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This represents UE4/Main @ 16738161 and Dev-PerfTest @ 16737719 (and Release-17.00 @ 16658211) [CL 16763350 by aurel cordonnier in ue5-main branch]
63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "LevelEditorDragDropHandler.h"
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#include "Editor/EditorEngine.h"
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#include "Engine/World.h"
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#include "ObjectTools.h"
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#include "AssetRegistry/AssetData.h"
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#include "Engine/BrushBuilder.h"
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#include "GameFramework/Actor.h"
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#include "AssetSelection.h"
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#include "Materials/MaterialInterface.h"
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#include "UnrealEdGlobals.h"
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#include "Editor/UnrealEdEngine.h"
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#include "Editor.h"
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#include "HitProxies.h"
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#define LOCTEXT_NAMESPACE "UnrealEd"
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ULevelEditorDragDropHandler::ULevelEditorDragDropHandler()
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{
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}
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bool ULevelEditorDragDropHandler::PreviewDropObjectsAtCoordinates(int32 MouseX, int32 MouseY, UWorld* World, FViewport* Viewport, const FAssetData& AssetData)
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{
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bCanDrop = false;
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HintText = FText::GetEmpty();
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if ( !ObjectTools::IsAssetValidForPlacing(World, AssetData.ObjectPath.ToString() ) )
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{
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bCanDrop = false;
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return false;
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}
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if (World && bRunAssetFilter)
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{
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ULevel* CurrentLevel = World->GetCurrentLevel();
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UWorld* CurrentLevelOuterWorld = CurrentLevel ? Cast<UWorld>(CurrentLevel->GetOuter()) : nullptr;
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UWorld* ReferencingWorld = CurrentLevelOuterWorld ? CurrentLevelOuterWorld : World;
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FAssetReferenceFilterContext AssetReferenceFilterContext;
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AssetReferenceFilterContext.ReferencingAssets.Add(FAssetData(ReferencingWorld));
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TSharedPtr<IAssetReferenceFilter> AssetReferenceFilter = GEditor->MakeAssetReferenceFilter(AssetReferenceFilterContext);
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if (AssetReferenceFilter.IsValid())
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{
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FText FailureReason;
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if (!AssetReferenceFilter->PassesFilter(AssetData, &FailureReason))
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{
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bCanDrop = false;
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HintText = FailureReason;
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return false;
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}
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}
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}
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return true;
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}
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bool ULevelEditorDragDropHandler::PreDropObjectsAtCoordinates(int32 MouseX, int32 MouseY, UWorld* World, FViewport* Viewport, const TArray<UObject*>& DroppedObjects, TArray<AActor*>& OutNewActors)
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{
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return true;
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}
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#undef LOCTEXT_NAMESPACE |