Files
UnrealEngine/Engine/Source/Runtime/MediaAssets/Public/PlatformMediaSource.h
2025-05-18 13:04:45 +08:00

93 lines
2.5 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "Containers/Map.h"
#include "Containers/UnrealString.h"
#include "CoreTypes.h"
#include "Internationalization/Text.h"
#include "MediaSource.h"
#include "UObject/NameTypes.h"
#include "UObject/ObjectMacros.h"
#include "UObject/ObjectPtr.h"
#include "UObject/UObjectGlobals.h"
#include "PlatformMediaSource.generated.h"
class FArchive;
class FObjectPreSaveContext;
class UObject;
struct FGuid;
/**
* A media source that selects other media sources based on target platform.
*
* Use this asset to override media sources on a per-platform basis.
*/
UCLASS(BlueprintType, MinimalAPI)
class UPlatformMediaSource
: public UMediaSource
{
GENERATED_BODY()
public:
#if WITH_EDITORONLY_DATA
/** Media sources per platform. */
UPROPERTY(transient, EditAnywhere, Category=Sources, Meta=(DisplayName="Media Sources"))
TMap<FString, TObjectPtr<UMediaSource>> PlatformMediaSources;
private:
/** Blind data encountered at load that could not be mapped to a known platform */
TMap<FGuid, UMediaSource*> BlindPlatformMediaSources;
#endif
public:
//~ UObject interface
MEDIAASSETS_API virtual void PreSave(FObjectPreSaveContext ObjectSaveContext);
MEDIAASSETS_API virtual void Serialize(FArchive& Ar) override;
//~ UMediaSource interface
MEDIAASSETS_API virtual FString GetUrl() const override;
MEDIAASSETS_API virtual bool Validate() const override;
#if WITH_EDITOR
virtual FString GetDescriptionString() const override;
#endif //WITH_EDITOR
public:
//~ IMediaOptions interface
MEDIAASSETS_API virtual FName GetDesiredPlayerName() const override;
MEDIAASSETS_API virtual bool GetMediaOption(const FName& Key, bool DefaultValue) const override;
MEDIAASSETS_API virtual double GetMediaOption(const FName& Key, double DefaultValue) const override;
MEDIAASSETS_API virtual int64 GetMediaOption(const FName& Key, int64 DefaultValue) const override;
MEDIAASSETS_API virtual FString GetMediaOption(const FName& Key, const FString& DefaultValue) const override;
MEDIAASSETS_API virtual FText GetMediaOption(const FName& Key, const FText& DefaultValue) const override;
MEDIAASSETS_API virtual bool HasMediaOption(const FName& Key) const override;
private:
/**
* Get the media source for the running target platform.
*
* @return The media source, or nullptr if not set.
*/
UMediaSource* GetMediaSource() const;
private:
/**
* Default media source.
*
* This media source will be used if no source was specified for a target platform.
*/
UPROPERTY()
TObjectPtr<UMediaSource> MediaSource;
};