Clothing system refactor

Source/NakedDesire/Items/ItemInstance.cpp

@@ -1,9 +1,13 @@
 #include "ItemInstance.h"
 
+#include "ItemDefinition.h"
+#include "StructUtils/InstancedStruct.h"
+#include "NakedDesire/SaveGame/ItemSaveRecord.h"
+
 void UItemInstance::PostInitProperties()
 {
 	Super::PostInitProperties();
-	
+
 	if (HasAnyFlags(RF_ClassDefaultObject | RF_ArchetypeObject | RF_NeedLoad))
 		return;
 	if (!InstanceId.IsValid())
@@ -20,3 +24,37 @@ void UItemInstance::SetInstanceId(FGuid InId)
 {
 	InstanceId = InId;
 }
+
+FItemSaveRecord UItemInstance::ToSaveRecord() const
+{
+	FItemSaveRecord Record;
+	Record.InstanceId = InstanceId;
+	Record.Definition = ItemDefinition;
+	CaptureState(Record.State);
+	return Record;
+}
+
+UItemInstance* UItemInstance::CreateFromRecord(UObject* Outer, const FItemSaveRecord& Record)
+{
+	UItemDefinition* Definition = Record.Definition.LoadSynchronous();
+	if (!Definition)
+	{
+		UE_LOG(LogTemp, Warning, TEXT("UItemInstance::CreateFromRecord: failed to load definition for instance %s"),
+			*Record.InstanceId.ToString());
+		return nullptr;
+	}
+
+	const TSubclassOf<UItemInstance> InstanceClass = Definition->GetInstanceClass();
+	if (!InstanceClass)
+	{
+		UE_LOG(LogTemp, Warning, TEXT("UItemInstance::CreateFromRecord: %s returned no instance class"),
+			*Definition->GetName());
+		return nullptr;
+	}
+
+	UItemInstance* Instance = NewObject<UItemInstance>(Outer, InstanceClass);
+	Instance->ItemDefinition = Definition;
+	Instance->InstanceId = Record.InstanceId.IsValid() ? Record.InstanceId : FGuid::NewGuid();
+	Instance->ApplyState(Record.State);
+	return Instance;
+}