src/app/minwii.py

   1 # -*- coding: utf-8 -*-
   2 """
   3 l'application winwii
   4
   5 $Id$
   6 $URL$
   7 """
   8
   9 import pygame
  10 from pgu.gui import Desktop
  11 from pgu.gui import QUIT
  12 from widgets.launch import LaunchScreen
  13 from widgets.home import Home
  14 from widgets.playingscreen import SongPlayingScreen, PlayingScreen
  15 from widgets.instrumentselector import InstrumentSelector
  16 from synth import Synth
  17 from eventutils import EventDispatcher
  18 from musicxml import musicXml2Song
  19 from config import SONG_FILE_PATH
  20 from globals import PLAYING_MODES_DICT
  21 from log import console
  22
  23
  24 class MinWii(object):
  25
  26     def __init__(self, wiimoteSupport=True) :
  27         self.wiimoteSupport = wiimoteSupport
  28         LaunchScreen()
  29         self.app = Desktop()
  30         self.synth = Synth()
  31         self.screenResolution = (1024,768)
  32         self.nwiimotes = 0
  33         self.initWiimotes()
  34
  35     def initWiimotes(self) :
  36         if self.wiimoteSupport :
  37             from pywiiuse import pygame_wiimouse
  38             pygame_wiimouse.init(4, 5, screenResolution) # look for 4, wait 5 seconds
  39             self.nwiimotes = nwiimotes = pygame_wiimouse.get_count()
  40             console.debug('%d wiimotes found', nwiimotes)
  41             self.WT = WT = pygame_wiimouse.WT
  42             WT.pause()
  43         else :
  44             self.WT = _WTFacade()
  45
  46     def run(self) :
  47         "manage the screen sequence display"
  48
  49         pygame.display.set_mode(self.screenResolution)
  50         pygame.display.set_caption('MinWii')
  51         WT = self.WT
  52
  53         while True :
  54
  55             exit, songFile, playMode, selectedWiimoteIndex = self.selectSongAndOptions()
  56             if exit : break
  57
  58             WT.selectWiimote(selectedWiimoteIndex)
  59             console.info('wiimote sélectionnée : %d', selectedWiimoteIndex)
  60             WT.resume()
  61
  62             instrumentDescription = self.selectInstrument()
  63             self.runPlayingScreen(songFile, playMode, instrumentDescription)
  64
  65             WT.pause()
  66
  67
  68     def selectSongAndOptions(self) :
  69         """ lance l'écran de paramétrage et retourne un tuple comportant :
  70             - drapeau de sortie de l'application (booléen)
  71             - chemin du fichier de la chanson
  72             - mode (entier)
  73             - wiimote sélectionnée (entier)
  74         """
  75         home = Home(songPath=SONG_FILE_PATH,
  76                     nwiimotes=self.nwiimotes)
  77         app = self.app
  78         home.connect(QUIT, app.quit)
  79         app.run(home)
  80         app.close(home)
  81         #console.debug('wiimote selected: %d', home.selecctedWiimoteIndex)
  82         return (home.exitApp,
  83                 home.songFile,
  84                 home.modeSelect.value,
  85                 home.selectedWiimote.value)
  86
  87     def selectInstrument(self) :
  88         """ lance l'écran de sélection de l'instrument et retourne
  89             un dictionnaire comportant la description de l'instrument
  90         """
  91         selector = InstrumentSelector()
  92         selector.run()
  93         selector.stop()
  94         pygame.event.clear()
  95         EventDispatcher.reset()
  96         return selector.selectedInstrument
  97
  98     def runPlayingScreen(self, songFile, playMode, instrumentDescription) :
  99         """ Lance l'écran de jeu principal avec la chanson 'songFile' dans le mode 'playMode'
 100             avec l'instrument midi 'instrumentDescription'.
 101         """
 102         playMode = PLAYING_MODES_DICT[playMode]
 103         song = musicXml2Song(songFile)
 104         bank, preset = instrumentDescription['bank'], instrumentDescription['preset']
 105         octave = instrumentDescription.get('octave', 0)
 106         self.synth.adjust_octave(0, octave)
 107         self.synth.program_select(0, bank, preset)
 108         playingScreen = SongPlayingScreen(self.synth, song, mode=playMode)
 109         playingScreen.run()
 110         pygame.event.clear()
 111         EventDispatcher.reset()
 112
 113
 114 class _WTFacade :
 115     selectWimoteIndex = 0
 116     def pause(self):
 117         pass
 118     def resume(self):
 119         pass
 120     def selectWiimote(self, i):
 121         pass