bool AVISurface::play(int startFrame, int endFrame, int initialFrame, uint flags, CGameObject *obj) {
CMovieRangeInfo *info = new CMovieRangeInfo();
info->_startFrame = startFrame;
info->_endFrame = endFrame;
info->_isReversed = endFrame < startFrame;
info->_initialFrame = 0;
info->_isRepeat = flags & MOVIE_REPEAT;
if (obj) {
CMovieEvent *me = new CMovieEvent();
me->_type = MET_MOVIE_END;
me->_startFrame = startFrame;
me->_endFrame = endFrame;
me->_initialFrame = 0;
me->_gameObject = obj;
info->addEvent(me);
}
_movieRangeInfo.push_back(info);
if (_movieRangeInfo.size() == 1) {
// First play call, so start the movie playing
setReversed(info->_isReversed);
return startAtFrame(initialFrame);
} else {
return true;
}
}
bool AVISurface::handleEvents(CMovieEventList &events) {
if (!isPlaying())
return true;
CMovieRangeInfo *info = _movieRangeInfo.front();
_priorFrame = _currentFrame;
_currentFrame += _isReversed ? -1 : 1;
int newFrame = _currentFrame;
if ((info->_isReversed && newFrame < info->_endFrame) ||
(!info->_isReversed && newFrame > info->_endFrame)) {
if (info->_isRepeat) {
newFrame = info->_startFrame;
} else {
info->getMovieEnd(events);
_movieRangeInfo.remove(info);
delete info;
if (_movieRangeInfo.empty()) {
// No more ranges, so stop playback
stop();
} else {
// Not empty, so move onto new first one
info = _movieRangeInfo.front();
newFrame = info->_startFrame;
setReversed(info->_isReversed);
}
}
}
if (isPlaying()) {
if (newFrame != getFrame()) {
// The frame has been changed, so move to new position
seekToFrame(newFrame);
renderFrame();
}
// Get any events for the given position
info->getMovieFrame(events, newFrame);
return renderFrame();
} else {
return false;
}
}
bool AVISurface::addEvent(int frameNumber, CGameObject *obj) {
if (!_movieRangeInfo.empty()) {
CMovieRangeInfo *tail = _movieRangeInfo.back();
if (frameNumber == -1)
frameNumber = tail->_startFrame;
CMovieEvent *me = new CMovieEvent();
me->_type = MET_FRAME;
me->_startFrame = 0;
me->_endFrame = 0;
me->_initialFrame = frameNumber;
me->_gameObject = obj;
tail->addEvent(me);
return _movieRangeInfo.size() == 1 && frameNumber == getFrame();
}
return false;
}