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>
99 lines
2.8 KiB
C++
99 lines
2.8 KiB
C++
// Copyright ExByte Studios. Item Interaction Ecosystem.
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#include "ItemCraftingLibrary.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 "ItemContentRows.h"
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bool UItemCraftingLibrary::CanCraft(const UObject* WorldContext, UInventoryComponent* Inventory, FName RecipeId, FGameplayTag AvailableStation)
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{
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const UItemDatabaseSubsystem* DB = UItemDatabaseSubsystem::Get(WorldContext);
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if (!DB || !Inventory)
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{
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return false;
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}
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FCraftingRecipeRow Recipe;
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if (!DB->FindRecipe(RecipeId, Recipe))
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{
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return false;
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}
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if (Recipe.StationTag.IsValid() && !AvailableStation.MatchesTag(Recipe.StationTag))
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{
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return false;
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}
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for (const FCraftingIngredient& In : Recipe.Inputs)
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{
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if (Inventory->GetItemCount(In.ItemId) < In.Quantity)
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{
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return false;
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}
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}
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return true;
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}
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bool UItemCraftingLibrary::Craft(const UObject* WorldContext, UInventoryComponent* Inventory, FName RecipeId, FGameplayTag AvailableStation)
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{
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if (!Inventory || !Inventory->GetOwner() || !Inventory->GetOwner()->HasAuthority())
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{
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return false;
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}
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if (!CanCraft(WorldContext, Inventory, RecipeId, AvailableStation))
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{
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return false;
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}
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const UItemDatabaseSubsystem* DB = UItemDatabaseSubsystem::Get(WorldContext);
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FCraftingRecipeRow Recipe;
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DB->FindRecipe(RecipeId, Recipe);
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// Consume inputs (already verified present).
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for (const FCraftingIngredient& In : Recipe.Inputs)
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{
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if (!ConsumeItem(Inventory, In.ItemId, In.Quantity))
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{
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UE_LOG(LogItemInventory, Error, TEXT("Craft '%s' failed mid-consume for %s."), *RecipeId.ToString(), *In.ItemId.ToString());
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return false;
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}
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}
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FItemInstanceData Output = DB->MakeItemInstance(Recipe.OutputItemId, FMath::Max(1, Recipe.OutputQuantity));
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Inventory->AddItem(Output);
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UE_LOG(LogItemInventory, Log, TEXT("[Crafting] crafted %s"), *Recipe.OutputItemId.ToString());
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return true;
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}
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void UItemCraftingLibrary::RollLootIntoInventory(const UObject* WorldContext, UInventoryComponent* Inventory, FName TableId, int32 RollCount)
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{
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const UItemDatabaseSubsystem* DB = UItemDatabaseSubsystem::Get(WorldContext);
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if (!DB || !Inventory || !Inventory->GetOwner() || !Inventory->GetOwner()->HasAuthority())
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{
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return;
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}
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TArray<FItemInstanceData> Loot;
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DB->RollLoot(TableId, RollCount, Loot);
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for (FItemInstanceData& Item : Loot)
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{
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Inventory->AddItem(Item);
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}
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}
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bool UItemCraftingLibrary::ConsumeItem(UInventoryComponent* Inventory, FName ItemId, int32 Count)
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{
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int32 Remaining = Count;
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TArray<FItemInstanceData> Items;
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Inventory->GetAllItems(Items);
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for (const FItemInstanceData& Item : Items)
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{
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if (Remaining <= 0) { break; }
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if (Item.ItemId != ItemId || Item.Lock.bLocked) { continue; }
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const int32 Take = FMath::Min(Remaining, Item.Quantity);
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if (Inventory->RemoveQuantity(Item.InstanceId, Take))
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{
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Remaining -= Take;
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}
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}
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return Remaining <= 0;
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}
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