BlueprintNodeHelpers.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/Class.h"
 
class AActor;
class UActorComponent;
class UBehaviorTreeComponent;
class UBlackboardData;
class UBTNode;
 
namespace BlueprintNodeHelpers
{
    AIMODULE_API FString CollectPropertyDescription(const UObject* Ob, const UClass* StopAtClass, const TArray<FProperty*>& InPropertiesToSkip);
    AIMODULE_API FString CollectPropertyDescription(const UObject* Ob, const UClass* StopAtClass, TFunctionRef<bool(FProperty* /*TestProperty*/)> ShouldSkipProperty);
    AIMODULE_API void CollectPropertyData(const UObject* Ob, const UClass* StopAtClass, TArray<FProperty*>& PropertyData);
    AIMODULE_API uint16 GetPropertiesMemorySize(const TArray<FProperty*>& PropertyData);
 
    AIMODULE_API void CollectBlackboardSelectors(const UObject* Ob, const UClass* StopAtClass, TArray<FName>& KeyNames);
    AIMODULE_API void ResolveBlackboardSelectors(UObject& Ob, const UClass& StopAtClass, const UBlackboardData& BlackboardAsset);
    AIMODULE_API bool HasAnyBlackboardSelectors(const UObject* Ob, const UClass* StopAtClass);
 
    AIMODULE_API FString DescribeProperty(const FProperty* Prop, const uint8* PropertyAddr);
    AIMODULE_API void DescribeRuntimeValues(const UObject* Ob, const TArray<FProperty*>& PropertyData, TArray<FString>& RuntimeValues);
 
    AIMODULE_API void CopyPropertiesToContext(const TArray<FProperty*>& PropertyData, uint8* ObjectMemory, uint8* ContextMemory);
    AIMODULE_API void CopyPropertiesFromContext(const TArray<FProperty*>& PropertyData, uint8* ObjectMemory, uint8* ContextMemory);
 
    AIMODULE_API bool FindNodeOwner(AActor* OwningActor, UBTNode* Node, UBehaviorTreeComponent*& OwningComp, int32& OwningInstanceIdx);
 
    AIMODULE_API void AbortLatentActions(UActorComponent& OwnerOb, const UObject& Ob);
 
    inline bool HasBlueprintFunction(FName FuncName, const UObject& Object, const UClass& StopAtClass)
    {
        const UFunction* Function = Object.GetClass()->FindFunctionByName(FuncName);
        ensure(Function);
        return (Function != nullptr) && (Function->GetOuter() != &StopAtClass);
    }
 
    inline FString GetNodeName(const UObject& NodeObject)
    {
        return NodeObject.GetClass()->GetName().LeftChop(2);
    }
}