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Location: cpp/openttd-patchpack/source/map.h
r1099:88d33d74ab88
2.7 KiB
text/x-c
(svn r1600) Mac: applied the new icon to the mac binary file
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 | #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) ((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;
}
#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))
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]);
}
static inline uint TileHeight(TileIndex tile)
{
assert(tile < MapSize());
return _map_type_and_height[tile] & 0xf;
}
static inline void SetTileHeight(TileIndex tile, uint height)
{
assert(tile < MapSize());
assert(height < 16);
_map_type_and_height[tile] &= ~0x0F;
_map_type_and_height[tile] |= height;
}
static inline uint TilePixelHeight(TileIndex tile)
{
return TileHeight(tile) * 8;
}
static inline int TileType(TileIndex tile)
{
assert(tile < MapSize());
return _map_type_and_height[tile] >> 4;
}
static inline void SetTileType(TileIndex tile, uint type)
{
assert(tile < MapSize());
_map_type_and_height[tile] &= ~0xF0;
_map_type_and_height[tile] |= type << 4;
}
static inline bool IsTileType(TileIndex tile, int type)
{
return TileType(tile) == type;
}
#endif
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