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This prepares the terrain for the user-defined dynamic bindings, which also need to create similar endpoints in the BP director. #jira UE-170204 #rb max.chen, andrew.rodham #preflight 6418819b3d275ade38954b16 [CL 24717656 by ludovic chabant in ue5-main branch]
91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "MovieSceneEventBlueprintExtension.h"
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#include "Channels/MovieSceneEvent.h"
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#include "Containers/ArrayView.h"
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#include "CoreGlobals.h"
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#include "Delegates/Delegate.h"
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#include "EdGraph/EdGraph.h"
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#include "Engine/Blueprint.h"
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#include "HAL/Platform.h"
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#include "K2Node.h"
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#include "K2Node_FunctionEntry.h"
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#include "KismetCompiler.h"
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#include "Misc/AssertionMacros.h"
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#include "MovieSceneEventUtils.h"
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#include "Sections/MovieSceneEventSectionBase.h"
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#include "UObject/NameTypes.h"
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#include "UObject/UnrealNames.h"
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#include "UObject/WeakObjectPtr.h"
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class UEdGraphNode;
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void UMovieSceneEventBlueprintExtension::PostLoad()
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{
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EventSections.Remove(nullptr);
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Super::PostLoad();
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}
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void UMovieSceneEventBlueprintExtension::HandlePreloadObjectsForCompilation(UBlueprint* OwningBlueprint)
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{
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for (TWeakObjectPtr<UMovieSceneEventSectionBase> WeakEventSection : EventSections)
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{
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if (UMovieSceneEventSectionBase* EventSection = WeakEventSection.Get())
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{
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UBlueprint::ForceLoad(EventSection);
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}
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}
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}
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void UMovieSceneEventBlueprintExtension::HandleGenerateFunctionGraphs(FKismetCompilerContext* CompilerContext)
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{
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for (TWeakObjectPtr<UMovieSceneEventSectionBase> WeakEventSection : EventSections)
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{
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UMovieSceneEventSectionBase* EventSection = WeakEventSection.Get();
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if (!EventSection)
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{
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continue;
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}
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ensureMsgf(!EventSection->HasAnyFlags(RF_NeedLoad), TEXT("Attempting to generate entry point functions before an event section has been loaded"));
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EventSection->AttemptUpgrade();
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for (FMovieSceneEvent& EntryPoint : EventSection->GetAllEntryPoints())
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{
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UEdGraphNode* Endpoint = FMovieSceneEventUtils::FindEndpoint(&EntryPoint, EventSection, CompilerContext->Blueprint);
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if (Endpoint)
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{
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UK2Node_FunctionEntry* FunctionEntry = FMovieSceneEventUtils::GenerateEntryPoint(&EntryPoint, CompilerContext, Endpoint);
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if (FunctionEntry)
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{
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EntryPoint.CompiledFunctionName = FunctionEntry->GetGraph()->GetFName();
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}
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else
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{
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EntryPoint.CompiledFunctionName = NAME_None;
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}
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}
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}
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auto OnFunctionListGenerated = [WeakEventSection = MakeWeakObjectPtr(EventSection)](FKismetCompilerContext* CompilerContext)
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{
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UMovieSceneEventSectionBase* PinnedSection = WeakEventSection.Get();
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if (ensureMsgf(PinnedSection, TEXT("Event section has been collected during blueprint compilation.")))
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{
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PinnedSection->OnPostCompile(CompilerContext->Blueprint);
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}
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};
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CompilerContext->OnFunctionListCompiled().AddLambda(OnFunctionListGenerated);
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}
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// Don't remove while transacting because it can remove when an undo is in progress
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if (!GIsTransacting)
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{
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///// Temporarily disabled for UE-132130
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/////FMovieSceneEventUtils::RemoveUnusedCustomEvents(EventSections, CompilerContext->Blueprint);
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}
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} |