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Light curve: Simplify and improve code, fix darkened daytime sky (#7693)

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Vitaliy 2018-09-16 19:59:42 +03:00 • committed by Paramat
parent 220ec79e4a
commit 79e393cf4b
3 changed files with 46 additions and 30 deletions
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16
src/light.h
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@ -63,21 +63,7 @@ inline u8 decode_light(u8 light)
// 0.0 <= light <= 1.0
// 0.0 <= return value <= 1.0
inline float decode_light_f(float light_f)
{
s32 i = (u32)(light_f * LIGHT_MAX + 0.5);
if (i <= 0)
return (float)light_decode_table[0] / 255.0;
if (i >= LIGHT_SUN)
return (float)light_decode_table[LIGHT_SUN] / 255.0;
float v1 = (float)light_decode_table[i - 1] / 255.0;
float v2 = (float)light_decode_table[i] / 255.0;
float f0 = (float)i - 0.5;
float f = light_f * LIGHT_MAX - f0;
return f * v2 + (1.0 - f) * v1;
}
float decode_light_f(float light_f);
void set_light_table(float gamma);