Move constants out of classes
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@ -18,8 +18,13 @@ classifiers = [
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'License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)',
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'Natural Language :: English',
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'Operating System :: OS Independent',
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'Programming Language :: Python :: 3.7',
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'Programming Language :: Python :: 3.8',
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'Programming Language :: Python :: 3.9',
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'Programming Language :: Python :: 3 :: Only',
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'Programming Language :: Python',
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'Topic :: Games/Entertainment :: Arcade']
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requires-python = '>=3.7'
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keywords = 'stacker,arcade-game,pygame'
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license = 'GPLv3+'
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@ -1,4 +1,3 @@
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# -*- coding: utf-8 -*-
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# A clone of the arcade game Stacker
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# Copyright (C) 2007 Clint Herron
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# Copyright (C) 2017-2020 Nguyễn Gia Phong
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@ -18,14 +17,16 @@
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"""A clone of the arcade game Stacker"""
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__version__ = '2.0.2'
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__version__ = '2.1.0'
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__all__ = ['Slacker']
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from contextlib import ExitStack, redirect_stdout
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from importlib.resources import path
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from io import StringIO
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from math import cos, pi
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from random import randrange
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import pygame
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from pkg_resources import resource_filename
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with redirect_stdout(StringIO()): import pygame
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TANGO = {'Butter': ((252, 233, 79), (237, 212, 0), (196, 160, 0)),
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'Orange': ((252, 175, 62), (245, 121, 0), (206, 92, 0)),
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@ -37,10 +38,21 @@ TANGO = {'Butter': ((252, 233, 79), (237, 212, 0), (196, 160, 0)),
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'Aluminium': ((238, 238, 236), (211, 215, 207), (186, 189, 182),
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(136, 138, 133), (85, 87, 83), (46, 52, 54))}
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BG_COLOR = TANGO['Aluminium'][5]
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COLOR_MAJOR = TANGO['Scarlet Red']
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COLOR_MINOR = TANGO['Sky Blue']
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MAJOR = 5
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def data(resource):
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"""Return a true filesystem path for specified resource."""
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return resource_filename('slacker_game', resource)
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INTRO, PLAYING, LOSE, WIN = range(4)
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MAX_WIDTH = (1,)*7 + (2,)*5 + (3,)*3
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WIN_LEVEL = 15
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SCREEN_SIZE = SCREEN_WIDTH, SCREEN_HEIGHT = 280, 600
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BOARD_SIZE = BOARD_WIDTH, BOARD_HEIGHT = 7, 15
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TILE_SIZE = 40
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MAX_SPEED, WIN_SPEED, SPEED_DIFF = 70, 100, 5
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INIT_SPEED = MAX_SPEED + (BOARD_HEIGHT + 1)*SPEED_DIFF
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class SlackerTile:
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@ -48,20 +60,17 @@ class SlackerTile:
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Slacker object for storing tiles.
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"""
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SIZE = 40
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BG = TANGO['Aluminium'][5]
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MAJOR = 5
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def __init__(self, screen, x, y, state=1, missed_time=None):
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self.screen, self.x, self.y = screen, x, y
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if state == Slacker.LOSE:
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if state == LOSE:
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self.dim = 1
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elif missed_time is None:
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self.dim = 0
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else:
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self.dim = 2
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self.missed_time = missed_time
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self.wiggle = state in (Slacker.INTRO, Slacker.WIN)
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self.wiggle = state in (INTRO, WIN)
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def get_xoffset(self, maxoffset, duration=820):
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"""Return the offset on x-axis to make the tile complete an cycle of
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@ -69,7 +78,7 @@ class SlackerTile:
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"""
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if self.wiggle:
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return maxoffset * cos((pygame.time.get_ticks()/float(duration)
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+ self.y/float(Slacker.BOARD_HEIGHT)) * pi)
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+ self.y/float(BOARD_HEIGHT)) * pi)
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return 0
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def get_yoffset(self):
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@ -80,72 +89,68 @@ class SlackerTile:
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def isfallen(self):
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"""Return if the tile has fallen off the screen."""
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return self.y + self.get_yoffset() > Slacker.BOARD_HEIGHT
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return self.y + self.get_yoffset() > BOARD_HEIGHT
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def draw(self, max_x_offset=2):
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"""Draw the tile."""
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if self.y < self.MAJOR:
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color = Slacker.COLOR_MAJOR
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if self.y < MAJOR:
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color = COLOR_MAJOR
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else:
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color = Slacker.COLOR_MINOR
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rect = pygame.Rect((self.x+self.get_xoffset(max_x_offset)) * self.SIZE,
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(self.y+self.get_yoffset()) * self.SIZE,
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self.SIZE, self.SIZE)
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color = COLOR_MINOR
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rect = pygame.Rect((self.x+self.get_xoffset(max_x_offset)) * TILE_SIZE,
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(self.y+self.get_yoffset()) * TILE_SIZE,
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TILE_SIZE, TILE_SIZE)
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pygame.draw.rect(self.screen, color[self.dim], rect)
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pygame.draw.rect(self.screen, self.BG, rect, self.SIZE // 11)
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pygame.draw.rect(self.screen, BG_COLOR, rect, TILE_SIZE // 11)
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class Slacker:
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"""This class provides functions to run the game Slacker, a clone of
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the popular arcade game Stacker.
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"""
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BOARD_SIZE = BOARD_WIDTH, BOARD_HEIGHT = 7, 15
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SCREEN_SIZE = SCREEN_WIDTH, SCREEN_HEIGHT = 280, 600
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TILE_SIZE = 40
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COLOR_MAJOR = TANGO['Scarlet Red']
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COLOR_MINOR = TANGO['Sky Blue']
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BG_COLOR = TANGO['Aluminium'][5]
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ICON = pygame.image.load(data('icon.png'))
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MAX_WIDTH = (1,)*7 + (2,)*5 + (3,)*3
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MAX_SPEED = 70
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SPEED_DIFF = 5
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INIT_SPEED = MAX_SPEED + (BOARD_HEIGHT + 1)*SPEED_DIFF
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COLOR_CHANGE_Y = 5
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WIN_LEVEL = 15
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WIN_SPEED = 100
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INTRO, PLAYING, LOSE, WIN = range(4)
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def __init__(self, restart=False):
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pygame.init()
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pygame.display.set_icon(self.ICON)
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pygame.display.set_caption('Slacker')
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self.board = [[False]*self.BOARD_WIDTH
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for _ in range(self.BOARD_HEIGHT)]
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self.game_state = self.PLAYING if restart else self.INTRO
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self.exit_stack = ExitStack()
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self.font = self.data('VT323-Regular.ttf')
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self.board = [[False]*BOARD_WIDTH
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for _ in range(BOARD_HEIGHT)]
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self.game_state = PLAYING if restart else INTRO
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self.falling_tiles = []
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self.screen = pygame.display.set_mode(self.SCREEN_SIZE)
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self.speed = self.INIT_SPEED + randrange(5)
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self.speed = INIT_SPEED + randrange(5)
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self.speed_ratio = 1.0
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self.width = self.MAX_WIDTH[-1]
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self.y = self.BOARD_HEIGHT - 1
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self.width = MAX_WIDTH[-1]
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self.y = BOARD_HEIGHT - 1
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def __enter__(self):
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pygame.init()
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pygame.display.set_icon(pygame.image.load(self.data('icon.png')))
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pygame.display.set_caption('Slacker')
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self.screen = pygame.display.set_mode(SCREEN_SIZE)
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return self
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def __exit__(self, *exc):
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pygame.quit()
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self.exit_stack.close()
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def data(self, resource):
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"""Return a true filesystem path for specified resource."""
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return str(self.exit_stack.enter_context(
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path('slacker_game', resource)))
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def draw_text(self, string, height):
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"""Width-fit the string in the screen on the given height."""
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font = pygame.font.Font(
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data('VT323-Regular.ttf'),
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int(self.SCREEN_WIDTH * 2.5 / (len(string) + 1)))
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text = font.render(string, False, self.COLOR_MINOR[0])
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self.screen.blit(text, ((self.SCREEN_WIDTH - text.get_width()) // 2,
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int(self.SCREEN_HEIGHT * height)))
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self.font, int(SCREEN_WIDTH*2.5/(len(string)+1)))
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text = font.render(string, False, COLOR_MINOR[0])
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self.screen.blit(text, ((SCREEN_WIDTH - text.get_width()) // 2,
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int(SCREEN_HEIGHT * height)))
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def intro(self):
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"""Draw the intro screen."""
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for i in [(2, 2), (3, 2), (4, 2), (1.5, 3), (4.5, 3),
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(1.5, 4), (2, 5), (3, 5), (4, 5), (4.5, 6),
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(1.5, 7), (4.5, 7), (2, 8), (3, 8), (4, 8)]:
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SlackerTile(self.screen, *i, state=self.INTRO).draw(1.5)
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SlackerTile(self.screen, *i, state=INTRO).draw(1.5)
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if pygame.time.get_ticks() // 820 % 2:
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self.draw_text('Press Spacebar', 0.75)
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@ -165,30 +170,30 @@ class Slacker:
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def update_screen(self):
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"""Draw the whole screen and everything inside."""
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self.screen.fill(self.BG_COLOR)
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if self.game_state == self.INTRO:
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self.screen.fill(BG_COLOR)
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if self.game_state == INTRO:
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self.intro()
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elif self.game_state in (self.PLAYING, self.LOSE, self.WIN):
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elif self.game_state in (PLAYING, LOSE, WIN):
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self.draw_board()
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pygame.display.flip()
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def update_movement(self):
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"""Update the direction the blocks are moving in."""
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speed = self.speed * self.speed_ratio
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positions = self.BOARD_WIDTH + self.width - 2
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positions = BOARD_WIDTH + self.width - 2
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p = int(round(pygame.time.get_ticks() / speed)) % (positions * 2)
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self.x = (-p % positions if p > positions else p) - self.width + 1
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self.board[self.y] = [0 <= x - self.x < self.width
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for x in range(self.BOARD_WIDTH)]
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for x in range(BOARD_WIDTH)]
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def key_hit(self):
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"""Process the current position of the blocks relatively to the
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ones underneath when user hit the switch, then decide if the
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user will win, lose or go to the next level of the tower.
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"""
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if self.y < self.BOARD_HEIGHT - 1:
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if self.y < BOARD_HEIGHT - 1:
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for x in range(max(0, self.x),
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min(self.x + self.width, self.BOARD_WIDTH)):
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min(self.x + self.width, BOARD_WIDTH)):
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# If there isn't any block underneath
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if not self.board[self.y + 1][x]:
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# Get rid of the block not standing on solid ground
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@ -199,28 +204,28 @@ class Slacker:
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missed_time=pygame.time.get_ticks()))
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self.width = sum(self.board[self.y])
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if not self.width:
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self.game_state = self.LOSE
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self.game_state = LOSE
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elif not self.y:
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self.game_state = self.WIN
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self.game_state = WIN
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else:
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self.y -= 1
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self.width = min(self.width, self.MAX_WIDTH[self.y])
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self.speed = self.MAX_SPEED + self.y*self.SPEED_DIFF + randrange(5)
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self.width = min(self.width, MAX_WIDTH[self.y])
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self.speed = MAX_SPEED + self.y*SPEED_DIFF + randrange(5)
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def main_loop(self, loop=True):
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"""The main loop."""
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while loop:
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if self.game_state == self.INTRO:
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if self.game_state == INTRO:
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for event in pygame.event.get():
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if event.type == pygame.QUIT:
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loop = False
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elif event.type == pygame.KEYDOWN:
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if event.key == pygame.K_SPACE:
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self.game_state = self.PLAYING
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self.game_state = PLAYING
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elif event.key in (pygame.K_ESCAPE, pygame.K_q):
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loop = False
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elif self.game_state == self.PLAYING:
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elif self.game_state == PLAYING:
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for event in pygame.event.get():
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if event.type == pygame.QUIT:
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loop = False
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@ -231,12 +236,12 @@ class Slacker:
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self.__init__()
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# Yes, this is a cheat.
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elif event.key == pygame.K_0:
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self.width += self.width < self.BOARD_WIDTH
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self.width += self.width < BOARD_WIDTH
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elif event.key in range(pygame.K_1, pygame.K_9+1):
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self.speed_ratio = (pygame.K_9-event.key+1) / 5.0
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self.update_movement()
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elif self.game_state in (self.LOSE, self.WIN):
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elif self.game_state in (LOSE, WIN):
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for event in pygame.event.get():
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if event.type == pygame.QUIT:
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loop = False
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@ -1,13 +1,9 @@
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import pygame
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from slacker_game import Slacker
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def main():
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pygame.init()
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slacker = Slacker()
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slacker.main_loop()
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pygame.display.quit()
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with Slacker() as slacker:
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slacker.main_loop()
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if __name__ == '__main__': main()
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