2004-04-12 21:40:49 +00:00
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/* ScummVM - Scumm Interpreter
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* Copyright (C) 2004 The ScummVM project
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*
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* The ReInherit Engine is (C)2000-2003 by Daniel Balsom.
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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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2004-04-29 03:52:59 +00:00
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#include "saga.h"
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2004-04-12 21:40:49 +00:00
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#include "reinherit.h"
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#include "yslib.h"
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2004-04-29 03:52:59 +00:00
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#include "music.h"
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#include "rscfile_mod.h"
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#include "game_mod.h"
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#include "sound/mididrv.h"
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#include "sound/midiparser.h"
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2004-04-29 04:24:55 +00:00
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#include "common/config-manager.h"
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2004-04-12 21:40:49 +00:00
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2004-04-29 03:52:59 +00:00
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namespace Saga {
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2004-04-12 21:40:49 +00:00
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2004-04-29 03:52:59 +00:00
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// Instrument mapping for MT32 tracks emulated under GM.
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static const byte mt32_to_gm[128] = {
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// 0 1 2 3 4 5 6 7 8 9 A B C D E F
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0, 1, 0, 2, 4, 4, 5, 3, 16, 17, 18, 16, 16, 19, 20, 21, // 0x
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6, 6, 6, 7, 7, 7, 8, 112, 62, 62, 63, 63, 38, 38, 39, 39, // 1x
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88, 95, 52, 98, 97, 99, 14, 54, 102, 96, 53, 102, 81, 100, 14, 80, // 2x
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48, 48, 49, 45, 41, 40, 42, 42, 43, 46, 45, 24, 25, 28, 27, 104, // 3x
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32, 32, 34, 33, 36, 37, 35, 35, 79, 73, 72, 72, 74, 75, 64, 65, // 4x
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66, 67, 71, 71, 68, 69, 70, 22, 56, 59, 57, 57, 60, 60, 58, 61, // 5x
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61, 11, 11, 98, 14, 9, 14, 13, 12, 107, 107, 77, 78, 78, 76, 76, // 6x
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47, 117, 127, 118, 118, 116, 115, 119, 115, 112, 55, 124, 123, 0, 14, 117 // 7x
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};
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2004-04-29 04:50:45 +00:00
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MusicPlayer::MusicPlayer(MidiDriver *driver) : _driver(driver), _looping(false), _isPlaying(false) {
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memset(_channel, 0, sizeof(_channel));
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2004-04-29 03:52:59 +00:00
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this->open();
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}
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MusicPlayer::~MusicPlayer() {
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_driver->setTimerCallback(NULL, NULL);
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_parser->unloadMusic();
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this->close();
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}
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void MusicPlayer::setVolume(int volume) {
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if (volume < 0)
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volume = 0;
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else if (volume > 255)
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volume = 255;
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if (_masterVolume == volume)
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return;
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_masterVolume = volume;
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2004-04-29 04:24:55 +00:00
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2004-04-29 03:52:59 +00:00
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for (int i = 0; i < 16; ++i) {
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2004-04-29 04:24:55 +00:00
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if (_channel[i]) {
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debug(0, "%d %d", _channelVolume[i], _masterVolume);
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2004-04-29 03:52:59 +00:00
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_channel[i]->volume(_channelVolume[i] * _masterVolume / 255);
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2004-04-29 04:24:55 +00:00
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}
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2004-04-29 03:52:59 +00:00
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}
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}
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int MusicPlayer::open() {
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// Don't ever call open without first setting the output driver!
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if (!_driver)
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return 255;
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int ret = _driver->open();
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if (ret)
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return ret;
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2004-04-29 04:50:45 +00:00
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2004-04-29 03:52:59 +00:00
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_driver->setTimerCallback(this, &onTimer);
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return 0;
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}
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void MusicPlayer::close() {
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stopMusic();
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if (_driver)
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_driver->close();
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_driver = 0;
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}
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void MusicPlayer::send(uint32 b) {
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byte channel = (byte)(b & 0x0F);
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if ((b & 0xFFF0) == 0x07B0) {
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// Adjust volume changes by master volume
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byte volume = (byte)((b >> 16) & 0x7F);
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_channelVolume[channel] = volume;
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volume = volume * _masterVolume / 255;
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b = (b & 0xFF00FFFF) | (volume << 16);
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} else if ((b & 0xF0) == 0xC0 && !_nativeMT32) {
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b = (b & 0xFFFF00FF) | mt32_to_gm[(b >> 8) & 0xFF] << 8;
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}
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else if ((b & 0xFFF0) == 0x007BB0) {
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//Only respond to All Notes Off if this channel
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//has currently been allocated
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if (_channel[b & 0x0F])
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return;
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2004-04-12 21:40:49 +00:00
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}
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2004-04-29 03:52:59 +00:00
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if (!_channel[channel])
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_channel[channel] = (channel == 9) ? _driver->getPercussionChannel() : _driver->allocateChannel();
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2004-04-12 21:40:49 +00:00
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2004-04-29 03:52:59 +00:00
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if (_channel[channel])
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_channel[channel]->send(b);
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}
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void MusicPlayer::metaEvent(byte type, byte *data, uint16 length) {
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//Only thing we care about is End of Track.
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if (type != 0x2F)
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return;
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if (_looping)
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_parser->jumpToTick(0);
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else
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stopMusic();
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}
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void MusicPlayer::onTimer(void *refCon) {
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MusicPlayer *music = (MusicPlayer *)refCon;
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if (music->_isPlaying)
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music->_parser->onTimer();
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}
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void MusicPlayer::playMusic() {
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_isPlaying = true;
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}
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void MusicPlayer::stopMusic() {
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_isPlaying = false;
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_parser->unloadMusic();
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2004-04-12 21:40:49 +00:00
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}
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2004-04-29 03:52:59 +00:00
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Music::Music(MidiDriver *driver, int enabled) : _enabled(enabled) {
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_player = new MusicPlayer(driver);
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_musicInitialized = 1;
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2004-04-12 21:40:49 +00:00
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}
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2004-04-29 03:52:59 +00:00
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Music::~Music() {
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delete _player;
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}
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int Music::play(ulong music_rn, uint flags) {
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R_RSCFILE_CONTEXT *rsc_ctxt = NULL;
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uchar *resource_data;
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size_t resource_size;
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if (!_musicInitialized) {
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2004-04-12 21:40:49 +00:00
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return R_FAILURE;
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}
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2004-04-29 03:52:59 +00:00
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if (!_enabled) {
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return R_SUCCESS;
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}
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/* Load XMI resource data */
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GAME_GetFileContext(&rsc_ctxt, R_GAME_RESOURCEFILE, 0);
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if (RSC_LoadResource(rsc_ctxt, music_rn, &resource_data,
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&resource_size) != R_SUCCESS ) {
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R_printf(R_STDERR, "SYSMUSIC_Play(): Resource load failed: %ld",
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music_rn);
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return R_FAILURE;
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}
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MidiParser *parser = MidiParser::createParser_XMIDI();
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if (!parser->loadMusic(resource_data, resource_size)) {
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warning("Error reading track!");
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delete parser;
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parser = 0;
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}
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2004-04-12 21:40:49 +00:00
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2004-04-29 03:52:59 +00:00
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debug(0, "Music::play(%d, %d)", music_rn, flags);
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2004-04-12 21:40:49 +00:00
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2004-04-29 03:52:59 +00:00
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parser->setTrack(0);
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2004-04-29 04:24:55 +00:00
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parser->setMidiDriver(_player);
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2004-04-29 03:52:59 +00:00
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_player->_parser = parser;
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2004-04-29 04:24:55 +00:00
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_player->setVolume(ConfMan.getInt("music_volume") * ConfMan.getInt("master_volume") / 255);
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_player->playMusic();
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2004-04-29 03:52:59 +00:00
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return R_SUCCESS;
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2004-04-12 21:40:49 +00:00
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}
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2004-04-29 03:52:59 +00:00
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int Music::pause(void) {
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if (!_musicInitialized) {
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2004-04-12 21:40:49 +00:00
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return R_FAILURE;
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}
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return R_SUCCESS;
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}
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2004-04-29 03:52:59 +00:00
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int Music::resume(void) {
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if (!_musicInitialized) {
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2004-04-12 21:40:49 +00:00
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return R_FAILURE;
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}
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return R_SUCCESS;
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}
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2004-04-29 03:52:59 +00:00
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int Music::stop(void) {
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if (!_musicInitialized) {
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2004-04-12 21:40:49 +00:00
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return R_FAILURE;
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}
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return R_SUCCESS;
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}
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} // End of namespace Saga
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