/// <summary>
/// 初始化任务池的新实例。
/// </summary>
public TaskPool()
{
m_FreeAgents = new Stack <ITaskAgent <T> >();
m_WorkingAgents = new GameFrameworkLinkedList <ITaskAgent <T> >();
m_WaitingTasks = new GameFrameworkLinkedList <T>();
m_Paused = false;
}
/// <summary>
/// 处理事件结点。
/// </summary>
/// <param name="sender">事件源。</param>
/// <param name="e">事件参数。</param>
private void HandleEvent(object sender, T e)
{
int eventId = e.Id;
bool noHandlerException = false;
GameFrameworkLinkedList <EventHandler <T> > handlers = null;
if (m_EventHandlers.TryGetValue(eventId, out handlers) && handlers.Count > 0)
{
LinkedListNode <EventHandler <T> > current = handlers.First;
while (current != null)
{
m_CachedNodes[e] = current.Next;
current.Value(sender, e);
current = m_CachedNodes[e];
}
m_CachedNodes.Remove(e);
}
else if (m_DefaultHandler != null)
{
m_DefaultHandler(sender, e);
}
else if ((m_EventPoolMode & EventPoolMode.AllowNoHandler) == 0)
{
noHandlerException = true;
}
ReferencePool.Release((IReference)e);
if (noHandlerException)
{
throw new GameFrameworkException(Utility.Text.Format("Event '{0}' not allow no handler.", eventId.ToString()));
}
}
/// <summary>
/// 订阅事件处理函数。
/// </summary>
/// <param name="id">事件类型编号。</param>
/// <param name="handler">要订阅的事件处理函数。</param>
public void Subscribe(int id, EventHandler <T> handler)
{
if (handler == null)
{
throw new GameFrameworkException("Event handler is invalid.");
}
GameFrameworkLinkedList <EventHandler <T> > handlers = null;
if (!m_EventHandlers.TryGetValue(id, out handlers))
{
handlers = new GameFrameworkLinkedList <EventHandler <T> >();
handlers.AddLast(handler);
m_EventHandlers.Add(id, handlers);
}
else if ((m_EventPoolMode & EventPoolMode.AllowMultiHandler) == 0)
{
throw new GameFrameworkException(Utility.Text.Format("Event '{0}' not allow multi handler.", id.ToString()));
}
else if ((m_EventPoolMode & EventPoolMode.AllowDuplicateHandler) == 0 && Check(id, handler))
{
throw new GameFrameworkException(Utility.Text.Format("Event '{0}' not allow duplicate handler.", id.ToString()));
}
else
{
handlers.AddLast(handler);
}
}
/// <summary>
/// 获取事件处理函数的数量。
/// </summary>
/// <param name="id">事件类型编号。</param>
/// <returns>事件处理函数的数量。</returns>
public int Count(int id)
{
GameFrameworkLinkedList <EventHandler <T> > handlers = null;
if (m_EventHandlers.TryGetValue(id, out handlers))
{
return(handlers.Count);
}
return(0);
}
/// <summary>
/// 检查是否存在事件处理函数。
/// </summary>
/// <param name="id">事件类型编号。</param>
/// <param name="handler">要检查的事件处理函数。</param>
/// <returns>是否存在事件处理函数。</returns>
public bool Check(int id, EventHandler <T> handler)
{
if (handler == null)
{
throw new GameFrameworkException("Event handler is invalid.");
}
GameFrameworkLinkedList <EventHandler <T> > handlers = null;
if (!m_EventHandlers.TryGetValue(id, out handlers))
{
return(false);
}
return(handlers.Contains(handler));
}
/// <summary>
/// 取消订阅事件处理函数。
/// </summary>
/// <param name="id">事件类型编号。</param>
/// <param name="handler">要取消订阅的事件处理函数。</param>
public void Unsubscribe(int id, EventHandler <T> handler)
{
if (handler == null)
{
throw new GameFrameworkException("Event handler is invalid.");
}
GameFrameworkLinkedList <EventHandler <T> > handlers = null;
if (!m_EventHandlers.TryGetValue(id, out handlers))
{
throw new GameFrameworkException(Utility.Text.Format("Event '{0}' not exists any handler.", id.ToString()));
}
if (m_CachedNodes.Count > 0)
{
foreach (KeyValuePair <object, LinkedListNode <EventHandler <T> > > cachedNode in m_CachedNodes)
{
if (cachedNode.Value != null && cachedNode.Value.Value == handler)
{
m_TempNodes.Add(cachedNode.Key, cachedNode.Value.Next);
}
}
if (m_TempNodes.Count > 0)
{
foreach (KeyValuePair <object, LinkedListNode <EventHandler <T> > > cachedNode in m_TempNodes)
{
m_CachedNodes[cachedNode.Key] = cachedNode.Value;
}
m_TempNodes.Clear();
}
}
if (!handlers.Remove(handler))
{
throw new GameFrameworkException(Utility.Text.Format("Event '{0}' not exists specified handler.", id.ToString()));
}
}
/// <summary>
/// 初始化游戏框架多值字典类的新实例。
/// </summary>
public GameFrameworkMultiDictionary()
{
m_LinkedList = new GameFrameworkLinkedList <TValue>();
m_Dictionary = new Dictionary <TKey, GameFrameworkLinkedListRange <TValue> >();
}
