src/server/biomes.h

   1 #ifndef _BIOMES_H_
   2 #define _BIOMES_H_
   3
   4 #include "perlin.h"
   5 #include "terrain.h"
   6 #include "types.h"
   7
   8 typedef enum {
   9         BIOME_MOUNTAIN,
  10         BIOME_OCEAN,
  11         BIOME_HILLS,
  12         COUNT_BIOME,
  13 } Biome;
  14
  15 typedef struct {
  16         TerrainChunk *chunk;
  17         List *changed_chunks;
  18         void *chunk_data;
  19 } BiomeArgsChunk;
  20
  21 typedef struct {
  22         v2s32 pos;
  23         f64 factor;
  24         void *row_data;
  25         void *chunk_data;
  26 } BiomeArgsRow;
  27
  28 typedef struct {
  29         v2s32 pos;
  30         f64 factor;
  31         f32 height;
  32         void *row_data;
  33         void *chunk_data;
  34 } BiomeArgsHeight;
  35
  36 typedef struct {
  37         v3s32 offset;
  38         v3s32 pos;
  39         s32 diff;
  40         f64 humidity;
  41         f64 temperature;
  42         f64 factor;
  43         TerrainChunk *chunk;
  44         List *changed_chunks;
  45         void *row_data;
  46         void *chunk_data;
  47 } BiomeArgsGenerate;
  48
  49 typedef struct {
  50         f64 probability;
  51         SeedOffset offset;
  52         f64 threshold;
  53         bool snow;
  54         s32 (*height)(BiomeArgsHeight *args);
  55         NodeType (*generate)(BiomeArgsGenerate *args);
  56         size_t chunk_data_size;
  57         void (*before_chunk)(BiomeArgsChunk *args);
  58         void (*after_chunk)(BiomeArgsChunk *args);
  59         size_t row_data_size;
  60         void (*before_row)(BiomeArgsRow *args);
  61         void (*after_row)(BiomeArgsRow *args);
  62 } BiomeDef;
  63
  64 extern BiomeDef biomes[];
  65
  66 Biome get_biome(v2s32 pos, f64 *factor);
  67 NodeType ocean_get_node_at(v3s32 pos, s32 diff, void *_row_data);
  68
  69 #endif // _BIOMES_H_