private void ResolveQueue()
{
if (runningQueries.Count >= MAXIMUM_SIMULTANEOUS_QUERY)
{
return;
}
PathQueryData query = pathQueryQueue.Dequeue();
NativeArray <PathNode> grid = new NativeArray <PathNode>(gridNodesPool.Dequeue(), Allocator.Temp);
int queryID = queryIDs[0];
queryIDs.RemoveAtSwapBack(0);
query.QueryID = queryID;
PathQueryJob pathQueryJob = new PathQueryJob()
{
StartPosition = query.StartPosition,
EndPosition = query.EndPosition,
Grid = grid,
GridSize = gridSize,
NeighboursOffset = NEIGHBOURS_OFFSET,
QueryID = queryID
};
runningJobs.Add(pathQueryJob);
runningQueriesJobHandle.Add(pathQueryJob.Schedule());
runningQueries.Add(query);
}
private PathQueryData GetPathQueryById(int jobID)
{
for (var i = 0; i < runningQueries.Count; i++)
{
PathQueryData pathQueryData = runningQueries[i];
if (pathQueryData.QueryID == jobID)
{
return(pathQueryData);
}
}
return(new PathQueryData());
}
private IEnumerator CheckForJobCompletionEnumerator()
{
while (true)
{
bool tryToResolveQueue = false;
for (var i = runningQueriesJobHandle.Count - 1; i >= 0; i--)
{
JobHandle jobHandle = runningQueriesJobHandle[i];
if (!jobHandle.IsCompleted)
{
continue;
}
jobHandle.Complete();
PathQueryJob pathQueryJob = runningJobs[i];
PathQueryData queryData = GetPathQueryById(pathQueryJob.QueryID);
//cannot find the query by the path ID
if (queryData.QueryID == -1)
{
continue;
}
PathResultData pathResult = new PathResultData(
(PathQueryResult)pathQueryJob.PathResult[0],
queryData.StartPosition,
queryData.EndPosition,
pathQueryJob.ResultPath.ToArray());
pathQueryJob.ResultPath.Dispose();
pathQueryJob.PathResult.Dispose();
runningQueriesJobHandle.RemoveAtSwapBack(i);
runningJobs.RemoveAtSwapBack(i);
runningQueries.RemoveAtSwapBack(i);
gridNodesPool.Enqueue(pathQueryJob.Grid.ToArray());
queryIDs.Add(pathQueryJob.QueryID);
queryData.Callback?.Invoke(pathResult);
tryToResolveQueue = true;
}
if (tryToResolveQueue)
{
ResolveQueue();
}
yield return(null);
}
}
private void AddToQueue(PathQueryData pathQueryData)
{
pathQueryQueue.Enqueue(pathQueryData);
ResolveQueue();
}