public static CmdObject Create(ICommand cmd, object userData)
{
CmdObject cmdObject = ReferencePool.Acquire <CmdObject>();
cmdObject.Cmd = cmd;
cmdObject.UserData = userData;
return(cmdObject);
}
public void ExecuteCmd(ICommand cmd, string group, object userData)
{
LinkedList <CmdObject> cmdList;
if (!m_CmdDic.TryGetValue(group, out cmdList))
{
cmdList = new LinkedList <CmdObject>();
m_CmdDic.Add(group, cmdList);
}
CmdObject cmdObject = CmdObject.Create(cmd, userData);
cmdList.AddLast(cmdObject);
cmd.Execute(userData);
}
public void Undo(string group, object userData)
{
LinkedList <CmdObject> cmdList;
if (!m_CmdDic.TryGetValue(group, out cmdList))
{
return;
}
if (cmdList.Count > 0)
{
CmdObject cmdObject = cmdList.Last.Value;
cmdObject.Cmd.Undo(cmdObject.UserData, userData);
cmdList.RemoveLast();
ReferencePool.Release(cmdObject);
}
}
