MultiSelectionTool.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "InteractiveTool.h"
#include "ComponentSourceInterfaces.h"
#include "ToolTargets/ToolTarget.h"
#include "InteractiveToolQueryInterfaces.h"
 
#include "MultiSelectionTool.generated.h"
 
UCLASS(Transient, MinimalAPI)
class UMultiSelectionTool : public UInteractiveTool, public IInteractiveToolCameraFocusAPI
{
GENERATED_BODY()
public:
    void SetTargets(TArray<TObjectPtr<UToolTarget>> TargetsIn)
    {
        Targets = MoveTemp(TargetsIn);
    }
 
    virtual bool AreAllTargetsValid() const
    {
        for (const TObjectPtr<UToolTarget>& Target : Targets)
        {
            if (Target->IsValid() == false)
            {
                return false;
            }
        }
        return true;
    }
 
 
public:
    virtual bool CanAccept() const override
    {
        return AreAllTargetsValid();
    }
 
protected:
    UPROPERTY()
    TArray<TObjectPtr<UToolTarget>> Targets{};
 
public:
    // IInteractiveToolCameraFocusAPI implementation
    INTERACTIVETOOLSFRAMEWORK_API virtual bool SupportsWorldSpaceFocusBox() override;
    INTERACTIVETOOLSFRAMEWORK_API virtual FBox GetWorldSpaceFocusBox() override;
    INTERACTIVETOOLSFRAMEWORK_API virtual bool SupportsWorldSpaceFocusPoint() override;
    INTERACTIVETOOLSFRAMEWORK_API virtual bool GetWorldSpaceFocusPoint(const FRay& WorldRay, FVector& PointOut) override;
};