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'].check_is_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 music_list(self, music):
  42         if music is not None:
  43             return [music]
  44         else:
  45             return self.key.parent.open_files.values()
  46
  47     def pause(self, music = None, **kwargs):
  48         for music in self.music_list(music):
  49             if music.is_loaded_playing():
  50                 music.pause()
  51
  52     def unpause(self, music = None, **kwargs):
  53         for music in self.music_list(music):
  54             if music.is_loaded_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_not_stopped():
  62                     music.stop()
  63                 music.play(volume = volume, fade_in = fade_in, start_at = start_at)
  64             else:
  65                 if not music.is_not_stopped():
  66                     music.play(volume = volume, fade_in = fade_in, start_at = start_at)
  67
  68     def stop(self, music = None, fade_out = 0, **kwargs):
  69         for music in self.music_list(music):
  70             if music.is_loaded_paused() or music.is_loaded_playing():
  71                 music.stop(fade_out = fade_out)
  72
  73     def stop_all_actions(self, **kwargs):
  74         self.key.parent.stop_all_running()
  75
  76     def volume(self, music = None, value = 100, **kwargs):
  77         if music is not None:
  78             music.set_volume(value)
  79         else:
  80             # FIXME: todo
  81             pass
  82
  83     def wait(self, duration = 0, music = None, **kwargs):
  84         # FIXME: Make it stoppable
  85         # http://stackoverflow.com/questions/29082268/python-time-sleep-vs-event-wait
  86         if music is None:
  87             time.sleep(duration)
  88         else:
  89             # TODO
  90             music.wait_end()
  91
  92     def command_print(self, command = "", **kwargs):
  93         return "running command {}".format(command)
  94
  95     def pause_print(self, music = None, **kwargs):
  96         if music is not None:
  97             return "pausing « {} »".format(music.name)
  98         else:
  99             return "pausing all musics"
 100
 101     def unpause_print(self, music = None, **kwargs):
 102         if music is not None:
 103             return "unpausing « {} »".format(music.name)
 104         else:
 105             return "unpausing all musics"
 106
 107     def play_print(self, music = None, fade_in = 0, start_at = 0,
 108             restart_if_running = False, volume = 100, **kwargs):
 109         message = "starting "
 110         if music is not None:
 111             message += "« {} »".format(music.name)
 112         else:
 113             message += "music"
 114
 115         if start_at != 0:
 116             message += " at {}s".format(start_at)
 117
 118         if fade_in != 0:
 119             message += " with {}s fade_in".format(fade_in)
 120
 121         message += " at volume {}%".format(volume)
 122
 123         if restart_if_running:
 124             message += " (restarting if already running)"
 125
 126         return message
 127
 128     def stop_print(self, music = None, fade_out = 0, **kwargs):
 129         if music is not None:
 130             if fade_out == 0:
 131                 return "stopping music « {} »".format(music.name)
 132             else:
 133                 return "stopping music « {} » with {}s fadeout".format(music.name, fade_out)
 134         else:
 135             if fade_out == 0:
 136                 return "stopping all musics"
 137             else:
 138                 return "stopping all musics with {}s fadeout".format(fade_out)
 139
 140     def stop_all_actions_print(self, **kwargs):
 141         return "stopping all actions"
 142
 143     def volume_print(self, music = None, value = 100, **kwargs):
 144         if music is not None:
 145             return "setting volume of « {} » to {}%".format(music.name, value)
 146         else:
 147             return "setting volume to {}%".format(value)
 148
 149     def wait_print(self, duration, **kwargs):
 150         return "waiting {}s".format(duration)
 151
 152