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562dc45ab9
* Moved dllexport from type to methods/staticvar in all Engine runtime code. This improves compile times, memory and performance in dll builds [CL 26082288 by henrik karlsson in 5.3 branch]
120 lines
2.9 KiB
C++
120 lines
2.9 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Containers/Array.h"
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#include "Containers/Set.h"
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#include "CoreMinimal.h"
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#include "Delegates/Delegate.h"
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#include "HAL/Platform.h"
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#include "UObject/Object.h"
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#include "UObject/ObjectMacros.h"
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#include "UObject/UObjectGlobals.h"
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#include "SelectionSet.generated.h"
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class USelectionSet;
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/** This delegate is used by UInteractiveToolPropertySet */
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DECLARE_MULTICAST_DELEGATE_OneParam(FSelectionSetModifiedSignature, USelectionSet*);
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/**
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* USelectionSet is a base class for Selection objects.
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* For example the UMeshSelectionSet implementation stores information on selected
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* triangles, vertices, etc.
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*/
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UCLASS(Transient, MinimalAPI)
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class USelectionSet : public UObject
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{
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GENERATED_BODY()
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protected:
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FSelectionSetModifiedSignature OnModified;
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public:
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/** @return the multicast delegate that is called when properties are modified */
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FSelectionSetModifiedSignature& GetOnModified()
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{
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return OnModified;
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}
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/** posts a message to the OnModified delegate with the modified FProperty */
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void NotifySelectionSetModified()
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{
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OnModified.Broadcast(this);
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}
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};
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enum class EMeshSelectionElementType
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{
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Vertex = 0,
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Face = 1,
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Edge = 2,
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Group = 3
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};
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/**
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* UMeshSelectionSet is an implementation of USelectionSet that represents selections on indexed meshes.
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* Vertices, Edges, Faces, and Groups can be selected.
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*/
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UCLASS(Transient, MinimalAPI)
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class UMeshSelectionSet : public USelectionSet
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{
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GENERATED_BODY()
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public:
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INTERACTIVETOOLSFRAMEWORK_API UMeshSelectionSet();
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UPROPERTY()
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TArray<int32> Vertices;
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UPROPERTY()
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TArray<int32> Edges;
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UPROPERTY()
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TArray<int32> Faces;
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UPROPERTY()
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TArray<int32> Groups;
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public:
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/** @return current selected elements of the given ElementType */
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INTERACTIVETOOLSFRAMEWORK_API TArray<int>& GetElements(EMeshSelectionElementType ElementType);
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/** @return current selected elements of the given ElementType */
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INTERACTIVETOOLSFRAMEWORK_API const TArray<int>& GetElements(EMeshSelectionElementType ElementType) const;
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/**
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* Add list of Indices to the current selection for the given ElementType
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* @warning no duplicate detection is currently done
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*/
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INTERACTIVETOOLSFRAMEWORK_API void AddIndices(EMeshSelectionElementType ElementType, const TArray<int32>& Indices);
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/**
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* Add list of Indices to the current selection for the given ElementType
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* @warning no duplicate detection is currently done
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*/
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INTERACTIVETOOLSFRAMEWORK_API void AddIndices(EMeshSelectionElementType ElementType, const TSet<int32>& Indices);
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/**
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* Remove list of Indices from the current selection for the given ElementType
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*/
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INTERACTIVETOOLSFRAMEWORK_API void RemoveIndices(EMeshSelectionElementType ElementType, const TArray<int32>& Indices);
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/**
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* Remove list of Indices from the current selection for the given ElementType
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*/
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INTERACTIVETOOLSFRAMEWORK_API void RemoveIndices(EMeshSelectionElementType ElementType, const TSet<int32>& Indices);
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};
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