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#ifndef LIGHT_HEADER
#define LIGHT_HEADER
#include "common_irrlicht.h"
// This directly sets the range of light
#define LIGHT_MAX 14
// This brightness is reserved for sunlight
#define LIGHT_SUN 15
inline u8 diminish_light(u8 light)
{
if(light == 0)
return 0;
if(light >= LIGHT_MAX)
return LIGHT_MAX - 1;
return light - 1;
}
inline u8 diminish_light(u8 light, u8 distance)
{
if(distance >= light)
return 0;
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)
return 0;
if(light == LIGHT_MAX)
return light;
return light + 1;
}
extern u8 light_decode_table[LIGHT_MAX+1];
inline u8 decode_light(u8 light)
{
if(light == LIGHT_SUN)
return light_decode_table[LIGHT_MAX];
if(light > LIGHT_MAX)
throw;
return light_decode_table[light];
}
#endif
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