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| author | Perttu Ahola <celeron55@gmail.com> | 2012-05-20 14:12:17 +0300 |
|---|---|---|
| committer | Perttu Ahola <celeron55@gmail.com> | 2012-05-20 14:12:17 +0300 |
| commit | afda9810f12f30c0d62da5e43956ad1db800f707 (patch) | |
| tree | 616e54849a787d9984341e5a4ef18a03a825a4d0 | |
| parent | 22df8b81b39b98bb6c5f161ebcad57fe185492c8 (diff) | |
| download | minetest-afda9810f12f30c0d62da5e43956ad1db800f707.tar.gz minetest-afda9810f12f30c0d62da5e43956ad1db800f707.tar.bz2 minetest-afda9810f12f30c0d62da5e43956ad1db800f707.zip | |
Tune smooth lighting a bit
| -rw-r--r-- | src/mapblock_mesh.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/mapblock_mesh.cpp b/src/mapblock_mesh.cpp index 0e26161e2..658ffe5ee 100644 --- a/src/mapblock_mesh.cpp +++ b/src/mapblock_mesh.cpp @@ -274,8 +274,16 @@ static u8 getSmoothLight(enum LightBank bank, v3s16 p, MeshMakeData *data) if(ambient_occlusion > 4) { - ambient_occlusion -= 4; - light = (float)light / ((float)ambient_occlusion * 0.5 + 1.0); + //ambient_occlusion -= 4; + //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; |