stb/tests/caveview/caveview.h

   1 #ifndef INCLUDE_CAVEVIEW_H
   2 #define INCLUDE_CAVEVIEW_H
   3
   4 #include "stb.h"
   5
   6 #include "stb_voxel_render.h"
   7
   8 typedef struct
   9 {
  10    int cx,cy;
  11
  12    stbvox_mesh_maker mm;
  13
  14    uint8 *build_buffer;
  15    uint8 *face_buffer;
  16
  17    int num_quads;
  18    float transform[3][3];
  19    float bounds[2][3];
  20
  21    uint8 sv_blocktype[34][34][18];
  22    uint8 sv_lighting [34][34][18];
  23 } raw_mesh;
  24
  25 // a 3D checkerboard of empty,solid would be: 32x32x255x6/2 ~= 800000
  26 // an all-leaf qchunk would be: 32 x 32 x 255 x 6 ~= 1,600,000
  27
  28 #define BUILD_QUAD_MAX     400000
  29 #define BUILD_BUFFER_SIZE  (4*4*BUILD_QUAD_MAX) // 4 bytes per vertex, 4 vertices per quad
  30 #define FACE_BUFFER_SIZE   (  4*BUILD_QUAD_MAX) // 4 bytes per quad
  31
  32
  33 extern void mesh_init(void);
  34 extern void render_init(void);
  35 extern void world_init(void);
  36 extern void ods(char *fmt, ...); // output debug string
  37 extern void reset_cache_size(int size);
  38
  39
  40 extern void render_caves(float pos[3]);
  41
  42
  43 #include "cave_parse.h"  // fast_chunk
  44
  45 extern fast_chunk *get_converted_fastchunk(int chunk_x, int chunk_y);
  46 extern void build_chunk(int chunk_x, int chunk_y, fast_chunk *fc_table[4][4], raw_mesh *rm);
  47 extern void reset_cache_size(int size);
  48 extern void deref_fastchunk(fast_chunk *fc);
  49
  50 #endif