void USplineComponent::Serialize(FArchive& Ar)
{
Super::Serialize(Ar);
// Support old resources which don't have the rotation and scale splines present
const int32 ArchiveUE4Version = Ar.UE4Ver();
if (ArchiveUE4Version < VER_UE4_INTERPCURVE_SUPPORTS_LOOPING)
{
int32 NumPoints = SplineInfo.Points.Num();
// The start point is no longer cloned as the endpoint when the spline is looped, so remove the extra endpoint if present
const bool bHasExtraEndpoint = bClosedLoop && (SplineInfo.Points[0].OutVal == SplineInfo.Points[NumPoints - 1].OutVal);
if (bHasExtraEndpoint)
{
SplineInfo.Points.RemoveAt(NumPoints - 1, 1, false);
NumPoints--;
}
// Fill the other two splines with some defaults
SplineRotInfo.Points.Reset(NumPoints);
SplineScaleInfo.Points.Reset(NumPoints);
for (int32 Count = 0; Count < NumPoints; Count++)
{
SplineRotInfo.Points.Emplace(0.0f, FQuat::Identity, FQuat::Identity, FQuat::Identity, CIM_CurveAuto);
SplineScaleInfo.Points.Emplace(0.0f, FVector(1.0f), FVector::ZeroVector, FVector::ZeroVector, CIM_CurveAuto);
}
USplineComponent* Archetype = CastChecked<USplineComponent>(GetArchetype());
bSplineHasBeenEdited = (SplineInfo.Points != Archetype->SplineInfo.Points);
UpdateSpline();
}
}
AAFCueActor::AAFCueActor(const FObjectInitializer& ObjectInitializer)
: Super(ObjectInitializer)
{
PrimaryActorTick.bCanEverTick = true;
PrimaryActorTick.bStartWithTickEnabled = true;
StartTime = 0;
EndTime = 5;
if (HasAnyFlags(RF_ClassDefaultObject) || GetArchetype() == GetDefault<AAFCueActor>())
{
Sequence = ObjectInitializer.CreateDefaultSubobject<UGAEffectCueSequence>(this, "Sequence");
Sequence->SetFlags(RF_Public | RF_Transactional);
SequencePlayer = ObjectInitializer.CreateDefaultSubobject<UActorSequencePlayer>(this, "SequencePlayer");
}
}
void UChildActorComponent::PostEditChangeChainProperty(FPropertyChangedChainEvent& PropertyChangedEvent)
{
if (PropertyChangedEvent.Property && PropertyChangedEvent.Property->GetFName() == GET_MEMBER_NAME_CHECKED(UChildActorComponent, ChildActorClass))
{
if (IsTemplate())
{
if (ChildActorClass)
{
if (ChildActorTemplate == nullptr || (ChildActorTemplate->GetClass() != ChildActorClass))
{
Modify();
AActor* NewChildActorTemplate = NewObject<AActor>(GetTransientPackage(), ChildActorClass, NAME_None, RF_ArchetypeObject | RF_Transactional | RF_Public);
if (ChildActorTemplate)
{
UEngine::CopyPropertiesForUnrelatedObjects(ChildActorTemplate, NewChildActorTemplate);
ChildActorTemplate->Rename(nullptr, GetTransientPackage(), REN_DontCreateRedirectors);
}
ChildActorTemplate = NewChildActorTemplate;
// Record initial object state in case we're in a transaction context.
ChildActorTemplate->Modify();
// Now set the actual name and outer to the BPGC.
const FString TemplateName = FString::Printf(TEXT("%s_%s_CAT"), *GetName(), *ChildActorClass->GetName());
ChildActorTemplate->Rename(*TemplateName, this, REN_DoNotDirty | REN_DontCreateRedirectors | REN_ForceNoResetLoaders);
}
}
else if (ChildActorTemplate)
{
Modify();
ChildActorTemplate->Rename(nullptr, GetTransientPackage(), REN_DontCreateRedirectors);
ChildActorTemplate = nullptr;
}
}
else
{
ChildActorTemplate = CastChecked<UChildActorComponent>(GetArchetype())->ChildActorTemplate;
}
}
Super::PostEditChangeChainProperty(PropertyChangedEvent);
}
void UActorComponent::DetermineUCSModifiedProperties()
{
UCSModifiedProperties.Empty();
if (CreationMethod == EComponentCreationMethod::SimpleConstructionScript)
{
class FComponentPropertySkipper : public FArchive
{
public:
FComponentPropertySkipper()
: FArchive()
{
ArIsSaving = true;
}
virtual bool ShouldSkipProperty(const UProperty* InProperty) const override
{
return ( InProperty->HasAnyPropertyFlags(CPF_Transient | CPF_ContainsInstancedReference | CPF_InstancedReference)
|| !InProperty->HasAnyPropertyFlags(CPF_Edit | CPF_Interp));
}
} PropertySkipper;
UClass* ComponentClass = GetClass();
UObject* ComponentArchetype = GetArchetype();
for (TFieldIterator<UProperty> It(ComponentClass); It; ++It)
{
UProperty* Property = *It;
if( Property->ShouldSerializeValue(PropertySkipper) )
{
for( int32 Idx=0; Idx<Property->ArrayDim; Idx++ )
{
uint8* DataPtr = Property->ContainerPtrToValuePtr <uint8>((uint8*)this, Idx);
uint8* DefaultValue = Property->ContainerPtrToValuePtrForDefaults<uint8>(ComponentClass, (uint8*)ComponentArchetype, Idx);
if (!Property->Identical( DataPtr, DefaultValue))
{
UCSModifiedProperties.Add(FSimpleMemberReference());
FMemberReference::FillSimpleMemberReference<UProperty>(Property, UCSModifiedProperties.Last());
break;
}
}
}
}
}
}
void UChildActorComponent::PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent)
{
if (PropertyChangedEvent.Property && PropertyChangedEvent.Property->GetFName() == GET_MEMBER_NAME_CHECKED(UChildActorComponent, ChildActorClass))
{
ChildActorName = NAME_None;
if (!IsTemplate())
{
UChildActorComponent* Archetype = CastChecked<UChildActorComponent>(GetArchetype());
ChildActorTemplate = (Archetype->ChildActorClass == ChildActorClass ? Archetype->ChildActorTemplate : nullptr);
}
// If this was created by construction script, the post edit change super call will destroy it anyways
if (!IsCreatedByConstructionScript())
{
DestroyChildActor();
CreateChildActor();
}
}
Super::PostEditChangeProperty(PropertyChangedEvent);
}
void FHotReloadClassReinstancer::RecreateCDOAndSetupOldClassReinstancing(UClass* InOldClass)
{
// Set base class members to valid values
ClassToReinstance = InOldClass;
DuplicatedClass = InOldClass;
OriginalCDO = InOldClass->GetDefaultObject();
bHasReinstanced = false;
bSkipGarbageCollection = false;
bNeedsReinstancing = false;
NewClass = InOldClass; // The class doesn't change in this case
// Collect the original property values
SerializeCDOProperties(InOldClass->GetDefaultObject(), OriginalCDOProperties);
// Remember all the basic info about the object before we rename it
EObjectFlags CDOFlags = OriginalCDO->GetFlags();
UObject* CDOOuter = OriginalCDO->GetOuter();
FName CDOName = OriginalCDO->GetFName();
// Rename original CDO, so we can store this one as OverridenArchetypeForCDO
// and create new one with the same name and outer.
OriginalCDO->Rename(
*MakeUniqueObjectName(
GetTransientPackage(),
OriginalCDO->GetClass(),
*FString::Printf(TEXT("BPGC_ARCH_FOR_CDO_%s"), *InOldClass->GetName())
).ToString(),
GetTransientPackage(),
REN_DoNotDirty | REN_DontCreateRedirectors | REN_NonTransactional | REN_SkipGeneratedClasses | REN_ForceNoResetLoaders);
// Re-create the CDO, re-running its constructor
ReconstructClassDefaultObject(InOldClass, CDOOuter, CDOName, CDOFlags);
ReconstructedCDOsMap.Add(OriginalCDO, InOldClass->GetDefaultObject());
// Collect the property values after re-constructing the CDO
SerializeCDOProperties(InOldClass->GetDefaultObject(), ReconstructedCDOProperties);
// We only want to re-instance the old class if its CDO's values have changed or any of its DSOs' property values have changed
if (DefaultPropertiesHaveChanged())
{
bNeedsReinstancing = true;
SaveClassFieldMapping(InOldClass);
TArray<UClass*> ChildrenOfClass;
GetDerivedClasses(InOldClass, ChildrenOfClass);
for (auto ClassIt = ChildrenOfClass.CreateConstIterator(); ClassIt; ++ClassIt)
{
UClass* ChildClass = *ClassIt;
UBlueprint* ChildBP = Cast<UBlueprint>(ChildClass->ClassGeneratedBy);
if (ChildBP && !ChildBP->HasAnyFlags(RF_BeingRegenerated))
{
if (!ChildBP->HasAnyFlags(RF_NeedLoad))
{
Children.AddUnique(ChildBP);
auto BPGC = Cast<UBlueprintGeneratedClass>(ChildBP->GeneratedClass);
auto CurrentCDO = BPGC ? BPGC->GetDefaultObject(false) : nullptr;
if (CurrentCDO && (OriginalCDO == CurrentCDO->GetArchetype()))
{
BPGC->OverridenArchetypeForCDO = OriginalCDO;
}
}
}
}
}
}