sound.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 TOLTECS_SOUND_H
#define TOLTECS_SOUND_H

#include "audio/mixer.h"    // for Audio::SoundHandle

#include "toltecs/toltecs.h"

namespace Toltecs {

// 0x1219

enum SoundChannelType {
    kChannelTypeEmpty       = 0,
    kChannelTypeBackground  = -1,
    kChannelTypeSfx         = -2,
    kChannelTypeSpeech      = -3
};

struct SoundChannel {
    int16 resIndex;
    int16 type;
    int16 volume;
    int16 panning;
    Audio::SoundHandle handle;
};

const int kMaxChannels = 4;

class Sound {
public:
    Sound(ToltecsEngine *vm);
    ~Sound();

    void playSpeech(int16 resIndex);
    void playSound(int16 resIndex, int16 type, int16 volume);
    void playSoundAtPos(int16 resIndex, int16 x, int16 y);
    void updateSpeech();
    void stopSpeech();
    void stopAll();

    void saveState(Common::WriteStream *out);
    void loadState(Common::ReadStream *in, int version);

protected:
    ToltecsEngine *_vm;

    SoundChannel channels[kMaxChannels];

    void clearChannel(int channel);
    void internalPlaySound(int16 resIndex, int16 type, int16 volume, int16 panning);
    Audio::Mixer::SoundType getScummVMSoundType(SoundChannelType type) const;
};


} // End of namespace Toltecs

#endif /* TOLTECS_SOUND_H */