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Location: cpp/openttd-patchpack/source/map.h - annotation
r934:c6867fa83617
1.6 KiB
text/x-c
(svn r1422) Fixed linux compiling, that was broken in r1420
r679:3a7b08cc8504 r679:3a7b08cc8504 r679:3a7b08cc8504 r927:dedf35f80507 r927:dedf35f80507 r679:3a7b08cc8504 r926:fcf36609eb94 r926:fcf36609eb94 r817:5620a6b29ae5 r817:5620a6b29ae5 r817:5620a6b29ae5 r817:5620a6b29ae5 r817:5620a6b29ae5 r817:5620a6b29ae5 r817:5620a6b29ae5 r679:3a7b08cc8504 r689:c33ae44e7bfc r689:c33ae44e7bfc r689:c33ae44e7bfc r689:c33ae44e7bfc r689:c33ae44e7bfc r689:c33ae44e7bfc r689:c33ae44e7bfc r689:c33ae44e7bfc r689:c33ae44e7bfc r689:c33ae44e7bfc r689:c33ae44e7bfc r689:c33ae44e7bfc r926:fcf36609eb94 r926:fcf36609eb94 r926:fcf36609eb94 r926:fcf36609eb94 r926:fcf36609eb94 r926:fcf36609eb94 r926:fcf36609eb94 r926:fcf36609eb94 r926:fcf36609eb94 r926:fcf36609eb94 r926:fcf36609eb94 r926:fcf36609eb94 r926:fcf36609eb94 r926:fcf36609eb94 r900:6c526ed4f41b r900:6c526ed4f41b r909:898755bd4512 r909:898755bd4512 r909:898755bd4512 r909:898755bd4512 r909:898755bd4512 r909:898755bd4512 r909:898755bd4512 r909:898755bd4512 r909:898755bd4512 r900:6c526ed4f41b r900:6c526ed4f41b r900:6c526ed4f41b r909:898755bd4512 r900:6c526ed4f41b r900:6c526ed4f41b r909:898755bd4512 r900:6c526ed4f41b r900:6c526ed4f41b r679:3a7b08cc8504 | #ifndef MAP_H
#define MAP_H
#define TILE_FROM_XY(x,y) (int)((((y) >> 4) << MapLogX()) + ((x) >> 4))
#define TILE_XY(x,y) (int)(((y) << MapLogX()) + (x))
#define TILE_MASK(x) (int)((x) & ((1 << (MapLogX() + MapLogY())) - 1))
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[];
// 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(); }
typedef uint16 TileIndex;
static inline uint TileX(TileIndex tile)
{
return tile & MapMaxX();
}
static inline uint TileY(TileIndex tile)
{
return tile >> MapLogX();
}
typedef int16 TileIndexDiff;
typedef struct TileIndexDiffC {
int16 x;
int16 y;
} TileIndexDiffC;
static inline TileIndexDiff ToTileIndexDiff(TileIndexDiffC tidc)
{
return (tidc.y << MapLogX()) + tidc.x;
}
static inline TileIndexDiff TileOffsByDir(uint dir)
{
extern const TileIndexDiffC _tileoffs_by_dir[4];
assert(dir < lengthof(_tileoffs_by_dir));
return ToTileIndexDiff(_tileoffs_by_dir[dir]);
}
#endif
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