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-rw-r--r--src/openttd.cpp5
-rw-r--r--src/order_cmd.cpp6
-rw-r--r--src/roadveh.h9
-rw-r--r--src/roadveh_cmd.cpp86
-rw-r--r--src/saveload/vehicle_sl.cpp2
-rw-r--r--src/station.cpp9
-rw-r--r--src/station_base.h4
-rw-r--r--src/station_func.h2
-rw-r--r--src/vehicle.cpp4
9 files changed, 68 insertions, 59 deletions
diff --git a/src/openttd.cpp b/src/openttd.cpp
index e22cbea01..218f11f2b 100644
--- a/src/openttd.cpp
+++ b/src/openttd.cpp
@@ -30,6 +30,7 @@
#include "fileio_func.h"
#include "fios.h"
#include "aircraft.h"
+#include "roadveh.h"
#include "console_func.h"
#include "screenshot.h"
#include "network/network.h"
@@ -1117,8 +1118,8 @@ void StateGameLoop()
switch (v->type) {
case VEH_ROAD: {
- extern byte GetRoadVehLength(const Vehicle *v);
- if (GetRoadVehLength(v) != v->u.road.cached_veh_length) {
+ extern byte GetRoadVehLength(const RoadVehicle *v);
+ if (GetRoadVehLength((RoadVehicle *)v) != v->u.road.cached_veh_length) {
DEBUG(desync, 2, "cache mismatch: vehicle %i, company %i, unit number %i\n", v->index, (int)v->owner, v->unitnumber);
}
} break;
diff --git a/src/order_cmd.cpp b/src/order_cmd.cpp
index 3dfe2a1eb..62bf9bed4 100644
--- a/src/order_cmd.cpp
+++ b/src/order_cmd.cpp
@@ -734,7 +734,7 @@ CommandCost CmdSkipToOrder(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3
if (flags & DC_EXEC) {
v->cur_order_index = sel_ord;
- if (v->type == VEH_ROAD) ClearSlot(v);
+ if (v->type == VEH_ROAD) ClearSlot((RoadVehicle *)v);
if (v->current_order.IsType(OT_LOADING)) v->LeaveStation();
@@ -1360,7 +1360,7 @@ static TileIndex GetStationTileForVehicle(const Vehicle *v, const Station *st)
case VEH_TRAIN: return st->train_tile;
case VEH_AIRCRAFT: return st->airport_tile;
case VEH_SHIP: return st->dock_tile;
- case VEH_ROAD: return st->GetPrimaryRoadStop(v)->xy;
+ case VEH_ROAD: return st->GetPrimaryRoadStop((RoadVehicle *)v)->xy;
}
}
@@ -1739,7 +1739,7 @@ bool ProcessOrders(Vehicle *v)
v->current_order.Free();
v->dest_tile = 0;
- if (v->type == VEH_ROAD) ClearSlot(v);
+ if (v->type == VEH_ROAD) ClearSlot((RoadVehicle *)v);
return false;
}
diff --git a/src/roadveh.h b/src/roadveh.h
index 2e42972ff..c27ed254d 100644
--- a/src/roadveh.h
+++ b/src/roadveh.h
@@ -10,6 +10,8 @@
#include "engine_base.h"
#include "economy_func.h"
+struct RoadVehicle;
+
/** State information about the Road Vehicle controller */
enum {
RDE_NEXT_TILE = 0x80, ///< We should enter the next tile
@@ -68,9 +70,9 @@ static inline bool RoadVehHasArticPart(const Vehicle *v)
void CcBuildRoadVeh(bool success, TileIndex tile, uint32 p1, uint32 p2);
-byte GetRoadVehLength(const Vehicle *v);
+byte GetRoadVehLength(const RoadVehicle *v);
-void RoadVehUpdateCache(Vehicle *v);
+void RoadVehUpdateCache(RoadVehicle *v);
/**
@@ -104,6 +106,9 @@ struct RoadVehicle : public Vehicle {
Trackdir GetVehicleTrackdir() const;
TileIndex GetOrderStationLocation(StationID station);
bool FindClosestDepot(TileIndex *location, DestinationID *destination, bool *reverse);
+ RoadVehicle *First() { return (RoadVehicle *)this->Vehicle::First(); }
+ RoadVehicle *Next() { return (RoadVehicle *)this->Vehicle::Next(); }
+ const RoadVehicle *Next() const { return (const RoadVehicle *)this->Vehicle::Next(); }
};
#endif /* ROADVEH_H */
diff --git a/src/roadveh_cmd.cpp b/src/roadveh_cmd.cpp
index ce74d39db..61054f180 100644
--- a/src/roadveh_cmd.cpp
+++ b/src/roadveh_cmd.cpp
@@ -120,7 +120,7 @@ void DrawRoadVehEngine(int x, int y, EngineID engine, SpriteID pal)
DrawSprite(GetRoadVehIcon(engine), pal, x, y);
}
-byte GetRoadVehLength(const Vehicle *v)
+byte GetRoadVehLength(const RoadVehicle *v)
{
byte length = 8;
@@ -132,12 +132,12 @@ byte GetRoadVehLength(const Vehicle *v)
return length;
}
-void RoadVehUpdateCache(Vehicle *v)
+void RoadVehUpdateCache(RoadVehicle *v)
{
assert(v->type == VEH_ROAD);
assert(IsRoadVehFront(v));
- for (Vehicle *u = v; u != NULL; u = u->Next()) {
+ for (RoadVehicle *u = v; u != NULL; u = u->Next()) {
/* Check the v->first cache. */
assert(u->First() == v);
@@ -192,7 +192,7 @@ CommandCost CmdBuildRoadVeh(TileIndex tile, DoCommandFlag flags, uint32 p1, uint
if (flags & DC_EXEC) {
const RoadVehicleInfo *rvi = RoadVehInfo(p1);
- Vehicle *v = new RoadVehicle();
+ RoadVehicle *v = new RoadVehicle();
v->unitnumber = unit_num;
v->direction = DiagDirToDir(GetRoadDepotDirection(tile));
v->owner = _current_company;
@@ -254,7 +254,7 @@ CommandCost CmdBuildRoadVeh(TileIndex tile, DoCommandFlag flags, uint32 p1, uint
AddArticulatedParts(v, VEH_ROAD);
/* Call various callbacks after the whole consist has been constructed */
- for (Vehicle *u = v; u != NULL; u = u->Next()) {
+ for (RoadVehicle *u = v; u != NULL; u = u->Next()) {
u->u.road.cached_veh_length = GetRoadVehLength(u);
/* Cargo capacity is zero if and only if the vehicle cannot carry anything */
if (u->cargo_cap != 0) u->cargo_cap = GetVehicleProperty(u, 0x0F, u->cargo_cap);
@@ -277,7 +277,7 @@ CommandCost CmdBuildRoadVeh(TileIndex tile, DoCommandFlag flags, uint32 p1, uint
return cost;
}
-void ClearSlot(Vehicle *v)
+void ClearSlot(RoadVehicle *v)
{
RoadStop *rs = v->u.road.slot;
if (v->u.road.slot == NULL) return;
@@ -298,7 +298,7 @@ bool RoadVehicle::IsStoppedInDepot() const
if (!IsRoadDepotTile(tile)) return false;
if (IsRoadVehFront(this) && !(this->vehstatus & VS_STOPPED)) return false;
- for (const Vehicle *v = this; v != NULL; v = v->Next()) {
+ for (const RoadVehicle *v = this; v != NULL; v = v->Next()) {
if (v->u.road.state != RVSB_IN_DEPOT || v->tile != tile) return false;
}
return true;
@@ -356,7 +356,7 @@ static bool EnumRoadSignalFindDepot(TileIndex tile, void *data, Trackdir trackdi
return false;
}
-static const Depot *FindClosestRoadDepot(const Vehicle *v)
+static const Depot *FindClosestRoadDepot(const RoadVehicle *v)
{
switch (_settings_game.pf.pathfinder_for_roadvehs) {
case VPF_YAPF: // YAPF
@@ -486,7 +486,7 @@ void RoadVehicle::UpdateDeltaXY(Direction direction)
this->z_extent = 6;
}
-static void ClearCrashedStation(Vehicle *v)
+static void ClearCrashedStation(RoadVehicle *v)
{
RoadStop *rs = GetRoadStopByTile(v->tile, GetRoadStopType(v->tile));
@@ -497,7 +497,7 @@ static void ClearCrashedStation(Vehicle *v)
rs->FreeBay(HasBit(v->u.road.state, RVS_USING_SECOND_BAY));
}
-static void DeleteLastRoadVeh(Vehicle *v)
+static void DeleteLastRoadVeh(RoadVehicle *v)
{
Vehicle *u = v;
for (; v->Next() != NULL; v = v->Next()) u = v;
@@ -508,7 +508,7 @@ static void DeleteLastRoadVeh(Vehicle *v)
delete v;
}
-static byte SetRoadVehPosition(Vehicle *v, int x, int y)
+static byte SetRoadVehPosition(RoadVehicle *v, int x, int y)
{
byte new_z, old_z;
@@ -524,7 +524,7 @@ static byte SetRoadVehPosition(Vehicle *v, int x, int y)
return old_z;
}
-static void RoadVehSetRandomDirection(Vehicle *v)
+static void RoadVehSetRandomDirection(RoadVehicle *v)
{
static const DirDiff delta[] = {
DIRDIFF_45LEFT, DIRDIFF_SAME, DIRDIFF_SAME, DIRDIFF_45RIGHT
@@ -540,7 +540,7 @@ static void RoadVehSetRandomDirection(Vehicle *v)
} while ((v = v->Next()) != NULL);
}
-static bool RoadVehIsCrashed(Vehicle *v)
+static bool RoadVehIsCrashed(RoadVehicle *v)
{
v->u.road.crashed_ctr++;
if (v->u.road.crashed_ctr == 2) {
@@ -568,7 +568,7 @@ static Vehicle *EnumCheckRoadVehCrashTrain(Vehicle *v, void *data)
v : NULL;
}
-static void RoadVehCrash(Vehicle *v)
+static void RoadVehCrash(RoadVehicle *v)
{
uint16 pass = 1;
@@ -601,9 +601,9 @@ static void RoadVehCrash(Vehicle *v)
SndPlayVehicleFx(SND_12_EXPLOSION, v);
}
-static bool RoadVehCheckTrainCrash(Vehicle *v)
+static bool RoadVehCheckTrainCrash(RoadVehicle *v)
{
- for (Vehicle *u = v; u != NULL; u = u->Next()) {
+ for (RoadVehicle *u = v; u != NULL; u = u->Next()) {
if (u->u.road.state == RVSB_WORMHOLE) continue;
TileIndex tile = u->tile;
@@ -619,7 +619,7 @@ static bool RoadVehCheckTrainCrash(Vehicle *v)
return false;
}
-static void HandleBrokenRoadVeh(Vehicle *v)
+static void HandleBrokenRoadVeh(RoadVehicle *v)
{
if (v->breakdown_ctr != 1) {
v->breakdown_ctr = 1;
@@ -678,7 +678,7 @@ TileIndex RoadVehicle::GetOrderStationLocation(StationID station)
}
}
-static void StartRoadVehSound(const Vehicle *v)
+static void StartRoadVehSound(const RoadVehicle *v)
{
if (!PlayVehicleSound(v, VSE_START)) {
SoundID s = RoadVehInfo(v->engine_type)->sfx;
@@ -727,10 +727,10 @@ static Vehicle *EnumCheckRoadVehClose(Vehicle *v, void *data)
return NULL;
}
-static Vehicle *RoadVehFindCloseTo(Vehicle *v, int x, int y, Direction dir)
+static RoadVehicle *RoadVehFindCloseTo(RoadVehicle *v, int x, int y, Direction dir)
{
RoadVehFindData rvf;
- Vehicle *front = v->First();
+ RoadVehicle *front = v->First();
if (front->u.road.reverse_ctr != 0) return NULL;
@@ -758,10 +758,10 @@ static Vehicle *RoadVehFindCloseTo(Vehicle *v, int x, int y, Direction dir)
if (++front->u.road.blocked_ctr > 1480) return NULL;
- return rvf.best;
+ return (RoadVehicle *)rvf.best;
}
-static void RoadVehArrivesAt(const Vehicle *v, Station *st)
+static void RoadVehArrivesAt(const RoadVehicle *v, Station *st)
{
if (IsCargoInClass(v->cargo_type, CC_PASSENGERS)) {
/* Check if station was ever visited before */
@@ -792,7 +792,7 @@ static void RoadVehArrivesAt(const Vehicle *v, Station *st)
}
}
-static int RoadVehAccelerate(Vehicle *v)
+static int RoadVehAccelerate(RoadVehicle *v)
{
uint oldspeed = v->cur_speed;
uint accel = 256 + (v->u.road.overtaking != 0 ? 256 : 0);
@@ -827,7 +827,7 @@ static int RoadVehAccelerate(Vehicle *v)
return scaled_spd;
}
-static Direction RoadVehGetNewDirection(const Vehicle *v, int x, int y)
+static Direction RoadVehGetNewDirection(const RoadVehicle *v, int x, int y)
{
static const Direction _roadveh_new_dir[] = {
DIR_N , DIR_NW, DIR_W , INVALID_DIR,
@@ -842,7 +842,7 @@ static Direction RoadVehGetNewDirection(const Vehicle *v, int x, int y)
return _roadveh_new_dir[y * 4 + x];
}
-static Direction RoadVehGetSlidingDirection(const Vehicle *v, int x, int y)
+static Direction RoadVehGetSlidingDirection(const RoadVehicle *v, int x, int y)
{
Direction new_dir = RoadVehGetNewDirection(v, x, y);
Direction old_dir = v->direction;
@@ -854,8 +854,8 @@ static Direction RoadVehGetSlidingDirection(const Vehicle *v, int x, int y)
}
struct OvertakeData {
- const Vehicle *u;
- const Vehicle *v;
+ const RoadVehicle *u;
+ const RoadVehicle *v;
TileIndex tile;
Trackdir trackdir;
};
@@ -889,7 +889,7 @@ static bool CheckRoadBlockedForOvertaking(OvertakeData *od)
return HasVehicleOnPos(od->tile, od, EnumFindVehBlockingOvertake);
}
-static void RoadVehCheckOvertake(Vehicle *v, Vehicle *u)
+static void RoadVehCheckOvertake(RoadVehicle *v, RoadVehicle *u)
{
OvertakeData od;
@@ -941,7 +941,7 @@ static void RoadVehCheckOvertake(Vehicle *v, Vehicle *u)
}
}
-static void RoadZPosAffectSpeed(Vehicle *v, byte old_z)
+static void RoadZPosAffectSpeed(RoadVehicle *v, byte old_z)
{
if (old_z == v->z_pos) return;
@@ -1000,7 +1000,7 @@ static inline NPFFoundTargetData PerfNPFRouteToStationOrTile(TileIndex tile, Tra
* @param enterdir the direction the vehicle enters the tile from
* @return the Trackdir to take
*/
-static Trackdir RoadFindPathToDest(Vehicle *v, TileIndex tile, DiagDirection enterdir)
+static Trackdir RoadFindPathToDest(RoadVehicle *v, TileIndex tile, DiagDirection enterdir)
{
#define return_track(x) { best_track = (Trackdir)x; goto found_best_track; }
@@ -1166,7 +1166,7 @@ found_best_track:;
return best_track;
}
-static uint RoadFindPathToStop(const Vehicle *v, TileIndex tile)
+static uint RoadFindPathToStop(const RoadVehicle *v, TileIndex tile)
{
if (_settings_game.pf.pathfinder_for_roadvehs == VPF_YAPF) {
/* use YAPF */
@@ -1201,10 +1201,10 @@ static const byte _road_veh_data_1[] = {
15, 15, 11, 11
};
-static bool RoadVehLeaveDepot(Vehicle *v, bool first)
+static bool RoadVehLeaveDepot(RoadVehicle *v, bool first)
{
/* Don't leave if not all the wagons are in the depot. */
- for (const Vehicle *u = v; u != NULL; u = u->Next()) {
+ for (const RoadVehicle *u = v; u != NULL; u = u->Next()) {
if (u->u.road.state != RVSB_IN_DEPOT || u->tile != v->tile) return false;
}
@@ -1240,7 +1240,7 @@ static bool RoadVehLeaveDepot(Vehicle *v, bool first)
return true;
}
-static Trackdir FollowPreviousRoadVehicle(const Vehicle *v, const Vehicle *prev, TileIndex tile, DiagDirection entry_dir, bool already_reversed)
+static Trackdir FollowPreviousRoadVehicle(const RoadVehicle *v, const RoadVehicle *prev, TileIndex tile, DiagDirection entry_dir, bool already_reversed)
{
if (prev->tile == v->tile && !already_reversed) {
/* If the previous vehicle is on the same tile as this vehicle is
@@ -1325,7 +1325,7 @@ static bool CanBuildTramTrackOnTile(CompanyID c, TileIndex t, RoadBits r)
return CmdSucceeded(ret);
}
-static bool IndividualRoadVehicleController(Vehicle *v, const Vehicle *prev)
+static bool IndividualRoadVehicleController(RoadVehicle *v, const RoadVehicle *prev)
{
if (v->u.road.overtaking != 0) {
if (IsTileType(v->tile, MP_STATION)) {
@@ -1594,7 +1594,7 @@ again:
if (IsRoadVehFront(v) && !IsInsideMM(v->u.road.state, RVSB_IN_ROAD_STOP, RVSB_IN_ROAD_STOP_END)) {
/* Vehicle is not in a road stop.
* Check for another vehicle to overtake */
- Vehicle *u = RoadVehFindCloseTo(v, x, y, new_dir);
+ RoadVehicle *u = RoadVehFindCloseTo(v, x, y, new_dir);
if (u != NULL) {
u = u->First();
@@ -1739,7 +1739,7 @@ again:
return true;
}
-static bool RoadVehController(Vehicle *v)
+static bool RoadVehController(RoadVehicle *v)
{
/* decrease counters */
v->tick_counter++;
@@ -1778,8 +1778,8 @@ static bool RoadVehController(Vehicle *v)
while (j >= adv_spd) {
j -= adv_spd;
- Vehicle *u = v;
- for (Vehicle *prev = NULL; u != NULL; prev = u, u = u->Next()) {
+ RoadVehicle *u = v;
+ for (RoadVehicle *prev = NULL; u != NULL; prev = u, u = u->Next()) {
if (!IndividualRoadVehicleController(u, prev)) break;
}
@@ -1790,7 +1790,7 @@ static bool RoadVehController(Vehicle *v)
if (j >= adv_spd && RoadVehCheckTrainCrash(v)) break;
}
- for (Vehicle *u = v; u != NULL; u = u->Next()) {
+ for (RoadVehicle *u = v; u != NULL; u = u->Next()) {
if ((u->vehstatus & VS_HIDDEN) != 0) continue;
uint16 old_image = u->cur_image;
@@ -1803,7 +1803,7 @@ static bool RoadVehController(Vehicle *v)
return true;
}
-static void AgeRoadVehCargo(Vehicle *v)
+static void AgeRoadVehCargo(RoadVehicle *v)
{
if (_age_cargo_skip_counter != 0) return;
v->cargo.AgeCargo();
@@ -1821,7 +1821,7 @@ bool RoadVehicle::Tick()
return true;
}
-static void CheckIfRoadVehNeedsService(Vehicle *v)
+static void CheckIfRoadVehNeedsService(RoadVehicle *v)
{
/* If we already got a slot at a stop, use that FIRST, and go to a depot later */
if (v->u.road.slot != NULL || _settings_game.vehicle.servint_roadveh == 0 || !v->NeedsAutomaticServicing()) return;
@@ -2064,7 +2064,7 @@ CommandCost CmdRefitRoadVeh(TileIndex tile, DoCommandFlag flags, uint32 p1, uint
}
}
- if (flags & DC_EXEC) RoadVehUpdateCache(Vehicle::Get(p1)->First());
+ if (flags & DC_EXEC) RoadVehUpdateCache((RoadVehicle *)Vehicle::Get(p1)->First());
_returned_refit_capacity = total_capacity;
diff --git a/src/saveload/vehicle_sl.cpp b/src/saveload/vehicle_sl.cpp
index d7e2c136d..fdfb94666 100644
--- a/src/saveload/vehicle_sl.cpp
+++ b/src/saveload/vehicle_sl.cpp
@@ -321,7 +321,7 @@ void AfterLoadVehicles(bool part_of_load)
if (IsFrontEngine(v)) v->u.rail.last_speed = v->cur_speed; // update displayed train speed
TrainConsistChanged(v, false);
} else if (v->type == VEH_ROAD && IsRoadVehFront(v)) {
- RoadVehUpdateCache(v);
+ RoadVehUpdateCache((RoadVehicle *)v);
}
}
diff --git a/src/station.cpp b/src/station.cpp
index 97713dfbf..8f5dfd3f2 100644
--- a/src/station.cpp
+++ b/src/station.cpp
@@ -108,7 +108,7 @@ Station::~Station()
* @param v the vehicle to get the first road stop for
* @return the first roadstop that this vehicle can load at
*/
-RoadStop *Station::GetPrimaryRoadStop(const Vehicle *v) const
+RoadStop *Station::GetPrimaryRoadStop(const RoadVehicle *v) const
{
RoadStop *rs = this->GetPrimaryRoadStop(IsCargoInClass(v->cargo_type, CC_PASSENGERS) ? ROADSTOP_BUS : ROADSTOP_TRUCK);
@@ -459,7 +459,10 @@ RoadStop::~RoadStop()
Vehicle *v;
FOR_ALL_VEHICLES(v) {
- if (v->type == VEH_ROAD && v->u.road.slot == this) ClearSlot(v);
+ if (v->type != VEH_ROAD) continue;
+ RoadVehicle *rv = (RoadVehicle *)v;
+
+ if (rv->u.road.slot == this) ClearSlot(rv);
}
}
assert(num_vehicles == 0);
@@ -535,7 +538,7 @@ void RoadStop::SetEntranceBusy(bool busy)
* @param v the vehicle to get the next road stop for.
* @return the next road stop accessible.
*/
-RoadStop *RoadStop::GetNextRoadStop(const Vehicle *v) const
+RoadStop *RoadStop::GetNextRoadStop(const RoadVehicle *v) const
{
for (RoadStop *rs = this->next; rs != NULL; rs = rs->next) {
/* The vehicle cannot go to this roadstop (different roadtype) */
diff --git a/src/station_base.h b/src/station_base.h
index f494cf67f..1849682b6 100644
--- a/src/station_base.h
+++ b/src/station_base.h
@@ -73,7 +73,7 @@ struct RoadStop : RoadStopPool::PoolItem<&_roadstop_pool> {
bool IsEntranceBusy() const;
void SetEntranceBusy(bool busy);
- RoadStop *GetNextRoadStop(const Vehicle *v) const;
+ RoadStop *GetNextRoadStop(const struct RoadVehicle *v) const;
};
struct StationSpecList {
@@ -113,7 +113,7 @@ public:
return type == ROADSTOP_BUS ? bus_stops : truck_stops;
}
- RoadStop *GetPrimaryRoadStop(const Vehicle *v) const;
+ RoadStop *GetPrimaryRoadStop(const struct RoadVehicle *v) const;
const AirportFTAClass *Airport() const
{
diff --git a/src/station_func.h b/src/station_func.h
index a8396a7ee..893e12bc6 100644
--- a/src/station_func.h
+++ b/src/station_func.h
@@ -34,7 +34,7 @@ RoadStop * GetRoadStopByTile(TileIndex tile, RoadStopType type);
uint GetNumRoadStops(const Station *st, RoadStopType type);
RoadStop * AllocateRoadStop();
-void ClearSlot(Vehicle *v);
+void ClearSlot(struct RoadVehicle *v);
void DeleteOilRig(TileIndex t);
diff --git a/src/vehicle.cpp b/src/vehicle.cpp
index 857c4df8a..95f23beb9 100644
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -524,7 +524,7 @@ void Vehicle::PreDestructor()
if (this->IsPrimaryVehicle()) DecreaseGroupNumVehicle(this->group_id);
}
- if (this->type == VEH_ROAD) ClearSlot(this);
+ if (this->type == VEH_ROAD) ClearSlot((RoadVehicle *)this);
if (this->type == VEH_AIRCRAFT && this->IsPrimaryVehicle()) {
Aircraft *a = (Aircraft *)this;
Station *st = GetTargetAirportIfValid(a);
@@ -1742,7 +1742,7 @@ bool CanVehicleUseStation(EngineID engine_type, const Station *st)
*/
bool CanVehicleUseStation(const Vehicle *v, const Station *st)
{
- if (v->type == VEH_ROAD) return st->GetPrimaryRoadStop(v) != NULL;
+ if (v->type == VEH_ROAD) return st->GetPrimaryRoadStop((RoadVehicle *)v) != NULL;
return CanVehicleUseStation(v->engine_type, st);
}