/// <summary>
/// 预建造
/// </summary>
/// <param name="commandType"></param>
/// <param name="item"></param>
/// <param name="contents">建造物所包含的格子（房间等占多个格子）</param>
public void PreBuild(BuildCommandType commandType, BuildingItem item, List <TileItem> contents = null)
{
//生成新的建造物并放置在指定层
switch (commandType)
{
case BuildCommandType.BuildGroundwork:
mGroundworkItem = (GroundworkItem)item;
mGroundworkItem.BindTileItem(this);
break;
case BuildCommandType.BuildWall:
WallItem = (WallItem)item;
WallItem.BindTileItem(this);
if (BelongRoom) //在已有房间内建墙，墙壁不属于房间的一部分
{
RoomItem.UnBindTileItem(this);
RoomItem = null;
}
break;
case BuildCommandType.BuildDoor:
DoorItem = (DoorItem)item;
DoorItem.BindTileItem(this);
break;
case BuildCommandType.BuildRoom:
RoomItem = (RoomItem)item;
RoomItem.BindTileItem(contents);
break;
case BuildCommandType.BuildDecorate:
break;
}
mPreBuildingItem = item;
mPreBuildingItem.PreBuild();
}
