uint CountVehiclesInChain(const Vehicle* v);

void DeleteVehicle(Vehicle *v);

void DeleteVehicleChain(Vehicle *v);

void *VehicleFromPos(TileIndex tile, void *data, VehicleFromPosProc *proc);

void CallVehicleTicks(void);

Vehicle *FindVehicleOnTileZ(TileIndex tile, byte z);

void InitializeTrains(void);

byte VehicleRandomBits(void);

bool CanFillVehicle(Vehicle *v);

bool CanRefitTo(EngineID engine_type, CargoID cid_to);

void ViewportAddVehicles(DrawPixelInfo *dpi);

void TrainEnterDepot(Vehicle *v, TileIndex tile);

/* train_cmd.h */

int GetTrainImage(const Vehicle* v, Direction direction);

int GetAircraftImage(const Vehicle* v, Direction direction);

int GetRoadVehImage(const Vehicle* v, Direction direction);

int GetShipImage(const Vehicle* v, Direction direction);

Vehicle *CreateEffectVehicle(int x, int y, int z, EffectVehicle type);