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77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2003 The ScummVM project
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#ifndef SKYGMCHANNEL_H
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#define SKYGMCHANNEL_H
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#include "stdafx.h"
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#include "sound/mididrv.h"
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#include "common/engine.h"
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#include "sky/musicbase.h"
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typedef struct {
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uint16 eventDataPtr;
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int32 nextEventTime;
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uint16 startOfData;
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uint8 midiChannelNumber;
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uint8 note;
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uint8 channelActive;
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} MidiChannelType;
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class SkyGmChannel : public SkyChannelBase {
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public:
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SkyGmChannel(uint8 *pMusicData, uint16 startOfData, MidiDriver *pMidiDrv, byte *pInstMap);
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virtual void stopNote(void);
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virtual uint8 process(uint16 aktTime);
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virtual void updateVolume(uint16 pVolume);
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private:
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byte *_mt32_to_gm;
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static uint8 _veloTab[128];
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MidiDriver *_midiDrv;
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uint8 *_musicData;
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uint16 _musicVolume;
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MidiChannelType _channelData;
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//- normal subs
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void setRegister(uint8 regNum, uint8 value);
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int32 getNextEventTime(void);
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uint16 getNextNote(uint8 param);
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void adlibSetupInstrument(void);
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void setupInstrument(uint8 opcode);
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void setupChannelVolume(uint8 volume);
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//- Streamfunctions from Command90hTable
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void com90_caseNoteOff(void); // 0
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void com90_stopChannel(void); // 1
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void com90_setupInstrument(void); // 2
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uint8 com90_updateTempo(void); // 3
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//void com90_dummy(void); // 4
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void com90_getPitch(void); // 5
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void com90_getChannelVolume(void); // 6
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//void com90_skipTremoVibro(void); // 7
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void com90_rewindMusic(void); // 8
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void com90_keyOff(void); // 9
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//void com90_error(void); // 10
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void com90_getChannelPanValue(void); // 11
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void com90_setStartOfData(void); // 12
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void com90_getChannelControl(void); // 13
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};
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#endif //SKYGMCHANNEL_H
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