Function TileIndexDiffCByDir

src/map_func.h:510–516

* Returns the TileIndexDiffC offset from a Direction. * * @param dir The given direction * @return The offset as TileIndexDiffC value */

 * @return The offset as TileIndexDiffC value
 */
inline TileIndexDiffC TileIndexDiffCByDir(Direction dir)
{
	extern const TileIndexDiffC _tileoffs_by_dir[DIR_END];

	assert(IsValidDirection(dir));
	return _tileoffs_by_dir[dir];
}

/**
 * Add a TileIndexDiffC to a TileIndex and returns the new one.