--- a/src/industry_cmd.cpp	Sun Apr 20 09:43:30 2008 +0000
+++ b/src/industry_cmd.cpp	Sun Apr 20 10:13:54 2008 +0000
@@ -702,7 +702,7 @@
 		EV_BUBBLE
 	);
 
-	if (v != NULL) v->u.special.animation_substate = dir;
+	if (v != NULL) v->u.effect.animation_substate = dir;
 }
 
 static void TileLoop_Industry(TileIndex tile)

--- a/src/oldloader.cpp	Sun Apr 20 09:43:30 2008 +0000
+++ b/src/oldloader.cpp	Sun Apr 20 10:13:54 2008 +0000
@@ -1086,9 +1086,9 @@
 	OCL_END()
 };
 
-static const OldChunks vehicle_special_chunk[] = {
-	OCL_SVAR( OC_UINT16, VehicleSpecial, animation_state ),
-	OCL_SVAR(  OC_UINT8, VehicleSpecial, animation_substate ),
+static const OldChunks vehicle_effect_chunk[] = {
+	OCL_SVAR( OC_UINT16, VehicleEffect, animation_state ),
+	OCL_SVAR(  OC_UINT8, VehicleEffect, animation_substate ),
 
 	OCL_NULL( 7 ), // Junk
 
@@ -1123,7 +1123,7 @@
 		case VEH_ROAD    : res = LoadChunk(ls, &v->u.road,     vehicle_road_chunk);     break;
 		case VEH_SHIP    : res = LoadChunk(ls, &v->u.ship,     vehicle_ship_chunk);     break;
 		case VEH_AIRCRAFT: res = LoadChunk(ls, &v->u.air,      vehicle_air_chunk);      break;
-		case VEH_SPECIAL : res = LoadChunk(ls, &v->u.special,  vehicle_special_chunk);  break;
+		case VEH_EFFECT  : res = LoadChunk(ls, &v->u.effect,   vehicle_effect_chunk);   break;
 		case VEH_DISASTER: res = LoadChunk(ls, &v->u.disaster, vehicle_disaster_chunk); break;
 	}
 
@@ -1236,7 +1236,7 @@
 			case 0x11 /*VEH_ROAD    */: v = new (_current_vehicle_id) RoadVehicle();     break;
 			case 0x12 /*VEH_SHIP    */: v = new (_current_vehicle_id) Ship();            break;
 			case 0x13 /*VEH_AIRCRAFT*/: v = new (_current_vehicle_id) Aircraft();        break;
-			case 0x14 /*VEH_SPECIAL */: v = new (_current_vehicle_id) SpecialVehicle();  break;
+			case 0x14 /*VEH_EFFECT  */: v = new (_current_vehicle_id) EffectVehicle();   break;
 			case 0x15 /*VEH_DISASTER*/: v = new (_current_vehicle_id) DisasterVehicle(); break;
 		}
 		if (!LoadChunk(ls, v, vehicle_chunk)) return false;
@@ -1270,7 +1270,7 @@
 		v->name = CopyFromOldName(_old_string_id);
 
 		/* Vehicle-subtype is different in TTD(Patch) */
-		if (v->type == VEH_SPECIAL) v->subtype = v->subtype >> 1;
+		if (v->type == VEH_EFFECT) v->subtype = v->subtype >> 1;
 
 		if (_cargo_count != 0) {
 			CargoPacket *cp = new CargoPacket((_cargo_source == 0xFF) ? INVALID_STATION : _cargo_source, _cargo_count);

--- a/src/roadveh_cmd.cpp	Sun Apr 20 09:43:30 2008 +0000
+++ b/src/roadveh_cmd.cpp	Sun Apr 20 10:13:54 2008 +0000
@@ -704,7 +704,7 @@
 
 		if (!(v->vehstatus & VS_HIDDEN)) {
 			Vehicle *u = CreateEffectVehicleRel(v, 4, 4, 5, EV_BREAKDOWN_SMOKE);
-			if (u != NULL) u->u.special.animation_state = v->breakdown_delay * 2;
+			if (u != NULL) u->u.effect.animation_state = v->breakdown_delay * 2;
 		}
 	}
 

--- a/src/ship_cmd.cpp	Sun Apr 20 09:43:30 2008 +0000
+++ b/src/ship_cmd.cpp	Sun Apr 20 10:13:54 2008 +0000
@@ -210,7 +210,7 @@
 
 		if (!(v->vehstatus & VS_HIDDEN)) {
 			Vehicle *u = CreateEffectVehicleRel(v, 4, 4, 5, EV_BREAKDOWN_SMOKE);
-			if (u != NULL) u->u.special.animation_state = v->breakdown_delay * 2;
+			if (u != NULL) u->u.effect.animation_state = v->breakdown_delay * 2;
 		}
 	}
 

--- a/src/smallmap_gui.cpp	Sun Apr 20 09:43:30 2008 +0000
+++ b/src/smallmap_gui.cpp	Sun Apr 20 10:13:54 2008 +0000
@@ -682,7 +682,7 @@
 		byte color;
 
 		FOR_ALL_VEHICLES(v) {
-			if (v->type != VEH_SPECIAL &&
+			if (v->type != VEH_EFFECT &&
 					(v->vehstatus & (VS_HIDDEN | VS_UNCLICKABLE)) == 0) {
 				/* Remap into flat coordinates. */
 				Point pt = RemapCoords(

--- a/src/train_cmd.cpp	Sun Apr 20 09:43:30 2008 +0000
+++ b/src/train_cmd.cpp	Sun Apr 20 10:13:54 2008 +0000
@@ -3237,7 +3237,7 @@
 
 		if (!(v->vehstatus & VS_HIDDEN)) {
 			Vehicle *u = CreateEffectVehicleRel(v, 4, 4, 5, EV_BREAKDOWN_SMOKE);
-			if (u != NULL) u->u.special.animation_state = v->breakdown_delay * 2;
+			if (u != NULL) u->u.effect.animation_state = v->breakdown_delay * 2;
 		}
 	}
 

--- a/src/vehicle.cpp	Sun Apr 20 09:43:30 2008 +0000
+++ b/src/vehicle.cpp	Sun Apr 20 10:13:54 2008 +0000
@@ -1044,8 +1044,8 @@
 		EndVehicleMove(v);
 	}
 
-	v->u.special.animation_state--;
-	if (v->u.special.animation_state == 0) {
+	v->u.effect.animation_state--;
+	if (v->u.effect.animation_state == 0) {
 		BeginVehicleMove(v);
 		EndVehicleMove(v);
 		delete v;
@@ -1078,8 +1078,8 @@
 {
 	v->cur_image = SPR_BULLDOZER_NE;
 	v->progress = 0;
-	v->u.special.animation_state = 0;
-	v->u.special.animation_substate = 0;
+	v->u.effect.animation_state = 0;
+	v->u.effect.animation_substate = 0;
 }
 
 struct BulldozerMovement {
@@ -1125,7 +1125,7 @@
 {
 	v->progress++;
 	if ((v->progress & 7) == 0) {
-		const BulldozerMovement* b = &_bulldozer_movement[v->u.special.animation_state];
+		const BulldozerMovement* b = &_bulldozer_movement[v->u.effect.animation_state];
 
 		BeginVehicleMove(v);
 
@@ -1134,11 +1134,11 @@
 		v->x_pos += _inc_by_dir[b->direction].x;
 		v->y_pos += _inc_by_dir[b->direction].y;
 
-		v->u.special.animation_substate++;
-		if (v->u.special.animation_substate >= b->duration) {
-			v->u.special.animation_substate = 0;
-			v->u.special.animation_state++;
-			if (v->u.special.animation_state == lengthof(_bulldozer_movement)) {
+		v->u.effect.animation_substate++;
+		if (v->u.effect.animation_substate >= b->duration) {
+			v->u.effect.animation_substate = 0;
+			v->u.effect.animation_state++;
+			if (v->u.effect.animation_state == lengthof(_bulldozer_movement)) {
 				EndVehicleMove(v);
 				delete v;
 				return;
@@ -1328,7 +1328,7 @@
 			EndVehicleMove(v);
 			return;
 		}
-		if (v->u.special.animation_substate != 0) {
+		if (v->u.effect.animation_substate != 0) {
 			v->spritenum = GB(InteractiveRandom(), 0, 2) + 1;
 		} else {
 			v->spritenum = 6;
@@ -1407,9 +1407,9 @@
 };
 
 
-Vehicle *CreateEffectVehicle(int x, int y, int z, EffectVehicle type)
+Vehicle *CreateEffectVehicle(int x, int y, int z, EffectVehicleType type)
 {
-	Vehicle *v = new SpecialVehicle();
+	Vehicle *v = new EffectVehicle();
 	if (v != NULL) {
 		v->subtype = type;
 		v->x_pos = x;
@@ -1428,19 +1428,19 @@
 	return v;
 }
 
-Vehicle *CreateEffectVehicleAbove(int x, int y, int z, EffectVehicle type)
+Vehicle *CreateEffectVehicleAbove(int x, int y, int z, EffectVehicleType type)
 {
 	int safe_x = Clamp(x, 0, MapMaxX() * TILE_SIZE);
 	int safe_y = Clamp(y, 0, MapMaxY() * TILE_SIZE);
 	return CreateEffectVehicle(x, y, GetSlopeZ(safe_x, safe_y) + z, type);
 }
 
-Vehicle *CreateEffectVehicleRel(const Vehicle *v, int x, int y, int z, EffectVehicle type)
+Vehicle *CreateEffectVehicleRel(const Vehicle *v, int x, int y, int z, EffectVehicleType type)
 {
 	return CreateEffectVehicle(v->x_pos + x, v->y_pos + y, v->z_pos + z, type);
 }
 
-void SpecialVehicle::Tick()
+void EffectVehicle::Tick()
 {
 	_effect_tick_procs[this->subtype](this);
 }
@@ -2498,7 +2498,7 @@
 			/* Vehicle is turning around, get the direction from vehicle's direction */
 			return DiagdirToDiagTrackdir(DirToDiagDir(v->direction));
 
-		/* case VEH_AIRCRAFT: case VEH_SPECIAL: case VEH_DISASTER: */
+		/* case VEH_AIRCRAFT: case VEH_EFFECT: case VEH_DISASTER: */
 		default: return INVALID_TRACKDIR;
 	}
 }
@@ -2955,7 +2955,7 @@
 };
 
 static const SaveLoad _special_desc[] = {
-	SLE_WRITEBYTE(Vehicle, type, VEH_SPECIAL),
+	SLE_WRITEBYTE(Vehicle, type, VEH_EFFECT),
 
 	    SLE_VAR(Vehicle, subtype,       SLE_UINT8),
 
@@ -2973,8 +2973,8 @@
 	    SLE_VAR(Vehicle, progress,      SLE_UINT8),
 	    SLE_VAR(Vehicle, vehstatus,     SLE_UINT8),
 
-	    SLE_VARX(cpp_offsetof(Vehicle, u) + cpp_offsetof(VehicleSpecial, animation_state),    SLE_UINT16),
-	    SLE_VARX(cpp_offsetof(Vehicle, u) + cpp_offsetof(VehicleSpecial, animation_substate), SLE_UINT8),
+	    SLE_VARX(cpp_offsetof(Vehicle, u) + cpp_offsetof(VehicleEffect, animation_state),    SLE_UINT16),
+	    SLE_VARX(cpp_offsetof(Vehicle, u) + cpp_offsetof(VehicleEffect, animation_substate), SLE_UINT8),
 
 	/* reserve extra space in savegame here. (currently 16 bytes) */
 	SLE_CONDNULL(16, 2, SL_MAX_VERSION),
@@ -3062,7 +3062,7 @@
 			case VEH_ROAD:     v = new (index) RoadVehicle();     break;
 			case VEH_SHIP:     v = new (index) Ship();            break;
 			case VEH_AIRCRAFT: v = new (index) Aircraft();        break;
-			case VEH_SPECIAL:  v = new (index) SpecialVehicle();  break;
+			case VEH_EFFECT:   v = new (index) EffectVehicle();   break;
 			case VEH_DISASTER: v = new (index) DisasterVehicle(); break;
 			case VEH_INVALID:  v = new (index) InvalidVehicle();  break;
 			default: NOT_REACHED();
@@ -3282,7 +3282,7 @@
 	}
 }
 
-void SpecialVehicle::UpdateDeltaXY(Direction direction)
+void EffectVehicle::UpdateDeltaXY(Direction direction)
 {
 	this->x_offs        = 0;
 	this->y_offs        = 0;

--- a/src/vehicle_base.h	Sun Apr 20 09:43:30 2008 +0000
+++ b/src/vehicle_base.h	Sun Apr 20 10:13:54 2008 +0000
@@ -169,7 +169,7 @@
 	RoadTypes compatible_roadtypes;
 };
 
-struct VehicleSpecial {
+struct VehicleEffect {
 	uint16 animation_state;
 	byte animation_substate;
 };
@@ -313,7 +313,7 @@
 		VehicleRail rail;
 		VehicleAir air;
 		VehicleRoad road;
-		VehicleSpecial special;
+		VehicleEffect effect;
 		VehicleDisaster disaster;
 		VehicleShip ship;
 	} u;
@@ -547,12 +547,12 @@
  *  - bulldozer (road works)
  *  - bubbles (industry)
  */
-struct SpecialVehicle : public Vehicle {
+struct EffectVehicle : public Vehicle {
 	/** Initializes the Vehicle to a special vehicle */
-	SpecialVehicle() { this->type = VEH_SPECIAL; }
+	EffectVehicle() { this->type = VEH_EFFECT; }
 
 	/** We want to 'destruct' the right class. */
-	virtual ~SpecialVehicle() {}
+	virtual ~EffectVehicle() {}
 
 	const char *GetTypeString() const { return "special vehicle"; }
 	void UpdateDeltaXY(Direction direction);

--- a/src/vehicle_func.h	Sun Apr 20 09:43:30 2008 +0000
+++ b/src/vehicle_func.h	Sun Apr 20 10:13:54 2008 +0000
@@ -171,9 +171,9 @@
 bool EnsureNoVehicleOnGround(TileIndex tile);
 void StopAllVehicles();
 
-Vehicle *CreateEffectVehicle(int x, int y, int z, EffectVehicle type);
-Vehicle *CreateEffectVehicleAbove(int x, int y, int z, EffectVehicle type);
-Vehicle *CreateEffectVehicleRel(const Vehicle *v, int x, int y, int z, EffectVehicle type);
+Vehicle *CreateEffectVehicle(int x, int y, int z, EffectVehicleType type);
+Vehicle *CreateEffectVehicleAbove(int x, int y, int z, EffectVehicleType type);
+Vehicle *CreateEffectVehicleRel(const Vehicle *v, int x, int y, int z, EffectVehicleType type);
 
 extern VehicleID _vehicle_id_ctr_day;
 extern Vehicle *_place_clicked_vehicle;

--- a/src/vehicle_type.h	Sun Apr 20 09:43:30 2008 +0000
+++ b/src/vehicle_type.h	Sun Apr 20 10:13:54 2008 +0000
@@ -14,7 +14,7 @@
 	VEH_ROAD,
 	VEH_SHIP,
 	VEH_AIRCRAFT,
-	VEH_SPECIAL,
+	VEH_EFFECT,
 	VEH_DISASTER,
 	VEH_END,
 	VEH_INVALID = 0xFF,
@@ -39,7 +39,7 @@
 static const VehicleID INVALID_VEHICLE = 0xFFFF;
 
 /* Effect vehicle types */
-enum EffectVehicle {
+enum EffectVehicleType {
 	EV_CHIMNEY_SMOKE   = 0,
 	EV_STEAM_SMOKE     = 1,
 	EV_DIESEL_SMOKE    = 2,