public void Add(PlacebleItem item)
{
_items.Add(item);
if (OnItemChangedCallback != null)
{
OnItemChangedCallback.Invoke();
}
}
public bool CollectItem(Item item, int quantity = 1) // to backpack
{
if (item == null)
{
Debug.LogWarning("Error: CollectItem(null).");
return(false);
}
if (quantity < 1)
{
Debug.LogWarning("Error: Trying to add 0 items.");
return(false);
}
var backpackInventoryItem = new InventoryItem(item, quantity);
var backpackItem = Backpack.SingleOrDefault(i => i.Key.ItemDetails.Name.Equals(item.Name)).Key;
var itemToAdd = backpackInventoryItem;
bool hasFreeSlotInBackpack = HasFreeSlotInBackpack();
if (backpackItem == null && !hasFreeSlotInBackpack)
{
Debug.Log("Backpack is full."); ///TODO: UI popup
return(false);
}
else if (backpackItem != null)
{
if (!hasFreeSlotInBackpack && Backpack[backpackItem] % backpackItem.ItemDetails.MaxStackedCount == 0)
{
Debug.Log("Backpack is full."); ///TODO: UI popup
return(false);
}
Backpack[backpackItem] += quantity;
itemToAdd = new InventoryItem(backpackItem.ItemDetails, Backpack[backpackItem]);
Backpack.Remove(backpackItem);
}
AddItemToBackpack(itemToAdd);
OnItemChangedCallback?.Invoke();
DisplayItems();
return(true);
}
public bool EquipItem(InventoryItem item) ///TODO: equip on a slot type - helmet, charm, trinket, chest, weapon, shield, etc.
{
if (item == null)
{
Debug.LogWarning("Error: EquipItem(null).");
return(false);
}
bool isInInventory = Inventory.SingleOrDefault(i => i.ItemDetails.Name.Equals(item.ItemDetails.Name)) != null;
if (isInInventory)
{
Debug.LogWarning($"The item '{item.ItemDetails.Name}' is already equipped (in the inventory).");
return(false);
}
var backpackItem = Backpack.SingleOrDefault(kvp => kvp.Key.ItemDetails.Name.Equals(item.ItemDetails.Name)).Key;
bool isInBackpack = backpackItem != null;
if (!isInBackpack)
{
Debug.LogWarning($"The item '{item.ItemDetails.Name}' is not in the backpack or inventory. The player has no such item.");
return(false);
}
Backpack[backpackItem] = Mathf.Clamp(Backpack[backpackItem] - 1, 0, backpackItem.ItemDetails.MaxStackedCount);
backpackItem.IsEquipped = false;
Inventory.Add(new InventoryItem(backpackItem.ItemDetails, 1, true));
if (Backpack[backpackItem] < 1)
{
Backpack.Remove(backpackItem);
}
OnItemChangedCallback?.Invoke();
DisplayItems();
return(true);
}
public bool UseItem(Item item)
{
if (player == null || player.Status != ManagerStatus.Started)
{
Debug.LogWarning("Error: Inventory.UseItem: PlayerManager not ready yet.");
return(false);
}
if (item == null)
{
Debug.LogWarning("Error: UseItem(null).");
return(false);
}
if (!item.IsUsable)
{
Debug.LogWarning($"{item.Name} is not usable.");
return(false);
}
var inventoryItem = Inventory.SingleOrDefault(i => i.ItemDetails.Name.Equals(item.Name));
var backpackItem = Backpack.SingleOrDefault(kvp => kvp.Key.ItemDetails.Name.Equals(item.Name)).Key;
if (inventoryItem == null && backpackItem == null)
{
Debug.LogWarning($"{item.Name} is missing from the backpack and the inventory.");
return(false);
}
item.Use(player);
var hasDiscarded = DiscardItem(item);
if (hasDiscarded)
{
OnItemChangedCallback?.Invoke();
}
return(hasDiscarded);
}
public bool DiscardItem(Item item, int quantity = 1) // from backpack or inventory
{
if (item == null)
{
Debug.LogWarning("Error: DiscardItem(null).");
return(false);
}
var backpackItem = Backpack.SingleOrDefault(i => i.Key.ItemDetails.Name.Equals(item.Name)).Key;
var inventoryItem = Inventory.SingleOrDefault(i => i.ItemDetails.Name.Equals(item.Name));
if (backpackItem == null && inventoryItem != null)
{
var hasUnequipped = UnequipItem(inventoryItem);
if (hasUnequipped)
{
OnItemChangedCallback?.Invoke();
}
return(hasUnequipped);
}
else if (backpackItem == null)
{
Debug.LogWarning($"There is no such item to discard either from backpack or from inventory.");
return(false);
}
Backpack[backpackItem] = Mathf.Clamp(Backpack[backpackItem] - quantity, 0, backpackItem.ItemDetails.MaxStackedCount);
if (Backpack[backpackItem] < 1)
{
Backpack.Remove(backpackItem);
}
OnItemChangedCallback?.Invoke();
DisplayItems();
return(true);
}
public bool UnequipItem(InventoryItem item)
{
if (item == null)
{
Debug.LogWarning("Error: UnequipItem(null).");
return(false);
}
var inventoryItem = Inventory.SingleOrDefault(i => i.ItemDetails.Name.Equals(item.ItemDetails.Name));
bool isInInventory = Inventory.SingleOrDefault(i => i.ItemDetails.Name.Equals(item.ItemDetails.Name)) != null;
if (!isInInventory)
{
Debug.LogWarning($"The item '{item.ItemDetails.Name}' is not equipped (not in the inventory).");
return(false);
}
var backpackItem = Backpack.SingleOrDefault(kvp => kvp.Key.ItemDetails.Name.Equals(item.ItemDetails.Name));
bool isInBackpack = backpackItem.Key != null;
if (isInBackpack)
{
Backpack[backpackItem.Key]++;
}
else
{
Backpack.Add(inventoryItem, 1);
}
Inventory.Remove(inventoryItem);
OnItemChangedCallback?.Invoke();
DisplayItems();
return(true);
}