/// <summary>
/// NGUI内置函数,放下拖拽的物品时会记录下物品放下位置下面的物体
/// </summary>
/// <param name="surface">物品放下位置下面的物体</param>
protected override void OnDragDropRelease(GameObject surface)
{
base.OnDragDropRelease(surface);
if (surface != null)
{
//如果放到空格子上
if (surface.tag == "Grid")
{
//如果空格子是自己的格子
if (surface == this.transform.parent.gameObject)
{
ResetPos();
}
//如果是别的空格子(就把物品放过去同时清空自己的格子)
else
{
GridOfItem oldGrid = this.GetComponentInParent <GridOfItem>();
this.transform.parent = surface.transform;
ResetPos();
GridOfItem newGrid = surface.GetComponent <GridOfItem>();
newGrid.SetThisGridItemById(oldGrid.id, oldGrid.num);
oldGrid.ClearItem();
}
}
//如果放到有物品的格子上,就交换两Grid中物品(由于item在Grid上层,所以surface是item)
else if (surface.tag == "Item")
{
GridOfItem oldGrid = this.GetComponentInParent <GridOfItem>();
GridOfItem newGrid = surface.GetComponentInParent <GridOfItem>();
int tempid = oldGrid.id;
int tempnum = oldGrid.num;
oldGrid.SetThisGridItemById(newGrid.id, newGrid.num);
newGrid.SetThisGridItemById(tempid, tempnum);
//避免交换后会认为原有item仍然处于hover状态导致infoFrame不会消失
oldGrid.GetComponentInChildren <Item>().isHover = false;
}
//保留(放到技能栏上的情况)
else if (false)
{
}
}
ResetPos();
}
/// <summary>
/// 当捡取物品时,根据所捡物品id将其添加入背包中
/// </summary>
/// <param name="id">物品id</param>
/// <param name="num">物品数量</param>
public void PickOneItemById(int id, int num = 1)
{
//存储捡到的物品的id对应所在的Grid对象(分有无情况)
GridOfItem findGrid = null;
//遍历所有Grid判断是否已经存在该物品
foreach (GridOfItem tempGrid in gridList)
{
if (tempGrid.id == id)
{
findGrid = tempGrid; break;
}
}
//如果已经存在(物品数量 + num)
if (findGrid != null)
{
findGrid.AddItemNum(num);
}
else //如果不存在(查找空的[id为0]Grid,再创建一个新的item放进Grid[设为子物体])
{
//寻找id为0的Grid(空Grid)
foreach (GridOfItem tempGrid in gridList)
{
if (tempGrid.id == 0)
{
findGrid = tempGrid; break;
}
}
//实例化一个item设为空Grid子物体
if (findGrid != null)
{
GameObject createNewItem = NGUITools.AddChild(findGrid.gameObject, newItem);
createNewItem.transform.localPosition = Vector3.zero;
createNewItem.GetComponent <UISprite>().depth = 2;
findGrid.SetThisGridItemById(id, num);
}
}
}