64 lines
1.3 KiB
C#
64 lines
1.3 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright 2007-2014 The OpenRA Developers (see AUTHORS)
|
|
* This file is part of OpenRA, which is free software. It is made
|
|
* available to you under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation. For more information,
|
|
* see COPYING.
|
|
*/
|
|
#endregion
|
|
|
|
using System;
|
|
|
|
namespace OpenRA.Primitives
|
|
{
|
|
/// <summary>
|
|
/// A thread-safe action queue, suitable for passing units of work between threads.
|
|
/// </summary>
|
|
public class ActionQueue
|
|
{
|
|
object syncRoot = new object();
|
|
PriorityQueue<DelayedAction> actions = new PriorityQueue<DelayedAction>();
|
|
|
|
public void Add(Action a) { Add(a, 0); }
|
|
public void Add(Action a, int delay)
|
|
{
|
|
lock (syncRoot)
|
|
actions.Add(new DelayedAction(a, Game.RunTime + delay));
|
|
}
|
|
|
|
public void PerformActions()
|
|
{
|
|
Action a = () => { };
|
|
lock (syncRoot)
|
|
{
|
|
var t = Game.RunTime;
|
|
while (!actions.Empty && actions.Peek().Time <= t)
|
|
{
|
|
var da = actions.Pop();
|
|
a = da.Action + a;
|
|
}
|
|
}
|
|
|
|
a();
|
|
}
|
|
}
|
|
|
|
struct DelayedAction : IComparable<DelayedAction>
|
|
{
|
|
public int Time;
|
|
public Action Action;
|
|
|
|
public DelayedAction(Action action, int time)
|
|
{
|
|
Action = action;
|
|
Time = time;
|
|
}
|
|
|
|
public int CompareTo(DelayedAction other)
|
|
{
|
|
return Time.CompareTo(other.Time);
|
|
}
|
|
}
|
|
}
|