/// <summary>
/// Remove a Command from the queue
/// </summary>
public Command Dequeue(out InputState nState, out string nData)
{
lock (_lock) // Lock for thread safety
{
CmdQueueNode tempNode = null;
if (_head != null)
{
tempNode = _head;
_head = _head.Next;
}
if (tempNode != null)
{
nState = tempNode.State;
nData = tempNode.Data;
return(tempNode.Cmd);
}
else
{
nState = InputState.INVALID;
nData = null;
return(Command.None);
}
}
}
// Check the length of the queue
public int NumNodes()
{
int num = 0;
CmdQueueNode tempNode = _head;
while (tempNode != null)
{
num++;
tempNode = tempNode.Next;
}
return(num);
}
private object _lock = new object(); // Threadsafe lock object
/// <summary>
/// Add an Command to the queue
/// </summary>
public void Enqueue(Command nCmd, InputState nState, string nData = null)
{
lock (_lock) // Lock for thread safety
{
CmdQueueNode newNode = new CmdQueueNode(nCmd, nState, nData);
if (_head == null)
{
_head = newNode;
_tail = newNode;
}
else
{
_tail.Next = newNode;
_tail = newNode;
}
}
}
public void Dispose()
{
Cmd = null;
Data = null;
Next = null;
}