(svn r16445) -Codechange: update old comments (Yexo)

src/aircraft.h

@@ -89,12 +89,7 @@ struct AircraftCache {
 };
 
 /**
- * This class 'wraps' Vehicle; you do not actually instantiate this class.
- * You create a Vehicle using AllocateVehicle, so it is added to the pool
- * and you reinitialize that to a Train using:
- *   v = new (v) Aircraft();
- *
- * As side-effect the vehicle type is set correctly.
+ * Aircraft, helicopters, rotors and their shadows belong to this class.
  */
 struct Aircraft : public SpecializedVehicle<Aircraft, VEH_AIRCRAFT> {
 	AircraftCache acache; ///< Cache of often used calculated values

src/effectvehicle_base.h

@@ -8,13 +8,6 @@
 #include "vehicle_base.h"
 
 /**
- * This class 'wraps' Vehicle; you do not actually instantiate this class.
- * You create a Vehicle using AllocateVehicle, so it is added to the pool
- * and you reinitialize that to a Train using:
- *   v = new (v) Train();
- *
- * As side-effect the vehicle type is set correctly.
- *
  * A special vehicle is one of the following:
  *  - smoke
  *  - electric sparks for trains

src/roadveh.h

@@ -116,12 +116,7 @@ struct RoadVehicleCache {
 };
 
 /**
- * This class 'wraps' Vehicle; you do not actually instantiate this class.
- * You create a Vehicle using AllocateVehicle, so it is added to the pool
- * and you reinitialize that to a Train using:
- *   v = new (v) RoadVehicle();
- *
- * As side-effect the vehicle type is set correctly.
+ * Buses, trucks and trams belong to this class.
  */
 struct RoadVehicle : public SpecializedVehicle<RoadVehicle, VEH_ROAD> {
 	RoadVehicleCache rcache; ///< Cache of often used calculated values

src/ship.h

@@ -15,12 +15,7 @@ void RecalcShipStuff(Vehicle *v);
 void GetShipSpriteSize(EngineID engine, uint &width, uint &height);
 
 /**
- * This class 'wraps' Vehicle; you do not actually instantiate this class.
- * You create a Vehicle using AllocateVehicle, so it is added to the pool
- * and you reinitialize that to a Train using:
- *   v = new (v) Ship();
- *
- * As side-effect the vehicle type is set correctly.
+ * All ships have this type.
  */
 struct Ship: public SpecializedVehicle<Ship, VEH_SHIP> {
 	TrackBitsByte state;

src/train.h

@@ -294,12 +294,7 @@ struct TrainCache {
 };
 
 /**
- * This class 'wraps' Vehicle; you do not actually instantiate this class.
- * You create a Vehicle using AllocateVehicle, so it is added to the pool
- * and you reinitialize that to a Train using:
- *   v = new (v) Train();
- *
- * As side-effect the vehicle type is set correctly.
+ * 'Train' is either a loco or a wagon.
  */
 struct Train : public SpecializedVehicle<Train, VEH_TRAIN> {
 	TrainCache tcache;

src/vehicle_base.h

@@ -553,12 +553,7 @@ struct SpecializedVehicle : public Vehicle {
 #define FOR_ALL_VEHICLES_OF_TYPE(name, var) FOR_ALL_ITEMS_FROM(name, vehicle_index, var, 0) if (var->type == name::EXPECTED_TYPE)
 
 /**
- * This class 'wraps' Vehicle; you do not actually instantiate this class.
- * You create a Vehicle using AllocateVehicle, so it is added to the pool
- * and you reinitialize that to a Train using:
- *   v = new (v) Train();
- *
- * As side-effect the vehicle type is set correctly.
+ * Disasters, like submarines, skyrangers and their shadows, belong to this class.
  */
 struct DisasterVehicle : public SpecializedVehicle<DisasterVehicle, VEH_DISASTER> {
 	uint16 image_override;