Function GetTileDesc_TunnelBridge

src/tunnelbridge_cmd.cpp:1765–1828

}

static void GetTileDesc_TunnelBridge(TileIndex tile, TileDesc &td)
{
	TransportType tt = GetTunnelBridgeTransportType(tile);

	if (IsTunnel(tile)) {
		td.str = (tt == TRANSPORT_RAIL) ? STR_LAI_TUNNEL_DESCRIPTION_RAILROAD : STR_LAI_TUNNEL_DESCRIPTION_ROAD;
	} else { // IsBridge(tile)
		td.str = (tt == TRANSPORT_WATER) ? STR_LAI_BRIDGE_DESCRIPTION_AQUEDUCT : GetBridgeSpec(GetBridgeType(tile))->transport_name[tt];
	}
	td.owner[0] = GetTileOwner(tile);

	Owner road_owner = INVALID_OWNER;
	Owner tram_owner = INVALID_OWNER;
	RoadType road_rt = (tt == TRANSPORT_ROAD) ? GetRoadTypeRoad(tile) : INVALID_ROADTYPE;
	RoadType tram_rt = (tt == TRANSPORT_ROAD) ? GetRoadTypeTram(tile) : INVALID_ROADTYPE;
	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);
	}

	/* Is there a mix of owners? */
	if ((tram_owner != INVALID_OWNER && tram_owner != td.owner[0]) ||
			(road_owner != INVALID_OWNER && road_owner != td.owner[0])) {
		uint i = 1;
		if (road_owner != INVALID_OWNER) {
			td.owner_type[i] = STR_LAND_AREA_INFORMATION_ROAD_OWNER;
			td.owner[i] = road_owner;
			i++;
		}
		if (tram_owner != INVALID_OWNER) {
			td.owner_type[i] = STR_LAND_AREA_INFORMATION_TRAM_OWNER;
			td.owner[i] = tram_owner;
		}
	}

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

		if (!IsTunnel(tile)) {
			uint16_t spd = GetBridgeSpec(GetBridgeType(tile))->speed;
			/* rail speed special-cases 0 as unlimited, hides display of limit etc. */
			if (spd == UINT16_MAX) spd = 0;
			if (td.rail_speed == 0 || spd < td.rail_speed) {
				td.rail_speed = spd;
			}
		}
	} else if (tt == TRANSPORT_ROAD && !IsTunnel(tile)) {
		uint16_t spd = GetBridgeSpec(GetBridgeType(tile))->speed;