7f7e043a88
Server-authoritative, data-driven item/inventory/interaction/carry/equipment/ world-slot/placement/crafting framework. 8 modules, compiles against UE 5.7. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
80 lines
2.2 KiB
C++
80 lines
2.2 KiB
C++
// Copyright ExByte Studios. Item Interaction Ecosystem.
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#include "ItemSaveLibrary.h"
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#include "ItemInventoryLog.h"
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#include "InventoryComponent.h"
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#include "ItemDatabaseSubsystem.h"
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#include "Kismet/GameplayStatics.h"
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FInventorySaveData UItemSaveLibrary::CaptureInventory(UInventoryComponent* Inventory)
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{
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FInventorySaveData Data;
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if (!Inventory)
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{
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return Data;
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}
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Inventory->GetAllItems(Data.Items);
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for (FItemInstanceData& Item : Data.Items)
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{
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Item.Lock.Clear(); // never persist transient locks (section 26)
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}
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Inventory->GetContainers(Data.Containers);
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return Data;
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}
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void UItemSaveLibrary::RestoreInventory(const UObject* WorldContext, UInventoryComponent* Inventory, const FInventorySaveData& Data)
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{
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if (!Inventory || !Inventory->GetOwner() || !Inventory->GetOwner()->HasAuthority())
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{
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return;
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}
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Inventory->SetContainers(Data.Containers);
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Inventory->ClearAllItems();
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const UItemDatabaseSubsystem* DB = UItemDatabaseSubsystem::Get(WorldContext);
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for (const FItemInstanceData& Saved : Data.Items)
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{
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FItemInstanceData Item = Saved;
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if (DB) { DB->MigrateLoadedItem(Item); }
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Inventory->SetItemInSlot(Item, Item.CurrentContainerId, Item.SlotIndex);
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}
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UE_LOG(LogItemInventory, Log, TEXT("[Save] restored %d items into %s"), Data.Items.Num(), *GetNameSafe(Inventory->GetOwner()));
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}
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bool UItemSaveLibrary::SaveInventoryToSlot(UInventoryComponent* Inventory, const FString& SlotName, FName Key)
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{
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if (!Inventory)
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{
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return false;
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}
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UItemSaveGame* Save = Cast<UItemSaveGame>(UGameplayStatics::LoadGameFromSlot(SlotName, 0));
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if (!Save)
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{
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Save = Cast<UItemSaveGame>(UGameplayStatics::CreateSaveGameObject(UItemSaveGame::StaticClass()));
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}
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if (!Save)
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{
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return false;
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}
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Save->Inventories.Add(Key, CaptureInventory(Inventory));
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return UGameplayStatics::SaveGameToSlot(Save, SlotName, 0);
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}
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bool UItemSaveLibrary::LoadInventoryFromSlot(const UObject* WorldContext, UInventoryComponent* Inventory, const FString& SlotName, FName Key)
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{
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UItemSaveGame* Save = Cast<UItemSaveGame>(UGameplayStatics::LoadGameFromSlot(SlotName, 0));
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if (!Save)
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{
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return false;
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}
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const FInventorySaveData* Data = Save->Inventories.Find(Key);
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if (!Data)
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{
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return false;
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}
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RestoreInventory(WorldContext, Inventory, *Data);
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return true;
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}
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