#pragma region CPL License
/*
Nuclex Engine
Copyright (C) 2002-2008 Nuclex Development Labs

This library is free software; you can redistribute it and/or
modify it under the terms of the IBM Common Public License as
published by the IBM Corporation; either version 1.0 of the
License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
IBM Common Public License for more details.

You should have received a copy of the IBM Common Public
License along with this library
*/
#pragma endregion

#ifndef NUCLEX_PLUGINS_DIRECTINPUT8_DIRECTINPUT8PLUGIN_H
#define NUCLEX_PLUGINS_DIRECTINPUT8_DIRECTINPUT8PLUGIN_H

#include "Nuclex/Nuclex.h"

#ifndef NUCLEX_WIN32
#error This plugin only works on the win32 platform
#endif

#include "Nuclex/Video/Surface.h"
#include "Nuclex/Support/Exception.h"
#include "Nuclex/Support/String.h"
#include "Nuclex/Input/InputDevice.h"

// #include "MemoryTracker/DisableMemoryTracker.h"
#include <comdef.h>
#define DIRECTINPUT_VERSION 0x0800
#include <dinput.h>
#include <dxerr9.h>
// #include "MemoryTracker/MemoryTracker.h"

// The following block will decide whether symbols are imported from a
// dll (client app) or exported to a dll (nuclex library).
// The DIRECTINPUT8PLUGIN_EXPORTS symbol should only be used for compiling
// the Nuclex.Plugins.DirectInput8 library and nowhere else.
//
#ifdef DIRECTINPUT8PLUGIN_EXPORTS
  #define DIRECTINPUT8PLUGIN_API __declspec(dllexport)
#else
  #define DIRECTINPUT8PLUGIN_API __declspec(dllimport)
#endif

_COM_SMARTPTR_TYPEDEF(IDirectInputDevice8, IID_IDirectInputDevice8);

namespace Nuclex { namespace Input {

  // ------------------------------------------------------------------------------------------- //

  /// <summary>Returns the global DirectInput8 instance</summary>
  /// <returns>The global DirectInput8 instance</summary>
  DIRECTINPUT8PLUGIN_API IDirectInput8 *getDirectInput8();

  // ------------------------------------------------------------------------------------------- //

  /// <summary>Checks the return values of Direct3D API methods</summary>
  /// <param name="pszSource">Source of the call</param>
  /// <param name="pszMethod">Method being called</param>
  /// <param name="hResult">Method result code</param>
  static inline void DInputCheck(
    const char *pszSource, const char *pszMethod, const HRESULT hResult
  ) {
    if(FAILED(hResult)) {
      throw UnexpectedException(
        pszSource,
        string("Unexpected failure in ") + pszMethod + ": " + DXGetErrorString9A(hResult)
      );
    }
  }

  // ------------------------------------------------------------------------------------------- //

  /// <summary>Converts a direct input device type into a nuclex device type</summary>
  /// <param name="dwDevType">Device type to convert</param>
  /// <returns>The nuclex device type</returns>
  static inline InputDevice::Type InputDeviceTypeFromDInputDevType(DWORD dwDevType) {
    switch(dwDevType) {
      case DI8DEVTYPE_DRIVING: return InputDevice::T_WHEEL;
      case DI8DEVTYPE_GAMEPAD: return InputDevice::T_GAMEPAD;
      case DI8DEVTYPE_JOYSTICK: return InputDevice::T_JOYSTICK;
      case DI8DEVTYPE_KEYBOARD: return InputDevice::T_KEYBOARD;
      case DI8DEVTYPE_MOUSE: return InputDevice::T_MOUSE;
      default: return InputDevice::T_UNKNOWN;
    }
  }

  // ------------------------------------------------------------------------------------------- //

}} // namespace Nuclex::Input

#endif // NUCLEX_PLUGINS_DIRECTINPUT8_DIRECTINPUT8PLUGIN_H