public void onDragHand(HandListItem item, PointerEventData pointer)
{
if (item.GetComponentInParent <HandList>() != SelfHandList)//你不能用别人的卡
{
return;
}
usingHand = item;
if (!canControl)//不是你的回合
{
resetUse(true, true);
return;
}
//拖拽卡片
item.Card.rectTransform.position = pointer.position;
if (SelfHandList.rectTransform.rect.Contains(SelfHandList.rectTransform.InverseTransformPoint(pointer.position)))
{
//如果移动回手牌区域，恢复正常大小
item.Card.rectTransform.localScale = Vector3.one;
//移除随从占位
hideServantPlaceHolder();
}
else
{
//移动到手牌区以外的地方视作打算使用
if (!item.Card.card.isUsable(game, player, out string info))
{
//卡牌不可用，停止拖拽并提示
showTip(info);
resetUse(true, true);
}
else
{
//手牌在战场上大小和随从牌一致
item.Card.rectTransform.localScale = Vector3.one * .4f / rectTransform.localScale.y;
if (item.Card.card.define is ServantCardDefine)
{
SelfFieldList.defaultItem.rectTransform.SetAsFirstSibling();
ServantPlaceHolder.rectTransform.sizeDelta = SelfFieldList.defaultItem.rectTransform.sizeDelta;
SelfFieldList.addChild(ServantPlaceHolder.rectTransform);
ServantPlaceHolder.display();
var servants = SelfFieldList.getItems();
int index = 0;
if (servants.Length > 0)
{
//需要选择空位，计算空位
for (int i = 0; i < servants.Length; i++)
{
if (servants[i].rectTransform.position.x < pointer.position.x)
{
index = i + 1;
}
}
ServantPlaceHolder.rectTransform.SetSiblingIndex(index + 1);
}
}
}
}
}
private void hideServantPlaceHolder()
{
addChild(ServantPlaceHolder.rectTransform);
ServantPlaceHolder.Servant.hide();
ServantPlaceHolder.hide();
}