132 lines
3.2 KiB
C++
132 lines
3.2 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef TOWNS_PC98_AUDIODRIVER_H
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#define TOWNS_PC98_AUDIODRIVER_H
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#include "audio/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h"
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class TownsPC98_MusicChannel;
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class TownsPC98_MusicChannelSSG;
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class TownsPC98_SfxChannel;
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#ifndef DISABLE_PC98_RHYTHM_CHANNEL
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class TownsPC98_MusicChannelPCM;
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#endif
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class TownsPC98_AudioDriver : public TownsPC98_FmSynth {
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friend class TownsPC98_MusicChannel;
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friend class TownsPC98_MusicChannelSSG;
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friend class TownsPC98_SfxChannel;
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#ifndef DISABLE_PC98_RHYTHM_CHANNEL
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friend class TownsPC98_MusicChannelPCM;
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#endif
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public:
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TownsPC98_AudioDriver(Audio::Mixer *mixer, EmuType type);
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~TownsPC98_AudioDriver();
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void loadMusicData(uint8 *data, bool loadPaused = false);
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void loadSoundEffectData(uint8 *data, uint8 trackNum);
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bool init();
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void reset();
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void fadeStep();
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void pause() {
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_musicPlaying = false;
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}
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void cont() {
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_musicPlaying = true;
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}
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void timerCallbackB();
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void timerCallbackA();
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bool looping() {
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return _looping == _updateChannelsFlag ? true : false;
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}
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bool musicPlaying() {
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return _musicPlaying;
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}
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void setMusicVolume(int volume) {
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_musicVolume = volume;
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setVolumeIntern(_musicVolume, _sfxVolume);
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}
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void setSoundEffectVolume(int volume) {
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_sfxVolume = volume;
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setVolumeIntern(_musicVolume, _sfxVolume);
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}
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protected:
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void startSoundEffect();
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void setMusicTempo(uint8 tempo);
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void setSfxTempo(uint16 tempo);
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TownsPC98_MusicChannel **_channels;
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TownsPC98_MusicChannelSSG **_ssgChannels;
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TownsPC98_SfxChannel **_sfxChannels;
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#ifndef DISABLE_PC98_RHYTHM_CHANNEL
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TownsPC98_MusicChannelPCM *_rhythmChannel;
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#endif
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const uint8 *_opnCarrier;
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const uint8 *_opnFreqTable;
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const uint8 *_opnFreqTableSSG;
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const uint8 *_opnFxCmdLen;
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const uint8 *_opnLvlPresets;
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uint8 *_musicBuffer;
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uint8 *_sfxBuffer;
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uint8 *_trackPtr;
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uint8 *_patches;
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uint8 *_ssgPatches;
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uint8 _updateChannelsFlag;
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uint8 _updateSSGFlag;
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uint8 _updateRhythmFlag;
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uint8 _updateSfxFlag;
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uint8 _finishedChannelsFlag;
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uint8 _finishedSSGFlag;
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uint8 _finishedRhythmFlag;
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uint8 _finishedSfxFlag;
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bool _musicPlaying;
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bool _sfxPlaying;
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uint8 _fading;
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uint8 _looping;
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uint32 _musicTickCounter;
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int _sfxOffs;
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uint8 *_sfxData;
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uint16 _sfxOffsets[2];
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uint16 _musicVolume;
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uint16 _sfxVolume;
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static const uint8 _drvTables[];
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bool _ready;
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};
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#endif
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