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USMGraphK2Node_PropertyIOBase¶

Module: SMSystemEditor

#include <SMGraphK2Node_PropertyIOBase.h>

Inherits from USMGraphK2Node_FunctionNode

Inherited by USMGraphK2Node_PropertyIOReaderNode, USMGraphK2Node_PropertyIOWriterNode

Description¶

class USMGraphK2Node_PropertyIOBase;

Base node for output variables (reading and writing).

Public Functions¶

Name
virtual bool IsCompatibleWithGraph(UEdGraph const * Graph) const override
virtual void PinDefaultValueChanged(UEdGraphPin * Pin) override
virtual void PinConnectionListChanged(UEdGraphPin * Pin) override
virtual void DestroyNode() override
virtual void ReconstructNode() override
virtual bool CanCollapseNode() const override
virtual void PreCompileValidate(FCompilerResultsLog & MessageLog) override
virtual void PreCompile()
void UpdatePropertySelectionPin(UEdGraphPin * InPropertyPin, const bool bIsUserAction)
void SetPropertySelectionPinValue(UEdGraphPin * InPropertyPin, const TSharedPtr< LD::Editor::PropertyUtils::IO::FPropertyData_Base > & InPropertyValue, const TOptional< FName > & InPropertyNameOverride =TOptional< FName >())
TSharedPtr< LD::Editor::PropertyUtils::IO::FNodePropertyData > GetOwningPropertyNodePropertyData() const
USMGraphK2Node_PropertyNode_Base * GetOwningPropertyNode() const
USMGraphNode_Base * GetOwningGraphNode() const
virtual UEdGraphPin * TryGetOwningPropertyNodeRelatedPin() const
virtual bool ShouldBreakResultPinLinksOnTypeChange() const
virtual bool IsConnectedToOwningPropertyNode() const
virtual bool IsPropertySelectionPin(const UEdGraphPin * Pin) const
virtual bool IsPropertyConnectorPin(const UEdGraphPin * Pin) const
virtual bool CanDisplayConnectorPin(const TSharedPtr< LD::Editor::PropertyUtils::IO::FPropertyData_Base > & InPropertyData, const UEdGraphPin * InPin) const
virtual bool CanAcceptConnection(const USMGraphK2Node_PropertyIOBase * OtherPropertyIONode) const
virtual bool CanAcceptConnection(const USMGraphK2Node_PropertyNode_Base * OtherPropertyNode) const
TArray< UEdGraphPin * > GetAllPropertySelectionPins() const
void AddReferencedIONode(const FGuid & InPinGuid, USMGraphK2Node_PropertyNode_Base * InNode)
void RemoveReferencedIONode(const FGuid & InPinGuid)
int32 GetIOReferenceCount(const USMGraphK2Node_PropertyNode_Base * InPropertyNode) const
USMGraphK2Node_PropertyNode_Base * GetReferencedIONode(const FGuid & InPinGuid) const
SMSYSTEMEDITOR_API TArray< USMGraphK2Node_PropertyNode_Base * > GetAllReferencedIONodes() const
void ReapplyConnections()
void CleanInvalidReferencedIONodes()
SMSYSTEMEDITOR_API UEdGraphPin * FindOppositePin(const UEdGraphPin * InPin) const
UEdGraphPin * FindOppositePin(const FName & InPinName) const
virtual int32 GetMaxReferencedIONodes() const
FName GetPropertySelectionPinIdentifierType()
FString GetInputPinPrefix()
FString GetOutputPinPrefix()

Protected Functions¶

Name
virtual void VerifyCorrectPinData(const UEdGraphPin * InPin, FCompilerResultsLog & InMessageLog) const
UK2Node_MakeStruct * MakeAndWirePropertyPathStruct(FSMKismetCompilerContext & CompilerContext, const TSharedPtr< LD::Editor::PropertyUtils::IO::FPropertyData_Base > & PropertyData, UEdGraphPin * OutputToPin)
void SetPropertySelectionPinDefaults(UEdGraphPin * Pin)
void SetPropertyConnectorPinDefaults(UEdGraphPin * Pin)

Protected Attributes¶

Name
bool bProgramaticallySettingPropertyPinValue
bool bCallUpdatePropertySelectionOnValueChange

Public Functions Documentation¶

function IsCompatibleWithGraph¶

virtual bool IsCompatibleWithGraph(
    UEdGraph const * Graph
) const override

Reimplemented by: USMGraphK2Node_PropertyIOReaderNode::IsCompatibleWithGraph

function PinDefaultValueChanged¶

virtual void PinDefaultValueChanged(
    UEdGraphPin * Pin
) override

Reimplemented by: USMGraphK2Node_PropertyIOReaderNode::PinDefaultValueChanged, USMGraphK2Node_PropertyIOWriterNode::PinDefaultValueChanged

function PinConnectionListChanged¶

virtual void PinConnectionListChanged(
    UEdGraphPin * Pin
) override

Reimplemented by: USMGraphK2Node_PropertyIOReaderNode::PinConnectionListChanged, USMGraphK2Node_PropertyIOWriterNode::PinConnectionListChanged

function DestroyNode¶

virtual void DestroyNode() override

function ReconstructNode¶

virtual void ReconstructNode() override

function CanCollapseNode¶

inline virtual bool CanCollapseNode() const override

function PreCompileValidate¶

virtual void PreCompileValidate(
    FCompilerResultsLog & MessageLog
) override

Reimplemented by: USMGraphK2Node_PropertyIOReaderNode::PreCompileValidate, USMGraphK2Node_PropertyIOWriterNode::PreCompileValidate

function PreCompile¶

virtual void PreCompile()

Called from the property node responsible for this IO Node.

function UpdatePropertySelectionPin¶

void UpdatePropertySelectionPin(
    UEdGraphPin * InPropertyPin,
    const bool bIsUserAction
)

Perform processing when a property pin has changed. This will update a corresponding connector pin matching the property pin.

Parameters:

InPropertyPin
The property pin we are updating.
bIsUserAction
Whether the user initiated the action directly or not.

function SetPropertySelectionPinValue¶

void SetPropertySelectionPinValue(
    UEdGraphPin * InPropertyPin,
    const TSharedPtr< LD::Editor::PropertyUtils::IO::FPropertyData_Base > & InPropertyValue,
    const TOptional< FName > & InPropertyNameOverride =TOptional< FName >()
)

Set the pin's value.

Parameters:

InPropertyPin
The graph pin to set.
InPropertyValue
The value to set the graph pin.
InPropertyNameOverride
The property name, if it should be different from the InPropertyValue data.

function GetOwningPropertyNodePropertyData¶

TSharedPtr< LD::Editor::PropertyUtils::IO::FNodePropertyData > GetOwningPropertyNodePropertyData() const

Build node property data of this node owner.

function GetOwningPropertyNode¶

USMGraphK2Node_PropertyNode_Base * GetOwningPropertyNode() const

Return the property node connected to this execution.

function GetOwningGraphNode¶

USMGraphNode_Base * GetOwningGraphNode() const

Find the owning graph node containing this property output node.

function TryGetOwningPropertyNodeRelatedPin¶

inline virtual UEdGraphPin * TryGetOwningPropertyNodeRelatedPin() const

Try to locate the related pin to our property node.

Reimplemented by: USMGraphK2Node_PropertyIOReaderNode::TryGetOwningPropertyNodeRelatedPin, USMGraphK2Node_PropertyIOWriterNode::TryGetOwningPropertyNodeRelatedPin

function ShouldBreakResultPinLinksOnTypeChange¶

inline virtual bool ShouldBreakResultPinLinksOnTypeChange() const

If we should also break the result pin links on a type change.

Reimplemented by: USMGraphK2Node_PropertyIOReaderNode::ShouldBreakResultPinLinksOnTypeChange

function IsConnectedToOwningPropertyNode¶

inline virtual bool IsConnectedToOwningPropertyNode() const

Check for a direct connection to the owning property node.

Reimplemented by: USMGraphK2Node_PropertyIOReaderNode::IsConnectedToOwningPropertyNode, USMGraphK2Node_PropertyIOWriterNode::IsConnectedToOwningPropertyNode

function IsPropertySelectionPin¶

virtual bool IsPropertySelectionPin(
    const UEdGraphPin * Pin
) const

Checks if a pin should allow selecting a property. This needs to return true for our custom pin widget to display.

Reimplemented by: USMGraphK2Node_PropertyIOReaderNode::IsPropertySelectionPin, USMGraphK2Node_PropertyIOWriterNode::IsPropertySelectionPin

function IsPropertyConnectorPin¶

virtual bool IsPropertyConnectorPin(
    const UEdGraphPin * Pin
) const

Checks if a pin is input or output to another pin. This needs to return true for our custom pin widget to display.

Reimplemented by: USMGraphK2Node_PropertyIOReaderNode::IsPropertyConnectorPin, USMGraphK2Node_PropertyIOWriterNode::IsPropertyConnectorPin

function CanDisplayConnectorPin¶

inline virtual bool CanDisplayConnectorPin(
    const TSharedPtr< LD::Editor::PropertyUtils::IO::FPropertyData_Base > & InPropertyData,
    const UEdGraphPin * InPin
) const

If the connector pin should be displayed on the same line as the property selector.

Reimplemented by: USMGraphK2Node_PropertyIOReaderNode::CanDisplayConnectorPin, USMGraphK2Node_PropertyIOWriterNode::CanDisplayConnectorPin

function CanAcceptConnection¶

virtual bool CanAcceptConnection(
    const USMGraphK2Node_PropertyIOBase * OtherPropertyIONode
) const

If we're allowed to create a connection to another node.

Reimplemented by: USMGraphK2Node_PropertyIOReaderNode::CanAcceptConnection, USMGraphK2Node_PropertyIOWriterNode::CanAcceptConnection

function CanAcceptConnection¶

virtual bool CanAcceptConnection(
    const USMGraphK2Node_PropertyNode_Base * OtherPropertyNode
) const

If we're allowed to accept a connection given just a property node.

Reimplemented by: USMGraphK2Node_PropertyIOReaderNode::CanAcceptConnection, USMGraphK2Node_PropertyIOWriterNode::CanAcceptConnection

function GetAllPropertySelectionPins¶

TArray< UEdGraphPin * > GetAllPropertySelectionPins() const

Retrieve all pins that are property selections.

function AddReferencedIONode¶

void AddReferencedIONode(
    const FGuid & InPinGuid,
    USMGraphK2Node_PropertyNode_Base * InNode
)

Add a property node we are referencing through IO.

function RemoveReferencedIONode¶

void RemoveReferencedIONode(
    const FGuid & InPinGuid
)

Remove a referenced property from IO.

function GetIOReferenceCount¶

int32 GetIOReferenceCount(
    const USMGraphK2Node_PropertyNode_Base * InPropertyNode
) const

Return how many times another property is referenced.

function GetReferencedIONode¶

USMGraphK2Node_PropertyNode_Base * GetReferencedIONode(
    const FGuid & InPinGuid
) const

Find another property node we are referencing from a pin.

function GetAllReferencedIONodes¶

SMSYSTEMEDITOR_API TArray< USMGraphK2Node_PropertyNode_Base * > GetAllReferencedIONodes() const

Return all referenced IO nodes.

function ReapplyConnections¶

void ReapplyConnections()

Attempt to remake any connections. Can be useful if the node was cloned.

function CleanInvalidReferencedIONodes¶

void CleanInvalidReferencedIONodes()

Remove any IO nodes references that are no longer valid.

function FindOppositePin¶

SMSYSTEMEDITOR_API UEdGraphPin * FindOppositePin(
    const UEdGraphPin * InPin
) const

Look for a pin matching the name of the pin in the opposite direction.

function FindOppositePin¶

UEdGraphPin * FindOppositePin(
    const FName & InPinName
) const

function GetMaxReferencedIONodes¶

inline virtual int32 GetMaxReferencedIONodes() const

Retrieve the maximum allowed referenced IO nodes.

Reimplemented by: USMGraphK2Node_PropertyIOReaderNode::GetMaxReferencedIONodes, USMGraphK2Node_PropertyIOWriterNode::GetMaxReferencedIONodes

Can't pure virtual

function GetPropertySelectionPinIdentifierType¶

static FName GetPropertySelectionPinIdentifierType()

The generic identifier used to determine if this pin is for a property.

function GetInputPinPrefix¶

static inline FString GetInputPinPrefix()

function GetOutputPinPrefix¶

static inline FString GetOutputPinPrefix()

Protected Functions Documentation¶

function VerifyCorrectPinData¶

virtual void VerifyCorrectPinData(
    const UEdGraphPin * InPin,
    FCompilerResultsLog & InMessageLog
) const

Compile validation the pin data is correct and the corresponding property referenced.

Reimplemented by: USMGraphK2Node_PropertyIOWriterNode::VerifyCorrectPinData

function MakeAndWirePropertyPathStruct¶

UK2Node_MakeStruct * MakeAndWirePropertyPathStruct(
    FSMKismetCompilerContext & CompilerContext,
    const TSharedPtr< LD::Editor::PropertyUtils::IO::FPropertyData_Base > & PropertyData,
    UEdGraphPin * OutputToPin
)

Create a struct with property path args consisting of property data, and wire to the output pin.

function SetPropertySelectionPinDefaults¶

void SetPropertySelectionPinDefaults(
    UEdGraphPin * Pin
)

Set the defaults of the selection pin.

function SetPropertyConnectorPinDefaults¶

void SetPropertyConnectorPinDefaults(
    UEdGraphPin * Pin
)

Set the defaults of the connector pin.

Protected Attributes Documentation¶

variable bProgramaticallySettingPropertyPinValue¶

bool bProgramaticallySettingPropertyPinValue = false;

If we are setting the default value of a pin not through user interaction.

variable bCallUpdatePropertySelectionOnValueChange¶

bool bCallUpdatePropertySelectionOnValueChange = true;

If UpdatePropertySelectionPin() should be called on a default value change.

Private Attributes Documentation¶

variable ReferencedIONodes¶

TMap< FGuid, TWeakObjectPtr< USMGraphK2Node_PropertyNode_Base > > ReferencedIONodes;

Other nodes we are referencing. Pin Guid to Reference