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authorrubidium <rubidium@openttd.org>2009-01-10 09:51:14 +0000
committerrubidium <rubidium@openttd.org>2009-01-10 09:51:14 +0000
commit3d6c09b38d54da55ba7688fab8acb5879a34c861 (patch)
treec150281da19ec8c75bcae7d7526de3017ee154db
parentece7d9a16f66102aa2b384c45c13dc2a31cce7f8 (diff)
downloadopenttd-3d6c09b38d54da55ba7688fab8acb5879a34c861.tar.xz
(svn r14952) -Codechange: unify the "can vehicle go to station" tests
-rw-r--r--src/aircraft.h23
-rw-r--r--src/aircraft_cmd.cpp2
-rw-r--r--src/build_vehicle_gui.cpp4
-rw-r--r--src/order_cmd.cpp47
-rw-r--r--src/vehicle.cpp52
-rw-r--r--src/vehicle_func.h3
6 files changed, 67 insertions, 64 deletions
diff --git a/src/aircraft.h b/src/aircraft.h
index b5a231e25..faf888f88 100644
--- a/src/aircraft.h
+++ b/src/aircraft.h
@@ -34,29 +34,6 @@ static inline bool IsNormalAircraft(const Vehicle *v)
return v->subtype <= AIR_AIRCRAFT;
}
-/** Checks if an aircraft can use the station in question
- * @param engine The engine to test
- * @param st The station
- * @return true if the aircraft can use the station
- */
-static inline bool CanAircraftUseStation(EngineID engine, const Station *st)
-{
- 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.
diff --git a/src/aircraft_cmd.cpp b/src/aircraft_cmd.cpp
index bf05fb952..8a1c8470f 100644
--- a/src/aircraft_cmd.cpp
+++ b/src/aircraft_cmd.cpp
@@ -273,7 +273,7 @@ CommandCost CmdBuildAircraft(TileIndex tile, uint32 flags, uint32 p1, uint32 p2,
if (!IsHangarTile(tile) || !IsTileOwner(tile, _current_company)) return CMD_ERROR;
/* Prevent building aircraft types at places which can't handle them */
- if (!CanAircraftUseStation(p1, tile)) return CMD_ERROR;
+ if (!CanVehicleUseStation(p1, GetStationByTile(tile))) return CMD_ERROR;
/* Allocate 2 or 3 vehicle structs, depending on type
* vl[0] = aircraft, vl[1] = shadow, [vl[2] = rotor] */
diff --git a/src/build_vehicle_gui.cpp b/src/build_vehicle_gui.cpp
index 7cfcc6aec..27a1e039f 100644
--- a/src/build_vehicle_gui.cpp
+++ b/src/build_vehicle_gui.cpp
@@ -987,6 +987,8 @@ struct BuildVehicleWindow : Window {
this->eng_list.Clear();
+ const Station *st = GetStation(this->window_number);
+
/* Make list of all available planes.
* Also check to see if the previously selected plane is still available,
* and if not, reset selection to INVALID_ENGINE. This could be the case
@@ -996,7 +998,7 @@ struct BuildVehicleWindow : Window {
EngineID eid = e->index;
if (!IsEngineBuildable(eid, VEH_AIRCRAFT, _local_company)) continue;
/* First VEH_END window_numbers are fake to allow a window open for all different types at once */
- if (!this->listview_mode && !CanAircraftUseStation(eid, this->window_number)) continue;
+ if (!this->listview_mode && !CanVehicleUseStation(eid, st)) continue;
*this->eng_list.Append() = eid;
if (eid == this->sel_engine) sel_id = eid;
diff --git a/src/order_cmd.cpp b/src/order_cmd.cpp
index c1ac606a0..a0b675f10 100644
--- a/src/order_cmd.cpp
+++ b/src/order_cmd.cpp
@@ -425,35 +425,8 @@ CommandCost CmdInsertOrder(TileIndex tile, uint32 flags, uint32 p1, uint32 p2, c
const Station *st = GetStation(new_order.GetDestination());
- if (st->owner != OWNER_NONE && !CheckOwnership(st->owner)) {
- return CMD_ERROR;
- }
-
- switch (v->type) {
- case VEH_TRAIN:
- if (!(st->facilities & FACIL_TRAIN)) return CMD_ERROR;
- break;
-
- case VEH_ROAD:
- if (IsCargoInClass(v->cargo_type, CC_PASSENGERS)) {
- if (!(st->facilities & FACIL_BUS_STOP)) return CMD_ERROR;
- } else {
- if (!(st->facilities & FACIL_TRUCK_STOP)) return CMD_ERROR;
- }
- break;
-
- case VEH_SHIP:
- if (!(st->facilities & FACIL_DOCK)) return CMD_ERROR;
- break;
-
- case VEH_AIRCRAFT:
- if (!(st->facilities & FACIL_AIRPORT) || !CanAircraftUseStation(v->engine_type, st)) {
- return CMD_ERROR;
- }
- break;
-
- default: return CMD_ERROR;
- }
+ if (st->owner != OWNER_NONE && !CheckOwnership(st->owner)) return CMD_ERROR;
+ if (!CanVehicleUseStation(v, st)) return CMD_ERROR;
/* Non stop not allowed for non-trains. */
if (new_order.GetNonStopType() != ONSF_STOP_EVERYWHERE && v->type != VEH_TRAIN && v->type != VEH_ROAD) return CMD_ERROR;
@@ -481,9 +454,8 @@ CommandCost CmdInsertOrder(TileIndex tile, uint32 flags, uint32 p1, uint32 p2, c
const Station *st = GetStation(new_order.GetDestination());
if (!CheckOwnership(st->owner) ||
- !(st->facilities & FACIL_AIRPORT) ||
- st->Airport()->nof_depots == 0 ||
- !CanAircraftUseStation(v->engine_type, st)) {
+ !CanVehicleUseStation(v, st) ||
+ st->Airport()->nof_depots == 0) {
return CMD_ERROR;
}
} else {
@@ -1376,17 +1348,14 @@ CommandCost CmdRestoreOrderIndex(TileIndex tile, uint32 flags, uint32 p1, uint32
static TileIndex GetStationTileForVehicle(const Vehicle *v, const Station *st)
{
+ if (!CanVehicleUseStation(v, st)) return INVALID_TILE;
+
switch (v->type) {
default: NOT_REACHED();
case VEH_TRAIN: return st->train_tile;
- case VEH_AIRCRAFT: return CanAircraftUseStation(v->engine_type, st) ? st->airport_tile : INVALID_TILE;
+ case VEH_AIRCRAFT: return st->airport_tile;
case VEH_SHIP: return st->dock_tile;
- case VEH_ROAD:
- if (IsCargoInClass(v->cargo_type, CC_PASSENGERS)) {
- return (st->bus_stops != NULL) ? st->bus_stops->xy : INVALID_TILE;
- } else {
- return (st->truck_stops != NULL) ? st->truck_stops->xy : INVALID_TILE;
- }
+ case VEH_ROAD: return IsCargoInClass(v->cargo_type, CC_PASSENGERS) ? st->bus_stops->xy : st->truck_stops->xy;
}
}
diff --git a/src/vehicle.cpp b/src/vehicle.cpp
index 7ccb81215..591bfc8e9 100644
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -2255,3 +2255,55 @@ void VehiclesYearlyLoop()
}
}
}
+
+
+/**
+ * Can this station be used by the given engine type?
+ * @param engine_type the type of vehicles to test
+ * @param st the station to test for
+ * @return true if and only if the vehicle of the type can use this station.
+ * @note For road vehicles the Vehicle is needed to determine whether it can
+ * use the station. This function will return true for road vehicles
+ * when at least one of the facilities is available.
+ */
+bool CanVehicleUseStation(EngineID engine_type, const Station *st)
+{
+ assert(IsEngineIndex(engine_type));
+ const Engine *e = GetEngine(engine_type);
+
+ switch (e->type) {
+ case VEH_TRAIN:
+ return (st->facilities & FACIL_TRAIN) != 0;
+
+ case VEH_ROAD:
+ /* For road vehicles we need the vehicle to know whether it can actually
+ * use the station, but if it doesn't have facilities for RVs it is
+ * certainly not possible that the station can be used. */
+ return (st->facilities & (FACIL_BUS_STOP | FACIL_TRUCK_STOP)) != 0;
+
+ case VEH_SHIP:
+ return (st->facilities & FACIL_DOCK) != 0;
+
+ case VEH_AIRCRAFT:
+ return (st->facilities & FACIL_AIRPORT) != 0 &&
+ (st->Airport()->flags & (e->u.air.subtype & AIR_CTOL ? AirportFTAClass::AIRPLANES : AirportFTAClass::HELICOPTERS)) != 0;
+
+ default:
+ return false;
+ }
+}
+
+/**
+ * Can this station be used by the given vehicle?
+ * @param v the vehicle to test
+ * @param st the station to test for
+ * @return true if and only if the vehicle can use this station.
+ */
+bool CanVehicleUseStation(const Vehicle *v, const Station *st)
+{
+ if (v->type == VEH_ROAD) {
+ return (st->facilities & (IsCargoInClass(v->cargo_type, CC_PASSENGERS) ? FACIL_BUS_STOP : FACIL_TRUCK_STOP)) != 0;
+ }
+
+ return CanVehicleUseStation(v->engine_type, st);
+}
diff --git a/src/vehicle_func.h b/src/vehicle_func.h
index 616ccee54..c9cc6a141 100644
--- a/src/vehicle_func.h
+++ b/src/vehicle_func.h
@@ -171,4 +171,7 @@ extern const Vehicle *_place_clicked_vehicle;
extern VehicleID _new_vehicle_id;
extern uint16 _returned_refit_capacity;
+bool CanVehicleUseStation(EngineID engine_type, const struct Station *st);
+bool CanVehicleUseStation(const Vehicle *v, const struct Station *st);
+
#endif /* VEHICLE_FUNC_H */