Added save subsystem

Source/NakedDesire/SaveGame/SaveSubsystem.cpp

@@ -0,0 +1,37 @@
+#include "SaveSubsystem.h"
+#include "GlobalSaveGameData.h"
+#include "ItemSaveRecord.h"
+
+void USaveSubsystem::LoadGame(const FString& SlotName)
+{
+	UGlobalSaveGameData* Save = UGlobalSaveGameData::LoadGame(SlotName);
+}
+
+bool USaveSubsystem::SaveGame(const FString& SlotName)
+{
+	return UGlobalSaveGameData::SaveGame(SlotName);
+}
+
+void USaveSubsystem::AddItem(const FItemSaveRecord& Record)
+{
+	Items.Add(Record);
+}
+
+void USaveSubsystem::RemoveItem(const FGuid& InstanceId)
+{
+	FItemSaveRecord* ItemSaveRecord = Items.FindByPredicate([InstanceId](FItemSaveRecord ItemSaveRecord)
+	{
+		return ItemSaveRecord.InstanceId == InstanceId;
+	});
+	if (ItemSaveRecord)
+	{
+		Items.Remove(*ItemSaveRecord);
+	}
+}
+
+void USaveSubsystem::Initialize(FSubsystemCollectionBase& Collection)
+{
+	Super::Initialize(Collection);
+	
+	LoadGame();
+}