(svn r19337) -Codechange: Create the GroundVehicle class.

projects/openttd_vs80.vcproj

@@ -1027,6 +1027,10 @@
 				RelativePath=".\..\src\graph_gui.h"
 				>
 			</File>
+			<File
+				RelativePath=".\..\src\ground_vehicle.hpp"
+				>
+			</File>
 			<File
 				RelativePath=".\..\src\group.h"
 				>

projects/openttd_vs90.vcproj

@@ -1024,6 +1024,10 @@
 				RelativePath=".\..\src\graph_gui.h"
 				>
 			</File>
+			<File
+				RelativePath=".\..\src\ground_vehicle.hpp"
+				>
+			</File>
 			<File
 				RelativePath=".\..\src\group.h"
 				>

source.list

@@ -166,6 +166,7 @@ gfx_func.h
 gfx_type.h
 gfxinit.h
 graph_gui.h
+ground_vehicle.hpp
 group.h
 group_gui.h
 group_type.h

src/ground_vehicle.hpp

@@ -0,0 +1,30 @@
+/* $Id$ */
+
+/*
+ * This file is part of OpenTTD.
+ * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
+ * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** @file ground_vehicle.hpp Base class and functions for all vehicles that move through ground. */
+
+#ifndef GROUND_VEHICLE_HPP
+#define GROUND_VEHICLE_HPP
+
+#include "vehicle_base.h"
+
+/**
+ * Base class for all vehicles that move through ground.
+ */
+template <class T, VehicleType Type>
+struct GroundVehicle : public SpecializedVehicle<T, Type> {
+
+	/**
+	 * The constructor at SpecializedVehicle must be called.
+	 */
+	GroundVehicle() : SpecializedVehicle<T, Type>() {}
+
+};
+
+#endif /* GROUND_VEHICLE_HPP */

src/train.h

@@ -12,12 +12,12 @@
 #ifndef TRAIN_H
 #define TRAIN_H
 
-#include "vehicle_base.h"
 #include "newgrf_engine.h"
 #include "cargotype.h"
 #include "rail.h"
 #include "engine_base.h"
 #include "rail_map.h"
+#include "ground_vehicle.hpp"
 
 struct Train;
 
@@ -111,7 +111,7 @@ enum AccelStatus {
 /**
  * 'Train' is either a loco or a wagon.
  */
-struct Train : public SpecializedVehicle<Train, VEH_TRAIN> {
+struct Train : public GroundVehicle<Train, VEH_TRAIN> {
 	TrainCache tcache;
 
 	/* Link between the two ends of a multiheaded engine */
@@ -129,7 +129,7 @@ struct Train : public SpecializedVehicle<Train, VEH_TRAIN> {
 	uint16 wait_counter;
 
 	/** We don't want GCC to zero our struct! It already is zeroed and has an index! */
-	Train() : SpecializedVehicle<Train, VEH_TRAIN>() {}
+	Train() : GroundVehicle<Train, VEH_TRAIN>() {}
 	/** We want to 'destruct' the right class. */
 	virtual ~Train() { this->PreDestructor(); }