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diff --git a/engines/mads/game_data.h b/engines/mads/game_data.h
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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef MADS_GAME_DATA_H
+#define MADS_GAME_DATA_H
+
+#include "common/scummsys.h"
+#include "common/array.h"
+
+namespace MADS {
+
+class MADSEngine;
+class Game;
+
+class VisitedScenes: public Common::Array<int> {
+public:
+	/**
+	 * Returns true if a given Scene Id exists in the listed of previously visited scenes.
+	 */
+	bool exists(int sceneId);
+
+	/**
+	 * Adds a scene Id to the list of previously visited scenes, if it doesn't already exist
+	 */
+	void add(int sceneId);
+};
+
+class InventoryObject {
+public:
+	int _descId;
+	int _roomNumber;
+	int _article;
+	int _vocabCount;
+	struct {
+		int _actionFlags1;
+		int _actionFlags2;
+		int _vocabId;
+	} _vocabList[3];
+	char _mutilateString[10];	// ???
+	const byte *_objFolder;		// ???
+
+	/**
+	 * Loads the data for a given object
+	 */
+	void load(Common::SeekableReadStream &f);
+};
+
+class InventoryObjects: public Common::Array<InventoryObject> {
+private:
+	MADSEngine *_vm;
+public:
+	Common::Array<int> _inventoryList;
+
+	/** 
+	 * Constructor
+	 */
+	InventoryObjects(MADSEngine *vm): _vm(vm) {}
+
+	/**
+	 * Loads the game's object list
+	 */
+	void load();
+
+	/**
+	 * Set the associated data? pointer with an inventory object
+	 */
+	void setData(int objIndex, int id, const byte *p);
+
+	/**
+	 * Sets the room number
+	 */
+	void setRoom(int objectId, int roomNumber);
+};
+
+class Player {
+public:
+	int _direction;
+	int _newDirection;
+	bool _spritesLoaded;
+	int _spritesStart;
+	int _numSprites;
+	bool _stepEnabled;
+	bool _spritesChanged;
+	bool _visible;
+public:
+	Player();
+
+	void loadSprites(const Common::String &prefix) {
+		warning("TODO: Player::loadSprites");
+	}
+};
+
+class SectionHandler {
+protected:
+	MADSEngine *_vm;
+public:
+	SectionHandler(MADSEngine *vm): _vm(vm) {}
+	virtual ~SectionHandler() {}
+
+	virtual void preLoadSection() = 0;
+	virtual void sectionPtr2() = 0;
+	virtual void postLoadSection() = 0;
+};
+
+} // End of namespace MADS
+
+#endif /* MADS_GAME_DATA_H */