mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-22 01:39:57 +00:00
749 lines
18 KiB
C++
749 lines
18 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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* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "scumm/sound.h"
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#include "scumm/player_towns.h"
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namespace Scumm {
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Player_Towns::Player_Towns(ScummEngine *vm, bool isVersion2) : _vm(vm), _v2(isVersion2), _numSoundMax(isVersion2 ? 256 : 200) {
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memset(_pcmCurrentSound, 0, sizeof(_pcmCurrentSound));
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_unkFlags = 0x33;
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_intf = 0;
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}
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void Player_Towns::setSfxVolume(int vol) {
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if (!_intf)
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return;
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_intf->setSoundEffectVolume(vol);
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}
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int Player_Towns::getSoundStatus(int sound) const {
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if (!_intf)
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return 0;
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for (int i = 1; i < 9; i++) {
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if (_pcmCurrentSound[i].index == sound)
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return _intf->callback(40, 0x3f + i) ? 1 : 0;
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}
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return 0;
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}
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void Player_Towns::saveLoadWithSerializer(Serializer *ser) {
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static const SaveLoadEntry pcmEntries[] = {
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MKLINE(PcmCurrentSound, index, sleInt16, VER(81)),
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MKLINE(PcmCurrentSound, chan, sleInt16, VER(81)),
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MKLINE(PcmCurrentSound, note, sleUint8, VER(81)),
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MKLINE(PcmCurrentSound, velo, sleUint8, VER(81)),
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MKLINE(PcmCurrentSound, pan, sleUint8, VER(81)),
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MKLINE(PcmCurrentSound, paused, sleUint8, VER(81)),
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MKLINE(PcmCurrentSound, looping, sleUint8, VER(81)),
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MKLINE(PcmCurrentSound, priority, sleUint32, VER(81)),
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MKEND()
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};
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for (int i = 1; i < 9; i++) {
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if (!_pcmCurrentSound[i].index)
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continue;
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if (_intf->callback(40, i + 0x3f))
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continue;
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_intf->callback(39, i + 0x3f);
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_pcmCurrentSound[i].index = 0;
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}
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ser->saveLoadArrayOf(_pcmCurrentSound, 9, sizeof(PcmCurrentSound), pcmEntries);
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}
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void Player_Towns::restoreAfterLoad() {
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for (int i = 1; i < 9; i++) {
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if (!_pcmCurrentSound[i].index || _pcmCurrentSound[i].index == 0xffff)
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continue;
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uint8 *ptr = _vm->getResourceAddress(rtSound, _pcmCurrentSound[i].index);
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if (!ptr)
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continue;
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if (_vm->_game.version != 3)
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ptr += 2;
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if (ptr[13])
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continue;
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playPcmTrack(_pcmCurrentSound[i].index, ptr + 6, _pcmCurrentSound[i].velo, _pcmCurrentSound[i].pan, _pcmCurrentSound[i].note, _pcmCurrentSound[i].priority);
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}
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}
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void Player_Towns::playPcmTrack(int sound, const uint8 *data, int velo, int pan, int note, int priority) {
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if (!_intf)
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return;
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const uint8 *sfxData = data + 16;
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int numChan = _v2 ? 1 : data[14];
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for (int i = 0; i < numChan; i++) {
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int chan = allocatePcmChannel(sound, i, priority);
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if (!chan)
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return;
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_intf->callback(70, _unkFlags);
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_intf->callback(3, chan + 0x3f, pan);
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_intf->callback(37, chan + 0x3f, note, velo, sfxData);
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_pcmCurrentSound[chan].note = note;
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_pcmCurrentSound[chan].velo = velo;
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_pcmCurrentSound[chan].pan = pan;
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_pcmCurrentSound[chan].paused = 0;
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_pcmCurrentSound[chan].looping = READ_LE_UINT32(&sfxData[20]) ? 1 : 0;
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sfxData += (READ_LE_UINT32(&sfxData[12]) + 32);
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}
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}
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void Player_Towns::stopPcmTrack(int sound) {
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if (!_intf)
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return;
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for (int i = 1; i < 9; i++) {
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if (sound == _pcmCurrentSound[i].index || !sound) {
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_intf->callback(39, i + 0x3f);
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_pcmCurrentSound[i].index = 0;
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}
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}
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}
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int Player_Towns::allocatePcmChannel(int sound, int sfxChanRelIndex, uint32 priority) {
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if (!_intf)
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return 0;
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int chan = 0;
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if (_v2 && priority > 255) {
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chan = 8;
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if (_intf->callback(40, 0x47))
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_intf->callback(39, 0x47);
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} else {
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for (int i = 8; i; i--) {
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if (!_pcmCurrentSound[i].index) {
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chan = i;
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continue;
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}
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if (_intf->callback(40, i + 0x3f))
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continue;
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chan = i;
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if (_pcmCurrentSound[chan].index == 0xffff)
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_intf->callback(39, chan + 0x3f);
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else
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_vm->_sound->stopSound(_pcmCurrentSound[chan].index);
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}
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if (!chan) {
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for (int i = 1; i < 9; i++) {
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if (priority >= _pcmCurrentSound[i].priority)
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chan = i;
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}
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if (_pcmCurrentSound[chan].index == 0xffff)
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_intf->callback(39, chan + 0x3f);
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else
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_vm->_sound->stopSound(_pcmCurrentSound[chan].index);
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}
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}
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if (chan) {
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_pcmCurrentSound[chan].index = sound;
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_pcmCurrentSound[chan].chan = sfxChanRelIndex;
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_pcmCurrentSound[chan].priority = priority;
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}
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return chan;
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}
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Player_Towns_v1::Player_Towns_v1(ScummEngine *vm, Audio::Mixer *mixer) : Player_Towns(vm, false) {
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_soundOverride = 0;
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_cdaCurrentSound = _eupCurrentSound = _cdaNumLoops = 0;
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_cdaForceRestart = 0;
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_cdaVolLeft = _cdaVolRight = 0;
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_eupVolLeft = _eupVolRight = 0;
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_eupLooping = false;
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if (_vm->_game.version == 3) {
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_soundOverride = new SoundOvrParameters[_numSoundMax];
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memset(_soundOverride, 0, _numSoundMax * sizeof(SoundOvrParameters));
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}
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_driver = new TownsEuphonyDriver(mixer);
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}
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Player_Towns_v1::~Player_Towns_v1() {
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delete _driver;
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delete[] _soundOverride;
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}
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bool Player_Towns_v1::init() {
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if (!_driver)
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return false;
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if (!_driver->init())
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return false;
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_driver->reserveSoundEffectChannels(8);
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_intf = _driver->intf();
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// Treat all 6 fm channels and all 8 pcm channels as sound effect channels
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// since music seems to exist as CD audio only in the games which use this
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// MusicEngine implementation.
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_intf->setSoundEffectChanMask(-1);
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setVolumeCD(255, 255);
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return true;
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}
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void Player_Towns_v1::setMusicVolume(int vol) {
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_driver->setMusicVolume(vol);
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}
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void Player_Towns_v1::startSound(int sound) {
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uint8 *ptr = _vm->getResourceAddress(rtSound, sound);
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if (_vm->_game.version != 3)
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ptr += 2;
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int type = ptr[13];
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if (type == 0) {
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uint8 velocity = 0;
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uint8 note = 0;
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if (_vm->_game.version == 3) {
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velocity = (_soundOverride[sound].vLeft + _soundOverride[sound].vRight);
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note = _soundOverride[sound].note;
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}
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velocity = velocity ? velocity >> 2 : ptr[14] >> 1;
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playPcmTrack(sound, ptr + 6, velocity, 64, note ? note : ptr[50], READ_LE_UINT16(ptr + 10));
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} else if (type == 1) {
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playEuphonyTrack(sound, ptr + 6);
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} else if (type == 2) {
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playCdaTrack(sound, ptr + 6);
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}
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if (_vm->_game.version == 3)
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_soundOverride[sound].vLeft = _soundOverride[sound].vRight = _soundOverride[sound].note = 0;
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}
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void Player_Towns_v1::stopSound(int sound) {
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if (sound == 0 || sound == _cdaCurrentSound) {
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_cdaCurrentSound = 0;
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_vm->_sound->stopCD();
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_vm->_sound->stopCDTimer();
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}
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if (sound != 0 && sound == _eupCurrentSound) {
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_eupCurrentSound = 0;
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_eupLooping = false;
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_driver->stopParser();
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}
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stopPcmTrack(sound);
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}
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void Player_Towns_v1::stopAllSounds() {
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_cdaCurrentSound = 0;
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_vm->_sound->stopCD();
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_vm->_sound->stopCDTimer();
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_eupCurrentSound = 0;
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_eupLooping = false;
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_driver->stopParser();
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stopPcmTrack(0);
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}
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int Player_Towns_v1::getSoundStatus(int sound) const {
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if (sound == _cdaCurrentSound)
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return _vm->_sound->pollCD();
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if (sound == _eupCurrentSound)
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return _driver->parserIsPlaying() ? 1 : 0;
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return Player_Towns::getSoundStatus(sound);
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}
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int32 Player_Towns_v1::doCommand(int numargs, int args[]) {
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int32 res = 0;
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switch (args[0]) {
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case 2:
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_driver->intf()->callback(73, 0);
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break;
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case 3:
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restartLoopingSounds();
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break;
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case 8:
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startSound(args[1]);
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break;
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case 9:
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_vm->_sound->stopSound(args[1]);
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break;
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case 11:
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stopPcmTrack(0);
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break;
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case 14:
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startSoundEx(args[1], args[2], args[3], args[4]);
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break;
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case 15:
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stopSoundSuspendLooping(args[1]);
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break;
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default:
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warning("Player_Towns_v1::doCommand: Unknown command %d", args[0]);
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break;
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}
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return res;
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}
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void Player_Towns_v1::setVolumeCD(int left, int right) {
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_cdaVolLeft = left & 0xff;
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_cdaVolRight = right & 0xff;
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_driver->setOutputVolume(1, left >> 1, right >> 1);
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}
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void Player_Towns_v1::setSoundVolume(int sound, int left, int right) {
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if (_soundOverride && sound > 0 && sound < _numSoundMax) {
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_soundOverride[sound].vLeft = left;
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_soundOverride[sound].vRight = right;
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}
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}
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void Player_Towns_v1::setSoundNote(int sound, int note) {
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if (_soundOverride && sound > 0 && sound < _numSoundMax)
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_soundOverride[sound].note = note;
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}
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void Player_Towns_v1::saveLoadWithSerializer(Serializer *ser) {
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_cdaCurrentSoundTemp = (_vm->_sound->pollCD() && _cdaNumLoops > 1) ? _cdaCurrentSound & 0xff : 0;
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_cdaNumLoopsTemp = _cdaNumLoops & 0xff;
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static const SaveLoadEntry cdEntries[] = {
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MKLINE(Player_Towns_v1, _cdaCurrentSoundTemp, sleUint8, VER(81)),
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MKLINE(Player_Towns_v1, _cdaNumLoopsTemp, sleUint8, VER(81)),
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MKLINE(Player_Towns_v1, _cdaVolLeft, sleUint8, VER(81)),
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MKLINE(Player_Towns_v1, _cdaVolRight, sleUint8, VER(81)),
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MKEND()
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};
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ser->saveLoadEntries(this, cdEntries);
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if (!_eupLooping && !_driver->parserIsPlaying())
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_eupCurrentSound = 0;
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static const SaveLoadEntry eupEntries[] = {
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MKLINE(Player_Towns_v1, _eupCurrentSound, sleUint8, VER(81)),
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MKLINE(Player_Towns_v1, _eupLooping, sleUint8, VER(81)),
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MKLINE(Player_Towns_v1, _eupVolLeft, sleUint8, VER(81)),
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MKLINE(Player_Towns_v1, _eupVolRight, sleUint8, VER(81)),
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MKEND()
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};
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ser->saveLoadEntries(this, eupEntries);
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Player_Towns::saveLoadWithSerializer(ser);
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}
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void Player_Towns_v1::restoreAfterLoad() {
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setVolumeCD(_cdaVolLeft, _cdaVolRight);
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if (_cdaCurrentSoundTemp) {
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uint8 *ptr = _vm->getResourceAddress(rtSound, _cdaCurrentSoundTemp) + 6;
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if (_vm->_game.version != 3)
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ptr += 2;
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if (ptr[7] == 2) {
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playCdaTrack(_cdaCurrentSoundTemp, ptr, true);
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_cdaCurrentSound = _cdaCurrentSoundTemp;
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_cdaNumLoops = _cdaNumLoopsTemp;
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}
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}
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if (_eupCurrentSound) {
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uint8 *ptr = _vm->getResourceAddress(rtSound, _eupCurrentSound) + 6;
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if (_vm->_game.version != 3)
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ptr += 2;
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if (ptr[7] == 1) {
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setSoundVolume(_eupCurrentSound, _eupVolLeft, _eupVolRight);
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playEuphonyTrack(_eupCurrentSound, ptr);
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}
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}
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Player_Towns::restoreAfterLoad();
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}
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void Player_Towns_v1::restartLoopingSounds() {
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if (_cdaNumLoops && !_cdaForceRestart)
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_cdaForceRestart = 1;
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for (int i = 1; i < 9; i++) {
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if (!_pcmCurrentSound[i].paused)
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continue;
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_pcmCurrentSound[i].paused = 0;
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uint8 *ptr = _vm->getResourceAddress(rtSound, _pcmCurrentSound[i].index);
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if (!ptr)
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continue;
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ptr += 24;
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int c = 1;
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while (_pcmCurrentSound[i].chan != c) {
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ptr = ptr + READ_LE_UINT32(&ptr[12]) + 32;
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c++;
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}
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_driver->playSoundEffect(i + 0x3f, _pcmCurrentSound[i].note, _pcmCurrentSound[i].velo, ptr);
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}
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_driver->intf()->callback(73, 1);
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}
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void Player_Towns_v1::startSoundEx(int sound, int velo, int pan, int note) {
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uint8 *ptr = _vm->getResourceAddress(rtSound, sound) + 2;
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if (pan > 99)
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pan = 99;
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velo = velo ? (velo * ptr[14] + 50) / 100 : ptr[14];
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velo = CLIP(velo, 1, 255);
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uint16 pri = READ_LE_UINT16(ptr + 10);
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if (ptr[13] == 0) {
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velo >>= 1;
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if (!velo)
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velo = 1;
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pan = pan ? (((pan << 7) - pan) + 50) / 100 : 64;
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playPcmTrack(sound, ptr + 6, velo ? velo : ptr[14] >> 1, pan, note ? note : ptr[50], pri);
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} else if (ptr[13] == 2) {
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int volLeft = velo;
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int volRight = velo;
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if (pan < 50)
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volRight = ((pan * 2 + 1) * velo + 50) / 100;
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else if (pan > 50)
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volLeft = (((99 - pan) * 2 + 1) * velo + 50) / 100;
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setVolumeCD(volLeft, volRight);
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if (!_cdaForceRestart && sound == _cdaCurrentSound)
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return;
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playCdaTrack(sound, ptr + 6, true);
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}
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}
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void Player_Towns_v1::stopSoundSuspendLooping(int sound) {
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if (!sound) {
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return;
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} else if (sound == _cdaCurrentSound) {
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if (_cdaNumLoops && _cdaForceRestart)
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_cdaForceRestart = 1;
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} else {
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for (int i = 1; i < 9; i++) {
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if (sound == _pcmCurrentSound[i].index) {
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if (!_driver->soundEffectIsPlaying(i + 0x3f))
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continue;
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_driver->stopSoundEffect(i + 0x3f);
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if (_pcmCurrentSound[i].looping)
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_pcmCurrentSound[i].paused = 1;
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else
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_pcmCurrentSound[i].index = 0;
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}
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}
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}
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}
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void Player_Towns_v1::playEuphonyTrack(int sound, const uint8 *data) {
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const uint8 *pos = data + 16;
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const uint8 *src = pos + data[14] * 48;
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const uint8 *trackData = src + 150;
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for (int i = 0; i < 32; i++)
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_driver->chanEnable(i, *src++);
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for (int i = 0; i < 32; i++)
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_driver->chanMode(i, 0xff);
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for (int i = 0; i < 32; i++)
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_driver->chanOrdr(i, *src++);
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for (int i = 0; i < 32; i++)
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_driver->chanVolumeShift(i, *src++);
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for (int i = 0; i < 32; i++)
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_driver->chanNoteShift(i, *src++);
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src += 8;
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for (int i = 0; i < 6; i++)
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_driver->assignChannel(i, *src++);
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|
|
for (int i = 0; i < data[14]; i++) {
|
|
_driver->loadInstrument(i, i, pos + i * 48);
|
|
_driver->intf()->callback(4, i, i);
|
|
}
|
|
|
|
_eupVolLeft = _soundOverride[sound].vLeft;
|
|
_eupVolRight = _soundOverride[sound].vRight;
|
|
int lvl = _soundOverride[sound].vLeft + _soundOverride[sound].vRight;
|
|
if (!lvl)
|
|
lvl = data[8] + data[9];
|
|
lvl >>= 2;
|
|
|
|
for (int i = 0; i < 6; i++)
|
|
_driver->chanVolume(i, lvl);
|
|
|
|
uint32 trackSize = READ_LE_UINT32(src);
|
|
src += 4;
|
|
uint8 startTick = *src++;
|
|
|
|
_driver->setMusicTempo(*src++);
|
|
_driver->startMusicTrack(trackData, trackSize, startTick);
|
|
|
|
_eupLooping = (*src != 1) ? 1 : 0;
|
|
_driver->setMusicLoop(_eupLooping != 0);
|
|
_driver->continueParsing();
|
|
_eupCurrentSound = sound;
|
|
}
|
|
|
|
void Player_Towns_v1::playCdaTrack(int sound, const uint8 *data, bool skipTrackVelo) {
|
|
const uint8 *ptr = data;
|
|
|
|
if (!sound)
|
|
return;
|
|
|
|
if (!skipTrackVelo) {
|
|
if (_vm->_game.version == 3) {
|
|
if (_soundOverride[sound].vLeft + _soundOverride[sound].vRight)
|
|
setVolumeCD(_soundOverride[sound].vLeft, _soundOverride[sound].vRight);
|
|
else
|
|
setVolumeCD(ptr[8], ptr[9]);
|
|
} else {
|
|
setVolumeCD(ptr[8], ptr[9]);
|
|
}
|
|
}
|
|
|
|
if (sound == _cdaCurrentSound && _vm->_sound->pollCD() == 1)
|
|
return;
|
|
|
|
ptr += 16;
|
|
|
|
int track = ptr[0];
|
|
_cdaNumLoops = ptr[1];
|
|
int start = (ptr[2] * 60 + ptr[3]) * 75 + ptr[4];
|
|
int end = (ptr[5] * 60 + ptr[6]) * 75 + ptr[7];
|
|
|
|
_vm->_sound->playCDTrack(track, _cdaNumLoops == 0xff ? -1 : _cdaNumLoops, start, end <= start ? 0 : end - start);
|
|
_cdaForceRestart = 0;
|
|
_cdaCurrentSound = sound;
|
|
}
|
|
|
|
Player_Towns_v2::Player_Towns_v2(ScummEngine *vm, IMuse *imuse, Audio::Mixer *mixer, bool disposeIMuse) : Player_Towns(vm, true), _imuse(imuse), _imuseDispose(disposeIMuse) {
|
|
_soundOverride = new SoundOvrParameters[_numSoundMax];
|
|
memset(_soundOverride, 0, _numSoundMax * sizeof(SoundOvrParameters));
|
|
_sblData = 0;
|
|
_intf = new TownsAudioInterface(mixer, 0);
|
|
}
|
|
|
|
Player_Towns_v2::~Player_Towns_v2() {
|
|
delete _intf;
|
|
|
|
if (_imuseDispose)
|
|
delete _imuse;
|
|
|
|
delete[] _sblData;
|
|
delete[] _soundOverride;
|
|
}
|
|
|
|
bool Player_Towns_v2::init() {
|
|
if (!_intf)
|
|
return false;
|
|
|
|
if (!_intf->init())
|
|
return false;
|
|
|
|
_intf->callback(33, 8);
|
|
_intf->setSoundEffectChanMask(~0x3f);
|
|
|
|
return true;
|
|
}
|
|
|
|
void Player_Towns_v2::setMusicVolume(int vol) {
|
|
_imuse->setMusicVolume(vol);
|
|
}
|
|
|
|
int Player_Towns_v2::getSoundStatus(int sound) const {
|
|
if (_soundOverride[sound].type == 7)
|
|
return Player_Towns::getSoundStatus(sound);
|
|
return _imuse->getSoundStatus(sound);
|
|
}
|
|
|
|
void Player_Towns_v2::startSound(int sound) {
|
|
uint8 *ptr = _vm->getResourceAddress(rtSound, sound);
|
|
|
|
if (READ_BE_UINT32(ptr) == MKID_BE('TOWS')) {
|
|
_soundOverride[sound].type = 7;
|
|
uint8 velo = _soundOverride[sound].velo ? _soundOverride[sound].velo - 1: (ptr[10] + ptr[11] + 1) >> 1;
|
|
uint8 pan = _soundOverride[sound].pan ? _soundOverride[sound].pan - 1 : 64;
|
|
uint8 pri = ptr[9];
|
|
_soundOverride[sound].velo = _soundOverride[sound].pan = 0;
|
|
playPcmTrack(sound, ptr + 8, velo, pan, ptr[52], pri);
|
|
|
|
} else if (READ_BE_UINT32(ptr) == MKID_BE('SBL ')) {
|
|
_soundOverride[sound].type = 5;
|
|
playVocTrack(ptr + 27);
|
|
|
|
} else {
|
|
_soundOverride[sound].type = 3;
|
|
_imuse->startSound(sound);
|
|
}
|
|
}
|
|
|
|
void Player_Towns_v2::stopSound(int sound) {
|
|
if (_soundOverride[sound].type == 7) {
|
|
stopPcmTrack(sound);
|
|
} else {
|
|
_imuse->stopSound(sound);
|
|
}
|
|
}
|
|
|
|
void Player_Towns_v2::stopAllSounds() {
|
|
stopPcmTrack(0);
|
|
_imuse->stopAllSounds();
|
|
}
|
|
|
|
int32 Player_Towns_v2::doCommand(int numargs, int args[]) {
|
|
int32 res = -1;
|
|
uint8 *ptr = 0;
|
|
|
|
switch (args[0]) {
|
|
case 8:
|
|
startSound(args[1]);
|
|
res = 0;
|
|
break;
|
|
|
|
case 9:
|
|
case 15:
|
|
stopSound(args[1]);
|
|
res = 0;
|
|
break;
|
|
|
|
case 11:
|
|
stopPcmTrack(0);
|
|
break;
|
|
|
|
case 13:
|
|
res = getSoundStatus(args[1]);
|
|
break;
|
|
|
|
case 258:
|
|
if (_soundOverride[args[1]].type == 0) {
|
|
ptr = _vm->getResourceAddress(rtSound, args[1]);
|
|
if (READ_BE_UINT32(ptr) == MKID_BE('TOWS'))
|
|
_soundOverride[args[1]].type = 7;
|
|
}
|
|
if (_soundOverride[args[1]].type == 7) {
|
|
_soundOverride[args[1]].velo = args[2] + 1;
|
|
res = 0;
|
|
}
|
|
break;
|
|
|
|
case 259:
|
|
if (_soundOverride[args[1]].type == 0) {
|
|
ptr = _vm->getResourceAddress(rtSound, args[1]);
|
|
if (READ_BE_UINT32(ptr) == MKID_BE('TOWS'))
|
|
_soundOverride[args[1]].type = 7;
|
|
}
|
|
if (_soundOverride[args[1]].type == 7) {
|
|
_soundOverride[args[1]].pan = 64 - CLIP<int>(args[2], -63, 63);
|
|
res = 0;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (res == -1)
|
|
return _imuse->doCommand(numargs, args);
|
|
|
|
return res;
|
|
}
|
|
|
|
void Player_Towns_v2::saveLoadWithSerializer(Serializer *ser) {
|
|
if (ser->getVersion() >= 83)
|
|
Player_Towns::saveLoadWithSerializer(ser);
|
|
}
|
|
|
|
void Player_Towns_v2::playVocTrack(const uint8 *data) {
|
|
static const uint8 header[] = {
|
|
0x54, 0x61, 0x6C, 0x6B, 0x69, 0x65, 0x20, 0x20,
|
|
0x78, 0x56, 0x34, 0x12, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x36, 0x04, 0x00, 0x00, 0x3C, 0x00, 0x00, 0x00
|
|
};
|
|
|
|
uint32 len = (READ_LE_UINT32(data) >> 8) - 2;
|
|
|
|
int chan = allocatePcmChannel(0xffff, 0, 0x1000);
|
|
if (!chan)
|
|
return;
|
|
|
|
delete[] _sblData;
|
|
_sblData = new uint8[len + 32];
|
|
|
|
memcpy(_sblData, header, 32);
|
|
WRITE_LE_UINT32(_sblData + 12, len);
|
|
|
|
const uint8 *src = data + 6;
|
|
uint8 *dst = _sblData + 32;
|
|
for (uint32 i = 0; i < len; i++)
|
|
*dst++ = *src & 0x80 ? (*src++ & 0x7f) : -*src++;
|
|
|
|
_intf->callback(37, 0x3f + chan, 60, 127, _sblData);
|
|
_pcmCurrentSound[chan].paused = 0;
|
|
}
|
|
|
|
} // End of namespace Scumm
|