Mainly more hauling optimizations, utilizing linked storage groups

This also adds an experimental, usually slower, threaded gas grid mode and implements a workaround for the whole mod and game failing to start when opening prepatcher's mod manager with unfortunate timing

Source/PerformanceFish/PrepatcherFields.cs

@@ -74,6 +74,11 @@ public static class PrepatcherFields
 	[MethodImpl(MethodImplOptions.AggressiveInlining)]
 	public static extern GasGridOptimization.ParallelGasGrid[] ParallelGasGrids(this GasGrid gasGrid);
 
+	[PrepatcherField]
+	[ValueInitializer(nameof(CreateGroupMonitorObject))]
+	[MethodImpl(MethodImplOptions.AggressiveInlining)]
+	public static extern object GasGridMonitorObject(this Map map);
+
 	[PrepatcherField]
 	[MethodImpl(MethodImplOptions.AggressiveInlining)]
 	public static extern ref Texture2D? ExpandingIconCache(this WorldObject worldObject);
@@ -151,6 +156,9 @@ public static class PrepatcherFields
 	public static Listers.Haulables.Cache CreateListerHaulablesCache() => new();
 	public static HaulDestinationManagerCache CreateHaulDestinationManagerCache() => new();
 
+	public static object CreateGroupMonitorObject()
+		=> ParallelNoAlloc.RegisterBackgroundWaitingWorkers(Array.Empty<Action>());
+
 	public static GasGridOptimization.ParallelGasGrid[] CreateParallelGasGridArray(GasGrid gasGrid)
 	{
 		DefDatabase<GasDef>.SetIndices();
@@ -185,6 +193,17 @@ public static class PrepatcherFields
 		for (var i = 0; i < grids.Length; i++)
 			grids[i] = new(map, gasDefs[i]);
 
+		if (FishSettings.ThreadingEnabled)
+		{
+			var monitorObject = map.GasGridMonitorObject();
+		
+			for (var i = 1; i < grids.Length; i++)
+			{
+				var grid = grids[i];
+				ParallelNoAlloc.RegisterBackgroundWaitingWorker(monitorObject, () => grid.Tick());
+			}
+		}
+
 		return grids;
 	}