void UK2Node::ReconstructNode()
{
Modify();
UBlueprint* Blueprint = GetBlueprint();
// Break any links to 'orphan' pins
for (int32 PinIndex = 0; PinIndex < Pins.Num(); ++PinIndex)
{
UEdGraphPin* Pin = Pins[PinIndex];
TArray<class UEdGraphPin*> LinkedToCopy = Pin->LinkedTo;
for (int32 LinkIdx = 0; LinkIdx < LinkedToCopy.Num(); LinkIdx++)
{
UEdGraphPin* OtherPin = LinkedToCopy[LinkIdx];
// If we are linked to a pin that its owner doesn't know about, break that link
if ((OtherPin == NULL) || !OtherPin->GetOwningNodeUnchecked() || !OtherPin->GetOwningNode()->Pins.Contains(OtherPin))
{
Pin->LinkedTo.Remove(OtherPin);
}
}
}
// Move the existing pins to a saved array
TArray<UEdGraphPin*> OldPins(Pins);
Pins.Empty();
// Recreate the new pins
ReallocatePinsDuringReconstruction(OldPins);
bool bDestroyOldPins = true;
if (Pins.Num() == 0)
{
//keep old pins on callfunction so that graph doesn't get broken up just because function is missing
if (IsA(UK2Node_CallFunction::StaticClass()) || IsA(UK2Node_MacroInstance::StaticClass()))
{
Pins = OldPins;
bDestroyOldPins = false;
}
}
else
{
RewireOldPinsToNewPins(OldPins, Pins);
}
if (bDestroyOldPins)
{
DestroyPinList(OldPins);
}
// Let subclasses do any additional work
PostReconstructNode();
GetGraph()->NotifyGraphChanged();
}
void UK2Node::ReconstructNode()
{
Modify();
UBlueprint* Blueprint = GetBlueprint();
// Break any links to 'orphan' pins
for (int32 PinIndex = 0; PinIndex < Pins.Num(); ++PinIndex)
{
UEdGraphPin* Pin = Pins[PinIndex];
TArray<class UEdGraphPin*> LinkedToCopy = Pin->LinkedTo;
for (int32 LinkIdx = 0; LinkIdx < LinkedToCopy.Num(); LinkIdx++)
{
UEdGraphPin* OtherPin = LinkedToCopy[LinkIdx];
// If we are linked to a pin that its owner doesn't know about, break that link
if ((OtherPin == NULL) || !OtherPin->GetOwningNodeUnchecked() || !OtherPin->GetOwningNode()->Pins.Contains(OtherPin))
{
Pin->LinkedTo.Remove(OtherPin);
}
}
}
// Move the existing pins to a saved array
TArray<UEdGraphPin*> OldPins(Pins);
Pins.Empty();
// Recreate the new pins
ReallocatePinsDuringReconstruction(OldPins);
bool bDestroyOldPins = true;
if (Pins.Num() == 0)
{
//keep old pins on callfunction so that graph doesn't get broken up just because function is missing
if (IsA(UK2Node_CallFunction::StaticClass()) || IsA(UK2Node_MacroInstance::StaticClass()))
{
Pins = OldPins;
bDestroyOldPins = false;
}
}
else
{
// Rewire any connection to pins that are matched by name (O(N^2) right now)
//@TODO: Can do moderately smart things here if only one pin changes name by looking at it's relative position, etc...,
// rather than just failing to map it and breaking the links
for (int32 OldPinIndex = 0; OldPinIndex < OldPins.Num(); ++OldPinIndex)
{
UEdGraphPin* OldPin = OldPins[OldPinIndex];
for (int32 NewPinIndex = 0; NewPinIndex < Pins.Num(); ++NewPinIndex)
{
UEdGraphPin* NewPin = Pins[NewPinIndex];
const ERedirectType RedirectType = DoPinsMatchForReconstruction(NewPin, NewPinIndex, OldPin, OldPinIndex);
if (RedirectType != ERedirectType_None)
{
ReconstructSinglePin(NewPin, OldPin, RedirectType);
break;
}
}
}
}
if (bDestroyOldPins)
{
// Throw away the original pins
for (int32 OldPinIndex = 0; OldPinIndex < OldPins.Num(); ++OldPinIndex)
{
UEdGraphPin* OldPin = OldPins[OldPinIndex];
OldPin->Modify();
OldPin->BreakAllPinLinks();
// just in case this pin was set to watch (don't want to save PinWatches with dead pins)
Blueprint->PinWatches.Remove(OldPin);
#if 0
UEdGraphNode::ReturnPinToPool(OldPin);
#else
OldPin->Rename(NULL, GetTransientPackage(), (Blueprint->bIsRegeneratingOnLoad ? REN_ForceNoResetLoaders : REN_None));
OldPin->RemoveFromRoot();
OldPin->MarkPendingKill();
#endif
}
}
// Let subclasses do any additional work
PostReconstructNode();
GetGraph()->NotifyGraphChanged();
}