SequenceMediaController.h

Go to the documentation of this file.

// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreTypes.h"
#include "UObject/ObjectMacros.h"
#include "GameFramework/Actor.h"
#include "Evaluation/IMovieSceneCustomClockSource.h"
#include "LevelSequenceActor.h"
#include "SequenceMediaController.generated.h"
 
enum class EMediaEvent;
 
class FDelegateHandle;
class UMediaPlayer;
 
UCLASS(hideCategories=(Rendering, Physics, HLOD, Activation, Input, Collision), MinimalAPI)
class ALevelSequenceMediaController
    : public AActor
    , public IMovieSceneCustomClockSource
{
public:
 
    GENERATED_BODY()
 
    LEVELSEQUENCE_API ALevelSequenceMediaController(const FObjectInitializer& Init);
 
    UFUNCTION(BlueprintCallable, Category="Synchronization")
    LEVELSEQUENCE_API void Play();
 
    UFUNCTION(BlueprintPure, Category="Synchronization")
    UMediaComponent* GetMediaComponent() const
    {
        return MediaComponent;
    }
 
    UFUNCTION(BlueprintPure, Category="Synchronization")
    ALevelSequenceActor* GetSequence() const
    {
        return Sequence;
    }
 
    UFUNCTION(BlueprintCallable, Category="Synchronization")
    LEVELSEQUENCE_API void SynchronizeToServer(float DesyncThresholdSeconds = 2.f);
 
private:
 
    LEVELSEQUENCE_API void Client_Play();
 
    LEVELSEQUENCE_API void Client_ConditionallyForceTime(float DesyncThresholdSeconds);
 
private:
 
    LEVELSEQUENCE_API virtual void GetLifetimeReplicatedProps(TArray<FLifetimeProperty>& OutLifetimeProps) const;
 
private:
 
    LEVELSEQUENCE_API virtual void OnTick(float DeltaSeconds, float InPlayRate) override final;
    LEVELSEQUENCE_API virtual void OnStartPlaying(const FQualifiedFrameTime& InStartTime) override final;
    LEVELSEQUENCE_API virtual void OnStopPlaying(const FQualifiedFrameTime& InStopTime) override final;
    LEVELSEQUENCE_API virtual FFrameTime OnRequestCurrentTime(const FQualifiedFrameTime& InCurrentTime, float InPlayRate) override final;
 
private:
 
    UFUNCTION()
    LEVELSEQUENCE_API void OnRep_ServerStartTimeSeconds();
 
    UPROPERTY(EditAnywhere, BlueprintGetter=GetSequence, Category="Synchronization")
    TObjectPtr<ALevelSequenceActor> Sequence;
 
    UPROPERTY(VisibleAnywhere, BlueprintGetter=GetMediaComponent, Category="Synchronization")
    TObjectPtr<UMediaComponent> MediaComponent;
 
    UPROPERTY(BlueprintReadOnly, Category="Synchronization", replicated, ReplicatedUsing=OnRep_ServerStartTimeSeconds, meta=(AllowPrivateAccess="true"))
    float ServerStartTimeSeconds;
 
    double SequencePositionSeconds;
};