private void AddItem(DisplaySlot slot, int addAmount)
{
bool empty = slot.CurrentSlot.IsEmpty;
bool sameItem = slot.CurrentSlot.IsSameItemType(HoldingSlot.Item.Info);
if (!empty && !sameItem)
{
return;
}
if (HoldingSlot == null)
{
return;
}
Inventory inventory = slot.Inventory;
bool canAdd = inventory.IsItemTypeAllowed(HoldingSlot.Item) && !inventory.IsFullForItemType(HoldingSlot.Item.Info);
if (!canAdd)
{
return;
}
inventory.AddToSlot(HoldingSlot.Item, slot.CurrentSlot, addAmount);
lastItemSlot = slot;
grabDisplay.Setup(playerInventory.CompoundedInventory, HoldingSlot);
}
private void Start()
{
foreach (Slot slot in inventoryReference.Slots)
{
DisplaySlot displaySlot = Instantiate(displaySlotPrefab, Vector2.zero, Quaternion.identity, group.transform);
RectTransform rectTransform = displaySlot.gameObject.GetComponent <RectTransform>();
rectTransform.sizeDelta = group.cellSize;
displaySlot.Setup(inventoryReference, slot);
}
}
private void UpdateDragging()
{
DisplaySlot hoveringDisplaySlot = DisplaySlotDragBehaviour.currentSelectedDragable?.DisplaySlot;
bool selectedASlot = hoveringDisplaySlot != null;
bool hoveringOverUI = EventSystem.current.IsPointerOverGameObject() || selectedASlot;
if (Input.GetMouseButtonDown(0))
{
if (!hoveringOverUI)
{
Drop();
return;
}
if (selectedASlot)
{
if (!Dragging)
{
GrabItem(hoveringDisplaySlot);
}
else
{
PlaceItem(hoveringDisplaySlot);
}
}
}
if (Input.GetMouseButtonDown(1))
{
if (!hoveringOverUI)
{
Drop(1);
return;
}
if (selectedASlot)
{
int half = Mathf.CeilToInt(hoveringDisplaySlot.CurrentSlot.Amount / 2f);
if (!Dragging)
{
GrabItem(hoveringDisplaySlot, half);
}
else
{
AddItem(hoveringDisplaySlot, 1);
}
}
}
}
private void GrabItem(DisplaySlot displaySlot, int grabAmount = 0)
{
lastItemSlot = displaySlot;
Slot newSlot = displaySlot.CurrentSlot;
Item item = newSlot.Item;
if (item.IsEmpty)
{
return;
}
Inventory inventory = displaySlot.Inventory;
HoldingSlot.SetItem(item.Transfer(grabAmount));
grabDisplay.Setup(playerInventory.CompoundedInventory, HoldingSlot);
inventory.OnChanged?.Invoke();
}
private void PlaceItem(DisplaySlot slot, int placeAmount = -1)
{
bool empty = slot.CurrentSlot.IsEmpty;
bool sameItem = slot.CurrentSlot.IsSameItemType(HoldingSlot.Item.Info);
Inventory inventory = slot.Inventory;
if (!inventory.IsItemTypeAllowed(HoldingSlot.Item.Clone().Transfer(placeAmount)))
{
return;
}
if (empty || sameItem && !slot.CurrentSlot.IsFull)
{
AddItem(slot, placeAmount);
}
else
{
SwapWithHand(slot);
}
}
private void SwapWithHand(DisplaySlot displaySlot)
{
if (HoldingSlot == null)
{
return;
}
Inventory inventory = displaySlot.Inventory;
if (!inventory.IsItemTypeAllowed(HoldingSlot.Item))
{
return;
}
Item placingItem = displaySlot.CurrentSlot.Item.Transfer();
Item handItem = HoldingSlot.Item.Transfer();
inventory.AddToSlot(handItem, displaySlot.CurrentSlot);
HoldingSlot.SetItem(placingItem.Transfer());
grabDisplay.Setup(playerInventory.CompoundedInventory, HoldingSlot);
}
private void Awake() => DisplaySlot = GetComponent <DisplaySlot>();
