diff options
Diffstat (limited to 'engines/scumm/player_v2.h')
-rw-r--r-- | engines/scumm/player_v2.h | 264 |
1 files changed, 5 insertions, 259 deletions
diff --git a/engines/scumm/player_v2.h b/engines/scumm/player_v2.h index 2c3e784928..6a0b3d6d5e 100644 --- a/engines/scumm/player_v2.h +++ b/engines/scumm/player_v2.h @@ -26,84 +26,35 @@ #ifndef SCUMM_PLAYER_V2_H #define SCUMM_PLAYER_V2_H -#include "common/scummsys.h" -#include "common/mutex.h" -#include "scumm/music.h" -#include "sound/audiostream.h" -#include "sound/mixer.h" +#include "scumm/player_v2base.h" namespace Scumm { -class ScummEngine; - -#include "common/pack-start.h" // START STRUCT PACKING - -struct channel_data { - uint16 time_left; // 00 - uint16 next_cmd; // 02 - uint16 base_freq; // 04 - uint16 freq_delta; // 06 - uint16 freq; // 08 - uint16 volume; // 10 - uint16 volume_delta; // 12 - uint16 tempo; // 14 - uint16 inter_note_pause; // 16 - uint16 transpose; // 18 - uint16 note_length; // 20 - uint16 hull_curve; // 22 - uint16 hull_offset; // 24 - uint16 hull_counter; // 26 - uint16 freqmod_table; // 28 - uint16 freqmod_offset; // 30 - uint16 freqmod_incr; // 32 - uint16 freqmod_multiplier; // 34 - uint16 freqmod_modulo; // 36 - uint16 unknown[4]; // 38 - 44 - uint16 music_timer; // 46 - uint16 music_script_nr; // 48 -} PACKED_STRUCT; - -#include "common/pack-end.h" // END STRUCT PACKING - - /** * Scumm V2 PC-Speaker MIDI driver. * This simulates the pc speaker sound, which is driven by the 8253 (square * wave generator) and a low-band filter. */ -class Player_V2 : public Audio::AudioStream, public MusicEngine { +class Player_V2 : public Player_V2Base { public: Player_V2(ScummEngine *scumm, Audio::Mixer *mixer, bool pcjr); virtual ~Player_V2(); + // MusicEngine API virtual void setMusicVolume(int vol); virtual void startSound(int sound); virtual void stopSound(int sound); virtual void stopAllSounds(); - virtual int getMusicTimer(); +// virtual int getMusicTimer(); virtual int getSoundStatus(int sound) const; // AudioStream API - int readBuffer(int16 *buffer, const int numSamples) { - do_mix(buffer, numSamples / 2); - return numSamples; - } + int readBuffer(int16 *buffer, const int numSamples); bool isStereo() const { return true; } bool endOfData() const { return false; } int getRate() const { return _sampleRate; } protected: - bool _isV3Game; - Audio::Mixer *_mixer; - Audio::SoundHandle _soundHandle; - ScummEngine *_vm; - - bool _pcjr; - int _header_len; - - uint32 _sampleRate; - uint32 _next_tick; - uint32 _tick_len; unsigned int _update_step; unsigned int _decay; int _level; @@ -113,218 +64,13 @@ protected: int _timer_count[4]; int _timer_output; - int _current_nr; - byte *_current_data; - int _next_nr; - byte *_next_data; - byte *_retaddr; - - Common::Mutex _mutex; - -private: - union ChannelInfo { - channel_data d; - uint16 array[sizeof(channel_data)/2]; - }; - - int _music_timer; - int _music_timer_ctr; - int _ticks_per_music_timer; - - const uint16 *_freqs_table; - - ChannelInfo _channels[5]; - protected: - virtual void nextTick(); - virtual void clear_channel(int i); - virtual void chainSound(int nr, byte *data); - virtual void chainNextSound(); - virtual void generateSpkSamples(int16 *data, uint len); virtual void generatePCjrSamples(int16 *data, uint len); void lowPassFilter(int16 *data, uint len); void squareGenerator(int channel, int freq, int vol, int noiseFeedback, int16 *sample, uint len); - -private: - void do_mix(int16 *buf, uint len); - - void set_pcjr(bool pcjr); - void execute_cmd(ChannelInfo *channel); - void next_freqs(ChannelInfo *channel); -}; - -/** - * Scumm V2 CMS/Gameblaster MIDI driver. - */ -class Player_V2CMS : public Audio::AudioStream, public MusicEngine { -public: - Player_V2CMS(ScummEngine *scumm, Audio::Mixer *mixer); - virtual ~Player_V2CMS(); - - virtual void setMusicVolume(int vol); - virtual void startSound(int sound); - virtual void stopSound(int sound); - virtual void stopAllSounds(); - virtual int getMusicTimer(); - virtual int getSoundStatus(int sound) const; - - // AudioStream API - int readBuffer(int16 *buffer, const int numSamples); - bool isStereo() const { return true; } - bool endOfData() const { return false; } - int getRate() const { return _sampleRate; } - -protected: - -#include "common/pack-start.h" // START STRUCT PACKING - struct Voice { - byte attack; - byte decay; - byte sustain; - byte release; - byte octadd; - int16 vibrato; - int16 vibrato2; - int16 noise; - } PACKED_STRUCT; - - struct Voice2 { - byte *amplitudeOutput; - byte *freqOutput; - byte *octaveOutput; - - uint8 channel; - int8 sustainLevel; - int8 attackRate; - uint8 maxAmpl; - int8 decayRate; - int8 sustainRate; - int8 releaseRate; - int8 releaseTime; - int8 vibratoRate; - int8 vibratoDepth; - - int8 curVibratoRate; - int8 curVibratoUnk; - - int8 unkVibratoRate; - int8 unkVibratoDepth; - - int8 unkRate; - int8 unkCount; - - int nextProcessState; - int8 curVolume; - int8 curOctave; - int8 curFreq; - - int8 octaveAdd; - - int8 playingNote; - Voice2 *nextVoice; - - byte chanNumber; - } PACKED_STRUCT; - - struct MusicChip { - byte ampl[4]; - byte freq[4]; - byte octave[2]; - } PACKED_STRUCT; -#include "common/pack-end.h" // END STRUCT PACKING - - Voice _cmsVoicesBase[16]; - Voice2 _cmsVoices[8]; - MusicChip _cmsChips[2]; - - int8 _tempo; - int8 _tempoSum; - byte _looping; - byte _octaveMask; - int16 _midiDelay; - Voice2 *_midiChannel[16]; - byte _midiChannelUse[16]; - byte *_midiData; - byte *_midiSongBegin; - - int _loadedMidiSong; - - byte _lastMidiCommand; - uint _outputTableReady; - byte _clkFrequenz; - byte _restart; - byte _curSno; - - void loadMidiData(byte *data, int sound); - void play(); - - void processChannel(Voice2 *channel); - void processRelease(Voice2 *channel); - void processAttack(Voice2 *channel); - void processDecay(Voice2 *channel); - void processSustain(Voice2 *channel); - void processVibrato(Voice2 *channel); - - void playMusicChips(const MusicChip *table); - void playNote(byte *&data); - void clearNote(byte *&data); - void offAllChannels(); - void playVoice(); - void processMidiData(uint ticks); - - Voice2 *getFreeVoice(); - Voice2 *getPlayVoice(byte param); - - // from Player_V2 -protected: - bool _isV3Game; - Audio::Mixer *_mixer; - Audio::SoundHandle _soundHandle; - ScummEngine *_vm; - - int _header_len; - - uint32 _sampleRate; - uint32 _next_tick; - uint32 _tick_len; - - int _timer_count[4]; - int _timer_output; - - int _current_nr; - byte *_current_data; - int _next_nr; - byte *_next_data; - byte *_retaddr; - - Common::Mutex _mutex; - -private: - union ChannelInfo { - channel_data d; - uint16 array[sizeof(channel_data)/2]; - }; - - int _music_timer; - int _music_timer_ctr; - int _ticks_per_music_timer; - - ChannelInfo _channels[5]; - -protected: - virtual void nextTick(); - virtual void clear_channel(int i); - virtual void chainSound(int nr, byte *data); - virtual void chainNextSound(); - -private: - void do_mix(int16 *buf, uint len); - - void execute_cmd(ChannelInfo *channel); - void next_freqs(ChannelInfo *channel); }; } // End of namespace Scumm |