we love casting spells

ShadowWizardMoneyGangModule.cs

using System;
using System.Runtime.InteropServices;
using Dalamud.Hooking;
using FFXIVClientStructs.FFXIV.Client.Game.Character;
using Lumina.Excel;
using Stellaron.Impl;
using Stellaron.Util;
using Stellaron.Util.Audio;
using Action = Lumina.Excel.GeneratedSheets.Action;

namespace Stellaron.Modules.Funny;

// thank you jules notnite for most of this

[Module("Shadow Wizard Money Gang", ModuleCategory.Funny, "We love casting spells.")]
public unsafe class ShadowWizardMoneyGangModule : IModule
{
    private CachedSound swmg;

    private delegate void DOnActionUsed(
        uint source,
        Character* character,
        IntPtr position,
        IntPtr fxHeader,
        IntPtr fxArray,
        IntPtr fxTrail);
    
    private Hook<DOnActionUsed> actionUsedHook;

    private ExcelSheet<Action> action;

    public ShadowWizardMoneyGangModule()
    {
        swmg = AudioHelper.Instance.CacheFromData("swmg.wav");

        // https://github.com/Tischel/ActionTimeline/blob/master/ActionTimeline/Helpers/TimelineManager.cs#L86
        var actUsedSig = Service.SigScanner.ScanText(
            "40 55 53 57 41 54 41 55 41 56 41 57 48 8D AC 24 ?? ?? ?? ?? 48 81 EC ?? ?? ?? ?? 48 8B 05 ?? ?? ?? ?? 48 33 C4 48 89 45 70");
        actionUsedHook = Hook<DOnActionUsed>.FromAddress(actUsedSig, OnActionUsedDetour, false);

        action = Service.DataManager.GetExcelSheet<Action>()!;
    }

    private void OnActionUsedDetour(
        uint source,
        Character* character,
        IntPtr position,
        IntPtr fxHeader,
        IntPtr fxArray,
        IntPtr fxTrail)
    {
        actionUsedHook.Original(source, character, position, fxHeader, fxArray, fxTrail);

        var row = action.GetRow((uint)Marshal.ReadInt32(fxHeader, 8));
        if (row == null)
            return;

        if (row.ActionCategory.Row != 9u) // limit break
            return;
        
        AudioHelper.Instance.PlayOneshot(swmg);
    }
    
    public void OnEnable()
    {
        actionUsedHook.Enable();
    }

    public void OnDisable()
    {
        actionUsedHook.Disable();
    }

    public void DrawUi()
    {
    }
}