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         'unpause',
  12         'volume',
  13         'wait',
  14     ]
  15
  16     def __init__(self, action, key, **kwargs):
  17         if action in self.action_types:
  18             self.action = action
  19         else:
  20             raise Exception("Unknown action {}".format(action))
  21
  22         self.key = key
  23         self.arguments = kwargs
  24
  25     def ready(self):
  26         if 'music' in self.arguments:
  27             return self.arguments['music'].loaded
  28         else:
  29             return True
  30
  31     def run(self):
  32         print(self.description())
  33         getattr(self, self.action)(**self.arguments)
  34
  35     def description(self):
  36         return getattr(self, self.action + "_print")(**self.arguments)
  37
  38     def command(self, command = "", **kwargs):
  39         pass
  40
  41     def pause(self, music = None, **kwargs):
  42         if music is not None:
  43             music.pause()
  44         else:
  45             for music in self.key.parent.open_files.values():
  46                 if music.is_playing() and not music.is_paused():
  47                     music.pause()
  48
  49     def unpause(self, music = None, **kwargs):
  50         if music is not None:
  51             music.unpause()
  52         else:
  53             for music in self.key.parent.open_files.values():
  54                 if music.is_playing() and music.is_paused():
  55                     music.unpause()
  56
  57     def play(self, music = None, fade_in = 0, start_at = 0,
  58             restart_if_running = False, volume = 100, **kwargs):
  59         if music is not None:
  60             if restart_if_running:
  61                 if music.is_playing():
  62                     music.stop()
  63                 music.play(volume = volume, fade_in = fade_in, start_at = start_at)
  64             else:
  65                 if not music.is_playing():
  66                     music.play(volume = volume, fade_in = fade_in, start_at = start_at)
  67         else:
  68             pygame.mixer.unpause()
  69
  70     def stop(self, music = None, fade_out = 0, **kwargs):
  71         if music is not None:
  72             music.stop(fade_out = fade_out)
  73         else:
  74             if fade_out > 0:
  75                 pygame.mixer.fadeout(int(fade_out * 1000))
  76             else:
  77                 pygame.mixer.stop()
  78
  79     def stop_all_actions(self, **kwargs):
  80         self.key.parent.stop_all_running()
  81
  82     def volume(self, music = None, value = 100, **kwargs):
  83         if music is not None:
  84             music.set_volume(value)
  85         else:
  86             pass
  87
  88     def wait(self, duration = 0, music = None, **kwargs):
  89         # FIXME: Make it stoppable
  90         # http://stackoverflow.com/questions/29082268/python-time-sleep-vs-event-wait
  91         if music is None:
  92             time.sleep(duration)
  93         else:
  94             # TODO
  95             music.wait_end()
  96
  97     def command_print(self, command = "", **kwargs):
  98         return "running command {}".format(command)
  99
 100     def pause_print(self, music = None, **kwargs):
 101         if music is not None:
 102             return "pausing « {} »".format(music.name)
 103         else:
 104             return "pausing all musics"
 105
 106     def unpause_print(self, music = None, **kwargs):
 107         if music is not None:
 108             return "unpausing « {} »".format(music.name)
 109         else:
 110             return "unpausing all musics"
 111
 112     def play_print(self, music = None, fade_in = 0, start_at = 0,
 113             restart_if_running = False, volume = 100, **kwargs):
 114         message = "starting "
 115         if music is not None:
 116             message += "« {} »".format(music.name)
 117         else:
 118             message += "music"
 119
 120         if start_at != 0:
 121             message += " at {}s".format(start_at)
 122
 123         if fade_in != 0:
 124             message += " with {}s fade_in".format(fade_in)
 125
 126         message += " at volume {}%".format(volume)
 127
 128         if restart_if_running:
 129             message += " (restarting if already running)"
 130
 131         return message
 132
 133     def stop_print(self, music = None, fade_out = 0, **kwargs):
 134         if music is not None:
 135             if fade_out == 0:
 136                 return "stopping music « {} »".format(music.name)
 137             else:
 138                 return "stopping music « {} » with {}s fadeout".format(music.name, fade_out)
 139         else:
 140             if fade_out == 0:
 141                 return "stopping all musics"
 142             else:
 143                 return "stopping all musics with {}s fadeout".format(fade_out)
 144
 145     def stop_all_actions_print(self, **kwargs):
 146         return "stopping all actions"
 147
 148     def volume_print(self, music = None, value = 100, **kwargs):
 149         if music is not None:
 150             return "setting volume of « {} » to {}%".format(music.name, value)
 151         else:
 152             return "setting volume to {}%".format(value)
 153
 154     def wait_print(self, duration, **kwargs):
 155         return "waiting {}s".format(duration)
 156
 157