volume option

[pmachines.git] / pmachines / menu.py

from panda3d.core import Texture, TextNode
from direct.gui.DirectGui import DirectButton, DirectCheckButton, \
    DirectOptionMenu, DirectSlider
from direct.gui.DirectGuiGlobals import FLAT
from direct.gui.OnscreenText import OnscreenText


class Menu:

    def __init__(self, fsm, lang_mgr, opt_file, music):
        self._fsm = fsm
        self._lang_mgr = lang_mgr
        self._opt_file = opt_file
        self._music = music
        self._font = base.loader.load_font('assets/fonts/Hanken-Book.ttf')
        self._font.clear()
        self._font.set_pixels_per_unit(60)
        self._font.set_minfilter(Texture.FTLinearMipmapLinear)
        self._font.set_outline((0, 0, 0, 1), .8, .2)
        self._widgets = []
        self._common = {
            'scale': .12,
            'text_font': self._font,
            'text_fg': (.9, .9, .9, 1),
            'relief': FLAT,
            'frameColor': (.4, .4, .4, .14),
            'rolloverSound': loader.load_sfx('assets/audio/sfx/rollover.ogg'),
            'clickSound': loader.load_sfx('assets/audio/sfx/click.ogg')}
        self._common_btn = {'frameSize': (-3.8, 3.8, -.6, 1.2)} | self._common
        self._common_slider = self._common | {
            'range': (0, 1),
            'thumb_frameColor': (.4, .4, .4, .4),
            'thumb_scale': 1.6,
            'scale': .4}
        del self._common_slider['rolloverSound']
        del self._common_slider['clickSound']
        self._set_main()

    def _set_main(self):
        self._widgets = []
        self._widgets += [DirectButton(
            text=_('Play'), pos=(0, 1, .6), command=self.on_play,
            **self._common_btn)]
        self._widgets += [DirectButton(
            text=_('Options'), pos=(0, 1, .3), command=self.on_options,
            **self._common_btn)]
        self._widgets += [DirectButton(
            text=_('Support us'), pos=(0, 1, 0), command=self.on_play,
            **self._common_btn)]
        self._widgets += [DirectButton(
            text=_('Credits'), pos=(0, 1, -.3), command=self.on_play,
            **self._common_btn)]
        self._widgets += [DirectButton(
            text=_('Exit'), pos=(0, 1, -.6), command=self.on_play,
            **self._common_btn)]

    def _set_options(self):
        self._widgets = []
        self._lang_funcs = [lambda: _('English'), lambda: _('Italian')]
        items = [fnc() for fnc in self._lang_funcs]
        inititem = {
            'en': _('English'),
            'it': _('Italian')
        }[self._opt_file['settings']['language']]
        hlc = self._common_btn['frameColor']
        hlc = (hlc[0] + .2, hlc[1] + .2, hlc[2] + .2, hlc[3] + .2)
        btn = DirectOptionMenu(
            text=_('Language'), items=items, initialitem=inititem,
            pos=(0, 1, .6), command=self.on_language,
            item_frameColor=self._common_btn['frameColor'],
            popupMarker_frameColor=self._common_btn['frameColor'],
            item_relief=self._common_btn['relief'],
            item_text_font=self._common_btn['text_font'],
            item_text_fg=self._common_btn['text_fg'],
            textMayChange=1, highlightColor=hlc,
            **self._common_btn)
        btn.popupMenu['frameColor'] = self._common_btn['frameColor']
        btn.popupMenu['relief'] = self._common_btn['relief']
        self._widgets += [btn]
        self._widgets += [OnscreenText(
            _('Volume'), pos=(-.1, .3), font=self._common['text_font'],
            scale=self._common['scale'], fg=self._common['text_fg'],
            align=TextNode.A_right)]
        self._widgets += [DirectSlider(
            pos=(.5, 1, .32),
            value=self._opt_file['settings']['volume'],
            command=self.on_volume,
            **self._common_slider)]
        self._slider = self._widgets[-1]
        self._widgets += [DirectButton(
            text=_('Back'), pos=(0, 1, -.6), command=self.on_back,
            **self._common_btn)]

    def on_play(self):
        self._fsm.demand('Scene')

    def on_options(self):
        self.destroy()
        self._set_options()

    def on_language(self, arg):
        lang_code = {
            _('English'): 'en_EN',
            _('Italian'): 'it_IT'}[arg]
        self._lang_mgr.set_lang(lang_code)
        self._opt_file['settings']['language'] = lang_code[:2]
        self._opt_file.store()
        self.on_options()

    def on_volume(self):
        self._opt_file['settings']['volume'] = self._slider['value']
        self._music.set_volume(self._slider['value'])

    def on_back(self):
        self._opt_file.store()
        self.destroy()
        self._set_main()

    def destroy(self):
        [wdg.destroy() for wdg in self._widgets]