/// <summary>
/// 自身slot为空
/// 1. isPickedUnit != false 直接放在这个空的slot槽下
/// 2. isPickedUnit == false 不做任何处理
///
/// 自身slot不为空
/// 1. isPickedUnit != false
/// ① 当前slot下的unit.id == pickedUnit.id，不做任何处理
/// ② 当前slot下的unit.id != pickedUnit.id， pickedUnit与当前物品交换
/// 2. isPickedUnit == false 把当前物品槽下的Unit放到鼠标下
/// </summary>
public void OnPointerDown(PointerEventData eventData)
{
Debug.Log("鼠标");
if (eventData.button != PointerEventData.InputButton.Left)
{
return;
}
Debug.Log("鼠标左键");
if (transform.childCount > 0)
{
//TODO 自身不为空
//获取当前自身slot下的Unit
UnitUI currentItemUI = transform.GetChild(0).GetComponent <UnitUI>();
if (UnitManager.Instance.IsPickedUnit == false)
{
UnitManager.Instance.PickedUpUnit(currentItemUI); //调用此函数用于鼠标"捡起"当前slot下的unit
Destroy(currentItemUI.gameObject); //摧毁slot下已经被鼠标"捡起"的unit
}
else
{
//TODO 自身不为空， 当前slot下的unit.id != pickedUnit.id， pickedUnit与当前物品交换
}
}
else
{
//TODO 自身为空
if (UnitManager.Instance.IsPickedUnit == true)
{
StoreItem(UnitManager.Instance.PickedUnit);
UnitManager.Instance.RemoveAllItem();
}
}
}
private void Start()
{
canvas = GameObject.Find("UnitUI").GetComponent <Canvas>();
pickedUnit = GameObject.Find("PickedUnit").GetComponent <NBearUnit.UnitUI>();
pickedUnit.Hide();
IsInstantiation = false;
}
/// <summary>
/// “抓起” Unit
/// </summary>
/// <param name="unitUI">目标拾起的单位，用于传递信息</param>
public void PickedUpUnit(NBearUnit.UnitUI unitUI)
{
//TODO “拾起” 单位
pickedUnit.SetUnit();
isPickedUnit = true;
pickedUnit.Show();
}
/// <summary>
/// 存储Unit到slot下
/// </summary>
/// <param name="unit"></param>
public void StoreItem(UnitUI unit)
{
GameObject itemGameObject = Instantiate(unitPrefab) as GameObject;
itemGameObject.transform.SetParent(transform);
itemGameObject.transform.localPosition = new Vector3(0.0f, -21.0f, 0.0f);
itemGameObject.GetComponent <UnitUI>().SetUnit(/*unit*/); //设置Item
Debug.Log("StoreItem");
}