//called upon creation of this UI element.
public void SetupFor <T>(AbsInventory inventory) where T : AbsItemSlot
{
if (slotParent.childCount != 0)
{
DestroyAllChildren();
}
for (int i = 0; i < inventory.inventorySize; i++)
{
var slot = Instantiate(slotPrefab, slotParent).GetComponent <T>();
slot.partInventory = inventory;
slot.indexInInventory = i;
slots.Add(slot);
}
var trans = transform as RectTransform;
var size = (Mathf.Ceil(inventory.inventorySize / 5f) * 55) + 30;
trans.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, size);
nameText.text = inventory.name;
Refresh(inventory.containedItems);
}
//Combine two stacks of the same item. < >
void CombineStacks(AbsInventory inv, int targetIndex)
{
var itemInfo = inv.containedItems[targetIndex];
if (itemInfo.stackSize >= itemInfo.MaxStack)
{
return;
}
//the potential amount of items that could get added
var maxAdd = itemInfo.MaxStack - itemInfo.stackSize;
//the real amount that will get added to the existing stack (itemInfo)
var realAdd = Mathf.Clamp(maxAdd, 0, partInventory.containedItems[indexInInventory].stackSize);
//remove the real amount.
partInventory.containedItems[indexInInventory].stackSize -= realAdd;
if (partInventory.containedItems[indexInInventory].stackSize <= 0)
{
partInventory.containedItems[indexInInventory] = null;
}
//finally, ADD the amount.
inv.containedItems[targetIndex].stackSize += realAdd;
}