$URL$
"""
import pygame
-from colorsys import hls_to_rgb
-from gradients import gradients
-# TODO : positionner cette constance en fonction de la résolution d'affichage
-# externaliser la conf.
-BORDER = 5 # 5px
-FIRST_HUE = 0.6
-OFF_LUMINANCE = 0.1
-OFF_SATURATION = 1
-ON_TOP_LUMINANCE = 0.9
-ON_BOTTOM_LUMINANCE = 0.6
-ON_SATURATION = 1
-
-class _PlayingScreenBase(object) :
- def __init__(self, distinctNotes=[]) :
+from cursors import WarpingCursor
+from column import Column
+import events
+from eventutils import event_handler, EventDispatcher, EventHandlerMixin
+import types
+from musicxml import Tone
+
+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
+
+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 :
- 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()
dispWidth = screen.get_width() - 2 * BORDER
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)
hueStep = FIRST_HUE / (self.keyboardLength - 1)
for i, rect in enumerate(self.keyboardRects) :
hue = FIRST_HUE - hueStep * i
- c = Column(hue)
-
+ 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)
+
+ 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
- def drawColumns(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.raiseKeyDown(col)
+ break
+
+ @event_handler(pygame.MOUSEBUTTONUP)
+ def onMouseUp(self, event) :
+ for col in reversed(self.sprites()[:-1]) :
+ if col.rect.collidepoint(*event.pos) :
+ self.raiseKeyUp(col)
+ break
+
+ def raiseKeyDown(self, col) :
+ evt = pygame.event.Event(events.COLDOWN, column=col)
+ pygame.event.post(evt)
+
+ def raiseKeyUp(self, col) :
+ evt = pygame.event.Event(events.COLUP, column=col)
+ pygame.event.post(evt)
+
+
+class PlayingScreen(_PlayingScreenBase) :
+ "fenêtre de jeu pour improvisation"
- def highLightColumn(self) :
- pass
+ 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.)
+ def __init__(self, synth, song, mode=PLAYING_MODES['NORMAL']) :
+ super(SongPlayingScreen, self).__init__(synth, song.distinctNotes)
self.song = song
+ self.currentColumn = None
+ self.noteIterator = self.song.iterNotes()
+ self.displayNext()
-
-
-class Column(pygame.sprite.Sprite) :
+ def displayNext(self) :
+ if self.currentColumn:
+ self.currentColumn.update(False)
+ note, verseIndex = self.noteIterator.next()
+ syllabus = note.lyrics[verseIndex].syllabus(encoding="iso-8859-1")
+ column = self.columns[note.midi]
+ column.update(True, syllabus)
+ self.currentColumn = column
+ self.currentNotePlayed = False
- def __init__(self, hue, rect) :
- pygame.sprite.Sprite.__init__(self)
- sur = Surface(rect.size)
- rgba = hls_to_rgb(hue, OFF_LUMINANCE, OFF_SATURATION) + (255,)
- sur.fill(rgba)
- self.stateOff = sur
-
- topRgba = hls_to_rgb(hue, ON_TOP_LUMINANCE, ON_SATURATION) + (255,)
- bottomRgba = hls_to_rgb(hue, ON_BOTTOM_LUMINANCE, ON_SATURATION) + (255,)
- size = rect.inflate(2*rect.width,0).size
- self.stateOn = gradients.vertical(size, topRgba, bottomRgba)
-
\ No newline at end of file
+ @event_handler(events.COLDOWN)
+ def handleColumnDown(self, event) :
+ col = event.column
+ if col.state:
+ self.synth.noteon(0, col.tone.midi, DEFAULT_MIDI_VELOCITY)
+ self.currentNotePlayed = True
+
+ @event_handler(events.COLUP)
+ def handleColumnUp(self, event) :
+ if self.currentNotePlayed :
+ self.synth.noteoff(0, self.currentColumn.tone.midi)
+ self.displayNext()
projects / minwii.git / blobdiff