??作者：小劉在這里

??每天分享云計算網絡運維課堂筆記，努力不一定有回報，但一定會有收獲加油！一起努力，共赴美好人生！

??夕陽下，是最美的，綻放，愿所有的美好，再疫情結束后如約而至。

目錄

一.效果呈現

?二.主代碼

三.cfg

四.README

一.效果呈現

?二.主代碼

'''
Function:
    推箱子小游戲
 
'''
import os
import sys
import cfg
import pygame
from modules import *
from itertools import chain


'''游戲地圖'''
class gameMap():
    def __init__(self, num_cols, num_rows):
        self.walls = []
        self.boxes = []
        self.targets = []
        self.num_cols = num_cols
        self.num_rows = num_rows
    '''增加游戲元素'''
    def addElement(self, elem_type, col, row):
        if elem_type == 'wall':
            self.walls.append(elementSprite('wall.png', col, row, cfg))
        elif elem_type == 'box':
            self.boxes.append(elementSprite('box.png', col, row, cfg))
        elif elem_type == 'target':
            self.targets.append(elementSprite('target.png', col, row, cfg))
    '''畫游戲地圖'''
    def draw(self, screen):
        for elem in self.elemsIter():
            elem.draw(screen)
    '''游戲元素迭代器'''
    def elemsIter(self):
        for elem in chain(self.targets, self.walls, self.boxes):
            yield elem
    '''該關卡中所有的箱子是否都在指定位置, 在的話就是通關了'''
    def levelCompleted(self):
        for box in self.boxes:
            is_match = False
            for target in self.targets:
                if box.col == target.col and box.row == target.row:
                    is_match = True
                    break
            if not is_match:
                return False
        return True
    '''某位置是否可到達'''
    def isValidPos(self, col, row):
        if col >= 0 and row >= 0 and col < self.num_cols and row < self.num_rows:
            block_size = cfg.BLOCKSIZE
            temp1 = self.walls + self.boxes
            temp2 = pygame.Rect(col * block_size, row * block_size, block_size, block_size)
            return temp2.collidelist(temp1) == -1
        else:
            return False
    '''獲得某位置的box'''
    def getBox(self, col, row):
        for box in self.boxes:
            if box.col == col and box.row == row:
                return box
        return None


'''游戲界面'''
class gameInterface():
    def __init__(self, screen):
        self.screen = screen
        self.levels_path = cfg.LEVELDIR
        self.initGame()
    '''導入關卡地圖'''
    def loadLevel(self, game_level):
        with open(os.path.join(self.levels_path, game_level), 'r') as f:
            lines = f.readlines()
        # 游戲地圖
        self.game_map = gameMap(max([len(line) for line in lines]) - 1, len(lines))
        # 游戲surface
        height = cfg.BLOCKSIZE * self.game_map.num_rows
        width = cfg.BLOCKSIZE * self.game_map.num_cols
        self.game_surface = pygame.Surface((width, height))
        self.game_surface.fill(cfg.BACKGROUNDCOLOR)
        self.game_surface_blank = self.game_surface.copy()
        for row, elems in enumerate(lines):
            for col, elem in enumerate(elems):
                if elem == 'p':
                    self.player = pusherSprite(col, row, cfg)
                elif elem == '*':
                    self.game_map.addElement('wall', col, row)
                elif elem == '#':
                    self.game_map.addElement('box', col, row)
                elif elem == 'o':
                    self.game_map.addElement('target', col, row)
    '''游戲初始化'''
    def initGame(self):
        self.scroll_x = 0
        self.scroll_y = 0
    '''將游戲界面畫出來'''
    def draw(self, *elems):
        self.scroll()
        self.game_surface.blit(self.game_surface_blank, dest=(0, 0))
        for elem in elems:
            elem.draw(self.game_surface)
        self.screen.blit(self.game_surface, dest=(self.scroll_x, self.scroll_y))
    '''因為游戲界面面積>游戲窗口界面, 所以需要根據人物位置滾動'''
    def scroll(self):
        x, y = self.player.rect.center
        width = self.game_surface.get_rect().w
        height = self.game_surface.get_rect().h
        if (x + cfg.SCREENSIZE[0] // 2) > cfg.SCREENSIZE[0]:
            if -1 * self.scroll_x + cfg.SCREENSIZE[0] < width:
                self.scroll_x -= 2
        elif (x + cfg.SCREENSIZE[0] // 2) > 0:
            if self.scroll_x < 0:
                self.scroll_x += 2
        if (y + cfg.SCREENSIZE[1] // 2) > cfg.SCREENSIZE[1]:
            if -1 * self.scroll_y + cfg.SCREENSIZE[1] < height:
                self.scroll_y -= 2
        elif (y + 250) > 0:
            if self.scroll_y < 0:
                self.scroll_y += 2


'''某一關卡的游戲主循環(huán)'''
def runGame(screen, game_level):
    clock = pygame.time.Clock()
    game_interface = gameInterface(screen)
    game_interface.loadLevel(game_level)
    font_path = os.path.join(cfg.FONTDIR, 'simkai.ttf')
    text = '按R鍵重新開始本關'
    font = pygame.font.Font(font_path, 15)
    text_render = font.render(text, 1, (255, 255, 255))
    while True:
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                pygame.quit()
                sys.exit(0)
            elif event.type == pygame.KEYDOWN:
                if event.key == pygame.K_LEFT:
                    next_pos = game_interface.player.move('left', is_test=True)
                    if game_interface.game_map.isValidPos(*next_pos):
                        game_interface.player.move('left')
                    else:
                        box = game_interface.game_map.getBox(*next_pos)
                        if box:
                            next_pos = box.move('left', is_test=True)
                            if game_interface.game_map.isValidPos(*next_pos):
                                game_interface.player.move('left')
                                box.move('left')
                    break
                if event.key == pygame.K_RIGHT:
                    next_pos = game_interface.player.move('right', is_test=True)
                    if game_interface.game_map.isValidPos(*next_pos):
                        game_interface.player.move('right')
                    else:
                        box = game_interface.game_map.getBox(*next_pos)
                        if box:
                            next_pos = box.move('right', is_test=True)
                            if game_interface.game_map.isValidPos(*next_pos):
                                game_interface.player.move('right')
                                box.move('right')
                    break
                if event.key == pygame.K_DOWN:
                    next_pos = game_interface.player.move('down', is_test=True)
                    if game_interface.game_map.isValidPos(*next_pos):
                        game_interface.player.move('down')
                    else:
                        box = game_interface.game_map.getBox(*next_pos)
                        if box:
                            next_pos = box.move('down', is_test=True)
                            if game_interface.game_map.isValidPos(*next_pos):
                                game_interface.player.move('down')
                                box.move('down')
                    break
                if event.key == pygame.K_UP:
                    next_pos = game_interface.player.move('up', is_test=True)
                    if game_interface.game_map.isValidPos(*next_pos):
                        game_interface.player.move('up')
                    else:
                        box = game_interface.game_map.getBox(*next_pos)
                        if box:
                            next_pos = box.move('up', is_test=True)
                            if game_interface.game_map.isValidPos(*next_pos):
                                game_interface.player.move('up')
                                box.move('up')
                    break
                if event.key == pygame.K_r:
                    game_interface.initGame()
                    game_interface.loadLevel(game_level)
        game_interface.draw(game_interface.player, game_interface.game_map)
        if game_interface.game_map.levelCompleted():
            return
        screen.blit(text_render, (5, 5))
        pygame.display.flip()
        clock.tick(100)


'''主函數'''
def main():
    pygame.init()
    pygame.mixer.init()
    pygame.display.set_caption('推箱子 —— 源碼基地：#959755565#')
    screen = pygame.display.set_mode(cfg.SCREENSIZE)
    pygame.mixer.init()
    audio_path = os.path.join(cfg.AUDIODIR, 'EineLiebe.mp3')
    pygame.mixer.music.load(audio_path)
    pygame.mixer.music.set_volume(0.4)
    pygame.mixer.music.play(-1)
    startInterface(screen, cfg)
    for level_name in sorted(os.listdir(cfg.LEVELDIR)):
        runGame(screen, level_name)
        switchInterface(screen, cfg)
    endInterface(screen, cfg)


'''run'''
if __name__ == '__main__':
    main()

三.cfg

'''配置文件'''
import os

'''屏幕大小'''
SCREENSIZE = (500, 500)
'''block大小'''
BLOCKSIZE = 50
'''levels所在文件夾'''
LEVELDIR = os.path.join(os.getcwd(), 'resources/levels')
'''圖片所在文件夾'''
IMAGESDIR = os.path.join(os.getcwd(), 'resources/images')
'''字體所在文件夾'''
FONTDIR = os.path.join(os.getcwd(), 'resources/font')
'''音頻所在文件夾'''
AUDIODIR = os.path.join(os.getcwd(), 'resources/audios')
'''背景顏色'''
BACKGROUNDCOLOR = (45, 45, 45)

四.README

# Introduction
https://mp.weixin.qq.com/s/y6CZd4h3uo7602LrI7aFdQ

# Environment
```
OS: Windows10
Python: Python3.5+(have installed necessary dependencies)
```

# Usage
```
Step1:
pip install -r requirements.txt
Step2:
run "python Game12.py"
```

# Game Display
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