Codechange: add and use GetDepotDestinationIndex map accessor

src/depot_gui.cpp

@@ -299,7 +299,7 @@ struct DepotWindow : Window {
 	void Close([[maybe_unused]] int data = 0) override
 	{
 		CloseWindowById(WC_BUILD_VEHICLE, this->window_number);
-		CloseWindowById(GetWindowClassForVehicleType(this->type), VehicleListIdentifier(VL_DEPOT_LIST, this->type, this->owner, this->GetDepotIndex()).ToWindowNumber(), false);
+		CloseWindowById(GetWindowClassForVehicleType(this->type), VehicleListIdentifier(VL_DEPOT_LIST, this->type, this->owner, this->GetDestinationIndex().base()).ToWindowNumber(), false);
 		OrderBackup::Reset(TileIndex(this->window_number));
 		this->Window::Close();
 	}
@@ -428,7 +428,7 @@ struct DepotWindow : Window {
 		if (widget != WID_D_CAPTION) return;
 
 		SetDParam(0, this->type);
-		SetDParam(1, this->GetDepotIndex());
+		SetDParam(1, this->GetDestinationIndex());
 	}
 
 	struct GetDepotVehiclePtData {
@@ -823,7 +823,7 @@ struct DepotWindow : Window {
 				/* Only open the confirmation window if there are anything to sell */
 				if (!this->vehicle_list.empty() || !this->wagon_list.empty()) {
 					SetDParam(0, this->type);
-					SetDParam(1, this->GetDepotIndex());
+					SetDParam(1, this->GetDestinationIndex());
 					ShowQuery(
 						STR_DEPOT_CAPTION,
 						STR_DEPOT_SELL_CONFIRMATION_TEXT,
@@ -849,7 +849,7 @@ struct DepotWindow : Window {
 		if (!str.has_value()) return;
 
 		/* Do depot renaming */
-		Command<CMD_RENAME_DEPOT>::Post(STR_ERROR_CAN_T_RENAME_DEPOT, this->GetDepotIndex(), *str);
+		Command<CMD_RENAME_DEPOT>::Post(STR_ERROR_CAN_T_RENAME_DEPOT, this->GetDestinationIndex().ToDepotID(), *str);
 	}
 
 	bool OnRightClick([[maybe_unused]] Point pt, WidgetID widget) override
@@ -1139,9 +1139,9 @@ struct DepotWindow : Window {
 	 * In the case of airports, this is the station ID.
 	 * @return Depot or station ID of this window.
 	 */
-	inline uint16_t GetDepotIndex() const
+	inline DestinationID GetDestinationIndex() const
 	{
-		return (this->type == VEH_AIRCRAFT) ? ::GetStationIndex(this->window_number) : ::GetDepotIndex(this->window_number);
+		return GetDepotDestinationIndex(this->window_number);
 	}
 };
 

src/depot_map.h

@@ -10,6 +10,7 @@
 #ifndef DEPOT_MAP_H
 #define DEPOT_MAP_H
 
+#include "order_type.h"
 #include "station_map.h"
 
 /**
@@ -56,6 +57,18 @@ inline DepotID GetDepotIndex(Tile t)
 	return t.m2();
 }
 
+/**
+ * Get the destination index of a 'depot'. For hangars that's the station index, for the rest a depot index.
+ * @param t the tile
+ * @pre IsRailDepotTile(t) || IsRoadDepotTile(t) || IsShipDepotTile(t) || IsHangarTile(t)
+ * @return DepotID
+ */
+inline DestinationID GetDepotDestinationIndex(Tile t)
+{
+	if (IsHangarTile(t)) return GetStationIndex(t);
+	return GetDepotIndex(t);
+}
+
 /**
  * Get the type of vehicles that can use a depot
  * @param t The tile

src/order_base.h

@@ -78,7 +78,7 @@ public:
 	void Free();
 
 	void MakeGoToStation(StationID destination);
-	void MakeGoToDepot(DepotID destination, OrderDepotTypeFlags order, OrderNonStopFlags non_stop_type = ONSF_NO_STOP_AT_INTERMEDIATE_STATIONS, OrderDepotActionFlags action = ODATF_SERVICE_ONLY, CargoType cargo = CARGO_NO_REFIT);
+	void MakeGoToDepot(DestinationID destination, OrderDepotTypeFlags order, OrderNonStopFlags non_stop_type = ONSF_NO_STOP_AT_INTERMEDIATE_STATIONS, OrderDepotActionFlags action = ODATF_SERVICE_ONLY, CargoType cargo = CARGO_NO_REFIT);
 	void MakeGoToWaypoint(StationID destination);
 	void MakeLoading(bool ordered);
 	void MakeLeaveStation();

src/order_cmd.cpp

@@ -87,7 +87,7 @@ void Order::MakeGoToStation(StationID destination)
  * @param action        what to do in the depot?
  * @param cargo         the cargo type to change to.
  */
-void Order::MakeGoToDepot(DepotID destination, OrderDepotTypeFlags order, OrderNonStopFlags non_stop_type, OrderDepotActionFlags action, CargoType cargo)
+void Order::MakeGoToDepot(DestinationID destination, OrderDepotTypeFlags order, OrderNonStopFlags non_stop_type, OrderDepotActionFlags action, CargoType cargo)
 {
 	this->type = OT_GOTO_DEPOT;
 	this->SetDepotOrderType(order);

src/order_gui.cpp

@@ -384,7 +384,7 @@ static Order GetOrderCmdFromTile(const Vehicle *v, TileIndex tile)
 
 	/* check depot first */
 	if (IsDepotTypeTile(tile, (TransportType)(uint)v->type) && IsTileOwner(tile, _local_company)) {
-		order.MakeGoToDepot(v->type == VEH_AIRCRAFT ? GetStationIndex(tile) : GetDepotIndex(tile),
+		order.MakeGoToDepot(GetDepotDestinationIndex(tile),
 				ODTFB_PART_OF_ORDERS,
 				(_settings_client.gui.new_nonstop && v->IsGroundVehicle()) ? ONSF_NO_STOP_AT_INTERMEDIATE_STATIONS : ONSF_STOP_EVERYWHERE);
 

src/vehicle_gui.cpp

@@ -2347,14 +2347,7 @@ void ShowVehicleListWindow(CompanyID company, VehicleType vehicle_type, StationI
 
 void ShowVehicleListWindow(CompanyID company, VehicleType vehicle_type, TileIndex depot_tile)
 {
-	uint16_t depot_airport_index;
-
-	if (vehicle_type == VEH_AIRCRAFT) {
-		depot_airport_index = GetStationIndex(depot_tile);
-	} else {
-		depot_airport_index = GetDepotIndex(depot_tile);
-	}
-	ShowVehicleListWindowLocal(company, VL_DEPOT_LIST, vehicle_type, depot_airport_index);
+	ShowVehicleListWindowLocal(company, VL_DEPOT_LIST, vehicle_type, GetDepotDestinationIndex(depot_tile).base());
 }