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engines/asylum/puzzles/tictactoe.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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef ASYLUM_PUZZLES_TICTACTOE_H
+#define ASYLUM_PUZZLES_TICTACTOE_H
+
+#include "asylum/puzzles/puzzle.h"
+
+namespace Asylum {
+
+class AsylumEngine;
+
+class PuzzleTicTacToe : public Puzzle {
+public:
+	PuzzleTicTacToe(AsylumEngine *engine);
+	~PuzzleTicTacToe();
+
+private:
+	enum GameStatus {
+		kStatus0,
+		kStatusFree,
+		kStatusNeedBlocking
+	};
+
+	uint32 _ticker;
+	uint32 _frameIndex;
+	uint32 _frameCount;
+	int32  _currentPos;
+	bool   _gameOver;
+	int32  _winLine;
+
+	uint32 _solveDelay;
+	uint32 _brokenLines;
+
+	char   _board[9];
+	uint32 _moveList[40];
+	uint32 _numberOfPossibleMoves;
+
+	//////////////////////////////////////////////////////////////////////////
+	// Event Handling
+	//////////////////////////////////////////////////////////////////////////
+	bool init(const AsylumEvent &evt);
+	void updateScreen();
+	bool mouseLeftDown(const AsylumEvent &evt);
+	bool exitPuzzle();
+
+	//////////////////////////////////////////////////////////////////////////
+	// Init & update
+	//////////////////////////////////////////////////////////////////////////
+	void clearBoard();
+	void drawField();
+	void getTwoEmpty(uint32 field1, uint32 field2, uint32 field3);
+
+	//////////////////////////////////////////////////////////////////////////
+	// Game
+	//////////////////////////////////////////////////////////////////////////
+	bool computerThinks();
+	GameStatus returnLineData(uint32 field1, uint32 field2, uint32 field3, char mark, uint32 *counterX, uint32 *counterO) const;
+	bool expandLine();
+	bool tryNewLine();
+	uint32 returnEmptySlot(uint32 position1, uint32 position2, uint position3) const;
+	bool checkWin();
+	int32 lookForAWinner();
+	bool strategy(char mark);
+	bool tryToWin()     { return strategy('X'); }
+	bool tryNotToLose() { return strategy('O'); }
+	bool arbitraryPlacement();
+	void computerMoves();
+};
+
+} // End of namespace Asylum
+
+#endif // ASYLUM_PUZZLES_TICTACTOE_H