mirror of
https://github.com/Eaglercraft-Archive/Eaglercraftx-1.8.8-src.git
synced 2025-07-13 19:09:57 -05:00
102 lines
3.4 KiB
GLSL
102 lines
3.4 KiB
GLSL
#line 2
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/*
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* Copyright (c) 2024 lax1dude. All Rights Reserved.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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precision lowp int;
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precision highp float;
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precision mediump sampler2D;
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layout(location = 0) in vec2 a_position2f;
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layout(location = 1) in vec3 p_position3f;
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layout(location = 2) in vec2 p_texCoords2i;
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layout(location = 3) in vec2 p_lightMap2f;
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layout(location = 4) in vec2 p_particleSize_texCoordsSize_2i;
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layout(location = 5) in vec4 p_color4f;
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out vec2 v_texCoord2f;
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out vec4 v_color4f;
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out vec2 v_lightmap2f;
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uniform mat4 u_modelViewMatrix4f;
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uniform mat4 u_projectionMatrix4f;
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uniform mat4 u_inverseViewMatrix4f;
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uniform vec3 u_texCoordSize2f_particleSize1f;
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uniform vec3 u_transformParam_1_2_5_f;
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uniform vec2 u_transformParam_3_4_f;
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uniform vec4 u_color4f;
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layout(std140) uniform u_chunkLightingData {
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mediump uvec2 u_dynamicLightOffsetCount2i;
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mediump int _paddingA_;
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mediump int _paddingB_;
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mediump uvec4 u_dynamicLightArray[4];
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};
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void main() {
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v_color4f = u_color4f * p_color4f.bgra;
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vec2 tex2f = a_position2f * 0.5 + 0.5;
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tex2f.y = 1.0 - tex2f.y;
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tex2f = p_texCoords2i + tex2f * p_particleSize_texCoordsSize_2i.y;
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v_texCoord2f = tex2f * u_texCoordSize2f_particleSize1f.xy;
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float particleSize = u_texCoordSize2f_particleSize1f.z * p_particleSize_texCoordsSize_2i.x;
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vec3 pos3f = p_position3f;
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vec2 spos2f = a_position2f * particleSize;
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pos3f += u_transformParam_1_2_5_f * spos2f.xyy;
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pos3f.zx += u_transformParam_3_4_f * spos2f;
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vec4 pos4f = u_modelViewMatrix4f * vec4(pos3f, 1.0);
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gl_Position = u_projectionMatrix4f * pos4f;
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float blockLight = 0.0;
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vec4 dlight;
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uvec4 dlighti1, dlighti2;
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if(u_dynamicLightOffsetCount2i.y > 0u) {
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vec3 dlightOffset = vec3(ivec3(
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int(u_dynamicLightOffsetCount2i.x << 16),
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int(u_dynamicLightOffsetCount2i.x << 8),
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int(u_dynamicLightOffsetCount2i.x)
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) >> 24);
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vec4 worldPosition4f = u_inverseViewMatrix4f * pos4f;
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worldPosition4f.xyz = worldPosition4f.xyz / worldPosition4f.w + dlightOffset;
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for(uint i = 0u; i < 4u; ++i) {
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dlighti1 = u_dynamicLightArray[i];
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dlighti2 = dlighti1 << 16;
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dlight = vec4(ivec4(ivec2(dlighti2.xy), ivec2(dlighti1.xy)) >> 16) * 0.0009765923;
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dlight.xyz = dlight.xyz - worldPosition4f.xyz;
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blockLight = max((dlight.w - length(dlight.xyz)) * 0.066667, blockLight);
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if(i * 2u + 1u >= u_dynamicLightOffsetCount2i.y) {
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break;
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}
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dlight = vec4(ivec4(ivec2(dlighti2.zw), ivec2(dlighti1.zw)) >> 16) * 0.0009765923;
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dlight.xyz = dlight.xyz - worldPosition4f.xyz;
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blockLight = max((dlight.w - length(dlight.xyz)) * 0.066667, blockLight);
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if(i * 2u + 2u >= u_dynamicLightOffsetCount2i.y) {
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break;
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}
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}
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}
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v_lightmap2f = vec2(max(p_lightMap2f.x, blockLight), p_lightMap2f.y);
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}
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