stb/tests/caveview/cave_parse.h

   1 #ifndef INCLUDE_CAVE_PARSE_H
   2 #define INCLUDE_CAVE_PARSE_H
   3
   4 typedef struct
   5 {
   6    unsigned char block;
   7    unsigned char data;
   8    unsigned char light:4;
   9    unsigned char skylight:4;
  10 } raw_block;
  11
  12 // this is the old fully-decoded chunk
  13 typedef struct
  14 {
  15    int xpos, zpos, max_y;
  16    int height[16][16];
  17    raw_block rb[16][16][256]; // [z][x][y] which becomes [y][x][z] in stb
  18 } chunk;
  19
  20 chunk *get_decoded_chunk(int chunk_x, int chunk_z);
  21
  22 #define NUM_SEGMENTS  16
  23 typedef struct
  24 {
  25    int max_y, xpos, zpos;
  26
  27    unsigned char *blockdata[NUM_SEGMENTS];
  28    unsigned char *data[NUM_SEGMENTS];
  29    unsigned char *skylight[NUM_SEGMENTS];
  30    unsigned char *light[NUM_SEGMENTS];
  31
  32    void *pointer_to_free;
  33
  34    int refcount; // this allows multi-threaded building without wrapping in ANOTHER struct
  35 } fast_chunk;
  36
  37 fast_chunk *get_decoded_fastchunk(int chunk_x, int chunk_z); // cache, never call free()
  38
  39 fast_chunk *get_decoded_fastchunk_uncached(int chunk_x, int chunk_z);
  40
  41 #endif