Sum repeated stage names

project/code/TMV/Mission.cs

@@ -74,7 +74,9 @@ public partial class Mission : Node3D
 	{
 		if (Build)
 		{
+			Timing.Reset();
 			Timing.TimeStage("Build", () => RebuildMap());
+			Timing.LogAll();
 			Build = false;
 		}
 		if (Clear)

project/code/TMV/Timing.cs

@@ -1,16 +1,24 @@
 using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 
 namespace KeepersCompound.TMV;
 
 public static class Timing
 {
+    static readonly Dictionary<string, TimeSpan> _stages = new();
+
+    public static void Reset()
+    {
+        _stages.Clear();
+    }
+
     public static void TimeStage(string stagename, Action action)
     {
         var watch = Stopwatch.StartNew();
         action();
         watch.Stop();
-        Godot.GD.Print($"[{stagename}]: {watch.Elapsed:g}");
+        AddOrIncrement(stagename, watch.Elapsed);
     }
 
     public static T TimeStage<T>(string stagename, Func<T> action)
@@ -18,7 +26,24 @@ public static class Timing
         var watch = Stopwatch.StartNew();
         var value = action();
         watch.Stop();
-        Godot.GD.Print($"[{stagename}]: {watch.Elapsed:g}");
+        AddOrIncrement(stagename, watch.Elapsed);
         return value;
     }
+
+    public static void LogAll()
+    {
+        foreach (var (stagename, time) in _stages)
+        {
+            Godot.GD.Print($"[{stagename}]: {time:g}");
+        }
+    }
+
+    private static void AddOrIncrement(string stagename, TimeSpan elapsed)
+    {
+        if (_stages.TryGetValue(stagename, out var time))
+        {
+            elapsed += time;
+        }
+        _stages[stagename] = elapsed;
+    }
 }