/// <summary>
/// Creates UI item, plays its "get" animation and adds it to list of active UI items
/// </summary>
/// <param name="key">Item to create a UI item from</param>
public void AddItem(InteractableItemKey key)
{
// If slot already exists, make that item fill the slot
foreach (InventoryItemUI slotItem in slotItems)
{
if (slotItem.itemKey == key)
{
slotItem.PlayItemGetAnimation();
activeItems.Add(slotItem);
slotItems.Remove(slotItem);
return;
}
}
// else create new item and immediately fill the slot
GameObject item = Instantiate(itemPrefab, itemParent);
InventoryItemUI itemUI = item.GetComponent <InventoryItemUI>();
if (itemUI == null)
{
Debug.LogError("Item prefab in InventoryUI does not have a InventoryItemUI component");
Destroy(item);
}
else
{
itemUI.Init(key);
itemUI.PlayItemGetAnimation();
activeItems.Add(itemUI);
}
}
/// <summary>
/// Initializes the UI item
/// </summary>
/// <param name="key">Key to show in this UI</param>
public void Init(InteractableItemKey key)
{
emptySlotImage.sprite = key.icon;
iconImage.sprite = key.icon;
itemKey = key;
// Start in inventory slot position
itemTransform.anchoredPosition = Vector3.zero;
origScale = itemTransform.localScale;
itemTransform.localScale = Vector3.zero;
}
/// <summary>
/// Adds an empty item slot to the UI
/// </summary>
/// <param name="key">Key to show empty slot for</param>
public void AddItemSlot(InteractableItemKey key)
{
GameObject item = Instantiate(itemPrefab, itemParent);
InventoryItemUI itemUI = item.GetComponent <InventoryItemUI>();
if (itemUI == null)
{
Debug.LogError("Item prefab in InventoryUI does not have a InventoryItemUI component");
Destroy(item);
}
else
{
itemUI.Init(key);
slotItems.Add(itemUI);
}
}
/// <summary>
/// Finds item from inventory, plays its use animation and removes it from list of active UI items
/// </summary>
/// <param name="key">Item to find</param>
/// <param name="targetPos">Target screen position passed to item animation</param>
public void UseItem(InteractableItemKey key, Vector3 targetPos)
{
InventoryItemUI foundItem = null;
foreach (InventoryItemUI item in activeItems)
{
if (item.itemKey == key)
{
foundItem = item;
break;
}
}
if (foundItem != null)
{
foundItem.PlayItemUseAnimation(targetPos);
activeItems.Remove(foundItem);
}
}
