X-Git-Url: https://scm.cri.ensmp.fr/git/minwii.git/blobdiff_plain/760a2904b59a2c59dd006def017dbdb45b64516a..46f3ffd7fdde386f41020171b5733e55a8e64a85:/src/app/widgets/playingscreen.py?ds=sidebyside diff --git a/src/app/widgets/playingscreen.py b/src/app/widgets/playingscreen.py deleted file mode 100755 index 7e94d0e..0000000 --- a/src/app/widgets/playingscreen.py +++ /dev/null @@ -1,224 +0,0 @@ -# -*- coding: utf-8 -*- -""" -Écran de jeu MinWii : -bandes arc-en-ciel représentant un clavier. - -$Id$ -$URL$ -""" -import pygame -from colorsys import hls_to_rgb -from gradients import gradients -from cursors import WarpingCursor -import events -from eventutils import event_handler, EventDispatcher, EventHandlerMixin -from math import floor -import types -from musicxml import Tone -import fluidsynth - -from config import FRAMERATE -from config import BORDER -from config import FIRST_HUE -from config import OFF_LUMINANCE -from config import OFF_SATURATION -from config import ON_TOP_LUMINANCE -from config import ON_BOTTOM_LUMINANCE -from config import ON_SATURATION -from config import ON_COLUMN_OVERSIZING -from config import ON_COLUMN_ALPHA -from config import FONT -from config import FONT_COLOR - -BACKGROUND_LAYER = 0 -FOREGROUND_LAYER = 1 -CURSOR_LAYER = 2 - -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._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 - 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 - - columnWidth = int(round(float(dispWidth) / self.keyboardLength)) - - rects = [] - for i in range(self.keyboardLength) : - upperLeftCorner = (i*columnWidth + BORDER, BORDER) - rect = pygame.Rect(upperLeftCorner, (columnWidth, dispHeight)) - rects.append(rect) - - self.keyboardRects = rects - - 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) - - 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) - - 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 - - -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, 64) - - @event_handler(events.NOTEOFF) - def noteoff(self, evt) : - tone = evt.tone - self.synth.noteoff(0, tone.midi) - - -class SongPlayingScreen(_PlayingScreenBase) : - - def __init__(self, synth, song) : - super(SongPlayingScreen, self).__init__(synth, song.distinctNotes) - self.song = song - - @event_handler(events.NOTEON) - def noteon(self, evt) : - tone = evt.tone - self.synth.noteon(0, tone.midi, 64) - - @event_handler(events.NOTEOFF) - def noteoff(self, evt) : - tone = evt.tone - self.synth.noteoff(0, tone.midi) - - - -class Column(pygame.sprite.DirtySprite, EventHandlerMixin) : - - def __init__(self, group, hue, rect, tone) : - pygame.sprite.DirtySprite.__init__(self, group) - self.tone = tone - toneName = FONT.render(tone.nom, True, (0,0,0)) - sur = pygame.surface.Surface(rect.size) - rgba = hls_to_rgba_8bits(hue, OFF_LUMINANCE, OFF_SATURATION) - sur.fill(rgba) - w, h = rect.w, rect.h - tw, th, = toneName.get_size() - toneRect = pygame.Rect(((w - tw) / 2, h - th), (tw, th)) - sur.blit(toneName, toneRect) - self.stateOff = sur - self.rectOff = rect - - topRgba = hls_to_rgba_8bits(hue, ON_TOP_LUMINANCE, ON_SATURATION, ON_COLUMN_ALPHA) - bottomRgba = hls_to_rgba_8bits(hue, ON_BOTTOM_LUMINANCE, ON_SATURATION, ON_COLUMN_ALPHA) - onWidth = rect.width * ON_COLUMN_OVERSIZING - onLeft = rect.centerx - onWidth / 2 - rectOn = pygame.Rect((onLeft, 0), - (onWidth, rect.height)) - self.stateOn = gradients.vertical(rectOn.size, topRgba, bottomRgba) - w, h = rectOn.w, rectOn.h - toneRect = pygame.Rect(((w - tw) / 2, h - th), (tw, th)) - self.stateOn.blit(toneName, toneRect) - self.rectOn = rectOn - - self.image = self.stateOff - self.rect = rect - - def update(self, state) : - group = self.groups()[0] - if state : - group.change_layer(self, FOREGROUND_LAYER) - self.image = self.stateOn - self.rect = self.rectOn - else : - group.change_layer(self, BACKGROUND_LAYER) - self.image = self.stateOff - self.rect = self.rectOff - - @event_handler(pygame.MOUSEBUTTONDOWN) - def onMouseDown(self, event) : - if self.rect.collidepoint(*event.pos) : - self.update(True) - self.raiseNoteOn() - - @event_handler(pygame.MOUSEBUTTONUP) - def onMouseUp(self, event) : - self.update(False) - self.raiseNoteOff() - - def raiseNoteOn(self) : - evt = pygame.event.Event(events.NOTEON, tone=self.tone) - pygame.event.post(evt) - - def raiseNoteOff(self) : - evt = pygame.event.Event(events.NOTEOFF, tone=self.tone) - pygame.event.post(evt) - - - -def hls_to_rgba_8bits(h, l, s, a=1) : - #convert to rgb ranging from 0 to 255 - rgba = [floor(255 * i) for i in hls_to_rgb(h, l, s) + (a,)] - return tuple(rgba)