Decrease target rectpacking density

project/code/TMV/Mission.cs

@@ -221,7 +221,11 @@ public partial class Mission : Node3D
 			}
 		}
 
-		var lightmapTexture = BuildLightmapTexture(cells, packingRects.ToArray(), rectDataMap, surfaceDataMap);
+		var lightmapTexture = Timing.TimeStage("Build Lightmap", () =>
+		{
+			return BuildLightmapTexture(cells, packingRects.ToArray(), rectDataMap, surfaceDataMap);
+		});
+
 		foreach (var (textureId, surface) in surfaceDataMap)
 		{
 			if (surface.Empty)
@@ -273,7 +277,12 @@ public partial class Mission : Node3D
 
 	private static Texture BuildLightmapTexture(WorldRep.Cell[] cells, PackingRectangle[] packingRects, Dictionary<int, LightmapRectData> rectDataMap, Dictionary<int, MeshSurfaceData> surfaceDataMap)
 	{
-		RectanglePacker.Pack(packingRects, out var bounds);
+		var bounds = Timing.TimeStage("RectPack", () =>
+		{
+			RectanglePacker.Pack(packingRects, out var bounds, PackingHints.FindBest, 0);
+			return bounds;
+		});
+		GD.Print($"Creating lightmap with bounds: ({bounds.Width}, {bounds.Height})");
 		var image = Image.CreateEmpty((int)bounds.Width, (int)bounds.Height, false, Image.Format.Rgba8);
 		foreach (var rect in packingRects)
 		{

project/code/TMV/Timing.cs

@@ -12,4 +12,13 @@ public static class Timing
         watch.Stop();
         Godot.GD.Print($"[{stagename}]: {watch.Elapsed:g}");
     }
+
+    public static T TimeStage<T>(string stagename, Func<T> action)
+    {
+        var watch = Stopwatch.StartNew();
+        var value = action();
+        watch.Stop();
+        Godot.GD.Print($"[{stagename}]: {watch.Elapsed:g}");
+        return value;
+    }
 }