removed changelog

[pmachines.git] / audio / music.py

from os.path import exists, basename
from platform import system
from glob import glob
from pathlib import Path
from random import choice
from logging import info
from panda3d.core import AudioSound, Filename


class MusicMgr:

    def __init__(self, volume):
        files = self.curr_path + 'assets/audio/music/*.ogg'
        self._start_music(glob(files))
        base.musicManager.setVolume(.8 * volume)
        base.sfxManagerList[0].setVolume(volume)
        taskMgr.add(self._on_frame, 'on frame music')

    @property
    def is_appimage(self):
        par_path = str(Path(__file__).parent.absolute())
        is_appimage = par_path.startswith('/tmp/.mount_Pmachi')
        return is_appimage and par_path.endswith('/usr/bin')

    @property
    def curr_path(self):
        if system() == 'Windows':
            return ''
        if exists('main.py'):
            return ''
        else:
            par_path = str(Path(__file__).parent.absolute())
        if self.is_appimage:
            par_path = str(Path(par_path).absolute())
        par_path += '/'
        return par_path

    def _start_music(self, files):
        self._music = loader.load_music(choice(files))
        info('playing music ' + self._music.get_name())
        self._music.play()

    def set_volume(self, volume):
        base.musicManager.setVolume(.8 * volume)
        base.sfxManagerList[0].setVolume(volume)

    def _on_frame(self, task):
        if self._music.status() == AudioSound.READY:
            oggs = Filename(
                self.curr_path + 'assets/audio/music/*.ogg').to_os_specific()
            files = glob(oggs)
            rm_music = Filename(
                self.curr_path + 'assets/audio/music/' +
                basename(self._music.get_name())).to_os_specific()
            # basename is needed in windows
            files.remove(rm_music)
            self._start_music(files)
        return task.cont