65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
#ifndef LIGHTING_LIGHTMAP_H_
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#define LIGHTING_LIGHTMAP_H_
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#include "../voxels/Chunk.h"
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class Lightmap {
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public:
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unsigned short* map;
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Lightmap();
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~Lightmap();
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void set(const Lightmap* lightmap);
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inline unsigned short get(int x, int y, int z){
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return (map[y*CHUNK_D*CHUNK_W+z*CHUNK_W+x]);
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}
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inline unsigned char get(int x, int y, int z, int channel){
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return (map[y*CHUNK_D*CHUNK_W+z*CHUNK_W+x] >> (channel << 2)) & 0xF;
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}
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inline unsigned char getR(int x, int y, int z){
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return map[y*CHUNK_D*CHUNK_W+z*CHUNK_W+x] & 0xF;
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}
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inline unsigned char getG(int x, int y, int z){
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return (map[y*CHUNK_D*CHUNK_W+z*CHUNK_W+x] >> 4) & 0xF;
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}
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inline unsigned char getB(int x, int y, int z){
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return (map[y*CHUNK_D*CHUNK_W+z*CHUNK_W+x] >> 8) & 0xF;
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}
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inline unsigned char getS(int x, int y, int z){
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return (map[y*CHUNK_D*CHUNK_W+z*CHUNK_W+x] >> 12) & 0xF;
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}
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inline void setR(int x, int y, int z, int value){
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const int index = y*CHUNK_D*CHUNK_W+z*CHUNK_W+x;
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map[index] = (map[index] & 0xFFF0) | value;
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}
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inline void setG(int x, int y, int z, int value){
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const int index = y*CHUNK_D*CHUNK_W+z*CHUNK_W+x;
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map[index] = (map[index] & 0xFF0F) | (value << 4);
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}
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inline void setB(int x, int y, int z, int value){
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const int index = y*CHUNK_D*CHUNK_W+z*CHUNK_W+x;
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map[index] = (map[index] & 0xF0FF) | (value << 8);
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}
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inline void setS(int x, int y, int z, int value){
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const int index = y*CHUNK_D*CHUNK_W+z*CHUNK_W+x;
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map[index] = (map[index] & 0x0FFF) | (value << 12);
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}
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inline void set(int x, int y, int z, int channel, int value){
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const int index = y*CHUNK_D*CHUNK_W+z*CHUNK_W+x;
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map[index] = (map[index] & (0xFFFF & (~(0xF << (channel*4))))) | (value << (channel << 2));
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}
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};
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#endif /* LIGHTING_LIGHTMAP_H_ */
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