如何在python3中使用事件自定义地图？

Question

我无法设置更改平台游戏中绘制地图的块包。从理论上讲，紧迫数字应该起作用。所有文件都存储在具有适当层次结构的文件夹中。

写它的最佳格式是什么？方法，课？ I do not want to prescribe conditions for 100+ options

for event in pygame.event.get():
    if event.type == pygame.KEYDOWN:
        if event.key == pygame.K_1:
            block_pack = 'dirt'
        elif event.key == pygame.K_2:
            block_pack = 'grass'
        elif event.key == pygame.K_3:
            block_pack = 'planet'
        elif event.key == pygame.K_4:
            block_pack = 'sand'
        elif event.key == pygame.K_5:
            block_pack = 'snow'
        elif event.key == pygame.K_6:
            block_pack = 'stone'
        elif event.key == pygame.K_7:
            block_pack = 'enemies'
        elif event.key == pygame.K_8:
            block_pack = 'tiles'
        elif event.key == pygame.K_9:
            block_pack = 'items'
        elif event.key == pygame.K_0:
            block_pack = 'bg'

block_img = pygame.image.load(f'PNG/Ground/{block_pack}/{block_pack}.png')
blockLeft_img = pygame.image.load(f'PNG/Ground/{block_pack}/{block_pack}Left.png')
blockRight_img = pygame.image.load(f'PNG/Ground/{block_pack}/{block_pack}Right.png')
blockMid_img = pygame.image.load(f'PNG/Ground/{block_pack}/{block_pack}Mid.png')

hierarchy

Answer 1

是的，dict将是您在这里最好的选择。我知道您有很多选择（100多个），但是您将不得不以某种方式映射。 dicts快速易于访问。以下代码将是一个选项：

keypress_options = {
   pygame.K_1: 'dirt',
   pygame.K_2: 'grass',
   pygame.K_3: 'planet',
   pygame.K_4: 'sand',
   pygame.K_5: 'snow',
   pygame.K_6: 'stone',
   pygame.K_7: 'enemies',
   pygame.K_8: 'tiles',
   pygame.K_9: 'items',
   pygame.K_0: 'bg'
}

然后您可以使用get访问它，以找出该键是否映射到任何内容

if option := keypress_options.get(event.key):
   do this