/// <summary>
/// Add a new command.
/// </summary>
public void newCommand(ICommand <T> command)
{
CommandElement <T> newCommandElement = new CommandElement <T> ();
newCommandElement.id = commandCount;
newCommandElement.command = command;
commandList.Add(newCommandElement);
commandCount += 1;
}
/// <summary>
/// Execute the newest command.
/// </summary>
public void executeNewestCommand()
{
for (int i = commandCount - 1; i >= 0; i--)
{
CommandElement <T> targetCommand = commandList.Find(x => x.id == i);
if (targetCommand != null)
{
currentCommandID = i;
targetCommand.command.execute();
}
}
}
/// <summary>
/// Execute the command with specified id.
/// </summary>
public void executeCommand(int commandID)
{
currentCommandID = commandID;
CommandElement <T> targetCommand = commandList.Find(x => x.id == commandID);
if (targetCommand != null)
{
targetCommand.command.execute();
}
else
{
throw new NullReferenceException("Command not found!");
}
}