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Diffstat (limited to 'engines/cine/sfx_player.cpp')
| -rw-r--r-- | engines/cine/sfx_player.cpp | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/engines/cine/sfx_player.cpp b/engines/cine/sfx_player.cpp deleted file mode 100644 index 86ca2754a8..0000000000 --- a/engines/cine/sfx_player.cpp +++ /dev/null @@ -1,196 +0,0 @@ -/* ScummVM - Scumm Interpreter - * Copyright (C) 2006 The ScummVM project - * - * cinE Engine is (C) 2004-2005 by CinE Team - * - * 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. - * - * $URL$ - * $Id$ - * - */ - -#include "common/stdafx.h" -#include "common/endian.h" -#include "common/system.h" - -#include "cine/cine.h" -#include "cine/sfx_player.h" -#include "cine/sound_driver.h" -#include "cine/unpack.h" -#include "cine/various.h" - -namespace Cine { - -SfxPlayer::SfxPlayer(SoundDriver *driver) - : _playing(false), _driver(driver) { - memset(_instrumentsData, 0, sizeof(_instrumentsData)); - _sfxData = NULL; - _fadeOutCounter = 0; - _driver->setUpdateCallback(updateCallback, this); -} - -SfxPlayer::~SfxPlayer() { - _driver->setUpdateCallback(NULL, NULL); - if (_playing) { - stop(); - } -} - -bool SfxPlayer::load(const char *song) { - debug(9, "SfxPlayer::load('%s')", song); - - /* stop (w/ fade out) the previous song */ - while (_fadeOutCounter != 0 && _fadeOutCounter < 100) { - g_system->delayMillis(50); - } - _fadeOutCounter = 0; - - if (_playing) { - stop(); - } - - /* like the original PC version, skip introduction song (file doesn't exist) */ - if (g_cine->getGameType() == Cine::GType_OS && strncmp(song, "INTRO", 5) == 0) { - return 0; - } - - _sfxData = readBundleSoundFile(song); - if (!_sfxData) { - warning("Unable to load soundfx module '%s'", song); - return 0; - } - - for (int i = 0; i < NUM_INSTRUMENTS; ++i) { - _instrumentsData[i] = NULL; - - char instrument[13]; - memcpy(instrument, _sfxData + 20 + i * 30, 12); - instrument[12] = '\0'; - - if (strlen(instrument) != 0) { - char *dot = strrchr(instrument, '.'); - if (dot) { - *dot = '\0'; - } - strcat(instrument, _driver->getInstrumentExtension()); - _instrumentsData[i] = readBundleSoundFile(instrument); - if (!_instrumentsData[i]) { - warning("Unable to load soundfx instrument '%s'", instrument); - } - } - } - return 1; -} - -void SfxPlayer::play() { - debug(9, "SfxPlayer::play()"); - if (_sfxData) { - for (int i = 0; i < NUM_CHANNELS; ++i) { - _instrumentsChannelTable[i] = -1; - } - _currentPos = 0; - _currentOrder = 0; - _numOrders = _sfxData[470]; - _eventsDelay = (252 - _sfxData[471]) * 50 / 1060; - _updateTicksCounter = 0; - _playing = true; - } -} - -void SfxPlayer::stop() { - if (_playing || _fadeOutCounter != 0) { - _fadeOutCounter = 0; - _playing = false; - for (int i = 0; i < NUM_CHANNELS; ++i) { - _driver->stopChannel(i); - } - _driver->stopSound(); - unload(); - } -} - -void SfxPlayer::fadeOut() { - if (_playing) { - _fadeOutCounter = 1; - _playing = false; - } -} - -void SfxPlayer::updateCallback(void *ref) { - ((SfxPlayer *)ref)->update(); -} - -void SfxPlayer::update() { - if (_playing || (_fadeOutCounter != 0 && _fadeOutCounter < 100)) { - ++_updateTicksCounter; - if (_updateTicksCounter > _eventsDelay) { - handleEvents(); - _updateTicksCounter = 0; - } - } -} - -void SfxPlayer::handleEvents() { - const byte *patternData = _sfxData + 600; - const byte *orderTable = _sfxData + 472; - uint16 patternNum = orderTable[_currentOrder] * 1024; - - for (int i = 0; i < 4; ++i) { - handlePattern(i, patternData + patternNum + _currentPos); - patternData += 4; - } - - if (_fadeOutCounter != 0 && _fadeOutCounter < 100) { - _fadeOutCounter += 2; - } - _currentPos += 16; - if (_currentPos >= 1024) { - _currentPos = 0; - ++_currentOrder; - if (_currentOrder == _numOrders) { - _currentOrder = 0; - } - } - debug(7, "_currentOrder=%d/%d _currentPos=%d", _currentOrder, _numOrders, _currentPos); -} - -void SfxPlayer::handlePattern(int channel, const byte *patternData) { - int instrument = patternData[2] >> 4; - if (instrument != 0) { - --instrument; - if (_instrumentsChannelTable[channel] != instrument || _fadeOutCounter != 0) { - _instrumentsChannelTable[channel] = instrument; - const int volume = _sfxData[instrument] - _fadeOutCounter; - _driver->setupChannel(channel, _instrumentsData[instrument], instrument, volume); - } - } - int16 freq = (int16)READ_BE_UINT16(patternData); - if (freq > 0) { - _driver->stopChannel(channel); - _driver->setChannelFrequency(channel, freq); - } -} - -void SfxPlayer::unload() { - for (int i = 0; i < NUM_INSTRUMENTS; ++i) { - free(_instrumentsData[i]); - _instrumentsData[i] = NULL; - } - free(_sfxData); - _sfxData = NULL; -} - -} // End of namespace Cine |