diff options
Diffstat (limited to 'src/light.h')
| -rw-r--r-- | src/light.h | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/src/light.h b/src/light.h index 984e6d7c2..30a647581 100644 --- a/src/light.h +++ b/src/light.h @@ -38,30 +38,30 @@ with this program; if not, write to the Free Software Foundation, Inc., inline u8 diminish_light(u8 light) { - if(light == 0) + if (light == 0) return 0; - if(light >= LIGHT_MAX) + if (light >= LIGHT_MAX) return LIGHT_MAX - 1; - + return light - 1; } inline u8 diminish_light(u8 light, u8 distance) { - if(distance >= light) + if (distance >= light) return 0; - return light - distance; + return light - distance; } inline u8 undiminish_light(u8 light) { // We don't know if light should undiminish from this particular 0. // Thus, keep it at 0. - if(light == 0) + if (light == 0) return 0; - if(light == LIGHT_MAX) + if (light == LIGHT_MAX) return light; - + return light + 1; } @@ -85,9 +85,9 @@ extern const u8 *light_decode_table; // 0 <= return value <= 255 inline u8 decode_light(u8 light) { - if(light > LIGHT_MAX) + if (light > LIGHT_MAX) light = LIGHT_MAX; - + return light_decode_table[light]; } @@ -97,12 +97,12 @@ inline float decode_light_f(float light_f) { s32 i = (u32)(light_f * LIGHT_MAX + 0.5); - if(i <= 0) + if (i <= 0) return (float)light_decode_table[0] / 255.0; - if(i >= LIGHT_MAX) + if (i >= LIGHT_MAX) return (float)light_decode_table[LIGHT_MAX] / 255.0; - float v1 = (float)light_decode_table[i-1] / 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; @@ -119,11 +119,10 @@ void set_light_table(float gamma); inline u8 blend_light(u32 daylight_factor, u8 lightday, u8 lightnight) { u32 c = 1000; - u32 l = ((daylight_factor * lightday + (c-daylight_factor) * lightnight))/c; - if(l > LIGHT_SUN) + u32 l = ((daylight_factor * lightday + (c - daylight_factor) * lightnight)) / c; + if (l > LIGHT_SUN) l = LIGHT_SUN; return l; } #endif - |