lib/engine/pause.py

   1 from direct.gui.DirectFrame import DirectFrame
   2 from lib.gameobject import GuiColleague, LogicColleague, GameObject, \
   3     Colleague
   4 from lib.lib.p3d.pause import P3dPause
   5 LibPause = P3dPause
   6
   7
   8 class PauseGui(GuiColleague):
   9
  10     def __init__(self, mediator):
  11         GuiColleague.__init__(self, mediator)
  12         self.pause_frm = None
  13
  14     def toggle(self, show_frm=True):
  15         if not self.mediator.logic._pause.paused:
  16             #TODO: don't access protected members
  17             if show_frm:
  18                 self.pause_frm = DirectFrame(frameColor=(.3, .3, .3, .7),
  19                                              frameSize=(-1.8, 1.8, -1, 1))
  20         else:
  21             if self.pause_frm: self.pause_frm.destroy()
  22
  23     def destroy(self):
  24         if self.pause_frm: self.pause_frm = self.pause_frm.destroy()
  25         GuiColleague.destroy(self)
  26
  27
  28 class PauseLogic(LogicColleague):
  29
  30     def __init__(self, mediator):
  31         LogicColleague.__init__(self, mediator)
  32         self._pause = LibPause()
  33
  34     def remove_task(self, tsk):
  35         self._pause.remove_task(tsk)
  36
  37     def pause(self):
  38         self.notify('on_pause')
  39         return self._pause.pause()
  40
  41     def resume(self):
  42         self.notify('on_resume')
  43         return self._pause.resume()
  44
  45     def toggle(self, show_frm=True):
  46         self.mediator.gui.toggle(show_frm)
  47         (self.resume if self._pause.paused else self.pause)()
  48
  49     def destroy(self):
  50         self._pause.destroy()
  51         LogicColleague.destroy(self)
  52
  53
  54 class PauseFacade:
  55
  56     @property
  57     def paused(self):
  58         return self.logic._pause.paused
  59         #TODO: don't access protected members
  60
  61
  62 class PauseMgr(GameObject, Colleague, PauseFacade):
  63
  64     def __init__(self, mediator):
  65         GameObject.__init__(self)
  66         Colleague.__init__(self, mediator)
  67         self.gui = PauseGui(self)
  68         self.logic = PauseLogic(self)
  69
  70     def remove_task(self, tsk):
  71         return self.logic.remove_task(tsk)
  72
  73     def destroy(self):
  74         self.gui = self.gui.destroy()
  75         self.logic = self.logic.destroy()
  76         GameObject.destroy(self)
  77         Colleague.destroy(self)