344 lines
8.4 KiB
Python
Executable File
344 lines
8.4 KiB
Python
Executable File
#!/usr/bin/env python
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import pygame
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import random
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#
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# Tetrad
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#
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class Tetrad:
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block_rotations = 4
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block_configs = [
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(1, 0x00f0222200f02222), # Shape I
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(2, 0x0232007202620270), # Shape T
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(3, 0x0033003300330033), # Shape O
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(4, 0x0170022300740622), # Shape L
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(5, 0x0071022604700322), # Shape J
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(6, 0x0462036004620360), # Shape S
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(7, 0x0264063002640630) # Shape Z
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]
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def __init__(self, position, config, rotation):
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self.position = position
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self.config = config
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self.rotation = rotation
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def color(self):
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return self.block_configs[self.config][0]
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def layout(self):
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layout = list()
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mask = self.block_configs[self.config][1] >> (16 * self.rotation)
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for bit in xrange(16):
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position = bit % 4, bit / 4
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if mask & (1 << bit):
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layout.append((self.position[0] + position[0], self.position[1] + position[1]))
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return layout
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def moved_left(self):
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return Tetrad((self.position[0]-1, self.position[1]), self.config, self.rotation)
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def moved_right(self):
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return Tetrad((self.position[0]+1, self.position[1]), self.config, self.rotation)
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def moved_down(self):
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return Tetrad((self.position[0], self.position[1]+1), self.config, self.rotation)
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def rotated(self):
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return Tetrad(self.position, self.config, (self.rotation + 1) % self.block_rotations)
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@staticmethod
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def random(position=(0, 0)):
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config = random.randrange(len(Tetrad.block_configs))
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rotation = random.randrange(Tetrad.block_rotations)
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return Tetrad(position, config, rotation)
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#
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# Board
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#
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class Board:
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border_color = 0xffffff
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grid_color = 0x808080
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block_colors = [
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0x000000, # Black
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0x00ffff, # Cyan
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0x0000ff, # Blue
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0xff8000, # Orange
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0xffff00, # Yellow
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0x00ff00, # Green
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0x800080, # Purple
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0xff0000, # Red
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]
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def __init__(self, grid_position, grid_dims, grid_border_width, block_dims):
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self.grid_dims = grid_dims
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self.grid_border_width = grid_border_width
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self.block_dims = block_dims
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grid_screen_dims = grid_border_width*2 + grid_dims[0]*block_dims[0], grid_border_width*2 + grid_dims[1]*block_dims[1]
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self.grid_rect = pygame.Rect(grid_position, grid_screen_dims)
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self.blocks = [[0]*grid_dims[0] for i in range(grid_dims[1])]
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def render(self, surface, tetrad):
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self.render_frame(surface)
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self.render_blocks(surface)
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self.render_tetrad(surface, tetrad)
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def render_frame(self, surface):
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pygame.draw.rect(surface, self.border_color, self.grid_rect, self.grid_border_width)
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def render_blocks(self, surface):
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for y in xrange(self.grid_dims[1]):
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for x in xrange(self.grid_dims[0]):
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self.render_block(surface, self.blocks[y][x], (x, y))
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def render_tetrad(self, surface, tetrad):
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color = tetrad.color()
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for point in tetrad.layout():
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self.render_block(surface, color, point)
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def render_block(self, surface, color, position):
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block_rect = self.block_screen_rect(position)
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pygame.draw.rect(surface, self.block_colors[color], block_rect)
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if color != 0:
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pygame.draw.rect(surface, self.grid_color, block_rect, 1)
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def block_screen_rect(self, position):
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top_left = (
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self.grid_border_width+self.grid_rect.x+self.block_dims[0]*position[0],
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self.grid_border_width+self.grid_rect.y+self.block_dims[1]*position[1]
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)
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return pygame.Rect(top_left, self.block_dims)
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def can_place_tetrad(self, tetrad):
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for point in tetrad.layout():
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if point[0] < 0 or point[1] < 0:
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return False
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if point[0] >= self.grid_dims[0] or point[1] >= self.grid_dims[1]:
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return False
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if self.blocks[point[1]][point[0]] != 0:
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return False
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return True
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def place_tetrad(self, tetrad):
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color = tetrad.color()
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for point in tetrad.layout():
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self.blocks[point[1]][point[0]] = color
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def settle(self):
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row_src = row_dst = self.grid_dims[1] - 1
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while row_dst >= 0:
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row_data = self.blocks[row_src] if row_src >= 0 else self.grid_dims[0] * [0]
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self.blocks[row_dst] = row_data
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row_src -= 1
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if 0 in row_data:
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row_dst -= 1
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#
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# Game
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#
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class Game:
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interval = 500
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def __init__(self):
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self.new_game()
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def new_game(self):
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border_width = 3
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block_dims = 20, 20
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padding = 10
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self.board = Board((padding, padding), (10, 20), border_width, block_dims)
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self.board_prev = Board((self.board.grid_rect.right+padding, padding), (4, 4), border_width, block_dims)
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self.tetrad = Tetrad.random()
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self.tetrad_next = Tetrad.random()
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self.counter = 0
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self.active = True
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def end_game(self):
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self.active = False
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def render(self, surface):
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self.board.render(surface, self.tetrad)
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self.board_prev.render(surface, self.tetrad_next)
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def advance(self, elapsed):
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if not self.active:
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return
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self.counter += elapsed
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if self.counter > self.interval:
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self.lower_tetrad()
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def try_placement(self, tetrad):
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if self.board.can_place_tetrad(tetrad):
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self.tetrad = tetrad
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return True
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return False
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def lower_tetrad(self):
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self.counter = 0
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if self.try_placement(self.tetrad.moved_down()):
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return True
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self.board.place_tetrad(self.tetrad)
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self.board.settle()
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self.tetrad = self.tetrad_next
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self.tetrad_next = Tetrad.random()
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if not self.try_placement(self.tetrad):
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self.end_game()
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return False
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def move_left(self):
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if self.active:
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self.try_placement(self.tetrad.moved_left())
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def move_right(self):
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if self.active:
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self.try_placement(self.tetrad.moved_right())
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def move_down(self):
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if self.active:
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self.lower_tetrad()
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def rotate(self):
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if self.active:
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self.try_placement(self.tetrad.rotated())
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def drop(self):
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if self.active:
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while self.lower_tetrad():
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pass
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#
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# Engine
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#
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class Engine:
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def __init__(self):
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self.surface = None
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self.game = Game()
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def create(self, resolution):
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pygame.init()
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self.surface = pygame.display.set_mode(resolution, pygame.DOUBLEBUF)
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self.ticks = pygame.time.get_ticks()
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if pygame.joystick.get_count() > 0:
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self.joystick = pygame.joystick.Joystick(0)
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self.joystick.init()
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else:
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self.joystick = None
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def update(self):
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ticks = pygame.time.get_ticks()
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self.game.advance(ticks - self.ticks)
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self.game.render(self.surface)
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self.ticks = ticks
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pygame.display.flip()
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pygame.time.delay(1)
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event = pygame.event.poll()
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return self.handle_event(event)
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def destroy(self):
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self.surface = None
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if self.joystick is not None:
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self.joystick.quit()
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pygame.quit()
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def handle_event(self, event):
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if event.type == pygame.QUIT:
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return False
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if event.type == pygame.KEYDOWN:
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if event.key == pygame.K_LEFT:
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self.game.move_left()
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elif event.key == pygame.K_RIGHT:
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self.game.move_right()
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elif event.key == pygame.K_DOWN:
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self.game.move_down()
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elif event.key == pygame.K_UP:
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self.game.rotate()
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elif event.key == pygame.K_SPACE:
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self.game.drop()
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elif event.key == pygame.K_ESCAPE:
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return False
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elif event.type == pygame.JOYAXISMOTION:
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if event.axis == 0:
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if event.value > 0: self.game.move_right()
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elif event.value < 0: self.game.move_left()
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elif event.axis == 1:
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if event.value > 0: self.game.move_down()
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elif event.value < 0: self.game.rotate()
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return True
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#
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# Entry
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#
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def main():
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engine = Engine()
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engine.create((800, 600))
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while engine.update():
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pass
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engine.destroy()
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if __name__ == '__main__':
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main()
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