X-Git-Url: https://scm.cri.mines-paristech.fr/git/minwii.git/blobdiff_plain/d8d786898468fe6b6065a626070593cc162f5171..49c528b6d2cdaa39e08e00ccfa74a60751f8640a:/src/app/widgets/playingscreen.py diff --git a/src/app/widgets/playingscreen.py b/src/app/widgets/playingscreen.py index 055ed71..47898fa 100755 --- a/src/app/widgets/playingscreen.py +++ b/src/app/widgets/playingscreen.py @@ -7,74 +7,58 @@ $Id$ $URL$ """ import pygame -from colorsys import hls_to_rgb -from gradients import gradients -from math import floor +from cursors import WarpingCursor +from column import Column +import events +from eventutils import event_handler, EventDispatcher, EventHandlerMixin import types -# TODO : positionner cette constance en fonction de la résolution d'affichage -# externaliser la conf. -BORDER = 5 # 5px -FIRST_HUE = 0.6 -OFF_LUMINANCE = 0.2 -OFF_SATURATION = 1 -ON_TOP_LUMINANCE = 0.6 -ON_BOTTOM_LUMINANCE = 0.9 -ON_SATURATION = 1 -ON_COLUMN_OVERSIZING = 1.5 +from musicxml import Tone +from config import FRAMERATE +from config import BORDER +from config import FIRST_HUE +from config import DEFAULT_MIDI_VELOCITY -def event_handler(eventType) : - def doRename(m) : - m.__name__ = 'eventHandler%s' % eventType - return m - return doRename +from globals import BACKGROUND_LAYER +from globals import CURSOR_LAYER +from globals import PLAYING_MODES_DICT +class _PlayingScreenBase(pygame.sprite.LayeredDirty, EventHandlerMixin) : -class MetaRenamer(type): - def __new__(mcs, name, bases, dict) : - for k, v in dict.items() : - if isinstance(v, types.FunctionType) : - if k != v.__name__ : - print 'renommage de %s en %s' % (k, v.__name__) - dict[v.__name__] = v - del dict[k] - return type.__new__(mcs, name, bases, dict) - - -class _PlayingScreenBase(pygame.sprite.OrderedUpdates) : - - __metaclass__ = MetaRenamer - - def __init__(self, distinctNotes=[]) : + def __init__(self, synth, distinctNotes=[]) : """ distinctNotes : notes disctinctes présentes dans la chanson triées du plus grave au plus aigu. """ super(_PlayingScreenBase, self).__init__() + self.synth = synth self.distinctNotes = distinctNotes self.keyboardLength = 0 self.keyboardRects = [] + self.cursor = None self._initRects() + self.columns = {} self._initColumns() self._running = False - - + self.draw(pygame.display.get_surface()) + self._initCursor() def _initRects(self) : """ création des espaces réservés pour afficher les colonnes. """ - ambitus = self.distinctNotes[-1].midi - self.distinctNotes[0].midi - if ambitus <= 12 : - self.keyboardLength = 8 - else : - self.keyboardLength = 11 + #ambitus = self.distinctNotes[-1].midi - self.distinctNotes[0].midi + #if ambitus <= 12 : + # self.keyboardLength = 8 + #else : + # self.keyboardLength = 11 + self.keyboardLength = len(self.distinctNotes) screen = pygame.display.get_surface() # taille de la zone d'affichage utile (bordure autour) - dispWidth = screen.get_width() - 2 * BORDER - dispHeight = screen.get_height() - 2 * BORDER + self.dispWidth = dispWidth = screen.get_width() - 2 * BORDER + self.dispHeight = dispHeight = screen.get_height() - 2 * BORDER columnWidth = int(round(float(dispWidth) / self.keyboardLength)) @@ -91,85 +75,157 @@ class _PlayingScreenBase(pygame.sprite.OrderedUpdates) : hueStep = FIRST_HUE / (self.keyboardLength - 1) for i, rect in enumerate(self.keyboardRects) : hue = FIRST_HUE - hueStep * i - print hue - c = Column(hue, rect) - self.add(c) - + tone = self.distinctNotes[i] + c = Column(self, i, hue, rect, tone) + self.add(c, layer=BACKGROUND_LAYER) + self.columns[tone.midi] = c - def highlightColumn(self, index) : - for i, sprite in enumerate(self.sprites()) : - sprite.update(i==index) - self.draw(pygame.display.get_surface()) + def _initCursor(self) : + self.cursor = WarpingCursor(blinkMode=True) + self.add(self.cursor, layer=CURSOR_LAYER) + def run(self): self._running = True + clock = pygame.time.Clock() + pygame.display.flip() + pygame.mouse.set_visible(False) while self._running : - pygame.display.flip() - events = pygame.event.get() - for event in events: - self.input(event) - - def input(self, event) : - handler = getattr(self, 'eventHandler%s' % event.type, lambda e:None) - handler(event) + EventDispatcher.dispatchEvents() + dirty = self.draw(pygame.display.get_surface()) + pygame.display.update(dirty) + clock.tick()#FRAMERATE) + def stop(self) : + self._running = False + self.synth.system_reset() + pygame.mouse.set_visible(True) + self.cursor._stopBlink() + @event_handler(pygame.KEYDOWN) def handleKeyDown(self, event) : if event.key == pygame.K_q: - self._running = False - uni = event.unicode - - if uni.isdigit() and int(uni) <=8 : - self.highlightColumn(int(uni)) + self.stop() + @event_handler(pygame.MOUSEBUTTONDOWN) + def onMouseDown(self, event) : + # TODO à cleaner : on vire le dernier élément + # parce qu'il s'agit du curseur + for col in reversed(self.sprites()[:-1]) : + if col.rect.collidepoint(*event.pos): + self.raiseColDown(col, event.pos) + break + + @event_handler(pygame.MOUSEBUTTONUP) + def onMouseUp(self, event) : + for col in reversed(self.sprites()[:-1]) : + if col.rect.collidepoint(*event.pos) : + self.raiseColUp(col, event.pos) + break + @event_handler(pygame.MOUSEMOTION) - def handleMouseMotion(self, event) : - + def onMouseMove(self, event) : + for col in reversed(self.sprites()[:-1]) : + if col.rect.collidepoint(*event.pos) : + self.raiseColOver(col, event.pos) + break + + def raiseColDown(self, col, pos) : + evt = pygame.event.Event(events.COLDOWN, column=col, pos=pos) + pygame.event.post(evt) + + def raiseColUp(self, col, pos) : + evt = pygame.event.Event(events.COLUP, column=col, pos=pos) + pygame.event.post(evt) + + def raiseColOver(self, col, pos) : + evt = pygame.event.Event(events.COLOVER, column=col, pos=pos) + pygame.event.post(evt) + +class PlayingScreen(_PlayingScreenBase) : + "fenêtre de jeu pour improvisation" + scale = [55, 57, 59, 60, 62, 64, 65, 67, 69, 71, 72] + + def __init__(self, synth) : + distinctNotes = [] + for midi in self.scale : + tone = Tone(midi) + distinctNotes.append(tone) + + super(PlayingScreen, self).__init__(synth, distinctNotes) + + @event_handler(events.NOTEON) + def noteon(self, evt) : + tone = evt.tone + self.synth.noteon(0, tone.midi, DEFAULT_MIDI_VELOCITY) + + @event_handler(events.NOTEOFF) + def noteoff(self, evt) : + tone = evt.tone + self.synth.noteoff(0, tone.midi) + class SongPlayingScreen(_PlayingScreenBase) : - def __init__(self, song) : - super(SongPlayingScreen, self).__init__(song.distinctNotes) + def __init__(self, synth, song, mode=PLAYING_MODES_DICT['EASY']) : + super(SongPlayingScreen, self).__init__(synth, song.distinctNotes) self.song = song - -class SongPlayingScreenTest(_PlayingScreenBase) : - def __init__(self) : - class C:pass - o = C() - o.midi=1 - super(SongPlayingScreenTest, self).__init__([o]) + self.quarterNoteDuration = song.quarterNoteDuration + self.currentColumn = None + self.noteIterator = self.song.iterNotes() + self.displayNext() + if mode == PLAYING_MODES_DICT['NORMAL'] : + EventDispatcher.addEventListener(events.COLDOWN, self.handleColumnDown) + EventDispatcher.addEventListener(events.COLUP, self.handleColumnUp) + elif mode == PLAYING_MODES_DICT['EASY'] : + EventDispatcher.addEventListener(events.COLOVER, self.handleColumnOver) + - -class Column(pygame.sprite.Sprite) : + def displayNext(self, event=None) : + if self.currentColumn: + self.currentColumn.update(False) + note, verseIndex = self.noteIterator.next() + syllabus = note.lyrics[verseIndex].syllabus() + column = self.columns[note.midi] + column.update(True, syllabus) + self.currentColumn = column + self.currentNote = note + self.currentNotePlayed = False - def __init__(self, hue, rect) : - pygame.sprite.Sprite.__init__(self) - sur = pygame.surface.Surface(rect.size) - rgba = hls_to_rgba_8bits(hue, OFF_LUMINANCE, OFF_SATURATION) - sur.fill(rgba) - self.stateOff = sur - self.rectOff = rect - - topRgba = hls_to_rgba_8bits(hue, ON_TOP_LUMINANCE, ON_SATURATION) - bottomRgba = hls_to_rgba_8bits(hue, ON_BOTTOM_LUMINANCE, ON_SATURATION) - rectOn = rect.inflate(ON_COLUMN_OVERSIZING * rect.width, 0) - self.stateOn = gradients.vertical(rectOn.size, topRgba, bottomRgba) - self.rectOn = rectOn - - self.image = self.stateOff - self.rect = rect + def handleColumnDown(self, event) : + col = event.column + if col.state: + self.synth.noteon(0, col.tone.midi, DEFAULT_MIDI_VELOCITY) + self.currentNotePlayed = True - def update(self, state) : - if state : - self.image = self.stateOn - self.rect = self.rectOn - else : - self.image = self.stateOff - self.rect = self.rectOff - -def hls_to_rgba_8bits(h, l, s) : - #convert to rgb ranging from 0 to 255 - rgba = [floor(255 * i) for i in hls_to_rgb(h, l, s) + (1,)] - return tuple(rgba) + def handleColumnUp(self, event) : + if self.currentNotePlayed : + self.synth.noteoff(0, self.currentColumn.tone.midi) + self.displayNext() + + def handleColumnOver(self, event) : + col = event.column + if col.state and not self.currentNotePlayed : + self.synth.noteon(0, col.tone.midi, DEFAULT_MIDI_VELOCITY) + SongPlayingScreen.setNoteTimeout( + int(self.currentNote.duration * \ + self.quarterNoteDuration) + ) + self.currentNotePlayed = True + + @event_handler(events.NOTEEND) + def clearTimeOutAndDisplayNext(self, evt) : + pygame.time.set_timer(evt.type, 0) + self.synth.noteoff(0, self.currentNote.midi) + self.displayNext() + + @staticmethod + def setNoteTimeout(delay) : + pygame.time.set_timer(events.NOTEEND, delay) + + def stop(self) : + pygame.time.set_timer(events.NOTEEND, 0) + super(SongPlayingScreen, self).stop() +