Dalamud/Dalamud/Game/Internal/Gui/GameGuiAddressResolver.cs

using System;
using System.Runtime.InteropServices;

namespace Dalamud.Game.Internal.Gui {
    public sealed class GameGuiAddressResolver : BaseAddressResolver {
        public IntPtr BaseAddress { get; private set; }
        
        public IntPtr ChatManager { get; private set; }
        
        public GameGuiAddressResolver(IntPtr baseAddress) {
            BaseAddress = baseAddress;
        }
        
        [UnmanagedFunctionPointer(CallingConvention.ThisCall)]
        private delegate IntPtr GetChatManagerDelegate(IntPtr guiManager);

        protected override void SetupInternal(SigScanner scanner) {
            // Xiv__UiManager__GetChatManager   000   lea     rax, [rcx+13E0h]
            // Xiv__UiManager__GetChatManager+7 000   retn
            ChatManager = BaseAddress + 0x13E0;
        }

        protected override void Setup64Bit(SigScanner sig) {
            // Do nothing, still required.
        }
    }
}