private void Run()
{
try {
while (running)
{
Node n;
if (loadingQueue.TryDequeue(out n))
{
Monitor.Enter(n);
if (!n.HasPointsToRender() && !n.HasGameObjects())
{
Monitor.Exit(n);
CloudLoader.LoadPointsForNode(n);
cache.Insert(n);
}
else
{
Monitor.Exit(n);
}
}
}
} catch (Exception ex) {
Debug.LogError(ex);
}
}
/// <summary>
/// Gives the current camera data to the traversal thread and updates the GameObjects. Called from the MainThread. As described in the Bachelor Thesis in chapter 3.1.3 "Main Thread"
/// </summary>
public void Update()
{
unityThread = Thread.CurrentThread;
if (paused)
{
return;
}
//Set new Camera Data
traversalThread.SetNextCameraData(camera.transform.position, camera.transform.forward, GeometryUtility.CalculateFrustumPlanes(camera), camera.pixelRect.height, camera.fieldOfView);
//Update GameObjects
Queue <Node> toRender;
Queue <Node> toDelete;
lock (locker) {
toRender = this.toRender;
toDelete = this.toDelete;
this.toRender = null;
this.toDelete = null;
}
if (toRender == null)
{
return;
}
while (toDelete.Count != 0)
{
Node n = toDelete.Dequeue();
lock (n) {
if (n.HasGameObjects())
{
n.RemoveGameObjects(config);
cache.Insert(n);
}
}
}
while (toRender.Count != 0)
{
Node n = toRender.Dequeue();
lock (n) {
if (n.HasPointsToRender() && (n.Parent == null || n.Parent.HasGameObjects()))
{
n.CreateGameObjects(config);
}
}
}
Monitor.Enter(toDeleteExternal);
while (toDeleteExternal.Count != 0)
{
Node rootNode = toDeleteExternal.Dequeue();
rootNodes.Remove(rootNode);
Queue <Node> toRemove = new Queue <Node>();
toRemove.Enqueue(rootNode);
while (toRemove.Count != 0)
{
Node n = toRemove.Dequeue();
cache.Withdraw(n);
if (n.HasGameObjects())
{
n.RemoveGameObjects(config);
}
if (n.HasPointsToRender())
{
n.ForgetPoints();
foreach (Node child in n)
{
toRemove.Enqueue(child);
}
}
}
}
Monitor.Exit(toDeleteExternal);
//Notify Traversal Thread
lock (traversalThread) {
Monitor.PulseAll(traversalThread);
}
}