entities/music.py

   1 from os.path import dirname, exists, basename
   2 from platform import system
   3 from glob import glob
   4 from pathlib import Path
   5 from random import choice
   6 from logging import info
   7 from panda3d.core import AudioSound, Filename
   8
   9
  10 class MusicMgr:
  11
  12     def __init__(self, volume):
  13         files = self.curr_path + 'assets/audio/music/*.ogg'
  14         self._start_music(glob(files))
  15         base.musicManager.setVolume(.8 * volume)
  16         base.sfxManagerList[0].setVolume(volume)
  17         taskMgr.add(self._on_frame, 'on frame music')
  18
  19     @property
  20     def is_appimage(self):
  21         par_path = str(Path(__file__).parent.absolute())
  22         is_appimage = par_path.startswith('/tmp/.mount_Pmachi')
  23         return is_appimage and par_path.endswith('/usr/bin')
  24
  25     @property
  26     def curr_path(self):
  27         if system() == 'Windows':
  28             return ''
  29         if exists('main.py'):
  30             return ''
  31         else:
  32             par_path = str(Path(__file__).parent.absolute())
  33         if self.is_appimage:
  34             par_path = str(Path(par_path).absolute())
  35         par_path += '/'
  36         return par_path
  37
  38     def _start_music(self, files):
  39         self._music = loader.load_music(choice(files))
  40         info('playing music ' + self._music.get_name())
  41         self._music.play()
  42
  43     def set_volume(self, volume):
  44         base.musicManager.setVolume(.8 * volume)
  45         base.sfxManagerList[0].setVolume(volume)
  46
  47     def _on_frame(self, task):
  48         if self._music.status() == AudioSound.READY:
  49             oggs = Filename(self.curr_path + 'assets/audio/music/*.ogg').to_os_specific()
  50             files = glob(oggs)
  51             rm_music = Filename(self.curr_path + 'assets/audio/music/' + basename(self._music.get_name())).to_os_specific()
  52             # basename is needed in windows
  53             files.remove(rm_music)
  54             self._start_music(files)
  55         return task.cont