src/minwii/app.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 Theme
  11 from pgu.gui import Desktop
  12 from pgu.gui import QUIT
  13 from minwii.widgets.launch import LaunchScreen
  14 from minwii.widgets.home import Home
  15 from minwii.widgets.playingscreen import SongPlayingScreen, PlayingScreen
  16 from minwii.widgets.instrumentselector import InstrumentSelector
  17 from minwii.synth import Synth
  18 from minwii.eventutils import EventDispatcher
  19 from minwii.musicxml import musicXml2Song
  20 from minwii.config import SONG_FILE_PATH
  21 from minwii.config import SCREEN_RESOLUTION
  22 from minwii.globals import PLAYING_MODES_DICT
  23 from minwii.log import console, LOG_FORMAT_VERSION, envLogger
  24 import os.path
  25
  26 wiiuse = None
  27 pygame_wiimouse = None
  28
  29 SCREEN_HOME         = 0
  30 SCREEN_INSTRUMENTS  = 1
  31 SCREEN_PLAY         = 2
  32
  33
  34
  35 class MinWii(object):
  36
  37     def __init__(self, wiimoteSupport=True, fullscreen=False, audioDriver=None) :
  38         envLogger.info('winwii log format version : %s', LOG_FORMAT_VERSION)
  39         self.wiimoteSupport = wiimoteSupport
  40         self.fullscreen = fullscreen
  41         LaunchScreen()
  42         themedir = os.path.join(os.path.dirname(__file__), 'widgets', 'data', 'minwii_theme')
  43         theme = Theme(themedir)
  44         self.app = Desktop(theme=theme)
  45         self.synth = Synth(driver=audioDriver)
  46         self.screenResolution = SCREEN_RESOLUTION
  47         envLogger.info('résolution écran : %s', self.screenResolution)
  48         self.nwiimotes = 0
  49         self.initWiimotes()
  50         self.firstSong = True
  51         self.screen = SCREEN_HOME
  52         self.playingScreen = None
  53
  54     def initWiimotes(self) :
  55         if self.wiimoteSupport :
  56             global wiiuse
  57             from pywiiuse import PyWiiUse as wiiuse
  58             global pygame_wiimouse
  59             from pywiiuse import pygame_wiimouse
  60             from minwii.config import IR_POSITION
  61             pygame_wiimouse.init(5, 5, self.screenResolution, IR_POSITION) # look for 5, wait 5 seconds
  62             self.nwiimotes = nwiimotes = pygame_wiimouse.get_count()
  63             console.debug('wiimotes found : %d', nwiimotes)
  64             self.WT = WT = pygame_wiimouse.WT
  65             WT.setEventCallBack(self._wiimotesEventCallBack)
  66             WT.pause()
  67         else :
  68             self.WT = _WTFacade()
  69
  70     def _wiimotesEventCallBack(self, wt, id, wmp) :
  71         if self.screen == SCREEN_PLAY :
  72             pygame_wiimouse._default_event_cb(wt, id, wmp)
  73
  74             wm = wmp[0]
  75             if id == self.nwiimotes - 1 :
  76                 # le bouton Home de la télécommande permet de sortir
  77                 # (envoi d'un événement clavier « q »)
  78                 if wiiuse.is_just_pressed(wm, wiiuse.button['Home']) :
  79                     event = pygame.event.Event(pygame.KEYDOWN,
  80                                                key = pygame.K_q,
  81                                                unicode = u'q')
  82                     pygame.event.post(event)
  83                 elif wiiuse.is_just_pressed(wm, wiiuse.button['+']) :
  84                     self.synth.inc_gain()
  85                 elif wiiuse.is_just_pressed(wm, wiiuse.button['-']) :
  86                     self.synth.dec_gain()
  87                 elif wiiuse.is_just_pressed(wm, wiiuse.button['1']) and self.playingScreen :
  88                     self.playingScreen.tempoTrimUp()
  89                 elif wiiuse.is_just_pressed(wm, wiiuse.button['2']) and self.playingScreen :
  90                     self.playingScreen.tempoTrimDown()
  91
  92         elif self.screen in (SCREEN_HOME, SCREEN_INSTRUMENTS) :
  93             pygame_wiimouse._full_mouse_event_cb(wt, id, wmp)
  94
  95     def run(self) :
  96         "séquençage de l'affichage des écrans"
  97         displayFlags = 0
  98         if self.fullscreen :
  99             displayFlags = displayFlags | pygame.FULLSCREEN
 100         pygame.display.set_mode(self.screenResolution, displayFlags)
 101         pygame.display.set_caption('MINDs')
 102         WT = self.WT
 103
 104         # valeurs par défaut des options
 105         songFile, playMode, displayNotes, wiimoteIndex = '', 'NORMAL', False, 0
 106
 107         while True :
 108             WT.resume()
 109             WT.selectWiimote(self.nwiimotes - 1) # la télécommande est la souris
 110             self.screen = SCREEN_HOME
 111             exit, songFile, playMode, displayNotes, wiimoteIndex = \
 112                 self.selectSongAndOptions(songFile, playMode, displayNotes, wiimoteIndex)
 113             if exit :
 114                 WT.quit()
 115                 break
 116
 117
 118             self.screen = SCREEN_INSTRUMENTS
 119             instrumentDescription = self.selectInstrument()
 120             if not instrumentDescription :
 121                 continue
 122
 123             self.screen = SCREEN_PLAY
 124             WT.selectWiimote(wiimoteIndex)
 125             self.runPlayingScreen(songFile, playMode, displayNotes, instrumentDescription)
 126             WT.pause()
 127
 128
 129     def selectSongAndOptions(self, songFile, playMode, displayNotes, wiimoteIndex) :
 130         """ lance l'écran de paramétrage et retourne un tuple comportant :
 131             - drapeau de sortie de l'application (booléen)
 132             - chemin du fichier de la chanson
 133             - mode (entier)
 134             - affichage des notes (booléen)
 135             - wiimote sélectionnée (entier)
 136         """
 137         home = Home(songPath=SONG_FILE_PATH,
 138                     songFile=songFile,
 139                     playMode=playMode,
 140                     displayNotes=displayNotes,
 141                     wiimoteIndex=wiimoteIndex,
 142                     nwiimotes=self.nwiimotes)
 143         app = self.app
 144         home.connect(QUIT, app.quit)
 145         app.run(home)
 146         app.close(home)
 147
 148         #logging
 149         if home.exitApp :
 150             console.debug("sortie de l'application")
 151         else :
 152             actual_wiimotes = self.WT.get_count()
 153             if self.firstSong :
 154                 self.firstSong = False
 155             else :
 156                 envLogger.info('NEW_LOG_FILE')
 157             console.info('chanson : %s', home.songFile)
 158             console.info('mode : %s', home.modeSelect.value)
 159             if actual_wiimotes is None :
 160                 console.info('HID : souris')
 161             elif actual_wiimotes == 0 :
 162                 console.info('HID : souris (pas de wiimote trouvée)')
 163             else :
 164                 console.info('HID : wiimote %d', home.selectedWiimote.value + 1)
 165         #---
 166
 167         return (home.exitApp,
 168                 home.songFile,
 169                 home.selectedPlayMode,
 170                 home.displayNotes,
 171                 home.selectedWiimoteIndex)
 172
 173     def selectInstrument(self) :
 174         """ lance l'écran de sélection de l'instrument et retourne
 175             un dictionnaire comportant la description de l'instrument
 176         """
 177         selector = InstrumentSelector()
 178         selector.run()
 179         selector.stop()
 180         pygame.event.clear()
 181         EventDispatcher.reset()
 182         instru = selector.selectedInstrument
 183         if instru :
 184             console.info('instrument : %s', instru['name'])
 185             console.info('preset : %d', instru['preset'])
 186             console.info('bank : %d', instru['bank'])
 187             console.info('ajustement octave : %d', instru['octave'])
 188         return instru
 189
 190     def runPlayingScreen(self, songFile, playMode, displayNotes, instrumentDescription) :
 191         """ Lance l'écran de jeu principal avec la chanson 'songFile' dans le mode 'playMode'
 192             avec l'instrument midi 'instrumentDescription'.
 193         """
 194         playMode = PLAYING_MODES_DICT[playMode]
 195         bank, preset = instrumentDescription['bank'], instrumentDescription['preset']
 196         octave = instrumentDescription['octave']
 197         self.synth.adjust_octave(0, octave)
 198         self.synth.program_select(0, bank, preset)
 199         if playMode == PLAYING_MODES_DICT['IMPRO'] :
 200             playingScreen = PlayingScreen(self.synth, displayNotes=displayNotes)
 201         else :
 202             song = musicXml2Song(songFile)
 203             self.playingScreen = playingScreen = SongPlayingScreen(self.synth, song, mode=playMode, displayNotes=displayNotes)
 204         playingScreen.run()
 205         pygame.event.clear()
 206         EventDispatcher.reset()
 207         self.playingScreen = None
 208
 209
 210 class _WTFacade :
 211     """ Classe utilitaire pour singer l'api
 212         de pygame_wiimouse en cas d'abscence de wiimote.
 213     """
 214     selectWimoteIndex = 0
 215     def pause(self):
 216         pass
 217     def resume(self):
 218         pass
 219     def selectWiimote(self, i):
 220         pass
 221     def get_count(self) :
 222         return None
 223     def quit(self) :
 224         pass