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@@ -804,11 +804,13 @@ static CommandCost CheckFlatLandRailStation(TileArea tile_area, DoCommandFlag fl
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* @param flags Operation to perform.
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* @param invalid_dirs Prohibited directions (set of DiagDirections).
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* @param is_drive_through True if trying to build a drive-through station.
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* @param is_truck_stop True when building a truck stop, false otherwise.
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* @param axis Axis of a drive-through road stop.
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* @param station StationID to be queried and returned if available.
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* @param rts Road types to build. Bits already built at the tile will be removed.
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* @return The cost in case of success, or an error code if it failed.
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*/
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static CommandCost CheckFlatLandRoadStop(TileArea tile_area, DoCommandFlag flags, uint invalid_dirs, bool is_drive_through, Axis axis, RoadTypes &rts)
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static CommandCost CheckFlatLandRoadStop(TileArea tile_area, DoCommandFlag flags, uint invalid_dirs, bool is_drive_through, bool is_truck_stop, Axis axis, StationID *station, RoadTypes &rts)
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{
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CommandCost cost(EXPENSES_CONSTRUCTION);
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int allowed_z = -1;
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@@ -818,43 +820,64 @@ static CommandCost CheckFlatLandRoadStop(TileArea tile_area, DoCommandFlag flags
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if (ret.Failed()) return ret;
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cost.AddCost(ret);
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bool build_over_road = is_drive_through && IsNormalRoadTile(cur_tile);
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/* Road bits in the wrong direction. */
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if (build_over_road && (GetAllRoadBits(cur_tile) & (axis == AXIS_X ? ROAD_Y : ROAD_X)) != 0) return_cmd_error(STR_ERROR_DRIVE_THROUGH_DIRECTION);
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RoadTypes cur_rts = IsNormalRoadTile(cur_tile) ? GetRoadTypes(cur_tile) : ROADTYPES_NONE;
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uint num_roadbits = 0;
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if (build_over_road) {
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/* There is a road, check if we can build road+tram stop over it. */
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if (HasBit(cur_rts, ROADTYPE_ROAD)) {
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Owner road_owner = GetRoadOwner(cur_tile, ROADTYPE_ROAD);
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if (road_owner == OWNER_TOWN) {
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if (!_settings_game.construction.road_stop_on_town_road) return_cmd_error(STR_ERROR_DRIVE_THROUGH_ON_TOWN_ROAD);
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} else if (!_settings_game.construction.road_stop_on_competitor_road && road_owner != OWNER_NONE && !CheckOwnership(road_owner)) {
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return CMD_ERROR;
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/* If station is set, then we have special handling to allow building on top of already existing stations.
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* Station points to INVALID_STATION if we can build on any station.
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* Or it points to a station if we're only allowed to build on exactly that station. */
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if (station != NULL && IsTileType(cur_tile, MP_STATION)) {
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if (!IsRoadStop(cur_tile)) {
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return ClearTile_Station(cur_tile, DC_AUTO); // Get error message.
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} else {
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if (is_truck_stop != IsTruckStop(cur_tile) ||
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is_drive_through != IsDriveThroughStopTile(cur_tile) ||
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HasBit(rts, ROADTYPE_TRAM) != HasBit(GetRoadTypes(cur_tile), ROADTYPE_TRAM)) {
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return ClearTile_Station(cur_tile, DC_AUTO); // Get error message.
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}
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num_roadbits += CountBits(GetRoadBits(cur_tile, ROADTYPE_ROAD));
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}
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/* There is a tram, check if we can build road+tram stop over it. */
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if (HasBit(cur_rts, ROADTYPE_TRAM)) {
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Owner tram_owner = GetRoadOwner(cur_tile, ROADTYPE_TRAM);
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if (!_settings_game.construction.road_stop_on_competitor_road && tram_owner != OWNER_NONE && !CheckOwnership(tram_owner)) {
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return CMD_ERROR;
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StationID st = GetStationIndex(cur_tile);
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if (*station == INVALID_STATION) {
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*station = st;
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} else if (*station != st) {
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return_cmd_error(STR_ERROR_ADJOINS_MORE_THAN_ONE_EXISTING);
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}
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num_roadbits += CountBits(GetRoadBits(cur_tile, ROADTYPE_TRAM));
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}
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/* Do not remove roadtypes! */
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rts |= cur_rts;
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} else {
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ret = DoCommand(cur_tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
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if (ret.Failed()) return ret;
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cost.AddCost(ret);
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}
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bool build_over_road = is_drive_through && IsNormalRoadTile(cur_tile);
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/* Road bits in the wrong direction. */
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if (build_over_road && (GetAllRoadBits(cur_tile) & (axis == AXIS_X ? ROAD_Y : ROAD_X)) != 0) return_cmd_error(STR_ERROR_DRIVE_THROUGH_DIRECTION);
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uint roadbits_to_build = CountBits(rts) * 2 - num_roadbits;
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cost.AddCost(_price[PR_BUILD_ROAD] * roadbits_to_build);
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RoadTypes cur_rts = IsNormalRoadTile(cur_tile) ? GetRoadTypes(cur_tile) : ROADTYPES_NONE;
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uint num_roadbits = 0;
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if (build_over_road) {
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/* There is a road, check if we can build road+tram stop over it. */
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if (HasBit(cur_rts, ROADTYPE_ROAD)) {
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Owner road_owner = GetRoadOwner(cur_tile, ROADTYPE_ROAD);
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if (road_owner == OWNER_TOWN) {
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if (!_settings_game.construction.road_stop_on_town_road) return_cmd_error(STR_ERROR_DRIVE_THROUGH_ON_TOWN_ROAD);
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} else if (!_settings_game.construction.road_stop_on_competitor_road && road_owner != OWNER_NONE && !CheckOwnership(road_owner)) {
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return CMD_ERROR;
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}
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num_roadbits += CountBits(GetRoadBits(cur_tile, ROADTYPE_ROAD));
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}
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/* There is a tram, check if we can build road+tram stop over it. */
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if (HasBit(cur_rts, ROADTYPE_TRAM)) {
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Owner tram_owner = GetRoadOwner(cur_tile, ROADTYPE_TRAM);
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if (!_settings_game.construction.road_stop_on_competitor_road && tram_owner != OWNER_NONE && !CheckOwnership(tram_owner)) {
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return CMD_ERROR;
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}
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num_roadbits += CountBits(GetRoadBits(cur_tile, ROADTYPE_TRAM));
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}
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/* Do not remove roadtypes! */
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rts |= cur_rts;
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} else {
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ret = DoCommand(cur_tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
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if (ret.Failed()) return ret;
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cost.AddCost(ret);
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}
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uint roadbits_to_build = CountBits(rts) * 2 - num_roadbits;
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cost.AddCost(_price[PR_BUILD_ROAD] * roadbits_to_build);
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}
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}
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return cost;
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@@ -1595,6 +1618,22 @@ static RoadStop **FindRoadStopSpot(bool truck_station, Station *st)
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}
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}
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static CommandCost RemoveRoadStop(TileIndex tile, DoCommandFlag flags);
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/**
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* Find a nearby station that joins this road stop.
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* @param existing_stop an existing road stop we build over
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* @param station_to_join the station to join to
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* @param adjacent whether adjacent stations are allowed
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* @param ta the area of the newly build station
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* @param st 'return' pointer for the found station
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* @return command cost with the error or 'okay'
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*/
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static CommandCost FindJoiningRoadStop(StationID existing_stop, StationID station_to_join, bool adjacent, TileArea ta, Station **st)
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{
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return FindJoiningBaseStation<Station, STR_ERROR_MUST_REMOVE_ROAD_STOP_FIRST>(existing_stop, station_to_join, adjacent, ta, st);
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}
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/** Build a bus or truck stop.
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* @param tile Northernmost tile of the stop.
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* @param flags Operation to perform.
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@@ -1651,12 +1690,13 @@ CommandCost CmdBuildRoadStop(TileIndex tile, DoCommandFlag flags, uint32 p1, uin
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/* Total road stop cost. */
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CommandCost cost(EXPENSES_CONSTRUCTION, roadstop_area.w * roadstop_area.h * _price[type ? PR_BUILD_STATION_TRUCK : PR_BUILD_STATION_BUS]);
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CommandCost ret = CheckFlatLandRoadStop(roadstop_area, flags, is_drive_through ? 5 << ddir : 1 << ddir, is_drive_through, DiagDirToAxis(ddir), rts);
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StationID est = INVALID_STATION;
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CommandCost ret = CheckFlatLandRoadStop(roadstop_area, flags, is_drive_through ? 5 << ddir : 1 << ddir, is_drive_through, type, DiagDirToAxis(ddir), &est, rts);
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if (ret.Failed()) return ret;
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cost.AddCost(ret);
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Station *st = NULL;
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ret = FindJoiningStation(INVALID_STATION, station_to_join, HasBit(p2, 5), roadstop_area, &st);
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ret = FindJoiningRoadStop(est, station_to_join, HasBit(p2, 5), roadstop_area, &st);
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if (ret.Failed()) return ret;
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/* Find a deleted station close to us */
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@@ -1690,6 +1730,10 @@ CommandCost CmdBuildRoadStop(TileIndex tile, DoCommandFlag flags, uint32 p1, uin
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if (flags & DC_EXEC) {
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/* Check every tile in the area. */
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TILE_AREA_LOOP(cur_tile, roadstop_area) {
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if (IsTileType(cur_tile, MP_STATION) && IsRoadStop(cur_tile)) {
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RemoveRoadStop(cur_tile, flags);
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}
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RoadStop *road_stop = new RoadStop(cur_tile);
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/* Insert into linked list of RoadStops. */
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RoadStop **currstop = FindRoadStopSpot(type, st);
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