Performance Fish

2022-10-24 18:24:02 +02:00
parent 594b32b4ef
commit 2efa8e466c
69 changed files with 9147 additions and 3 deletions
@@ -0,0 +1,43 @@
+// Copyright (c) 2022 bradson
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
+using System.Linq;
+using static System.Reflection.Emit.OpCodes;
+
+namespace PerformanceFish;
+
+public class HediffComp_PsychicHarmonizer_Bugfix : ClassWithFishPatches
+{
+	public class CompPostTick_Patch : FishPatch
+	{
+		public override string Description => "Fixes a bug in the psychic harmonizer tick method that was causing it to recalculate results on 149 out of 150 ticks instead of once every 150 ticks. Large impact.";
+		public override MethodBase TargetMethodInfo => AccessTools.Method(typeof(HediffComp_PsychicHarmonizer), nameof(HediffComp_PsychicHarmonizer.CompPostTick));
+		public static CodeInstructions Transpiler(CodeInstructions CodeInstructions)
+		{
+			var codes = CodeInstructions.ToList();
+			var pawn_int_IsHashIntervalTick = FishTranspiler.Call<Func<Thing, int, bool>>(Gen.IsHashIntervalTick);
+			var success = false;
+			for (var i = 0; i < codes.Count; i++)
+			{
+				if (i + 2 < codes.Count && codes[i].opcode == Ldc_I4 && codes[i + 1] == pawn_int_IsHashIntervalTick && codes[i + 2].opcode == Brfalse_S)
+				{
+					//codes[i].operand = 128;
+					yield return codes[i];
+					yield return codes[i + 1];
+					codes[i + 2].opcode = Brtrue_S;
+					yield return codes[i + 2];
+					success = true;
+					i += 2;
+				}
+				else
+				{
+					yield return codes[i];
+				}
+			}
+			if (!success)
+				Log.Warning("Performance Fish failed to insert its Psychic Harmonizer Tick bugfix. This is probably harmless and likely just means someone else fixed it already");
+		}
+	}
+}