UnrealWindowViewportClient.h

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// Copyright (c) 2023 FrostBit Software Lab at the Lapland University of Applied Sciences
//
// This work is licensed under the terms of the MIT license.
// For a copy, see <https://opensource.org/licenses/MIT>.
 
#pragma once
 
#include "CoreMinimal.h"
#include "Core.h"
#include "Engine/World.h"
#include "UnrealClient.h"
#include "RenderResource.h"
#include "Engine/TextureRenderTarget2D.h"
#include "ViewportClient.h"
 
class FUnrealWindowViewportClient : public FViewportClient
{
 
public:
 
    virtual void Draw(FViewport* Viewport, FCanvas* Canvas) override;
    virtual bool InputKey(FViewport* Viewport, int32 ControllerId, FKey Key, EInputEvent Event, float AmountDepressed = 1.0f, bool bGamepad = false) override;
    virtual bool InputAxis(FViewport* Viewport, int32 ControllerId, FKey Key, float Delta, float DeltaTime, int32 NumSamples = 1, bool bGamepad = false) override;
    virtual bool InputGesture(FViewport* Viewport, EGestureEvent GestureType, const FVector2D& GestureDelta, bool bIsDirectionInvertedFromDevice) override;
    virtual UWorld* GetWorld() const override { return nullptr; }
    virtual void RedrawRequested(FViewport* Viewport) override { Viewport->Draw(); }
 
    TWeakObjectPtr<UTextureRenderTarget2D> TextRenderTarget2D;
    FTexture* texture = nullptr;
    int width = 1280;
    int height = 720;
};