syncsound_node.cpp

/* 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 "common/scummsys.h"

#include "zvision/scripting/sidefx/syncsound_node.h"

#include "zvision/zvision.h"
#include "zvision/scripting/script_manager.h"
#include "zvision/graphics/render_manager.h"
#include "zvision/sound/zork_raw.h"

#include "common/stream.h"
#include "common/file.h"
#include "audio/decoders/wave.h"


namespace ZVision {

SyncSoundNode::SyncSoundNode(ZVision *engine, uint32 key, Common::String &filename, int32 syncto)
	: SideFX(engine, key, SIDEFX_AUDIO) {
	_syncto = syncto;
	_sub = NULL;

	Audio::RewindableAudioStream *audioStream = NULL;

	if (filename.contains(".wav")) {
		Common::File *file = new Common::File();
		if (_engine->getSearchManager()->openFile(*file, filename)) {
			audioStream = Audio::makeWAVStream(file, DisposeAfterUse::YES);
		}
	} else {
		audioStream = makeRawZorkStream(filename, _engine);
	}

	_engine->_mixer->playStream(Audio::Mixer::kPlainSoundType, &_handle, audioStream);

	Common::String subname = filename;
	subname.setChar('s', subname.size() - 3);
	subname.setChar('u', subname.size() - 2);
	subname.setChar('b', subname.size() - 1);

	if (_engine->getSearchManager()->hasFile(subname))
		_sub = new Subtitle(_engine, subname);
}

SyncSoundNode::~SyncSoundNode() {
	_engine->_mixer->stopHandle(_handle);
	if (_sub)
		delete _sub;
}

bool SyncSoundNode::process(uint32 deltaTimeInMillis) {
	if (! _engine->_mixer->isSoundHandleActive(_handle))
		return stop();
	else {

		if (_engine->getScriptManager()->getSideFX(_syncto) == NULL)
			return stop();

		if (_sub)
			_sub->process(_engine->_mixer->getSoundElapsedTime(_handle) / 100);
	}
	return false;
}

} // End of namespace ZVision