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author | Robert Göffringmann | 2003-05-03 02:59:45 +0000 |
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committer | Robert Göffringmann | 2003-05-03 02:59:45 +0000 |
commit | 180582765563cd2c2f0dd81a3e189c865ac0741d (patch) | |
tree | 2f0db1b24d5e651344ed36a738e0e368edfd358d /sky/musicbase.h | |
parent | 54a166582f457ff352477637b0b62fe632c301c6 (diff) | |
download | scummvm-rg350-180582765563cd2c2f0dd81a3e189c865ac0741d.tar.gz scummvm-rg350-180582765563cd2c2f0dd81a3e189c865ac0741d.tar.bz2 scummvm-rg350-180582765563cd2c2f0dd81a3e189c865ac0741d.zip |
changed structure of musicdriver, added General Midi music support.
mapping table mt32->gm needs a lot of changes.
svn-id: r7273
Diffstat (limited to 'sky/musicbase.h')
-rw-r--r-- | sky/musicbase.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/sky/musicbase.h b/sky/musicbase.h new file mode 100644 index 0000000000..a01a41df78 --- /dev/null +++ b/sky/musicbase.h @@ -0,0 +1,83 @@ +/* ScummVM - Scumm Interpreter + * Copyright (C) 2003 The ScummVM project + * + * 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 2 + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * $Header$ + * + */ + +#ifndef MUSICBASE_H +#define MUSICBASE_H + +#include "stdafx.h" +#include "common/engine.h" +#include "disk.h" + +#define FILES_PER_SECTION 4 + +typedef struct { + bool doReInit, doStopMusic; + uint8 musicToProcess; +} Actions; + +class SkyChannelBase { +public: + virtual void stopNote(void) = 0; + virtual uint8 process(uint16 aktTime) = 0; + virtual void updateVolume(uint16 pVolume) = 0; +private: +}; + +class SkyMusicBase { +public: + SkyMusicBase(SkyDisk *pSkyDisk); + ~SkyMusicBase(void); + void loadSectionMusic(uint8 pSection); + void musicCommand(uint16 command); + void startMusic(uint16 param) { _onNextPoll.musicToProcess = param & 0xF; }; // 4 + +protected: + SkyDisk *_skyDisk; + uint8 *_musicData; + uint8 _allowedCommands; + uint16 _musicDataLoc; + uint16 _driverFileBase; + + uint16 _musicVolume, _numberOfChannels; + uint8 _currentMusic; + uint8 _musicTempo0; // can be changed by music stream + uint8 _musicTempo1; // given once per music + uint32 _tempo; // calculated from musicTempo0 and musicTempo1 + uint32 _aktTime; + Actions _onNextPoll; + SkyChannelBase *_channels[10]; + + virtual void setupPointers(void) = 0; + virtual void setupChannels(uint8 *channelData) = 0; + + void updateTempo(void); + void loadNewMusic(void); + //- functions from CommandTable @0x90 (the main interface) + virtual void startDriver(void) = 0; // 0 + void StopDriver(void); // 1 + void setTempo(uint16 newTempo); // 2 + void pollMusic(); // 3 + void reinitFM(void) { _onNextPoll.doReInit = true; }; // 6 + void stopMusic(); // 7 + void setFMVolume(uint16 param); // 13 +}; + +#endif //MUSICBASE_H |