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minetest-engine-multicraft2
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Tune smooth lighting a bit

mutilcraft-mt53
Perttu Ahola 2012-05-20 14:12:17 +03:00
parent 22df8b81b3
commit afda9810f1
1 changed files with 10 additions and 2 deletions
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12
src/mapblock_mesh.cpp
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@ -274,8 +274,16 @@ static u8 getSmoothLight(enum LightBank bank, v3s16 p, MeshMakeData *data)
if(ambient_occlusion > 4) if(ambient_occlusion > 4)
{ {
ambient_occlusion -= 4; //ambient_occlusion -= 4;
light = (float)light / ((float)ambient_occlusion * 0.5 + 1.0); //light = (float)light / ((float)ambient_occlusion * 0.5 + 1.0);
float light_amount = (8 - ambient_occlusion) / 4.0;
float light_f = (float)light / 255.0;
light_f = pow(light_f, 2.2); // gamma -> linear space
light_f = light_f * light_amount;
light_f = pow(light_f, 1.0/2.2); // linear -> gamma space
if(light_f > 1.0)
light_f = 1.0;
light = 255.0 * light_f + 0.5;
} }
return light; return light;