Method SaveInstance

Source/Flow/Private/FlowAsset.cpp:1326–1369

}

FFlowAssetSaveData UFlowAsset::SaveInstance(TArray<FFlowAssetSaveData>& SavedFlowInstances)
{
	FFlowAssetSaveData AssetRecord;
	AssetRecord.WorldName = IsBoundToWorld() ? GetWorld()->GetName() : FString();
	AssetRecord.InstanceName = GetName();

	// opportunity to collect data before serializing asset
	OnSave();

	// iterate nodes
	TArray<UFlowNode*> NodesInExecutionOrder;
	GetNodesInExecutionOrder<UFlowNode>(GetDefaultEntryNode(), NodesInExecutionOrder);
	for (UFlowNode* Node : NodesInExecutionOrder)
	{
		if (Node && Node->ShouldSave())
		{
			// iterate SubGraphs
			if (UFlowNode_SubGraph* SubGraphNode = Cast<UFlowNode_SubGraph>(Node))
			{
				const TWeakObjectPtr<UFlowAsset> SubFlowInstance = GetFlowInstance(SubGraphNode);
				if (SubFlowInstance.IsValid())
				{
					const FFlowAssetSaveData SubAssetRecord = SubFlowInstance->SaveInstance(SavedFlowInstances);
					SubGraphNode->SavedAssetInstanceName = SubAssetRecord.InstanceName;
				}
			}

			FFlowNodeSaveData NodeRecord;
			Node->SaveInstance(NodeRecord);

			AssetRecord.NodeRecords.Emplace(NodeRecord);
		}
	}

	// serialize asset
	FMemoryWriter MemoryWriter(AssetRecord.AssetData, true);
	FFlowArchive Ar(MemoryWriter);
	Serialize(Ar);

	// write archive to SaveGame
	SavedFlowInstances.Emplace(AssetRecord);

	return AssetRecord;
}

void UFlowAsset::LoadInstance(const FFlowAssetSaveData& AssetRecord)
{