NullMoviePlayer.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "MoviePlayer.h"
 
class FNullGameMoviePlayer : public IGameMoviePlayer,
    public TSharedFromThis<FNullGameMoviePlayer>
{
public:
    static void Create()
    {
        check(IsInGameThread() && !IsInSlateThread());
        check(!MoviePlayer.IsValid());
 
        MoviePlayer = MakeShareable(new FNullGameMoviePlayer);
    }
 
    static void Destroy()
    {
        check(IsInGameThread() && !IsInSlateThread());
 
        MoviePlayer.Reset();
    }
 
    static FNullGameMoviePlayer* Get()
    {
        return MoviePlayer.Get();
    }
 
    virtual void RegisterMovieStreamer(TSharedPtr<class IMovieStreamer, ESPMode::ThreadSafe> InMovieStreamer) override {}
    virtual void Initialize(class FSlateRenderer& InSlateRenderer, TSharedPtr<SWindow> RenderTarget = nullptr) override {}
    virtual void Shutdown() override {}
    virtual void PassLoadingScreenWindowBackToGame() const override {}
    virtual void SetupLoadingScreen(const FLoadingScreenAttributes& InLoadingScreenAttributes) override {}
    virtual bool HasEarlyStartupMovie() const override { return false; }
    virtual bool IsInitialized() const override { return false; }
    virtual bool PlayEarlyStartupMovies() override { return false; }
    virtual bool PlayMovie() override { return false; }
    virtual void StopMovie() override {}
    virtual void WaitForMovieToFinish(bool bAllowEngineTick = false) override {}
    virtual bool IsLoadingFinished() const override {return true;}
    virtual bool IsMovieCurrentlyPlaying() const override  {return false;}
    virtual bool LoadingScreenIsPrepared() const override {return false;}
    virtual void SetupLoadingScreenFromIni() override {}
    virtual FOnPrepareLoadingScreen& OnPrepareLoadingScreen() override { return OnPrepareLoadingScreenDelegate; }
    virtual FOnMoviePlaybackStarted& OnMoviePlaybackStarted() override { return OnMoviePlaybackStartedDelegate; }
    virtual FOnMoviePlaybackTick& OnMoviePlaybackTick() override { return OnMoviePlaybackTickDelegate; }
    virtual FOnMoviePlaybackFinished& OnMoviePlaybackFinished() override { return OnMoviePlaybackFinishedDelegate; }
    virtual FOnMovieClipFinished& OnMovieClipFinished() override { return OnMovieClipFinishedDelegate; }
    virtual void SetSlateOverlayWidget(TSharedPtr<SWidget> NewOverlayWidget) override { }
    virtual bool WillAutoCompleteWhenLoadFinishes() override { return false; }
    virtual FString GetMovieName() override { return TEXT(""); }
    virtual bool IsLastMovieInPlaylist() override { return false; }
 
 
private:
    FNullGameMoviePlayer() {}
    
private:
    static TSharedPtr<FNullGameMoviePlayer> MoviePlayer;
    
    FOnPrepareLoadingScreen OnPrepareLoadingScreenDelegate;
 
    FOnMoviePlaybackStarted OnMoviePlaybackStartedDelegate;
    FOnMoviePlaybackTick OnMoviePlaybackTickDelegate;
    FOnMoviePlaybackFinished OnMoviePlaybackFinishedDelegate;
    FOnMovieClipFinished OnMovieClipFinishedDelegate;
 
};