void ProxyObject::setParent(const ProxyObjectPtr &parent,
TemporalValue<Location>::Time timeStamp,
const Location &absLocation,
const Location &relLocation) {
if (!parent) {
unsetParent(timeStamp, absLocation);
return;
}
ProxyObjectPtr oldParent (getParentProxy());
if (oldParent) {
oldParent->ProxyObjectProvider::removeListener(this);
}
parent->ProxyObjectProvider::addListener(this);
// Using now() should best allow a linear extrapolation to work.
Location lastPosition(globalLocation(timeStamp));
mParentId = parent->getObjectReference();
Location newparentLastGlobal(parent->globalLocation(timeStamp));
/*
std::cout<<" Last parent global "<<std::endl<<newparentLastGlobal<<std::endl<<
"global loc = "<<std::endl<<lastPosition<<
std::endl<<"local loc = "<<std::endl<<lastPosition.toLocal(newparentLastGlobal)<<std::endl;
*/
mLocation.resetValue(timeStamp, lastPosition.toLocal(newparentLastGlobal));
mLocation.updateValue(timeStamp, relLocation);
PositionProvider::notify(&PositionListener::setParent,
parent,
timeStamp,
absLocation,
relLocation);
}
void Picture::Remove (Iterator& i) {
UList* doomed = Elem(i);
Graphic* g = graphic(doomed);
Next(i);
unsetParent(g);
_kids->Remove(doomed);
delete doomed;
uncacheExtent();
uncacheParents();
}
void ProxyObject::setParent(const ProxyObjectPtr &parent,
TemporalValue<Location>::Time timeStamp) {
if (!parent) {
unsetParent(timeStamp);
return;
}
Location globalParent (parent->globalLocation(timeStamp));
Location globalLoc (globalLocation(timeStamp));
// std::cout << "Extrapolated = "<<extrapolateLocation(timeStamp)<<std::endl;
Location localLoc (globalLoc.toLocal(globalParent));
/*
std::cout<<" Setting parent "<<std::endl<<globalParent<<std::endl<<
"global loc = "<<std::endl<<globalLoc<<
std::endl<<"local loc = "<<std::endl<<localLoc<<std::endl;
*/
setParent(parent, timeStamp, globalLoc, localLoc);
}
void Picture::Remove (Graphic* g) {
unsetParent(g);
_kids->Delete(g);
uncacheExtent();
uncacheParents();
}
// protected:
// Notification that the Parent has been destroyed
void ProxyObject::destroyed() {
unsetParent(TemporalValue<Location>::Time::now());
}
void ProxyObject::unsetParent(TemporalValue<Location>::Time timeStamp) {
unsetParent(timeStamp, globalLocation(timeStamp));
}
