UDocumentation UE5.7 10.02.2026 (Source)
API documentation for Unreal Engine 5.7
UDataStream Class Reference

#include <DataStream.h>

+ Inheritance diagram for UDataStream:

Classes

struct  FBeginWriteParameters
 
struct  FInitParameters
 
struct  FUpdateParameters
 

Public Types

enum class  EWriteResult { NoData , Ok , HasMoreData }
 
enum class  EUpdateType : uint8 { PreSendUpdate = 0 , PostTickFlush = 1 }
 
enum class  EDataStreamState : uint8 {
  Invalid = 0 , PendingCreate , WaitOnCreateConfirmation , Open ,
  PendingClose , WaitOnCloseConfirmation , Count
}
 
- Public Types inherited from UObject
enum class  ENetFields_Private { NETFIELD_REP_START = 0 , NETFIELD_REP_END = -1 }
 
typedef UObject WithinClass
 

Public Member Functions

virtual IRISCORE_API ~UDataStream ()
 
virtual IRISCORE_API void Init (const FInitParameters &Params)
 
virtual IRISCORE_API void Deinit ()
 
virtual IRISCORE_API void Update (const FUpdateParameters &Params)
 
virtual IRISCORE_API EWriteResult BeginWrite (const FBeginWriteParameters &Params)
 
virtual EWriteResult WriteData (UE::Net::FNetSerializationContext &Context, FDataStreamRecord const *&OutRecord) PURE_VIRTUAL(WriteData
 
virtual IRISCORE_API void EndWrite ()
 
virtual void ReadData (UE::Net::FNetSerializationContext &Context) PURE_VIRTUAL(ReadData
 
virtual void virtual void ProcessPacketDeliveryStatus (UE::Net::EPacketDeliveryStatus Status, FDataStreamRecord const *Record) PURE_VIRTUAL(ProcessPacketDeliveryStatus
 
virtual void virtual void virtual bool HasAcknowledgedAllReliableData () const PURE_VIRTUAL(HasAcknowledgedAllReliableData
 
FName GetDataStreamName () const
 
IRISCORE_API void RequestClose ()
 
IRISCORE_API const UDataStream::EDataStreamState GetState () const
 
- Public Member Functions inherited from UObject
COREUOBJECT_API UObject ()
 
COREUOBJECT_API UObject (const FObjectInitializer &ObjectInitializer)
 
COREUOBJECT_API UObject (EStaticConstructor, EObjectFlags InFlags)
 
COREUOBJECT_API UObject (FVTableHelper &Helper)
 
COREUOBJECT_API UObjectCreateDefaultSubobject (FName SubobjectFName, UClass *ReturnType, UClass *ClassToCreateByDefault, bool bIsRequired, bool bIsTransient)
 
template<class TReturnType >
TReturnTypeCreateEditorOnlyDefaultSubobject (FName SubobjectName, bool bTransient=false)
 
template<class TReturnType >
TReturnTypeCreateDefaultSubobject (FName SubobjectName, bool bTransient=false)
 
template<class TReturnType , class TClassToConstructByDefault >
TReturnTypeCreateDefaultSubobject (FName SubobjectName, bool bTransient=false)
 
template<class TReturnType >
TReturnTypeCreateOptionalDefaultSubobject (FName SubobjectName, bool bTransient=false)
 
template<class TReturnType , class TClassToConstructByDefault >
TReturnTypeCreateOptionalDefaultSubobject (FName SubobjectName, bool bTransient=false)
 
COREUOBJECT_API void GetDefaultSubobjects (TArray< UObject * > &OutDefaultSubobjects)
 
COREUOBJECT_API UObjectGetDefaultSubobjectByName (FName ToFind)
 
virtual COREUOBJECT_API void PostInitProperties ()
 
virtual COREUOBJECT_API void PostReinitProperties ()
 
virtual void PostCDOContruct ()
 
virtual COREUOBJECT_API void PreSaveRoot (FObjectPreSaveRootContext ObjectSaveContext)
 
virtual COREUOBJECT_API void PostSaveRoot (FObjectPostSaveRootContext ObjectSaveContext)
 
virtual COREUOBJECT_API void PreSave (FObjectPreSaveContext SaveContext)
 
virtual COREUOBJECT_API void CollectSaveOverrides (FObjectCollectSaveOverridesContext SaveContext)
 
UE_FORCEINLINE_HINT bool Modify (bool bAlwaysMarkDirty=true)
 
UE_FORCEINLINE_HINT bool IsCapturingAsRootObjectForTransaction () const
 
virtual bool ResolveSubobject (const TCHAR *SubObjectPath, UObject *&OutObject, bool bLoadIfExists)
 
virtual bool IsReadyForAsyncPostLoad () const
 
virtual COREUOBJECT_API void PostLoad ()
 
virtual COREUOBJECT_API void PostLoadSubobjects (FObjectInstancingGraph *OuterInstanceGraph)
 
virtual COREUOBJECT_API void BeginDestroy ()
 
virtual bool IsReadyForFinishDestroy ()
 
virtual COREUOBJECT_API void FinishDestroy ()
 
virtual COREUOBJECT_API void Serialize (FArchive &Ar)
 
virtual COREUOBJECT_API void Serialize (FStructuredArchive::FRecord Record)
 
virtual void ShutdownAfterError ()
 
virtual void PostInterpChange (FProperty *PropertyThatChanged)
 
virtual COREUOBJECT_API void PostRename (UObject *OldOuter, const FName OldName)
 
virtual void PreDuplicate (FObjectDuplicationParameters &DupParams)
 
virtual void PostDuplicate (bool bDuplicateForPIE)
 
virtual void PostDuplicate (EDuplicateMode::Type DuplicateMode)
 
virtual COREUOBJECT_API bool NeedsLoadForClient () const
 
virtual COREUOBJECT_API bool NeedsLoadForServer () const
 
virtual COREUOBJECT_API bool NeedsLoadForTargetPlatform (const class ITargetPlatform *TargetPlatform) const
 
virtual bool NeedsLoadForEditorGame () const
 
virtual bool IsEditorOnly () const
 
virtual bool HasNonEditorOnlyReferences () const
 
virtual bool IsPostLoadThreadSafe () const
 
virtual COREUOBJECT_API bool IsDestructionThreadSafe () const
 
virtual COREUOBJECT_API void GetPreloadDependencies (TArray< UObject * > &OutDeps)
 
virtual void GetPrestreamPackages (TArray< UObject * > &OutPrestream)
 
virtual void ExportCustomProperties (FOutputDevice &Out, uint32 Indent)
 
virtual void ImportCustomProperties (const TCHAR *SourceText, FFeedbackContext *Warn)
 
virtual void PostEditImport ()
 
virtual void PostReloadConfig (class FProperty *PropertyThatWasLoaded)
 
virtual COREUOBJECT_API bool Rename (const TCHAR *NewName=nullptr, UObject *NewOuter=nullptr, ERenameFlags Flags=REN_None)
 
virtual FString GetDesc ()
 
COREUOBJECT_API UScriptStructGetSparseClassDataStruct () const
 
virtual bool GetNativePropertyValues (TMap< FString, FString > &out_PropertyValues, uint32 ExportFlags=0) const
 
virtual COREUOBJECT_API void GetResourceSizeEx (FResourceSizeEx &CumulativeResourceSize)
 
SIZE_T GetResourceSizeBytes (EResourceSizeMode::Type Mode)
 
virtual FName GetExporterName (void)
 
COREUOBJECT_API void CallAddReferencedObjects (FReferenceCollector &Collector)
 
virtual FRestoreForUObjectOverwriteGetRestoreForUObjectOverwrite ()
 
virtual bool AreNativePropertiesIdenticalTo (UObject *Other) const
 
virtual COREUOBJECT_API void GetAssetRegistryTags (FAssetRegistryTagsContext Context) const
 
virtual COREUOBJECT_API void GetAssetRegistryTags (TArray< FAssetRegistryTag > &OutTags) const
 
COREUOBJECT_API void GetAssetRegistryTags (FAssetData &Out) const
 
COREUOBJECT_API void GetAssetRegistryTags (FAssetRegistryTagsContext Context, FAssetData &Out) const
 
virtual COREUOBJECT_API bool IsAsset () const
 
virtual COREUOBJECT_API FPrimaryAssetId GetPrimaryAssetId () const
 
virtual COREUOBJECT_API bool IsLocalizedResource () const
 
virtual COREUOBJECT_API bool IsSafeForRootSet () const
 
virtual COREUOBJECT_API void TagSubobjects (EObjectFlags NewFlags)
 
virtual COREUOBJECT_API void GetLifetimeReplicatedProps (TArray< class FLifetimeProperty > &OutLifetimeProps) const
 
virtual COREUOBJECT_API void GetReplicatedCustomConditionState (FCustomPropertyConditionState &OutActiveState) const
 
virtual COREUOBJECT_API void RegisterReplicationFragments (UE::Net::FFragmentRegistrationContext &Context, UE::Net::EFragmentRegistrationFlags RegistrationFlags)
 
virtual COREUOBJECT_API bool IsNameStableForNetworking () const
 
virtual COREUOBJECT_API bool IsFullNameStableForNetworking () const
 
virtual COREUOBJECT_API bool IsSupportedForNetworking () const
 
virtual void GetSubobjectsWithStableNamesForNetworking (TArray< UObject * > &ObjList)
 
virtual COREUOBJECT_API void PreNetReceive ()
 
virtual COREUOBJECT_API void PostNetReceive ()
 
virtual void PostRepNotifies ()
 
virtual COREUOBJECT_API void PreDestroyFromReplication ()
 
COREUOBJECT_API bool IsSelected () const
 
COREUOBJECT_API void SerializeScriptProperties (FArchive &Ar) const
 
COREUOBJECT_API void SerializeScriptProperties (FStructuredArchive::FSlot Slot) const
 
COREUOBJECT_API void ReinitializeProperties (UObject *SourceObject=NULL, struct FObjectInstancingGraph *InstanceGraph=NULL)
 
COREUOBJECT_API FString GetDetailedInfo () const
 
COREUOBJECT_API bool ConditionalBeginDestroy ()
 
COREUOBJECT_API bool ConditionalFinishDestroy ()
 
COREUOBJECT_API void ConditionalPostLoad ()
 
COREUOBJECT_API void ConditionalPreload ()
 
COREUOBJECT_API void ConditionalPostLoadSubobjects (struct FObjectInstancingGraph *OuterInstanceGraph=NULL)
 
bool IsBasedOnArchetype (const UObject *const SomeObject) const
 
COREUOBJECT_API UFunctionFindFunction (FName InName) const
 
COREUOBJECT_API UFunctionFindFunctionChecked (FName InName) const
 
virtual COREUOBJECT_API void BuildSubobjectMapping (UObject *OtherObject, TMap< UObject *, UObject * > &ObjectMapping) const
 
COREUOBJECT_API void CollectDefaultSubobjects (TArray< UObject * > &OutDefaultSubobjects, bool bIncludeNestedSubobjects=false) const
 
COREUOBJECT_API bool CheckDefaultSubobjects (bool bForceCheck=false) const
 
COREUOBJECT_API void SaveConfig (uint64 RequiredPropertyFlags=CPF_Config, const TCHAR *Filename=nullptr, FConfigCacheIni *Config=GConfig, bool bAllowCopyToDefaultObject=true)
 
COREUOBJECT_API void SaveConfig (const FSaveConfigContext &Context)
 
COREUOBJECT_API void UpdateDefaultConfigFile (const FString &SpecificFileLocation="")
 
COREUOBJECT_API bool TryUpdateDefaultConfigFile (const FString &SpecificFileLocation="", bool bWarnIfFail=true)
 
COREUOBJECT_API void UpdateGlobalUserConfigFile ()
 
COREUOBJECT_API void UpdateProjectUserConfigFile ()
 
COREUOBJECT_API void UpdateSinglePropertyInConfigFile (const FProperty *InProperty, const FString &InConfigIniName)
 
COREUOBJECT_API FString GetDefaultConfigFilename () const
 
COREUOBJECT_API FString GetGlobalUserConfigFilename () const
 
COREUOBJECT_API FString GetProjectUserConfigFilename () const
 
virtual const TCHARGetConfigOverridePlatform () const
 
virtual void OverrideConfigSection (FString &SectionName)
 
virtual void OverridePerObjectConfigSection (FString &SectionName)
 
COREUOBJECT_API void LoadConfig (UClass *ConfigClass=nullptr, const TCHAR *Filename=nullptr, uint32 PropagationFlags=UE::LCPF_None, class FProperty *PropertyToLoad=nullptr, TArray< UE::ConfigAccessTracking::FConfigAccessData > *OutAccessedKeys=nullptr)
 
COREUOBJECT_API void ReloadConfig (UClass *ConfigClass=NULL, const TCHAR *Filename=NULL, uint32 PropagationFlags=UE::LCPF_None, class FProperty *PropertyToLoad=NULL)
 
COREUOBJECT_API void ParseParms (const TCHAR *Parms)
 
COREUOBJECT_API void OutputReferencers (FOutputDevice &Ar, FReferencerInformationList *Referencers=NULL)
 
COREUOBJECT_API void RetrieveReferencers (TArray< FReferencerInformation > *OutInternalReferencers, TArray< FReferencerInformation > *OutExternalReferencers)
 
COREUOBJECT_API void SetLinker (FLinkerLoad *LinkerLoad, int32 LinkerIndex, bool bShouldDetachExisting=true, bool bSilenceLogs=false)
 
COREUOBJECT_API UObjectGetArchetype () const
 
COREUOBJECT_API void GetArchetypeInstances (TArray< UObject * > &Instances)
 
COREUOBJECT_API void InstanceSubobjectTemplates (struct FObjectInstancingGraph *InstanceGraph=NULL)
 
template<class T >
bool Implements () const
 
virtual COREUOBJECT_API void ProcessEvent (UFunction *Function, void *Parms)
 
virtual int32 GetFunctionCallspace (UFunction *Function, FFrame *Stack)
 
virtual bool CallRemoteFunction (UFunction *Function, void *Parms, struct FOutParmRec *OutParms, FFrame *Stack)
 
COREUOBJECT_API bool CallFunctionByNameWithArguments (const TCHAR *Cmd, FOutputDevice &Ar, UObject *Executor, bool bForceCallWithNonExec=false)
 
COREUOBJECT_API void CallFunction (FFrame &Stack, RESULT_DECL, UFunction *Function)
 
 DECLARE_FUNCTION (ProcessInternal)
 
virtual bool ProcessConsoleExec (const TCHAR *Cmd, FOutputDevice &Ar, UObject *Executor)
 
COREUOBJECT_API void SkipFunction (FFrame &Stack, RESULT_DECL, UFunction *Function)
 
virtual UClassRegenerateClass (UClass *ClassToRegenerate, UObject *PreviousCDO)
 
COREUOBJECT_API bool IsInBlueprint () const
 
COREUOBJECT_API void DestroyNonNativeProperties ()
 
virtual void MarkAsEditorOnlySubobject ()
 
COREUOBJECT_API void AbortInsideMemberFunction () const
 
 DECLARE_FUNCTION (execUndefined)
 
 DECLARE_FUNCTION (execLocalVariable)
 
 DECLARE_FUNCTION (execInstanceVariable)
 
 DECLARE_FUNCTION (execDefaultVariable)
 
 DECLARE_FUNCTION (execLocalOutVariable)
 
 DECLARE_FUNCTION (execInterfaceVariable)
 
 DECLARE_FUNCTION (execClassSparseDataVariable)
 
 DECLARE_FUNCTION (execInterfaceContext)
 
 DECLARE_FUNCTION (execArrayElement)
 
 DECLARE_FUNCTION (execBoolVariable)
 
 DECLARE_FUNCTION (execClassDefaultVariable)
 
 DECLARE_FUNCTION (execEndFunctionParms)
 
 DECLARE_FUNCTION (execNothing)
 
 DECLARE_FUNCTION (execNothingInt32)
 
 DECLARE_FUNCTION (execNothingOp4a)
 
 DECLARE_FUNCTION (execBreakpoint)
 
 DECLARE_FUNCTION (execTracepoint)
 
 DECLARE_FUNCTION (execWireTracepoint)
 
 DECLARE_FUNCTION (execInstrumentation)
 
 DECLARE_FUNCTION (execEndOfScript)
 
 DECLARE_FUNCTION (execReturnNothing)
 
 DECLARE_FUNCTION (execEmptyParmValue)
 
 DECLARE_FUNCTION (execJump)
 
 DECLARE_FUNCTION (execJumpIfNot)
 
 DECLARE_FUNCTION (execAssert)
 
 DECLARE_FUNCTION (execPushExecutionFlow)
 
 DECLARE_FUNCTION (execPopExecutionFlow)
 
 DECLARE_FUNCTION (execComputedJump)
 
 DECLARE_FUNCTION (execPopExecutionFlowIfNot)
 
 DECLARE_FUNCTION (execLet)
 
 DECLARE_FUNCTION (execLetObj)
 
 DECLARE_FUNCTION (execLetWeakObjPtr)
 
 DECLARE_FUNCTION (execLetBool)
 
 DECLARE_FUNCTION (execLetDelegate)
 
 DECLARE_FUNCTION (execLetMulticastDelegate)
 
 DECLARE_FUNCTION (execAddMulticastDelegate)
 
 DECLARE_FUNCTION (execClearMulticastDelegate)
 
 DECLARE_FUNCTION (execEatReturnValue)
 
 DECLARE_FUNCTION (execRemoveMulticastDelegate)
 
 DECLARE_FUNCTION (execSelf)
 
 DECLARE_FUNCTION (execContext)
 
 DECLARE_FUNCTION (execContext_FailSilent)
 
 DECLARE_FUNCTION (execStructMemberContext)
 
 DECLARE_FUNCTION (execVirtualFunction)
 
 DECLARE_FUNCTION (execFinalFunction)
 
 DECLARE_FUNCTION (execLocalVirtualFunction)
 
 DECLARE_FUNCTION (execLocalFinalFunction)
 
 DECLARE_FUNCTION (execStructCmpEq)
 
 DECLARE_FUNCTION (execStructCmpNe)
 
 DECLARE_FUNCTION (execStructMember)
 
 DECLARE_FUNCTION (execEqualEqual_DelegateDelegate)
 
 DECLARE_FUNCTION (execNotEqual_DelegateDelegate)
 
 DECLARE_FUNCTION (execEqualEqual_DelegateFunction)
 
 DECLARE_FUNCTION (execNotEqual_DelegateFunction)
 
 DECLARE_FUNCTION (execIntConst)
 
 DECLARE_FUNCTION (execInt64Const)
 
 DECLARE_FUNCTION (execUInt64Const)
 
 DECLARE_FUNCTION (execSkipOffsetConst)
 
 DECLARE_FUNCTION (execFloatConst)
 
 DECLARE_FUNCTION (execDoubleConst)
 
 DECLARE_FUNCTION (execStringConst)
 
 DECLARE_FUNCTION (execUnicodeStringConst)
 
 DECLARE_FUNCTION (execTextConst)
 
 DECLARE_FUNCTION (execPropertyConst)
 
 DECLARE_FUNCTION (execObjectConst)
 
 DECLARE_FUNCTION (execSoftObjectConst)
 
 DECLARE_FUNCTION (execFieldPathConst)
 
 DECLARE_FUNCTION (execInstanceDelegate)
 
 DECLARE_FUNCTION (execNameConst)
 
 DECLARE_FUNCTION (execByteConst)
 
 DECLARE_FUNCTION (execIntZero)
 
 DECLARE_FUNCTION (execIntOne)
 
 DECLARE_FUNCTION (execTrue)
 
 DECLARE_FUNCTION (execFalse)
 
 DECLARE_FUNCTION (execNoObject)
 
 DECLARE_FUNCTION (execNullInterface)
 
 DECLARE_FUNCTION (execIntConstByte)
 
 DECLARE_FUNCTION (execRotationConst)
 
 DECLARE_FUNCTION (execVectorConst)
 
 DECLARE_FUNCTION (execVector3fConst)
 
 DECLARE_FUNCTION (execTransformConst)
 
 DECLARE_FUNCTION (execStructConst)
 
 DECLARE_FUNCTION (execSetArray)
 
 DECLARE_FUNCTION (execSetSet)
 
 DECLARE_FUNCTION (execSetMap)
 
 DECLARE_FUNCTION (execArrayConst)
 
 DECLARE_FUNCTION (execSetConst)
 
 DECLARE_FUNCTION (execMapConst)
 
 DECLARE_FUNCTION (execBitFieldConst)
 
 DECLARE_FUNCTION (execNew)
 
 DECLARE_FUNCTION (execClassContext)
 
 DECLARE_FUNCTION (execNativeParm)
 
 DECLARE_FUNCTION (execCast)
 
 DECLARE_FUNCTION (execDynamicCast)
 
 DECLARE_FUNCTION (execMetaCast)
 
 DECLARE_FUNCTION (execInterfaceCast)
 
 DECLARE_FUNCTION (execDoubleToFloatCast)
 
 DECLARE_FUNCTION (execFloatToDoubleCast)
 
 DECLARE_FUNCTION (execObjectToBool)
 
 DECLARE_FUNCTION (execInterfaceToBool)
 
 DECLARE_FUNCTION (execObjectToInterface)
 
 DECLARE_FUNCTION (execInterfaceToInterface)
 
 DECLARE_FUNCTION (execInterfaceToObject)
 
 DECLARE_FUNCTION (execGetDynArrayElement)
 
 DECLARE_FUNCTION (execSetDynArrayElement)
 
 DECLARE_FUNCTION (execGetDynArrayLength)
 
 DECLARE_FUNCTION (execSetDynArrayLength)
 
 DECLARE_FUNCTION (execDynArrayInsert)
 
 DECLARE_FUNCTION (execDynArrayRemove)
 
 DECLARE_FUNCTION (execDynArrayFind)
 
 DECLARE_FUNCTION (execDynArrayFindStruct)
 
 DECLARE_FUNCTION (execDynArrayAdd)
 
 DECLARE_FUNCTION (execDynArrayAddItem)
 
 DECLARE_FUNCTION (execDynArrayInsertItem)
 
 DECLARE_FUNCTION (execDynArrayRemoveItem)
 
 DECLARE_FUNCTION (execDynArraySort)
 
 DECLARE_FUNCTION (execBindDelegate)
 
 DECLARE_FUNCTION (execCallMulticastDelegate)
 
 DECLARE_FUNCTION (execLetValueOnPersistentFrame)
 
 DECLARE_FUNCTION (execCallMathFunction)
 
 DECLARE_FUNCTION (execSwitchValue)
 
 DECLARE_FUNCTION (execArrayGetByRef)
 
 DECLARE_FUNCTION (execAutoRtfmTransact)
 
 DECLARE_FUNCTION (execAutoRtfmStopTransact)
 
 DECLARE_FUNCTION (execAutoRtfmAbortIfNot)
 
void ExecuteUbergraph (int32 EntryPoint)
 
virtual void ValidateGeneratedRepEnums (const TArray< struct FRepRecord > &ClassReps) const
 
virtual uint64 GetNetPushIdDynamic () const
 
- Public Member Functions inherited from UObjectBaseUtility
 UObjectBaseUtility ()
 
 UObjectBaseUtility (EObjectFlags InFlags)
 
void SetFlags (EObjectFlags NewFlags)
 
void ClearFlags (EObjectFlags FlagsToClear)
 
bool HasAnyFlags (EObjectFlags FlagsToCheck) const
 
bool HasAllFlags (EObjectFlags FlagsToCheck) const
 
UE_FORCEINLINE_HINT EObjectFlags GetMaskedFlags (EObjectFlags Mask=RF_AllFlags) const
 
UE_FORCEINLINE_HINT void Mark (EObjectMark Marks) const
 
UE_FORCEINLINE_HINT void UnMark (EObjectMark Marks) const
 
UE_FORCEINLINE_HINT bool HasAnyMarks (EObjectMark Marks) const
 
UE_FORCEINLINE_HINT bool HasAllMarks (EObjectMark Marks) const
 
UE_FORCEINLINE_HINT EObjectMark GetAllMarks () const
 
void MarkAsGarbage ()
 
void ClearGarbage ()
 
UE_FORCEINLINE_HINT void AddToRoot ()
 
UE_FORCEINLINE_HINT void RemoveFromRoot ()
 
UE_FORCEINLINE_HINT bool IsRooted () const
 
UE_FORCEINLINE_HINT int32 GetRefCount () const
 
bool ThisThreadAtomicallyClearedRFUnreachable ()
 
UE_FORCEINLINE_HINT bool IsUnreachable () const
 
UE_FORCEINLINE_HINT bool IsNative () const
 
void SetInternalFlags (EInternalObjectFlags FlagsToSet) const
 
UE_FORCEINLINE_HINT EInternalObjectFlags GetInternalFlags () const
 
UE_FORCEINLINE_HINT bool HasAnyInternalFlags (EInternalObjectFlags FlagsToCheck) const
 
void ClearInternalFlags (EInternalObjectFlags FlagsToClear) const
 
bool AtomicallyClearInternalFlags (EInternalObjectFlags FlagsToClear) const
 
COREUOBJECT_API FString GetFullName (const UObject *StopOuter=NULL, EObjectFullNameFlags Flags=EObjectFullNameFlags::None) const
 
COREUOBJECT_API void GetFullName (const UObject *StopOuter, FString &ResultString, EObjectFullNameFlags Flags=EObjectFullNameFlags::None) const
 
COREUOBJECT_API void GetFullName (FStringBuilderBase &ResultString, const UObject *StopOuter=NULL, EObjectFullNameFlags Flags=EObjectFullNameFlags::None) const
 
COREUOBJECT_API FString GetPathName (const UObject *StopOuter=NULL) const
 
COREUOBJECT_API void GetPathName (const UObject *StopOuter, FString &ResultString) const
 
COREUOBJECT_API void GetPathName (const UObject *StopOuter, FStringBuilderBase &ResultString) const
 
virtual bool CanBeClusterRoot () const
 
virtual COREUOBJECT_API bool CanBeInCluster () const
 
virtual COREUOBJECT_API void CreateCluster ()
 
virtual void OnClusterMarkedAsPendingKill ()
 
COREUOBJECT_API void AddToCluster (UObjectBaseUtility *ClusterRootOrObjectFromCluster, bool bAddAsMutableObject=false)
 
COREUOBJECT_API FString GetFullGroupName (bool bStartWithOuter) const
 
UE_FORCEINLINE_HINT FString GetName () const
 
UE_FORCEINLINE_HINT void GetName (FString &ResultString) const
 
UE_FORCEINLINE_HINT void AppendName (FString &ResultString) const
 
COREUOBJECT_API bool IsPackageExternal () const
 
COREUOBJECT_API void DetachExternalPackage ()
 
COREUOBJECT_API void ReattachExternalPackage ()
 
COREUOBJECT_API UObjectGetOutermostObject () const
 
COREUOBJECT_API UPackageGetPackage () const
 
UE_INTERNAL virtual COREUOBJECT_API UE::Core::FVersePath GetVersePath () const
 
COREUOBJECT_API UPackageGetOutermost () const
 
COREUOBJECT_API bool MarkPackageDirty () const
 
COREUOBJECT_API bool IsTemplate (EObjectFlags TemplateTypes=RF_ArchetypeObject|RF_ClassDefaultObject) const
 
COREUOBJECT_API UObjectGetTypedOuter (UClass *Target) const
 
template<typename T >
T * GetTypedOuter () const
 
template<typename InterfaceClassType >
InterfaceClassTypeGetImplementingOuter () const
 
COREUOBJECT_API UObjectBaseUtilityGetImplementingOuterObject (const UClass *InInterfaceClass) const
 
COREUOBJECT_API bool IsIn (const UObject *SomeOuter) const
 
COREUOBJECT_API bool IsIn (const UPackage *SomePackage) const
 
COREUOBJECT_API bool IsInOuter (const UObject *SomeOuter) const
 
COREUOBJECT_API bool IsInPackage (const UPackage *SomePackage) const
 
COREUOBJECT_API bool IsInA (const UClass *SomeBaseClass) const
 
COREUOBJECT_API bool RootPackageHasAnyFlags (uint32 CheckFlagMask) const
 
template<typename OtherClassType >
bool IsA (OtherClassType SomeBase) const
 
template<class T >
bool IsA () const
 
COREUOBJECT_API const UClassFindNearestCommonBaseClass (const UClass *TestClass) const
 
COREUOBJECT_API voidGetInterfaceAddress (UClass *InterfaceClass)
 
COREUOBJECT_API voidGetNativeInterfaceAddress (UClass *InterfaceClass)
 
const voidGetNativeInterfaceAddress (UClass *InterfaceClass) const
 
COREUOBJECT_API bool IsTemplateForSubobjects (EObjectFlags TemplateTypes=RF_ClassDefaultObject|RF_DefaultSubObject|RF_InheritableComponentTemplate) const
 
COREUOBJECT_API bool IsDefaultSubobject () const
 
COREUOBJECT_API class FLinkerLoadGetLinker () const
 
COREUOBJECT_API int32 GetLinkerIndex () const
 
COREUOBJECT_API FPackageFileVersion GetLinkerUEVersion () const
 
int32 GetLinkerUE4Version () const
 
COREUOBJECT_API int32 GetLinkerLicenseeUEVersion () const
 
int32 GetLinkerLicenseeUE4Version () const
 
COREUOBJECT_API int32 GetLinkerCustomVersion (FGuid CustomVersionKey) const
 
UE_FORCEINLINE_HINT bool operator< (const UObjectBaseUtility &Other) const
 
TStatId GetStatID (bool bForDeferredUse=false) const
 
- Public Member Functions inherited from UObjectBase
COREUOBJECT_API UObjectBase (UClass *InClass, EObjectFlags InFlags, EInternalObjectFlags InInternalFlags, UObject *InOuter, FName InName, int32 InInternalIndex=-1, int32 InSerialNumber=0, FRemoteObjectId InRemoteId=FRemoteObjectId())
 
virtual COREUOBJECT_API ~UObjectBase ()
 
COREUOBJECT_API bool IsValidLowLevel () const
 
COREUOBJECT_API bool IsValidLowLevelFast (bool bRecursive=true) const
 
FORCEINLINE uint32 GetUniqueID () const
 
FORCEINLINE UClassGetClass () const
 
FORCEINLINE UObjectGetOuter () const
 
FORCEINLINE FName GetFName () const
 
virtual COREUOBJECT_API FName GetFNameForStatID () const
 
COREUOBJECT_API UPackageGetExternalPackage () const
 
COREUOBJECT_API void SetExternalPackage (UPackage *InPackage)
 
COREUOBJECT_API UPackageGetExternalPackageInternal () const
 
COREUOBJECT_API void MarkAsReachable () const
 
COREUOBJECT_API void AddRef () const
 
COREUOBJECT_API void ReleaseRef () const
 
FORCEINLINE EObjectFlags GetFlags () const
 
FORCENOINLINE void AtomicallySetFlags (EObjectFlags FlagsToAdd)
 
FORCENOINLINE void AtomicallyClearFlags (EObjectFlags FlagsToClear)
 

Public Attributes

virtual void virtual void virtual bool return true
 

Protected Member Functions

const UDataStream::FInitParametersGetInitParameters () const
 
- Protected Member Functions inherited from UObject
virtual FString GetDetailedInfoInternal () const
 
COREUOBJECT_API bool CanCheckDefaultSubObjects (bool bForceCheck, bool &bResult) const
 
virtual COREUOBJECT_API bool CheckDefaultSubobjectsInternal () const
 
- Protected Member Functions inherited from UObjectBase
 UObjectBase ()
 
COREUOBJECT_API UObjectBase (EObjectFlags InFlags)
 
COREUOBJECT_API void LowLevelRename (FName NewName, UObject *NewOuter=NULL)
 
virtual void RegisterDependencies ()
 
COREUOBJECT_API void Register (class UClass *(*StaticClassFn)(), const TCHAR *PackageName, const TCHAR *Name)
 
COREUOBJECT_API void Register (const TCHAR *PackageName, const TCHAR *Name)
 
virtual COREUOBJECT_API void DeferredRegister (UClass *UClassStaticClass, const TCHAR *PackageName, const TCHAR *Name)
 
FORCEINLINE void SetFlagsTo (EObjectFlags NewFlags)
 

Additional Inherited Members

- Static Public Member Functions inherited from UObject
static COREUOBJECT_API void UpdateClassesExcludedFromDedicatedServer (const TArray< FString > &InClassNames, const TArray< FString > &InModulesNames)
 
static COREUOBJECT_API void UpdateClassesExcludedFromDedicatedClient (const TArray< FString > &InClassNames, const TArray< FString > &InModulesNames)
 
static COREUOBJECT_API bool CanCreateInCurrentContext (UObject *Template)
 
static COREUOBJECT_API void AddReferencedObjects (UObject *InThis, FReferenceCollector &Collector)
 
static COREUOBJECT_API const FNameSourceFileTagName ()
 
static COREUOBJECT_API UObjectGetArchetypeFromRequiredInfo (const UClass *Class, const UObject *Outer, FName Name, EObjectFlags ObjectFlags)
 
- Static Public Member Functions inherited from UObjectBaseUtility
static bool IsGarbageEliminationEnabled ()
 
static bool IsPendingKillEnabled ()
 
static void SetGarbageEliminationEnabled (bool bEnabled)
 
static COREUOBJECT_API void ReloadObjectsFromModifiedConfigSections (const class FConfigModificationTracker *ChangeTracker)
 
- Static Public Member Functions inherited from UObjectBase
static COREUOBJECT_API FString RemoveClassPrefix (const TCHAR *ClassName)
 
static void PrefetchClass (UObject *Object)
 
static void PrefetchOuter (UObject *Object)
 

Detailed Description

DataStream is an interface that facilitates implementing the replication of custom data, such as bulky data or data with special delivery guarantees.

Member Enumeration Documentation

◆ EDataStreamState

Enumerator
Invalid 
PendingCreate 
WaitOnCreateConfirmation 
Open 
PendingClose 
WaitOnCloseConfirmation 
Count 

◆ EUpdateType

Enumerator
PreSendUpdate 
PostTickFlush 

◆ EWriteResult

Enumerator
NoData 
Ok 
HasMoreData 

Constructor & Destructor Documentation

◆ ~UDataStream()

UDataStream::~UDataStream ( )
virtual

Member Function Documentation

◆ BeginWrite()

UDataStream::EWriteResult UDataStream::BeginWrite ( const FBeginWriteParameters Params)
virtual

Called before any calls to potential WriteData, if it returns EWriteData::NoData no other calls will be made. The purpose of the method is to enable a DataStream to setup data that can persist over multiple calls to WriteData if bandwidth allows.

Reimplemented in UDataStreamManager, and UChunkedDataStream.

◆ Deinit()

void UDataStream::Deinit ( )
virtual

Called when a created stream is destroyed.

Reimplemented in UDataStreamManager, and UChunkedDataStream.

◆ EndWrite()

void UDataStream::EndWrite ( )
virtual

Called after the final call to WriteData this frame, allowing the DataStream to cleanup data setup during BeginWrite.

Reimplemented in UDataStreamManager.

◆ GetDataStreamName()

FName UDataStream::GetDataStreamName ( ) const
inline

Get name of DataStream

◆ GetInitParameters()

const UDataStream::FInitParameters & UDataStream::GetInitParameters ( ) const
inlineprotected

Access init parameters.

◆ GetState()

const UDataStream::EDataStreamState UDataStream::GetState ( ) const

Get the current state of the DataStream.

◆ HasAcknowledgedAllReliableData()

virtual void virtual void virtual bool UDataStream::HasAcknowledgedAllReliableData ( ) const
virtual
Returns
true if the stream has no pending reliable data for which it is waiting on an acknowledgement.

Reimplemented in UDataStreamManager, and UChunkedDataStream.

◆ Init()

void UDataStream::Init ( const FInitParameters Params)
virtual

Called before any other calls are made.

Reimplemented in UDataStreamManager, and UChunkedDataStream.

◆ ProcessPacketDeliveryStatus()

virtual void virtual void UDataStream::ProcessPacketDeliveryStatus ( UE::Net::EPacketDeliveryStatus  Status,
FDataStreamRecord const *  Record 
)
virtual

For each packet into which we have written data we are guaranteed to get a call to ProcessPacketDeliveryStatus when it's known whether the packet was delivered or not.

Parameters
StatusWhether the packet was delivered or not or if the record should simply be discarded due to closing a connection.
RecordThe record which was set by this stream during a WriteData call.

Reimplemented in UDataStreamManager, and UChunkedDataStream.

◆ ReadData()

virtual void UDataStream::ReadData ( UE::Net::FNetSerializationContext Context)
virtual

Deserialize data that was written with WriteData.

Parameters
ContextThe FNetSerializationContext which has accessors for the bitstream to read from among other things.

Reimplemented in UDataStreamManager, and UChunkedDataStream.

◆ RequestClose()

void UDataStream::RequestClose ( )

Initiate close of DataStream. Note: This only applies to DataStreams that are flagged with bDynamicCreate in the DataStreamDefinition

Parameters
NameThe name of the DataStream. Names of valid DataStream are configured in UDataStreamDefinitions.
See also
UDataStreamDefinitions

◆ Update()

void UDataStream::Update ( const FUpdateParameters Params)
virtual

Called to drive required updates during the ReplicationSystem update calls.

Reimplemented in UDataStreamManager.

◆ WriteData()

virtual EWriteResult UDataStream::WriteData ( UE::Net::FNetSerializationContext Context,
FDataStreamRecord const *&  OutRecord 
)
virtual

Serialize data to a bitstream and optionally store record of what was serialized to a custom FDataStreamRecord. The FDataStreamRecord allow streams to implement custom delivery guarantees as they see fit by using the stored information when ProcessPacketDeliveryStatus is called. For each WriteData call returning something other than NoData a corresponding call to ProcessPacketDeliveryStatus will be made. The UDataStream owns the FDataStreamRecord, but there will always be a call to ProcessPacketDeliveryStatus passing the original OutRecord so that it can be deleted when all packets have been ACKed/NAKed or when the owning connection is closed.

Parameters
ContextThe FNetSerializationContext which has accesssors for the bitstream to write to among other things.
OutRecordSet the data stream specific record to OutRecord so that it can be passed in a future ProcessPacketDeliveryStatus call. ProcessPacketDeliveryStatus will be called with the record in the same order as WriteData was called.
Returns
Whether there was data written or not and if the stream has more data to write if bandwidth settings allow it.

Reimplemented in UDataStreamManager, and UChunkedDataStream.

Member Data Documentation

◆ true

virtual void virtual void virtual bool return UDataStream::true

The documentation for this class was generated from the following files: