RoulTest.cs

using Dalamud.Game.Command;
using Dalamud.Plugin;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Numerics;
using System.Runtime.InteropServices;
using Dalamud.Data;
using Dalamud.Game;
using Dalamud.Utility;
using ImGuiNET;
using Lumina.Excel.GeneratedSheets;

namespace Whoops;

public class RoulTest : IDalamudPlugin
{

    private delegate byte IsRouletteRewardAvailablePrototype(IntPtr unknown, byte rouletteType);
    
    private readonly IsRouletteRewardAvailablePrototype _isRouletteRewardAvailable;
    private readonly IntPtr RouletteRewardThisPtr;
    
    public string Name => "RoulTest";
    private const string CommandName = "/roul";

    private readonly CommandManager _cmdMgr;
    private readonly DalamudPluginInterface _pi;
    private bool _uiVisible;

    private readonly Dictionary<uint, ContentRoulette> _contentRoulette;

    public RoulTest(
        CommandManager cmdMgr,
        DataManager dataMgr,
        SigScanner sigScanner,
        DalamudPluginInterface pluginInterface)
    {
        _cmdMgr = cmdMgr;
        _pi = pluginInterface;
        
        cmdMgr.AddHandler(CommandName, new CommandInfo(OnCommand)
        {
            HelpMessage = "/roul"
        });

        var isRouletteRewardAvailableSig = "48 83 EC 28 84 D2 75 07 32 C0";
        var isRouletteRewardAvailablePtr = sigScanner.ScanText(isRouletteRewardAvailableSig);
        _isRouletteRewardAvailable = Marshal.GetDelegateForFunctionPointer<IsRouletteRewardAvailablePrototype>(isRouletteRewardAvailablePtr);

        var rouletteRewardThisPtrSig = "48 8D 0D ?? ?? ?? ?? E8 ?? ?? ?? ?? 84 C0 74 0C 48 8D 4C 24";
        RouletteRewardThisPtr = sigScanner.GetStaticAddressFromSig(rouletteRewardThisPtrSig);

        _contentRoulette = dataMgr.GetExcelSheet<ContentRoulette>().ToDictionary(k => k.RowId, v => v);

        _pi.UiBuilder.Draw += DrawUI;
        _pi.UiBuilder.DisableAutomaticUiHide = true;
        _pi.UiBuilder.DisableCutsceneUiHide = true;
        _pi.UiBuilder.DisableGposeUiHide = true;
        _pi.UiBuilder.DisableUserUiHide = true;
        _pi.UiBuilder.OpenConfigUi += DrawConfigUI;
    }

    private byte IsRouletteRewardAvailable(byte type)
    {
        return _isRouletteRewardAvailable(RouletteRewardThisPtr, type);
    }

    public void Dispose()
    {
        _cmdMgr.RemoveHandler(CommandName);
    }

    private void OnCommand(string command, string args)
    {
        _uiVisible = !_uiVisible;
    }

    private void DrawConfigUI()
    {
        _uiVisible = true;
    }

    private void DrawUI()
    {
        Draw();
    }

    public void Draw()
    {
        DrawMainWindow();
    }

    public void DrawMainWindow()
    {
        if (!_uiVisible) return;

        if (!ImGui.Begin("Roulette", ref _uiVisible))
        {
            ImGui.End();
            return;
        }

        if (ImGui.CollapsingHeader("Roulette Reward"))
        {
            ImGui.BeginChild("scrolling##roul", new Vector2(0, 0), false, ImGuiWindowFlags.HorizontalScrollbar);

            ImGui.PushStyleVar(ImGuiStyleVar.ItemSpacing, new Vector2(0, 0));

            for (uint i = 0; i < _contentRoulette.Count; i++)
            {
                var roul = _contentRoulette[i];
                var name = roul.Name.ToDalamudString().TextValue;
                if (name.IsNullOrEmpty()) continue;

                var avail = IsRouletteRewardAvailable((byte)i) == 0 ? "No" : "Yes";
                ImGui.Text($"{name}: {avail}");
            }
            
            ImGui.PopStyleVar();
            ImGui.EndChild();
        }

        ImGui.End();
    }
}