Material로 UMG UImage 마스킹

#pragma once

#include "CoreMinimal.h"
#include "Blueprint/UserWidget.h"
#include "MainMenu.generated.h"

UCLASS()
class UI_TEST_API UMainMenu : public UUserWidget
{
    GENERATED_BODY()

protected:
    virtual bool Initialize();

private:
    UFUNCTION()
    void OnPlayGame1();
    UFUNCTION()
    void OnPlayGame2();

    UFUNCTION()
    void OnGetTexture2D(UTexture2DDynamic* _texture);

protected:
    UPROPERTY()//UPROPERTY(meta = (BindWidget))
    class UButton* Game1_Button;

    UPROPERTY()//UPROPERTY(meta = (BindWidget))
    class UButton* Game2_Button;

    UPROPERTY()
    class UImage* Image_picture;

protected:
    UPROPERTY(EditAnywhere, BlueprintReadWrite)
    class UTexture2D* ReplaceTexture;

    class UAsyncTaskDownloadImage* mDownloadTask;
};

void UMainMenu::OnPlayGame2()
{
    UE_LOG(LogTemp, Warning, TEXT("Clicked Game222222!"));

    UMaterialInstanceDynamic* Mat = Image_picture->GetDynamicMaterial();
    if (Mat)
    {
        UE_LOG(LogTemp, Warning, TEXT("Exist Mat"));
        Mat->SetTextureParameterValue(FName(TEXT("BaseTexture")), ReplaceTexture);
    }
}

void UMainMenu::OnGetTexture2D(UTexture2DDynamic* _texture)
{
    //Image_picture->SetBrushFromTextureDynamic(_texture, true);  //이미지 잘 받았는지 테스트
#if  1
    UMaterialInstanceDynamic* Mat = Image_picture->GetDynamicMaterial();
    if (Mat)
    {
        UE_LOG(LogTemp, Warning, TEXT("Exist Mat"));
        Mat->SetTextureParameterValue(FName(TEXT("BaseTexture")), _texture);
    }
#endif
}

void UMainMenu::OnPlayGame1()
{
    UE_LOG(LogTemp, Warning, TEXT("Clicked Game11111!"));

    //Start downloading the image.
    FString mURL = TEXT("https://xpressengine.github.io/XEIcon/assets/img/img_main_m.jpg");
    mDownloadTask = NewObject<UAsyncTaskDownloadImage>();
    mDownloadTask->OnSuccess.AddDynamic(this, &UMainMenu::OnGetTexture2D);
    mDownloadTask->Start(mURL);
}