(svn r11214) -Fix [FS#1296]: planes can't use heliports so refuse these orders

src/aircraft.h

@@ -33,20 +33,29 @@ static inline bool IsNormalAircraft(const Vehicle *v)
 	return v->subtype <= AIR_AIRCRAFT;
 }
 
-/** Checks if an aircraft is buildable at the tile in question
+/** Checks if an aircraft can use the station in question
  * @param engine The engine to test
- * @param tile The tile where the hangar is
+ * @param st The station
- * @return true if the aircraft can be build
+ * @return true if the aircraft can use the station
  */
-static inline bool IsAircraftBuildableAtStation(EngineID engine, TileIndex tile)
+static inline bool CanAircraftUseStation(EngineID engine, const Station *st)
 {
-	const Station *st = GetStationByTile(tile);
 	const AirportFTAClass *apc = st->Airport();
 	const AircraftVehicleInfo *avi = AircraftVehInfo(engine);
 
 	return (apc->flags & (avi->subtype & AIR_CTOL ? AirportFTAClass::AIRPLANES : AirportFTAClass::HELICOPTERS)) != 0;
 }
 
+/** Checks if an aircraft can use the station at the tile in question
+ * @param engine The engine to test
+ * @param tile The tile where the station is
+ * @return true if the aircraft can use the station
+ */
+static inline bool CanAircraftUseStation(EngineID engine, TileIndex tile)
+{
+	return CanAircraftUseStation(engine, GetStationByTile(tile));
+}
+
 /**
  * Calculates cargo capacity based on an aircraft's passenger
  * and mail capacities.

src/aircraft_cmd.cpp

@@ -282,7 +282,7 @@ CommandCost CmdBuildAircraft(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
 	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);
 
 	/* Prevent building aircraft types at places which can't handle them */
-	if (!IsAircraftBuildableAtStation(p1, tile)) return CMD_ERROR;
+	if (!CanAircraftUseStation(p1, tile)) return CMD_ERROR;
 
 	/* Allocate 2 or 3 vehicle structs, depending on type
 	 * vl[0] = aircraft, vl[1] = shadow, [vl[2] = rotor] */

src/build_vehicle_gui.cpp

@@ -765,7 +765,7 @@ static void GenerateBuildAircraftList(Window *w)
 	for (eid = AIRCRAFT_ENGINES_INDEX; eid < AIRCRAFT_ENGINES_INDEX + NUM_AIRCRAFT_ENGINES; eid++) {
 		if (!IsEngineBuildable(eid, VEH_AIRCRAFT, _local_player)) continue;
 		/* First VEH_END window_numbers are fake to allow a window open for all different types at once */
-		if (w->window_number > VEH_END && !IsAircraftBuildableAtStation(eid, w->window_number)) continue;
+		if (w->window_number > VEH_END && !CanAircraftUseStation(eid, w->window_number)) continue;
 
 		EngList_Add(&bv->eng_list, eid);
 		if (eid == bv->sel_engine) sel_id = eid;

src/order_cmd.cpp

@@ -19,6 +19,7 @@
 #include "vehicle_gui.h"
 #include "cargotype.h"
 #include "strings.h"
+#include "aircraft.h"
 
 DEFINE_OLD_POOL_GENERIC(Order, Order)
 
@@ -198,7 +199,9 @@ CommandCost CmdInsertOrder(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
 					break;
 
 				case VEH_AIRCRAFT:
-					if (!(st->facilities & FACIL_AIRPORT)) return CMD_ERROR;
+					if (!(st->facilities & FACIL_AIRPORT) || !CanAircraftUseStation(v->engine_type, st)) {
+						return CMD_ERROR;
+					}
 					break;
 
 				default: return CMD_ERROR;
@@ -239,7 +242,8 @@ CommandCost CmdInsertOrder(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
 
 				if (!CheckOwnership(st->owner) ||
 						!(st->facilities & FACIL_AIRPORT) ||
-						st->Airport()->nof_depots == 0) {
+						st->Airport()->nof_depots == 0 ||
+						!CanAircraftUseStation(v->engine_type, st)) {
 					return CMD_ERROR;
 				}
 			} else {
@@ -1038,7 +1042,7 @@ static TileIndex GetStationTileForVehicle(const Vehicle* v, const Station* st)
 	switch (v->type) {
 		default: NOT_REACHED();
 		case VEH_TRAIN:     return st->train_tile;
-		case VEH_AIRCRAFT:  return st->airport_tile;
+		case VEH_AIRCRAFT:  return CanAircraftUseStation(v->engine_type, st) ? st->airport_tile : 0;
 		case VEH_SHIP:      return st->dock_tile;
 		case VEH_ROAD:
 			if (IsCargoInClass(v->cargo_type, CC_PASSENGERS)) {