private void MoveToTop(GameComponent item, GameComponentCollection itemList)
{
int layer = itemList.IndexOf(item);
int MaxLayer = itemList.Count - 1;
if (layer > MaxLayer)
{
Console.WriteLine("错误：指定层级不存在于itemList当中！");
return;
}
GameComponent srcItem = itemList[layer];
for (int i = layer + 1; i <= itemList.Count - 1; i++)
{
itemList[i - 1] = itemList[i];
}
itemList[MaxLayer] = srcItem;
//SetTypeList(itemList);
}
private void MoveToUpperLayer(GameComponent item, GameComponentCollection itemList)
{
int layer = itemList.IndexOf(item);
int MaxLayer = itemList.Count - 1;
if (layer == MaxLayer)
{
Console.WriteLine("信息：该Item已经处于顶层");
return;
}
// 寻找最近一个覆盖它的Item
GameComponent curItem = itemList[layer];
Transform curTrans = curItem.Children.QueryComponent<Transform>();
if ( curTrans == null)
return;
Rectangle curRect = curTrans.GetOrthoBox();
GameComponent upperItem = null;
int upLayer = -1;
for (int i = layer + 1; i <= MaxLayer; i++)
{
GameComponent compItem = itemList[i];
Transform compTrans = compItem.Children.QueryComponent<Transform>();
if (compItem == null)
continue;
Rectangle compRect = compTrans.GetOrthoBox();
if (curRect.Intersects(compRect))
{
upperItem = compItem;
upLayer = i;
break;
}
}
if (upperItem == null)
{
Console.WriteLine("信息：该Item未被任Item覆盖");
return;
}
// 移动
MoveTo(layer, upLayer, itemList);
//SetTypeList(itemList);
}
private void MoveToLowerLayer(GameComponent item, GameComponentCollection itemList)
{
int layer = itemList.IndexOf(item);
if (layer == 0)
{
Console.WriteLine("信息：该Item已经处于底层");
return;
}
// 寻找最近一个被覆盖的Item
GameComponent curItem = itemList[layer];
Transform curTrans = curItem.Children.QueryComponent<Transform>();
if (curTrans == null)
return;
Rectangle curRect = curTrans.GetOrthoBox();
GameComponent lowerItem = null;
int lowerLayer = -1;
for (int i = layer - 1; i >= 0; i--)
{
GameComponent compItem = itemList[i];
Transform compTrans = item.Children.QueryComponent<Transform>();
if (compItem == null)
continue;
Rectangle compRect = compTrans.GetOrthoBox();
if (curRect.Intersects(compRect))
{
lowerItem = compItem;
lowerLayer = i;
break;
}
}
if (lowerItem == null)
{
Console.WriteLine("信息：该Item未覆盖任何其他Item");
return;
}
// 移动
MoveTo(layer, lowerLayer, itemList);
//SetTypeList(itemList);
}
