void UUnrealEdEngine::DrawComponentVisualizersHUD(const FViewport* Viewport, const FSceneView* View, FCanvas* Canvas)
{
// Iterate over all selected actors
for (FSelectionIterator It(GetSelectedActorIterator()); It; ++It)
{
AActor* Actor = Cast<AActor>(*It);
if (Actor != NULL)
{
// Then iterate over components of that actor
TInlineComponentArray<UActorComponent*> Components;
Actor->GetComponents(Components);
for (int32 CompIdx = 0; CompIdx<Components.Num(); CompIdx++)
{
UActorComponent* Comp = Components[CompIdx];
if (Comp->IsRegistered())
{
// Try and find a visualizer
TSharedPtr<FComponentVisualizer> Visualizer = FindComponentVisualizer(Comp->GetClass());
if (Visualizer.IsValid())
{
Visualizer->DrawVisualizationHUD(Comp, Viewport, View, Canvas);
}
}
}
}
}
}
void FSCSEditorViewportClient::Draw(const FSceneView* View, FPrimitiveDrawInterface* PDI)
{
FEditorViewportClient::Draw(View, PDI);
bool bHitTesting = PDI->IsHitTesting();
AActor* PreviewActor = GetPreviewActor();
if(PreviewActor)
{
if(GUnrealEd != NULL)
{
TArray<FSCSEditorTreeNodePtrType> SelectedNodes = BlueprintEditorPtr.Pin()->GetSelectedSCSEditorTreeNodes();
for (int32 SelectionIndex = 0; SelectionIndex < SelectedNodes.Num(); ++SelectionIndex)
{
FSCSEditorTreeNodePtrType SelectedNode = SelectedNodes[SelectionIndex];
UActorComponent* Comp = SelectedNode->FindComponentInstanceInActor(PreviewActor);
if(Comp != NULL && Comp->IsRegistered())
{
// Try and find a visualizer
TSharedPtr<FComponentVisualizer> Visualizer = GUnrealEd->FindComponentVisualizer(Comp->GetClass());
if (Visualizer.IsValid())
{
Visualizer->DrawVisualization(Comp, View, PDI);
}
}
}
}
}
}
void UUnrealEdEngine::SetActorSelectionFlags (AActor* InActor)
{
TInlineComponentArray<UActorComponent*> Components;
InActor->GetComponents(Components);
//for every component in the actor
for(int32 ComponentIndex = 0; ComponentIndex < Components.Num(); ComponentIndex++)
{
UActorComponent* Component = Components[ComponentIndex];
if (Component->IsRegistered())
{
// If we have a 'child actor' component, want to update its visible selection state
UChildActorComponent* ChildActorComponent = Cast<UChildActorComponent>(Component);
if(ChildActorComponent != NULL && ChildActorComponent->ChildActor != NULL)
{
SetActorSelectionFlags(ChildActorComponent->ChildActor);
}
UPrimitiveComponent* PrimComponent = Cast<UPrimitiveComponent>(Component);
if(PrimComponent != NULL && PrimComponent->IsRegistered())
{
PrimComponent->PushSelectionToProxy();
}
UDecalComponent* DecalComponent = Cast<UDecalComponent>(Component);
if(DecalComponent != NULL)// && DecalComponent->IsRegistered())
{
DecalComponent->PushSelectionToProxy();
}
}
}
}
void AActor::CheckForErrors()
{
if ( GetClass()->HasAnyClassFlags(CLASS_Deprecated) )
{
FFormatNamedArguments Arguments;
Arguments.Add(TEXT("ActorName"), FText::FromString(GetName()));
FMessageLog("MapCheck").Warning()
->AddToken(FUObjectToken::Create(this))
->AddToken(FTextToken::Create(FText::Format(LOCTEXT( "MapCheck_Message_ActorIsObselete_Deprecated", "{ActorName} : Obsolete and must be removed! (Class is deprecated)" ), Arguments) ))
->AddToken(FMapErrorToken::Create(FMapErrors::ActorIsObselete));
return;
}
if ( GetClass()->HasAnyClassFlags(CLASS_Abstract) )
{
FFormatNamedArguments Arguments;
Arguments.Add(TEXT("ActorName"), FText::FromString(GetName()));
FMessageLog("MapCheck").Warning()
->AddToken(FUObjectToken::Create(this))
->AddToken(FTextToken::Create(FText::Format(LOCTEXT( "MapCheck_Message_ActorIsObselete_Abstract", "{ActorName} : Obsolete and must be removed! (Class is abstract)" ), Arguments) ))
->AddToken(FMapErrorToken::Create(FMapErrors::ActorIsObselete));
return;
}
UPrimitiveComponent* PrimComp = Cast<UPrimitiveComponent>(RootComponent);
if( PrimComp && (PrimComp->Mobility != EComponentMobility::Movable) && PrimComp->BodyInstance.bSimulatePhysics)
{
FFormatNamedArguments Arguments;
Arguments.Add(TEXT("ActorName"), FText::FromString(GetName()));
FMessageLog("MapCheck").Warning()
->AddToken(FUObjectToken::Create(this))
->AddToken(FTextToken::Create(FText::Format(LOCTEXT( "MapCheck_Message_StaticPhysNone", "{ActorName} : Static object with bSimulatePhysics set to true" ), Arguments) ))
->AddToken(FMapErrorToken::Create(FMapErrors::StaticPhysNone));
}
if( RootComponent && FMath::IsNearlyZero( GetRootComponent()->RelativeScale3D.X * GetRootComponent()->RelativeScale3D.Y * GetRootComponent()->RelativeScale3D.Z ) )
{
FFormatNamedArguments Arguments;
Arguments.Add(TEXT("ActorName"), FText::FromString(GetName()));
FMessageLog("MapCheck").Error()
->AddToken(FUObjectToken::Create(this))
->AddToken(FTextToken::Create(FText::Format(LOCTEXT( "MapCheck_Message_InvalidDrawscale", "{ActorName} : Invalid DrawScale/DrawScale3D" ), Arguments) ))
->AddToken(FMapErrorToken::Create(FMapErrors::InvalidDrawscale));
}
// Route error checking to components.
TInlineComponentArray<UActorComponent*> Components;
GetComponents(Components);
for ( int32 ComponentIndex = 0 ; ComponentIndex < Components.Num() ; ++ComponentIndex )
{
UActorComponent* ActorComponent = Components[ ComponentIndex ];
if (ActorComponent->IsRegistered())
{
ActorComponent->CheckForErrors();
}
}
}
PyObject *py_ue_unregister_component(ue_PyUObject * self, PyObject * args)
{
ue_py_check(self);
UActorComponent *component = ue_py_check_type<UActorComponent>(self);
if (!component)
return PyErr_Format(PyExc_Exception, "uobject is not an UActorComponent");
if (component->IsRegistered())
component->UnregisterComponent();
Py_RETURN_NONE;
}
void DoTask(ENamedThreads::Type CurrentThread, const FGraphEventRef& MyCompletionGraphEvent)
{
for (FTaskArray::TIterator It(*Components); It; ++It)
{
UActorComponent* Component = *It;
if (!Component->IsPendingKill() && Component->IsRegistered() && !Component->IsTemplate())
{
FScopeCycleCounterUObject ComponentScope(Component);
FScopeCycleCounterUObject AdditionalScope(STATS ? Component->AdditionalStatObject() : NULL);
Component->DoDeferredRenderUpdates_Concurrent();
}
}
}
void FSCSEditorViewportClient::DrawCanvas( FViewport& InViewport, FSceneView& View, FCanvas& Canvas )
{
AActor* PreviewActor = GetPreviewActor();
if(PreviewActor)
{
if (GUnrealEd != NULL)
{
TArray<FSCSEditorTreeNodePtrType> SelectedNodes = BlueprintEditorPtr.Pin()->GetSelectedSCSEditorTreeNodes();
for (int32 SelectionIndex = 0; SelectionIndex < SelectedNodes.Num(); ++SelectionIndex)
{
FSCSEditorTreeNodePtrType SelectedNode = SelectedNodes[SelectionIndex];
UActorComponent* Comp = Cast<USceneComponent>(SelectedNode->FindComponentInstanceInActor(PreviewActor));
if (Comp != NULL && Comp->IsRegistered())
{
// Try and find a visualizer
TSharedPtr<FComponentVisualizer> Visualizer = GUnrealEd->FindComponentVisualizer(Comp->GetClass());
if (Visualizer.IsValid())
{
Visualizer->DrawVisualizationHUD(Comp, &InViewport, &View, &Canvas);
}
}
}
}
TGuardValue<bool> AutoRestore(GAllowActorScriptExecutionInEditor, true);
const int32 HalfX = 0.5f * Viewport->GetSizeXY().X;
const int32 HalfY = 0.5f * Viewport->GetSizeXY().Y;
auto SelectedNodes = BlueprintEditorPtr.Pin()->GetSelectedSCSEditorTreeNodes();
if(bIsManipulating && SelectedNodes.Num() > 0)
{
USceneComponent* SceneComp = Cast<USceneComponent>(SelectedNodes[0]->FindComponentInstanceInActor(PreviewActor));
if(SceneComp)
{
const FVector WidgetLocation = GetWidgetLocation();
const FPlane Proj = View.Project(WidgetLocation);
if(Proj.W > 0.0f)
{
const int32 XPos = HalfX + (HalfX * Proj.X);
const int32 YPos = HalfY + (HalfY * (Proj.Y * -1));
DrawAngles(&Canvas, XPos, YPos, GetCurrentWidgetAxis(), GetWidgetMode(), GetWidgetCoordSystem().Rotator(), WidgetLocation);
}
}
}
}
}
PyObject *py_ue_component_is_registered(ue_PyUObject *self, PyObject * args) {
ue_py_check(self);
if (!self->ue_object->IsA<UActorComponent>()) {
return PyErr_Format(PyExc_Exception, "uobject is not a component");
}
UActorComponent *component = (UActorComponent *)self->ue_object;
if (component->IsRegistered()) {
Py_INCREF(Py_True);
return Py_True;
}
Py_INCREF(Py_False);
return Py_False;
}
PyObject *py_ue_register_component(ue_PyUObject *self, PyObject * args)
{
ue_py_check(self);
if (!self->ue_object->IsA<UActorComponent>())
{
return PyErr_Format(PyExc_Exception, "uobject is not a component");
}
UActorComponent *component = (UActorComponent *)self->ue_object;
if (!component->IsRegistered())
component->RegisterComponent();
Py_INCREF(Py_None);
return Py_None;
}
PyObject *py_ue_add_actor_component(ue_PyUObject * self, PyObject * args)
{
ue_py_check(self);
PyObject *obj;
char *name;
PyObject *py_parent = nullptr;
if (!PyArg_ParseTuple(args, "Os|O:add_actor_component", &obj, &name, &py_parent))
{
return NULL;
}
if (!self->ue_object->IsA<AActor>())
{
return PyErr_Format(PyExc_Exception, "uobject is not an AActor");
}
AActor *actor = (AActor *)self->ue_object;
if (!ue_is_pyuobject(obj))
{
return PyErr_Format(PyExc_Exception, "argument is not a UObject");
}
ue_PyUObject *py_obj = (ue_PyUObject *)obj;
if (!py_obj->ue_object->IsA<UClass>())
{
return PyErr_Format(PyExc_Exception, "argument is not a UClass");
}
UClass *u_class = (UClass *)py_obj->ue_object;
if (!u_class->IsChildOf<UActorComponent>())
{
return PyErr_Format(PyExc_Exception, "argument is not a UClass derived from UActorComponent");
}
USceneComponent *parent_component = nullptr;
if (py_parent)
{
parent_component = ue_py_check_type<USceneComponent>(py_parent);
if (!parent_component)
{
return PyErr_Format(PyExc_Exception, "argument is not a USceneComponent");
}
}
UActorComponent *component = NewObject<UActorComponent>(actor, u_class, FName(UTF8_TO_TCHAR(name)), RF_Public);
if (!component)
return PyErr_Format(PyExc_Exception, "unable to create component");
if (py_parent && component->IsA<USceneComponent>())
{
USceneComponent *scene_component = (USceneComponent *)component;
scene_component->SetupAttachment(parent_component);
}
if (actor->GetWorld() && !component->IsRegistered())
{
component->RegisterComponent();
}
if (component->bWantsInitializeComponent && !component->HasBeenInitialized() && component->IsRegistered())
component->InitializeComponent();
Py_RETURN_UOBJECT(component);
}
void UActorComponent::RegisterComponentWithWorld(UWorld* InWorld)
{
checkf(!HasAnyFlags(RF_Unreachable), TEXT("%s"), *GetFullName());
if(IsPendingKill())
{
UE_LOG(LogActorComponent, Log, TEXT("RegisterComponentWithWorld: (%s) Trying to register component with IsPendingKill() == true. Aborting."), *GetPathName());
return;
}
// If the component was already registered, do nothing
if(IsRegistered())
{
UE_LOG(LogActorComponent, Log, TEXT("RegisterComponentWithWorld: (%s) Already registered. Aborting."), *GetPathName());
return;
}
if(InWorld == NULL)
{
//UE_LOG(LogActorComponent, Log, TEXT("RegisterComponentWithWorld: (%s) NULL InWorld specified. Aborting."), *GetPathName());
return;
}
// If not registered, should not have a scene
checkf(World == NULL, TEXT("%s"), *GetFullName());
AActor* MyOwner = GetOwner();
checkSlow(MyOwner == nullptr || MyOwner->OwnsComponent(this));
if (MyOwner && MyOwner->GetClass()->HasAnyClassFlags(CLASS_NewerVersionExists))
{
UE_LOG(LogActorComponent, Log, TEXT("RegisterComponentWithWorld: Owner belongs to a DEADCLASS"));
return;
}
#if !(UE_BUILD_SHIPPING || UE_BUILD_TEST)
// Can only register with an Actor if we are created within one
if(MyOwner)
{
checkf(!MyOwner->HasAnyFlags(RF_Unreachable), TEXT("%s"), *GetFullName());
// can happen with undo because the owner will be restored "next"
//checkf(!MyOwner->IsPendingKill(), TEXT("%s"), *GetFullName());
if(InWorld != MyOwner->GetWorld())
{
// The only time you should specify a scene that is not Owner->GetWorld() is when you don't have an Actor
UE_LOG(LogActorComponent, Log, TEXT("RegisterComponentWithWorld: (%s) Specifying a world, but an Owner Actor found, and InWorld is not GetOwner()->GetWorld()"), *GetPathName());
}
}
#endif // !(UE_BUILD_SHIPPING || UE_BUILD_TEST)
World = InWorld;
ExecuteRegisterEvents();
RegisterAllComponentTickFunctions(true);
if (MyOwner == nullptr || MyOwner->IsActorInitialized())
{
if (!bHasBeenInitialized && bWantsInitializeComponent)
{
InitializeComponent();
}
}
if (MyOwner && MyOwner->HasActorBegunPlay())
{
if (bWantsBeginPlay)
{
BeginPlay();
}
}
// If this is a blueprint created component and it has component children they can miss getting registered in some scenarios
if (IsCreatedByConstructionScript())
{
TArray<UObject*> Children;
GetObjectsWithOuter(this, Children, true, RF_PendingKill);
for (UObject* Child : Children)
{
UActorComponent* ChildComponent = Cast<UActorComponent>(Child);
if (ChildComponent && !ChildComponent->IsRegistered())
{
ChildComponent->RegisterComponentWithWorld(InWorld);
}
}
}
}
/**
* Send all render updates to the rendering thread.
*/
void UWorld::SendAllEndOfFrameUpdates(FGraphEventArray* OutCompletion)
{
SCOPE_CYCLE_COUNTER(STAT_PostTickComponentUpdate);
// update all dirty components.
bPostTickComponentUpdate = true;
if (!OutCompletion)
{
// this is a viewer or something, just do everything on the gamethread
for (TSet<TWeakObjectPtr<UActorComponent> >::TIterator It(ComponentsThatNeedEndOfFrameUpdate); It; ++It)
{
ComponentsThatNeedEndOfFrameUpdate_OnGameThread.Add(*It);
}
ComponentsThatNeedEndOfFrameUpdate.Empty(ComponentsThatNeedEndOfFrameUpdate.Num());
}
else
{
// remove any gamethread updates from the async update list
for (TSet<TWeakObjectPtr<UActorComponent> >::TIterator It(ComponentsThatNeedEndOfFrameUpdate_OnGameThread); It; ++It)
{
ComponentsThatNeedEndOfFrameUpdate.Remove(*It);
}
}
// Game thread updates need to happen before we go wide on the other threads.
// These updates are things that have said that they are NOT SAFE to run concurrently.
for (TSet<TWeakObjectPtr<UActorComponent> >::TIterator It(ComponentsThatNeedEndOfFrameUpdate_OnGameThread); It; ++It)
{
UActorComponent* Component = It->Get();
if (Component && !Component->IsPendingKill() && Component->IsRegistered() && !Component->IsTemplate())
{
FScopeCycleCounterUObject ComponentScope(Component);
FScopeCycleCounterUObject AdditionalScope(STATS ? Component->AdditionalStatObject() : NULL);
Component->DoDeferredRenderUpdates_Concurrent();
}
}
if (ComponentsThatNeedEndOfFrameUpdate.Num())
{
check(OutCompletion);
enum
{
NUM_COMPONENTS_PER_TASK = 20
};
typedef TArray<UActorComponent*, TInlineAllocator<NUM_COMPONENTS_PER_TASK> > FTaskArray;
/** Helper class define the task of calling DoDeferredRenderUpdates_Concurrent on an array of components **/
class FDoRenderthreadUpdatesTask
{
/** Array of components to process, owned by the task **/
TScopedPointer<FTaskArray> Components;
public:
FDoRenderthreadUpdatesTask(FTaskArray* InComponents)
: Components(InComponents)
{
}
FORCEINLINE TStatId GetStatId() const
{
RETURN_QUICK_DECLARE_CYCLE_STAT(DoRenderthreadUpdatesTask, STATGROUP_TaskGraphTasks);
}
static ENamedThreads::Type GetDesiredThread()
{
return ENamedThreads::AnyThread;
}
static ESubsequentsMode::Type GetSubsequentsMode()
{
return ESubsequentsMode::TrackSubsequents;
}
void DoTask(ENamedThreads::Type CurrentThread, const FGraphEventRef& MyCompletionGraphEvent)
{
for (FTaskArray::TIterator It(*Components); It; ++It)
{
UActorComponent* Component = *It;
if (!Component->IsPendingKill() && Component->IsRegistered() && !Component->IsTemplate())
{
FScopeCycleCounterUObject ComponentScope(Component);
FScopeCycleCounterUObject AdditionalScope(STATS ? Component->AdditionalStatObject() : NULL);
Component->DoDeferredRenderUpdates_Concurrent();
}
}
}
};
{
//@todo optimization, this loop could be done on another thread
// First get the async transform and render data updates underway
FTaskArray* Array = NULL;
for (TSet<TWeakObjectPtr<UActorComponent> >::TIterator It(ComponentsThatNeedEndOfFrameUpdate); It; ++It)
{
UActorComponent* NextComponent = It->Get();
if (NextComponent && !NextComponent->IsPendingKill() && NextComponent->IsRegistered() && !NextComponent->IsTemplate())
{
if (!Array)
{
Array = new FTaskArray;
}
Array->Add(NextComponent);
if (Array->Num() == NUM_COMPONENTS_PER_TASK)
{
new (*OutCompletion) FGraphEventRef(TGraphTask<FDoRenderthreadUpdatesTask>::CreateTask(NULL, ENamedThreads::GameThread).ConstructAndDispatchWhenReady(Array));
Array = NULL; // Array belongs to the task
}
}
}
if (Array) // partial array if we had one
{
new (*OutCompletion) FGraphEventRef(TGraphTask<FDoRenderthreadUpdatesTask>::CreateTask(NULL, ENamedThreads::GameThread).ConstructAndDispatchWhenReady(Array));
Array = NULL; // Array belongs to the task
}
}
}
bPostTickComponentUpdate = false;
ComponentsThatNeedEndOfFrameUpdate.Empty(ComponentsThatNeedEndOfFrameUpdate.Num());
ComponentsThatNeedEndOfFrameUpdate_OnGameThread.Empty(ComponentsThatNeedEndOfFrameUpdate_OnGameThread.Num());
}
