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/* 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 "sci/engine/kernel.h"
#include "sci/util.h"
#include "sync.h"
namespace Sci {
Sync::Sync(ResourceManager *resMan, SegManager *segMan) :
_resMan(resMan),
_segMan(segMan),
_resource(nullptr),
_offset(0) {}
Sync::~Sync() {
stop();
}
void Sync::start(const ResourceId id, const reg_t syncObjAddr) {
_resource = _resMan->findResource(id, true);
_offset = 0;
if (_resource) {
writeSelectorValue(_segMan, syncObjAddr, SELECTOR(syncCue), 0);
} else {
warning("Sync::start: failed to find resource %s", id.toString().c_str());
// Notify the scripts to stop sound sync
writeSelectorValue(_segMan, syncObjAddr, SELECTOR(syncCue), SIGNAL_OFFSET);
}
}
void Sync::next(const reg_t syncObjAddr) {
if (_resource && (_offset < _resource->size() - 1)) {
int16 syncCue = -1;
int16 syncTime = _resource->getInt16SEAt(_offset);
_offset += 2;
if ((syncTime != -1) && (_offset < _resource->size() - 1)) {
syncCue = _resource->getInt16SEAt(_offset);
_offset += 2;
}
writeSelectorValue(_segMan, syncObjAddr, SELECTOR(syncTime), syncTime);
writeSelectorValue(_segMan, syncObjAddr, SELECTOR(syncCue), syncCue);
}
}
void Sync::stop() {
if (_resource) {
_resMan->unlockResource(_resource);
_resource = nullptr;
}
}
} // End of namespace Sci
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