怎么用python做我的世界_从零开始用Python做一个Minecraft成就(进度)生成器

最近看到mcmod百科上有个叫成就生成器的东西,于是也想用Python做一个。

大致思路:

一张成就图像,需要有底图,图标和和说明文字三个部分。

成就的图标比较难搞,我使用的是Minecraft Wiki上的物品栏图标,大致思路是先把Sprite全图下载下来,然后再从Wiki的Lua脚本里获取物品名和图标位置的映射关系,然后保存在一个字典里备用。

因为成就的底图有透明度,所以不能上传到博客园的相册里,于是我把它放在了其他图床(SM.MS)上,地址见代码(base_url)。

Minecraft的英文字体(minecraft.otf)在网上是比较好找的,下载后和脚本文件放在同一目录下即可。不过,现在网上还是找不到Minecraft原生的中文字体(即像素化的仿宋字体),所以要显示中文,就只能用系统自带的simsun.ttc将就一下了。

注意图像的绘制需要用到Pillow模块,html的处理和提取需要BeautifulSoup模块,需使用pip命令安装。

代码如下:

from urllib.request import urlopen, urlretrieve

from bs4 import BeautifulSoup

from PIL import Image, ImageFont, ImageDraw

import re, string, os, requests

size = 32

listsize = 32

page_url = r'https://minecraft.gamepedia.com/Module:InvSprite'

sprite_url = r'https://static.wikia.nocookie.net/minecraft_gamepedia/images/4/44/InvSprite.png/revision/latest'

base_url = r'https://i.loli.net/2020/09/27/zwIY6nVJRmqbHaL.png' #使用SM.MS储存成就底图

catdict = {}

itemdict = {}

def init():

#创建资源文件夹...

if (not os.path.exists(r'./adv-maker/')):

os.mkdir(r'./adv-maker/')

#下载图标文件...

if (not os.path.exists(r'./adv-maker/inv-sprite.png')):

print('Downloading Sprites file...')

urlretrieve(sprite_url, './adv-maker/inv-sprite.png')

#下载成就底图...

if (not os.path.exists(r'./adv-maker/advancement-base.png')):

print('Downloading Advancement Background Image...')

r = requests.get(base_url)

with open(r'./adv-maker/advancement-base.png','wb') as bim:

bim.write(r.content)

#把Wiki上的Lua脚本先搞出来...

if (not os.path.exists(r'./adv-maker/pos-info.txt')):

resp = urlopen(page_url)

print('Downloading HTML file...')

cont = resp.read()

soup = BeautifulSoup(cont,'html.parser')

print('Extracting Lua script...')

src = soup.select(".mw-code")[0].prettify().replace('&','&')

print('Saving the script...')

with open(r'./adv-maker/pos-info.txt','w+') as f:

f.write(src)

print('Reading Lua script...')

f = open(r'./adv-maker/pos-info.txt','r')

src = f.read()

f.close()

print('Getting Position Info...')

#...然后提取物品名称、物品分类、在图中的位置等信息,存起来

pat1 = re.compile(r'^\s*{ name = \'(.*)\', id = (.*) }',re.M)

pat2 = re.compile(r'^\s*(.*) = { pos = (.*), section = (.*) }',re.M)

res1 = pat1.findall(src)

res2 = pat2.findall(src)

for cat in res1:

catdict[str(cat[1])] = cat[0]

for itm in res2:

#print('%-45s%-35s%-20s' %(itm[0][2:-2] if(itm[0][0]=='[') else itm[0], catdict[itm[2]], itm[1])) 如果要显示物品列表,把这行的注释符号去掉

itemdict[(itm[0][2:-2] if(itm[0][0]=='[') else itm[0])] = int(itm[1])

def trans_paste(bg,fg,box=(0,0)):

trans = Image.new("RGBA",bg.size)

trans.paste(fg,box,mask=fg)

nim = Image.alpha_composite(bg,trans)

return nim

def show(tar="???",text1="Advancement Made!",color1=(255,255,0),text2="Minecraft Advancements!",color2=(255,255,255)):

idx = 1

if (tar in itemdict):

idx = itemdict[tar]

posx = int((idx - 1) // listsize)

posy = (idx - 1 + listsize) % listsize

print(idx,posx,posy)

sprite = srci.crop((posy*size,posx*size,(posy+1)*size,(posx+1)*size))

box = (17, 16, 17 + size, 16 + size)

resi = trans_paste(advi,sprite,box)

drw = ImageDraw.Draw(resi)

drw.text((60, 12), text1, font=fnt, fill=color1)

drw.text((60, 34), text2, font=fnt, fill=color2)

resi.show()

def main():

init()

global srci, advi, fnt

srci = Image.open('./adv-maker/inv-sprite.png').convert('RGBA')

advi = Image.open('./adv-maker/advancement-base.png').convert('RGBA')

fnt = ImageFont.truetype(r'minecraft.otf', 20)

#fnt = ImageFont.truetype("simsun.ttc", 19) Use this to display Chinese characters

#show('Wooden Pickaxe',text2='Stone Age')

show(text1='Advancement Made!',text2='What the hell is this?')

if __name__ == '__main__':

main()

# print(__name__)

输出:

o_200930101859tmpbwxye5md.png

至此,一个自制的Minecraft成就生成器就算完成了,撒花!

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