+++ /dev/null
-# -*- coding: utf-8 -*-
-"""
-Écran de jeu MinWii :
-bandes arc-en-ciel représentant un clavier.
-
-$Id$
-$URL$
-"""
-import pygame
-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 FIRST_HUE
-from config import MIDI_VELOCITY_RANGE
-from config import MIDI_PAN_RANGE
-from config import MIDI_VELOCITY_WRONG_NOTE_ATTN
-
-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.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.
- """
- self.keyboardLength = len(self.distinctNotes)
-
- screen = pygame.display.get_surface()
-
- self.dispWidth = dispWidth = screen.get_width()
- self.dispHeight = dispHeight = screen.get_height()
-
- columnWidth = int(round(float(dispWidth) / self.keyboardLength))
-
- rects = []
- for i in range(self.keyboardLength) :
- upperLeftCorner = (i*columnWidth, 0)
- 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, i, 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 or event.unicode == u'q':
- 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)
- 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)
- break
-
- @event_handler(pygame.MOUSEMOTION)
- def onMouseMove(self, event) :
- for col in reversed(self.sprites()[:-1]) :
- if col.rect.collidepoint(*event.pos) :
- self.raiseColOver(col, event)
- break
-
- def raiseColDown(self, col, mouseEvent) :
- evt = pygame.event.Event(events.COLDOWN, column=col, pos=mouseEvent.pos)
- pygame.event.post(evt)
-
- def raiseColUp(self, col, mouseEvent) :
- evt = pygame.event.Event(events.COLUP, column=col, pos=mouseEvent.pos)
- pygame.event.post(evt)
-
- def raiseColOver(self, col, mouseEvent) :
- evt = pygame.event.Event(events.COLOVER, column=col, pos=mouseEvent.pos, mouseEvent=mouseEvent)
- pygame.event.post(evt)
-
- def getVelocity(self, pos) :
- vel = (float(self.dispWidth) - pos[1]) / self.dispWidth
- vel = int(vel * (MIDI_VELOCITY_RANGE[1] - MIDI_VELOCITY_RANGE[0])) + MIDI_VELOCITY_RANGE[0]
- return vel
-
- def getPan(self, index) :
- pan = float(index) / (self.keyboardLength -1)
- pan = int(pan * (MIDI_PAN_RANGE[1] - MIDI_PAN_RANGE[0])) + MIDI_PAN_RANGE[0]
- return pan
-
- def playnote(self, col, pos, vel=None) :
- pan = self.getPan(col.index)
- self.synth.cc(0, 10, pan)
- vel = vel or self.getVelocity(pos)
- self.synth.noteon(0, col.tone.midi, vel)
-
-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, 96)
-
- @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, mode=PLAYING_MODES_DICT['NORMAL']) :
- super(SongPlayingScreen, self).__init__(synth, song.distinctNotes)
- self.song = song
- self.quarterNoteDuration = song.quarterNoteDuration
- self.currentColumn = None
- self.noteIterator = self.song.iterNotes()
- self.displayNext()
- self._plugListeners(mode)
-
- def _plugListeners(self, mode) :
- "initialisation des gestionnaires d'événements en fonction du mode"
-
- if mode == PLAYING_MODES_DICT['EASY'] :
- EventDispatcher.addEventListener(events.COLOVER, self.handleEasyColumnOver)
-
- elif mode == PLAYING_MODES_DICT['NORMAL'] :
- EventDispatcher.addEventListener(events.COLOVER, self.handleNormalColumnOver)
- EventDispatcher.addEventListener(events.COLDOWN, self.handleColumnDown)
- EventDispatcher.addEventListener(events.COLUP, self.handleColumnUp)
-
- elif mode == PLAYING_MODES_DICT['ADVANCED'] :
- EventDispatcher.addEventListener(events.COLDOWN, self.handleColumnDown)
- EventDispatcher.addEventListener(events.COLUP, self.handleColumnUp)
-
- elif mode == PLAYING_MODES_DICT['EXPERT'] :
- EventDispatcher.addEventListener(events.COLDOWN, self.handleExpertColumnDown)
- EventDispatcher.addEventListener(events.COLUP, self.handleExpertColumnUp)
-
-
- # --- HID listeners ---
- def handleEasyColumnOver(self, event) :
- col = event.column
- if col.state and not self.currentNotePlayed :
- self.playnote(col, event.pos)
- SongPlayingScreen.setNoteTimeout(
- int(self.currentNote.duration * \
- self.quarterNoteDuration)
- )
- self.currentNotePlayed = True
-
- def handleNormalColumnOver(self, event) :
- col = event.column
- if col.state and \
- any(event.mouseEvent.buttons) and \
- not self.currentNotePlayed :
- self.playnote(col, event.pos)
- self.currentNotePlayed = True
-
- def handleColumnDown(self, event) :
- col = event.column
- if col.state:
- self.playnote(col, event.pos)
- self.currentNotePlayed = True
-
- def handleExpertColumnDown(self, event) :
- col = event.column
- if col.state :
- self.playnote(col, event.pos)
- self.currentNotePlayed = True
- else :
- vel = self.getVelocity(event.pos) * MIDI_VELOCITY_WRONG_NOTE_ATTN
- vel = int(vel)
- self.playnote(col, event.pos, vel=vel)
- self.alternateColumn = col
- self.currentNotePlayed = False
-
- def handleColumnUp(self, event) :
- if self.currentNotePlayed :
- self.synth.noteoff(0, self.currentColumn.tone.midi)
- self.displayNext()
-
- def handleExpertColumnUp(self, event) :
- if self.currentNotePlayed :
- self.synth.noteoff(0, self.currentColumn.tone.midi)
- self.displayNext()
- else :
- self.synth.noteoff(0, self.alternateColumn.tone.midi)
-
- # --- End HID listeners ---
-
-
- 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
-
- @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()
-
-
\ No newline at end of file
projects / minwii.git / blobdiff