X-Git-Url: https://scm.cri.mines-paristech.fr/git/minwii.git/blobdiff_plain/2b9d34e4fd258c988ccb7796d918fdf40f4d9937..2135d89d4f79d723151df0c6f2ed0206fa71cd64:/src/app/widgets/playingscreen.py diff --git a/src/app/widgets/playingscreen.py b/src/app/widgets/playingscreen.py index f65d8e5..4638267 100755 --- a/src/app/widgets/playingscreen.py +++ b/src/app/widgets/playingscreen.py @@ -7,64 +7,225 @@ $Id$ $URL$ """ import pygame -# TODO : positionner cette constance en fonction de la résolution d'affichage -BORDER = 5 # 5px +from cursors import WarpingCursor +from column import Column +import events +from eventutils import event_handler, EventDispatcher, EventHandlerMixin +import types +from musicxml import Tone -class _PlayingScreenBase(object) : - def __init__(self, distinctNotes=[]) : +from config import FRAMERATE +from config import BORDER +from config import FIRST_HUE +from config import DEFAULT_MIDI_VELOCITY + +from globals import BACKGROUND_LAYER +from globals import CURSOR_LAYER +from globals import PLAYING_MODES_DICT + +class _PlayingScreenBase(pygame.sprite.LayeredDirty, EventHandlerMixin) : + + 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.drawColumns() - + 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 : - keyboardLength = 8 - else : - 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) / keyboardLength)) + columnWidth = int(round(float(dispWidth) / self.keyboardLength)) rects = [] - for i in range(keyboardLength) : + for i in range(self.keyboardLength) : upperLeftCorner = (i*columnWidth + BORDER, BORDER) rect = pygame.Rect(upperLeftCorner, (columnWidth, dispHeight)) rects.append(rect) self.keyboardRects = rects - - def drawColumns(self) : - pass + def _initColumns(self) : + + hueStep = FIRST_HUE / (self.keyboardLength - 1) + for i, rect in enumerate(self.keyboardRects) : + hue = FIRST_HUE - hueStep * i + tone = self.distinctNotes[i] + c = Column(self, hue, rect, tone) + self.add(c, layer=BACKGROUND_LAYER) + self.columns[tone.midi] = c + + + 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 : + 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.stop() - def highLightColumn(self) : - pass + @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) + 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) + break -class SongPlayingScreen(_PlayingScreenBase) : + @event_handler(pygame.MOUSEMOTION) + def onMouseMove(self, event) : + for col in reversed(self.sprites()[:-1]) : + if col.rect.collidepoint(*event.pos) : + self.raiseColOver(col) + break + + def raiseColDown(self, col) : + evt = pygame.event.Event(events.COLDOWN, column=col) + pygame.event.post(evt) + + def raiseColUp(self, col) : + evt = pygame.event.Event(events.COLUP, column=col) + pygame.event.post(evt) - def __init__(self, song) : - super(SongPlayingScreen, self).__init__(song.) - self.song = song + def raiseColOver(self, col) : + evt = pygame.event.Event(events.COLOVER, column=col) + 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 Column(pygame.sprite.Sprite) : + +class SongPlayingScreen(_PlayingScreenBase) : + + def __init__(self, synth, song, mode=PLAYING_MODES_DICT['EASY']) : + super(SongPlayingScreen, self).__init__(synth, song.distinctNotes) + self.song = song + 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) + + + 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 handleColumnDown(self, event) : + col = event.column + if col.state: + self.synth.noteon(0, col.tone.midi, DEFAULT_MIDI_VELOCITY) + self.currentNotePlayed = True + + def handleColumnUp(self, event) : + if self.currentNotePlayed : + self.synth.noteoff(0, self.currentColumn.tone.midi) + self.displayNext() - def __init__(self, color) : - pass \ No newline at end of file + 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() +