476 lines
12 KiB
Python
Executable file
476 lines
12 KiB
Python
Executable file
#!/usr/bin/python
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# -*- coding: iso8859-15 -*-
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# first shoot'em um prototype
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# may be ported to DS later
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# it will use pygame (at least at the beginning) for input handling, graphics and sound
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import pygame
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from pygame.locals import *
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import os
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import random
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# constants
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SCREEN_X = 640
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SCREEN_Y = 480
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class Globals:
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def __init__(self):
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self.screen = None
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self.background = None
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self.level_event_list = []
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self.clock = None
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self.event_type = {}
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self.die = False
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self.moving_objects = pygame.sprite.RenderUpdates()
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self.bullets_list = pygame.sprite.RenderUpdates()
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self.bullet_factory = BulletFactory()
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self.enemies_list = pygame.sprite.RenderUpdates()
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self.enemies_active_list = pygame.sprite.RenderUpdates()
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self.enemy_factory = EnemyFactory()
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self.player = None
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class Event_Spawn:
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def __init__(self, enemy_type, pos):
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self.time = 0
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self.enemy_type = 0
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self.pos = pos
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def activate(self):
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e = globals.enemy_factory.create(self.enemy_type, self.pos)
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globals.enemies_list.add(e)
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globals.enemies_active_list.add(e)
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class Object(pygame.sprite.Sprite):
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def __init__(self, frames, pos, speed):
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pygame.sprite.Sprite.__init__(self)
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self.speed = speed
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self.frames = frames
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self.frames_index = 0
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self.image = None
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self.load()
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self.rect = self.image.get_rect().move(pos)
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def load(self):
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""" load sprite list """
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index = 0
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for f in self.frames:
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image = pygame.image.load(os.path.join('data', f)).convert()
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image.set_colorkey(pygame.Color(255,255,255, 0))
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self.frames[index] = image
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index += 1
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self.image = self.frames[self.frames_index]
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def update(self):
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self.rect.move_ip(self.speed)
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class BulletFactory():
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""" BulletFactory, create bullets """
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def create(self, type, pos, wavepos):
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""" create bullt of type type
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wave paremeter indicate the position of the bullet in the wave :
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starting the wave (0), middle (1) or ending the wave (2 )"""
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if type == 0:
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return self.create_type0(pos)
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if type == 1:
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return self.create_type1(pos, wavepos)
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def create_type0(self, pos):
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""" create a bullet of type 0
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temporary linear type """
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bullet = Bullet(['bullet.bmp'], 0, pos)
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bullet.speed = (10,0)
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bullet.damage = 10
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return bullet
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def create_type1(self, pos, wavepos):
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""" create a bullet of type 1
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temporary laser type """
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filename = 'laser' + str(wavepos + 1) + '.bmp'
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#print "filename: " + filename
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#filename = 'laser1.bmp'
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bullet = Bullet([filename], 0, pos)
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bullet.speed = (10,0)
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bullet.damage = 10
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return bullet
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def create_type2(self, pos, speed):
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""" create a bullet of type 2
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temporary ennemies bullet """
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bullet = Bullet(['bullet.bmp'], 0, pos)
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bullet.speed = speed
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bullet.damage = 10
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return bullet
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class Bullet(Object):
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def __init__(self, frames, type, pos):
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Object.__init__(self, frames, pos, (0, 0))
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self.type = type
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# recenter the sprite
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# self.rect = self.rect.move((0, - self.rect.height / 2))
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self.rect = self.rect.move((-32, - self.rect.height / 2))
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def update(self):
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# destroy when collide or when exists the screen
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if self.in_screen():
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self.rect.move_ip(self.speed)
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else:
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globals.bullets_list.remove(self)
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def in_screen(self):
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""" detect if bullet is in the screen """
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return self.rect.colliderect(globals.screen.get_rect())
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class Player(Object):
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def __init__(self, frames, pos, speed):
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Object.__init__(self, frames, pos, speed)
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self.shooting = False
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self.bullet_type = 0
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self.bullet_counter = 0
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self.bullet_threshold = 5
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def shoot(self):
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""" create a bullet and add it to the global bullet list"""
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bullet = globals.bullet_factory.create(self.bullet_type, self.rect.midright, self.shoot_wavepos)
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if self.shoot_wavepos == 0:
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self.shoot_wavepos = 1
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if self.shoot_wavepos == 2:
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self.shoot_wavepos = 0
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self.shooting = False
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globals.bullets_list.add(bullet)
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def start_move(self, vector):
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""" initiate moving sequence """
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globals.moving_objects.add(self)
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self.speed = (self.speed[0] + vector[0], self.speed[1] + vector[1])
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self.image = self.frames[1]
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def stop_move(self, vector):
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""" stop moving sequence """
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self.speed = (self.speed[0] - vector[0], self.speed[1] - vector[1])
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if self.speed == (0, 0):
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globals.moving_objects.remove(self)
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self.image = self.frames[0]
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def start_shoot(self):
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self.shooting = True
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self.shoot_wavepos = 0
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def stop_shoot(self):
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self.shoot_wavepos = 2
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def change_bullet_type(self):
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self.bullet_type ^= 1
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def update(self):
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self.rect.move_ip(self.speed)
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if self.shooting:
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if self.bullet_counter == self.bullet_threshold:
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self.shoot()
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self.bullet_counter = 0
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else:
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self.bullet_counter += 1
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class EnemyFactory:
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""" Enemy Factory - Creates Enemy """
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def __init__(self):
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pass
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def create(self, type, pos):
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if type == 0:
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return self.create_type0(pos)
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def create_type0(self, pos):
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e = Enemy(['enemy1_1.bmp', 'enemy1_2.bmp', 'enemy1_3.bmp', 'enemy1_4.bmp', 'enemy1_5.bmp', 'enemy1_6.bmp'], 0, pos)
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return e
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class Enemy(Object):
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def __init__(self, frames, type, pos):
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Object.__init__(self, frames, pos, (-1, 0))
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self.counter = 0
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self.counter_fire = 0
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self.threshold = 2
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self.threshold_fire = 100
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self.dying = False
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def update(self):
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if self.counter == self.threshold:
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if self.dying:
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self.frames_index += 1
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if self.frames_index == 6:
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globals.enemies_list.remove(self)
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return
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self.image = self.frames[self.frames_index]
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else:
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self.rect.move_ip(self.speed)
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self.counter = 0
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else:
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self.counter += 1
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if not self.dying:
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if self.counter_fire == self.threshold_fire:
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self.shoot_player()
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self.counter_fire = 0
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else:
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self.counter_fire += 1
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def shoot_player(self):
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""" shoot a bullet to the player """
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speed = self.aim_player()
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bullet = globals.bullet_factory.create_type2(self.rect.midleft, speed)
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globals.bullets_list.add(bullet)
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def aim_player(self):
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""" compute speed vector to aim at current player position """
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# get player position
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player_pos = globals.player.rect
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return (-10, 0)
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def die(self):
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""" make the enemy dying """
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self.dying = True
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self.threshold = 5
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self.frames_index = 2
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self.image = self.frames[self.frames_index]
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globals.enemies_active_list.remove(self)
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def init_gfx():
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"""graphics initialisation"""
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globals.screen = pygame.display.set_mode((SCREEN_X, SCREEN_Y), HWSURFACE|DOUBLEBUF)
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globals.screen.fill(0)
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pygame.display.flip()
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def init_sound():
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"""sound initialisation"""
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pass
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def init():
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""" general initialisation"""
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pygame.init()
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init_gfx()
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globals.clock = pygame.time.Clock()
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random.seed()
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#globals.event_type = {'create_enemeny' : create_enemey, 'vanish_object': vanish_object()}
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class Level():
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""" Level holder """
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def __init__(self):
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self.event_list = []
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self.past_event_list = []
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self.next_event = 0
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self.create_level1()
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def create_level1(self):
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""" phony level one"""
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# create events
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# dict events string => function
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# for e in keys(globals.events_type):
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self.event_list.insert(0, (50, Event_Spawn(0, (500,200)) ) )
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self.event_list.insert(0, (150, Event_Spawn(0, (500,100)) ) )
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self.event_list.insert(0, (150, Event_Spawn(0, (500,200)) ) )
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self.event_list.insert(0, (250, Event_Spawn(0, (500,100)) ) )
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self.event_list.insert(0, (250, Event_Spawn(0, (500,200)) ) )
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self.event_list.insert(0, (250, Event_Spawn(0, (500,300)) ) )
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self.next_event, event = self.event_list[-1]
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print "next : " + str(self.next_event)
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def update(self, nbframe):
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# print "(next, frame) : (" + str(self.next_event) + ", " + str(self.next_event) + ")"
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while nbframe == self.next_event:
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event_tuple = self.event_list.pop()
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frame, event = event_tuple
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event.activate()
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self.past_event_list.append(event)
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#self.event_list.remove(event_tuple)
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if len(self.event_list) > 0:
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self.next_event, event = self.event_list[-1]
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else:
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# no more event
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self.end()
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self.next_event = 0
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def end(self):
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""" end of level """
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pass
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def wait_keypress():
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""" wait for a keypress and then return """
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next = 0
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while next != 1:
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for event in pygame.event.get():
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if event.type == KEYDOWN:
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next = 1
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def process_key(event, player):
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""" process keyboard input """
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if event.type == KEYDOWN:
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if event.key == K_ESCAPE:
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globals.die = True
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elif event.key == K_UP:
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player.start_move((0, -1))
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elif event.key == K_DOWN:
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player.start_move((0, 1))
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elif event.key == K_LEFT:
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player.start_move((-1, 0))
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elif event.key == K_RIGHT:
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player.start_move((1, 0))
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elif event.key == K_x:
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player.start_shoot()
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elif event.key == K_e:
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e = Enemy(['enemy1_1.bmp', 'enemy1_2.bmp', 'enemy1_3.bmp', 'enemy1_4.bmp', 'enemy1_5.bmp', 'enemy1_6.bmp'], 0, (500, 200))
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globals.enemies_list.add(e)
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globals.enemies_active_list.add(e)
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elif event.key == K_SPACE:
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player.change_bullet_type()
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if event.type == KEYUP:
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if event.key == K_UP:
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player.stop_move((0, -1))
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elif event.key == K_DOWN:
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player.stop_move((0, 1))
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elif event.key == K_LEFT:
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player.stop_move((-1, 0))
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elif event.key == K_RIGHT:
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player.stop_move((1,0))
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elif event.key == K_x:
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player.stop_shoot()
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def transition(type):
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""" transition selector """
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if type == 0:
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transition_disintegrate()
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elif type == 1:
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transition_fade_to_black()
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elif type == 2:
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transition_fade_to_white()
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def transition_disintegrate():
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""" put black pixels at randoom location"""
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for i in range(0, 200000):
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x = random.randint(0, SCREEN_X)
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y = random.randint(0, SCREEN_Y)
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globals.screen.set_at((x, y), (0,0,0, 255))
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if i % 1000 == 0 :
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pygame.display.update()
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globals.screen.fill((0, 0, 0))
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pygame.display.update()
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def transition_fade_to_black():
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""" darken every pixels on screen """
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array = pygame.PixelArray(globals.screen)
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pass
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def transition_fade_to_white():
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""" lighten every pixels on screen """
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pass
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def handle_enemies_collisions(collisions):
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""" take the returned dictionnary from pygame.sprite.groupcollide()"""
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for bullet, enemies in collisions.iteritems():
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if enemies != []:
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for e in enemies:
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e.die()
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globals.bullets_list.remove(bullet)
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##
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# Main
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##
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globals = Globals()
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init()
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wait_keypress()
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nbframe = 0
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# initialize level
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level = Level()
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# create_player
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player = Player(['player1_1.bmp', 'player1_2.bmp'], (50, 50), (0, 0))
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globals.player = player
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# background
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globals.background = pygame.image.load(os.path.join('data', 'background1.bmp')).convert()
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background_rect = globals.background.get_rect()
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globals.screen.blit(globals.background, background_rect)
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pygame.display.flip()
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# draw initial sprite
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globals.moving_objects.add(player)
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while not globals.die:
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# erase previously moved objects
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globals.moving_objects.clear(globals.screen, globals.background)
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globals.bullets_list.clear(globals.screen, globals.background)
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globals.enemies_list.clear(globals.screen, globals.background)
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# update game logic
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globals.moving_objects.update()
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globals.bullets_list.update()
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globals.enemies_list.update()
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# collisions
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ret = pygame.sprite.groupcollide(globals.bullets_list, globals.enemies_active_list, False, False)
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handle_enemies_collisions(ret)
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# add player (if it's not already in the group). ugly, but ok for now.
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globals.moving_objects.add(player)
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# drawing
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rectlist = globals.moving_objects.draw(globals.screen)
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rectlist.extend(globals.bullets_list.draw(globals.screen))
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rectlist.extend(globals.enemies_list.draw(globals.screen))
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pygame.display.update(rectlist)
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# pygame.display.flip()
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nbframe = nbframe + 1
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# do level things
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level.update(nbframe)
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globals.clock.tick(60)
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for event in pygame.event.get():
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if event.type == KEYDOWN or event.type == KEYUP:
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process_key(event, player)
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# reinitializing moving objects list
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#globals.moving_objects = pygame.sprite.RenderUpdates()
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#transition(0)
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print "frames : %d" % nbframe
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# TODO:
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# + Objects / Sprites
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# --> convert my Objects to pygame.sprite.Sprite
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# --> convert moving_objects list to Group
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# + Input
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# --> handle continuous keypress
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# + Movving Sprites
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# --> handle continous player move (related to Input)
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# --> Sprites (non related to player input) movement vector, etc...
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