Function GetTileDesc_Road

src/road_cmd.cpp:2212–2276

};

static void GetTileDesc_Road(TileIndex tile, TileDesc &td)
{
	Owner rail_owner = INVALID_OWNER;
	Owner road_owner = INVALID_OWNER;
	Owner tram_owner = INVALID_OWNER;

	RoadType road_rt = GetRoadTypeRoad(tile);
	RoadType tram_rt = GetRoadTypeTram(tile);
	if (road_rt != INVALID_ROADTYPE) {
		const RoadTypeInfo *rti = GetRoadTypeInfo(road_rt);
		td.roadtype = rti->strings.name;
		td.road_speed = rti->max_speed / 2;
		road_owner = GetRoadOwner(tile, RTT_ROAD);
	}
	if (tram_rt != INVALID_ROADTYPE) {
		const RoadTypeInfo *rti = GetRoadTypeInfo(tram_rt);
		td.tramtype = rti->strings.name;
		td.tram_speed = rti->max_speed / 2;
		tram_owner = GetRoadOwner(tile, RTT_TRAM);
	}

	switch (GetRoadTileType(tile)) {
		case RoadTileType::Crossing: {
			td.str = STR_LAI_ROAD_DESCRIPTION_ROAD_RAIL_LEVEL_CROSSING;
			rail_owner = GetTileOwner(tile);

			const RailTypeInfo *rti = GetRailTypeInfo(GetRailType(tile));
			td.railtype = rti->strings.name;
			td.rail_speed = rti->max_speed;

			break;
		}

		case RoadTileType::Depot:
			td.str = STR_LAI_ROAD_DESCRIPTION_ROAD_VEHICLE_DEPOT;
			td.build_date = Depot::GetByTile(tile)->build_date;
			break;

		default: {
			td.str = (road_rt != INVALID_ROADTYPE ? _road_tile_strings[to_underlying(GetRoadside(tile))] : STR_LAI_ROAD_DESCRIPTION_TRAMWAY);
			break;
		}
	}

	/* Now we have to discover, if the tile has only one owner or many:
	 *   - Find a first_owner of the tile. (Currently road or tram must be present, but this will break when the third type becomes available)
	 *   - Compare the found owner with the other owners, and test if they differ.
	 * Note: If road exists it will be the first_owner.
	 */
	Owner first_owner = (road_owner == INVALID_OWNER ? tram_owner : road_owner);
	bool mixed_owners = (tram_owner != INVALID_OWNER && tram_owner != first_owner) || (rail_owner != INVALID_OWNER && rail_owner != first_owner);

	if (mixed_owners) {
		/* Multiple owners */
		td.owner_type[0] = (rail_owner == INVALID_OWNER ? STR_NULL : STR_LAND_AREA_INFORMATION_RAIL_OWNER);
		td.owner[0] = rail_owner;
		td.owner_type[1] = (road_owner == INVALID_OWNER ? STR_NULL : STR_LAND_AREA_INFORMATION_ROAD_OWNER);
		td.owner[1] = road_owner;