SelectionSet.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Containers/Array.h"
#include "Containers/Set.h"
#include "CoreMinimal.h"
#include "Delegates/Delegate.h"
#include "HAL/Platform.h"
#include "UObject/Object.h"
#include "UObject/ObjectMacros.h"
#include "UObject/UObjectGlobals.h"
 
#include "SelectionSet.generated.h"
 
class USelectionSet;
 
DECLARE_MULTICAST_DELEGATE_OneParam(FSelectionSetModifiedSignature, USelectionSet*);
 
 
UCLASS(Transient, MinimalAPI)
class USelectionSet : public UObject
{
    GENERATED_BODY()
 
protected:
    FSelectionSetModifiedSignature OnModified;
 
 
public:
 
    FSelectionSetModifiedSignature& GetOnModified()
    {
        return OnModified;
    }
 
    void NotifySelectionSetModified()
    {
        OnModified.Broadcast(this);
    }
 
};
 
 
 
 
enum class EMeshSelectionElementType
{
    Vertex = 0,
    Face = 1,
    Edge = 2,
    Group = 3
};
 
 
 
UCLASS(Transient, MinimalAPI)
class UMeshSelectionSet : public USelectionSet
{
    GENERATED_BODY()
 
public:
    INTERACTIVETOOLSFRAMEWORK_API UMeshSelectionSet();
 
    UPROPERTY()
    TArray<int32> Vertices;
 
    UPROPERTY()
    TArray<int32> Edges;
 
    UPROPERTY()
    TArray<int32> Faces;
 
    UPROPERTY()
    TArray<int32> Groups;
 
 
public:
    INTERACTIVETOOLSFRAMEWORK_API TArray<int>& GetElements(EMeshSelectionElementType ElementType);
 
    INTERACTIVETOOLSFRAMEWORK_API const TArray<int>& GetElements(EMeshSelectionElementType ElementType) const;
 
    INTERACTIVETOOLSFRAMEWORK_API void AddIndices(EMeshSelectionElementType ElementType, const TArray<int32>& Indices);
 
    INTERACTIVETOOLSFRAMEWORK_API void AddIndices(EMeshSelectionElementType ElementType, const TSet<int32>& Indices);
 
 
    INTERACTIVETOOLSFRAMEWORK_API void RemoveIndices(EMeshSelectionElementType ElementType, const TArray<int32>& Indices);
 
    INTERACTIVETOOLSFRAMEWORK_API void RemoveIndices(EMeshSelectionElementType ElementType, const TSet<int32>& Indices);
};