- void updateCamera(v3f pos, v3f dir, f32 fov)
+ void updateCamera(v3f pos, v3f dir, f32 fov, v3s16 offset)
int getBackgroundBrightness(float max_d, u32 daylight_factor,
int oldvalue, bool *sunlight_seen_result);
int getBackgroundBrightness(float max_d, u32 daylight_factor,
int oldvalue, bool *sunlight_seen_result);