(svn r10409) -Codechange: replace (Aircraft|RoadVeh|Ship|Train)_Tick with a Tick method in the Vehicle class.

src/aircraft.h

@@ -137,6 +137,7 @@ struct Aircraft : public Vehicle {
 	WindowClass GetVehicleListWindowClass() const { return WC_AIRCRAFT_LIST; }
 	bool IsPrimaryVehicle() const { return IsNormalAircraft(this); }
 	int GetImage(Direction direction) const;
+	void Tick();
 };
 
 #endif /* AIRCRAFT_H */

src/aircraft_cmd.cpp

@@ -2110,17 +2110,17 @@ static void AircraftEventHandler(Vehicle *v, int loop)
 	AirportGoToNextPosition(v);
 }
 
-void Aircraft_Tick(Vehicle *v)
+void Aircraft::Tick()
 {
-	if (!IsNormalAircraft(v)) return;
+	if (!IsNormalAircraft(this)) return;
 
-	if (v->subtype == AIR_HELICOPTER) HelicopterTickHandler(v);
+	if (this->subtype == AIR_HELICOPTER) HelicopterTickHandler(this);
 
-	AgeAircraftCargo(v);
+	AgeAircraftCargo(this);
 
 	for (uint i = 0; i != 2; i++) {
-		AircraftEventHandler(v, i);
-		if (v->type != VEH_AIRCRAFT) // In case it was deleted
+		AircraftEventHandler(this, i);
+		if (this->type != VEH_AIRCRAFT) // In case it was deleted
 			break;
 	}
 }

src/disaster_cmd.cpp

@@ -741,9 +741,9 @@ static DisasterVehicleTickProc * const _disastervehicle_tick_procs[] = {
 };
 
 
-void DisasterVehicle_Tick(Vehicle *v)
+void DisasterVehicle::Tick()
 {
-	_disastervehicle_tick_procs[v->subtype](v);
+	_disastervehicle_tick_procs[this->subtype](this);
 }
 
 

src/roadveh.h

@@ -82,6 +82,7 @@ struct RoadVehicle : public Vehicle {
 	bool IsPrimaryVehicle() const { return IsRoadVehFront(this); }
 	bool HasFront() const { return true; }
 	int GetImage(Direction direction) const;
+	void Tick();
 };
 
 byte GetRoadVehLength(const Vehicle *v);

src/roadveh_cmd.cpp

@@ -1829,11 +1829,11 @@ static void AgeRoadVehCargo(Vehicle *v)
 	v->cargo.AgeCargo();
 }
 
-void RoadVeh_Tick(Vehicle *v)
+void RoadVehicle::Tick()
 {
-	AgeRoadVehCargo(v);
+	AgeRoadVehCargo(this);
 
-	if (IsRoadVehFront(v)) RoadVehController(v);
+	if (IsRoadVehFront(this)) RoadVehController(this);
 }
 
 static void CheckIfRoadVehNeedsService(Vehicle *v)

src/ship.h

@@ -47,6 +47,7 @@ struct Ship: public Vehicle {
 	void PlayLeaveStationSound() const;
 	bool IsPrimaryVehicle() const { return true; }
 	int GetImage(Direction direction) const;
+	void Tick();
 };
 
 #endif /* SHIP_H */

src/ship_cmd.cpp

@@ -787,10 +787,10 @@ static void AgeShipCargo(Vehicle *v)
 	v->cargo.AgeCargo();
 }
 
-void Ship_Tick(Vehicle *v)
+void Ship::Tick()
 {
-	AgeShipCargo(v);
-	ShipController(v);
+	AgeShipCargo(this);
+	ShipController(this);
 }
 
 

src/train.h

@@ -273,6 +273,7 @@ struct Train : public Vehicle {
 	bool IsPrimaryVehicle() const { return IsFrontEngine(this); }
 	bool HasFront() const { return true; }
 	int GetImage(Direction direction) const;
+	void Tick();
 };
 
 #endif /* TRAIN_H */

src/train_cmd.cpp

@@ -3305,24 +3305,24 @@ static void TrainLocoHandler(Vehicle *v, bool mode)
 }
 
 
-void Train_Tick(Vehicle *v)
+void Train::Tick()
 {
-	if (_age_cargo_skip_counter == 0) v->cargo.AgeCargo();
+	if (_age_cargo_skip_counter == 0) this->cargo.AgeCargo();
 
-	v->tick_counter++;
+	this->tick_counter++;
 
-	if (IsFrontEngine(v)) {
-		v->current_order_time++;
+	if (IsFrontEngine(this)) {
+		this->current_order_time++;
 
-		TrainLocoHandler(v, false);
+		TrainLocoHandler(this, false);
 
 		/* make sure vehicle wasn't deleted. */
-		if (v->type == VEH_TRAIN && IsFrontEngine(v))
-			TrainLocoHandler(v, true);
-	} else if (IsFreeWagon(v) && HASBITS(v->vehstatus, VS_CRASHED)) {
+		if (this->type == VEH_TRAIN && IsFrontEngine(this))
+			TrainLocoHandler(this, true);
+	} else if (IsFreeWagon(this) && HASBITS(this->vehstatus, VS_CRASHED)) {
 		/* Delete flooded standalone wagon */
-		if (++v->u.rail.crash_anim_pos >= 4400)
-			DeleteVehicle(v);
+		if (++this->u.rail.crash_anim_pos >= 4400)
+			DeleteVehicle(this);
 	}
 }
 

src/vehicle.cpp

@@ -726,14 +726,6 @@ void DeleteVehicleChain(Vehicle *v)
 	} while (v != NULL);
 }
 
-
-void Aircraft_Tick(Vehicle *v);
-void RoadVeh_Tick(Vehicle *v);
-void Ship_Tick(Vehicle *v);
-void Train_Tick(Vehicle *v);
-static void EffectVehicle_Tick(Vehicle *v);
-void DisasterVehicle_Tick(Vehicle *v);
-
 /** head of the linked list to tell what vehicles that visited a depot in a tick */
 static Vehicle* _first_veh_in_depot_list;
 
@@ -763,16 +755,6 @@ void VehicleEnteredDepotThisTick(Vehicle *v)
 	}
 }
 
-typedef void VehicleTickProc(Vehicle*);
-static VehicleTickProc* _vehicle_tick_procs[] = {
-	Train_Tick,
-	RoadVeh_Tick,
-	Ship_Tick,
-	Aircraft_Tick,
-	EffectVehicle_Tick,
-	DisasterVehicle_Tick,
-};
-
 void CallVehicleTicks()
 {
 	_first_veh_in_depot_list = NULL; // now we are sure it's initialized at the start of each tick
@@ -782,7 +764,7 @@ void CallVehicleTicks()
 
 	Vehicle *v;
 	FOR_ALL_VEHICLES(v) {
-		_vehicle_tick_procs[v->type](v);
+		v->Tick();
 
 		switch (v->type) {
 			default: break;
@@ -1532,9 +1514,9 @@ Vehicle *CreateEffectVehicleRel(const Vehicle *v, int x, int y, int z, EffectVeh
 	return CreateEffectVehicle(v->x_pos + x, v->y_pos + y, v->z_pos + z, type);
 }
 
-static void EffectVehicle_Tick(Vehicle *v)
+void SpecialVehicle::Tick()
 {
-	_effect_tick_procs[v->subtype](v);
+	_effect_tick_procs[this->subtype](this);
 }
 
 Vehicle *CheckClickOnVehicle(const ViewPort *vp, int x, int y)

src/vehicle.h

@@ -427,6 +427,11 @@ struct Vehicle {
 	 * @return the sprite for the given vehicle in the given direction
 	 */
 	virtual int GetImage(Direction direction) const { return 0; }
+
+	/**
+	 * Calls the tick handler of the vehicle
+	 */
+	virtual void Tick() = 0;
 };
 
 /**
@@ -453,6 +458,7 @@ struct SpecialVehicle : public Vehicle {
 
 	const char *GetTypeString() const { return "special vehicle"; }
 	void UpdateDeltaXY(Direction direction);
+	void Tick();
 };
 
 /**
@@ -472,6 +478,7 @@ struct DisasterVehicle : public Vehicle {
 
 	const char *GetTypeString() const { return "disaster vehicle"; }
 	void UpdateDeltaXY(Direction direction);
+	void Tick();
 };
 
 /**
@@ -490,6 +497,7 @@ struct InvalidVehicle : public Vehicle {
 	virtual ~InvalidVehicle() {}
 
 	const char *GetTypeString() const { return "invalid vehicle"; }
+	void Tick() {}
 };
 
 #define is_custom_sprite(x) (x >= 0xFD)