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#ifndef STATES_WORLDGEN_H
#define STATES_WORLDGEN_H
#ifdef __cplusplus
extern "C" {
#endif
#include <daw/types.h>
// amounts to 32768 blocks per chunk
#define CHUNK_WIDTH 16
#define CHUNK_LENGTH 16
#define CHUNK_HEIGHT 128
#define CHUNK_SIZE (CHUNK_WIDTH * CHUNK_LENGTH * CHUNK_HEIGHT)
// World size is defined in terms of number of chunks. Chunks are not stacked
// vertically
#define WORLD_WIDTH 4
#define WORLD_LENGTH 4
#define WORLD_SIZE (WORLD_LENGTH * WORLD_WIDTH)
// first 4 bits for material type, 16 types in total
#define BLOCK_none 0
#define BLOCK_grass 1
#define BLOCK_rock 2
// next 4 bits for shape type
#define SHAPE_none (0 << 4)
#define SHAPE_slope_north (1 << 4)
#define SHAPE_slope_east (2 << 4)
#define SHAPE_slope_south (3 << 4)
#define SHAPE_slope_west (4 << 4)
void gen_terrain(u8 *world);
#ifdef __cplusplus
}
#endif
#endif
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