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, self.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             WT.resume()
  60
  61             instrumentDescription = self.selectInstrument()
  62             self.runPlayingScreen(songFile, playMode, instrumentDescription)
  63
  64             WT.pause()
  65
  66
  67     def selectSongAndOptions(self) :
  68         """ lance l'écran de paramétrage et retourne un tuple comportant :
  69             - drapeau de sortie de l'application (booléen)
  70             - chemin du fichier de la chanson
  71             - mode (entier)
  72             - wiimote sélectionnée (entier)
  73         """
  74         home = Home(songPath=SONG_FILE_PATH,
  75                     nwiimotes=self.nwiimotes)
  76         app = self.app
  77         home.connect(QUIT, app.quit)
  78         app.run(home)
  79         app.close(home)
  80
  81
  82         actual_wiimotes = self.WT.get_count()
  83         if actual_wiimotes is None :
  84             msg = 'chanson : %s\nmode : %s\nHID : souris'
  85             msg = msg % (home.songFile,
  86                          home.modeSelect.value)
  87         elif actual_wiimotes == 0 :
  88             msg = 'chanson : %s\nmode : %s\nHID : souris (pas de wiimote trouvée)'
  89             msg = msg % (home.songFile,
  90                          home.modeSelect.value)
  91         else :
  92             msg = 'chanson : %s\nmode : %s\nHID : wiimote %d'
  93             msg = msg % (home.songFile,
  94                          home.modeSelect.value,
  95                          home.selectedWiimote.value + 1)
  96
  97         console.info(msg)
  98
  99         return (home.exitApp,
 100                 home.songFile,
 101                 home.modeSelect.value,
 102                 home.selectedWiimote.value)
 103
 104     def selectInstrument(self) :
 105         """ lance l'écran de sélection de l'instrument et retourne
 106             un dictionnaire comportant la description de l'instrument
 107         """
 108         selector = InstrumentSelector()
 109         selector.run()
 110         selector.stop()
 111         pygame.event.clear()
 112         EventDispatcher.reset()
 113         return selector.selectedInstrument
 114
 115     def runPlayingScreen(self, songFile, playMode, instrumentDescription) :
 116         """ Lance l'écran de jeu principal avec la chanson 'songFile' dans le mode 'playMode'
 117             avec l'instrument midi 'instrumentDescription'.
 118         """
 119         playMode = PLAYING_MODES_DICT[playMode]
 120         song = musicXml2Song(songFile)
 121         bank, preset = instrumentDescription['bank'], instrumentDescription['preset']
 122         octave = instrumentDescription.get('octave', 0)
 123         self.synth.adjust_octave(0, octave)
 124         self.synth.program_select(0, bank, preset)
 125         playingScreen = SongPlayingScreen(self.synth, song, mode=playMode)
 126         playingScreen.run()
 127         pygame.event.clear()
 128         EventDispatcher.reset()
 129
 130
 131 class _WTFacade :
 132     """ Classe utilitaire pour singer l'api
 133         de pygame_wiimouse en cas d'abscence de wiimote.
 134     """
 135     selectWimoteIndex = 0
 136     def pause(self):
 137         pass
 138     def resume(self):
 139         pass
 140     def selectWiimote(self, i):
 141         pass
 142     def get_count(self) :
 143         return None