lib/engine/event.py

   1 from time import time
   2 from logging import info
   3 from lib.gameobject import EventColleague
   4 from lib.engine.joystick import JoystickMgr
   5
   6
   7 class EngineEvent(EventColleague):
   8
   9     def __init__(self, mediator, emulate_keyboard, functional_test):
  10         EventColleague.__init__(self, mediator)
  11         self.unpaused_time = 0
  12         self._prev_time = time()
  13         self.eng.add_task(self.__on_frame)
  14         taskMgr.setupTaskChain('unpausable')
  15         mth = self.__on_frame_unpausable
  16         taskMgr.add(mth, 'unpausable', taskChain='unpausable')
  17         self.joystick_mgr = JoystickMgr(emulate_keyboard, functional_test)
  18
  19     def __on_frame(self, task):  # unused task
  20         self.notify('on_start_frame')
  21         self.notify('on_frame')
  22         self.notify('on_end_frame')
  23         return self.eng.lib.task_cont
  24
  25     def __on_frame_unpausable(self, task):
  26         self.unpaused_time += time() - self._prev_time
  27         self._prev_time = time()
  28         try:
  29             self.notify('on_frame_unpausable')
  30             return task.cont
  31         except AttributeError: info("engine has been destroyed")
  32
  33     @staticmethod
  34     def key2desc(keystr):
  35         if not keystr.startswith('raw-'): return keystr
  36         keystr = keystr[4:]
  37         kmap = base.win.get_keyboard_map()
  38         virt_key = kmap.get_mapped_button(keystr)
  39         return (kmap.get_mapped_button_label(keystr) or str(virt_key)).lower()
  40
  41     @staticmethod
  42     def desc2key(desc):
  43         kmap = base.win.get_keyboard_map()
  44         for i in range(kmap.get_num_buttons()):
  45             if kmap.get_mapped_button_label(i).lower() == desc:
  46                 return str(kmap.get_mapped_button(i))
  47             return desc
  48
  49     def destroy(self):
  50         self.joystick_mgr.destroy()
  51         EventColleague.destroy(self)