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(svn r1396) Introduce TileIndexDiffC - the compile time version of TileIndexDiff

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tron
2005-01-06 11:39:00 +00:00
parent 790b03c707
commit f8c95a1dbe
21 changed files with 469 additions and 463 deletions
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13
map.h
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@@ -26,13 +26,22 @@ static inline uint MapSize(void) { return MapSizeX() * MapSizeY(); }
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 TileIndexDiff _tileoffs_by_dir[4];
extern const TileIndexDiffC _tileoffs_by_dir[4];
assert(dir < lengthof(_tileoffs_by_dir));
return _tileoffs_by_dir[dir];
return ToTileIndexDiff(_tileoffs_by_dir[dir]);
}
#endif