Trouble replacing ImpactSomething in Verse.Projectile

[venner]

Hi all,

I'm trying to replace ImpactSomething in Verse.Projectile with my own method. I'm using Harmony. Here's my code:

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using Verse;
using Harmony;
using RimWorld;
using System.Linq;
using System;
using System.Reflection;
using UnityEngine;
using System.Collections.Generic;

namespace NoFriendlyFire
{
    [StaticConstructorOnStartup]
    class Main
    {
        static Main()
        {
            Log.Message("Patching");
            var harmony = HarmonyInstance.Create("venner.io.nofriendlyfire");
            harmony.PatchAll(Assembly.GetExecutingAssembly());
        }
    }

    [HarmonyPatch(typeof(Verse.Projectile), "ImpactSomething")]
    public static class NoFriendlyFirePatch
    {
       
        // Harmony stuff

        static void Prefix()
        {
            Log.Message("This works for some reason, but it's not what I need.");
        }

        static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstruction> instructions)
        {
            Log.Message("Replacing method");
            MethodBase from = typeof(Verse.Projectile).GetMethod("ImpactSomething", AccessTools.all);
            MethodBase to = typeof(NoFriendlyFirePatch).GetMethod("ImpactSomethingElse", AccessTools.all);
            return instructions.MethodReplacer(from, to);
        }

        // NoFriendlyFire method

        static void ImpactSomethingElse()
        {
            Log.Message("I would appreciate it if you actually worked");
        }

    }

}

It does not work. There's no errors. The "Patching" and "Replacing method" appear in console when the game is opened. "This works for some reason, but it's not what I need." appears when a projectile hits a pawn. "I would appreciate it if you actually worked" does not appear at all. Why is this? I've searched all over GitHub for a solution to this problem with no avail.