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 TWINE_SOUND_H
#define TWINE_SOUND_H
 
#include "audio/audiostream.h"
#include "audio/mixer.h"
#include "common/scummsys.h"
#include "common/types.h"
#include "twine/shared.h"
 
namespace TwinE {
 
class TextEntry;
 
#define NUM_CHANNELS 32
 
namespace Samples {
enum _Samples {
    TwinsenHit = 0,
    SoldierHit = 4,
    ItemPopup = 11,
    Explode = 37,
    BigItemFound = 41,
    TaskCompleted = 41,
    Hit = 86,
    ItemFound = 97,
    WalkFloorBegin = 126, // BASE_STEP_SOUND
    WalkFloorRightBegin = 141
};
}
 
class TwinEEngine;
class Sound {
private:
    TwinEEngine *_engine;
 
    Audio::SoundHandle _samplesPlaying[NUM_CHANNELS];
 
    int32 _samplesPlayingActors[NUM_CHANNELS]{0};
 
    bool playSample(int32 channelIdx, int32 index, Audio::SeekableAudioStream *audioStream, int32 loop, const char *name, Audio::Mixer::SoundType soundType = Audio::Mixer::kPlainSoundType);
 
    bool isChannelPlaying(int32 channelIdx);
 
    int32 getFreeSampleChannelIndex();
 
    void removeChannelWatch(int32 channelIdx);
public:
    int32 _parmSampleVolume = 127;
    int32 _parmSampleDecalage = 0;
    int32 _parmSampleFrequence = 0;
 
    Sound(TwinEEngine *engine);
    ~Sound();
 
    int32 getSampleChannel(int32 index);
 
    void playFlaSample(int32 index, int16 rate, int32 repeat, uint8 volumeLeft, uint8 volumeRight);
 
    void setChannelBalance(int32 channelIdx, uint8 volumeLeft, uint8 volumeRight);
 
    void setChannelRate(int32 channelIdx, uint32 rate);
 
    void setChannelPosition(int32 channelIdx, int32 x, int32 y, int32 z);
 
    inline void setChannelPosition(int32 channelIdx, const IVec3 &pos) {
        setChannelPosition(channelIdx, pos.x, pos.y, pos.z);
    }
 
    void mixSample3D(int32 index, uint16 pitchbend, int32 repeat, const IVec3 &pos, int32 actorIdx); // HQ_3D_MixSample
 
    void mixSample(int32 index, uint16 pitchbend, int32 repeat, uint8 volumeLeft, uint8 volumeRight); // HQ_MixSample
 
    void pauseSamples();
 
    void resumeSamples();
 
    void startRainSample();
 
    void stopSamples();
 
    int32 getActorChannel(int32 actorIdx);
 
    void stopSample(int32 index); // HQ_StopOneSample
 
    int32 isSamplePlaying(int32 index);
 
    bool playVoxSample(const TextEntry *text);
};
 
} // namespace TwinE
 
#endif