using HarmonyLib;
using System.Reflection;

[HarmonyPatch(typeof(CharacterMovement), "GetMovementForce")]
public static class Speed
{
    private static readonly FieldInfo character = typeof(CharacterMovement).GetField("character", BindingFlags.NonPublic | BindingFlags.Instance);

    public static void Postfix(CharacterMovement __instance, ref float __result)
    {
        if (ReferenceEquals(character.GetValue(__instance), Character.localCharacter))
        {
            __result *= 5F;
        }
    }
}