怎么用Python脚本实现魔塔小游戏

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开发工具

Python版本： 3.7.4

相关模块：

cpgames模块；

以及一些python自带的模块。

环境搭建

安装Python并添加到环境变量，pip安装需要的相关模块即可。

原理简介

本期我们实现一些之前还没实现的功能，以及做一些功能优化(部分内容为了测试方便，我会把人物设置成无敌状态)。首先，是拾取物品等游戏事件的提示效果，核心代码如下：

'''游戏事件提示'''def showinfo(self, screen):    if self.obtain_tips is None: return    self.show_obtain_tips_count += 1    if self.show_obtain_tips_count > self.max_obtain_tips_count:        self.show_obtain_tips_count = 0        self.obtain_tips = None    # 画框    left, top = self.cfg.BLOCKSIZE // 2, 100    width, height = self.cfg.SCREENSIZE[0] // self.cfg.BLOCKSIZE - 1, 2    pygame.draw.rect(screen, (199, 97, 20), (left - 4, top - 4, self.cfg.BLOCKSIZE * width + 8, self.cfg.BLOCKSIZE * height + 8), 7)    for col in range(width):        for row in range(height):            image = self.resource_loader.images['mapelements']['0'][0]            image = pygame.transform.scale(image, (self.cfg.BLOCKSIZE, self.cfg.BLOCKSIZE))            screen.blit(image, (left + col * self.cfg.BLOCKSIZE, top + row * self.cfg.BLOCKSIZE))    # 文字    if isinstance(self.obtain_tips, list):        assert len(self.obtain_tips) == 2        font = pygame.font.Font(self.fontpath, 30)        font_render1 = font.render(self.obtain_tips[0], True, (255, 255, 255))        font_render2 = font.render(self.obtain_tips[1], True, (255, 255, 255))        rect1 = font_render1.get_rect()        rect2 = font_render2.get_rect()        rect1.midtop = left + width * self.cfg.BLOCKSIZE // 2, top + 10        rect2.midtop = left + width * self.cfg.BLOCKSIZE // 2, top + 10 + self.blocksize        screen.blit(font_render1, rect1)        screen.blit(font_render2, rect2)    else:        font = pygame.font.Font(self.fontpath, 40)        font_render = font.render(self.obtain_tips, True, (255, 255, 255))        rect = font_render.get_rect()        rect.midtop = left + width * self.cfg.BLOCKSIZE // 2, top + height * self.cfg.BLOCKSIZE // 2 - 20        screen.blit(font_render, rect)

效果:

'''显示商店'''def showbuyinterface(self, screen, scenes, shop_type):    # 购买函数    def buy(hero, coins_cost=0, experience_cost=0, add_life_value=0, add_attack_power=0, add_defense_power=0, add_level=0, add_yellow_keys=0, add_purple_keys=0, add_red_keys=0):        if hero.num_coins < coins_cost: return        if hero.experience < experience_cost: return        if add_yellow_keys < 0 and hero.num_yellow_keys < 1: return        if add_purple_keys < 0 and hero.num_purple_keys < 1: return        if add_red_keys < 0 and hero.num_red_keys < 1: return        hero.num_coins -= coins_cost        hero.experience -= experience_cost        hero.life_value += add_life_value + 1000 * add_level        hero.attack_power += add_attack_power + 7 * add_level        hero.defense_power += add_defense_power + 7 * add_level        hero.level += add_level        hero.num_yellow_keys += add_yellow_keys        hero.num_purple_keys += add_purple_keys        hero.num_red_keys += add_red_keys    # 选项定义    # --第三层商店    if self.map_level_pointer == 3 and shop_type == 'buy_from_shop':        choices_dict = {            '增加 800 点生命（25 金币）': lambda: buy(self.hero, coins_cost=25, add_life_value=800),            '增加 4 点攻击（25 金币）': lambda: buy(self.hero, coins_cost=25, add_attack_power=4),            '增加 4 点防御（25 金币）': lambda: buy(self.hero, coins_cost=25, add_defense_power=4),            '离开商店': lambda: buy(self.hero),        }        id_image = self.resource_loader.images['mapelements']['22'][0]    # --第十一层商店    elif self.map_level_pointer == 11 and shop_type == 'buy_from_shop':        choices_dict = {            '增加 4000 点生命（100 金币）': lambda: buy(self.hero, coins_cost=100, add_life_value=4000),            '增加 20 点攻击（100 金币）': lambda: buy(self.hero, coins_cost=100, add_attack_power=20),            '增加 20 点防御（100 金币）': lambda: buy(self.hero, coins_cost=100, add_defense_power=20),            '离开商店': lambda: buy(self.hero),        }        id_image = self.resource_loader.images['mapelements']['22'][0]    # --第五层神秘老人    elif self.map_level_pointer == 5 and shop_type == 'buy_from_oldman':        choices_dict = {            '提升一级（100 经验）': lambda: buy(self.hero, experience_cost=100, add_level=1),            '增加 5 点攻击（30 经验）': lambda: buy(self.hero, experience_cost=30, add_attack_power=5),            '增加 5 点防御（30 经验）': lambda: buy(self.hero, experience_cost=30, add_defense_power=5),            '离开商店': lambda: buy(self.hero),        }        id_image = self.resource_loader.images['mapelements']['26'][0]    # --第十三层神秘老人    elif self.map_level_pointer == 13 and shop_type == 'buy_from_oldman':        choices_dict = {            '提升三级（270 经验）': lambda: buy(self.hero, experience_cost=270, add_level=1),            '增加 17 点攻击（95 经验）': lambda: buy(self.hero, experience_cost=95, add_attack_power=17),            '增加 17 点防御（95 经验）': lambda: buy(self.hero, experience_cost=95, add_defense_power=17),            '离开商店': lambda: buy(self.hero),        }        id_image = self.resource_loader.images['mapelements']['26'][0]    # --第五层商人    elif self.map_level_pointer == 5 and shop_type == 'buy_from_businessman':        choices_dict = {            '购买 1 把黄钥匙（10 金币）': lambda: buy(self.hero, coins_cost=10, add_yellow_keys=1),            '购买 1 把蓝钥匙（50 金币）': lambda: buy(self.hero, coins_cost=50, add_purple_keys=1),            '购买 1 把红钥匙（100 金币）': lambda: buy(self.hero, coins_cost=100, add_red_keys=1),            '离开商店': lambda: buy(self.hero),        }        id_image = self.resource_loader.images['mapelements']['27'][0]    # --第十二层商人    elif self.map_level_pointer == 12 and shop_type == 'buy_from_businessman':        choices_dict = {            '卖出 1 把黄钥匙（7 金币）': lambda: buy(self.hero, coins_cost=-7, add_yellow_keys=-1),            '卖出 1 把蓝钥匙（35 金币）': lambda: buy(self.hero, coins_cost=-35, add_purple_keys=-1),            '卖出 1 把红钥匙（70 金币）': lambda: buy(self.hero, coins_cost=-70, add_red_keys=-1),            '离开商店': lambda: buy(self.hero),        }        id_image = self.resource_loader.images['mapelements']['27'][0]    id_image = pygame.transform.scale(id_image, (self.cfg.BLOCKSIZE, self.cfg.BLOCKSIZE))    # 主循环    clock, selected_idx = pygame.time.Clock(), 1    font = pygame.font.Font(self.cfg.FONT_PATHS_NOPRELOAD_DICT['font_cn'], 20)    while True:        screen.fill((0, 0, 0))        screen.blit(self.background_images['gamebg'], (0, 0))        self.map_parser.draw(screen)        for scene in scenes:            screen.blit(scene[0], scene[1])        self.hero.draw(screen)        # --按键检测        for event in pygame.event.get():            if event.type == pygame.QUIT:                QuitGame()            elif event.type == pygame.KEYDOWN:                if event.key == pygame.K_SPACE:                    list(choices_dict.values())[selected_idx-1]()                    if selected_idx == 4: return                elif event.key == pygame.K_w or event.key == pygame.K_UP:                    selected_idx = max(selected_idx - 1, 1)                elif event.key == pygame.K_s or event.key == pygame.K_DOWN:                    selected_idx = min(selected_idx + 1, 4)        # --对话框        # ----底色        width, height = 8, 3        left, bottom = self.hero.rect.left + self.hero.rect.width // 2 - width // 2 * self.cfg.BLOCKSIZE, self.hero.rect.bottom        for col in range(width):            for row in range(height):                image = self.resource_loader.images['mapelements']['0'][0]                image = pygame.transform.scale(image, (self.cfg.BLOCKSIZE, self.cfg.BLOCKSIZE))                screen.blit(image, (left + col * self.cfg.BLOCKSIZE, bottom + row * self.cfg.BLOCKSIZE))        # ----边框        pygame.draw.rect(screen, (199, 97, 20), (left - 4, bottom - 4, self.cfg.BLOCKSIZE * width + 8, self.cfg.BLOCKSIZE * height + 8), 7)        # ----展示选项        for idx, choice in enumerate(['请选择:'] + list(choices_dict.keys())):            if selected_idx == idx and idx > 0:                choice = '➤' + choice                font_render = font.render(choice, True, (255, 0, 0))            elif idx > 0:                choice = '    ' + choice                font_render = font.render(choice, True, (255, 255, 255))            else:                font_render = font.render(choice, True, (255, 255, 255))            rect = font_render.get_rect()            rect.left, rect.top = left + self.cfg.BLOCKSIZE + 20, bottom + 10 + idx * 30            screen.blit(font_render, rect)        # ----展示头像        screen.blit(id_image, (left + 10, bottom + 10))        # --刷新        pygame.display.flip()        clock.tick(self.cfg.FPS)

即，商店主要包括三种类型：一种的明面上的商店，用金币进行交易，可以获得生命值、攻击力和防御力的提升；一种是商人，用金币进行交易，可以获得/出售不同颜色的钥匙；还有一种是神秘老人，用经验值进行交易，可以获得等级、攻击力和防御力的提示。效果如下

接着，我们来实现一下地图中可以捡到的一些宝物的特效，主要包括风之罗盘、圣光徽、星光神榔和幸运十字架。

其中，风之罗盘用于在已经走过的楼层间进行跳跃，代码实现如下：

'''显示关卡跳转'''def showjumplevel(self, screen, scenes):    # 主循环    clock, selected_level = pygame.time.Clock(), 1    font = pygame.font.Font(self.cfg.FONT_PATHS_NOPRELOAD_DICT['font_cn'], 20)    while True:        screen.fill((0, 0, 0))        screen.blit(self.background_images['gamebg'], (0, 0))        self.map_parser.draw(screen)        for scene in scenes:            screen.blit(scene[0], scene[1])        self.hero.draw(screen)        # --按键检测        for event in pygame.event.get():            if event.type == pygame.QUIT:                QuitGame()            elif event.type == pygame.KEYDOWN:                if event.key == pygame.K_SPACE:                    return selected_level                elif event.key == pygame.K_w or event.key == pygame.K_UP:                    selected_level = max(selected_level - 1, 0)                elif event.key == pygame.K_s or event.key == pygame.K_DOWN:                    selected_level = min(selected_level + 1, self.max_map_level_pointer)        # --对话框        # ----底色        width, height = 11, 4        left, top = self.cfg.SCREENSIZE[0] // 2 - width // 2 * self.cfg.BLOCKSIZE, self.cfg.SCREENSIZE[1] // 2 - height * self.cfg.BLOCKSIZE        for col in range(width):            for row in range(height):                image = self.resource_loader.images['mapelements']['0'][0]                image = pygame.transform.scale(image, (self.cfg.BLOCKSIZE, self.cfg.BLOCKSIZE))                screen.blit(image, (left + col * self.cfg.BLOCKSIZE, top + row * self.cfg.BLOCKSIZE))        # ----边框        pygame.draw.rect(screen, (199, 97, 20), (left - 4, top - 4, self.cfg.BLOCKSIZE * width + 8, self.cfg.BLOCKSIZE * height + 8), 7)        # ----展示选项        for idx in list(range(self.max_map_level_pointer+1)):            if selected_level == idx:                text = f'➤第 {idx} 层'                font_render = font.render(text, True, (255, 0, 0))            else:                text = f'    第 {idx} 层'                font_render = font.render(text, True, (255, 255, 255))            rect = font_render.get_rect()            rect.left, rect.top = left + 20 + idx // 6 * self.cfg.BLOCKSIZE * 2, top + 20 + (idx % 6) * 30            screen.blit(font_render, rect)        # --刷新        pygame.display.flip()        clock.tick(self.cfg.FPS)

效果：

然后是圣光徽，用于查看怪物的基本情况，代码实现如下：

'''显示关卡怪物信息'''def showforecastlevel(self, screen, scenes):    # 主循环    clock = pygame.time.Clock()    font = pygame.font.Font(self.cfg.FONT_PATHS_NOPRELOAD_DICT['font_cn'], 20)    monsters = self.map_parser.getallmonsters()    if len(monsters) < 1: return    monsters_show_pointer, max_monsters_show_pointer = 1, round(len(monsters) / 4)    show_tip_text, show_tip_text_count, max_show_tip_text_count = True, 1, 15    return_flag = False    while True:        screen.fill((0, 0, 0))        screen.blit(self.background_images['gamebg'], (0, 0))        self.map_parser.draw(screen)        for scene in scenes:            screen.blit(scene[0], scene[1])        self.hero.draw(screen)        # --按键检测        for event in pygame.event.get():            if event.type == pygame.QUIT:                QuitGame()            elif event.type == pygame.KEYDOWN:                if event.key == pygame.K_l:                    return_flag = True                elif event.key == pygame.K_SPACE:                    monsters_show_pointer = monsters_show_pointer + 1                    if monsters_show_pointer > max_monsters_show_pointer: monsters_show_pointer = 1            elif event.type == pygame.KEYUP:                if event.key == pygame.K_l and return_flag:                    return        # --对话框        # ----底色        width, height = 14, 5        left, top = self.cfg.SCREENSIZE[0] // 2 - width // 2 * self.cfg.BLOCKSIZE, self.cfg.SCREENSIZE[1] // 2 - height * self.cfg.BLOCKSIZE        for col in range(width):            for row in range(height):                image = self.resource_loader.images['mapelements']['0'][0]                image = pygame.transform.scale(image, (self.cfg.BLOCKSIZE, self.cfg.BLOCKSIZE))                screen.blit(image, (left + col * self.cfg.BLOCKSIZE, top + row * self.cfg.BLOCKSIZE))        # ----边框        pygame.draw.rect(screen, (199, 97, 20), (left - 4, top - 4, self.cfg.BLOCKSIZE * width + 8, self.cfg.BLOCKSIZE * height + 8), 7)        # ----展示选项        for idx, monster in enumerate(monsters[(monsters_show_pointer-1)*4: monsters_show_pointer*4]):            id_image = self.resource_loader.images['mapelements'][monster[6]][0]            id_image = pygame.transform.scale(id_image, (self.cfg.BLOCKSIZE - 10, self.cfg.BLOCKSIZE - 10))            screen.blit(id_image, (left + 10, top + 20 + idx * self.cfg.BLOCKSIZE))            text = f'名称: {monster[0]}  生命: {monster[1]}  攻击: {monster[2]}  防御: {monster[3]}  金币: {monster[4]}  经验: {monster[5]}  损失: {self.hero.winmonster(monster)[1]}'            font_render = font.render(text, True, (255, 255, 255))            rect = font_render.get_rect()            rect.left, rect.top = left + 15 + self.cfg.BLOCKSIZE, top + 30 + idx * self.cfg.BLOCKSIZE            screen.blit(font_render, rect)        # ----操作提示        show_tip_text_count += 1        if show_tip_text_count == max_show_tip_text_count:            show_tip_text_count = 1            show_tip_text = not show_tip_text        if show_tip_text:            tip_text = '空格键'            font_render = font.render(tip_text, True, (255, 255, 255))            rect.left, rect.bottom = self.cfg.BLOCKSIZE * width + 30, self.cfg.BLOCKSIZE * (height + 1) + 10            screen.blit(font_render, rect)        # --刷新        pygame.display.flip()        clock.tick(self.cfg.FPS)

效果：

然后我们来实现一下幸运十字架，把它交给序章中的仙子，可以将自身的所有能力提升一些(攻击防御和生命值)。

# 定义所有对话if self.hero.has_cross:    conversations = [        ['仙子, 我已经将那个十字架找到了.'],        ['你做得很好. 那么现在我就开始', '授予你更强的力量! 咪啦哆咪哔...', '好了, 我已经将你现在的能力提升了!', '记住: 如果你没有足够的实力的话,', '不要去第二十一层. 在那一层里,', '你所有宝物的法力都会失去作用.']    ]    self.hero.has_cross = False    self.hero.life_value = int(self.hero.life_value * 4 / 3)    self.hero.attack_power = int(self.hero.attack_power * 4 / 3)    self.hero.defense_power = int(self.hero.defense_power * 4 / 3)

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