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-rw-r--r--engines/prince/sound.cpp211
1 files changed, 211 insertions, 0 deletions
diff --git a/engines/prince/sound.cpp b/engines/prince/sound.cpp
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+++ b/engines/prince/sound.cpp
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+/* 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