C++ (Cpp) UBTNode::OnInstanceCreated示例

void UBTNode::InitializeInSubtree(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory, int32& NextInstancedIndex, EBTMemoryInit::Type InitType) const
{
    if (bCreateNodeInstance)
    {
        // composite nodes can't be instanced!
        check(IsA(UBTCompositeNode::StaticClass()) == false);

        UBTNode* NodeInstance = OwnerComp.NodeInstances.IsValidIndex(NextInstancedIndex) ? OwnerComp.NodeInstances[NextInstancedIndex] : NULL;
        if (NodeInstance == NULL)
        {
            NodeInstance = NewObject<UBTNode>(&OwnerComp, GetClass(), GetFName(), RF_NoFlags, (UObject*)(this));
            NodeInstance->InitializeNode(GetParentNode(), GetExecutionIndex(), GetMemoryOffset(), GetTreeDepth());
            NodeInstance->bIsInstanced = true;

            OwnerComp.NodeInstances.Add(NodeInstance);
        }
        check(NodeInstance);

        NodeInstance->SetOwner(OwnerComp.GetOwner());

        FBTInstancedNodeMemory* MyMemory = GetSpecialNodeMemory<FBTInstancedNodeMemory>(NodeMemory);
        MyMemory->NodeIdx = NextInstancedIndex;

        NodeInstance->OnInstanceCreated(OwnerComp);
        NextInstancedIndex++;
    }
    else
    {
        InitializeMemory(OwnerComp, NodeMemory, InitType);
    }
}

示例#2

显示文件

文件： BTNode.cpp 项目： zhaoyizheng0930/UnrealEngine

void UBTNode::InitializeInSubtree(UBehaviorTreeComponent& OwnerComp, uint8* NodeMemory, int32& NextInstancedIndex, EBTMemoryInit::Type InitType) const
{
	FBTInstancedNodeMemory* SpecialMemory = GetSpecialNodeMemory<FBTInstancedNodeMemory>(NodeMemory);
	if (SpecialMemory)
	{
		SpecialMemory->NodeIdx = INDEX_NONE;
	}

	if (bCreateNodeInstance)
	{
		// composite nodes can't be instanced!
		check(IsA(UBTCompositeNode::StaticClass()) == false);

		UBTNode* NodeInstance = OwnerComp.NodeInstances.IsValidIndex(NextInstancedIndex) ? OwnerComp.NodeInstances[NextInstancedIndex] : NULL;
		if (NodeInstance == NULL)
		{
			NodeInstance = (UBTNode*)StaticDuplicateObject(this, &OwnerComp);
			NodeInstance->InitializeNode(GetParentNode(), GetExecutionIndex(), GetMemoryOffset(), GetTreeDepth());
			NodeInstance->bIsInstanced = true;

			OwnerComp.NodeInstances.Add(NodeInstance);
		}

		check(NodeInstance);
		check(SpecialMemory);

		SpecialMemory->NodeIdx = NextInstancedIndex;

		NodeInstance->SetOwner(OwnerComp.GetOwner());
		NodeInstance->InitializeMemory(OwnerComp, NodeMemory, InitType);
		check(TreeAsset);
		NodeInstance->InitializeFromAsset(*TreeAsset);
		NodeInstance->OnInstanceCreated(OwnerComp);
		NextInstancedIndex++;
	}
	else
	{
		InitializeMemory(OwnerComp, NodeMemory, InitType);
	}
}