SingleClickBehavior.h

Go to the documentation of this file.

// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "BaseBehaviors/AnyButtonInputBehavior.h"
#include "BehaviorTargetInterfaces.h"
#include "CoreMinimal.h"
#include "InputBehavior.h"
#include "InputBehaviorModifierStates.h"
#include "InputState.h"
#include "Templates/Function.h"
#include "UObject/ObjectMacros.h"
#include "UObject/UObjectGlobals.h"
 
#include "SingleClickBehavior.generated.h"
 
class UObject;
 
 
UCLASS(MinimalAPI)
class USingleClickInputBehavior : public UAnyButtonInputBehavior
{
    GENERATED_BODY()
 
public:
    INTERACTIVETOOLSFRAMEWORK_API USingleClickInputBehavior();
 
    INTERACTIVETOOLSFRAMEWORK_API virtual void Initialize(IClickBehaviorTarget* Target);
 
 
    TFunction<bool(const FInputDeviceState&)> ModifierCheckFunc = nullptr;
 
 
    // UInputBehavior implementation
 
    INTERACTIVETOOLSFRAMEWORK_API virtual FInputCaptureRequest WantsCapture(const FInputDeviceState& Input) override;
    INTERACTIVETOOLSFRAMEWORK_API virtual FInputCaptureUpdate BeginCapture(const FInputDeviceState& Input, EInputCaptureSide eSide) override;
    INTERACTIVETOOLSFRAMEWORK_API virtual FInputCaptureUpdate UpdateCapture(const FInputDeviceState& Input, const FInputCaptureData& Data) override;
    INTERACTIVETOOLSFRAMEWORK_API virtual void ForceEndCapture(const FInputCaptureData& Data) override;
 
 
public:
    UPROPERTY()
    bool HitTestOnRelease;
 
    FInputBehaviorModifierStates Modifiers;
 
 
protected:
    IClickBehaviorTarget* Target;
 
    INTERACTIVETOOLSFRAMEWORK_API virtual void Clicked(const FInputDeviceState& Input, const FInputCaptureData& Data);
};
 
UCLASS(MinimalAPI)
class ULocalSingleClickInputBehavior : public USingleClickInputBehavior, public IClickBehaviorTarget
{
    GENERATED_BODY()
protected:
    using USingleClickInputBehavior::Initialize;
 
public:
    virtual void Initialize()
    {
        this->Initialize(this);
    }
 
    TUniqueFunction<FInputRayHit(const FInputDeviceRay&)> IsHitByClickFunc = [](const FInputDeviceRay& ClickPos) { return FInputRayHit(); };
 
    TUniqueFunction<void(const FInputDeviceRay&)> OnClickedFunc = [](const FInputDeviceRay& ClickPos) {};
 
    TUniqueFunction< void(int, bool) > OnUpdateModifierStateFunc = [](int ModifierID, bool bIsOn) {};
 
public:
    // IClickBehaviorTarget implementation
 
    virtual FInputRayHit IsHitByClick(const FInputDeviceRay& ClickPos) override
    {
        return IsHitByClickFunc(ClickPos);
    }
 
    virtual void OnClicked(const FInputDeviceRay& ClickPos) override
    {
        return OnClickedFunc(ClickPos);
    }
 
    // IModifierToggleBehaviorTarget implementation
    virtual void OnUpdateModifierState(int ModifierID, bool bIsOn)
    {
        return OnUpdateModifierStateFunc(ModifierID,bIsOn);
    }
};