SangeFault/assets/minecraft/shaders/include/light.glsl
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 a50683c84e Updated to 1.18.1 Vanilla Assets
basically starting over... this is gonna be fun!
2022-01-20 17:44:06 +01:00

17 lines
663 B
GLSL

#version 150
#define MINECRAFT_LIGHT_POWER (0.6)
#define MINECRAFT_AMBIENT_LIGHT (0.4)
vec4 minecraft_mix_light(vec3 lightDir0, vec3 lightDir1, vec3 normal, vec4 color) {
lightDir0 = normalize(lightDir0);
lightDir1 = normalize(lightDir1);
float light0 = max(0.0, dot(lightDir0, normal));
float light1 = max(0.0, dot(lightDir1, normal));
float lightAccum = min(1.0, (light0 + light1) * MINECRAFT_LIGHT_POWER + MINECRAFT_AMBIENT_LIGHT);
return vec4(color.rgb * lightAccum, color.a);
}
vec4 minecraft_sample_lightmap(sampler2D lightMap, ivec2 uv) {
return texture(lightMap, clamp(uv / 256.0, vec2(0.5 / 16.0), vec2(15.5 / 16.0)));
}