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diff --git a/engines/zvision/zvision.h b/engines/zvision/zvision.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 ZVISION_ZVISION_H
+#define ZVISION_ZVISION_H
+
+#include "zvision/detection.h"
+#include "zvision/utility/clock.h"
+
+#include "common/random.h"
+#include "common/events.h"
+
+#include "engines/engine.h"
+
+#include "graphics/pixelformat.h"
+
+#include "gui/debugger.h"
+
+
+namespace Video {
+class VideoDecoder;
+}
+
+namespace ZVision {
+
+struct ZVisionGameDescription;
+class Console;
+class ScriptManager;
+class RenderManager;
+class CursorManager;
+class StringManager;
+class SaveManager;
+class RlfAnimation;
+ 
+class ZVision : public Engine {
+public:
+	ZVision(OSystem *syst, const ZVisionGameDescription *gameDesc);
+	~ZVision();
+
+public:
+	/**
+	 * A Rectangle centered inside the actual window. All in-game coordinates
+	 * are given in this coordinate space. Also, all images are clipped to the
+	 * edges of this Rectangle
+	 */
+	const Common::Rect _workingWindow;
+	const Graphics::PixelFormat _pixelFormat;
+
+private:
+	enum {
+		WINDOW_WIDTH = 640,
+		WINDOW_HEIGHT = 480,
+		
+		//Zork nemesis working window sizes
+		ZNEM_WORKING_WINDOW_WIDTH = 512,
+		ZNEM_WORKING_WINDOW_HEIGHT = 320,
+		
+		//ZGI(and default) working window sizes
+		ZGI_WORKING_WINDOW_WIDTH = 640,
+		ZGI_WORKING_WINDOW_HEIGHT = 344,
+
+		ROTATION_SCREEN_EDGE_OFFSET = 60,
+		MAX_ROTATION_SPEED = 400 // Pixels per second
+	};
+
+	Console *_console;
+	const ZVisionGameDescription *_gameDescription;
+
+	const int _desiredFrameTime;
+
+	// We need random numbers
+	Common::RandomSource *_rnd;
+
+	// Managers
+	ScriptManager *_scriptManager;
+	RenderManager *_renderManager;
+	CursorManager *_cursorManager;
+	SaveManager *_saveManager;
+	StringManager *_stringManager;
+
+	// Clock
+	Clock _clock;
+
+	// To prevent allocation every time we process events
+	Common::Event _event;
+
+public:
+	uint32 getFeatures() const;
+	Common::Language getLanguage() const;
+	Common::Error run();
+	void pauseEngineIntern(bool pause);
+
+	ScriptManager *getScriptManager() const { return _scriptManager; }
+	RenderManager *getRenderManager() const { return _renderManager; }
+	CursorManager *getCursorManager() const { return _cursorManager; }
+	SaveManager *getSaveManager() const { return _saveManager; }
+	StringManager *getStringManager() const { return _stringManager; }
+	Common::RandomSource *getRandomSource() const { return _rnd; }
+	ZVisionGameId getGameId() const { return _gameDescription->gameId; }
+
+	/**
+	 * Play a video until it is finished. This is a blocking call. It will call
+	 * _clock.stop() when the video starts and _clock.start() when the video finishes.
+	 * It will also consume all events during video playback.
+	 *
+	 * @param videoDecoder    The video to play
+	 * @param destRect        Where to put the video. (In working window coords)
+	 * @param skippable       If true, the video can be skipped at any time using [Spacebar]
+	 */
+	void playVideo(Video::VideoDecoder &videoDecoder, const Common::Rect &destRect = Common::Rect(0, 0, 0, 0), bool skippable = true);
+
+	Common::String generateSaveFileName(uint slot);
+	Common::String generateAutoSaveFileName();
+
+private:
+	void initialize();
+	void initFonts();
+
+	void parseStrFile(const Common::String fileName);
+
+	/** Called every frame from ZVision::run() to process any events from EventMan */
+	void processEvents();
+
+	void onMouseDown(const Common::Point &pos);
+	void onMouseUp(const Common::Point &pos);
+	void onMouseMove(const Common::Point &pos);
+};
+
+} // End of namespace ZVision
+ 
+#endif