/// <summary>
/// Schedules the task for later execution. Long-blocking tasks should never be run
/// synchronously, as any and all tasks that can be executed will be executed each cycle.
/// Additionally, the scheduler does not guarantee the timing of each task. If you need
/// precision timing, look elsewhere.
/// <para>
/// If task.Task is null, the task will not be added. If task.Completed is true, the task will be
/// added but will be removed if task.Completed is not set to false by the next call of RunTasks.
/// </para>
/// </summary>
/// <param name="task">The task info object.</param>
public void ScheduleTask(TaskInfo task)
{
task.Completed = false;
if (task.Task == null)
{
Log.Warn("skipping null task; setting Completed to true and skipping");
task.Completed = true;
}
task.TimeLeft = task.ExecuteAfter;
lock (this.taskLock)
{
this.Tasks.AddLast(task);
}
}
/// <summary>
/// Removes the task from the scheduler.
/// </summary>
/// <param name="task">The task to remove.</param>
/// <returns>true if the task was removed, false if the task was not scheduled.</returns>
public bool RemoveTask(TaskInfo task)
{
lock (this.taskLock)
{
return this.Tasks.Remove(task);
}
}
public static void Timer(ConsoleManager console, ExecutableCommand cmd)
{
if (cmd.Arguments.Count != 2)
{
throw new ArgumentException(string.Format("Wrong number of arguments for timer (expected 2, got {0})", cmd.Arguments.Count));
}
string secondsString = cmd.Arguments[0].Value;
float seconds = 0;
if (!float.TryParse(secondsString, out seconds))
{
throw new ArgumentException(string.Format("Unable to parse \"{0}\" to a float", secondsString));
}
string command = cmd.Arguments[1].Value;
TaskInfo task = new TaskInfo()
{
ExecuteAfter = seconds,
Task = () =>
{
try
{
console.Execute(ScriptUtilities.ParseString(command));
}
catch (Exception e)
{
ConsoleManager.ConsoleLog.Warn("Unable to execute delayed commands", e);
}
}
};
GameEngine.Instance.Scheduler.ScheduleTask(task);
}