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engines/groovie/logic/cake.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/>.
+ *
+ *
+ * This file is dual-licensed.
+ * In addition to the GPLv3 license mentioned above, MojoTouch has exclusively licensed
+ * this code on November 10th, 2021, to be use in closed-source products.
+ * Therefore, any contributions (commits) to it will also be dual-licensed.
+ *
+ */
+
+#ifndef GROOVIE_LOGIC_CAKE_H
+#define GROOVIE_LOGIC_CAKE_H
+
+#include "common/random.h"
+#include "common/system.h"
+
+namespace Groovie {
+
+/*
+ * Cake (Connect Four) puzzle in the dining room (tb.grv)
+ */
+class CakeGame {
+public:
+	CakeGame(bool easierAi);
+	void run(byte *scriptVariables);
+
+private:
+	static const int WIDTH = 8;
+	static const int HEIGHT = 7;
+	static const int GOAL_LEN = 4;
+	static const int WIN_SCORE = 1000000;//!< the number of points added for a connect four
+	static const byte STAUF = 1;
+	static const byte PLAYER = 2;
+	static const int NUM_LINES = 107;//!< how many potential victory lines there are
+
+	Common::RandomSource _random;
+
+	//! ID numbers for all of the potential victory lines for each spot on the board
+	struct LinesMappings {
+		byte lengths[WIDTH][HEIGHT];
+		byte indecies[WIDTH][HEIGHT][GOAL_LEN * GOAL_LEN];
+	};
+
+	//! how many points a player has, and their progress on potential victory lines
+	struct PlayerProgress {
+		int _score;
+		int _linesCounters[NUM_LINES];//!< how many pieces are claimed in each potential victory, links to LineMappings, an entry of 4 means that's a victory
+	};
+
+	PlayerProgress _playerProgress;
+	PlayerProgress _staufProgress;
+
+	byte _boardState[WIDTH][HEIGHT];//!< (0, 0) is the bottom left of the board
+	byte _columnHeights[WIDTH];
+
+	int _moveCount;
+	bool _hasCheated;
+
+	LinesMappings _map;//!< ID numbers for all of the potential victory lines for each spot on the board
+	bool _easierAi;
+
+	void restart();
+	void setLineNum(uint x, uint y, uint index);
+	bool isColumnFull(byte column);
+	PlayerProgress &getPlayerProgress(bool stauf);
+	void updateScores(byte x, bool revert = false);
+	void placeBonBon(byte x);
+	void revertMove(byte x);
+	byte getWinner();
+	bool gameEnded();
+	int getScoreDiff();
+	int aiRecurse(int search_depth, int parent_score);
+	byte aiGetBestMove(int search_depth);
+	void testCake();
+	void runCakeTest(uint seed, const char *moves, bool player_win);
+	void runCakeTestNoAi(const char *moves, bool player_win, bool draw);
+};
+
+} // End of Groovie namespace
+
+#endif // GROOVIE_LOGIC_CAKE_H