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1b905ebe01
//Fortnite/Main/... to //Fortnite/Dev-FN-32/... Data driven condition bindings Authoring and compilation of the new type is hidden behind a project setting. Fix crash when changing hooked event and trying to edit conversion function parameters. Fix issue with events valid source check node being purged from the graph upon regenerating connections in the wrapper graph. Fixes FORT-768257 #tests Tested in editor and in game. Tried with widget property bindings, tried with vm bindings. Verified with multiple bindings to ensure we only execute when it's the condition property that is modified. Ran with cooked version. Tested in standalone and pie. #rnx #rb Vincent.Gauthier [CL 36754418 by alain lafleur in 5.5 branch]
137 lines
6.8 KiB
C++
137 lines
6.8 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Containers/Map.h"
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#include "Templates/Function.h"
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#include "Templates/SubclassOf.h"
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#include "Templates/ValueOrError.h"
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struct FMVVMBlueprintFunctionReference;
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struct FMVVMBlueprintPropertyPath;
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struct FMVVMBlueprintViewBinding;
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class UBlueprint;
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class UClass;
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class UEdGraph;
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class UEdGraphNode;
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class UEdGraphPin;
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class UK2Node;
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class UK2Node_CallFunction;
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class FKismetCompilerContext;
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class UMVVMBlueprintView;
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namespace UE::MVVM { struct FMVVMConstFieldVariant; }
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namespace UE::MVVM::ConversionFunctionHelper
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{
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/** Conversion function requires a wrapper. */
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MODELVIEWVIEWMODELBLUEPRINT_API bool RequiresWrapper(const UFunction* Function);
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/** The pin is valid to use with a PropertyPath. */
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MODELVIEWVIEWMODELBLUEPRINT_API bool IsInputPin(const UEdGraphPin* Pin);
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/** Find the property path of a given argument in the conversion function. */
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MODELVIEWVIEWMODELBLUEPRINT_API FMVVMBlueprintPropertyPath GetPropertyPathForPin(const UBlueprint* WidgetBlueprint, const UEdGraphPin* Pin, bool bSkipResolve);
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/** Set the property path of a given argument in the conversion function. */
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MODELVIEWVIEWMODELBLUEPRINT_API void SetPropertyPathForPin(const UBlueprint* Blueprint, const FMVVMBlueprintPropertyPath& PropertyPath, UEdGraphPin* Pin);
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/** Find the property path of a given argument in the conversion function. */
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MODELVIEWVIEWMODELBLUEPRINT_API FMVVMBlueprintPropertyPath GetPropertyPathForArgument(const UBlueprint* WidgetBlueprint, const UK2Node_CallFunction* Function, FName ArgumentName, bool bSkipResolve);
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/** Create the name of the conversion function wrapper this binding should have. */
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MODELVIEWVIEWMODELBLUEPRINT_API FName CreateWrapperName(const FMVVMBlueprintViewBinding& Binding, bool bSourceToDestination);
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/**
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* If we can create a graph to set a property/function.
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*/
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MODELVIEWVIEWMODELBLUEPRINT_API TValueOrError<void, FText> CanCreateSetterGraph(UBlueprint* WidgetBlueprint, const FMVVMBlueprintPropertyPath& PropertyPath);
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struct MODELVIEWVIEWMODELBLUEPRINT_API FCreateGraphResult
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{
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/** The new graph created. */
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UEdGraph* NewGraph = nullptr;
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/** Node that owns the pins. */
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UK2Node* WrappedNode = nullptr;
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/** Nodes of relevance beyond the wrapped node, keyed by name. */
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TMap<FName, UK2Node*> NamedNodes;
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/** True if this graph belongs in an ubergraph page */
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bool bIsUbergraphPage = false;
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};
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struct MODELVIEWVIEWMODELBLUEPRINT_API FCreateGraphParams
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{
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bool bIsConst = false;
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bool bTransient = false;
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bool bIsForEvent = false;
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/** If true implies this graph will create events*/
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bool bCreateUbergraphPage = false;
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};
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/**
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* Create a graph to set a property/function. Used by Event Bindings
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*/
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MODELVIEWVIEWMODELBLUEPRINT_API TValueOrError<FCreateGraphResult, FText> CreateSetterGraph(UBlueprint* WidgetBlueprint, FName GraphName, const UFunction* Signature, const FMVVMBlueprintPropertyPath& PropertyPath, FCreateGraphParams InParams);
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/**
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* Create a graph to set a property/function. Used by conversion functions for async K2 Nodes.
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*/
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MODELVIEWVIEWMODELBLUEPRINT_API TValueOrError<FCreateGraphResult, FText> CreateSetterGraph(UBlueprint* WidgetBlueprint, FName GraphName, const TSubclassOf<UK2Node> Node, const FMVVMBlueprintPropertyPath& PropertyPath, FCreateGraphParams InParams);
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/** Create a graph, used by conversion functions for UFunctions */
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MODELVIEWVIEWMODELBLUEPRINT_API FCreateGraphResult CreateGraph(UBlueprint* WidgetBlueprint, FName GraphName, const UFunction* Signature, const UFunction* FunctionToWrap, FCreateGraphParams FCreateGraInParamsphParams);
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/** Create a graph, used by conversion functions for K2 Nodes */
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MODELVIEWVIEWMODELBLUEPRINT_API FCreateGraphResult CreateGraph(UBlueprint* WidgetBlueprint, FName GraphName, const UFunction* Signature, const TSubclassOf<UK2Node> Node, FCreateGraphParams InParams, TFunctionRef<void(UK2Node*)> InitNodeCallback);
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UE_DEPRECATED(5.5, "Call the version of CreateSetterGraph that takes a FCreateGraphParams instead.")
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MODELVIEWVIEWMODELBLUEPRINT_API TValueOrError<FCreateGraphResult, FText> CreateSetterGraph(UBlueprint* WidgetBlueprint, FName GraphName, const UFunction* Signature, const FMVVMBlueprintPropertyPath& PropertyPath, bool bIsConst, bool bTransient, const bool bIsForEvent);
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UE_DEPRECATED(5.5, "Call the version of CreateGraph that takes a FCreateGraphParams instead.")
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MODELVIEWVIEWMODELBLUEPRINT_API FCreateGraphResult CreateGraph(UBlueprint* WidgetBlueprint, FName GraphName, const UFunction* Signature, const UFunction* FunctionToWrap, bool bIsConst, bool bTransient);
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UE_DEPRECATED(5.5, "Call the version of CreateGraph that takes a FCreateGraphParams instead.")
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MODELVIEWVIEWMODELBLUEPRINT_API FCreateGraphResult CreateGraph(UBlueprint* WidgetBlueprint, FName GraphName, const UFunction* Signature, const TSubclassOf<UK2Node> Node, bool bIsConst, bool bTransient, TFunctionRef<void(UK2Node*)> InitNodeCallback);
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/** Insert a branch node to the existing graph to test before executing the rest of the . */
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MODELVIEWVIEWMODELBLUEPRINT_API UK2Node* InsertEarlyExitBranchNode(UEdGraph* Graph, TSubclassOf<UK2Node> BranchNode);
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/** Find the main conversion function node from the given graph. */
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MODELVIEWVIEWMODELBLUEPRINT_API UK2Node* GetWrapperNode(const UEdGraph* Graph);
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/** Find the conversion function node from the given graph. */
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MODELVIEWVIEWMODELBLUEPRINT_API UEdGraphPin* FindPin(const UEdGraph* Graph, const TArrayView<const FName> PinNames);
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/** Find the conversion function node from the given graph. */
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MODELVIEWVIEWMODELBLUEPRINT_API UEdGraphPin* FindPin(const UEdGraphNode* Node, const TArrayView<const FName> PinNames);
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/** Find the conversion function node from the given graph. */
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MODELVIEWVIEWMODELBLUEPRINT_API TArray<FName> FindPinId(const UEdGraphPin* GraphPin);
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/** Return the pin used for arguments. */
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MODELVIEWVIEWMODELBLUEPRINT_API TArray<UEdGraphPin*> FindInputPins(const UK2Node* Node);
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/** Return the pin used as the return value. */
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MODELVIEWVIEWMODELBLUEPRINT_API UEdGraphPin* FindOutputPin(const UK2Node* Node);
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/** Add metadata to the Graph/Function. */
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MODELVIEWVIEWMODELBLUEPRINT_API void SetMetaData(UEdGraph* NewGraph, FName MetaData, FStringView Value);
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/** Mark the node a auto promote. We try to hide those node in the editor. */
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MODELVIEWVIEWMODELBLUEPRINT_API void MarkNodeAsAutoPromote(UEdGraphNode* Node);
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/** Is the node an auto promote node. */
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MODELVIEWVIEWMODELBLUEPRINT_API bool IsAutoPromoteNode(const UEdGraphNode* Node);
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/** Is the node an async node. */
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MODELVIEWVIEWMODELBLUEPRINT_API bool IsAsyncNode(const TSubclassOf<UK2Node> Node);
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MODELVIEWVIEWMODELBLUEPRINT_API bool IsNodeMarkedToKeepConnections(const UK2Node* Node);
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MODELVIEWVIEWMODELBLUEPRINT_API void MarkNodeToKeepConnections(const UK2Node* Node);
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} //namespace
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#if UE_ENABLE_INCLUDE_ORDER_DEPRECATED_IN_5_2
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#include "CoreMinimal.h"
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#include "MVVMPropertyPath.h"
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#endif
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