/// <summary>
/// Only call this method from the main thread.
/// </summary>
public void ProcessMessageQueue()
{
AsyncPathResult result = null;
// Lock the output queue
lock (outgoing)
{
// Update the flag
isMessageQueueEmpty = (outgoing.Count == 0);
// Get the result
if (outgoing.Count > 0)
{
result = outgoing.Dequeue();
}
}
if (result != null)
{
// Process the result
result.invokeCallback();
}
}
private void ThreadMain()
{
// Set the flag
isRunning = true;
// Used to calcualte the average
Stopwatch timer = new Stopwatch();
try
{
// Loop forever
while (isRunning == true)
{
// Get a request
AsyncPathRequest request = null;
// Lock the input queue
lock (incoming)
{
// Calcualte the current thread load
CalcualteLoad();
// Get a request
if (incoming.Count > 0)
{
request = incoming.Dequeue();
}
}
// Check for a request
if (request == null)
{
idleFrames++;
// Take a long sleep - no load
Thread.Sleep((int)targetTime);
continue;
}
// Reset the idle frames
idleFrames = 0;
// Begin timing
timer.Reset();
timer.Start();
// Lock the grid while we search
lock (request.Grid)
{
// Execute the request
request.Grid.FindPath(request.Start, request.End, request.Diagonal, request.Traversal2D, (Path path, PathRequestStatus status) =>
{
// Create a result
AsyncPathResult result = new AsyncPathResult(request, path, status);
// Push the result to the outgoing queue
lock (outgoing)
{
// Add result
outgoing.Enqueue(result);
}
});
}
// Stop timing and calculate the average time
timer.Stop();
CalculateAverageTime(timer.ElapsedMilliseconds);
// Calculate the amount of rest time based on the thread load
int sleepDuration = (int)((1 - threadLoad) * targetTime);
// Sleep based on the current thread load
Thread.Sleep(sleepDuration);
} // End while
}
catch (System.Exception e)
{
UnityEngine.Debug.Log(e);
}
}
