TouchRegionZoom.h

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// Copyright 2024 Lost in Game Studio. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "VirtualInputEvent.h"
#include "TouchRegionZoom.generated.h"
 
class UInputAction;
class UEnhancedInputLocalPlayerSubsystem;
 
DEFINE_LOG_CATEGORY_STATIC(LogTouchRegionZoom, Log, All)
 
//TODO: Make VirtualInputMultitouchEvent class
 

UCLASS(Abstract, MinimalAPI)
class UTouchRegionZoom : public UVirtualInputEvent
{
    GENERATED_BODY()
 
    UTouchRegionZoom();
 
protected:
    //Begin VirtualInputEvent Implementation
    virtual void Initialize_Implementation() override;
    virtual void OnTouchBegin_Implementation(const FGeometry& Geometry, const FPointerEvent& PointerEvent, const float CurrentTime) override;
    virtual void OnTouchMove_Implementation(const FGeometry& Geometry, const FPointerEvent& PointerEvent, const float CurrentTime, const float PressDuration) override;
    virtual void OnTouchEnd_Implementation(const FGeometry& Geometry, const FPointerEvent& PointerEvent, const float CurrentTime, const float PressDuration) override;
    //End VirtualInputEvent Implementation
 
public:
    UPROPERTY(Category="Settings", EditAnywhere, BlueprintReadOnly)
    UInputAction* InputAction;

    UPROPERTY(Category="Settings", EditAnywhere, BlueprintReadOnly)
    float Scale;
 
private:
    FVector2D FirstFingerLocation;
    FVector2D SecondFingerLocation;
 
    int32 FirstFingerIndex;
    int32 SecondFingerIndex;
 
    int32 FingerCount;
 
    uint8 bTwoFingerGesture:1;
 
    float LastOffset;
 
    UPROPERTY()
    UEnhancedInputLocalPlayerSubsystem* EnhancedInputSubsystem;
};