78 lines
2.2 KiB
GLSL
78 lines
2.2 KiB
GLSL
#version 450
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layout(location = 0) in FragmentObj {
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vec3 GeoPos; // Реальная позиция в мире
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uint VoxMTL; // Материал вокселя
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vec2 LUV;
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} Fragment;
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layout(location = 0) out vec4 Frame;
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struct InfoSubTexture {
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uint Flags; // 1 isExist
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uint PosXY, WidthHeight;
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uint AnimationFrames_AnimationTimePerFrame;
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};
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uniform layout(set = 0, binding = 0) sampler2D MainAtlas;
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layout(set = 0, binding = 1) readonly buffer MainAtlasLayoutObj {
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uint SubsCount;
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uint Counter;
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uint WidthHeight;
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InfoSubTexture SubTextures[];
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} MainAtlasLayout;
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uniform layout(set = 1, binding = 0) sampler2D LightMap;
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layout(set = 1, binding = 1) readonly buffer LightMapLayoutObj {
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vec3 Color;
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} LightMapLayout;
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vec4 atlasColor(uint texId, vec2 uv)
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{
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uv = mod(uv, 1);
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uint flags = (texId & 0xffff0000) >> 16;
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texId &= 0xffff;
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vec4 color = vec4(uv, 0, 1);
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if((flags & (2 | 4)) > 0)
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{
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if((flags & 2) > 0)
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color = vec4(1, 1, 1, 1);
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else if((flags & 4) > 0)
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{
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color = vec4(1);
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}
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}
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else if(texId >= uint(MainAtlasLayout.SubsCount))
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return vec4(((int(gl_FragCoord.x / 128) + int(gl_FragCoord.y / 128)) % 2 ) * vec3(0, 1, 1), 1);
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else {
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InfoSubTexture texInfo = MainAtlasLayout.SubTextures[texId];
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if(texInfo.Flags == 0)
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return vec4(((int(gl_FragCoord.x / 128) + int(gl_FragCoord.y / 128)) % 2 ) * vec3(1, 0, 1), 1);
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uint posX = texInfo.PosXY & 0xffff;
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uint posY = (texInfo.PosXY >> 16) & 0xffff;
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uint width = texInfo.WidthHeight & 0xffff;
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uint height = (texInfo.WidthHeight >> 16) & 0xffff;
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uint awidth = MainAtlasLayout.WidthHeight & 0xffff;
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uint aheight = (MainAtlasLayout.WidthHeight >> 16) & 0xffff;
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if((flags & 1) > 0)
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color = texture(MainAtlas, vec2((posX+0.5f+uv.x*(width-1))/awidth, (posY+0.5f+(1-uv.y)*(height-1))/aheight));
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else
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color = texture(MainAtlas, vec2((posX+uv.x*width)/awidth, (posY+(1-uv.y)*height)/aheight));
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}
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return color;
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}
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void main() {
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Frame = atlasColor(0, Fragment.GeoPos.xy);
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}
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