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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 XEEN_EVENTS_H
#define XEEN_EVENTS_H

#include "common/scummsys.h"
#include "common/events.h"
#include "xeen/sprites.h"

namespace Xeen {

#define GAME_FRAME_RATE (1000 / 18.2)

class XeenEngine;

class EventsManager {
private:
	XeenEngine *_vm;
	uint32 _frameCounter;
	uint32 _priorFrameCounterTime;
	uint32 _gameCounter;
	uint32 _gameCounters[6];
	Common::KeyCode _keyCode;
	SpriteResource _sprites;

	/**
	 * Handles moving to the next game frame
	 */
	void nextFrame();
public:
	bool _leftButton, _rightButton;
	Common::Point _mousePos;
public:
	EventsManager(XeenEngine *vm);

	~EventsManager();

	/*
	 * Set the cursor
	 */
	void setCursor(int cursorId);

	/**
	 * Show the mouse cursor
	 */
	void showCursor();

	/**
	 * Hide the mouse cursor
	 */
	void hideCursor();

	/**
	 * Returns if the mouse cursor is visible
	 */
	bool isCursorVisible();

	void pollEvents();

	void pollEventsAndWait();

	void clearEvents();

	void debounceMouse();

	bool getKey(Common::KeyState &key);

	bool isKeyPending() const;

	/**
	 * Returns true if a key or mouse press is pending
	 */
	bool isKeyMousePressed();

	void updateGameCounter() { _gameCounter = _frameCounter; }
	void timeMark1() { _gameCounters[1] = _frameCounter; }
	void timeMark2() { _gameCounters[2] = _frameCounter; }
	void timeMark3() { _gameCounters[3] = _frameCounter; }
	void timeMark4() { _gameCounters[4] = _frameCounter; }
	void timeMark5() { _gameCounters[5] = _frameCounter; }

	uint32 timeElapsed() const { return _frameCounter - _gameCounter; }
	uint32 timeElapsed1() const { return _frameCounter - _gameCounters[1]; }
	uint32 timeElapsed2() const { return _frameCounter - _gameCounters[2]; }
	uint32 timeElapsed3() const { return _frameCounter - _gameCounters[3]; }
	uint32 timeElapsed4() const { return _frameCounter - _gameCounters[4]; }
	uint32 timeElapsed5() const { return _frameCounter - _gameCounters[5]; }

	bool wait(uint numFrames, bool interruptable = false);

	void ipause(uint amount);
};

class GameEvent {
public:
	GameEvent();
};

} // End of namespace Xeen

#endif /* XEEN_EVENTS_H */