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Static mesh instances are only hooked up editor side via hit proxies, and won't register in a sweep since it only deals with limited types. #preflight 60ccd086be81e80001e90434 #Jira UETOOL-3724 #rb jamie.dale #fyi basil.pesin [CL 16763208 by brooke hubert in ue5-main branch]
102 lines
3.3 KiB
C++
102 lines
3.3 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "Tools/PlacementLassoSelectTool.h"
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#include "AssetPlacementEdMode.h"
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#include "AssetPlacementSettings.h"
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#include "Editor.h"
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#include "Elements/Framework/EngineElementsLibrary.h"
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#include "Elements/Framework/TypedElementHandle.h"
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#include "Elements/Framework/TypedElementRegistry.h"
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#include "Elements/Interfaces/TypedElementObjectInterface.h"
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#include "InteractiveToolManager.h"
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#include "InstancedFoliageActor.h"
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#include "ToolContextInterfaces.h"
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#include "UObject/Object.h"
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#include "BaseBehaviors/KeyAsModifierInputBehavior.h"
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#include "Elements/Framework/TypedElementSelectionSet.h"
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#include "Modes/PlacementModeSubsystem.h"
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#include "Tools/AssetEditorContextInterface.h"
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#include "EditorModeManager.h"
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#include "ContextObjectStore.h"
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constexpr TCHAR UPlacementModeLassoSelectTool::ToolName[];
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namespace PlacementModeLassoToolInternal
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{
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FTypedElementSelectionOptions SelectionOptions {};
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}
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UPlacementBrushToolBase* UPlacementModeLassoSelectToolBuilder::FactoryToolInstance(UObject* Outer) const
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{
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return NewObject<UPlacementModeLassoSelectTool>(Outer);
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}
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void UPlacementModeLassoSelectTool::OnBeginDrag(const FRay& Ray)
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{
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Super::OnBeginDrag(Ray);
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ElementsFromDrag.Empty();
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GetToolManager()->BeginUndoTransaction(NSLOCTEXT("AssetPlacementEdMode", "BrushSelect", "Select Elements"));
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}
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void UPlacementModeLassoSelectTool::OnEndDrag(const FRay& Ray)
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{
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if (IAssetEditorContextInterface* AssetEditorContext = GetToolManager()->GetContextObjectStore()->FindContext<IAssetEditorContextInterface>())
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{
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if (UTypedElementSelectionSet* SelectionSet = AssetEditorContext->GetMutableSelectionSet())
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{
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bool bSelectElements = !bCtrlToggle;
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for (const FTypedElementHandle& HitElement : ElementsFromDrag)
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{
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if (!FoliageElementUtil::FoliageInstanceElementsEnabled())
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{
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if (TTypedElement<UTypedElementObjectInterface> ObjectInterface = UTypedElementRegistry::GetInstance()->GetElement<UTypedElementObjectInterface>(HitElement))
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{
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if (AInstancedFoliageActor* FoliageActor = ObjectInterface.GetObjectAs<AInstancedFoliageActor>())
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{
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FoliageActor->ForEachFoliageInfo([this, bSelectElements](UFoliageType* InFoliageType, FFoliageInfo& InFoliageInfo)
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{
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FTypedElementHandle SourceObjectHandle = UEngineElementsLibrary::AcquireEditorObjectElementHandle(InFoliageType->GetSource());
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if (GEditor->GetEditorSubsystem<UPlacementModeSubsystem>()->DoesCurrentPaletteSupportElement(SourceObjectHandle))
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{
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TArray<int32> Instances;
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FSphere SphereToCheck(LastBrushStamp.WorldPosition, LastBrushStamp.Radius);
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InFoliageInfo.GetInstancesInsideSphere(SphereToCheck, Instances);
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InFoliageInfo.SelectInstances(bSelectElements, Instances);
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}
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return true;
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});
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continue;
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}
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}
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}
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if (bSelectElements)
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{
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SelectionSet->SelectElement(HitElement, PlacementModeLassoToolInternal::SelectionOptions);
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}
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else
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{
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SelectionSet->DeselectElement(HitElement, PlacementModeLassoToolInternal::SelectionOptions);
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}
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}
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}
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}
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GetToolManager()->EndUndoTransaction();
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Super::OnEndDrag(Ray);
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}
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void UPlacementModeLassoSelectTool::OnTick(float DeltaTime)
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{
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if (!bInBrushStroke)
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{
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return;
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}
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ElementsFromDrag.Append(GetElementsInBrushRadius(LastDeviceInputRay));
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}
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