-# -*- 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
-from eventutils import event_handler, EventHandlerMixin
-from math import floor
-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
-
-
-class _PlayingScreenBase(pygame.sprite.OrderedUpdates, EventHandlerMixin) :
-
- def __init__(self, distinctNotes=[]) :
- """
- distinctNotes : notes disctinctes présentes dans la chanson
- triées du plus grave au plus aigu.
- """
- super(_PlayingScreenBase, self).__init__()
- 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
-
- 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
- print hue
- c = Column(hue, rect)
- self.add(c)
-
- def _initCursor(self) :
- self.cursor = WarpingCursor()
- #self.add(self.cursor)
-
-
- def highlightColumn(self, index) :
- for i, sprite in enumerate(self.sprites()) :
- sprite.update(i==index)
- self.draw(pygame.display.get_surface())
-
- def run(self):
- self._running = True
- 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)
-
- @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))
-
- @event_handler(pygame.MOUSEMOTION)
- def handleMouseMotion(self, event) :
- pass
-
-
-
-
-class SongPlayingScreen(_PlayingScreenBase) :
-
- def __init__(self, song) :
- super(SongPlayingScreen, self).__init__(song.distinctNotes)
- self.song = song
-
-class SongPlayingScreenTest(_PlayingScreenBase) :
- def __init__(self) :
- class C:pass
- o = C()
- o.midi=1
- super(SongPlayingScreenTest, self).__init__([o])
-
-
-class Column(pygame.sprite.Sprite) :
-
- 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 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)