.texture;
+	}
+
+	public float getTextureWidth(TextureManager textureManager) {
+		if (this.textureWidth <= 0) {
+			if (this.textureLocation != null) {
+				ITextureObject itextureobject = textureManager.getTexture(this.textureLocation);
+				ITextureGL nativeTex = EaglercraftGPU.getNativeTexture(itextureobject.getGlTextureId());
+				this.textureWidth = nativeTex != null ? nativeTex.getWidth() : 0;
+			}
+
+			if (this.textureWidth <= 0) {
+				this.textureWidth = 16;
+			}
+		}
+
+		return (float) this.textureWidth;
+	}
+
+	public float getTextureHeight(TextureManager textureManager) {
+		if (this.textureHeight <= 0) {
+			if (this.textureLocation != null) {
+				ITextureObject itextureobject = textureManager.getTexture(this.textureLocation);
+				ITextureGL nativeTex = EaglercraftGPU.getNativeTexture(itextureobject.getGlTextureId());
+				this.textureHeight = nativeTex != null ? nativeTex.getWidth() : 0;
+			}
+
+			if (this.textureHeight <= 0) {
+				this.textureHeight = 16;
+			}
+		}
+
+		return (float) this.textureHeight;
+	}
+
+	public IBakedModel getBakedModel(ResourceLocation modelLocation, boolean fullModel) {
+		IBakedModel ibakedmodel;
+		Map<String, IBakedModel> map;
+
+		if (fullModel) {
+			ibakedmodel = this.bakedModelFull;
+			map = this.mapBakedModelsFull;
+		} else {
+			ibakedmodel = this.bakedModelTexture;
+			map = this.mapBakedModelsTexture;
+		}
+
+		if (modelLocation != null && map != null) {
+			String s = modelLocation.getResourcePath();
+			IBakedModel ibakedmodel1 = (IBakedModel) map.get(s);
+
+			if (ibakedmodel1 != null) {
+				return ibakedmodel1;
+			}
+		}
+
+		return ibakedmodel;
+	}
+
+	public void loadModels(ModelBakery modelBakery) {
+		if (this.model != null) {
+			loadItemModel(modelBakery, this.model);
+		}
+
+		if (this.type == 1 && this.mapModels != null) {
+			for (String s : this.mapModels.keySet()) {
+				String s1 = (String) this.mapModels.get(s);
+				String s2 = StrUtils.removePrefix(s, "model.");
+
+				if (s2.startsWith("bow") || s2.startsWith("fishing_rod") || s2.startsWith("shield")) {
+					loadItemModel(modelBakery, s1);
+				}
+			}
+		}
+	}
+
+	public void updateModelsFull() {
+		ModelManager modelmanager = Minecraft.getMinecraft().getModelManager();
+		IBakedModel ibakedmodel = modelmanager.getMissingModel();
+
+		if (this.model != null) {
+			ResourceLocation resourcelocation = getModelLocation(this.model);
+			ModelResourceLocation modelresourcelocation = new ModelResourceLocation(resourcelocation, "inventory");
+			this.bakedModelFull = modelmanager.getModel(modelresourcelocation);
+
+			if (this.bakedModelFull == ibakedmodel) {
+				Config.warn("Custom Items: Model not found " + modelresourcelocation.getResourcePath());
+				this.bakedModelFull = null;
+			}
+		}
+
+		if (this.type == 1 && this.mapModels != null) {
+			for (String s : this.mapModels.keySet()) {
+				String s1 = (String) this.mapModels.get(s);
+				String s2 = StrUtils.removePrefix(s, "model.");
+
+				if (s2.startsWith("bow") || s2.startsWith("fishing_rod") || s2.startsWith("shield")) {
+					ResourceLocation resourcelocation1 = getModelLocation(s1);
+					ModelResourceLocation modelresourcelocation1 = new ModelResourceLocation(resourcelocation1,
+							"inventory");
+					IBakedModel ibakedmodel1 = modelmanager.getModel(modelresourcelocation1);
+
+					if (ibakedmodel1 == ibakedmodel) {
+						Config.warn("Custom Items: Model not found " + modelresourcelocation1.getResourcePath());
+					} else {
+						if (this.mapBakedModelsFull == null) {
+							this.mapBakedModelsFull = new HashMap();
+						}
+
+						this.mapBakedModelsFull.put(s2, ibakedmodel1);
+					}
+				}
+			}
+		}
+	}
+
+	private static void loadItemModel(ModelBakery modelBakery, String model) {
+		ResourceLocation resourcelocation = getModelLocation(model);
+		ModelResourceLocation modelresourcelocation = new ModelResourceLocation(resourcelocation, "inventory");
+		modelBakery.loadItemModel(resourcelocation.toString(), modelresourcelocation, resourcelocation);
+	}
+
+	private static ResourceLocation getModelLocation(String modelName) {
+//		return Reflector.ModelLoader.exists() && !modelName.startsWith("mcpatcher/")
+//				&& !modelName.startsWith("optifine/") ? new ResourceLocation("models/" + modelName)
+//						: new ResourceLocation(modelName);
+		return new ResourceLocation(modelName);
+	}
+}

sources/main/java/net/optifine/CustomItems.java

@@ -0,0 +1,840 @@
+package net.optifine;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Properties;
+import java.util.Set;
+
+import net.lax1dude.eaglercraft.v1_8.opengl.GlStateManager;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.model.ModelBase;
+import net.minecraft.client.renderer.block.model.ItemModelGenerator;
+import net.minecraft.client.renderer.entity.RenderItem;
+import net.minecraft.client.renderer.texture.TextureManager;
+import net.minecraft.client.renderer.texture.TextureMap;
+import net.minecraft.client.resources.IResourcePack;
+import net.minecraft.client.resources.model.IBakedModel;
+import net.minecraft.client.resources.model.ModelBakery;
+import net.minecraft.entity.EntityLivingBase;
+import net.minecraft.init.Items;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemArmor;
+import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.nbt.NBTTagList;
+import net.minecraft.potion.Potion;
+import net.minecraft.util.ResourceLocation;
+import net.optifine.config.NbtTagValue;
+import net.optifine.render.Blender;
+import net.optifine.util.PropertiesOrdered;
+import net.optifine.util.ResUtils;
+import net.optifine.util.StrUtils;
+
+public class CustomItems {
+	private static CustomItemProperties[][] itemProperties = (CustomItemProperties[][]) null;
+	private static CustomItemProperties[][] enchantmentProperties = (CustomItemProperties[][]) null;
+	private static Map mapPotionIds = null;
+	private static ItemModelGenerator itemModelGenerator = new ItemModelGenerator();
+	private static boolean useGlint = true;
+	private static boolean renderOffHand = false;
+	public static final int MASK_POTION_SPLASH = 16384;
+	public static final int MASK_POTION_NAME = 63;
+	public static final int MASK_POTION_EXTENDED = 64;
+	public static final String KEY_TEXTURE_OVERLAY = "texture.potion_overlay";
+	public static final String KEY_TEXTURE_SPLASH = "texture.potion_bottle_splash";
+	public static final String KEY_TEXTURE_DRINKABLE = "texture.potion_bottle_drinkable";
+	public static final String DEFAULT_TEXTURE_OVERLAY = "items/potion_overlay";
+	public static final String DEFAULT_TEXTURE_SPLASH = "items/potion_bottle_splash";
+	public static final String DEFAULT_TEXTURE_DRINKABLE = "items/potion_bottle_drinkable";
+	private static final int[][] EMPTY_INT2_ARRAY = new int[0][];
+	private static final String TYPE_POTION_NORMAL = "normal";
+	private static final String TYPE_POTION_SPLASH = "splash";
+	private static final String TYPE_POTION_LINGER = "linger";
+
+	public static void update() {
+		itemProperties = (CustomItemProperties[][]) null;
+		enchantmentProperties = (CustomItemProperties[][]) null;
+		useGlint = true;
+
+		if (Config.isCustomItems()) {
+			readCitProperties("mcpatcher/cit.properties");
+			IResourcePack[] airesourcepack = Config.getResourcePacks();
+
+			for (int i = airesourcepack.length - 1; i >= 0; --i) {
+				IResourcePack iresourcepack = airesourcepack[i];
+				update(iresourcepack);
+			}
+
+			update(Minecraft.getMinecraft().getDefaultResourcePack());
+
+			if (itemProperties.length <= 0) {
+				itemProperties = (CustomItemProperties[][]) null;
+			}
+
+			if (enchantmentProperties.length <= 0) {
+				enchantmentProperties = (CustomItemProperties[][]) null;
+			}
+		}
+	}
+
+	private static void readCitProperties(String fileName) {
+		ResourceLocation resourcelocation = new ResourceLocation(fileName);
+		try (InputStream inputstream = Minecraft.getMinecraft().getResourceManager().getResource(resourcelocation)
+				.getInputStream()) {
+			Config.dbg("CustomItems: Loading " + fileName);
+			Properties properties = new PropertiesOrdered();
+			properties.load(inputstream);
+			inputstream.close();
+			useGlint = Config.parseBoolean(properties.getProperty("useGlint"), true);
+		} catch (FileNotFoundException var4) {
+			return;
+		} catch (IOException ioexception) {
+			ioexception.printStackTrace();
+		}
+	}
+
+	private static void update(IResourcePack rp) {
+		List<String> astring = ResUtils.collectPropertyFiles(rp, "mcpatcher/cit/", "optifine/cit/");
+		Map map = makeAutoImageProperties(rp);
+
+		if (map.size() > 0) {
+			astring.addAll(map.keySet());
+		}
+
+		Collections.sort(astring);
+		List list = makePropertyList(itemProperties);
+		List list1 = makePropertyList(enchantmentProperties);
+
+		for (int i = 0; i < astring.size(); ++i) {
+			String s = astring.get(i);
+			Config.dbg("CustomItems: " + s);
+
+			try {
+				CustomItemProperties customitemproperties = null;
+
+				if (map.containsKey(s)) {
+					customitemproperties = (CustomItemProperties) map.get(s);
+				}
+
+				if (customitemproperties == null) {
+					ResourceLocation resourcelocation = new ResourceLocation(s);
+					InputStream inputstream = rp.getInputStream(resourcelocation);
+
+					if (inputstream == null) {
+						Config.warn("CustomItems file not found: " + s);
+						continue;
+					}
+
+					Properties properties = new PropertiesOrdered();
+					properties.load(inputstream);
+					inputstream.close();
+					customitemproperties = new CustomItemProperties(properties, s);
+				}
+
+				if (customitemproperties.isValid(s)) {
+					addToItemList(customitemproperties, list);
+					addToEnchantmentList(customitemproperties, list1);
+				}
+			} catch (FileNotFoundException var11) {
+				Config.warn("CustomItems file not found: " + s);
+			} catch (Exception exception) {
+				exception.printStackTrace();
+			}
+		}
+
+		itemProperties = propertyListToArray(list);
+		enchantmentProperties = propertyListToArray(list1);
+		Comparator comparator = getPropertiesComparator();
+
+		for (int j = 0; j < itemProperties.length; ++j) {
+			CustomItemProperties[] acustomitemproperties = itemProperties[j];
+
+			if (acustomitemproperties != null) {
+				Arrays.sort(acustomitemproperties, comparator);
+			}
+		}
+
+		for (int k = 0; k < enchantmentProperties.length; ++k) {
+			CustomItemProperties[] acustomitemproperties1 = enchantmentProperties[k];
+
+			if (acustomitemproperties1 != null) {
+				Arrays.sort(acustomitemproperties1, comparator);
+			}
+		}
+	}
+
+	private static Comparator getPropertiesComparator() {
+		Comparator comparator = new Comparator() {
+			public int compare(Object o1, Object o2) {
+				CustomItemProperties customitemproperties = (CustomItemProperties) o1;
+				CustomItemProperties customitemproperties1 = (CustomItemProperties) o2;
+				return customitemproperties.layer != customitemproperties1.layer
+						? customitemproperties.layer - customitemproperties1.layer
+						: (customitemproperties.weight != customitemproperties1.weight
+								? customitemproperties1.weight - customitemproperties.weight
+								: (!customitemproperties.basePath.equals(customitemproperties1.basePath)
+										? customitemproperties.basePath.compareTo(customitemproperties1.basePath)
+										: customitemproperties.name.compareTo(customitemproperties1.name)));
+			}
+		};
+		return comparator;
+	}
+
+	public static void updateIcons(TextureMap textureMap) {
+		for (CustomItemProperties customitemproperties : getAllProperties()) {
+			customitemproperties.updateIcons(textureMap);
+		}
+	}
+
+	public static void loadModels(ModelBakery modelBakery) {
+		for (CustomItemProperties customitemproperties : getAllProperties()) {
+			customitemproperties.loadModels(modelBakery);
+		}
+	}
+
+	public static void updateModels() {
+		for (CustomItemProperties customitemproperties : getAllProperties()) {
+			if (customitemproperties.type == 1) {
+				TextureMap texturemap = Minecraft.getMinecraft().getTextureMapBlocks();
+				customitemproperties.updateModelTexture(texturemap, itemModelGenerator);
+				customitemproperties.updateModelsFull();
+			}
+		}
+	}
+
+	private static List<CustomItemProperties> getAllProperties() {
+		List<CustomItemProperties> list = new ArrayList();
+		addAll(itemProperties, list);
+		addAll(enchantmentProperties, list);
+		return list;
+	}
+
+	private static void addAll(CustomItemProperties[][] cipsArr, List<CustomItemProperties> list) {
+		if (cipsArr != null) {
+			for (int i = 0; i < cipsArr.length; ++i) {
+				CustomItemProperties[] acustomitemproperties = cipsArr[i];
+
+				if (acustomitemproperties != null) {
+					for (int j = 0; j < acustomitemproperties.length; ++j) {
+						CustomItemProperties customitemproperties = acustomitemproperties[j];
+
+						if (customitemproperties != null) {
+							list.add(customitemproperties);
+						}
+					}
+				}
+			}
+		}
+	}
+
+	private static Map makeAutoImageProperties(IResourcePack rp) {
+		Map map = new HashMap();
+		map.putAll(makePotionImageProperties(rp, "normal", Item.getIdFromItem(Items.potionitem)));
+		map.putAll(makePotionImageProperties(rp, "splash", Item.getIdFromItem(Items.potionitem)));
+		map.putAll(makePotionImageProperties(rp, "linger", Item.getIdFromItem(Items.potionitem)));
+		return map;
+	}
+
+	private static Map makePotionImageProperties(IResourcePack rp, String type, int itemId) {
+		Map map = new HashMap();
+		String s = type + "/";
+		String[] astring = new String[] { "mcpatcher/cit/potion/" + s, "mcpatcher/cit/Potion/" + s, "optifine/cit/potion/" + s };
+		String[] astring1 = new String[] { ".png" };
+		Collection<String> astring2 = ResUtils.collectPotionFiles(rp, astring);
+
+		for (String s1 : astring2) {
+			String name = StrUtils.removePrefixSuffix(s1, astring, astring1);
+			Properties properties = makePotionProperties(name, type, itemId, s1);
+
+			if (properties != null) {
+				String s3 = StrUtils.removeSuffix(s1, astring1) + ".properties";
+				CustomItemProperties customitemproperties = new CustomItemProperties(properties, s3);
+				map.put(s3, customitemproperties);
+			}
+		}
+
+		return map;
+	}
+
+	private static Properties makePotionProperties(String name, String type, int itemId, String path) {
+		if (StrUtils.endsWith(name, new String[] { "_n", "_s" })) {
+			return null;
+		} else if (name.equals("empty") && type.equals("normal")) {
+			itemId = Item.getIdFromItem(Items.glass_bottle);
+			Properties properties = new PropertiesOrdered();
+			properties.put("type", "item");
+			properties.put("items", "" + itemId);
+			return properties;
+		} else {
+			int[] aint = (int[]) ((int[]) getMapPotionIds().get(name));
+
+			if (aint == null) {
+				Config.warn("Potion not found for image: " + path);
+				return null;
+			} else {
+				StringBuffer stringbuffer = new StringBuffer();
+
+				for (int i = 0; i < aint.length; ++i) {
+					int j = aint[i];
+
+					if (type.equals("splash")) {
+						j |= 16384;
+					}
+
+					if (i > 0) {
+						stringbuffer.append(" ");
+					}
+
+					stringbuffer.append(j);
+				}
+
+				int k = 16447;
+
+				if (name.equals("water") || name.equals("mundane")) {
+					k |= 64;
+				}
+
+				Properties properties1 = new PropertiesOrdered();
+				properties1.put("type", "item");
+				properties1.put("items", "" + itemId);
+				properties1.put("damage", "" + stringbuffer.toString());
+				properties1.put("damageMask", "" + k);
+
+				if (type.equals("splash")) {
+					properties1.put("texture.potion_bottle_splash", name);
+				} else {
+					properties1.put("texture.potion_bottle_drinkable", name);
+				}
+
+				return properties1;
+			}
+		}
+	}
+
+	private static Map getMapPotionIds() {
+		if (mapPotionIds == null) {
+			mapPotionIds = new LinkedHashMap();
+			mapPotionIds.put("water", getPotionId(0, 0));
+			mapPotionIds.put("awkward", getPotionId(0, 1));
+			mapPotionIds.put("thick", getPotionId(0, 2));
+			mapPotionIds.put("potent", getPotionId(0, 3));
+			mapPotionIds.put("regeneration", getPotionIds(1));
+			mapPotionIds.put("movespeed", getPotionIds(2));
+			mapPotionIds.put("fireresistance", getPotionIds(3));
+			mapPotionIds.put("poison", getPotionIds(4));
+			mapPotionIds.put("heal", getPotionIds(5));
+			mapPotionIds.put("nightvision", getPotionIds(6));
+			mapPotionIds.put("clear", getPotionId(7, 0));
+			mapPotionIds.put("bungling", getPotionId(7, 1));
+			mapPotionIds.put("charming", getPotionId(7, 2));
+			mapPotionIds.put("rank", getPotionId(7, 3));
+			mapPotionIds.put("weakness", getPotionIds(8));
+			mapPotionIds.put("damageboost", getPotionIds(9));
+			mapPotionIds.put("moveslowdown", getPotionIds(10));
+			mapPotionIds.put("leaping", getPotionIds(11));
+			mapPotionIds.put("harm", getPotionIds(12));
+			mapPotionIds.put("waterbreathing", getPotionIds(13));
+			mapPotionIds.put("invisibility", getPotionIds(14));
+			mapPotionIds.put("thin", getPotionId(15, 0));
+			mapPotionIds.put("debonair", getPotionId(15, 1));
+			mapPotionIds.put("sparkling", getPotionId(15, 2));
+			mapPotionIds.put("stinky", getPotionId(15, 3));
+			mapPotionIds.put("mundane", getPotionId(0, 4));
+			mapPotionIds.put("speed", mapPotionIds.get("movespeed"));
+			mapPotionIds.put("fire_resistance", mapPotionIds.get("fireresistance"));
+			mapPotionIds.put("instant_health", mapPotionIds.get("heal"));
+			mapPotionIds.put("night_vision", mapPotionIds.get("nightvision"));
+			mapPotionIds.put("strength", mapPotionIds.get("damageboost"));
+			mapPotionIds.put("slowness", mapPotionIds.get("moveslowdown"));
+			mapPotionIds.put("instant_damage", mapPotionIds.get("harm"));
+			mapPotionIds.put("water_breathing", mapPotionIds.get("waterbreathing"));
+		}
+
+		return mapPotionIds;
+	}
+
+	private static int[] getPotionIds(int baseId) {
+		return new int[] { baseId, baseId + 16, baseId + 32, baseId + 48 };
+	}
+
+	private static int[] getPotionId(int baseId, int subId) {
+		return new int[] { baseId + subId * 16 };
+	}
+
+	private static int getPotionNameDamage(String name) {
+		String s = "potion." + name;
+		Potion[] apotion = Potion.potionTypes;
+
+		for (int i = 0; i < apotion.length; ++i) {
+			Potion potion = apotion[i];
+
+			if (potion != null) {
+				String s1 = potion.getName();
+
+				if (s.equals(s1)) {
+					return potion.getId();
+				}
+			}
+		}
+
+		return -1;
+	}
+
+	private static List makePropertyList(CustomItemProperties[][] propsArr) {
+		List list = new ArrayList();
+
+		if (propsArr != null) {
+			for (int i = 0; i < propsArr.length; ++i) {
+				CustomItemProperties[] acustomitemproperties = propsArr[i];
+				List list1 = null;
+
+				if (acustomitemproperties != null) {
+					list1 = new ArrayList(Arrays.asList(acustomitemproperties));
+				}
+
+				list.add(list1);
+			}
+		}
+
+		return list;
+	}
+
+	private static CustomItemProperties[][] propertyListToArray(List list) {
+		CustomItemProperties[][] acustomitemproperties = new CustomItemProperties[list.size()][];
+
+		for (int i = 0; i < list.size(); ++i) {
+			List list1 = (List) list.get(i);
+
+			if (list1 != null) {
+				CustomItemProperties[] acustomitemproperties1 = (CustomItemProperties[]) ((CustomItemProperties[]) list1
+						.toArray(new CustomItemProperties[list1.size()]));
+				Arrays.sort(acustomitemproperties1, new CustomItemsComparator());
+				acustomitemproperties[i] = acustomitemproperties1;
+			}
+		}
+
+		return acustomitemproperties;
+	}
+
+	private static void addToItemList(CustomItemProperties cp, List itemList) {
+		if (cp.items != null) {
+			for (int i = 0; i < cp.items.length; ++i) {
+				int j = cp.items[i];
+
+				if (j <= 0) {
+					Config.warn("Invalid item ID: " + j);
+				} else {
+					addToList(cp, itemList, j);
+				}
+			}
+		}
+	}
+
+	private static void addToEnchantmentList(CustomItemProperties cp, List enchantmentList) {
+		if (cp.type == 2) {
+			if (cp.enchantmentIds != null) {
+				for (int i = 0; i < 256; ++i) {
+					if (cp.enchantmentIds.isInRange(i)) {
+						addToList(cp, enchantmentList, i);
+					}
+				}
+			}
+		}
+	}
+
+	private static void addToList(CustomItemProperties cp, List list, int id) {
+		while (id >= list.size()) {
+			list.add(null);
+		}
+
+		List list1 = (List) list.get(id);
+
+		if (list1 == null) {
+			list1 = new ArrayList();
+			list.set(id, list1);
+		}
+
+		list1.add(cp);
+	}
+
+	public static IBakedModel getCustomItemModel(ItemStack itemStack, IBakedModel model, ResourceLocation modelLocation,
+			boolean fullModel) {
+		if (!fullModel && model.isGui3d()) {
+			return model;
+		} else if (itemProperties == null) {
+			return model;
+		} else {
+			CustomItemProperties customitemproperties = getCustomItemProperties(itemStack, 1);
+
+			if (customitemproperties == null) {
+				return model;
+			} else {
+				IBakedModel ibakedmodel = customitemproperties.getBakedModel(modelLocation, fullModel);
+				return ibakedmodel != null ? ibakedmodel : model;
+			}
+		}
+	}
+
+	public static boolean bindCustomArmorTexture(ItemStack itemStack, int layer, String overlay) {
+		if (itemProperties == null) {
+			return false;
+		} else {
+			ResourceLocation resourcelocation = getCustomArmorLocation(itemStack, layer, overlay);
+
+			if (resourcelocation == null) {
+				return false;
+			} else {
+				Minecraft.getMinecraft().getTextureManager().bindTexture(resourcelocation);
+				return true;
+			}
+		}
+	}
+
+	private static ResourceLocation getCustomArmorLocation(ItemStack itemStack, int layer, String overlay) {
+		CustomItemProperties customitemproperties = getCustomItemProperties(itemStack, 3);
+
+		if (customitemproperties == null) {
+			return null;
+		} else if (customitemproperties.mapTextureLocations == null) {
+			return customitemproperties.textureLocation;
+		} else {
+			Item item = itemStack.getItem();
+
+			if (!(item instanceof ItemArmor)) {
+				return null;
+			} else {
+				ItemArmor itemarmor = (ItemArmor) item;
+				String s = itemarmor.getArmorMaterial().getName();
+				StringBuffer stringbuffer = new StringBuffer();
+				stringbuffer.append("texture.");
+				stringbuffer.append(s);
+				stringbuffer.append("_layer_");
+				stringbuffer.append(layer);
+
+				if (overlay != null) {
+					stringbuffer.append("_");
+					stringbuffer.append(overlay);
+				}
+
+				String s1 = stringbuffer.toString();
+				ResourceLocation resourcelocation = (ResourceLocation) customitemproperties.mapTextureLocations.get(s1);
+				return resourcelocation == null ? customitemproperties.textureLocation : resourcelocation;
+			}
+		}
+	}
+
+	private static CustomItemProperties getCustomItemProperties(ItemStack itemStack, int type) {
+		if (itemProperties == null) {
+			return null;
+		} else if (itemStack == null) {
+			return null;
+		} else {
+			Item item = itemStack.getItem();
+			int i = Item.getIdFromItem(item);
+
+			if (i >= 0 && i < itemProperties.length) {
+				CustomItemProperties[] acustomitemproperties = itemProperties[i];
+
+				if (acustomitemproperties != null) {
+					for (int j = 0; j < acustomitemproperties.length; ++j) {
+						CustomItemProperties customitemproperties = acustomitemproperties[j];
+
+						if (customitemproperties.type == type
+								&& matchesProperties(customitemproperties, itemStack, (int[][]) null)) {
+							return customitemproperties;
+						}
+					}
+				}
+			}
+
+			return null;
+		}
+	}
+
+	private static boolean matchesProperties(CustomItemProperties cip, ItemStack itemStack,
+			int[][] enchantmentIdLevels) {
+		Item item = itemStack.getItem();
+
+		if (cip.damage != null) {
+			int i = itemStack.getItemDamage();
+
+			if (cip.damageMask != 0) {
+				i &= cip.damageMask;
+			}
+
+			if (cip.damagePercent) {
+				int j = item.getMaxDamage();
+				i = (int) ((double) (i * 100) / (double) j);
+			}
+
+			if (!cip.damage.isInRange(i)) {
+				return false;
+			}
+		}
+
+		if (cip.stackSize != null && !cip.stackSize.isInRange(itemStack.stackSize)) {
+			return false;
+		} else {
+			int[][] aint = enchantmentIdLevels;
+
+			if (cip.enchantmentIds != null) {
+				if (enchantmentIdLevels == null) {
+					aint = getEnchantmentIdLevels(itemStack);
+				}
+
+				boolean flag = false;
+
+				for (int k = 0; k < aint.length; ++k) {
+					int l = aint[k][0];
+
+					if (cip.enchantmentIds.isInRange(l)) {
+						flag = true;
+						break;
+					}
+				}
+
+				if (!flag) {
+					return false;
+				}
+			}
+
+			if (cip.enchantmentLevels != null) {
+				if (aint == null) {
+					aint = getEnchantmentIdLevels(itemStack);
+				}
+
+				boolean flag1 = false;
+
+				for (int i1 = 0; i1 < aint.length; ++i1) {
+					int k1 = aint[i1][1];
+
+					if (cip.enchantmentLevels.isInRange(k1)) {
+						flag1 = true;
+						break;
+					}
+				}
+
+				if (!flag1) {
+					return false;
+				}
+			}
+
+			if (cip.nbtTagValues != null) {
+				NBTTagCompound nbttagcompound = itemStack.getTagCompound();
+
+				for (int j1 = 0; j1 < cip.nbtTagValues.length; ++j1) {
+					NbtTagValue nbttagvalue = cip.nbtTagValues[j1];
+
+					if (!nbttagvalue.matches(nbttagcompound)) {
+						return false;
+					}
+				}
+			}
+
+			if (cip.hand != 0) {
+				if (cip.hand == 1 && renderOffHand) {
+					return false;
+				}
+
+				if (cip.hand == 2 && !renderOffHand) {
+					return false;
+				}
+			}
+
+			return true;
+		}
+	}
+
+	private static int[][] getEnchantmentIdLevels(ItemStack itemStack) {
+		Item item = itemStack.getItem();
+		NBTTagList nbttaglist = item == Items.enchanted_book ? Items.enchanted_book.getEnchantments(itemStack)
+				: itemStack.getEnchantmentTagList();
+
+		if (nbttaglist != null && nbttaglist.tagCount() > 0) {
+			int[][] aint = new int[nbttaglist.tagCount()][2];
+
+			for (int i = 0; i < nbttaglist.tagCount(); ++i) {
+				NBTTagCompound nbttagcompound = nbttaglist.getCompoundTagAt(i);
+				int j = nbttagcompound.getShort("id");
+				int k = nbttagcompound.getShort("lvl");
+				aint[i][0] = j;
+				aint[i][1] = k;
+			}
+
+			return aint;
+		} else {
+			return EMPTY_INT2_ARRAY;
+		}
+	}
+
+	public static boolean renderCustomEffect(RenderItem renderItem, ItemStack itemStack, IBakedModel model) {
+		if (enchantmentProperties == null) {
+			return false;
+		} else if (itemStack == null) {
+			return false;
+		} else {
+			int[][] aint = getEnchantmentIdLevels(itemStack);
+
+			if (aint.length <= 0) {
+				return false;
+			} else {
+				Set set = null;
+				boolean flag = false;
+				TextureManager texturemanager = Minecraft.getMinecraft().getTextureManager();
+
+				for (int i = 0; i < aint.length; ++i) {
+					int j = aint[i][0];
+
+					if (j >= 0 && j < enchantmentProperties.length) {
+						CustomItemProperties[] acustomitemproperties = enchantmentProperties[j];
+
+						if (acustomitemproperties != null) {
+							for (int k = 0; k < acustomitemproperties.length; ++k) {
+								CustomItemProperties customitemproperties = acustomitemproperties[k];
+
+								if (set == null) {
+									set = new HashSet();
+								}
+
+								if (set.add(Integer.valueOf(j))
+										&& matchesProperties(customitemproperties, itemStack, aint)
+										&& customitemproperties.textureLocation != null) {
+									texturemanager.bindTexture(customitemproperties.textureLocation);
+									float f = customitemproperties.getTextureWidth(texturemanager);
+
+									if (!flag) {
+										flag = true;
+										GlStateManager.depthMask(false);
+										GlStateManager.depthFunc(514);
+										GlStateManager.disableLighting();
+										GlStateManager.matrixMode(5890);
+									}
+
+									Blender.setupBlend(customitemproperties.blend, 1.0F);
+									GlStateManager.pushMatrix();
+									GlStateManager.scale(f / 2.0F, f / 2.0F, f / 2.0F);
+									float f1 = customitemproperties.speed * (float) (Minecraft.getSystemTime() % 3000L)
+											/ 3000.0F / 8.0F;
+									GlStateManager.translate(f1, 0.0F, 0.0F);
+									GlStateManager.rotate(customitemproperties.rotation, 0.0F, 0.0F, 1.0F);
+									renderItem.renderModel(model, -1);
+									GlStateManager.popMatrix();
+								}
+							}
+						}
+					}
+				}
+
+				if (flag) {
+					GlStateManager.enableAlpha();
+					GlStateManager.enableBlend();
+					GlStateManager.blendFunc(770, 771);
+					GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
+					GlStateManager.matrixMode(5888);
+					GlStateManager.enableLighting();
+					GlStateManager.depthFunc(515);
+					GlStateManager.depthMask(true);
+					texturemanager.bindTexture(TextureMap.locationBlocksTexture);
+				}
+
+				return flag;
+			}
+		}
+	}
+
+	public static boolean renderCustomArmorEffect(EntityLivingBase entity, ItemStack itemStack, ModelBase model,
+			float limbSwing, float prevLimbSwing, float partialTicks, float timeLimbSwing, float yaw, float pitch,
+			float scale) {
+		if (enchantmentProperties == null) {
+			return false;
+		} else if (itemStack == null) {
+			return false;
+		} else {
+			int[][] aint = getEnchantmentIdLevels(itemStack);
+
+			if (aint.length <= 0) {
+				return false;
+			} else {
+				Set set = null;
+				boolean flag = false;
+				TextureManager texturemanager = Minecraft.getMinecraft().getTextureManager();
+
+				for (int i = 0; i < aint.length; ++i) {
+					int j = aint[i][0];
+
+					if (j >= 0 && j < enchantmentProperties.length) {
+						CustomItemProperties[] acustomitemproperties = enchantmentProperties[j];
+
+						if (acustomitemproperties != null) {
+							for (int k = 0; k < acustomitemproperties.length; ++k) {
+								CustomItemProperties customitemproperties = acustomitemproperties[k];
+
+								if (set == null) {
+									set = new HashSet();
+								}
+
+								if (set.add(Integer.valueOf(j))
+										&& matchesProperties(customitemproperties, itemStack, aint)
+										&& customitemproperties.textureLocation != null) {
+									texturemanager.bindTexture(customitemproperties.textureLocation);
+									float f = customitemproperties.getTextureWidth(texturemanager);
+
+									if (!flag) {
+										flag = true;
+										GlStateManager.enableBlend();
+										GlStateManager.depthFunc(514);
+										GlStateManager.depthMask(false);
+									}
+
+									Blender.setupBlend(customitemproperties.blend, 1.0F);
+									GlStateManager.disableLighting();
+									GlStateManager.matrixMode(5890);
+									GlStateManager.loadIdentity();
+									GlStateManager.rotate(customitemproperties.rotation, 0.0F, 0.0F, 1.0F);
+									float f1 = f / 8.0F;
+									GlStateManager.scale(f1, f1 / 2.0F, f1);
+									float f2 = customitemproperties.speed * (float) (Minecraft.getSystemTime() % 3000L)
+											/ 3000.0F / 8.0F;
+									GlStateManager.translate(0.0F, f2, 0.0F);
+									GlStateManager.matrixMode(5888);
+									model.render(entity, limbSwing, prevLimbSwing, timeLimbSwing, yaw, pitch, scale);
+								}
+							}
+						}
+					}
+				}
+
+				if (flag) {
+					GlStateManager.enableAlpha();
+					GlStateManager.enableBlend();
+					GlStateManager.blendFunc(770, 771);
+					GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
+					GlStateManager.matrixMode(5890);
+					GlStateManager.loadIdentity();
+					GlStateManager.matrixMode(5888);
+					GlStateManager.enableLighting();
+					GlStateManager.depthMask(true);
+					GlStateManager.depthFunc(515);
+					GlStateManager.disableBlend();
+				}
+
+				return flag;
+			}
+		}
+	}
+
+	public static boolean isUseGlint() {
+		return useGlint;
+	}
+}

sources/main/java/net/optifine/CustomItemsComparator.java

@@ -0,0 +1,15 @@
+package net.optifine;
+
+import java.util.Comparator;
+
+public class CustomItemsComparator implements Comparator {
+	public int compare(Object o1, Object o2) {
+		CustomItemProperties customitemproperties = (CustomItemProperties) o1;
+		CustomItemProperties customitemproperties1 = (CustomItemProperties) o2;
+		return customitemproperties.weight != customitemproperties1.weight
+				? customitemproperties1.weight - customitemproperties.weight
+				: (!Config.equals(customitemproperties.basePath, customitemproperties1.basePath)
+						? customitemproperties.basePath.compareTo(customitemproperties1.basePath)
+						: customitemproperties.name.compareTo(customitemproperties1.name));
+	}
+}

sources/main/java/net/optifine/CustomSky.java

@@ -0,0 +1,149 @@
+package net.optifine;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Properties;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.texture.ITextureObject;
+import net.minecraft.client.renderer.texture.TextureManager;
+import net.minecraft.util.ResourceLocation;
+import net.minecraft.world.World;
+import net.optifine.render.Blender;
+import net.optifine.util.PropertiesOrdered;
+
+public class CustomSky {
+	private static CustomSkyLayer[][] worldSkyLayers = (CustomSkyLayer[][]) null;
+
+	public static void reset() {
+		worldSkyLayers = (CustomSkyLayer[][]) null;
+	}
+
+	public static void update() {
+		reset();
+
+		if (Config.isCustomSky()) {
+			worldSkyLayers = readCustomSkies();
+		}
+	}
+
+	private static CustomSkyLayer[][] readCustomSkies() {
+		CustomSkyLayer[][] acustomskylayer = new CustomSkyLayer[10][0];
+		String s = "mcpatcher/sky/world";
+		int i = -1;
+
+		for (int j = 0; j < acustomskylayer.length; ++j) {
+			String s1 = s + j + "/sky";
+			List list = new ArrayList();
+
+			for (int k = 1; k < 1000; ++k) {
+				String s2 = s1 + k + ".properties";
+				ResourceLocation resourcelocation = new ResourceLocation(s2);
+
+				try (InputStream inputstream = Minecraft.getMinecraft().getResourceManager()
+						.getResource(resourcelocation).getInputStream()) {
+					if (inputstream == null) {
+						break;
+					}
+
+					Properties properties = new PropertiesOrdered();
+					properties.load(inputstream);
+					inputstream.close();
+					Config.dbg("CustomSky properties: " + s2);
+					String s3 = s1 + k + ".png";
+					CustomSkyLayer customskylayer = new CustomSkyLayer(properties, s3);
+
+					if (customskylayer.isValid(s2)) {
+						ResourceLocation resourcelocation1 = new ResourceLocation(customskylayer.source);
+						TextureManager mgr = Minecraft.getMinecraft().getTextureManager();
+						mgr.bindTexture(resourcelocation1);
+						ITextureObject itextureobject = mgr.getTexture(resourcelocation1);
+
+						if (itextureobject == null) {
+							Config.warn("CustomSky: Texture not found: " + resourcelocation1);
+						} else {
+							customskylayer.textureId = itextureobject.getGlTextureId();
+							list.add(customskylayer);
+							inputstream.close();
+						}
+					}
+				} catch (FileNotFoundException var15) {
+					break;
+				} catch (IOException ioexception) {
+					ioexception.printStackTrace();
+				}
+			}
+
+			if (list.size() > 0) {
+				CustomSkyLayer[] acustomskylayer2 = (CustomSkyLayer[]) ((CustomSkyLayer[]) list
+						.toArray(new CustomSkyLayer[list.size()]));
+				acustomskylayer[j] = acustomskylayer2;
+				i = j;
+			}
+		}
+
+		if (i < 0) {
+			return (CustomSkyLayer[][]) null;
+		} else {
+			int l = i + 1;
+			CustomSkyLayer[][] acustomskylayer1 = new CustomSkyLayer[l][0];
+
+			for (int i1 = 0; i1 < acustomskylayer1.length; ++i1) {
+				acustomskylayer1[i1] = acustomskylayer[i1];
+			}
+
+			return acustomskylayer1;
+		}
+	}
+
+	public static void renderSky(World world, TextureManager re, float partialTicks) {
+		if (worldSkyLayers != null) {
+			int i = world.provider.getDimensionId();
+
+			if (i >= 0 && i < worldSkyLayers.length) {
+				CustomSkyLayer[] acustomskylayer = worldSkyLayers[i];
+
+				if (acustomskylayer != null) {
+					long j = world.getWorldTime();
+					int k = (int) (j % 24000L);
+					float f = world.getCelestialAngle(partialTicks);
+					float f1 = world.getRainStrength(partialTicks);
+					float f2 = world.getThunderStrength(partialTicks);
+
+					if (f1 > 0.0F) {
+						f2 /= f1;
+					}
+
+					for (int l = 0; l < acustomskylayer.length; ++l) {
+						CustomSkyLayer customskylayer = acustomskylayer[l];
+
+						if (customskylayer.isActive(world, k)) {
+							customskylayer.render(world, k, f, f1, f2);
+						}
+					}
+
+					float f3 = 1.0F - f1;
+					Blender.clearBlend(f3);
+				}
+			}
+		}
+	}
+
+	public static boolean hasSkyLayers(World world) {
+		if (worldSkyLayers == null) {
+			return false;
+		} else {
+			int i = world.provider.getDimensionId();
+
+			if (i >= 0 && i < worldSkyLayers.length) {
+				CustomSkyLayer[] acustomskylayer = worldSkyLayers[i];
+				return acustomskylayer == null ? false : acustomskylayer.length > 0;
+			} else {
+				return false;
+			}
+		}
+	}
+}

sources/main/java/net/optifine/CustomSkyLayer.java

@@ -0,0 +1,434 @@
+package net.optifine;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Properties;
+
+import net.lax1dude.eaglercraft.v1_8.opengl.GlStateManager;
+import net.lax1dude.eaglercraft.v1_8.opengl.WorldRenderer;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.Tessellator;
+import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
+import net.minecraft.entity.Entity;
+import net.minecraft.util.BlockPos;
+import net.minecraft.util.MathHelper;
+import net.minecraft.world.World;
+import net.minecraft.world.biome.BiomeGenBase;
+import net.optifine.config.ConnectedParser;
+import net.optifine.config.Matches;
+import net.optifine.config.RangeListInt;
+import net.optifine.render.Blender;
+import net.optifine.util.NumUtils;
+import net.optifine.util.SmoothFloat;
+import net.optifine.util.TextureUtils;
+
+public class CustomSkyLayer {
+	public String source = null;
+	private int startFadeIn = -1;
+	private int endFadeIn = -1;
+	private int startFadeOut = -1;
+	private int endFadeOut = -1;
+	private int blend = 1;
+	private boolean rotate = false;
+	private float speed = 1.0F;
+	private float[] axis;
+	private RangeListInt days;
+	private int daysLoop;
+	private boolean weatherClear;
+	private boolean weatherRain;
+	private boolean weatherThunder;
+	public BiomeGenBase[] biomes;
+	public RangeListInt heights;
+	private float transition;
+	private SmoothFloat smoothPositionBrightness;
+	public int textureId;
+	private World lastWorld;
+	public static final float[] DEFAULT_AXIS = new float[] { 1.0F, 0.0F, 0.0F };
+	private static final String WEATHER_CLEAR = "clear";
+	private static final String WEATHER_RAIN = "rain";
+	private static final String WEATHER_THUNDER = "thunder";
+
+	public CustomSkyLayer(Properties props, String defSource) {
+		this.axis = DEFAULT_AXIS;
+		this.days = null;
+		this.daysLoop = 8;
+		this.weatherClear = true;
+		this.weatherRain = false;
+		this.weatherThunder = false;
+		this.biomes = null;
+		this.heights = null;
+		this.transition = 1.0F;
+		this.smoothPositionBrightness = null;
+		this.textureId = -1;
+		this.lastWorld = null;
+		ConnectedParser connectedparser = new ConnectedParser("CustomSky");
+		this.source = props.getProperty("source", defSource);
+		this.startFadeIn = this.parseTime(props.getProperty("startFadeIn"));
+		this.endFadeIn = this.parseTime(props.getProperty("endFadeIn"));
+		this.startFadeOut = this.parseTime(props.getProperty("startFadeOut"));
+		this.endFadeOut = this.parseTime(props.getProperty("endFadeOut"));
+		this.blend = Blender.parseBlend(props.getProperty("blend"));
+		this.rotate = this.parseBoolean(props.getProperty("rotate"), true);
+		this.speed = this.parseFloat(props.getProperty("speed"), 1.0F);
+		this.axis = this.parseAxis(props.getProperty("axis"), DEFAULT_AXIS);
+		this.days = connectedparser.parseRangeListInt(props.getProperty("days"));
+		this.daysLoop = connectedparser.parseInt(props.getProperty("daysLoop"), 8);
+		List<String> list = this.parseWeatherList(props.getProperty("weather", "clear"));
+		this.weatherClear = list.contains("clear");
+		this.weatherRain = list.contains("rain");
+		this.weatherThunder = list.contains("thunder");
+		this.biomes = connectedparser.parseBiomes(props.getProperty("biomes"));
+		this.heights = connectedparser.parseRangeListInt(props.getProperty("heights"));
+		this.transition = this.parseFloat(props.getProperty("transition"), 1.0F);
+	}
+
+	private List<String> parseWeatherList(String str) {
+		List<String> list = Arrays.<String>asList(new String[] { "clear", "rain", "thunder" });
+		List<String> list1 = new ArrayList();
+		String[] astring = Config.tokenize(str, " ");
+
+		for (int i = 0; i < astring.length; ++i) {
+			String s = astring[i];
+
+			if (!list.contains(s)) {
+				Config.warn("Unknown weather: " + s);
+			} else {
+				list1.add(s);
+			}
+		}
+
+		return list1;
+	}
+
+	private int parseTime(String str) {
+		if (str == null) {
+			return -1;
+		} else {
+			String[] astring = Config.tokenize(str, ":");
+
+			if (astring.length != 2) {
+				Config.warn("Invalid time: " + str);
+				return -1;
+			} else {
+				String s = astring[0];
+				String s1 = astring[1];
+				int i = Config.parseInt(s, -1);
+				int j = Config.parseInt(s1, -1);
+
+				if (i >= 0 && i <= 23 && j >= 0 && j <= 59) {
+					i = i - 6;
+
+					if (i < 0) {
+						i += 24;
+					}
+
+					int k = i * 1000 + (int) ((double) j / 60.0D * 1000.0D);
+					return k;
+				} else {
+					Config.warn("Invalid time: " + str);
+					return -1;
+				}
+			}
+		}
+	}
+
+	private boolean parseBoolean(String str, boolean defVal) {
+		if (str == null) {
+			return defVal;
+		} else if (str.toLowerCase().equals("true")) {
+			return true;
+		} else if (str.toLowerCase().equals("false")) {
+			return false;
+		} else {
+			Config.warn("Unknown boolean: " + str);
+			return defVal;
+		}
+	}
+
+	private float parseFloat(String str, float defVal) {
+		if (str == null) {
+			return defVal;
+		} else {
+			float f = Config.parseFloat(str, Float.MIN_VALUE);
+
+			if (f == Float.MIN_VALUE) {
+				Config.warn("Invalid value: " + str);
+				return defVal;
+			} else {
+				return f;
+			}
+		}
+	}
+
+	private float[] parseAxis(String str, float[] defVal) {
+		if (str == null) {
+			return defVal;
+		} else {
+			String[] astring = Config.tokenize(str, " ");
+
+			if (astring.length != 3) {
+				Config.warn("Invalid axis: " + str);
+				return defVal;
+			} else {
+				float[] afloat = new float[3];
+
+				for (int i = 0; i < astring.length; ++i) {
+					afloat[i] = Config.parseFloat(astring[i], Float.MIN_VALUE);
+
+					if (afloat[i] == Float.MIN_VALUE) {
+						Config.warn("Invalid axis: " + str);
+						return defVal;
+					}
+
+					if (afloat[i] < -1.0F || afloat[i] > 1.0F) {
+						Config.warn("Invalid axis values: " + str);
+						return defVal;
+					}
+				}
+
+				float f2 = afloat[0];
+				float f = afloat[1];
+				float f1 = afloat[2];
+
+				float l = f2 * f2 + f * f + f1 * f1;
+				if (l < 1.0E-5F) {
+					Config.warn("Invalid axis values: " + str);
+					return defVal;
+				} else {
+					l = MathHelper.sqrt_float(l);
+					return new float[] { f1 / l, f / l, -f2 / l };
+				}
+			}
+		}
+	}
+
+	public boolean isValid(String path) {
+		if (this.source == null) {
+			Config.warn("No source texture: " + path);
+			return false;
+		} else {
+			this.source = TextureUtils.fixResourcePath(this.source, TextureUtils.getBasePath(path));
+
+			if (this.startFadeIn >= 0 && this.endFadeIn >= 0 && this.endFadeOut >= 0) {
+				int i = this.normalizeTime(this.endFadeIn - this.startFadeIn);
+
+				if (this.startFadeOut < 0) {
+					this.startFadeOut = this.normalizeTime(this.endFadeOut - i);
+
+					if (this.timeBetween(this.startFadeOut, this.startFadeIn, this.endFadeIn)) {
+						this.startFadeOut = this.endFadeIn;
+					}
+				}
+
+				int j = this.normalizeTime(this.startFadeOut - this.endFadeIn);
+				int k = this.normalizeTime(this.endFadeOut - this.startFadeOut);
+				int l = this.normalizeTime(this.startFadeIn - this.endFadeOut);
+				int i1 = i + j + k + l;
+
+				if (i1 != 24000) {
+					Config.warn("Invalid fadeIn/fadeOut times, sum is not 24h: " + i1);
+					return false;
+				} else if (this.speed < 0.0F) {
+					Config.warn("Invalid speed: " + this.speed);
+					return false;
+				} else if (this.daysLoop <= 0) {
+					Config.warn("Invalid daysLoop: " + this.daysLoop);
+					return false;
+				} else {
+					return true;
+				}
+			} else {
+				Config.warn("Invalid times, required are: startFadeIn, endFadeIn and endFadeOut.");
+				return false;
+			}
+		}
+	}
+
+	private int normalizeTime(int timeMc) {
+		while (timeMc >= 24000) {
+			timeMc -= 24000;
+		}
+
+		while (timeMc < 0) {
+			timeMc += 24000;
+		}
+
+		return timeMc;
+	}
+
+	public void render(World world, int timeOfDay, float celestialAngle, float rainStrength, float thunderStrength) {
+		float f = this.getPositionBrightness(world);
+		float f1 = this.getWeatherBrightness(rainStrength, thunderStrength);
+		float f2 = this.getFadeBrightness(timeOfDay);
+		float f3 = f * f1 * f2;
+		f3 = Config.limit(f3, 0.0F, 1.0F);
+
+		if (f3 >= 1.0E-4F) {
+			GlStateManager.bindTexture(this.textureId);
+			Blender.setupBlend(this.blend, f3);
+			GlStateManager.pushMatrix();
+
+			if (this.rotate) {
+				float f4 = 0.0F;
+
+				if (this.speed != (float) Math.round(this.speed)) {
+					long i = (world.getWorldTime() + 18000L) / 24000L;
+					double d0 = (double) (this.speed % 1.0F);
+					double d1 = (double) i * d0;
+					f4 = (float) (d1 % 1.0D);
+				}
+
+				GlStateManager.rotate(360.0F * (f4 + celestialAngle * this.speed), this.axis[0], this.axis[1],
+						this.axis[2]);
+			}
+
+			Tessellator tessellator = Tessellator.getInstance();
+			GlStateManager.rotate(90.0F, 1.0F, 0.0F, 0.0F);
+			GlStateManager.rotate(-90.0F, 0.0F, 0.0F, 1.0F);
+			this.renderSide(tessellator, 4);
+			GlStateManager.pushMatrix();
+			GlStateManager.rotate(90.0F, 1.0F, 0.0F, 0.0F);
+			this.renderSide(tessellator, 1);
+			GlStateManager.popMatrix();
+			GlStateManager.pushMatrix();
+			GlStateManager.rotate(-90.0F, 1.0F, 0.0F, 0.0F);
+			this.renderSide(tessellator, 0);
+			GlStateManager.popMatrix();
+			GlStateManager.rotate(90.0F, 0.0F, 0.0F, 1.0F);
+			this.renderSide(tessellator, 5);
+			GlStateManager.rotate(90.0F, 0.0F, 0.0F, 1.0F);
+			this.renderSide(tessellator, 2);
+			GlStateManager.rotate(90.0F, 0.0F, 0.0F, 1.0F);
+			this.renderSide(tessellator, 3);
+			GlStateManager.popMatrix();
+		}
+	}
+
+	private float getPositionBrightness(World world) {
+		if (this.biomes == null && this.heights == null) {
+			return 1.0F;
+		} else {
+			float f = this.getPositionBrightnessRaw(world);
+
+			if (this.smoothPositionBrightness == null) {
+				this.smoothPositionBrightness = new SmoothFloat(f, this.transition);
+			}
+
+			f = this.smoothPositionBrightness.getSmoothValue(f);
+			return f;
+		}
+	}
+
+	private float getPositionBrightnessRaw(World world) {
+		Entity entity = Minecraft.getMinecraft().getRenderViewEntity();
+
+		if (entity == null) {
+			return 0.0F;
+		} else {
+			BlockPos blockpos = entity.getPosition();
+
+			if (this.biomes != null) {
+				BiomeGenBase biomegenbase = world.getBiomeGenForCoords(blockpos);
+
+				if (biomegenbase == null) {
+					return 0.0F;
+				}
+
+				if (!Matches.biome(biomegenbase, this.biomes)) {
+					return 0.0F;
+				}
+			}
+
+			return this.heights != null && !this.heights.isInRange(blockpos.getY()) ? 0.0F : 1.0F;
+		}
+	}
+
+	private float getWeatherBrightness(float rainStrength, float thunderStrength) {
+		float f = 1.0F - rainStrength;
+		float f1 = rainStrength - thunderStrength;
+		float f2 = 0.0F;
+
+		if (this.weatherClear) {
+			f2 += f;
+		}
+
+		if (this.weatherRain) {
+			f2 += f1;
+		}
+
+		if (this.weatherThunder) {
+			f2 += thunderStrength;
+		}
+
+		f2 = NumUtils.limit(f2, 0.0F, 1.0F);
+		return f2;
+	}
+
+	private float getFadeBrightness(int timeOfDay) {
+		if (this.timeBetween(timeOfDay, this.startFadeIn, this.endFadeIn)) {
+			int k = this.normalizeTime(this.endFadeIn - this.startFadeIn);
+			int l = this.normalizeTime(timeOfDay - this.startFadeIn);
+			return (float) l / (float) k;
+		} else if (this.timeBetween(timeOfDay, this.endFadeIn, this.startFadeOut)) {
+			return 1.0F;
+		} else if (this.timeBetween(timeOfDay, this.startFadeOut, this.endFadeOut)) {
+			int i = this.normalizeTime(this.endFadeOut - this.startFadeOut);
+			int j = this.normalizeTime(timeOfDay - this.startFadeOut);
+			return 1.0F - (float) j / (float) i;
+		} else {
+			return 0.0F;
+		}
+	}
+
+	private void renderSide(Tessellator tess, int side) {
+		WorldRenderer worldrenderer = tess.getWorldRenderer();
+		double d0 = (double) (side % 3) / 3.0D;
+		double d1 = (double) (side / 3) / 2.0D;
+		worldrenderer.begin(7, DefaultVertexFormats.POSITION_TEX);
+		worldrenderer.pos(-100.0D, -100.0D, -100.0D).tex(d0, d1).endVertex();
+		worldrenderer.pos(-100.0D, -100.0D, 100.0D).tex(d0, d1 + 0.5D).endVertex();
+		worldrenderer.pos(100.0D, -100.0D, 100.0D).tex(d0 + 0.3333333333333333D, d1 + 0.5D).endVertex();
+		worldrenderer.pos(100.0D, -100.0D, -100.0D).tex(d0 + 0.3333333333333333D, d1).endVertex();
+		tess.draw();
+	}
+
+	public boolean isActive(World world, int timeOfDay) {
+		if (world != this.lastWorld) {
+			this.lastWorld = world;
+			this.smoothPositionBrightness = null;
+		}
+
+		if (this.timeBetween(timeOfDay, this.endFadeOut, this.startFadeIn)) {
+			return false;
+		} else {
+			if (this.days != null) {
+				long i = world.getWorldTime();
+				long j;
+
+				for (j = i - (long) this.startFadeIn; j < 0L; j += (long) (24000 * this.daysLoop)) {
+					;
+				}
+
+				int k = (int) (j / 24000L);
+				int l = k % this.daysLoop;
+
+				if (!this.days.isInRange(l)) {
+					return false;
+				}
+			}
+
+			return true;
+		}
+	}
+
+	private boolean timeBetween(int timeOfDay, int timeStart, int timeEnd) {
+		return timeStart <= timeEnd ? timeOfDay >= timeStart && timeOfDay <= timeEnd
+				: timeOfDay >= timeStart || timeOfDay <= timeEnd;
+	}
+
+	public String toString() {
+		return "" + this.source + ", " + this.startFadeIn + "-" + this.endFadeIn + " " + this.startFadeOut + "-"
+				+ this.endFadeOut;
+	}
+}

sources/main/java/net/optifine/SmartLeaves.java

@@ -0,0 +1,198 @@
+package net.optifine;
+
+import java.util.ArrayList;
+import java.util.List;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockNewLeaf;
+import net.minecraft.block.BlockOldLeaf;
+import net.minecraft.block.BlockPlanks;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.block.model.BakedQuad;
+import net.minecraft.client.resources.DefaultResourcePack;
+import net.minecraft.client.resources.model.IBakedModel;
+import net.minecraft.client.resources.model.ModelManager;
+import net.minecraft.client.resources.model.ModelResourceLocation;
+import net.minecraft.util.EnumFacing;
+import net.minecraft.util.ResourceLocation;
+import net.optifine.model.ModelUtils;
+
+public class SmartLeaves {
+	private static IBakedModel modelLeavesCullAcacia = null;
+	private static IBakedModel modelLeavesCullBirch = null;
+	private static IBakedModel modelLeavesCullDarkOak = null;
+	private static IBakedModel modelLeavesCullJungle = null;
+	private static IBakedModel modelLeavesCullOak = null;
+	private static IBakedModel modelLeavesCullSpruce = null;
+	private static List generalQuadsCullAcacia = null;
+	private static List generalQuadsCullBirch = null;
+	private static List generalQuadsCullDarkOak = null;
+	private static List generalQuadsCullJungle = null;
+	private static List generalQuadsCullOak = null;
+	private static List generalQuadsCullSpruce = null;
+	private static IBakedModel modelLeavesDoubleAcacia = null;
+	private static IBakedModel modelLeavesDoubleBirch = null;
+	private static IBakedModel modelLeavesDoubleDarkOak = null;
+	private static IBakedModel modelLeavesDoubleJungle = null;
+	private static IBakedModel modelLeavesDoubleOak = null;
+	private static IBakedModel modelLeavesDoubleSpruce = null;
+
+	public static IBakedModel getLeavesModel(IBakedModel model, IBlockState stateIn) {
+		if (!Config.isTreesSmart()) {
+			return model;
+		} else {
+			List list = model.getGeneralQuads();
+			return list == generalQuadsCullAcacia ? modelLeavesDoubleAcacia
+					: (list == generalQuadsCullBirch ? modelLeavesDoubleBirch
+							: (list == generalQuadsCullDarkOak ? modelLeavesDoubleDarkOak
+									: (list == generalQuadsCullJungle ? modelLeavesDoubleJungle
+											: (list == generalQuadsCullOak ? modelLeavesDoubleOak
+													: (list == generalQuadsCullSpruce ? modelLeavesDoubleSpruce
+															: model)))));
+		}
+	}
+
+	public static boolean isSameLeaves(IBlockState state1, IBlockState state2) {
+		if (state1 == state2) {
+			return true;
+		} else {
+			Block block = state1.getBlock();
+			Block block1 = state2.getBlock();
+			return block != block1 ? false
+					: (block instanceof BlockOldLeaf
+							? ((BlockPlanks.EnumType) state1.getValue(BlockOldLeaf.VARIANT))
+									.equals(state2.getValue(BlockOldLeaf.VARIANT))
+							: (block instanceof BlockNewLeaf
+									? ((BlockPlanks.EnumType) state1.getValue(BlockNewLeaf.VARIANT)).equals(
+											state2.getValue(BlockNewLeaf.VARIANT))
+									: false));
+		}
+	}
+
+	public static void updateLeavesModels() {
+		List list = new ArrayList();
+		modelLeavesCullAcacia = getModelCull("acacia", list);
+		modelLeavesCullBirch = getModelCull("birch", list);
+		modelLeavesCullDarkOak = getModelCull("dark_oak", list);
+		modelLeavesCullJungle = getModelCull("jungle", list);
+		modelLeavesCullOak = getModelCull("oak", list);
+		modelLeavesCullSpruce = getModelCull("spruce", list);
+		generalQuadsCullAcacia = getGeneralQuadsSafe(modelLeavesCullAcacia);
+		generalQuadsCullBirch = getGeneralQuadsSafe(modelLeavesCullBirch);
+		generalQuadsCullDarkOak = getGeneralQuadsSafe(modelLeavesCullDarkOak);
+		generalQuadsCullJungle = getGeneralQuadsSafe(modelLeavesCullJungle);
+		generalQuadsCullOak = getGeneralQuadsSafe(modelLeavesCullOak);
+		generalQuadsCullSpruce = getGeneralQuadsSafe(modelLeavesCullSpruce);
+		modelLeavesDoubleAcacia = getModelDoubleFace(modelLeavesCullAcacia);
+		modelLeavesDoubleBirch = getModelDoubleFace(modelLeavesCullBirch);
+		modelLeavesDoubleDarkOak = getModelDoubleFace(modelLeavesCullDarkOak);
+		modelLeavesDoubleJungle = getModelDoubleFace(modelLeavesCullJungle);
+		modelLeavesDoubleOak = getModelDoubleFace(modelLeavesCullOak);
+		modelLeavesDoubleSpruce = getModelDoubleFace(modelLeavesCullSpruce);
+
+		if (list.size() > 0) {
+			Config.dbg("Enable face culling: " + Config.arrayToString(list.toArray()));
+		}
+	}
+
+	private static List getGeneralQuadsSafe(IBakedModel model) {
+		return model == null ? null : model.getGeneralQuads();
+	}
+
+	static IBakedModel getModelCull(String type, List updatedTypes) {
+		ModelManager modelmanager = Minecraft.getMinecraft().getModelManager();
+
+		if (modelmanager == null) {
+			return null;
+		} else {
+			ResourceLocation resourcelocation = new ResourceLocation("blockstates/" + type + "_leaves.json");
+
+			DefaultResourcePack res = Minecraft.getMinecraft().getDefaultResourcePack();
+			if (Config.getDefiningResourcePack(resourcelocation) != res) {
+				return null;
+			} else {
+				ResourceLocation resourcelocation1 = new ResourceLocation("models/block/" + type + "_leaves.json");
+
+				if (Config.getDefiningResourcePack(resourcelocation1) != res) {
+					return null;
+				} else {
+					ModelResourceLocation modelresourcelocation = new ModelResourceLocation(type + "_leaves", "normal");
+					IBakedModel ibakedmodel = modelmanager.getModel(modelresourcelocation);
+
+					if (ibakedmodel != null && ibakedmodel != modelmanager.getMissingModel()) {
+						List list = ibakedmodel.getGeneralQuads();
+
+						if (list.size() == 0) {
+							return ibakedmodel;
+						} else if (list.size() != 6) {
+							return null;
+						} else {
+							for (Object bakedquad0 : list) {
+								BakedQuad bakedquad = (BakedQuad) bakedquad0;
+								List list1 = ibakedmodel.getFaceQuads(bakedquad.getFace());
+
+								if (list1.size() > 0) {
+									return null;
+								}
+
+								list1.add(bakedquad);
+							}
+
+							list.clear();
+							updatedTypes.add(type + "_leaves");
+							return ibakedmodel;
+						}
+					} else {
+						return null;
+					}
+				}
+			}
+		}
+	}
+
+	private static IBakedModel getModelDoubleFace(IBakedModel model) {
+		if (model == null) {
+			return null;
+		} else if (model.getGeneralQuads().size() > 0) {
+			Config.warn("SmartLeaves: Model is not cube, general quads: " + model.getGeneralQuads().size() + ", model: "
+					+ model);
+			return model;
+		} else {
+			EnumFacing[] aenumfacing = EnumFacing._VALUES;
+
+			for (int i = 0; i < aenumfacing.length; ++i) {
+				EnumFacing enumfacing = aenumfacing[i];
+				List<BakedQuad> list = model.getFaceQuads(enumfacing);
+
+				if (list.size() != 1) {
+					Config.warn("SmartLeaves: Model is not cube, side: " + enumfacing + ", quads: " + list.size()
+							+ ", model: " + model);
+					return model;
+				}
+			}
+
+			IBakedModel ibakedmodel = ModelUtils.duplicateModel(model);
+			List[] alist = new List[aenumfacing.length];
+
+			for (int k = 0; k < aenumfacing.length; ++k) {
+				EnumFacing enumfacing1 = aenumfacing[k];
+				List<BakedQuad> list1 = ibakedmodel.getFaceQuads(enumfacing1);
+				BakedQuad bakedquad = (BakedQuad) list1.get(0);
+				BakedQuad bakedquad1 = new BakedQuad((int[]) bakedquad.getVertexData().clone(),
+						(int[]) bakedquad.getVertexDataWithNormals().clone(), bakedquad.getTintIndex(),
+						bakedquad.getFace(), bakedquad.getSprite());
+				int[] aint = bakedquad1.getVertexData();
+				int[] aint1 = (int[]) aint.clone();
+				int j = aint.length / 4;
+				System.arraycopy(aint, 0 * j, aint1, 3 * j, j);
+				System.arraycopy(aint, 1 * j, aint1, 2 * j, j);
+				System.arraycopy(aint, 2 * j, aint1, 1 * j, j);
+				System.arraycopy(aint, 3 * j, aint1, 0 * j, j);
+				System.arraycopy(aint1, 0, aint, 0, aint1.length);
+				list1.add(bakedquad1);
+			}
+
+			return ibakedmodel;
+		}
+	}
+}

sources/main/java/net/optifine/config/ConnectedParser.java

@@ -0,0 +1,914 @@
+package net.optifine.config;
+
+import java.lang.reflect.Array;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.EnumSet;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.TreeSet;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockDoublePlant;
+import net.minecraft.block.properties.IProperty;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.init.Blocks;
+import net.minecraft.item.EnumDyeColor;
+import net.minecraft.item.Item;
+import net.minecraft.util.EnumFacing;
+import net.minecraft.util.EnumWorldBlockLayer;
+import net.minecraft.util.IStringSerializable;
+import net.minecraft.util.ResourceLocation;
+import net.minecraft.world.biome.BiomeGenBase;
+import net.optifine.Config;
+import net.optifine.ConnectedProperties;
+
+public class ConnectedParser {
+	private String context = null;
+	public static final EnumDyeColor[] DYE_COLORS_INVALID = new EnumDyeColor[0];
+	private static final INameGetter<Enum> NAME_GETTER_ENUM = new INameGetter<Enum>() {
+		public String getName(Enum en) {
+			return en.name();
+		}
+	};
+	private static final INameGetter<EnumDyeColor> NAME_GETTER_DYE_COLOR = new INameGetter<EnumDyeColor>() {
+		public String getName(EnumDyeColor col) {
+			return col.getName();
+		}
+	};
+
+	public ConnectedParser(String context) {
+		this.context = context;
+	}
+
+	public String parseName(String path) {
+		String s = path;
+		int i = path.lastIndexOf(47);
+
+		if (i >= 0) {
+			s = path.substring(i + 1);
+		}
+
+		int j = s.lastIndexOf(46);
+
+		if (j >= 0) {
+			s = s.substring(0, j);
+		}
+
+		return s;
+	}
+
+	public String parseBasePath(String path) {
+		int i = path.lastIndexOf(47);
+		return i < 0 ? "" : path.substring(0, i);
+	}
+
+	public MatchBlock[] parseMatchBlocks(String propMatchBlocks) {
+		if (propMatchBlocks == null) {
+			return null;
+		} else {
+			List list = new ArrayList();
+			String[] astring = Config.tokenize(propMatchBlocks, " ");
+
+			for (int i = 0; i < astring.length; ++i) {
+				String s = astring[i];
+				MatchBlock[] amatchblock = this.parseMatchBlock(s);
+
+				if (amatchblock != null) {
+					list.addAll(Arrays.asList(amatchblock));
+				}
+			}
+
+			MatchBlock[] amatchblock1 = (MatchBlock[]) ((MatchBlock[]) list.toArray(new MatchBlock[list.size()]));
+			return amatchblock1;
+		}
+	}
+
+	public IBlockState parseBlockState(String str, IBlockState def) {
+		MatchBlock[] amatchblock = this.parseMatchBlock(str);
+
+		if (amatchblock == null) {
+			return def;
+		} else if (amatchblock.length != 1) {
+			return def;
+		} else {
+			MatchBlock matchblock = amatchblock[0];
+			int i = matchblock.getBlockId();
+			Block block = Block.getBlockById(i);
+			return block.getDefaultState();
+		}
+	}
+
+	public MatchBlock[] parseMatchBlock(String blockStr) {
+		if (blockStr == null) {
+			return null;
+		} else {
+			blockStr = blockStr.trim();
+
+			if (blockStr.length() <= 0) {
+				return null;
+			} else {
+				String[] astring = Config.tokenize(blockStr, ":");
+				String s = "minecraft";
+				int i = 0;
+
+				if (astring.length > 1 && this.isFullBlockName(astring)) {
+					s = astring[0];
+					i = 1;
+				} else {
+					s = "minecraft";
+					i = 0;
+				}
+
+				String s1 = astring[i];
+				String[] astring1 = (String[]) Arrays.copyOfRange(astring, i + 1, astring.length);
+				Block[] ablock = this.parseBlockPart(s, s1);
+
+				if (ablock == null) {
+					return null;
+				} else {
+					MatchBlock[] amatchblock = new MatchBlock[ablock.length];
+
+					for (int j = 0; j < ablock.length; ++j) {
+						Block block = ablock[j];
+						int k = Block.getIdFromBlock(block);
+						int[] aint = null;
+
+						if (astring1.length > 0) {
+							aint = this.parseBlockMetadatas(block, astring1);
+
+							if (aint == null) {
+								return null;
+							}
+						}
+
+						MatchBlock matchblock = new MatchBlock(k, aint);
+						amatchblock[j] = matchblock;
+					}
+
+					return amatchblock;
+				}
+			}
+		}
+	}
+
+	public boolean isFullBlockName(String[] parts) {
+		if (parts.length < 2) {
+			return false;
+		} else {
+			String s = parts[1];
+			return s.length() < 1 ? false : (this.startsWithDigit(s) ? false : !s.contains("="));
+		}
+	}
+
+	public boolean startsWithDigit(String str) {
+		if (str == null) {
+			return false;
+		} else if (str.length() < 1) {
+			return false;
+		} else {
+			char c0 = str.charAt(0);
+			return Character.isDigit(c0);
+		}
+	}
+
+	public Block[] parseBlockPart(String domain, String blockPart) {
+		if (this.startsWithDigit(blockPart)) {
+			int[] aint = this.parseIntList(blockPart);
+
+			if (aint == null) {
+				return null;
+			} else {
+				Block[] ablock1 = new Block[aint.length];
+
+				for (int j = 0; j < aint.length; ++j) {
+					int i = aint[j];
+					Block block1 = Block.getBlockById(i);
+
+					if (block1 == null) {
+						this.warn("Block not found for id: " + i);
+						return null;
+					}
+
+					ablock1[j] = block1;
+				}
+
+				return ablock1;
+			}
+		} else {
+			String s = domain + ":" + blockPart;
+			Block block = Block.getBlockFromName(s);
+
+			if (block == null) {
+				this.warn("Block not found for name: " + s);
+				return null;
+			} else {
+				Block[] ablock = new Block[] { block };
+				return ablock;
+			}
+		}
+	}
+
+	public int[] parseBlockMetadatas(Block block, String[] params) {
+		if (params.length <= 0) {
+			return null;
+		} else {
+			String s = params[0];
+
+			if (this.startsWithDigit(s)) {
+				int[] aint = this.parseIntList(s);
+				return aint;
+			} else {
+				IBlockState iblockstate = block.getDefaultState();
+				Collection collection = iblockstate.getPropertyNames();
+				Map<IProperty, List<Comparable>> map = new HashMap();
+
+				for (int i = 0; i < params.length; ++i) {
+					String s1 = params[i];
+
+					if (s1.length() > 0) {
+						String[] astring = Config.tokenize(s1, "=");
+
+						if (astring.length != 2) {
+							this.warn("Invalid block property: " + s1);
+							return null;
+						}
+
+						String s2 = astring[0];
+						String s3 = astring[1];
+						IProperty iproperty = ConnectedProperties.getProperty(s2, collection);
+
+						if (iproperty == null) {
+							this.warn("Property not found: " + s2 + ", block: " + block);
+							return null;
+						}
+
+						List<Comparable> list = (List) map.get(s2);
+
+						if (list == null) {
+							list = new ArrayList();
+							map.put(iproperty, list);
+						}
+
+						String[] astring1 = Config.tokenize(s3, ",");
+
+						for (int j = 0; j < astring1.length; ++j) {
+							String s4 = astring1[j];
+							Comparable comparable = parsePropertyValue(iproperty, s4);
+
+							if (comparable == null) {
+								this.warn(
+										"Property value not found: " + s4 + ", property: " + s2 + ", block: " + block);
+								return null;
+							}
+
+							list.add(comparable);
+						}
+					}
+				}
+
+				if (map.isEmpty()) {
+					return null;
+				} else {
+					List<Integer> list1 = new ArrayList();
+
+					for (int k = 0; k < 16; ++k) {
+						int l = k;
+
+						try {
+							IBlockState iblockstate1 = this.getStateFromMeta(block, l);
+
+							if (this.matchState(iblockstate1, map)) {
+								list1.add(Integer.valueOf(l));
+							}
+						} catch (IllegalArgumentException var18) {
+							;
+						}
+					}
+
+					if (list1.size() == 16) {
+						return null;
+					} else {
+						int[] aint1 = new int[list1.size()];
+
+						for (int i1 = 0; i1 < aint1.length; ++i1) {
+							aint1[i1] = ((Integer) list1.get(i1)).intValue();
+						}
+
+						return aint1;
+					}
+				}
+			}
+		}
+	}
+
+	private IBlockState getStateFromMeta(Block block, int md) {
+		try {
+			IBlockState iblockstate = block.getStateFromMeta(md);
+
+			if (block == Blocks.double_plant && md > 7) {
+				IBlockState iblockstate1 = block.getStateFromMeta(md & 7);
+				iblockstate = iblockstate.withProperty(BlockDoublePlant.VARIANT,
+						iblockstate1.getValue(BlockDoublePlant.VARIANT));
+			}
+
+			return iblockstate;
+		} catch (IllegalArgumentException var5) {
+			return block.getDefaultState();
+		}
+	}
+
+	public static Comparable parsePropertyValue(IProperty prop, String valStr) {
+		Class oclass = prop.getValueClass();
+		Comparable comparable = parseValue(valStr, oclass);
+
+		if (comparable == null) {
+			Collection collection = prop.getAllowedValues();
+			comparable = getPropertyValue(valStr, collection);
+		}
+
+		return comparable;
+	}
+
+	public static Comparable getPropertyValue(String value, Collection propertyValues) {
+		for (Object comparable0 : propertyValues) {
+			Comparable comparable = (Comparable) comparable0;
+			if (getValueName(comparable).equals(value)) {
+				return comparable;
+			}
+		}
+
+		return null;
+	}
+
+	private static Object getValueName(Comparable obj) {
+		if (obj instanceof IStringSerializable) {
+			IStringSerializable istringserializable = (IStringSerializable) obj;
+			return istringserializable.getName();
+		} else {
+			return obj.toString();
+		}
+	}
+
+	public static Comparable parseValue(String str, Class cls) {
+		if (cls == String.class) {
+			return str;
+		} else if (cls == Boolean.class) {
+			return Boolean.valueOf(str);
+		} else if (cls == Float.class) {
+			return Float.valueOf(str);
+		} else if (cls == Double.class) {
+			return Double.valueOf(str);
+		} else if (cls == Integer.class) {
+			return Integer.valueOf(str);
+		} else {
+			return cls == Long.class ? Long.valueOf(str) : null;
+		}
+	}
+
+	public boolean matchState(IBlockState bs, Map<IProperty, List<Comparable>> mapPropValues) {
+		for (IProperty iproperty : mapPropValues.keySet()) {
+			List<Comparable> list = (List) mapPropValues.get(iproperty);
+			Comparable comparable = bs.getValue(iproperty);
+
+			if (comparable == null) {
+				return false;
+			}
+
+			if (!list.contains(comparable)) {
+				return false;
+			}
+		}
+
+		return true;
+	}
+
+	public BiomeGenBase[] parseBiomes(String str) {
+		if (str == null) {
+			return null;
+		} else {
+			str = str.trim();
+			boolean flag = false;
+
+			if (str.startsWith("!")) {
+				flag = true;
+				str = str.substring(1);
+			}
+
+			String[] astring = Config.tokenize(str, " ");
+			List list = new ArrayList();
+
+			for (int i = 0; i < astring.length; ++i) {
+				String s = astring[i];
+				BiomeGenBase biomegenbase = this.findBiome(s);
+
+				if (biomegenbase == null) {
+					this.warn("Biome not found: " + s);
+				} else {
+					list.add(biomegenbase);
+				}
+			}
+
+			if (flag) {
+				List<BiomeGenBase> list1 = new ArrayList(Arrays.asList(BiomeGenBase.getBiomeGenArray()));
+				list1.removeAll(list);
+				list = list1;
+			}
+
+			BiomeGenBase[] abiomegenbase = (BiomeGenBase[]) ((BiomeGenBase[]) list
+					.toArray(new BiomeGenBase[list.size()]));
+			return abiomegenbase;
+		}
+	}
+
+	public BiomeGenBase findBiome(String biomeName) {
+		biomeName = biomeName.toLowerCase();
+
+		if (biomeName.equals("nether")) {
+			return BiomeGenBase.hell;
+		} else {
+			BiomeGenBase[] abiomegenbase = BiomeGenBase.getBiomeGenArray();
+
+			for (int i = 0; i < abiomegenbase.length; ++i) {
+				BiomeGenBase biomegenbase = abiomegenbase[i];
+
+				if (biomegenbase != null) {
+					String s = biomegenbase.biomeName.replace(" ", "").toLowerCase();
+
+					if (s.equals(biomeName)) {
+						return biomegenbase;
+					}
+				}
+			}
+
+			return null;
+		}
+	}
+
+	public int parseInt(String str, int defVal) {
+		if (str == null) {
+			return defVal;
+		} else {
+			str = str.trim();
+			int i = Config.parseInt(str, -1);
+
+			if (i < 0) {
+				this.warn("Invalid number: " + str);
+				return defVal;
+			} else {
+				return i;
+			}
+		}
+	}
+
+	public int[] parseIntList(String str) {
+		if (str == null) {
+			return null;
+		} else {
+			List<Integer> list = new ArrayList();
+			String[] astring = Config.tokenize(str, " ,");
+
+			for (int i = 0; i < astring.length; ++i) {
+				String s = astring[i];
+
+				if (s.contains("-")) {
+					String[] astring1 = Config.tokenize(s, "-");
+
+					if (astring1.length != 2) {
+						this.warn("Invalid interval: " + s + ", when parsing: " + str);
+					} else {
+						int k = Config.parseInt(astring1[0], -1);
+						int l = Config.parseInt(astring1[1], -1);
+
+						if (k >= 0 && l >= 0 && k <= l) {
+							for (int i1 = k; i1 <= l; ++i1) {
+								list.add(Integer.valueOf(i1));
+							}
+						} else {
+							this.warn("Invalid interval: " + s + ", when parsing: " + str);
+						}
+					}
+				} else {
+					int j = Config.parseInt(s, -1);
+
+					if (j < 0) {
+						this.warn("Invalid number: " + s + ", when parsing: " + str);
+					} else {
+						list.add(Integer.valueOf(j));
+					}
+				}
+			}
+
+			int[] aint = new int[list.size()];
+
+			for (int j1 = 0; j1 < aint.length; ++j1) {
+				aint[j1] = ((Integer) list.get(j1)).intValue();
+			}
+
+			return aint;
+		}
+	}
+
+	public boolean[] parseFaces(String str, boolean[] defVal) {
+		if (str == null) {
+			return defVal;
+		} else {
+			EnumSet enumset = EnumSet.allOf(EnumFacing.class);
+			String[] astring = Config.tokenize(str, " ,");
+
+			for (int i = 0; i < astring.length; ++i) {
+				String s = astring[i];
+
+				if (s.equals("sides")) {
+					enumset.add(EnumFacing.NORTH);
+					enumset.add(EnumFacing.SOUTH);
+					enumset.add(EnumFacing.WEST);
+					enumset.add(EnumFacing.EAST);
+				} else if (s.equals("all")) {
+					enumset.addAll(Arrays.asList(EnumFacing._VALUES));
+				} else {
+					EnumFacing enumfacing = this.parseFace(s);
+
+					if (enumfacing != null) {
+						enumset.add(enumfacing);
+					}
+				}
+			}
+
+			boolean[] aboolean = new boolean[EnumFacing._VALUES.length];
+
+			for (int j = 0; j < aboolean.length; ++j) {
+				aboolean[j] = enumset.contains(EnumFacing._VALUES[j]);
+			}
+
+			return aboolean;
+		}
+	}
+
+	public EnumFacing parseFace(String str) {
+		str = str.toLowerCase();
+
+		if (!str.equals("bottom") && !str.equals("down")) {
+			if (!str.equals("top") && !str.equals("up")) {
+				if (str.equals("north")) {
+					return EnumFacing.NORTH;
+				} else if (str.equals("south")) {
+					return EnumFacing.SOUTH;
+				} else if (str.equals("east")) {
+					return EnumFacing.EAST;
+				} else if (str.equals("west")) {
+					return EnumFacing.WEST;
+				} else {
+					Config.warn("Unknown face: " + str);
+					return null;
+				}
+			} else {
+				return EnumFacing.UP;
+			}
+		} else {
+			return EnumFacing.DOWN;
+		}
+	}
+
+	public void dbg(String str) {
+		Config.dbg("" + this.context + ": " + str);
+	}
+
+	public void warn(String str) {
+		Config.warn("" + this.context + ": " + str);
+	}
+
+	public RangeListInt parseRangeListInt(String str) {
+		if (str == null) {
+			return null;
+		} else {
+			RangeListInt rangelistint = new RangeListInt();
+			String[] astring = Config.tokenize(str, " ,");
+
+			for (int i = 0; i < astring.length; ++i) {
+				String s = astring[i];
+				RangeInt rangeint = this.parseRangeInt(s);
+
+				if (rangeint == null) {
+					return null;
+				}
+
+				rangelistint.addRange(rangeint);
+			}
+
+			return rangelistint;
+		}
+	}
+
+	private RangeInt parseRangeInt(String str) {
+		if (str == null) {
+			return null;
+		} else if (str.indexOf(45) >= 0) {
+			String[] astring = Config.tokenize(str, "-");
+
+			if (astring.length != 2) {
+				this.warn("Invalid range: " + str);
+				return null;
+			} else {
+				int j = Config.parseInt(astring[0], -1);
+				int k = Config.parseInt(astring[1], -1);
+
+				if (j >= 0 && k >= 0) {
+					return new RangeInt(j, k);
+				} else {
+					this.warn("Invalid range: " + str);
+					return null;
+				}
+			}
+		} else {
+			int i = Config.parseInt(str, -1);
+
+			if (i < 0) {
+				this.warn("Invalid integer: " + str);
+				return null;
+			} else {
+				return new RangeInt(i, i);
+			}
+		}
+	}
+
+	public boolean parseBoolean(String str, boolean defVal) {
+		if (str == null) {
+			return defVal;
+		} else {
+			String s = str.toLowerCase().trim();
+
+			if (s.equals("true")) {
+				return true;
+			} else if (s.equals("false")) {
+				return false;
+			} else {
+				this.warn("Invalid boolean: " + str);
+				return defVal;
+			}
+		}
+	}
+
+	public Boolean parseBooleanObject(String str) {
+		if (str == null) {
+			return null;
+		} else {
+			String s = str.toLowerCase().trim();
+
+			if (s.equals("true")) {
+				return Boolean.TRUE;
+			} else if (s.equals("false")) {
+				return Boolean.FALSE;
+			} else {
+				this.warn("Invalid boolean: " + str);
+				return null;
+			}
+		}
+	}
+
+	public static int parseColor(String str, int defVal) {
+		if (str == null) {
+			return defVal;
+		} else {
+			str = str.trim();
+
+			try {
+				int i = Integer.parseInt(str, 16) & 16777215;
+				return i;
+			} catch (NumberFormatException var3) {
+				return defVal;
+			}
+		}
+	}
+
+	public static int parseColor4(String str, int defVal) {
+		if (str == null) {
+			return defVal;
+		} else {
+			str = str.trim();
+
+			try {
+				int i = (int) (Long.parseLong(str, 16) & -1L);
+				return i;
+			} catch (NumberFormatException var3) {
+				return defVal;
+			}
+		}
+	}
+
+	public EnumWorldBlockLayer parseBlockRenderLayer(String str, EnumWorldBlockLayer def) {
+		if (str == null) {
+			return def;
+		} else {
+			str = str.toLowerCase().trim();
+			EnumWorldBlockLayer[] aenumworldblocklayer = EnumWorldBlockLayer.values();
+
+			for (int i = 0; i < aenumworldblocklayer.length; ++i) {
+				EnumWorldBlockLayer enumworldblocklayer = aenumworldblocklayer[i];
+
+				if (str.equals(enumworldblocklayer.name().toLowerCase())) {
+					return enumworldblocklayer;
+				}
+			}
+
+			return def;
+		}
+	}
+
+	public <T> T parseObject(String str, T[] objs, INameGetter nameGetter, String property) {
+		if (str == null) {
+			return (T) null;
+		} else {
+			String s = str.toLowerCase().trim();
+
+			for (int i = 0; i < objs.length; ++i) {
+				T t = objs[i];
+				String s1 = nameGetter.getName(t);
+
+				if (s1 != null && s1.toLowerCase().equals(s)) {
+					return t;
+				}
+			}
+
+			this.warn("Invalid " + property + ": " + str);
+			return (T) null;
+		}
+	}
+
+	public <T> T[] parseObjects(String str, T[] objs, INameGetter nameGetter, String property, T[] errValue) {
+		if (str == null) {
+			return null;
+		} else {
+			str = str.toLowerCase().trim();
+			String[] astring = Config.tokenize(str, " ");
+			T[] at = (T[]) Array.newInstance(objs.getClass().getComponentType(), astring.length);
+
+			for (int i = 0; i < astring.length; ++i) {
+				String s = astring[i];
+				T t = this.parseObject(s, objs, nameGetter, property);
+
+				if (t == null) {
+					return (T[]) errValue;
+				}
+
+				at[i] = t;
+			}
+
+			return at;
+		}
+	}
+
+	public Enum parseEnum(String str, Enum[] enums, String property) {
+		return (Enum) this.parseObject(str, enums, NAME_GETTER_ENUM, property);
+	}
+
+	public Enum[] parseEnums(String str, Enum[] enums, String property, Enum[] errValue) {
+		return (Enum[]) this.parseObjects(str, enums, NAME_GETTER_ENUM, property, errValue);
+	}
+
+	public EnumDyeColor[] parseDyeColors(String str, String property, EnumDyeColor[] errValue) {
+		return (EnumDyeColor[]) this.parseObjects(str, EnumDyeColor.values(), NAME_GETTER_DYE_COLOR, property,
+				errValue);
+	}
+
+	public Weather[] parseWeather(String str, String property, Weather[] errValue) {
+		return (Weather[]) this.parseObjects(str, Weather.values(), NAME_GETTER_ENUM, property, errValue);
+	}
+
+	public NbtTagValue parseNbtTagValue(String path, String value) {
+		return path != null && value != null ? new NbtTagValue(path, value) : null;
+	}
+
+	private static int parseProfessionId(String str) {
+		int i = Config.parseInt(str, -1);
+		return i >= 0 ? i
+				: (str.equals("farmer") ? 0
+						: (str.equals("librarian") ? 1
+								: (str.equals("priest") ? 2
+										: (str.equals("blacksmith") ? 3
+												: (str.equals("butcher") ? 4 : (str.equals("nitwit") ? 5 : -1))))));
+	}
+
+	private static int[] parseCareerIds(int prof, String str) {
+		Set<Integer> set = new HashSet();
+		String[] astring = Config.tokenize(str, ",");
+
+		for (int i = 0; i < astring.length; ++i) {
+			String s = astring[i];
+			int j = parseCareerId(prof, s);
+
+			if (j < 0) {
+				return null;
+			}
+
+			set.add(Integer.valueOf(j));
+		}
+
+		Integer[] ainteger = (Integer[]) ((Integer[]) set.toArray(new Integer[set.size()]));
+		int[] aint = new int[ainteger.length];
+
+		for (int k = 0; k < aint.length; ++k) {
+			aint[k] = ainteger[k].intValue();
+		}
+
+		return aint;
+	}
+
+	private static int parseCareerId(int prof, String str) {
+		int i = Config.parseInt(str, -1);
+
+		if (i >= 0) {
+			return i;
+		} else {
+			if (prof == 0) {
+				if (str.equals("farmer")) {
+					return 1;
+				}
+
+				if (str.equals("fisherman")) {
+					return 2;
+				}
+
+				if (str.equals("shepherd")) {
+					return 3;
+				}
+
+				if (str.equals("fletcher")) {
+					return 4;
+				}
+			}
+
+			if (prof == 1) {
+				if (str.equals("librarian")) {
+					return 1;
+				}
+
+				if (str.equals("cartographer")) {
+					return 2;
+				}
+			}
+
+			if (prof == 2 && str.equals("cleric")) {
+				return 1;
+			} else {
+				if (prof == 3) {
+					if (str.equals("armor")) {
+						return 1;
+					}
+
+					if (str.equals("weapon")) {
+						return 2;
+					}
+
+					if (str.equals("tool")) {
+						return 3;
+					}
+				}
+
+				if (prof == 4) {
+					if (str.equals("butcher")) {
+						return 1;
+					}
+
+					if (str.equals("leather")) {
+						return 2;
+					}
+				}
+
+				return prof == 5 && str.equals("nitwit") ? 1 : -1;
+			}
+		}
+	}
+
+	public int[] parseItems(String str) {
+		str = str.trim();
+		Set<Integer> set = new TreeSet();
+		String[] astring = Config.tokenize(str, " ");
+
+		for (int i = 0; i < astring.length; ++i) {
+			String s = astring[i];
+			ResourceLocation resourcelocation = new ResourceLocation(s);
+			Item item = (Item) Item.itemRegistry.getObject(resourcelocation);
+
+			if (item == null) {
+				this.warn("Item not found: " + s);
+			} else {
+				int j = Item.getIdFromItem(item);
+
+				if (j < 0) {
+					this.warn("Item has no ID: " + item + ", name: " + s);
+				} else {
+					set.add(Integer.valueOf(j));
+				}
+			}
+		}
+
+		Integer[] ainteger = (Integer[]) ((Integer[]) set.toArray(new Integer[set.size()]));
+		int[] aint = Config.toPrimitive(ainteger);
+		return aint;
+	}
+
+}

sources/main/java/net/optifine/config/GlVersion.java

@@ -0,0 +1,46 @@
+package net.optifine.config;
+
+public class GlVersion {
+	private int major;
+	private int minor;
+	private int release;
+	private String suffix;
+
+	public GlVersion(int major, int minor) {
+		this(major, minor, 0);
+	}
+
+	public GlVersion(int major, int minor, int release) {
+		this(major, minor, release, (String) null);
+	}
+
+	public GlVersion(int major, int minor, int release, String suffix) {
+		this.major = major;
+		this.minor = minor;
+		this.release = release;
+		this.suffix = suffix;
+	}
+
+	public int getMajor() {
+		return this.major;
+	}
+
+	public int getMinor() {
+		return this.minor;
+	}
+
+	public int getRelease() {
+		return this.release;
+	}
+
+	public int toInt() {
+		return this.minor > 9 ? this.major * 100 + this.minor
+				: (this.release > 9 ? this.major * 100 + this.minor * 10 + 9
+						: this.major * 100 + this.minor * 10 + this.release);
+	}
+
+	public String toString() {
+		return this.suffix == null ? "" + this.major + "." + this.minor + "." + this.release
+				: "" + this.major + "." + this.minor + "." + this.release + this.suffix;
+	}
+}

sources/main/java/net/optifine/config/INameGetter.java

@@ -0,0 +1,5 @@
+package net.optifine.config;
+
+public interface INameGetter<T> {
+	String getName(T var1);
+}

sources/main/java/net/optifine/config/IObjectLocator.java

@@ -0,0 +1,7 @@
+package net.optifine.config;
+
+import net.minecraft.util.ResourceLocation;
+
+public interface IObjectLocator {
+	Object getObject(ResourceLocation var1);
+}

sources/main/java/net/optifine/config/IParserInt.java

@@ -0,0 +1,5 @@
+package net.optifine.config;
+
+public interface IParserInt {
+	int parse(String var1, int var2);
+}

sources/main/java/net/optifine/config/ItemLocator.java

@@ -0,0 +1,11 @@
+package net.optifine.config;
+
+import net.minecraft.item.Item;
+import net.minecraft.util.ResourceLocation;
+
+public class ItemLocator implements IObjectLocator {
+	public Object getObject(ResourceLocation loc) {
+		Item item = Item.getByNameOrId(loc.toString());
+		return item;
+	}
+}

sources/main/java/net/optifine/config/MatchBlock.java

@@ -0,0 +1,61 @@
+package net.optifine.config;
+
+import net.minecraft.block.state.BlockStateBase;
+import net.optifine.Config;
+
+public class MatchBlock {
+	private int blockId = -1;
+	private int[] metadatas = null;
+
+	public MatchBlock(int blockId) {
+		this.blockId = blockId;
+	}
+
+	public MatchBlock(int blockId, int metadata) {
+		this.blockId = blockId;
+
+		if (metadata >= 0 && metadata <= 15) {
+			this.metadatas = new int[] { metadata };
+		}
+	}
+
+	public MatchBlock(int blockId, int[] metadatas) {
+		this.blockId = blockId;
+		this.metadatas = metadatas;
+	}
+
+	public int getBlockId() {
+		return this.blockId;
+	}
+
+	public int[] getMetadatas() {
+		return this.metadatas;
+	}
+
+	public boolean matches(BlockStateBase blockState) {
+		return blockState.getBlockId() != this.blockId ? false
+				: Matches.metadata(blockState.getMetadata(), this.metadatas);
+	}
+
+	public boolean matches(int id, int metadata) {
+		return id != this.blockId ? false : Matches.metadata(metadata, this.metadatas);
+	}
+
+	public void addMetadata(int metadata) {
+		if (this.metadatas != null) {
+			if (metadata >= 0 && metadata <= 15) {
+				for (int i = 0; i < this.metadatas.length; ++i) {
+					if (this.metadatas[i] == metadata) {
+						return;
+					}
+				}
+
+				this.metadatas = Config.addIntToArray(this.metadatas, metadata);
+			}
+		}
+	}
+
+	public String toString() {
+		return "" + this.blockId + ":" + Config.arrayToString(this.metadatas);
+	}
+}

sources/main/java/net/optifine/config/Matches.java

@@ -0,0 +1,97 @@
+package net.optifine.config;
+
+import net.lax1dude.eaglercraft.v1_8.minecraft.EaglerTextureAtlasSprite;
+import net.minecraft.block.state.BlockStateBase;
+import net.minecraft.world.biome.BiomeGenBase;
+
+public class Matches {
+	public static boolean block(BlockStateBase blockStateBase, MatchBlock[] matchBlocks) {
+		if (matchBlocks == null) {
+			return true;
+		} else {
+			for (int i = 0; i < matchBlocks.length; ++i) {
+				MatchBlock matchblock = matchBlocks[i];
+
+				if (matchblock.matches(blockStateBase)) {
+					return true;
+				}
+			}
+
+			return false;
+		}
+	}
+
+	public static boolean block(int blockId, int metadata, MatchBlock[] matchBlocks) {
+		if (matchBlocks == null) {
+			return true;
+		} else {
+			for (int i = 0; i < matchBlocks.length; ++i) {
+				MatchBlock matchblock = matchBlocks[i];
+
+				if (matchblock.matches(blockId, metadata)) {
+					return true;
+				}
+			}
+
+			return false;
+		}
+	}
+
+	public static boolean blockId(int blockId, MatchBlock[] matchBlocks) {
+		if (matchBlocks == null) {
+			return true;
+		} else {
+			for (int i = 0; i < matchBlocks.length; ++i) {
+				MatchBlock matchblock = matchBlocks[i];
+
+				if (matchblock.getBlockId() == blockId) {
+					return true;
+				}
+			}
+
+			return false;
+		}
+	}
+
+	public static boolean metadata(int metadata, int[] metadatas) {
+		if (metadatas == null) {
+			return true;
+		} else {
+			for (int i = 0; i < metadatas.length; ++i) {
+				if (metadatas[i] == metadata) {
+					return true;
+				}
+			}
+
+			return false;
+		}
+	}
+
+	public static boolean sprite(EaglerTextureAtlasSprite sprite, EaglerTextureAtlasSprite[] sprites) {
+		if (sprites == null) {
+			return true;
+		} else {
+			for (int i = 0; i < sprites.length; ++i) {
+				if (sprites[i] == sprite) {
+					return true;
+				}
+			}
+
+			return false;
+		}
+	}
+
+	public static boolean biome(BiomeGenBase biome, BiomeGenBase[] biomes) {
+		if (biomes == null) {
+			return true;
+		} else {
+			for (int i = 0; i < biomes.length; ++i) {
+				if (biomes[i] == biome) {
+					return true;
+				}
+			}
+
+			return false;
+		}
+	}
+}

sources/main/java/net/optifine/config/NbtTagValue.java

@@ -0,0 +1,254 @@
+package net.optifine.config;
+
+import java.util.Arrays;
+import java.util.regex.Pattern;
+
+import org.apache.commons.lang3.StringEscapeUtils;
+
+import net.minecraft.nbt.NBTBase;
+import net.minecraft.nbt.NBTTagByte;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.nbt.NBTTagDouble;
+import net.minecraft.nbt.NBTTagFloat;
+import net.minecraft.nbt.NBTTagInt;
+import net.minecraft.nbt.NBTTagList;
+import net.minecraft.nbt.NBTTagLong;
+import net.minecraft.nbt.NBTTagShort;
+import net.minecraft.nbt.NBTTagString;
+import net.optifine.Config;
+import net.optifine.util.StrUtils;
+
+public class NbtTagValue {
+	private String[] parents = null;
+	private String name = null;
+	private boolean negative = false;
+	private int type = 0;
+	private String value = null;
+	private int valueFormat = 0;
+	private static final int TYPE_TEXT = 0;
+	private static final int TYPE_PATTERN = 1;
+	private static final int TYPE_IPATTERN = 2;
+	private static final int TYPE_REGEX = 3;
+	private static final int TYPE_IREGEX = 4;
+	private static final String PREFIX_PATTERN = "pattern:";
+	private static final String PREFIX_IPATTERN = "ipattern:";
+	private static final String PREFIX_REGEX = "regex:";
+	private static final String PREFIX_IREGEX = "iregex:";
+	private static final int FORMAT_DEFAULT = 0;
+	private static final int FORMAT_HEX_COLOR = 1;
+	private static final String PREFIX_HEX_COLOR = "#";
+	private static final Pattern PATTERN_HEX_COLOR = Pattern.compile("^#[0-9a-f]{6}+$");
+
+	public NbtTagValue(String tag, String value) {
+		String[] astring = Config.tokenize(tag, ".");
+		this.parents = (String[]) Arrays.copyOfRange(astring, 0, astring.length - 1);
+		this.name = astring[astring.length - 1];
+
+		if (value.startsWith("!")) {
+			this.negative = true;
+			value = value.substring(1);
+		}
+
+		if (value.startsWith("pattern:")) {
+			this.type = 1;
+			value = value.substring("pattern:".length());
+		} else if (value.startsWith("ipattern:")) {
+			this.type = 2;
+			value = value.substring("ipattern:".length()).toLowerCase();
+		} else if (value.startsWith("regex:")) {
+			this.type = 3;
+			value = value.substring("regex:".length());
+		} else if (value.startsWith("iregex:")) {
+			this.type = 4;
+			value = value.substring("iregex:".length()).toLowerCase();
+		} else {
+			this.type = 0;
+		}
+
+		value = StringEscapeUtils.unescapeJava(value);
+
+		if (this.type == 0 && PATTERN_HEX_COLOR.matcher(value).matches()) {
+			this.valueFormat = 1;
+		}
+
+		this.value = value;
+	}
+
+	public boolean matches(NBTTagCompound nbt) {
+		return this.negative ? !this.matchesCompound(nbt) : this.matchesCompound(nbt);
+	}
+
+	public boolean matchesCompound(NBTTagCompound nbt) {
+		if (nbt == null) {
+			return false;
+		} else {
+			NBTBase nbtbase = nbt;
+
+			for (int i = 0; i < this.parents.length; ++i) {
+				String s = this.parents[i];
+				nbtbase = getChildTag(nbtbase, s);
+
+				if (nbtbase == null) {
+					return false;
+				}
+			}
+
+			if (this.name.equals("*")) {
+				return this.matchesAnyChild(nbtbase);
+			} else {
+				nbtbase = getChildTag(nbtbase, this.name);
+
+				if (nbtbase == null) {
+					return false;
+				} else if (this.matchesBase(nbtbase)) {
+					return true;
+				} else {
+					return false;
+				}
+			}
+		}
+	}
+
+	private boolean matchesAnyChild(NBTBase tagBase) {
+		if (tagBase instanceof NBTTagCompound) {
+			NBTTagCompound nbttagcompound = (NBTTagCompound) tagBase;
+
+			for (String s : nbttagcompound.getKeySet()) {
+				NBTBase nbtbase = nbttagcompound.getTag(s);
+
+				if (this.matchesBase(nbtbase)) {
+					return true;
+				}
+			}
+		}
+
+		if (tagBase instanceof NBTTagList) {
+			NBTTagList nbttaglist = (NBTTagList) tagBase;
+			int i = nbttaglist.tagCount();
+
+			for (int j = 0; j < i; ++j) {
+				NBTBase nbtbase1 = nbttaglist.get(j);
+
+				if (this.matchesBase(nbtbase1)) {
+					return true;
+				}
+			}
+		}
+
+		return false;
+	}
+
+	private static NBTBase getChildTag(NBTBase tagBase, String tag) {
+		if (tagBase instanceof NBTTagCompound) {
+			NBTTagCompound nbttagcompound = (NBTTagCompound) tagBase;
+			return nbttagcompound.getTag(tag);
+		} else if (tagBase instanceof NBTTagList) {
+			NBTTagList nbttaglist = (NBTTagList) tagBase;
+
+			if (tag.equals("count")) {
+				return new NBTTagInt(nbttaglist.tagCount());
+			} else {
+				int i = Config.parseInt(tag, -1);
+				return i >= 0 && i < nbttaglist.tagCount() ? nbttaglist.get(i) : null;
+			}
+		} else {
+			return null;
+		}
+	}
+
+	public boolean matchesBase(NBTBase nbtBase) {
+		if (nbtBase == null) {
+			return false;
+		} else {
+			String s = getNbtString(nbtBase, this.valueFormat);
+			return this.matchesValue(s);
+		}
+	}
+
+	public boolean matchesValue(String nbtValue) {
+		if (nbtValue == null) {
+			return false;
+		} else {
+			switch (this.type) {
+			case 0:
+				return nbtValue.equals(this.value);
+
+			case 1:
+				return this.matchesPattern(nbtValue, this.value);
+
+			case 2:
+				return this.matchesPattern(nbtValue.toLowerCase(), this.value);
+
+			case 3:
+				return this.matchesRegex(nbtValue, this.value);
+
+			case 4:
+				return this.matchesRegex(nbtValue.toLowerCase(), this.value);
+
+			default:
+				throw new IllegalArgumentException("Unknown NbtTagValue type: " + this.type);
+			}
+		}
+	}
+
+	private boolean matchesPattern(String str, String pattern) {
+		return StrUtils.equalsMask(str, pattern, '*', '?');
+	}
+
+	private boolean matchesRegex(String str, String regex) {
+		return str.matches(regex);
+	}
+
+	private static String getNbtString(NBTBase nbtBase, int format) {
+		if (nbtBase == null) {
+			return null;
+		} else if (nbtBase instanceof NBTTagString) {
+			NBTTagString nbttagstring = (NBTTagString) nbtBase;
+			return nbttagstring.getString();
+		} else if (nbtBase instanceof NBTTagInt) {
+			NBTTagInt nbttagint = (NBTTagInt) nbtBase;
+			return format == 1 ? "#" + StrUtils.fillLeft(Integer.toHexString(nbttagint.getInt()), 6, '0')
+					: Integer.toString(nbttagint.getInt());
+		} else if (nbtBase instanceof NBTTagByte) {
+			NBTTagByte nbttagbyte = (NBTTagByte) nbtBase;
+			return Byte.toString(nbttagbyte.getByte());
+		} else if (nbtBase instanceof NBTTagShort) {
+			NBTTagShort nbttagshort = (NBTTagShort) nbtBase;
+			return Short.toString(nbttagshort.getShort());
+		} else if (nbtBase instanceof NBTTagLong) {
+			NBTTagLong nbttaglong = (NBTTagLong) nbtBase;
+			return Long.toString(nbttaglong.getLong());
+		} else if (nbtBase instanceof NBTTagFloat) {
+			NBTTagFloat nbttagfloat = (NBTTagFloat) nbtBase;
+			return Float.toString(nbttagfloat.getFloat());
+		} else if (nbtBase instanceof NBTTagDouble) {
+			NBTTagDouble nbttagdouble = (NBTTagDouble) nbtBase;
+			return Double.toString(nbttagdouble.getDouble());
+		} else {
+			return nbtBase.toString();
+		}
+	}
+
+	public String toString() {
+		StringBuffer stringbuffer = new StringBuffer();
+
+		for (int i = 0; i < this.parents.length; ++i) {
+			String s = this.parents[i];
+
+			if (i > 0) {
+				stringbuffer.append(".");
+			}
+
+			stringbuffer.append(s);
+		}
+
+		if (stringbuffer.length() > 0) {
+			stringbuffer.append(".");
+		}
+
+		stringbuffer.append(this.name);
+		stringbuffer.append(" = ");
+		stringbuffer.append(this.value);
+		return stringbuffer.toString();
+	}
+}

sources/main/java/net/optifine/config/ParserEnchantmentId.java

@@ -0,0 +1,10 @@
+package net.optifine.config;
+
+import net.minecraft.enchantment.Enchantment;
+
+public class ParserEnchantmentId implements IParserInt {
+	public int parse(String str, int defVal) {
+		Enchantment enchantment = Enchantment.getEnchantmentByLocation(str);
+		return enchantment == null ? defVal : enchantment.effectId;
+	}
+}

sources/main/java/net/optifine/config/RangeInt.java

@@ -0,0 +1,27 @@
+package net.optifine.config;
+
+public class RangeInt {
+	private int min;
+	private int max;
+
+	public RangeInt(int min, int max) {
+		this.min = Math.min(min, max);
+		this.max = Math.max(min, max);
+	}
+
+	public boolean isInRange(int val) {
+		return val < this.min ? false : val <= this.max;
+	}
+
+	public int getMin() {
+		return this.min;
+	}
+
+	public int getMax() {
+		return this.max;
+	}
+
+	public String toString() {
+		return "min: " + this.min + ", max: " + this.max;
+	}
+}

sources/main/java/net/optifine/config/RangeListInt.java

@@ -0,0 +1,57 @@
+package net.optifine.config;
+
+public class RangeListInt {
+	private RangeInt[] ranges = new RangeInt[0];
+
+	public RangeListInt() {
+	}
+
+	public RangeListInt(RangeInt ri) {
+		this.addRange(ri);
+	}
+
+	public void addRange(RangeInt ri) {
+		RangeInt[] newRanges = new RangeInt[ranges.length + 1];
+		System.arraycopy(ranges, 0, newRanges, 0, ranges.length);
+		newRanges[ranges.length] = ri;
+		this.ranges = newRanges;
+	}
+
+	public boolean isInRange(int val) {
+		for (int i = 0; i < this.ranges.length; ++i) {
+			RangeInt rangeint = this.ranges[i];
+
+			if (rangeint.isInRange(val)) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	public int getCountRanges() {
+		return this.ranges.length;
+	}
+
+	public RangeInt getRange(int i) {
+		return this.ranges[i];
+	}
+
+	public String toString() {
+		StringBuffer stringbuffer = new StringBuffer();
+		stringbuffer.append("[");
+
+		for (int i = 0; i < this.ranges.length; ++i) {
+			RangeInt rangeint = this.ranges[i];
+
+			if (i > 0) {
+				stringbuffer.append(", ");
+			}
+
+			stringbuffer.append(rangeint.toString());
+		}
+
+		stringbuffer.append("]");
+		return stringbuffer.toString();
+	}
+}

sources/main/java/net/optifine/config/Weather.java

@@ -0,0 +1,18 @@
+package net.optifine.config;
+
+import net.minecraft.world.World;
+
+public enum Weather {
+	CLEAR, RAIN, THUNDER;
+
+	public static Weather getWeather(World world, float partialTicks) {
+		float f = world.getThunderStrength(partialTicks);
+
+		if (f > 0.5F) {
+			return THUNDER;
+		} else {
+			float f1 = world.getRainStrength(partialTicks);
+			return f1 > 0.5F ? RAIN : CLEAR;
+		}
+	}
+}

sources/main/java/net/optifine/model/BlockModelCustomizer.java

@@ -0,0 +1,100 @@
+package net.optifine.model;
+
+import com.google.common.collect.ImmutableList;
+import java.util.List;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.client.renderer.block.model.BakedQuad;
+import net.minecraft.client.resources.model.IBakedModel;
+import net.minecraft.util.BlockPos;
+import net.minecraft.util.EnumFacing;
+import net.minecraft.util.EnumWorldBlockLayer;
+import net.minecraft.world.IBlockAccess;
+import net.optifine.BetterGrass;
+import net.optifine.Config;
+import net.optifine.ConnectedTextures;
+import net.optifine.SmartLeaves;
+import net.optifine.render.RenderEnv;
+
+public class BlockModelCustomizer {
+	private static final List<BakedQuad> NO_QUADS = ImmutableList.<BakedQuad>of();
+
+	public static IBakedModel getRenderModel(IBakedModel modelIn, IBlockState stateIn, RenderEnv renderEnv) {
+		if (renderEnv.isSmartLeaves()) {
+			modelIn = SmartLeaves.getLeavesModel(modelIn, stateIn);
+		}
+
+		return modelIn;
+	}
+
+	public static List<BakedQuad> getRenderQuads(List<BakedQuad> quads, IBlockAccess worldIn, IBlockState stateIn,
+			BlockPos posIn, EnumFacing enumfacing, EnumWorldBlockLayer layer, long rand, RenderEnv renderEnv) {
+		if (enumfacing != null) {
+			if (renderEnv.isSmartLeaves()
+					&& SmartLeaves.isSameLeaves(worldIn.getBlockState(posIn.offset(enumfacing)), stateIn)) {
+				return NO_QUADS;
+			}
+
+			if (!renderEnv.isBreakingAnimation(quads) && Config.isBetterGrass()) {
+				quads = BetterGrass.getFaceQuads(worldIn, stateIn, posIn, enumfacing, quads);
+			}
+		}
+
+		List<BakedQuad> list = renderEnv.getListQuadsCustomizer();
+		list.clear();
+
+		for (int i = 0; i < quads.size(); ++i) {
+			BakedQuad bakedquad = (BakedQuad) quads.get(i);
+			BakedQuad[] abakedquad = getRenderQuads(bakedquad, worldIn, stateIn, posIn, enumfacing, rand, renderEnv);
+
+			if (i == 0 && quads.size() == 1 && abakedquad.length == 1 && abakedquad[0] == bakedquad
+			/* && bakedquad.getQuadEmissive() == null */) {
+				return quads;
+			}
+
+			for (int j = 0; j < abakedquad.length; ++j) {
+				BakedQuad bakedquad1 = abakedquad[j];
+				list.add(bakedquad1);
+
+//				if (bakedquad1.getQuadEmissive() != null) {
+//					renderEnv.getListQuadsOverlay(getEmissiveLayer(layer)).addQuad(bakedquad1.getQuadEmissive(),
+//							stateIn);
+//					renderEnv.setOverlaysRendered(true);
+//				}
+			}
+		}
+
+		return list;
+	}
+
+	private static EnumWorldBlockLayer getEmissiveLayer(EnumWorldBlockLayer layer) {
+		return layer != null && layer != EnumWorldBlockLayer.SOLID ? layer : EnumWorldBlockLayer.CUTOUT_MIPPED;
+	}
+
+	private static BakedQuad[] getRenderQuads(BakedQuad quad, IBlockAccess worldIn, IBlockState stateIn, BlockPos posIn,
+			EnumFacing enumfacing, long rand, RenderEnv renderEnv) {
+		if (renderEnv.isBreakingAnimation(quad)) {
+			return renderEnv.getArrayQuadsCtm(quad);
+		} else {
+//			BakedQuad bakedquad = quad;
+
+			if (Config.isConnectedTextures()) {
+				BakedQuad[] abakedquad = ConnectedTextures.getConnectedTexture(worldIn, stateIn, posIn, quad,
+						renderEnv);
+
+				if (abakedquad.length != 1 || abakedquad[0] != quad) {
+					return abakedquad;
+				}
+			}
+
+//			if (Config.isNaturalTextures()) {
+//				quad = NaturalTextures.getNaturalTexture(posIn, quad);
+//
+//				if (quad != bakedquad) {
+//					return renderEnv.getArrayQuadsCtm(quad);
+//				}
+//			}
+
+			return renderEnv.getArrayQuadsCtm(quad);
+		}
+	}
+}

sources/main/java/net/optifine/model/BlockModelUtils.java

@@ -0,0 +1,173 @@
+package net.optifine.model;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import net.lax1dude.eaglercraft.v1_8.minecraft.EaglerTextureAtlasSprite;
+import net.lax1dude.eaglercraft.v1_8.vector.Vector3f;
+import net.minecraft.block.Block;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.block.model.BakedQuad;
+import net.minecraft.client.renderer.block.model.BlockFaceUV;
+import net.minecraft.client.renderer.block.model.BlockPartFace;
+import net.minecraft.client.renderer.block.model.BlockPartRotation;
+import net.minecraft.client.renderer.block.model.BreakingFour;
+import net.minecraft.client.renderer.block.model.FaceBakery;
+import net.minecraft.client.renderer.block.model.ItemCameraTransforms;
+import net.minecraft.client.renderer.texture.TextureMap;
+import net.minecraft.client.resources.model.IBakedModel;
+import net.minecraft.client.resources.model.ModelManager;
+import net.minecraft.client.resources.model.ModelResourceLocation;
+import net.minecraft.client.resources.model.ModelRotation;
+import net.minecraft.client.resources.model.SimpleBakedModel;
+import net.minecraft.util.AxisAlignedBB;
+import net.minecraft.util.BlockPos;
+import net.minecraft.util.EnumFacing;
+
+public class BlockModelUtils {
+	private static final float VERTEX_COORD_ACCURACY = 1.0E-6F;
+
+	public static IBakedModel makeModelCube(String spriteName, int tintIndex) {
+		EaglerTextureAtlasSprite textureatlassprite = Minecraft.getMinecraft().getTextureMapBlocks()
+				.getAtlasSprite(spriteName);
+		return makeModelCube(textureatlassprite, tintIndex);
+	}
+
+	public static IBakedModel makeModelCube(EaglerTextureAtlasSprite sprite, int tintIndex) {
+		List list = new ArrayList();
+		EnumFacing[] aenumfacing = EnumFacing._VALUES;
+		List<List<BakedQuad>> list1 = new ArrayList();
+
+		for (int i = 0; i < aenumfacing.length; ++i) {
+			EnumFacing enumfacing = aenumfacing[i];
+			List list2 = new ArrayList();
+			list2.add(makeBakedQuad(enumfacing, sprite, tintIndex));
+			list1.add(list2);
+		}
+
+		IBakedModel ibakedmodel = new SimpleBakedModel(list, list1, true, true, sprite, ItemCameraTransforms.DEFAULT);
+		return ibakedmodel;
+	}
+
+	public static IBakedModel joinModelsCube(IBakedModel modelBase, IBakedModel modelAdd) {
+		List<BakedQuad> list = new ArrayList();
+		list.addAll(modelBase.getGeneralQuads());
+		list.addAll(modelAdd.getGeneralQuads());
+		EnumFacing[] aenumfacing = EnumFacing._VALUES;
+		List list1 = new ArrayList();
+
+		for (int i = 0; i < aenumfacing.length; ++i) {
+			EnumFacing enumfacing = aenumfacing[i];
+			List list2 = new ArrayList();
+			list2.addAll(modelBase.getFaceQuads(enumfacing));
+			list2.addAll(modelAdd.getFaceQuads(enumfacing));
+			list1.add(list2);
+		}
+
+		boolean flag = modelBase.isAmbientOcclusion();
+		boolean flag1 = modelBase.isBuiltInRenderer();
+		EaglerTextureAtlasSprite textureatlassprite = modelBase.getParticleTexture();
+		ItemCameraTransforms itemcameratransforms = modelBase.getItemCameraTransforms();
+		IBakedModel ibakedmodel = new SimpleBakedModel(list, list1, flag, flag1, textureatlassprite,
+				itemcameratransforms);
+		return ibakedmodel;
+	}
+
+	public static BakedQuad makeBakedQuad(EnumFacing facing, EaglerTextureAtlasSprite sprite, int tintIndex) {
+		Vector3f vector3f = new Vector3f(0.0F, 0.0F, 0.0F);
+		Vector3f vector3f1 = new Vector3f(16.0F, 16.0F, 16.0F);
+		BlockFaceUV blockfaceuv = new BlockFaceUV(new float[] { 0.0F, 0.0F, 16.0F, 16.0F }, 0);
+		BlockPartFace blockpartface = new BlockPartFace(facing, tintIndex, "#" + facing.getName(), blockfaceuv);
+		ModelRotation modelrotation = ModelRotation.X0_Y0;
+		BlockPartRotation blockpartrotation = null;
+		boolean flag = false;
+		boolean flag1 = true;
+		FaceBakery facebakery = new FaceBakery();
+		BakedQuad bakedquad = facebakery.makeBakedQuad(vector3f, vector3f1, blockpartface, sprite, facing,
+				modelrotation, blockpartrotation, flag, flag1);
+		return bakedquad;
+	}
+
+	public static IBakedModel makeModel(String modelName, String spriteOldName, String spriteNewName) {
+		TextureMap texturemap = Minecraft.getMinecraft().getTextureMapBlocks();
+		EaglerTextureAtlasSprite textureatlassprite = texturemap.getAtlasSprite(spriteOldName); // getSpriteSafe
+		EaglerTextureAtlasSprite textureatlassprite1 = texturemap.getAtlasSprite(spriteNewName);
+		return makeModel(modelName, textureatlassprite, textureatlassprite1);
+	}
+
+	public static IBakedModel makeModel(String modelName, EaglerTextureAtlasSprite spriteOld,
+			EaglerTextureAtlasSprite spriteNew) {
+		if (spriteOld != null && spriteNew != null) {
+			ModelManager modelmanager = Minecraft.getMinecraft().getModelManager();
+
+			if (modelmanager == null) {
+				return null;
+			} else {
+				ModelResourceLocation modelresourcelocation = new ModelResourceLocation(modelName, "normal");
+				IBakedModel ibakedmodel = modelmanager.getModel(modelresourcelocation);
+
+				if (ibakedmodel != null && ibakedmodel != modelmanager.getMissingModel()) {
+					IBakedModel ibakedmodel1 = ModelUtils.duplicateModel(ibakedmodel);
+					EnumFacing[] aenumfacing = EnumFacing._VALUES;
+
+					for (int i = 0; i < aenumfacing.length; ++i) {
+						EnumFacing enumfacing = aenumfacing[i];
+						List<BakedQuad> list = ibakedmodel1.getFaceQuads(enumfacing);
+						replaceTexture(list, spriteOld, spriteNew);
+					}
+
+					List<BakedQuad> list1 = ibakedmodel1.getGeneralQuads();
+					replaceTexture(list1, spriteOld, spriteNew);
+					return ibakedmodel1;
+				} else {
+					return null;
+				}
+			}
+		} else {
+			return null;
+		}
+	}
+
+	private static void replaceTexture(List<BakedQuad> quads, EaglerTextureAtlasSprite spriteOld,
+			EaglerTextureAtlasSprite spriteNew) {
+		List<BakedQuad> list = new ArrayList();
+
+		for (BakedQuad bakedquad : quads) {
+			if (bakedquad.getSprite() == spriteOld) {
+				bakedquad = new BreakingFour(bakedquad, spriteNew);
+			}
+
+			list.add(bakedquad);
+		}
+
+		quads.clear();
+		quads.addAll(list);
+	}
+
+	public static void snapVertexPosition(Vector3f pos) {
+		pos.setX(snapVertexCoord(pos.getX()));
+		pos.setY(snapVertexCoord(pos.getY()));
+		pos.setZ(snapVertexCoord(pos.getZ()));
+	}
+
+	private static float snapVertexCoord(float x) {
+		return x > -1.0E-6F && x < 1.0E-6F ? 0.0F : (x > 0.999999F && x < 1.000001F ? 1.0F : x);
+	}
+
+	public static AxisAlignedBB getOffsetBoundingBox(AxisAlignedBB aabb, Block.EnumOffsetType offsetType,
+			BlockPos pos) {
+		int i = pos.getX();
+		int j = pos.getZ();
+		long k = (long) (i * 3129871) ^ (long) j * 116129781L;
+		k = k * k * 42317861L + k * 11L;
+		double d0 = ((double) ((float) (k >> 16 & 15L) / 15.0F) - 0.5D) * 0.5D;
+		double d1 = ((double) ((float) (k >> 24 & 15L) / 15.0F) - 0.5D) * 0.5D;
+		double d2 = 0.0D;
+
+		if (offsetType == Block.EnumOffsetType.XYZ) {
+			d2 = ((double) ((float) (k >> 20 & 15L) / 15.0F) - 1.0D) * 0.2D;
+		}
+
+		return aabb.offset(d0, d2, d1);
+	}
+}

sources/main/java/net/optifine/model/ListQuadsOverlay.java

@@ -0,0 +1,44 @@
+package net.optifine.model;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.client.renderer.block.model.BakedQuad;
+import net.minecraft.init.Blocks;
+
+public class ListQuadsOverlay {
+	private List<BakedQuad> listQuads = new ArrayList();
+	private List<IBlockState> listBlockStates = new ArrayList();
+	private List<BakedQuad> listQuadsSingle = Arrays.<BakedQuad>asList(new BakedQuad[1]);
+
+	public void addQuad(BakedQuad quad, IBlockState blockState) {
+		if (quad != null) {
+			this.listQuads.add(quad);
+			this.listBlockStates.add(blockState);
+		}
+	}
+
+	public int size() {
+		return this.listQuads.size();
+	}
+
+	public BakedQuad getQuad(int index) {
+		return (BakedQuad) this.listQuads.get(index);
+	}
+
+	public IBlockState getBlockState(int index) {
+		return index >= 0 && index < this.listBlockStates.size() ? (IBlockState) this.listBlockStates.get(index)
+				: Blocks.air.getDefaultState();
+	}
+
+	public List<BakedQuad> getListQuadsSingle(BakedQuad quad) {
+		this.listQuadsSingle.set(0, quad);
+		return this.listQuadsSingle;
+	}
+
+	public void clear() {
+		this.listQuads.clear();
+		this.listBlockStates.clear();
+	}
+}

sources/main/java/net/optifine/model/ModelUtils.java

@@ -0,0 +1,94 @@
+package net.optifine.model;
+
+import java.util.ArrayList;
+import java.util.List;
+import net.minecraft.client.renderer.block.model.BakedQuad;
+import net.minecraft.client.resources.model.IBakedModel;
+import net.minecraft.client.resources.model.SimpleBakedModel;
+import net.minecraft.util.EnumFacing;
+
+public class ModelUtils {
+	public static void dbgModel(IBakedModel model) {
+		if (model != null) {
+			// Config.dbg("Model: " + model + ", ao: " + model.isAmbientOcclusion() + ",
+			// gui3d: " + model.isGui3d() + ", builtIn: " + model.isBuiltInRenderer() + ",
+			// particle: " + model.getParticleTexture());
+			EnumFacing[] aenumfacing = EnumFacing._VALUES;
+
+			for (int i = 0; i < aenumfacing.length; ++i) {
+				EnumFacing enumfacing = aenumfacing[i];
+				List list = model.getFaceQuads(enumfacing);
+				dbgQuads(enumfacing.getName(), list, "  ");
+			}
+
+			List list1 = model.getGeneralQuads();
+			dbgQuads("General", list1, "  ");
+		}
+	}
+
+	private static void dbgQuads(String name, List quads, String prefix) {
+		for (Object bakedquad0 : quads) {
+			BakedQuad bakedQuad = (BakedQuad) bakedquad0;
+			dbgQuad(name, bakedQuad, prefix);
+		}
+	}
+
+	public static void dbgQuad(String name, BakedQuad quad, String prefix) {
+		// Config.dbg(prefix + "Quad: " + quad.getClass().getName() + ", type: " + name
+		// + ", face: " + quad.getFace() + ", tint: " + quad.getTintIndex() + ", sprite:
+		// " + quad.getSprite());
+		dbgVertexData(quad.getVertexData(), "  " + prefix);
+	}
+
+	public static void dbgVertexData(int[] vd, String prefix) {
+		int i = vd.length / 4;
+		// Config.dbg(prefix + "Length: " + vd.length + ", step: " + i);
+
+		for (int j = 0; j < 4; ++j) {
+			int k = j * i;
+			float f = Float.intBitsToFloat(vd[k + 0]);
+			float f1 = Float.intBitsToFloat(vd[k + 1]);
+			float f2 = Float.intBitsToFloat(vd[k + 2]);
+			int l = vd[k + 3];
+			float f3 = Float.intBitsToFloat(vd[k + 4]);
+			float f4 = Float.intBitsToFloat(vd[k + 5]);
+			// Config.dbg(prefix + j + " xyz: " + f + "," + f1 + "," + f2 + " col: " + l + "
+			// u,v: " + f3 + "," + f4);
+		}
+	}
+
+	public static IBakedModel duplicateModel(IBakedModel model) {
+		List list = duplicateQuadList(model.getGeneralQuads());
+		EnumFacing[] aenumfacing = EnumFacing._VALUES;
+		List list1 = new ArrayList();
+
+		for (int i = 0; i < aenumfacing.length; ++i) {
+			EnumFacing enumfacing = aenumfacing[i];
+			List list2 = model.getFaceQuads(enumfacing);
+			List list3 = duplicateQuadList(list2);
+			list1.add(list3);
+		}
+
+		SimpleBakedModel simplebakedmodel = new SimpleBakedModel(list, list1, model.isAmbientOcclusion(),
+				model.isGui3d(), model.getParticleTexture(), model.getItemCameraTransforms());
+		return simplebakedmodel;
+	}
+
+	public static List duplicateQuadList(List lists) {
+		List list = new ArrayList();
+
+		for (Object e : lists) {
+			BakedQuad bakedquad = (BakedQuad) e;
+			BakedQuad bakedquad1 = duplicateQuad(bakedquad);
+			list.add(bakedquad1);
+		}
+
+		return list;
+	}
+
+	public static BakedQuad duplicateQuad(BakedQuad quad) {
+		BakedQuad bakedquad = new BakedQuad((int[]) quad.getVertexData().clone(),
+				(int[]) quad.getVertexDataWithNormals().clone(), quad.getTintIndex(), quad.getFace(), quad.getSprite());
+		return bakedquad;
+	}
+}

sources/main/java/net/optifine/model/QuadBounds.java

@@ -0,0 +1,158 @@
+package net.optifine.model;
+
+import net.minecraft.util.EnumFacing;
+
+public class QuadBounds {
+	private float minX = Float.MAX_VALUE;
+	private float minY = Float.MAX_VALUE;
+	private float minZ = Float.MAX_VALUE;
+	private float maxX = -3.4028235E38F;
+	private float maxY = -3.4028235E38F;
+	private float maxZ = -3.4028235E38F;
+
+	public QuadBounds(int[] vertexData) {
+		int i = vertexData.length / 4;
+
+		for (int j = 0; j < 4; ++j) {
+			int k = j * i;
+			float f = Float.intBitsToFloat(vertexData[k + 0]);
+			float f1 = Float.intBitsToFloat(vertexData[k + 1]);
+			float f2 = Float.intBitsToFloat(vertexData[k + 2]);
+
+			if (this.minX > f) {
+				this.minX = f;
+			}
+
+			if (this.minY > f1) {
+				this.minY = f1;
+			}
+
+			if (this.minZ > f2) {
+				this.minZ = f2;
+			}
+
+			if (this.maxX < f) {
+				this.maxX = f;
+			}
+
+			if (this.maxY < f1) {
+				this.maxY = f1;
+			}
+
+			if (this.maxZ < f2) {
+				this.maxZ = f2;
+			}
+		}
+	}
+
+	public float getMinX() {
+		return this.minX;
+	}
+
+	public float getMinY() {
+		return this.minY;
+	}
+
+	public float getMinZ() {
+		return this.minZ;
+	}
+
+	public float getMaxX() {
+		return this.maxX;
+	}
+
+	public float getMaxY() {
+		return this.maxY;
+	}
+
+	public float getMaxZ() {
+		return this.maxZ;
+	}
+
+	public boolean isFaceQuad(EnumFacing face) {
+		float f;
+		float f1;
+		float f2;
+
+		switch (face) {
+		case DOWN:
+			f = this.getMinY();
+			f1 = this.getMaxY();
+			f2 = 0.0F;
+			break;
+
+		case UP:
+			f = this.getMinY();
+			f1 = this.getMaxY();
+			f2 = 1.0F;
+			break;
+
+		case NORTH:
+			f = this.getMinZ();
+			f1 = this.getMaxZ();
+			f2 = 0.0F;
+			break;
+
+		case SOUTH:
+			f = this.getMinZ();
+			f1 = this.getMaxZ();
+			f2 = 1.0F;
+			break;
+
+		case WEST:
+			f = this.getMinX();
+			f1 = this.getMaxX();
+			f2 = 0.0F;
+			break;
+
+		case EAST:
+			f = this.getMinX();
+			f1 = this.getMaxX();
+			f2 = 1.0F;
+			break;
+
+		default:
+			return false;
+		}
+
+		return f == f2 && f1 == f2;
+	}
+
+	public boolean isFullQuad(EnumFacing face) {
+		float f;
+		float f1;
+		float f2;
+		float f3;
+
+		switch (face) {
+		case DOWN:
+		case UP:
+			f = this.getMinX();
+			f1 = this.getMaxX();
+			f2 = this.getMinZ();
+			f3 = this.getMaxZ();
+			break;
+
+		case NORTH:
+		case SOUTH:
+			f = this.getMinX();
+			f1 = this.getMaxX();
+			f2 = this.getMinY();
+			f3 = this.getMaxY();
+			break;
+
+		case WEST:
+		case EAST:
+			f = this.getMinY();
+			f1 = this.getMaxY();
+			f2 = this.getMinZ();
+			f3 = this.getMaxZ();
+			break;
+
+		default:
+			return false;
+		}
+
+		return f == 0.0F && f1 == 1.0F && f2 == 0.0F && f3 == 1.0F;
+	}
+}

sources/main/java/net/optifine/render/Blender.java

@@ -0,0 +1,122 @@
+package net.optifine.render;
+
+import net.lax1dude.eaglercraft.v1_8.opengl.GlStateManager;
+import net.optifine.Config;
+
+public class Blender {
+	public static final int BLEND_ALPHA = 0;
+	public static final int BLEND_ADD = 1;
+	public static final int BLEND_SUBSTRACT = 2;
+	public static final int BLEND_MULTIPLY = 3;
+	public static final int BLEND_DODGE = 4;
+	public static final int BLEND_BURN = 5;
+	public static final int BLEND_SCREEN = 6;
+	public static final int BLEND_OVERLAY = 7;
+	public static final int BLEND_REPLACE = 8;
+	public static final int BLEND_DEFAULT = 1;
+
+	public static int parseBlend(String str) {
+		if (str == null) {
+			return 1;
+		} else {
+			str = str.toLowerCase().trim();
+
+			if (str.equals("alpha")) {
+				return 0;
+			} else if (str.equals("add")) {
+				return 1;
+			} else if (str.equals("subtract")) {
+				return 2;
+			} else if (str.equals("multiply")) {
+				return 3;
+			} else if (str.equals("dodge")) {
+				return 4;
+			} else if (str.equals("burn")) {
+				return 5;
+			} else if (str.equals("screen")) {
+				return 6;
+			} else if (str.equals("overlay")) {
+				return 7;
+			} else if (str.equals("replace")) {
+				return 8;
+			} else {
+				Config.warn("Unknown blend: " + str);
+				return 1;
+			}
+		}
+	}
+
+	public static void setupBlend(int blend, float brightness) {
+		switch (blend) {
+		case 0:
+			GlStateManager.disableAlpha();
+			GlStateManager.enableBlend();
+			GlStateManager.blendFunc(770, 771);
+			GlStateManager.color(1.0F, 1.0F, 1.0F, brightness);
+			break;
+
+		case 1:
+			GlStateManager.disableAlpha();
+			GlStateManager.enableBlend();
+			GlStateManager.blendFunc(770, 1);
+			GlStateManager.color(1.0F, 1.0F, 1.0F, brightness);
+			break;
+
+		case 2:
+			GlStateManager.disableAlpha();
+			GlStateManager.enableBlend();
+			GlStateManager.blendFunc(775, 0);
+			GlStateManager.color(brightness, brightness, brightness, 1.0F);
+			break;
+
+		case 3:
+			GlStateManager.disableAlpha();
+			GlStateManager.enableBlend();
+			GlStateManager.blendFunc(774, 771);
+			GlStateManager.color(brightness, brightness, brightness, brightness);
+			break;
+
+		case 4:
+			GlStateManager.disableAlpha();
+			GlStateManager.enableBlend();
+			GlStateManager.blendFunc(1, 1);
+			GlStateManager.color(brightness, brightness, brightness, 1.0F);
+			break;
+
+		case 5:
+			GlStateManager.disableAlpha();
+			GlStateManager.enableBlend();
+			GlStateManager.blendFunc(0, 769);
+			GlStateManager.color(brightness, brightness, brightness, 1.0F);
+			break;
+
+		case 6:
+			GlStateManager.disableAlpha();
+			GlStateManager.enableBlend();
+			GlStateManager.blendFunc(1, 769);
+			GlStateManager.color(brightness, brightness, brightness, 1.0F);
+			break;
+
+		case 7:
+			GlStateManager.disableAlpha();
+			GlStateManager.enableBlend();
+			GlStateManager.blendFunc(774, 768);
+			GlStateManager.color(brightness, brightness, brightness, 1.0F);
+			break;
+
+		case 8:
+			GlStateManager.enableAlpha();
+			GlStateManager.disableBlend();
+			GlStateManager.color(1.0F, 1.0F, 1.0F, brightness);
+		}
+
+		GlStateManager.enableTexture2D();
+	}
+
+	public static void clearBlend(float rainBrightness) {
+		GlStateManager.disableAlpha();
+		GlStateManager.enableBlend();
+		GlStateManager.blendFunc(770, 1);
+		GlStateManager.color(1.0F, 1.0F, 1.0F, rainBrightness);
+	}
+}

sources/main/java/net/optifine/render/RenderEnv.java

@@ -0,0 +1,265 @@
+package net.optifine.render;
+
+import java.util.ArrayList;
+import java.util.BitSet;
+import java.util.List;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockLeaves;
+import net.minecraft.block.state.BlockStateBase;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.client.renderer.BlockModelRenderer;
+import net.minecraft.client.renderer.RegionRenderCacheBuilder;
+import net.minecraft.client.renderer.block.model.BakedQuad;
+import net.minecraft.client.renderer.block.model.BreakingFour;
+import net.minecraft.util.BlockPos;
+import net.minecraft.util.EnumFacing;
+import net.minecraft.util.EnumWorldBlockLayer;
+import net.optifine.Config;
+import net.optifine.model.ListQuadsOverlay;
+
+public class RenderEnv {
+	private IBlockState blockState;
+	private BlockPos blockPos;
+	private int blockId = -1;
+	private int metadata = -1;
+	private int breakingAnimation = -1;
+	private int smartLeaves = -1;
+	private float[] quadBounds = new float[EnumFacing._VALUES.length * 2];
+	private BitSet boundsFlags = new BitSet(3);
+	private BlockModelRenderer.AmbientOcclusionFace aoFace = new BlockModelRenderer.AmbientOcclusionFace();
+	private BlockPos colorizerBlockPosM = null;
+	private boolean[] borderFlags = null;
+	private boolean[] borderFlags2 = null;
+	private boolean[] borderFlags3 = null;
+	private EnumFacing[] borderDirections = null;
+	private List<BakedQuad> listQuadsCustomizer = new ArrayList();
+	private List<BakedQuad> listQuadsCtmMultipass = new ArrayList();
+	private BakedQuad[] arrayQuadsCtm1 = new BakedQuad[1];
+	private BakedQuad[] arrayQuadsCtm2 = new BakedQuad[2];
+	private BakedQuad[] arrayQuadsCtm3 = new BakedQuad[3];
+	private BakedQuad[] arrayQuadsCtm4 = new BakedQuad[4];
+	private RegionRenderCacheBuilder regionRenderCacheBuilder = null;
+	private ListQuadsOverlay[] listsQuadsOverlay = new ListQuadsOverlay[EnumWorldBlockLayer.values().length];
+	private boolean overlaysRendered = false;
+	private static final int UNKNOWN = -1;
+	private static final int FALSE = 0;
+	private static final int TRUE = 1;
+
+	public RenderEnv(IBlockState blockState, BlockPos blockPos) {
+		this.blockState = blockState;
+		this.blockPos = blockPos;
+	}
+
+	public void reset(IBlockState blockStateIn, BlockPos blockPosIn) {
+		if (this.blockState != blockStateIn || this.blockPos != blockPosIn) {
+			this.blockState = blockStateIn;
+			this.blockPos = blockPosIn;
+			this.blockId = -1;
+			this.metadata = -1;
+			this.breakingAnimation = -1;
+			this.smartLeaves = -1;
+			this.boundsFlags.clear();
+		}
+	}
+
+	public int getBlockId() {
+		if (this.blockId < 0) {
+			if (this.blockState instanceof BlockStateBase) {
+				BlockStateBase blockstatebase = (BlockStateBase) this.blockState;
+				this.blockId = blockstatebase.getBlockId();
+			} else {
+				this.blockId = Block.getIdFromBlock(this.blockState.getBlock());
+			}
+		}
+
+		return this.blockId;
+	}
+
+	public int getMetadata() {
+		if (this.metadata < 0) {
+			if (this.blockState instanceof BlockStateBase) {
+				BlockStateBase blockstatebase = (BlockStateBase) this.blockState;
+				this.metadata = blockstatebase.getMetadata();
+			} else {
+				this.metadata = this.blockState.getBlock().getMetaFromState(this.blockState);
+			}
+		}
+
+		return this.metadata;
+	}
+
+	public float[] getQuadBounds() {
+		return this.quadBounds;
+	}
+
+	public BitSet getBoundsFlags() {
+		return this.boundsFlags;
+	}
+
+	public BlockModelRenderer.AmbientOcclusionFace getAoFace() {
+		return this.aoFace;
+	}
+
+	public boolean isBreakingAnimation(List listQuads) {
+		if (this.breakingAnimation == -1 && listQuads.size() > 0) {
+			if (listQuads.get(0) instanceof BreakingFour) {
+				this.breakingAnimation = 1;
+			} else {
+				this.breakingAnimation = 0;
+			}
+		}
+
+		return this.breakingAnimation == 1;
+	}
+
+	public boolean isBreakingAnimation(BakedQuad quad) {
+		if (this.breakingAnimation < 0) {
+			if (quad instanceof BreakingFour) {
+				this.breakingAnimation = 1;
+			} else {
+				this.breakingAnimation = 0;
+			}
+		}
+
+		return this.breakingAnimation == 1;
+	}
+
+	public boolean isBreakingAnimation() {
+		return this.breakingAnimation == 1;
+	}
+
+	public IBlockState getBlockState() {
+		return this.blockState;
+	}
+
+	public BlockPos getColorizerBlockPosM() {
+		if (this.colorizerBlockPosM == null) {
+			this.colorizerBlockPosM = new BlockPos(0, 0, 0);
+		}
+
+		return this.colorizerBlockPosM;
+	}
+
+	public boolean[] getBorderFlags() {
+		if (this.borderFlags == null) {
+			this.borderFlags = new boolean[4];
+		}
+
+		return this.borderFlags;
+	}
+
+	public boolean[] getBorderFlags2() {
+		if (this.borderFlags2 == null) {
+			this.borderFlags2 = new boolean[4];
+		}
+
+		return this.borderFlags2;
+	}
+
+	public boolean[] getBorderFlags3() {
+		if (this.borderFlags3 == null) {
+			this.borderFlags3 = new boolean[4];
+		}
+
+		return this.borderFlags3;
+	}
+
+	public EnumFacing[] getBorderDirections() {
+		if (this.borderDirections == null) {
+			this.borderDirections = new EnumFacing[4];
+		}
+
+		return this.borderDirections;
+	}
+
+	public EnumFacing[] getBorderDirections(EnumFacing dir0, EnumFacing dir1, EnumFacing dir2, EnumFacing dir3) {
+		EnumFacing[] aenumfacing = this.getBorderDirections();
+		aenumfacing[0] = dir0;
+		aenumfacing[1] = dir1;
+		aenumfacing[2] = dir2;
+		aenumfacing[3] = dir3;
+		return aenumfacing;
+	}
+
+	public boolean isSmartLeaves() {
+		if (this.smartLeaves == -1) {
+			if (Config.isTreesSmart() && this.blockState.getBlock() instanceof BlockLeaves) {
+				this.smartLeaves = 1;
+			} else {
+				this.smartLeaves = 0;
+			}
+		}
+
+		return this.smartLeaves == 1;
+	}
+
+	public List<BakedQuad> getListQuadsCustomizer() {
+		return this.listQuadsCustomizer;
+	}
+
+	public BakedQuad[] getArrayQuadsCtm(BakedQuad quad) {
+		this.arrayQuadsCtm1[0] = quad;
+		return this.arrayQuadsCtm1;
+	}
+
+	public BakedQuad[] getArrayQuadsCtm(BakedQuad quad0, BakedQuad quad1) {
+		this.arrayQuadsCtm2[0] = quad0;
+		this.arrayQuadsCtm2[1] = quad1;
+		return this.arrayQuadsCtm2;
+	}
+
+	public BakedQuad[] getArrayQuadsCtm(BakedQuad quad0, BakedQuad quad1, BakedQuad quad2) {
+		this.arrayQuadsCtm3[0] = quad0;
+		this.arrayQuadsCtm3[1] = quad1;
+		this.arrayQuadsCtm3[2] = quad2;
+		return this.arrayQuadsCtm3;
+	}
+
+	public BakedQuad[] getArrayQuadsCtm(BakedQuad quad0, BakedQuad quad1, BakedQuad quad2, BakedQuad quad3) {
+		this.arrayQuadsCtm4[0] = quad0;
+		this.arrayQuadsCtm4[1] = quad1;
+		this.arrayQuadsCtm4[2] = quad2;
+		this.arrayQuadsCtm4[3] = quad3;
+		return this.arrayQuadsCtm4;
+	}
+
+	public List<BakedQuad> getListQuadsCtmMultipass(BakedQuad[] quads) {
+		this.listQuadsCtmMultipass.clear();
+
+		if (quads != null) {
+			for (int i = 0; i < quads.length; ++i) {
+				BakedQuad bakedquad = quads[i];
+				this.listQuadsCtmMultipass.add(bakedquad);
+			}
+		}
+
+		return this.listQuadsCtmMultipass;
+	}
+
+	public RegionRenderCacheBuilder getRegionRenderCacheBuilder() {
+		return this.regionRenderCacheBuilder;
+	}
+
+	public void setRegionRenderCacheBuilder(RegionRenderCacheBuilder regionRenderCacheBuilder) {
+		this.regionRenderCacheBuilder = regionRenderCacheBuilder;
+	}
+
+	public ListQuadsOverlay getListQuadsOverlay(EnumWorldBlockLayer layer) {
+		ListQuadsOverlay listquadsoverlay = this.listsQuadsOverlay[layer.ordinal()];
+
+		if (listquadsoverlay == null) {
+			listquadsoverlay = new ListQuadsOverlay();
+			this.listsQuadsOverlay[layer.ordinal()] = listquadsoverlay;
+		}
+
+		return listquadsoverlay;
+	}
+
+	public boolean isOverlaysRendered() {
+		return this.overlaysRendered;
+	}
+
+	public void setOverlaysRendered(boolean overlaysRendered) {
+		this.overlaysRendered = overlaysRendered;
+	}
+}

sources/main/java/net/optifine/util/CounterInt.java

@@ -0,0 +1,24 @@
+package net.optifine.util;
+
+public class CounterInt {
+	private int startValue;
+	private int value;
+
+	public CounterInt(int startValue) {
+		this.startValue = startValue;
+		this.value = startValue;
+	}
+
+	public int nextValue() {
+		int i = this.value++;
+		return i;
+	}
+
+	public void reset() {
+		this.value = this.startValue;
+	}
+
+	public int getValue() {
+		return this.value;
+	}
+}

sources/main/java/net/optifine/util/MathUtils.java

@@ -0,0 +1,74 @@
+package net.optifine.util;
+
+import net.minecraft.util.MathHelper;
+
+public class MathUtils {
+	public static final float PI = (float) Math.PI;
+	public static final float PI2 = ((float) Math.PI * 2F);
+	public static final float PId2 = ((float) Math.PI / 2F);
+//	private static final float[] ASIN_TABLE = new float[65536];
+//
+//	public static float asin(float value) {
+//		return ASIN_TABLE[(int) ((double) (value + 1.0F) * 32767.5D) & 65535];
+//	}
+//
+//	public static float acos(float value) {
+//		return ((float) Math.PI / 2F) - ASIN_TABLE[(int) ((double) (value + 1.0F) * 32767.5D) & 65535];
+//	}
+
+	public static int getAverage(int[] vals) {
+		if (vals.length <= 0) {
+			return 0;
+		} else {
+			int i = getSum(vals);
+			int j = i / vals.length;
+			return j;
+		}
+	}
+
+	public static int getSum(int[] vals) {
+		if (vals.length <= 0) {
+			return 0;
+		} else {
+			int i = 0;
+
+			for (int j = 0; j < vals.length; ++j) {
+				int k = vals[j];
+				i += k;
+			}
+
+			return i;
+		}
+	}
+
+	public static int roundDownToPowerOfTwo(int val) {
+		int i = MathHelper.roundUpToPowerOfTwo(val);
+		return val == i ? i : i / 2;
+	}
+
+	public static boolean equalsDelta(float f1, float f2, float delta) {
+		return Math.abs(f1 - f2) <= delta;
+	}
+
+	public static float toDeg(float angle) {
+		return angle * 180.0F / PI;
+	}
+
+	public static float toRad(float angle) {
+		return angle / 180.0F * PI;
+	}
+
+	public static float roundToFloat(double d) {
+		return (float) ((double) Math.round(d * 1.0E8D) / 1.0E8D);
+	}
+
+//	static {
+//		for (int i = 0; i < 65536; ++i) {
+//			ASIN_TABLE[i] = (float) Math.asin((double) i / 32767.5D - 1.0D);
+//		}
+//
+//		for (int j = -1; j < 2; ++j) {
+//			ASIN_TABLE[(int) (((double) j + 1.0D) * 32767.5D) & 65535] = (float) Math.asin((double) j);
+//		}
+//	}
+}

sources/main/java/net/optifine/util/NumUtils.java

@@ -0,0 +1,17 @@
+package net.optifine.util;
+
+public class NumUtils {
+	public static float limit(float val, float min, float max) {
+		return val < min ? min : (val > max ? max : val);
+	}
+
+	public static int mod(int x, int y) {
+		int i = x % y;
+
+		if (i < 0) {
+			i += y;
+		}
+
+		return i;
+	}
+}