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#ifndef MAP_H
#define MAP_H
#include "screen.h"
/**
* @page TileMap TileMap
* @brief The map consists of tiles to create the world.
*
* 16x16 tiles
* 8x8 subTiles
*
* tileIndex index into the tile set
* 0 to 0x800, special tiles at 0x4000 to 0x4096
* tilePos index into the current map
* tileType
* collisionData
*
*/
/**
* @brief Layer of the TileMap.
* @ingroup TileMap
*/
typedef struct {
/*0x0000*/ BgSettings* bgSettings;
/**
* tileIndex for each tile on the current layer.
*/
/*0x0004*/ u16 mapData[0x40 * 0x40];
/**
* Collision data for each tile on the current layer.
* @see CollisionData
*/
/*0x2004*/ u8 collisionData[0x40 * 0x40];
/**
* Copy of the map data.
* @see mapData
*/
/*0x3004*/ u16 mapDataOriginal[0x40 * 0x40];
/**
* Maps from the tileIndex to the tileType.
* @see TileType
*/
/*0x5004*/ u16 tileTypes[0x800];
/**
* Maps from a tileType to a tileIndex. Inverse of @see tileTypes.
* @see TileType
*/
/*0x6004*/ u16 tileIndices[0x800];
/**
* Maps from a tile index to the four sub tiles (with attributes) it consists of.
* @see https://www.coranac.com/tonc/text/regbg.htm#sec-map
*/
/*0x7004*/ u16 subTiles[0x800 * 4];
/**
* Some sort of special behavior for tiles? Falling into holes or jumping off walls does not work when this is all zero.
* @see ActTile
*/
/*0xb004*/ u8 actTiles[0x40*0x40];
} MapLayer;
extern MapLayer gMapTop;
extern MapLayer gMapBottom;
extern MapLayer* GetLayerByIndex(u32 layer);
/*
Definition where some map data is found and where it should be copied to.
Defined using the map_data asm macro, e.g. in map_headers.s
*/
typedef struct {
u32 src;
void* dest;
u32 size;
} MapDataDefinition;
// There is another map data definition following.
#define MAP_MULTIPLE 0x80000000
// The src is compressed.
#define MAP_COMPRESSED 0x80000000
typedef enum {
LAYER_BOTTOM = 1,
LAYER_TOP = 2,
} LayerIndex;
#endif // MAP_H
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