2004-12-15 22:18:54 +00:00
|
|
|
#ifndef MAP_H
|
|
|
|
#define MAP_H
|
|
|
|
|
2005-01-07 17:40:23 +00:00
|
|
|
#define TILE_FROM_XY(x,y) (int)((((y) >> 4) << MapLogX()) + ((x) >> 4))
|
|
|
|
#define TILE_XY(x,y) (int)(((y) << MapLogX()) + (x))
|
2004-12-15 22:18:54 +00:00
|
|
|
|
2005-01-07 17:02:43 +00:00
|
|
|
#define TILE_MASK(x) (int)((x) & ((1 << (MapLogX() + MapLogY())) - 1))
|
|
|
|
|
2004-12-28 11:51:31 +00:00
|
|
|
extern byte _map_type_and_height[];
|
|
|
|
extern byte _map5[];
|
|
|
|
extern byte _map3_lo[];
|
|
|
|
extern byte _map3_hi[];
|
|
|
|
extern byte _map_owner[];
|
|
|
|
extern uint16 _map2[];
|
|
|
|
extern byte _map_extra_bits[];
|
2004-12-15 22:18:54 +00:00
|
|
|
|
2004-12-16 12:30:13 +00:00
|
|
|
// binary logarithm of the map size, try to avoid using this one
|
|
|
|
static inline uint MapLogX(void) { extern uint _map_log_x; return _map_log_x; }
|
|
|
|
static inline uint MapLogY(void) { extern uint _map_log_y; return _map_log_y; }
|
|
|
|
/* The size of the map */
|
|
|
|
static inline uint MapSizeX(void) { return 1 << MapLogX(); }
|
|
|
|
static inline uint MapSizeY(void) { return 1 << MapLogY(); }
|
|
|
|
/* The maximum coordinates */
|
|
|
|
static inline uint MapMaxX(void) { return MapSizeX() - 1; }
|
|
|
|
static inline uint MapMaxY(void) { return MapSizeY() - 1; }
|
|
|
|
/* The number of tiles in the map */
|
|
|
|
static inline uint MapSize(void) { return MapSizeX() * MapSizeY(); }
|
|
|
|
|
2005-01-07 17:02:43 +00:00
|
|
|
|
|
|
|
typedef uint16 TileIndex;
|
|
|
|
|
|
|
|
static inline uint TileX(TileIndex tile)
|
|
|
|
{
|
|
|
|
return tile & MapMaxX();
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline uint TileY(TileIndex tile)
|
|
|
|
{
|
|
|
|
return tile >> MapLogX();
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2005-01-05 13:32:03 +00:00
|
|
|
typedef int16 TileIndexDiff;
|
|
|
|
|
2005-01-06 11:39:00 +00:00
|
|
|
typedef struct TileIndexDiffC {
|
|
|
|
int16 x;
|
|
|
|
int16 y;
|
|
|
|
} TileIndexDiffC;
|
|
|
|
|
|
|
|
static inline TileIndexDiff ToTileIndexDiff(TileIndexDiffC tidc)
|
|
|
|
{
|
|
|
|
return (tidc.y << MapLogX()) + tidc.x;
|
|
|
|
}
|
2005-01-05 13:32:03 +00:00
|
|
|
|
2005-01-09 17:55:11 +00:00
|
|
|
|
|
|
|
#ifndef _DEBUG
|
|
|
|
#define TILE_ADD(x,y) ((x) + (y))
|
|
|
|
#else
|
|
|
|
extern TileIndex TileAdd(TileIndex tile, TileIndexDiff add,
|
|
|
|
const char *exp, const char *file, int line);
|
|
|
|
#define TILE_ADD(x, y) (TileAdd((x), (y), #x " + " #y, __FILE__, __LINE__))
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#define TILE_ADDXY(tile, x, y) TILE_ADD(tile, TILE_XY(x, y))
|
|
|
|
|
|
|
|
|
2005-01-05 13:32:03 +00:00
|
|
|
static inline TileIndexDiff TileOffsByDir(uint dir)
|
|
|
|
{
|
2005-01-06 11:39:00 +00:00
|
|
|
extern const TileIndexDiffC _tileoffs_by_dir[4];
|
2005-01-05 13:32:03 +00:00
|
|
|
|
|
|
|
assert(dir < lengthof(_tileoffs_by_dir));
|
2005-01-06 11:39:00 +00:00
|
|
|
return ToTileIndexDiff(_tileoffs_by_dir[dir]);
|
2005-01-05 13:32:03 +00:00
|
|
|
}
|
|
|
|
|
2004-12-15 22:18:54 +00:00
|
|
|
#endif
|