draft out profilr markers

NewHorizons/Patches/ProfilerPatch.cs

@@ -0,0 +1,46 @@
+using HarmonyLib;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Reflection;
+
+namespace NewHorizons.Patches;
+
+/// <summary>
+/// attach profiler markers to important methods
+/// </summary>
+[HarmonyPatch]
+public static class ProfilerPatch
+{
+	[HarmonyTargetMethods]
+	public static IEnumerable<MethodBase> TargetMethods()
+	{
+		foreach (var type in Assembly.GetExecutingAssembly().GetTypes())
+		{
+			// only allow builders for now
+			if (!type.Name.EndsWith("Builder")) continue;
+
+			foreach (var method in type.GetMethods())
+			{
+				// make and init methods
+				if (!(method.Name.StartsWith("Make") || method.Name.StartsWith("Init"))) continue;
+
+				Main.Instance.ModHelper.Console.WriteLine($"[profiler] profiling method {method.DeclaringType.Name}.{method.Name}");
+				yield return method;
+			}
+		}
+	}
+
+	[HarmonyPrefix]
+	public static void Prefix(out Stopwatch __state)
+	{
+		__state = new Stopwatch();
+		__state.Start();
+	}
+
+	[HarmonyPostfix]
+	public static void Postfix(MethodBase __originalMethod, Stopwatch __state)
+	{
+		__state.Stop();
+		Main.Instance.ModHelper.Console.WriteLine($"[profiler] method {__originalMethod.DeclaringType.Name}.{__originalMethod.Name} took {__state.Elapsed.TotalMilliseconds} ms");
+	}
+}