text: # SOURCE: https://pythonprogramming.net/direct-input-game-python-plays-gta-v/
  # and
  # https://github.com/Sentdex/pygta5/blob/master/Tutorial%20Codes/Part%201-7/directkeys.py
  
  # direct inputs
  # source to this solution and code:
  # http://stackoverflow.com/questions/14489013/simulate-python-keypresses-for-controlling-a-game
  # http://www.gamespp.com/directx/directInputKeyboardScanCodes.html
  
  import ctypes
  import time
  
  SendInput = ctypes.windll.user32.SendInput
  
  
  W = 0x11
  A = 0x1E
  S = 0x1F
  D = 0x20
  
  # C struct redefinitions 
  PUL = ctypes.POINTER(ctypes.c_ulong)
  class KeyBdInput(ctypes.Structure):
      _fields_ = [("wVk", ctypes.c_ushort),
                  ("wScan", ctypes.c_ushort),
                  ("dwFlags", ctypes.c_ulong),
                  ("time", ctypes.c_ulong),
                  ("dwExtraInfo", PUL)]
  
  class HardwareInput(ctypes.Structure):
      _fields_ = [("uMsg", ctypes.c_ulong),
                  ("wParamL", ctypes.c_short),
                  ("wParamH", ctypes.c_ushort)]
  
  class MouseInput(ctypes.Structure):
      _fields_ = [("dx", ctypes.c_long),
                  ("dy", ctypes.c_long),
                  ("mouseData", ctypes.c_ulong),
                  ("dwFlags", ctypes.c_ulong),
                  ("time",ctypes.c_ulong),
                  ("dwExtraInfo", PUL)]
  
  class Input_I(ctypes.Union):
      _fields_ = [("ki", KeyBdInput),
                   ("mi", MouseInput),
                   ("hi", HardwareInput)]
  
  class Input(ctypes.Structure):
      _fields_ = [("type", ctypes.c_ulong),
                  ("ii", Input_I)]
  
  # Actuals Functions
  
  def PressKey(hexKeyCode):
      extra = ctypes.c_ulong(0)
      ii_ = Input_I()
      ii_.ki = KeyBdInput( 0, hexKeyCode, 0x0008, 0, ctypes.pointer(extra) )
      x = Input( ctypes.c_ulong(1), ii_ )
      ctypes.windll.user32.SendInput(1, ctypes.pointer(x), ctypes.sizeof(x))
  
  def ReleaseKey(hexKeyCode):
      extra = ctypes.c_ulong(0)
      ii_ = Input_I()
      ii_.ki = KeyBdInput( 0, hexKeyCode, 0x0008 | 0x0002, 0, ctypes.pointer(extra) )
      x = Input( ctypes.c_ulong(1), ii_ )
      ctypes.windll.user32.SendInput(1, ctypes.pointer(x), ctypes.sizeof(x))
  