mirror of
https://github.com/libretro/scummvm.git
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290 lines
6.7 KiB
C++
290 lines
6.7 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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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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*
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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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*
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifdef ENABLE_EOB
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#include "kyra/sound/sound_intern.h"
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#include "kyra/resource/resource.h"
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#include "common/config-manager.h"
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#include "backends/audiocd/audiocd.h"
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#include "audio/audiostream.h"
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#include "audio/decoders/raw.h"
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namespace Kyra {
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SoundTowns_Darkmoon::SoundTowns_Darkmoon(KyraEngine_v1 *vm, Audio::Mixer *mixer) : Sound(vm, mixer) {
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_intf = new TownsAudioInterface(mixer, this);
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_pcmData = 0;
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_pcmVol = 0;
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_timer = 0;
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_timerSwitch = 0;
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memset(_resource, 0, sizeof(_resource));
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}
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SoundTowns_Darkmoon::~SoundTowns_Darkmoon() {
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for (int i = 0; i < 3; i++)
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initAudioResourceInfo(i, 0);
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delete _intf;
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delete[] _pcmData;
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}
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bool SoundTowns_Darkmoon::init() {
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if (!_intf->init())
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return false;
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_intf->callback(21, 255, 1);
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_intf->callback(21, 0, 1);
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_intf->callback(22, 255, 221);
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_intf->callback(70, 0x31);
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_intf->callback(33, 1);
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_intf->callback(8, 0x47, 127);
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_intf->callback(67, 1, 127, 127);
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_intf->setSoundEffectChanMask(-1);
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_lastSfxChan = 0x46;
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_lastEnvChan = 0x40;
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updateVolumeSettings();
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return true;
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}
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void SoundTowns_Darkmoon::timerCallback(int timerId) {
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switch (timerId) {
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case 1:
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_timerSwitch = (_timerSwitch + 1) % 4;
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if (!_timerSwitch)
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_timer++;
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break;
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default:
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break;
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}
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}
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void SoundTowns_Darkmoon::initAudioResourceInfo(int set, void *info) {
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delete _resource[set];
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_resource[set] = info ? new SoundResourceInfo_TownsEoB(*(SoundResourceInfo_TownsEoB*)info) : 0;
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}
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void SoundTowns_Darkmoon::selectAudioResourceSet(int set) {
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delete[] _pcmData;
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if (!_resource[set] || !_resource[kMusicIngame])
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return;
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_fileList = _resource[set]->fileList;
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_fileListLen = _resource[set]->numFiles;
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_pcmDataSize = _resource[kMusicIngame]->pcmDataSize;
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_pcmData = new uint8[_pcmDataSize];
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_pcmVol = _resource[set]->pcmVolume;
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memcpy(_pcmData, _resource[kMusicIngame]->pcmData, _pcmDataSize);
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if (set == kMusicIngame)
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return;
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memcpy(_pcmData, _resource[set]->pcmData, _resource[set]->pcmDataSize);
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}
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bool SoundTowns_Darkmoon::hasSoundFile(uint file) const {
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return true;
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}
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void SoundTowns_Darkmoon::loadSoundFile(uint file) {
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if (file < _fileListLen)
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loadSoundFile(_fileList[file]);
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}
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void SoundTowns_Darkmoon::loadSoundFile(Common::String name) {
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Common::SeekableReadStream *s = _vm->resource()->createReadStream(Common::String::format("%s.SDT", name.c_str()));
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if (!s)
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error("Failed to load sound file '%s.SDT'", name.c_str());
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for (int i = 0; i < 120; i++) {
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_soundTable[i].type = s->readSByte();
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_soundTable[i].para1 = s->readSint32LE();
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_soundTable[i].para2 = s->readSint16LE();
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}
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delete s;
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uint32 bytesLeft;
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uint8 *pmb = _vm->resource()->fileData(Common::String::format("%s.PMB", name.c_str()).c_str(), &bytesLeft);
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_vm->delay(300);
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if (pmb) {
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uint8 *src = pmb + 8;
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for (int i = 0; i < 32; i++)
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_intf->callback(5, 0x40, i, &src[i << 7]);
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_intf->callback(35, -1);
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src += 0x1000;
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bytesLeft -= 0x1008;
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while (bytesLeft) {
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_intf->callback(34, src);
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uint32 len = READ_LE_UINT16(&src[12]) + 32;
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src = src + len;
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bytesLeft -= len;
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}
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delete[] pmb;
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} else {
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warning("Sound file '%s.PMB' not found.", name.c_str());
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// TODO
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}
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}
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void SoundTowns_Darkmoon::playTrack(uint8 track) {
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if (track >= 120 || !_sfxEnabled)
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return;
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uint8 *pcm = 0;
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switch (_soundTable[track].type) {
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case -1:
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if (track == 0)
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haltTrack();
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else if (track == 2)
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beginFadeOut();
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break;
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case 0:
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if (_soundTable[track].para1 == -1 || (uint32)_soundTable[track].para1 > _pcmDataSize)
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return;
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pcm = _pcmData + _soundTable[track].para1;
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WRITE_LE_UINT16(&pcm[24], _soundTable[track].para2 * 98 / 1000);
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_intf->callback(39, 0x47);
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_intf->callback(37, 0x47, 60, track == 11 ? 127 : _pcmVol, pcm);
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break;
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case 2:
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resetTrigger();
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g_system->getAudioCDManager()->play(_soundTable[track].para1 - 1, 1, 0, 0);
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break;
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case 3:
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_lastSfxChan ^= 3;
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_intf->callback(39, _lastSfxChan);
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_intf->callback(4, _lastSfxChan, _soundTable[track].para1);
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_intf->callback(1, _lastSfxChan, _soundTable[track].para2, 127);
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break;
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default:
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break;
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}
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}
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void SoundTowns_Darkmoon::haltTrack() {
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_intf->callback(39, 0x47);
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_intf->callback(39, 0x46);
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_intf->callback(39, 0x45);
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g_system->getAudioCDManager()->stop();
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}
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bool SoundTowns_Darkmoon::isPlaying() const {
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return g_system->getAudioCDManager()->isPlaying();
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}
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void SoundTowns_Darkmoon::playSoundEffect(uint16 track, uint8 volume) {
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if (!_sfxEnabled)
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return;
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if (volume == 255)
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return playTrack(track);
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uint8 *pcm = 0;
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switch (_soundTable[track].type) {
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case 0:
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if (_soundTable[track].para1 == -1 || (uint32)_soundTable[track].para1 > _pcmDataSize)
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return;
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pcm = _pcmData + _soundTable[track].para1;
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WRITE_LE_UINT16(&pcm[24], _soundTable[track].para2 * 98 / 1000);
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_intf->callback(39, 0x47);
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_intf->callback(37, 0x47, 60, volume, pcm);
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break;
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case 3:
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_intf->callback(2, _lastEnvChan);
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_intf->callback(4, _lastEnvChan, _soundTable[track].para1);
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_intf->callback(1, _lastEnvChan, _soundTable[track].para2, volume);
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break;
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default:
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break;
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}
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if (++_lastEnvChan == 0x43)
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_lastEnvChan = 0x40;
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}
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void SoundTowns_Darkmoon::stopAllSoundEffects() {
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_intf->callback(39, 0x42);
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_intf->callback(39, 0x41);
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_intf->callback(39, 0x40);
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}
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void SoundTowns_Darkmoon::beginFadeOut() {
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for (int vol = 127; vol >= 0; vol -= 2) {
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_intf->callback(67, 1, vol, vol);
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_vm->delay(16);
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}
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_intf->callback(67, 1, 0, 0);
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_intf->callback(70, 1);
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g_system->getAudioCDManager()->stop();
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_intf->callback(70, 0x31);
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_intf->callback(67, 1, 127, 127);
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}
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void SoundTowns_Darkmoon::updateVolumeSettings() {
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bool mute = (ConfMan.hasKey("mute")) ? ConfMan.getBool("mute") : false;
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_intf->setSoundEffectVolume((mute ? 0 : ConfMan.getInt("sfx_volume")));
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}
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int SoundTowns_Darkmoon::checkTrigger() {
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return _timer;
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}
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void SoundTowns_Darkmoon::resetTrigger() {
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_timer = 0;
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_timerSwitch = 0;
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}
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} // End of namespace Kyra
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#endif
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