game_list.py

import pygame
from pygame.locals import *
from util import Button

class Game_list():
    '''
    state:状态
        ‘menu':菜单
        '*****':游戏英文名
        'exit':退出
        'wait':什么也不做
    main:主控制类
    button_list:list 所有按钮
    '''
    def __init__(self,main):
        self.main = main
        self.state = 'menu'
        self.button_list = []

    def run(self):
        while self.main.state == 'game-list':
            self.my_event()
            if self.state == 'wait':
                pass
            elif self.state == 'menu':
                self.show_menu()
            elif self.state == 'exit':
                self.main.state = 'exit'
            elif self.state:
                self.main.game_name = self.state
                self.main.state = 'welcome'
            self.main.update()

    def show_menu(self):
        self.main.set_bg()
        # 画按钮
        window_w,window_h=self.main.screen.get_size()
        button_img = pygame.image.load('./data/button_start.jpg')
        x, y = (window_w-button_img.get_width())//2, 200
        self.main.draw_text('游戏选择',(window_w//2,y//3),size=50,center='center')
        self.main.draw_text('Author:TigerWang',(window_w//2,y//3+60),size=20,center='center',font_name='arial')
        self.main.draw_text('Mail:wanghu10158@gmail.com',(window_w//2,y//3+90),size=20,center='center',font_name='arial')
        # 俄罗斯方块
        self.button_list.append(Button('eluosi','button_eluosi.jpg',(x,y)))
        # 贪吃蛇
        y += button_img.get_height()+20
        self.button_list.append(Button('Retro-Snaker','button_Retro-Snaker.jpg',(x,y)))
        # 退出按钮
        y += button_img.get_height()+20
        self.button_list.append(Button('exit','button_exit.jpg',(x,y)))

        self.main.draw_button(self.button_list)
        self.state = 'wait'

    def my_event(self):
        for event in pygame.event.get():
            if event.type == QUIT:
                self.main.state = 'exit'
            # 按Esc则退出游戏
            if event.type == KEYDOWN:
                if event.key == K_ESCAPE:
                    self.main.state = 'exit'
            if event.type == MOUSEBUTTONDOWN:
                for i in self.button_list:
                    if i.is_click(event.pos):
                        self.state = i.name
                        break