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