shell_game.h

/* 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 DGDS_SHELL_GAME_H
#define DGDS_SHELL_GAME_H

#include "dgds/image.h"

namespace Dgds {

/* Native code for the shell game from Heart of China. */
class ShellGame {
public:
    ShellGame();

    void shellGameTick();
    void shellGameEnd();

private:
    void init();
    void drawShellGameStr(int16 count, int16 x, int16 y) const;
    void drawShells() const;
    void swapShells(bool flag);
    void revealPea(bool flag);
    void update();
    bool checkDistract();
    void setupSwap();

    Common::SharedPtr<Image> _shellGameImg;
    uint16 _revealPeaStep;
    uint16 _currentPeaPosition;
    bool _lastPass;
    uint16 _distractStep;
    uint16 _distractDelay;
    uint16 _state13Counter;
    int16 _swapPea1;
    int16 _swapPea2;
    uint16 _lastSwapPea1;
    uint16 _swapStatus;
    int16 _swapMoveDist;
    uint16 _swapMoveStep;
    uint16 _swapCount;
    int16 _reverseDirection;
    bool _clockwise;
};

} // end namespace Dgds

#endif // DGDS_SHELL_GAME_H