helpers/action.py

   1 import pygame
   2 import time
   3
   4 class Action:
   5     action_types = [
   6         'command',
   7         'pause',
   8         'play',
   9         'stop',
  10         'stop_all_actions',
  11         'volume',
  12         'wait',
  13     ]
  14
  15     def __init__(self, action, key, **kwargs):
  16         if action in self.action_types:
  17             self.action = action
  18         else:
  19             raise Exception("Unknown action {}".format(action))
  20
  21         self.key = key
  22         self.arguments = kwargs
  23
  24     def ready(self):
  25         if 'music' in self.arguments:
  26             return self.arguments['music'].loaded
  27         else:
  28             return True
  29
  30     def run(self):
  31         print(getattr(self, self.action + "_print")(**self.arguments))
  32         return getattr(self, self.action)(**self.arguments)
  33
  34     def command(self, command = "", **kwargs):
  35         pass
  36
  37     def pause(self, music = None, **kwargs):
  38         if music is not None:
  39             music.pause()
  40         else:
  41             pygame.mixer.pause()
  42
  43     def play(self, music = None, fade_in = 0, start_at = 0,
  44             restart_if_running = False, volume = 100, **kwargs):
  45         if music is not None:
  46             music.play()
  47         else:
  48             pygame.mixer.unpause()
  49
  50     def stop(self, music = None, fade_out = 0, **kwargs):
  51         if music is not None:
  52             music.stop()
  53         else:
  54             pygame.mixer.stop()
  55
  56     def stop_all_actions(self, **kwargs):
  57         self.key.mapping.stop_all_running()
  58
  59     def volume(self, music = None, value = 100, **kwargs):
  60         pass
  61
  62     def wait(self, duration = 0, **kwargs):
  63         time.sleep(duration)
  64
  65     def command_print(self, command = "", **kwargs):
  66         return "running command {}".format(command)
  67
  68     def pause_print(self, music = None, **kwargs):
  69         if music is not None:
  70             return "pausing {}".format(music.filename)
  71         else:
  72             return "pausing all musics"
  73
  74     def play_print(self, music = None, fade_in = 0, start_at = 0,
  75             restart_if_running = False, volume = 100, **kwargs):
  76         message = "starting "
  77         if music is not None:
  78             message += music.filename
  79         else:
  80             message += "music"
  81
  82         if start_at != 0:
  83             message += " at {}s".format(start_at)
  84
  85         if fade_in != 0:
  86             message += " with {}s fade_in".format(fade_in)
  87
  88         message += " at volume {}%".format(volume)
  89
  90         if restart_if_running:
  91             message += " (restarting if already running)"
  92
  93         return message
  94
  95     def stop_print(self, music = None, fade_out = 0, **kwargs):
  96         if music is not None:
  97             if fade_out == 0:
  98                 return "stopping music {}".format(music.filename)
  99             else:
 100                 return "stopping music {} with {}s fadeout".format(music.filename, fade_out)
 101         else:
 102             if fade_out == 0:
 103                 return "stopping all musics"
 104             else:
 105                 return "stopping all musics with {}s fadeout".format(fade_out)
 106
 107     def stop_all_actions_print(self):
 108         return "stopping all actions"
 109
 110     def volume_print(self, music = None, value = 100, *kwargs):
 111         if music is not None:
 112             return "setting volume of {} to {}%".format(music.filename, value)
 113         else:
 114             return "setting volume to {}%".format(value)
 115
 116     def wait_print(self, duration, **kwargs):
 117         return "waiting {}s".format(duration)
 118
 119