小弟打算用tmap做倉庫 
 
UPROPERTY(EditDefaultsOnly, Category = Inventory) 
TMap< FString,int32 >InventoryDatat; 
 
FString,來記物品的ID,int32則是數量,就接下碰撞之後執行增加的運算 
但 InventoryDatat.Add( 物品的ID ,數量) 但這個實在想不出來該如何寫 
要如何把Actor的數值傳過來用 
 
 
 
 
 
這是我的物品的設定 
 
class  AItemsBase : public AActor 
{ 
    GENERATED_BODY() 
     
protected: 
AItemsBase(); 
 
 
UPROPERTY(EditAnywhere) 
    UStaticMeshComponent* Mesh; 
 
UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = CreatureData) 
    FString Items_ID; 
 
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = CreatureData) 
        int Quantity; 
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