/// <summary>
/// This method is called only when player pressed a button to take out
/// </summary>
/// <param name="j">the position of the object in the inventory</param>
public void takeOut(int j)
{
if (!status_script.Hands_available() || inventoryList.Count < j + 1)
{
return;
}
GameObject itemOut = inventoryList[j]; // take the onject out of the inventory
inventoryList.RemoveAt(j);
itemOut.SetActive(true);
if (identify(itemOut).isGroup("pickUpAble"))
{
this.GetComponent <pickUpObject>().takeOut(itemOut);
}
else if (identify(itemOut).isGroup("cutted"))
{
this.GetComponent <holdCuttedObject>().putCuttedItemToHand(itemOut);
}
// update UI
if (onItemChangedCallback != null)
{
onItemChangedCallback.Invoke();
}
return;
}
// Update is called once per frame
void Update()
{
// This part of code is used to track if user currently is holding a object in his hands
if (picked != null && status_script.Scree_free())
{
// if user want to put down the object
if (Input.GetKeyDown(allKeys.putDown))
{
DropItemsOnHand();
InventoryUI.instance.RemoveFromHandSlot();
}
// if user want to put the items into inventory
if (Input.GetKeyDown(allKeys.putInInventory))
{
PutInInventory();
}
}
//pick up an pickupable object if hands are free
else if (status_script.Hands_available() && Input.GetKeyDown(allKeys.pickUp) && status_script.Scree_free())
{
Ray rayCast = playerCamera.ScreenPointToRay(new Vector2(Screen.width / 2, Screen.height / 2));
RaycastHit rayHit;
if (Physics.Raycast(rayCast, out rayHit, rayRange))
{
if (identify(rayHit.collider.gameObject) != null && identify(rayHit.collider.gameObject).isGroup("pickUpAble"))
{
// step one: change the hand status
if (!status_script.Hands_change(Hands.pickUpAble))
{
Debug.LogWarning("PickUpObject cannot lock hands status to pickUpAble");
}
picked = rayHit.collider.gameObject;
// step two: find the top of the hierachy tree we want to pick up
picked = findTopParentOfTheType("pickUpAble", picked);
// step three: disable the collider of all its children
Queue <GameObject> originalObjects = new Queue <GameObject>();
originalObjects.Enqueue(picked);
while (originalObjects.Count != 0)
{
GameObject currentParent = originalObjects.Dequeue();
// print(currentParent);
foreach (Transform childs in currentParent.transform)
{
originalObjects.Enqueue(childs.gameObject);
}
foreach (Collider c in currentParent.GetComponents <Collider>())
{
c.enabled = false;
}
}
// step four: store the current parent for future reference
identify(picked).putRegedit("originalParent", picked.transform.parent);
float pickUpScale = (float)(identify(picked).getRegeditValue("pickUpScale") == null? defaultPickUpScale : identify(picked).getRegeditValue("pickUpScale"));
// step five:
InventoryUI.instance.AddToHandSlot(picked);
if (picked.GetComponent <Rigidbody>() != null)
{
picked.GetComponent <Rigidbody>().isKinematic = true;
}
picked.transform.SetParent(displayCanvas.transform);
picked.transform.localPosition = placedPosition;
picked.transform.localScale = (float)pickUpScale * picked.transform.localScale;
// Scale with screen size?
// picked.transform.localScale = (float)pickUpScale * picked.transform.localScale * (Screen.width / 900);
}
}
}
}