// Update is called once per frame
void Update()
{
if (Input.GetMouseButtonUp(0))
{ // delete inventory
if (!eventSystem.IsPointerOverGameObject(-1) && from != null)
{
from.GetComponent <Image>().color = Color.white;
from.clearSlot();
Destroy(GameObject.Find("Hover"));
hoverObject = null;
from = null;
to = null;
}
}
if (hoverObject != null)
{
// code making icon hover around screen
Vector2 position;
RectTransformUtility.ScreenPointToLocalPointInRectangle(canvas.transform as RectTransform, Input.mousePosition, canvas.worldCamera, out position);
position.Set(position.x, position.y - hoverYOffset); //??
hoverObject.transform.position = canvas.transform.TransformPoint(position);
player.GetComponent <UnityEngine.AI.NavMeshAgent>().ResetPath();
}
}
// move item
public void MoveItem(GameObject clicked)
{
if (from == null)
{
if (!clicked.GetComponent <Slots>().isEmpty)
{
from = clicked.GetComponent <Slots>(); // initialize from
from.GetComponent <Image>().color = Color.gray;
hoverObject = Instantiate(iconPrefab); // an instance of hovering object
hoverObject.GetComponent <Image>().sprite = clicked.GetComponent <Image>().sprite; //get the image
hoverObject.name = "Hover"; // change hover icon's name
RectTransform hoverTransform = hoverObject.GetComponent <RectTransform>();
RectTransform clickedTransform = clicked.GetComponent <RectTransform>();
hoverTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, clickedTransform.sizeDelta.x);
hoverTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, clickedTransform.sizeDelta.y);
// make it visible
hoverObject.transform.SetParent(GameObject.Find("InventoryCanvas").transform, true);
hoverObject.transform.localScale = from.gameObject.transform.localScale; // set local scale
}
}
else if (to == null)
{
to = clicked.GetComponent <Slots>();
Destroy(GameObject.Find("Hover"));
}
if (from != null && to != null)
{
//swap two items
Stack <Item> tmpTo = new Stack <Item>(to.Items); // store to as temp var
to.swapItem(from.Items);
if (tmpTo.Count == 0)
{
from.clearSlot();
}
else
{
from.swapItem(tmpTo);
}
from.GetComponent <Image>().color = Color.white; // reset color
// resetting
from = null;
to = null;
hoverObject = null; // done moving
}
}