Совместное создание игры

undefined4 WinMain(HINSTANCE param_1,undefined4 param_2,undefined4 param_3,int param_4)
 
{
  ATOM AVar1;
  HACCEL hAccTable;
  int iVar2;
  BOOL BVar3;
  ushort uVar4;
  WNDCLASSW local_50;
  tagMSG local_28;
  INITCOMMONCONTROLSEX local_c;
  
  DAT_01005b30 = param_1;
  FUN_01003ab0();
  if ((param_4 == 7) || (DAT_01005b38 = 0, param_4 == 2)) {
    DAT_01005b38 = 1;
  }
  local_c.dwSize = 8;
  local_c.dwICC = 0x16fd;
  InitCommonControlsEx(&local_c);
  _DAT_01005b28 = LoadIconW(DAT_01005b30,(LPCWSTR)0x64);
  local_50.style = 0;
  local_50.lpfnWndProc = FUN_01001bc9;
  local_50.cbClsExtra = 0;
  local_50.cbWndExtra = 0;
  local_50.hInstance = DAT_01005b30;
  local_50.hIcon = _DAT_01005b28;
  local_50.hCursor = LoadCursorW((HINSTANCE)0x0,(LPCWSTR)0x7f00);
  local_50.hbrBackground = (HBRUSH)GetStockObject(1);
  local_50.lpszMenuName = (LPCWSTR)0x0;
  local_50.lpszClassName = (LPCWSTR)&DAT_01005aa0;
  AVar1 = RegisterClassW(&local_50);
  if (AVar1 != 0) {
    DAT_01005a94 = LoadMenuW(DAT_01005b30,(LPCWSTR)0x1f4);
    hAccTable = LoadAcceleratorsW(DAT_01005b30,(LPCWSTR)0x1f5);
    FUN_01002bc2();
    DAT_01005b24 = CreateWindowExW(0,(LPCWSTR)&DAT_01005aa0,(LPCWSTR)&DAT_01005aa0,0xca0000,
                                   DAT_010056b0 - DAT_01005a90,DAT_010056b4 - DAT_01005b88,
                                   DAT_01005b2c + DAT_01005a90,DAT_01005b20 + DAT_01005b88,(HWND)0x0
                                   ,(HMENU)0x0,DAT_01005b30,(LPVOID)0x0);
    if (DAT_01005b24 == (HWND)0x0) {
      uVar4 = 1000;
    }
    else {
      FUN_01001950(1);
      iVar2 = FUN_01002b14();
      if (iVar2 != 0) {
        FUN_01003ce5(DAT_010056c4);
        FUN_0100367a();
        ShowWindow(DAT_01005b24,1);
        UpdateWindow(DAT_01005b24);
        DAT_01005b38 = 0;
        while (BVar3 = GetMessageW(&local_28,(HWND)0x0,0,0), BVar3 != 0) {
          iVar2 = TranslateAcceleratorW(DAT_01005b24,hAccTable,&local_28);
          if (iVar2 == 0) {
            TranslateMessage(&local_28);
            DispatchMessageW(&local_28);
          }
        }
        FUN_0100263c();
        if (DAT_0100515c == 0) {
          return local_28.wParam;
        }
        FUN_01002dab();
        return local_28.wParam;
      }
      uVar4 = 5;
    }
    FUN_01003950(uVar4);
  }
  return 0;
}