(svn r26863) -Codechange: move a number of Vehicle* functions into the Vehicle class

11 files changed, 81 insertions, 87 deletions

diff --git a/src/aircraft_cmd.cpp b/src/aircraft_cmd.cpp
index 2f49158eb..24a3127e0 100644
--- a/src/aircraft_cmd.cpp
+++ b/src/aircraft_cmd.cpp
@@ -337,8 +337,8 @@ CommandCost CmdBuildAircraft(TileIndex tile, DoCommandFlag flags, const Engine *
 
 		UpdateAircraftCache(v, true);
 
-		VehicleUpdatePosition(v);
-		VehicleUpdatePosition(u);
+		v->UpdatePosition();
+		u->UpdatePosition();
 
 		/* Aircraft with 3 vehicles (chopper)? */
 		if (v->subtype == AIR_HELICOPTER) {
@@ -359,7 +359,7 @@ CommandCost CmdBuildAircraft(TileIndex tile, DoCommandFlag flags, const Engine *
 			w->UpdateDeltaXY(INVALID_DIR);
 
 			u->SetNext(w);
-			VehicleUpdatePosition(w);
+			w->UpdatePosition();
 		}
 	}
 
@@ -487,7 +487,7 @@ static void HelicopterTickHandler(Aircraft *v)
 
 	u->cur_image = img;
 
-	VehicleUpdatePositionAndViewport(u);
+	u->UpdatePositionAndViewport();
 }
 
 /**
@@ -503,7 +503,7 @@ void SetAircraftPosition(Aircraft *v, int x, int y, int z)
 	v->y_pos = y;
 	v->z_pos = z;
 
-	VehicleUpdatePosition(v);
+	v->UpdatePosition();
 	v->UpdateViewport(true, false);
 	if (v->subtype == AIR_HELICOPTER) v->Next()->Next()->cur_image = GetRotorImage(v, EIT_ON_MAP);
 
@@ -518,7 +518,7 @@ void SetAircraftPosition(Aircraft *v, int x, int y, int z)
 	u->z_pos = GetSlopePixelZ(safe_x, safe_y);
 	u->cur_image = v->cur_image;
 
-	VehicleUpdatePositionAndViewport(u);
+	u->UpdatePositionAndViewport();
 
 	u = u->Next();
 	if (u != NULL) {
@@ -526,7 +526,7 @@ void SetAircraftPosition(Aircraft *v, int x, int y, int z)
 		u->y_pos = y;
 		u->z_pos = z + ROTOR_Z_OFFSET;
 
-		VehicleUpdatePositionAndViewport(u);
+		u->UpdatePositionAndViewport();
 	}
 }
 
diff --git a/src/articulated_vehicles.cpp b/src/articulated_vehicles.cpp
index c000da03b..193c5ac4a 100644
--- a/src/articulated_vehicles.cpp
+++ b/src/articulated_vehicles.cpp
@@ -445,6 +445,6 @@ void AddArticulatedParts(Vehicle *first)
 
 		if (flip_image) v->spritenum++;
 
-		VehicleUpdatePosition(v);
+		v->UpdatePosition();
 	}
 }
diff --git a/src/disaster_cmd.cpp b/src/disaster_cmd.cpp
index 1be0f217a..1ddfbd95c 100644
--- a/src/disaster_cmd.cpp
+++ b/src/disaster_cmd.cpp
@@ -151,7 +151,7 @@ static void InitializeDisasterVehicle(DisasterVehicle *v, int x, int y, int z, D
 	v->current_order.Free();
 
 	DisasterVehicleUpdateImage(v);
-	VehicleUpdatePositionAndViewport(v);
+	v->UpdatePositionAndViewport();
 }
 
 static void SetDisasterVehiclePos(DisasterVehicle *v, int x, int y, int z)
@@ -162,7 +162,7 @@ static void SetDisasterVehiclePos(DisasterVehicle *v, int x, int y, int z)
 	v->tile = TileVirtXY(x, y);
 
 	DisasterVehicleUpdateImage(v);
-	VehicleUpdatePositionAndViewport(v);
+	v->UpdatePositionAndViewport();
 
 	DisasterVehicle *u = v->Next();
 	if (u != NULL) {
@@ -176,13 +176,13 @@ static void SetDisasterVehiclePos(DisasterVehicle *v, int x, int y, int z)
 		u->direction = v->direction;
 
 		DisasterVehicleUpdateImage(u);
-		VehicleUpdatePositionAndViewport(u);
+		u->UpdatePositionAndViewport();
 
 		if ((u = u->Next()) != NULL) {
 			u->x_pos = x;
 			u->y_pos = y;
 			u->z_pos = z + 5;
-			VehicleUpdatePositionAndViewport(u);
+			u->UpdatePositionAndViewport();
 		}
 	}
 }
@@ -476,7 +476,7 @@ static bool DisasterTick_Helicopter_Rotors(DisasterVehicle *v)
 
 	if (++v->cur_image > SPR_ROTOR_MOVING_3) v->cur_image = SPR_ROTOR_MOVING_1;
 
-	VehicleUpdatePositionAndViewport(v);
+	v->UpdatePositionAndViewport();
 
 	return true;
 }
diff --git a/src/effectvehicle.cpp b/src/effectvehicle.cpp
index 48f3e6cdf..209b78d2e 100644
--- a/src/effectvehicle.cpp
+++ b/src/effectvehicle.cpp
@@ -46,7 +46,7 @@ static bool ChimneySmokeTick(EffectVehicle *v)
 			v->cur_image = SPR_CHIMNEY_SMOKE_0;
 		}
 		v->progress = 7;
-		VehicleUpdatePositionAndViewport(v);
+		v->UpdatePositionAndViewport();
 	}
 
 	return true;
@@ -79,7 +79,7 @@ static bool SteamSmokeTick(EffectVehicle *v)
 		moved = true;
 	}
 
-	if (moved) VehicleUpdatePositionAndViewport(v);
+	if (moved) v->UpdatePositionAndViewport();
 
 	return true;
 }
@@ -96,11 +96,11 @@ static bool DieselSmokeTick(EffectVehicle *v)
 
 	if ((v->progress & 3) == 0) {
 		v->z_pos++;
-		VehicleUpdatePositionAndViewport(v);
+		v->UpdatePositionAndViewport();
 	} else if ((v->progress & 7) == 1) {
 		if (v->cur_image != SPR_DIESEL_SMOKE_5) {
 			v->cur_image++;
-			VehicleUpdatePositionAndViewport(v);
+			v->UpdatePositionAndViewport();
 		} else {
 			delete v;
 			return false;
@@ -124,7 +124,7 @@ static bool ElectricSparkTick(EffectVehicle *v)
 		v->progress = 0;
 		if (v->cur_image != SPR_ELECTRIC_SPARK_5) {
 			v->cur_image++;
-			VehicleUpdatePositionAndViewport(v);
+			v->UpdatePositionAndViewport();
 		} else {
 			delete v;
 			return false;
@@ -161,7 +161,7 @@ static bool SmokeTick(EffectVehicle *v)
 		moved = true;
 	}
 
-	if (moved) VehicleUpdatePositionAndViewport(v);
+	if (moved) v->UpdatePositionAndViewport();
 
 	return true;
 }
@@ -178,7 +178,7 @@ static bool ExplosionLargeTick(EffectVehicle *v)
 	if ((v->progress & 3) == 0) {
 		if (v->cur_image != SPR_EXPLOSION_LARGE_F) {
 			v->cur_image++;
-			VehicleUpdatePositionAndViewport(v);
+			v->UpdatePositionAndViewport();
 		} else {
 			delete v;
 			return false;
@@ -203,7 +203,7 @@ static bool BreakdownSmokeTick(EffectVehicle *v)
 		} else {
 			v->cur_image = SPR_BREAKDOWN_SMOKE_0;
 		}
-		VehicleUpdatePositionAndViewport(v);
+		v->UpdatePositionAndViewport();
 	}
 
 	v->animation_state--;
@@ -227,7 +227,7 @@ static bool ExplosionSmallTick(EffectVehicle *v)
 	if ((v->progress & 3) == 0) {
 		if (v->cur_image != SPR_EXPLOSION_SMALL_B) {
 			v->cur_image++;
-			VehicleUpdatePositionAndViewport(v);
+			v->UpdatePositionAndViewport();
 		} else {
 			delete v;
 			return false;
@@ -304,7 +304,7 @@ static bool BulldozerTick(EffectVehicle *v)
 				return false;
 			}
 		}
-		VehicleUpdatePositionAndViewport(v);
+		v->UpdatePositionAndViewport();
 	}
 
 	return true;
@@ -477,7 +477,7 @@ static bool BubbleTick(EffectVehicle *v)
 	if (v->spritenum == 0) {
 		v->cur_image++;
 		if (v->cur_image < SPR_BUBBLE_GENERATE_3) {
-			VehicleUpdatePositionAndViewport(v);
+			v->UpdatePositionAndViewport();
 			return true;
 		}
 		if (v->animation_substate != 0) {
@@ -523,7 +523,7 @@ static bool BubbleTick(EffectVehicle *v)
 	v->z_pos += b->z;
 	v->cur_image = SPR_BUBBLE_0 + b->image;
 
-	VehicleUpdatePositionAndViewport(v);
+	v->UpdatePositionAndViewport();
 
 	return true;
 }
@@ -607,7 +607,7 @@ EffectVehicle *CreateEffectVehicle(int x, int y, int z, EffectVehicleType type)
 
 	_effect_init_procs[type](v);
 
-	VehicleUpdatePositionAndViewport(v);
+	v->UpdatePositionAndViewport();
 
 	return v;
 }
diff --git a/src/roadveh_cmd.cpp b/src/roadveh_cmd.cpp
index b3310af10..4e034b1f4 100644
--- a/src/roadveh_cmd.cpp
+++ b/src/roadveh_cmd.cpp
@@ -329,7 +329,7 @@ CommandCost CmdBuildRoadVehicle(TileIndex tile, DoCommandFlag flags, const Engin
 		/* Initialize cached values for realistic acceleration. */
 		if (_settings_game.vehicle.roadveh_acceleration_model != AM_ORIGINAL) v->CargoChanged();
 
-		VehicleUpdatePosition(v);
+		v->UpdatePosition();
 
 		CheckConsistencyOfArticulatedVehicle(v);
 	}
@@ -1017,7 +1017,7 @@ static bool RoadVehLeaveDepot(RoadVehicle *v, bool first)
 
 	v->x_pos = x;
 	v->y_pos = y;
-	VehicleUpdatePosition(v);
+	v->UpdatePosition();
 	v->UpdateInclination(true, true);
 
 	InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);
@@ -1146,15 +1146,15 @@ bool IndividualRoadVehicleController(RoadVehicle *v, const RoadVehicle *prev)
 			/* Vehicle has just entered a bridge or tunnel */
 			v->x_pos = gp.x;
 			v->y_pos = gp.y;
-			VehicleUpdatePosition(v);
+			v->UpdatePosition();
 			v->UpdateInclination(true, true);
 			return true;
 		}
 
 		v->x_pos = gp.x;
 		v->y_pos = gp.y;
-		VehicleUpdatePosition(v);
-		if ((v->vehstatus & VS_HIDDEN) == 0) VehicleUpdateViewport(v, true);
+		v->UpdatePosition();
+		if ((v->vehstatus & VS_HIDDEN) == 0) v->Vehicle::UpdateViewport(true);
 		return true;
 	}
 
@@ -1303,7 +1303,7 @@ again:
 		}
 		v->x_pos = x;
 		v->y_pos = y;
-		VehicleUpdatePosition(v);
+		v->UpdatePosition();
 		RoadZPosAffectSpeed(v, v->UpdateInclination(true, true));
 		return true;
 	}
@@ -1369,7 +1369,7 @@ again:
 
 		v->x_pos = x;
 		v->y_pos = y;
-		VehicleUpdatePosition(v);
+		v->UpdatePosition();
 		RoadZPosAffectSpeed(v, v->UpdateInclination(true, true));
 		return true;
 	}
@@ -1457,7 +1457,7 @@ again:
 					v->frame++;
 					v->x_pos = x;
 					v->y_pos = y;
-					VehicleUpdatePosition(v);
+					v->UpdatePosition();
 					RoadZPosAffectSpeed(v, v->UpdateInclination(true, false));
 					return true;
 				}
@@ -1506,7 +1506,7 @@ again:
 	if (!HasBit(r, VETS_ENTERED_WORMHOLE)) v->frame++;
 	v->x_pos = x;
 	v->y_pos = y;
-	VehicleUpdatePosition(v);
+	v->UpdatePosition();
 	RoadZPosAffectSpeed(v, v->UpdateInclination(false, true));
 	return true;
 }
diff --git a/src/saveload/vehicle_sl.cpp b/src/saveload/vehicle_sl.cpp
index 453210baa..40f73bdba 100644
--- a/src/saveload/vehicle_sl.cpp
+++ b/src/saveload/vehicle_sl.cpp
@@ -459,8 +459,8 @@ void AfterLoadVehicles(bool part_of_load)
 
 		v->UpdateDeltaXY(v->direction);
 		v->coord.left = INVALID_COORD;
-		VehicleUpdatePosition(v);
-		VehicleUpdateViewport(v, false);
+		v->UpdatePosition();
+		v->UpdateViewport(false);
 	}
 }
 
diff --git a/src/ship_cmd.cpp b/src/ship_cmd.cpp
index 4fcda7c27..fddff0b4f 100644
--- a/src/ship_cmd.cpp
+++ b/src/ship_cmd.cpp
@@ -625,8 +625,8 @@ static void ShipController(Ship *v)
 		if (!IsTileType(gp.new_tile, MP_TUNNELBRIDGE) || !HasBit(VehicleEnterTile(v, gp.new_tile, gp.x, gp.y), VETS_ENTERED_WORMHOLE)) {
 			v->x_pos = gp.x;
 			v->y_pos = gp.y;
-			VehicleUpdatePosition(v);
-			if ((v->vehstatus & VS_HIDDEN) == 0) VehicleUpdateViewport(v, true);
+			v->UpdatePosition();
+			if ((v->vehstatus & VS_HIDDEN) == 0) v->Vehicle::UpdateViewport(true);
 			return;
 		}
 	}
@@ -638,7 +638,7 @@ static void ShipController(Ship *v)
 	v->z_pos = GetSlopePixelZ(gp.x, gp.y);
 
 getout:
-	VehicleUpdatePosition(v);
+	v->UpdatePosition();
 	v->UpdateViewport(true, true);
 	return;
 
@@ -722,7 +722,7 @@ CommandCost CmdBuildShip(TileIndex tile, DoCommandFlag flags, const Engine *e, u
 
 		v->InvalidateNewGRFCacheOfChain();
 
-		VehicleUpdatePosition(v);
+		v->UpdatePosition();
 	}
 
 	return CommandCost();
diff --git a/src/train_cmd.cpp b/src/train_cmd.cpp
index 30ec1143d..db4b852b6 100644
--- a/src/train_cmd.cpp
+++ b/src/train_cmd.cpp
@@ -642,7 +642,7 @@ static CommandCost CmdBuildRailWagon(TileIndex tile, DoCommandFlag flags, const
 
 		_new_vehicle_id = v->index;
 
-		VehicleUpdatePosition(v);
+		v->UpdatePosition();
 		v->First()->ConsistChanged(CCF_ARRANGE);
 		UpdateTrainGroupID(v->First());
 
@@ -705,7 +705,7 @@ static void AddRearEngineToMultiheadedTrain(Train *v)
 	v->SetMultiheaded();
 	u->SetMultiheaded();
 	v->SetNext(u);
-	VehicleUpdatePosition(u);
+	u->UpdatePosition();
 
 	/* Now we need to link the front and rear engines together */
 	v->other_multiheaded_part = u;
@@ -777,7 +777,7 @@ CommandCost CmdBuildRailVehicle(TileIndex tile, DoCommandFlag flags, const Engin
 		v->SetFrontEngine();
 		v->SetEngine();
 
-		VehicleUpdatePosition(v);
+		v->UpdatePosition();
 
 		if (rvi->railveh_type == RAILVEH_MULTIHEAD) {
 			AddRearEngineToMultiheadedTrain(v);
@@ -1565,14 +1565,14 @@ static void UpdateStatusAfterSwap(Train *v)
 				/* We have just left the wormhole, possibly set the
 				 * "goingdown" bit. UpdateInclination() can be used
 				 * because we are at the border of the tile. */
-				VehicleUpdatePosition(v);
+				v->UpdatePosition();
 				v->UpdateInclination(true, true);
 				return;
 			}
 		}
 	}
 
-	VehicleUpdatePosition(v);
+	v->UpdatePosition();
 	v->UpdateViewport(true, true);
 }
 
@@ -2183,7 +2183,7 @@ static bool CheckTrainStayInDepot(Train *v)
 	v->cur_speed = 0;
 
 	v->UpdateViewport(true, true);
-	VehicleUpdatePosition(v);
+	v->UpdatePosition();
 	UpdateSignalsOnSegment(v->tile, INVALID_DIAGDIR, v->owner);
 	v->UpdateAcceleration();
 	InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);
@@ -3334,8 +3334,8 @@ bool TrainController(Train *v, Vehicle *nomove, bool reverse)
 			} else {
 				v->x_pos = gp.x;
 				v->y_pos = gp.y;
-				VehicleUpdatePosition(v);
-				if ((v->vehstatus & VS_HIDDEN) == 0) VehicleUpdateViewport(v, true);
+				v->UpdatePosition();
+				if ((v->vehstatus & VS_HIDDEN) == 0) v->Vehicle::UpdateViewport(true);
 				continue;
 			}
 		}
@@ -3345,7 +3345,7 @@ bool TrainController(Train *v, Vehicle *nomove, bool reverse)
 
 		v->x_pos = gp.x;
 		v->y_pos = gp.y;
-		VehicleUpdatePosition(v);
+		v->UpdatePosition();
 
 		/* update the Z position of the vehicle */
 		int old_z = v->UpdateInclination(gp.new_tile != gp.old_tile, false);
@@ -3515,7 +3515,7 @@ static void ChangeTrainDirRandomly(Train *v)
 			 * a bridge, because UpdateInclination() will put the vehicle under
 			 * the bridge in that case */
 			if (v->track != TRACK_BIT_WORMHOLE) {
-				VehicleUpdatePosition(v);
+				v->UpdatePosition();
 				v->UpdateInclination(false, false);
 			}
 		}
diff --git a/src/vehicle.cpp b/src/vehicle.cpp
index b6e5d6d8c..118ceed27 100644
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -206,7 +206,7 @@ uint Vehicle::Crash(bool flooded)
 		/* We do not transfer reserver cargo back, so TotalCount() instead of StoredCount() */
 		if (IsCargoInClass(v->cargo_type, CC_PASSENGERS)) pass += v->cargo.TotalCount();
 		v->vehstatus |= VS_CRASHED;
-		MarkSingleVehicleDirty(v);
+		v->MarkAllViewportsDirty();
 	}
 
 	/* Dirty some windows */
@@ -809,7 +809,7 @@ Vehicle::~Vehicle()
 
 	/* sometimes, eg. for disaster vehicles, when company bankrupts, when removing crashed/flooded vehicles,
 	 * it may happen that vehicle chain is deleted when visible */
-	if (!(this->vehstatus & VS_HIDDEN)) MarkSingleVehicleDirty(this);
+	if (!(this->vehstatus & VS_HIDDEN)) this->MarkAllViewportsDirty();
 
 	Vehicle *v = this->Next();
 	this->SetNext(NULL);
@@ -1464,45 +1464,43 @@ void VehicleEnterDepot(Vehicle *v)
 /**
  * Update the position of the vehicle. This will update the hash that tells
  *  which vehicles are on a tile.
- * @param v The vehicle to update.
  */
-void VehicleUpdatePosition(Vehicle *v)
+void Vehicle::UpdatePosition()
 {
-	UpdateVehicleTileHash(v, false);
+	UpdateVehicleTileHash(this, false);
 }
 
 /**
  * Update the vehicle on the viewport, updating the right hash and setting the
  *  new coordinates.
- * @param v The vehicle to update.
  * @param dirty Mark the (new and old) coordinates of the vehicle as dirty.
  */
-void VehicleUpdateViewport(Vehicle *v, bool dirty)
+void Vehicle::UpdateViewport(bool dirty)
 {
-	int img = v->cur_image;
-	Point pt = RemapCoords(v->x_pos + v->x_offs, v->y_pos + v->y_offs, v->z_pos);
+	int img = this->cur_image;
+	Point pt = RemapCoords(this->x_pos + this->x_offs, this->y_pos + this->y_offs, this->z_pos);
 	const Sprite *spr = GetSprite(img, ST_NORMAL);
 
 	pt.x += spr->x_offs;
 	pt.y += spr->y_offs;
 
-	UpdateVehicleViewportHash(v, pt.x, pt.y);
+	UpdateVehicleViewportHash(this, pt.x, pt.y);
 
-	Rect old_coord = v->coord;
-	v->coord.left   = pt.x;
-	v->coord.top    = pt.y;
-	v->coord.right  = pt.x + spr->width + 2 * ZOOM_LVL_BASE;
-	v->coord.bottom = pt.y + spr->height + 2 * ZOOM_LVL_BASE;
+	Rect old_coord = this->coord;
+	this->coord.left   = pt.x;
+	this->coord.top    = pt.y;
+	this->coord.right  = pt.x + spr->width + 2 * ZOOM_LVL_BASE;
+	this->coord.bottom = pt.y + spr->height + 2 * ZOOM_LVL_BASE;
 
 	if (dirty) {
 		if (old_coord.left == INVALID_COORD) {
-			MarkSingleVehicleDirty(v);
+			this->MarkAllViewportsDirty();
 		} else {
-			MarkAllViewportsDirty(
-				min(old_coord.left,   v->coord.left),
-				min(old_coord.top,    v->coord.top),
-				max(old_coord.right,  v->coord.right) + 1 * ZOOM_LVL_BASE,
-				max(old_coord.bottom, v->coord.bottom) + 1 * ZOOM_LVL_BASE
+			::MarkAllViewportsDirty(
+				min(old_coord.left,   this->coord.left),
+				min(old_coord.top,    this->coord.top),
+				max(old_coord.right,  this->coord.right) + 1 * ZOOM_LVL_BASE,
+				max(old_coord.bottom, this->coord.bottom) + 1 * ZOOM_LVL_BASE
 			);
 		}
 	}
@@ -1510,21 +1508,19 @@ void VehicleUpdateViewport(Vehicle *v, bool dirty)
 
 /**
  * Update the position of the vehicle, and update the viewport.
- * @param v The vehicle to update.
  */
-void VehicleUpdatePositionAndViewport(Vehicle *v)
+void Vehicle::UpdatePositionAndViewport()
 {
-	VehicleUpdatePosition(v);
-	VehicleUpdateViewport(v, true);
+	this->UpdatePosition();
+	this->UpdateViewport(true);
 }
 
 /**
  * Marks viewports dirty where the vehicle's image is.
- * @param v vehicle to mark dirty
  */
-void MarkSingleVehicleDirty(const Vehicle *v)
+void Vehicle::MarkAllViewportsDirty() const
 {
-	MarkAllViewportsDirty(v->coord.left, v->coord.top, v->coord.right + 1 * ZOOM_LVL_BASE, v->coord.bottom + 1 * ZOOM_LVL_BASE);
+	::MarkAllViewportsDirty(this->coord.left, this->coord.top, this->coord.right + 1 * ZOOM_LVL_BASE, this->coord.bottom + 1 * ZOOM_LVL_BASE);
 }
 
 /**
diff --git a/src/vehicle_base.h b/src/vehicle_base.h
index 6c2d16dfc..26a76dc85 100644
--- a/src/vehicle_base.h
+++ b/src/vehicle_base.h
@@ -696,6 +696,11 @@ public:
 	void UpdateVisualEffect(bool allow_power_change = true);
 	void ShowVisualEffect() const;
 
+	void UpdatePosition();
+	void UpdateViewport(bool dirty);
+	void UpdatePositionAndViewport();
+	void MarkAllViewportsDirty() const;
+
 	inline uint16 GetServiceInterval() const { return this->service_interval; }
 
 	inline void SetServiceInterval(uint16 interval) { this->service_interval = interval; }
@@ -1067,14 +1072,12 @@ struct SpecializedVehicle : public Vehicle {
 	 */
 	inline void UpdateViewport(bool force_update, bool update_delta)
 	{
-		extern void VehicleUpdateViewport(Vehicle *v, bool dirty);
-
 		/* Explicitly choose method to call to prevent vtable dereference -
 		 * it gives ~3% runtime improvements in games with many vehicles */
 		if (update_delta) ((T *)this)->T::UpdateDeltaXY(this->direction);
 		SpriteID old_image = this->cur_image;
 		this->cur_image = ((T *)this)->T::GetImage(this->direction, EIT_ON_MAP);
-		if (force_update || this->cur_image != old_image) VehicleUpdateViewport(this, true);
+		if (force_update || this->cur_image != old_image) this->Vehicle::UpdateViewport(true);
 	}
 };
 
diff --git a/src/vehicle_func.h b/src/vehicle_func.h
index 757f1b6e6..9eb6b9121 100644
--- a/src/vehicle_func.h
+++ b/src/vehicle_func.h
@@ -67,11 +67,6 @@ void CheckVehicleBreakdown(Vehicle *v);
 void AgeVehicle(Vehicle *v);
 void VehicleEnteredDepotThisTick(Vehicle *v);
 
-void VehicleUpdatePosition(Vehicle *v);
-void VehicleUpdateViewport(Vehicle *v, bool dirty);
-void VehicleUpdatePositionAndViewport(Vehicle *v);
-void MarkSingleVehicleDirty(const Vehicle *v);
-
 UnitID GetFreeUnitNumber(VehicleType type);
 
 void VehicleEnterDepot(Vehicle *v);