#ifndef HANDMADE_TILE_H_SENTRY
#define HANDMADE_TILE_H_SENTRY

#include "handmade_math.h"

struct tile_map_difference {
    struct v2 dXY;
    float dZ;
};

struct tile_map_position {
    unsigned int AbsTileX;
    unsigned int AbsTileY;
    unsigned int AbsTileZ;

    /* NOTE: X and Y relative to tile center. */
    struct v2 Offset;
};

struct tile_chunk_position {
    unsigned int TileChunkX;
    unsigned int TileChunkY;
    unsigned int TileChunkZ;

    unsigned int RelTileX;
    unsigned int RelTileY;
};

struct tile_chunk {
    unsigned int *Tiles;
};

struct tile_map {
    unsigned int ChunkShift;
    unsigned int ChunkMask;
    unsigned int ChunkDim;

    float TileSideInMeters;

    /* TODO: Real sparseness. */
    unsigned int TileChunkCountX;
    unsigned int TileChunkCountY;
    unsigned int TileChunkCountZ;

    struct tile_chunk *TileChunks;
};

#endif