Pathfinder parallel change (#18736)

Content.Server/NPC/Pathfinding/PathfindingSystem.Grid.cs

@@ -84,7 +84,7 @@ public sealed partial class PathfindingSystem
         component.Chunks.Clear();
     }
 
-    private void UpdateGrid()
+    private void UpdateGrid(ParallelOptions options)
     {
         if (PauseUpdating)
             return;
@@ -94,10 +94,6 @@ public sealed partial class PathfindingSystem
         var updateCount = 0;
 #endif
         _stopwatch.Restart();
-        var options = new ParallelOptions()
-        {
-            MaxDegreeOfParallelism = 1,
-        };
 
         // We defer chunk updates because rebuilding a navmesh is hella costly
         // Still run even when paused.
@@ -157,10 +153,9 @@ public sealed partial class PathfindingSystem
                 var doorQuery = GetEntityQuery<DoorComponent>();
                 var climbableQuery = GetEntityQuery<ClimbableComponent>();
                 var fixturesQuery = GetEntityQuery<FixturesComponent>();
-                var physicsQuery = GetEntityQuery<PhysicsComponent>();
                 var xformQuery = GetEntityQuery<TransformComponent>();
                 BuildBreadcrumbs(dirt[i], mapGridComp, accessQuery, destructibleQuery, doorQuery, climbableQuery,
-                    fixturesQuery, physicsQuery, xformQuery);
+                    fixturesQuery, xformQuery);
             });
 
             const int Division = 4;
@@ -427,7 +422,6 @@ public sealed partial class PathfindingSystem
         EntityQuery<DoorComponent> doorQuery,
         EntityQuery<ClimbableComponent> climbableQuery,
         EntityQuery<FixturesComponent> fixturesQuery,
-        EntityQuery<PhysicsComponent> physicsQuery,
         EntityQuery<TransformComponent> xformQuery)
     {
         var sw = new Stopwatch();

Content.Server/NPC/Pathfinding/PathfindingSystem.cs

@@ -85,12 +85,18 @@ namespace Content.Server.NPC.Pathfinding
         public override void Update(float frameTime)
         {
             base.Update(frameTime);
-            UpdateGrid();
+            var options = new ParallelOptions()
+            {
+                MaxDegreeOfParallelism = _parallel.ParallelProcessCount,
+            };
+
+            UpdateGrid(options);
             _stopwatch.Restart();
             var amount = Math.Min(PathTickLimit, _pathRequests.Count);
             var results = ArrayPool<PathResult>.Shared.Rent(amount);
 
-            Parallel.For(0, amount, i =>
+
+            Parallel.For(0, amount, options, i =>
             {
                 // If we're over the limit (either time-sliced or hard cap).
                 if (_stopwatch.Elapsed >= PathTime)

Content.Server/NPC/Systems/NPCSteeringSystem.cs

@@ -254,7 +254,7 @@ public sealed partial class NPCSteeringSystem : SharedNPCSteeringSystem
         // Dependency issues across threads.
         var options = new ParallelOptions
         {
-            MaxDegreeOfParallelism = _parallel.ParallelProcessCount,
+            MaxDegreeOfParallelism = 1,
         };
         var curTime = _timing.CurTime;