eaglercraft-1.8/sources/main/java/net/optifine/config/MatchBlock.java

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);
	}
}