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32 lines
858 B
GLSL
32 lines
858 B
GLSL
#version 120
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#if @useGPUShader4
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#extension GL_EXT_gpu_shader4: require
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#endif
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uniform sampler2D diffuseMap;
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varying vec2 diffuseMapUV;
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varying float alphaPassthrough;
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uniform bool useDiffuseMapForShadowAlpha;
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uniform bool alphaTestShadows;
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uniform float alphaRef;
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#include "lib/material/alpha.glsl"
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void main()
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{
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gl_FragData[0].rgb = vec3(1.0);
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if (useDiffuseMapForShadowAlpha)
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gl_FragData[0].a = texture2D(diffuseMap, diffuseMapUV).a * alphaPassthrough;
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else
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gl_FragData[0].a = alphaPassthrough;
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gl_FragData[0].a = alphaTest(gl_FragData[0].a, alphaRef);
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// Prevent translucent things casting shadow (including the player using an invisibility effect).
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// This replaces alpha blending, which obviously doesn't work with depth buffers
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if (alphaTestShadows && gl_FragData[0].a <= 0.5)
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discard;
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}
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