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Diffstat (limited to 'engines/prince/sound.cpp')
| -rw-r--r-- | engines/prince/sound.cpp | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/engines/prince/sound.cpp b/engines/prince/sound.cpp new file mode 100644 index 0000000000..032297ee43 --- /dev/null +++ b/engines/prince/sound.cpp @@ -0,0 +1,211 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#include "prince/prince.h" +#include "prince/sound.h" +#include "prince/musNum.h" + +#include "common/config-manager.h" +#include "common/memstream.h" +#include "common/archive.h" +#include "audio/decoders/raw.h" +#include "audio/audiostream.h" + +namespace Prince { + +const char *MusicPlayer::_musTable[] = { + "", + "Battlfld.mid", + "Cave.mid", + "Cemetery.mid", + "Credits.mid", + "Fjord.mid", + "Guitar.mid", + "Hell.mid", + "Jingle.mid", + "Main.mid", + "Night.mid", + "Reality.mid", + "Sunlord.mid", + "Tavern.mid", + "Temple.mid", + "Boruta.mid", + "Intro.mid" +}; + +const uint8 MusicPlayer::_musRoomTable[] = { + 0, + ROOM01MUS, + ROOM02MUS, + ROOM03MUS, + ROOM04MUS, + ROOM05MUS, + ROOM06MUS, + ROOM07MUS, + ROOM08MUS, + ROOM09MUS, + ROOM10MUS, + ROOM11MUS, + ROOM12MUS, + ROOM13MUS, + ROOM14MUS, + ROOM15MUS, + ROOM16MUS, + ROOM17MUS, + ROOM18MUS, + ROOM19MUS, + ROOM20MUS, + ROOM21MUS, + ROOM22MUS, + ROOM23MUS, + ROOM24MUS, + ROOM25MUS, + ROOM26MUS, + ROOM27MUS, + ROOM28MUS, + ROOM29MUS, + ROOM30MUS, + ROOM31MUS, + ROOM32MUS, + ROOM33MUS, + ROOM34MUS, + ROOM35MUS, + ROOM36MUS, + ROOM37MUS, + ROOM38MUS, + ROOM39MUS, + ROOM40MUS, + ROOM41MUS, + ROOM42MUS, + ROOM43MUS, + 0, + 0, + ROOM46MUS, + ROOM47MUS, + ROOM48MUS, + ROOM49MUS, + ROOM50MUS, + ROOM51MUS, + ROOM52MUS, + ROOM53MUS, + ROOM54MUS, + ROOM55MUS, + ROOM56MUS, + ROOM57MUS, + ROOM58MUS, + ROOM59MUS, + ROOM60MUS, + ROOM61MUS +}; + + +MusicPlayer::MusicPlayer(PrinceEngine *vm) : _vm(vm) { + _data = nullptr; + _isGM = false; + + MidiPlayer::createDriver(); + + int ret = _driver->open(); + if (ret == 0) { + if (_nativeMT32) + _driver->sendMT32Reset(); + else + _driver->sendGMReset(); + + _driver->setTimerCallback(this, &timerCallback); + } +} + +MusicPlayer::~MusicPlayer() { + killMidi(); +} + +void MusicPlayer::killMidi() { + Audio::MidiPlayer::stop(); + + free(_data); + _data = nullptr; +} + +void MusicPlayer::loadMidi(const char *name) { + Common::SeekableReadStream *stream = SearchMan.createReadStreamForMember(name); + if (!stream) { + debug("Can't load midi stream %s", name); + return; + } + + // Stop any currently playing MIDI file + killMidi(); + + // Read in the data for the file + _dataSize = stream->size(); + _data = (byte *)malloc(_dataSize); + stream->read(_data, _dataSize); + + delete stream; + + // Start playing the music + sndMidiStart(); +} + +void MusicPlayer::sndMidiStart() { + _isGM = true; + + MidiParser *parser = MidiParser::createParser_SMF(); + if (parser->loadMusic(_data, _dataSize)) { + parser->setTrack(0); + parser->setMidiDriver(this); + parser->setTimerRate(_driver->getBaseTempo()); + parser->property(MidiParser::mpCenterPitchWheelOnUnload, 1); + + _parser = parser; + + syncVolume(); + + // Al the tracks are supposed to loop + _isLooping = true; + _isPlaying = true; + } +} + +void MusicPlayer::send(uint32 b) { + if ((b & 0xF0) == 0xC0 && !_isGM && !_nativeMT32) { + b = (b & 0xFFFF00FF) | MidiDriver::_mt32ToGm[(b >> 8) & 0xFF] << 8; + } + + Audio::MidiPlayer::send(b); +} + +void MusicPlayer::sendToChannel(byte channel, uint32 b) { + if (!_channelsTable[channel]) { + _channelsTable[channel] = (channel == 9) ? _driver->getPercussionChannel() : _driver->allocateChannel(); + // If a new channel is allocated during the playback, make sure + // its volume is correctly initialized. + if (_channelsTable[channel]) + _channelsTable[channel]->volume(_channelsVolume[channel] * _masterVolume / 255); + } + + if (_channelsTable[channel]) + _channelsTable[channel]->send(b); +} + +} // End of namespace Prince |