vdx.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 GROOVIE_VIDEO_VDX_H
#define GROOVIE_VIDEO_VDX_H

#include "groovie/video/player.h"
#include "audio/mixer.h"

namespace Common {
class ReadStream;
}

namespace Groovie {

class VDXPlayer : public VideoPlayer {
public:
    VDXPlayer(GroovieEngine *vm);
    ~VDXPlayer() override;
    void resetFlags() override;
    void setOrigin(int16 x, int16 y) override;

protected:
    uint16 loadInternal() override;
    bool playFrameInternal() override;
    void stopAudioStream() override;

private:
    Graphics::Surface *_fg, *_bg;
    uint8 _palBuf[3 * 256];
    Audio::SoundHandle _soundHandle;

    // Origin
    int16 _origX, _origY;

    // Video flags
    bool _flagZero;
    bool _flagOne;
    bool _flagOnePrev;
    byte _flag2Byte;
    bool _flagThree;
    bool _flagFour;
    bool _flagFive;
    bool _flagSix;
    bool _flagSeven;
    bool _flagEight;
    bool _flagNine;

    //bool _flagSkipStill;
    bool _flagSkipPalette;
    bool _flagFirstFrame;
    //bool _flagTransparent;
    //bool _flagUpdateStill;

    void getStill(Common::ReadStream *in);
    void getDelta(Common::ReadStream *in);
    void expandColorMap(byte *out, uint16 colorMap, uint8 color1, uint8 color0);
    void decodeBlockStill(byte *buf, byte *colors, uint16 imageWidth, uint8 mask);
    void decodeBlockDelta(uint32 offset, byte *colors, uint16 imageWidth);
    void chunkSound(Common::ReadStream *in);
    void setPalette(uint8 *palette);
    void fadeIn(uint8 *palette);
};

} // End of Groovie namespace

#endif // GROOVIE_VIDEO_VDX_H