public virtual void OnBeginDrag(PointerEventData eventData)
{
nowSlot = transform.parent.GetComponent <InvSlotBase>();
if (transform != null)
{
GetComponent <CanvasGroup>().blocksRaycasts = false;
isFindSlot = false;
//rect.position = eventData.position;
transform.SetParent(canvas);
}
}
protected virtual void Start()
{
canvas = GameObject.Find("Canvas").transform;
nowSlot = transform.parent.GetComponent <InvSlotBase>();
}
protected virtual void Exchange(InventoryItem _item)
{
if (isEmpty)
{
// 赋值slot信息
// ItemID, itemChild, ItemNum
InvSlotBase slot = _item.nowSlot.GetComponent <InvSlotBase>();
ItemID = slot.ItemID;
ItemChild = slot.ItemChild;
ItemNum = slot.ItemNum;
//ItemData date = slot.iten
// 清除该item父slot的信息
slot.ItemID = -1;
slot.ItemChild = null;
slot.ItemNum = 0;
// 交换位置改写item信息
_item.nowSlot.isEmpty = true;
_item.transform.parent = transform;
_item.transform.SetSiblingIndex(0);
_item.transform.localPosition = Vector2.zero;
_item.isFindSlot = true;
_item.nowSlot = this;
ItemNum += 1;
}
else
{
// 交换
// ItemID, itemChild, ItemNum
// 1 保存pointerDrag的当前格子三个信息
InvSlotBase pointerSlot = _item.nowSlot.GetComponent <InvSlotBase>();
int Pid = pointerSlot.ItemID;
Transform Pitemchild = pointerSlot.ItemChild;
int Pitmenum = pointerSlot.ItemNum;
// 防止执行item的itemDragEnter函数
_item.isFindSlot = true;
// 2 交换item
// 将当前slot的item交给PointerItem的slot -信息
pointerSlot.ItemID = ItemID;
pointerSlot.ItemChild = ItemChild;
pointerSlot.ItemNum = ItemNum;
// item位置
ItemChild.transform.SetParent(pointerSlot.transform);
ItemChild.transform.SetSiblingIndex(0);
ItemChild.transform.localPosition = Vector2.zero;
// item.nowSlot
ItemChild.GetComponent <InvItemBase>().nowSlot = this;
Debug.Log(pointerSlot.transform.GetSiblingIndex());
// 3 将拖拽的item赋值给当前slot
// 信息
ItemID = Pid;
ItemChild = Pitemchild;
ItemNum = Pitmenum;
// item 位置
_item.transform.SetParent(transform);
_item.transform.SetSiblingIndex(0);
_item.transform.localPosition = Vector2.zero;
//item.nowSLot
_item.nowSlot = this;
}
}