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author | Craig Robbins <kde.psych@gmail.com> | 2014-12-14 21:28:08 +1000 |
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committer | Craig Robbins <kde.psych@gmail.com> | 2014-12-31 02:44:31 +1000 |
commit | 3d29be24e089b1c267409f05b897ce3f03e99a07 (patch) | |
tree | 56ecebfe323bf37536dcbf44c7a0668f725abc94 /src/light.h | |
parent | 2414580754734b62119369255b0e9c462381dc8a (diff) | |
download | minetest-3d29be24e089b1c267409f05b897ce3f03e99a07.tar.gz minetest-3d29be24e089b1c267409f05b897ce3f03e99a07.tar.bz2 minetest-3d29be24e089b1c267409f05b897ce3f03e99a07.zip |
Add display_gamma option for client
Diffstat (limited to 'src/light.h')
-rw-r--r-- | src/light.h | 30 |
1 files changed, 19 insertions, 11 deletions
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 |