Function TileAdd

src/map.cpp:90–104

#ifdef _DEBUG
TileIndex TileAdd(TileIndex tile, TileIndexDiff offset)
{
	int dx = offset & Map::MaxX();
	if (dx >= (int)Map::SizeX() / 2) dx -= Map::SizeX();
	int dy = (offset - dx) / (int)Map::SizeX();

	uint32_t x = TileX(tile) + dx;
	uint32_t y = TileY(tile) + dy;

	assert(x < Map::SizeX());
	assert(y < Map::SizeY());
	assert(TileXY(x, y) == Map::WrapToMap(tile + offset));

	return TileXY(x, y);
}
#endif

/**