using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace WoWSharp.WoW.Impl
{
    public class GxDevice
    {

        public static GxDevice Instance
        {
            get
            {
                IntPtr l_Instance = Memory.MemoryContext.Read<IntPtr>(Patchables.Offsets.GxDevice.g_theGxDevicePtr, true);

                return l_Instance != IntPtr.Zero ? new GxDevice(l_Instance) : null;
            }
        }

        public enum RendererType : int
        {
            OpenGL,
            Direct3D9,
            Direct3D11,
            GLL,
            MTL
        }

        public IntPtr Pointer { get; }

        public GxDevice(IntPtr p_Pointer)
        {
            Pointer = p_Pointer;
        }

        public RendererType Type => Memory.MemoryContext.Read<RendererType>(Pointer + Patchables.Offsets.GxDevice.m_DeviceType);
    }

    public class GxDeviceDirect3D9 : GxDevice
    {

        public GxDeviceDirect3D9(IntPtr p_Pointer)
            : base(p_Pointer)
        {

        }

        public IntPtr DevicePointer => Memory.MemoryContext.Read<IntPtr>(Pointer + Patchables.Offsets.GxDeviceDirect3D9.m_pDevice);
    }

    public class GxDeviceDirect3D11 : GxDevice
    {

        public GxDeviceDirect3D11(IntPtr p_Pointer)
            : base(p_Pointer)
        {

        }

        public IntPtr SwapChainPointer => Memory.MemoryContext.Read<IntPtr>(Pointer + Patchables.Offsets.GxDeviceDirect3D11.m_pSwapChain);

        public IntPtr DevicePointer => Memory.MemoryContext.Read<IntPtr>(Pointer + Patchables.Offsets.GxDeviceDirect3D11.m_pDevice);

        public IntPtr DeviceContextPointer => Memory.MemoryContext.Read<IntPtr>(Pointer + Patchables.Offsets.GxDeviceDirect3D11.m_pDeviceContext);

    }
}