X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Flight.h;h=f49be4518188cc78971c02ccb860dd862a285f99;hb=7289d61e99625b46eb2c4d6b90a2a5de42f207e6;hp=769ca31ce11b4e8c993a60b40d9886353b2a12e0;hpb=4e1f50035e860a00636ca5d804c267119df99601;p=minetest.git diff --git a/src/light.h b/src/light.h index 769ca31ce..f49be4518 100644 --- a/src/light.h +++ b/src/light.h @@ -63,7 +63,21 @@ inline u8 undiminish_light(u8 light) return light + 1; } -extern u8 light_decode_table[LIGHT_MAX+1]; +#ifndef SERVER + +/** + * \internal + * + * \warning DO NOT USE this directly; it is here simply so that decode_light() + * can be inlined. + * + * Array size is #LIGHTMAX+1 + * + * The array is a lookup table to convert the internal representation of light + * (brightness) to the display brightness. + * + */ +extern const u8 *light_decode_table; // 0 <= light <= LIGHT_SUN // 0 <= return value <= 255 @@ -93,6 +107,10 @@ inline float decode_light_f(float light_f) return f * v2 + (1.0 - f) * v1; } +void set_light_table(float gamma); + +#endif // ifndef SERVER + // 0 <= daylight_factor <= 1000 // 0 <= lightday, lightnight <= LIGHT_SUN // 0 <= return value <= LIGHT_SUN @@ -105,15 +123,5 @@ inline u8 blend_light(u32 daylight_factor, u8 lightday, u8 lightnight) return l; } -// 0.0 <= daylight_factor <= 1.0 -// 0 <= lightday, lightnight <= LIGHT_SUN -// 0 <= return value <= 255 -inline u8 blend_light_f1(float daylight_factor, u8 lightday, u8 lightnight) -{ - u8 l = ((daylight_factor * decode_light(lightday) + - (1.0-daylight_factor) * decode_light(lightnight))); - return l; -} - #endif