/* ScummVM - Scumm Interpreter
 * Copyright (C) 2005 The ScummVM project
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * $Header$
 *
 */

#ifndef SAGA_PUZZLE_H_
#define SAGA_PUZZLE_H_

namespace Saga {

#define PUZZLE_PIECES 15

class Puzzle {
private:
	enum kRQStates {
		kRQNoHint = 0,
		kRQHintRequested = 1,
		kRQHintRequestedStage2 = 2,
		kRQSakkaDenies = 3,
		kRQSkipEverything = 4
	};

	SagaEngine *_vm;

	bool _solved;
	bool _active;

	kRQStates _hintRqState;
	int _hintGiver;
	int _hintOffer;
	int _hintCount;
	int _helpCount;

	int _puzzlePiece;
	int _piecePriority[PUZZLE_PIECES];

	int _lang;

public:
	Puzzle(SagaEngine *vm);

	void execute(void);
	void exitPuzzle(void);

	bool isSolved(void) { return _solved; }
	bool isActive(void) { return _active; }

	void handleReply(int reply);

	void movePiece(Point mousePt);

private:
	static void hintTimerCallback(void *refCon);

	void solicitHint(void);

	void initPieces(void);

	void giveHint(void);
	void clearHint(void);

public:
	struct PieceInfo {
		int16 curX;
		int16 curY;
		byte offX;
		byte offY;
		int16 trgX;
		int16 trgY;
		uint8 flag;
		uint8 count;
		Point point[6];
	};

};

} // End of namespace Saga

#endif