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 */