internal PathProcessor(AstarPath astar, PathReturnQueue returnQueue, int processors, bool multithreaded)
{
this.astar = astar;
this.returnQueue = returnQueue;
if (processors < 0)
{
throw new System.ArgumentOutOfRangeException("processors");
}
if (!multithreaded && processors != 1)
{
throw new System.Exception("Only a single non-multithreaded processor is allowed");
}
// Set up path queue with the specified number of receivers
queue = new ThreadControlQueue(processors);
pathHandlers = new PathHandler[processors];
for (int i = 0; i < processors; i++)
{
pathHandlers[i] = new PathHandler(i, processors);
}
if (multithreaded)
{
#if UNITY_2017_3_OR_NEWER
profilingSampler = CustomSampler.Create("Calculating Path");
#endif
threads = new Thread[processors];
// Start lots of threads
for (int i = 0; i < processors; i++)
{
var pathHandler = pathHandlers[i];
threads[i] = new Thread(() => CalculatePathsThreaded(pathHandler));
#if !UNITY_SWITCH || UNITY_EDITOR
// Note: Setting the thread name seems to crash when deploying for Switch: https://forum.arongranberg.com/t/path-processor-crashing-nintendo-switch-build/6584
threads[i].Name = "Pathfinding Thread " + i;
#endif
threads[i].IsBackground = true;
threads[i].Start();
}
}
else
{
// Start coroutine if not using multithreading
threadCoroutine = CalculatePaths(pathHandlers[0]);
}
}
internal PathProcessor(AstarPath astar, PathReturnQueue returnQueue, int processors, bool multithreaded)
{
this.astar = astar;
this.returnQueue = returnQueue;
if (processors < 0)
{
throw new System.ArgumentOutOfRangeException("processors");
}
if (!multithreaded && processors != 1)
{
throw new System.Exception("Only a single non-multithreaded processor is allowed");
}
// Set up path queue with the specified number of receivers
queue = new ThreadControlQueue(processors);
pathHandlers = new PathHandler[processors];
for (int i = 0; i < processors; i++)
{
pathHandlers[i] = new PathHandler(i, processors);
}
if (multithreaded)
{
#if UNITY_2017_3_OR_NEWER
profilingSampler = CustomSampler.Create("Calculating Path");
#endif
threads = new Thread[processors];
// Start lots of threads
for (int i = 0; i < processors; i++)
{
var pathHandler = pathHandlers[i];
threads[i] = new Thread(() => CalculatePathsThreaded(pathHandler));
threads[i].Name = "Pathfinding Thread " + i;
threads[i].IsBackground = true;
threads[i].Start();
}
}
else
{
// Start coroutine if not using multithreading
threadCoroutine = CalculatePaths(pathHandlers[0]);
}
}
public PathProcessor(AstarPath astar, PathReturnQueue returnQueue, int processors, bool multithreaded)
{
this.astar = astar;
this.returnQueue = returnQueue;
if (processors < 0)
{
throw new System.ArgumentOutOfRangeException("processors");
}
if (!multithreaded && processors != 1)
{
throw new System.Exception("Only a single non-multithreaded processor is allowed");
}
// Set up path queue with the specified number of receivers
queue = new ThreadControlQueue(processors);
threadInfos = new PathThreadInfo[processors];
for (int i = 0; i < processors; i++)
{
threadInfos[i] = new PathThreadInfo(i, astar, new PathHandler(i, processors));
}
if (multithreaded)
{
threads = new Thread[processors];
// Start lots of threads
for (int i = 0; i < processors; i++)
{
var threadIndex = i;
var thread = new Thread(() => CalculatePathsThreaded(threadInfos[threadIndex]));
thread.Name = "Pathfinding Thread " + i;
thread.IsBackground = true;
threads[i] = thread;
thread.Start();
}
}
else
{
// Start coroutine if not using multithreading
threadCoroutine = CalculatePaths(threadInfos[0]);
}
}
public PathProcessor(AstarPath astar, PathReturnQueue returnQueue, int processors, bool multithreaded)
{
this.astar = astar;
this.returnQueue = returnQueue;
if (processors < 0)
{
throw new ArgumentOutOfRangeException("processors");
}
if (!multithreaded && (processors != 1))
{
throw new Exception("Only a single non-multithreaded processor is allowed");
}
this.queue = new ThreadControlQueue(processors);
this.threadInfos = new PathThreadInfo[processors];
for (int i = 0; i < processors; i++)
{
this.threadInfos[i] = new PathThreadInfo(i, astar, new PathHandler(i, processors));
}
if (multithreaded)
{
this.threads = new Thread[processors];
for (int j = 0; j < processors; j++)
{
public PathProcessor (AstarPath astar, PathReturnQueue returnQueue, int processors, bool multithreaded) {
this.astar = astar;
this.returnQueue = returnQueue;
if (processors < 0) {
throw new System.ArgumentOutOfRangeException("processors");
}
if (!multithreaded && processors != 1) {
throw new System.Exception("Only a single non-multithreaded processor is allowed");
}
// Set up path queue with the specified number of receivers
queue = new ThreadControlQueue(processors);
threadInfos = new PathThreadInfo[processors];
for (int i = 0; i < processors; i++) {
threadInfos[i] = new PathThreadInfo(i, astar, new PathHandler(i, processors));
}
if (multithreaded) {
threads = new Thread[processors];
// Start lots of threads
for (int i = 0; i < processors; i++) {
var threadIndex = i;
var thread = new Thread (() => CalculatePathsThreaded(threadInfos[threadIndex]));
thread.Name = "Pathfinding Thread " + i;
thread.IsBackground = true;
threads[i] = thread;
thread.Start();
}
} else {
// Start coroutine if not using multithreading
threadCoroutine = CalculatePaths(threadInfos[0]);
}
}
/** Does simple error checking.
*/
public void VerifyIntegrity () {
if (active != this) {
throw new System.Exception ("Singleton pattern broken. Make sure you only have one AstarPath object in the scene");
}
if (astarData == null) {
throw new System.NullReferenceException ("AstarData is null... Astar not set up correctly?");
}
if (astarData.graphs == null) {
astarData.graphs = new NavGraph[0];
}
if (pathQueue == null && !Application.isPlaying) {
pathQueue = new ThreadControlQueue(0);
}
if (threadInfos == null && !Application.isPlaying) {
threadInfos = new PathThreadInfo[0];
}
//Dummy if, the getter does some error checking
if (IsUsingMultithreading) {
}
}
/** Sets up all needed variables and scans the graphs.
* Calls Initialize, starts the ReturnPaths coroutine and scans all graphs.
* Also starts threads if using multithreading
* \see #OnAwakeSettings */
public void Awake () {
//Very important to set this. Ensures the singleton pattern holds
active = this;
if (FindObjectsOfType (typeof(AstarPath)).Length > 1) {
Debug.LogError ("You should NOT have more than one AstarPath component in the scene at any time.\n" +
"This can cause serious errors since the AstarPath component builds around a singleton pattern.");
}
//Disable GUILayout to gain some performance, it is not used in the OnGUI call
useGUILayout = false;
isEditor = Application.isEditor;
if (OnAwakeSettings != null) {
OnAwakeSettings ();
}
//To make sure all graph modifiers have been enabled before scan (to avoid script run order issues)
GraphModifier.FindAllModifiers ();
RelevantGraphSurface.FindAllGraphSurfaces ();
int numThreads = CalculateThreadCount (threadCount);
// Trying to prevent simple modding to add support for more than one thread
if ( numThreads > 1 ) {
threadCount = ThreadCount.One;
numThreads = 1;
}
threads = new Thread[numThreads];
//Thread info, will contain at least one item since the coroutine "thread" is thought of as a real thread in this case
threadInfos = new PathThreadInfo[System.Math.Max(numThreads,1)];
//Set up path queue with the specified number of receivers
pathQueue = new ThreadControlQueue(threadInfos.Length);
for (int i=0;i<threadInfos.Length;i++) {
threadInfos[i] = new PathThreadInfo(i,this,new PathHandler());
}
for (int i=0;i<threads.Length;i++) {
threads[i] = new Thread (new ParameterizedThreadStart (CalculatePathsThreaded));
threads[i].Name = "Pathfinding Thread " + i;
threads[i].IsBackground = true;
}
//Start coroutine if not using multithreading
if (numThreads == 0) {
threadEnumerator = CalculatePaths (threadInfos[0]);
} else {
threadEnumerator = null;
}
//Start pathfinding threads
for (int i=0;i<threads.Length;i++) {
if (logPathResults == PathLog.Heavy)
Debug.Log ("Starting pathfinding thread "+i);
threads[i].Start (threadInfos[i]);
}
Thread graphUpdateThread = new Thread (new ParameterizedThreadStart(ProcessGraphUpdatesAsync));
graphUpdateThread.IsBackground = true;
graphUpdateThread.Start (this);
Initialize ();
// Flush work items, possibly added in initialize to load graph data
FlushWorkItems();
if (scanOnStartup) {
if (!astarData.cacheStartup || astarData.data_cachedStartup == null) {
Scan ();
}
}
}
