Function GetFoundation_Town

src/town_cmd.cpp:315–331

* Get the foundation for a house. This is a tile callback routine. * @param tile The tile to find a foundation for. * @param tileh The slope of the tile. */

 * @param tileh The slope of the tile.
 */
static Foundation GetFoundation_Town(TileIndex tile, Slope tileh)
{
	HouseID hid = GetHouseType(tile);

	/* For NewGRF house tiles we might not be drawing a foundation. We need to
	 * account for this, as other structures should
	 * draw the wall of the foundation in this case.
	 */
	if (hid >= NEW_HOUSE_OFFSET) {
		const HouseSpec *hs = HouseSpec::Get(hid);
		if (hs->callback_mask.Test(HouseCallbackMask::DrawFoundations)) {
			uint32_t callback_res = GetHouseCallback(CBID_HOUSE_DRAW_FOUNDATIONS, 0, 0, hid, Town::GetByTile(tile), tile);
			if (callback_res != CALLBACK_FAILED && !ConvertBooleanCallback(hs->grf_prop.grffile, CBID_HOUSE_DRAW_FOUNDATIONS, callback_res)) return FOUNDATION_NONE;
		}
	}
	return FlatteningFoundation(tileh);
}

/**
 * Animate a tile for a town.