diff options
Diffstat (limited to 'engines/neverhood/sound.h')
| -rw-r--r-- | engines/neverhood/sound.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/engines/neverhood/sound.h b/engines/neverhood/sound.h index 39bf7cd096..b724e898f0 100644 --- a/engines/neverhood/sound.h +++ b/engines/neverhood/sound.h @@ -23,6 +23,7 @@ #ifndef NEVERHOOD_SOUND_H #define NEVERHOOD_SOUND_H +#include "audio/audiostream.h" #include "common/array.h" #include "graphics/surface.h" #include "neverhood/neverhood.h" @@ -30,6 +31,29 @@ namespace Neverhood { +// Convert volume from percent to 0..255 +#define VOLUME(volume) (Audio::Mixer::kMaxChannelVolume / 100 * (volume)) + +// Convert panning from percent (50% equals center) to -127..0..+127 +#define PANNING(panning) (254 / 100 * (panning) - 127) + +class SoundResource { +public: + SoundResource(NeverhoodEngine *vm); + ~SoundResource(); + bool isPlaying(); + void load(uint32 fileHash); + void unload(); + void play(uint32 fileHash); + void play(); + void stop(); + void setVolume(int16 volume); + void setPan(int16 pan); +protected: + NeverhoodEngine *_vm; + int16 _soundIndex; +}; + class MusicResource { public: MusicResource(NeverhoodEngine *vm); @@ -38,8 +62,10 @@ public: void unload(); void play(int16 fadeVolumeStep); void stop(int16 fadeVolumeStep); + void setVolume(int16 volume); protected: NeverhoodEngine *_vm; + int16 _musicIndex; }; struct MusicItem { @@ -72,6 +98,8 @@ struct SoundItem { ~SoundItem(); }; +// TODO Give this a better name + class SoundMan { public: SoundMan(NeverhoodEngine *vm); @@ -122,10 +150,102 @@ protected: MusicItem *getMusicItemByHash(uint32 musicFileHash); SoundItem *getSoundItemByHash(uint32 soundFileHash); + int16 addMusicItem(MusicItem *musicItem); + int16 addSoundItem(SoundItem *soundItem); void deleteSoundByIndex(int index); }; +class NeverhoodAudioStream : public Audio::AudioStream { +public: + NeverhoodAudioStream(int rate, byte shiftValue, bool isLooping, DisposeAfterUse::Flag disposeStream, Common::SeekableReadStream *stream); + ~NeverhoodAudioStream(); + int readBuffer(int16 *buffer, const int numSamples); + bool isStereo() const { return _isStereo; } + bool endOfData() const { return _endOfData; } + int getRate() const { return _rate; } +private: + const int _rate; + const bool _isLooping; + const bool _isStereo; + const byte _shiftValue; + const bool _isCompressed; + int16 _prevValue; + Common::DisposablePtr<Common::SeekableReadStream> _stream; + bool _endOfData; + byte *_buffer; + enum { + kSampleBufferLength = 2048 + }; + int fillBuffer(int maxSamples); +}; + +// TODO Rename these + +struct AudioResourceManSoundItem { + uint32 _fileHash; + int _resourceHandle; + byte *_data; + bool _isLoaded; + bool _isPlaying; + int16 _volume; + int16 _panning; + Audio::SoundHandle _soundHandle; +}; + +struct AudioResourceManMusicItem { + uint32 _fileHash; + // streamIndex dw + // needCreate db + bool _isPlaying; + bool _remove; + int16 _volume; + int16 _panning; + bool _start; + bool _isFadingIn; + bool _isFadingOut; + int16 _fadeVolume; + int16 _fadeVolumeStep; + Audio::SoundHandle _soundHandle; + // status dw + // updateCounter dd +}; + +class AudioResourceMan { +public: + AudioResourceMan(NeverhoodEngine *vm); + ~AudioResourceMan(); + + int16 addSound(uint32 fileHash); + void removeSound(int16 soundIndex); + void loadSound(int16 soundIndex); + void unloadSound(int16 soundIndex); + void setSoundVolume(int16 soundIndex, int16 volume); + void setSoundPan(int16 soundIndex, int16 pan); + void playSound(int16 soundIndex, bool looping); + void stopSound(int16 soundIndex); + bool isSoundPlaying(int16 soundIndex); + + int16 loadMusic(uint32 fileHash); + void unloadMusic(int16 musicIndex); + void setMusicVolume(int16 musicIndex, int16 volume); + void playMusic(int16 musicIndex, int16 fadeVolumeStep); + void stopMusic(int16 musicIndex, int16 fadeVolumeStep); + bool isMusicPlaying(int16 musicIndex); + void updateMusicItem(int16 musicIndex); + + void update(); + +protected: + NeverhoodEngine *_vm; + + Common::Array<AudioResourceManMusicItem*> _musicItems; + Common::Array<AudioResourceManSoundItem*> _soundItems; + + int16 addSoundItem(AudioResourceManSoundItem *soundItem); + +}; + } // End of namespace Neverhood #endif /* NEVERHOOD_SOUND_H */ |