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@ -20,6 +20,7 @@
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#include "widgets/dropdown_func.h"
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#include "newgrf_cargo.h"
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#include "station_base.h"
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#include "waypoint_base.h"
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#include "tilehighlight_func.h"
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#include "core/smallmap_type.hpp"
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#include "company_base.h"
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@ -1081,7 +1082,9 @@ static SmallVector<StationID, 8> _stations_nearby_list;
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* station spread.
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* @param tile Tile just being checked
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* @param user_data Pointer to TileArea context
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* @tparam T the type of station to look for
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*/
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template <class T>
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static bool AddNearbyStation(TileIndex tile, void *user_data)
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{
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TileArea *ctx = (TileArea *)user_data;
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@ -1102,9 +1105,9 @@ static bool AddNearbyStation(TileIndex tile, void *user_data)
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StationID sid = GetStationIndex(tile);
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/* This station is (likely) a waypoint */
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if (!Station::IsValidID(sid)) return false;
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if (!T::IsValidID(sid)) return false;
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Station *st = Station::Get(sid);
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T *st = T::Get(sid);
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if (st->owner != _local_company || _stations_nearby_list.Contains(sid)) return false;
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if (st->rect.BeforeAddRect(ctx->tile, ctx->w, ctx->h, StationRect::ADD_TEST)) {
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@ -1123,8 +1126,10 @@ static bool AddNearbyStation(TileIndex tile, void *user_data)
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* @param h Height of the to-be-built station
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* @param distant_join Search for adjacent stations (false) or stations fully
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* within station spread
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* @tparam T the type of station to look for
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**/
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static const Station *FindStationsNearby(TileArea ta, bool distant_join)
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template <class T>
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static const T *FindStationsNearby(TileArea ta, bool distant_join)
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{
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TileArea ctx = ta;
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@ -1133,13 +1138,13 @@ static const Station *FindStationsNearby(TileArea ta, bool distant_join)
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/* Check the inside, to return, if we sit on another station */
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TILE_LOOP(t, ta.w, ta.h, ta.tile) {
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if (t < MapSize() && IsTileType(t, MP_STATION) && Station::IsValidID(GetStationIndex(t))) return Station::GetByTile(t);
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if (t < MapSize() && IsTileType(t, MP_STATION) && T::IsValidID(GetStationIndex(t))) return T::GetByTile(t);
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}
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/* Look for deleted stations */
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const BaseStation *st;
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FOR_ALL_BASE_STATIONS(st) {
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if (Station::IsExpected(st) && !st->IsInUse() && st->owner == _local_company) {
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if (T::IsExpected(st) && !st->IsInUse() && st->owner == _local_company) {
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/* Include only within station spread (yes, it is strictly less than) */
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if (max(DistanceMax(ta.tile, st->xy), DistanceMax(TILE_ADDXY(ta.tile, ta.w - 1, ta.h - 1), st->xy)) < _settings_game.station.station_spread) {
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TileAndStation *ts = _deleted_stations_nearby.Append();
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@ -1149,7 +1154,7 @@ static const Station *FindStationsNearby(TileArea ta, bool distant_join)
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/* Add the station when it's within where we're going to build */
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if (IsInsideBS(TileX(st->xy), TileX(ctx.tile), ctx.w) &&
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IsInsideBS(TileY(st->xy), TileY(ctx.tile), ctx.h)) {
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AddNearbyStation(st->xy, &ctx);
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AddNearbyStation<T>(st->xy, &ctx);
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}
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}
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}
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@ -1162,7 +1167,7 @@ static const Station *FindStationsNearby(TileArea ta, bool distant_join)
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uint max_dist = distant_join ? _settings_game.station.station_spread - min(ta.w, ta.h) : 1;
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TileIndex tile = TILE_ADD(ctx.tile, TileOffsByDir(DIR_N));
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CircularTileSearch(&tile, max_dist, ta.w, ta.h, AddNearbyStation, &ctx);
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CircularTileSearch(&tile, max_dist, ta.w, ta.h, AddNearbyStation<T>, &ctx);
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return NULL;
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}
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@ -1198,6 +1203,11 @@ static const NWidgetPart _nested_select_station_widgets[] = {
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EndContainer(),
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};
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/**
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* Window for selecting stations/waypoints to (distant) join to.
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* @tparam T The type of station to join with
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*/
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template <class T>
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struct SelectStationWindow : Window {
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CommandContainer select_station_cmd; ///< Command to build new station
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TileArea area; ///< Location of new station
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@ -1210,8 +1220,9 @@ struct SelectStationWindow : Window {
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this->vscroll.cap = 6;
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this->resize.step_height = 10;
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FindStationsNearby(this->area, true);
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FindStationsNearby<T>(this->area, true);
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this->widget[JSW_WIDGET_CAPTION].data = T::EXPECTED_FACIL == FACIL_WAYPOINT ? STR_SELECT_WAYPOINT_TO_JOIN : STR_SELECT_STATION_TO_JOIN;
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this->FindWindowPlacementAndResize(desc);
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}
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@ -1223,7 +1234,7 @@ struct SelectStationWindow : Window {
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uint y = 17;
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if (this->vscroll.pos == 0) {
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DrawString(3, this->widget[JSW_PANEL].right - 2, y, STR_CREATE_SPLITTED_STATION);
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DrawString(3, this->widget[JSW_PANEL].right - 2, y, T::EXPECTED_FACIL == FACIL_WAYPOINT ? STR_CREATE_SPLITTED_WAYPOINT : STR_CREATE_SPLITTED_STATION);
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y += 10;
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}
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@ -1231,10 +1242,10 @@ struct SelectStationWindow : Window {
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/* Don't draw anything if it extends past the end of the window. */
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if (i - this->vscroll.pos >= this->vscroll.cap) break;
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const Station *st = Station::Get(_stations_nearby_list[i - 1]);
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const T *st = T::Get(_stations_nearby_list[i - 1]);
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SetDParam(0, st->index);
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SetDParam(1, st->facilities);
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DrawString(3, this->widget[JSW_PANEL].right - 2, y, STR_STATION_LIST_STATION);
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DrawString(3, this->widget[JSW_PANEL].right - 2, y, T::EXPECTED_FACIL == FACIL_WAYPOINT ? STR_STATION_LIST_WAYPOINT : STR_STATION_LIST_STATION);
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}
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}
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@ -1274,7 +1285,7 @@ struct SelectStationWindow : Window {
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virtual void OnInvalidateData(int data)
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{
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FindStationsNearby(this->area, true);
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FindStationsNearby<T>(this->area, true);
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this->SetDirty();
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}
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};
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@ -1292,8 +1303,10 @@ static const WindowDesc _select_station_desc(
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* @param cmd Command to build the station.
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* @param w Width of the to-be-built station
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* @param h Height of the to-be-built station
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* @tparam T the type of station
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* @return whether we need to show the station selection window.
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*/
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template <class T>
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static bool StationJoinerNeeded(CommandContainer cmd, TileArea ta)
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{
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/* Only show selection if distant join is enabled in the settings */
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@ -1319,23 +1332,44 @@ static bool StationJoinerNeeded(CommandContainer cmd, TileArea ta)
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/* Test for adjacent station or station below selection.
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* If adjacent-stations is disabled and we are building next to a station, do not show the selection window.
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* but join the other station immediatelly. */
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const Station *st = FindStationsNearby(ta, false);
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const T *st = FindStationsNearby<T>(ta, false);
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return st == NULL && (_settings_game.station.adjacent_stations || _stations_nearby_list.Length() == 0);
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}
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/**
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* Show the station selection window when needed. If not, build the station.
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* @param cmd Command to build the station.
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* @param w Width of the to-be-built station
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* @param h Height of the to-be-built station
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* @param ta Area to build the station in
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* @tparam the class to find stations for
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*/
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void ShowSelectStationIfNeeded(CommandContainer cmd, TileArea ta)
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template <class T>
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void ShowSelectBaseStationIfNeeded(CommandContainer cmd, TileArea ta)
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{
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if (StationJoinerNeeded(cmd, ta)) {
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if (StationJoinerNeeded<T>(cmd, ta)) {
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if (!_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
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if (BringWindowToFrontById(WC_SELECT_STATION, 0)) return;
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new SelectStationWindow(&_select_station_desc, cmd, ta);
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new SelectStationWindow<T>(&_select_station_desc, cmd, ta);
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} else {
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DoCommandP(&cmd);
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}
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}
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/**
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* Show the station selection window when needed. If not, build the station.
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* @param cmd Command to build the station.
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* @param ta Area to build the station in
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*/
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void ShowSelectStationIfNeeded(CommandContainer cmd, TileArea ta)
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{
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ShowSelectBaseStationIfNeeded<Station>(cmd, ta);
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}
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/**
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* Show the waypoint selection window when needed. If not, build the waypoint.
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* @param cmd Command to build the waypoint.
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* @param ta Area to build the waypoint in
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*/
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void ShowSelectWaypointIfNeeded(CommandContainer cmd, TileArea ta)
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{
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ShowSelectBaseStationIfNeeded<Waypoint>(cmd, ta);
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}
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