3.7k stars用Python写的游戏机很有趣

用Python实现的游戏模拟器,像超级马里奥、口袋妖怪等经典游戏都可以在上面完美运行。支持：macOS、Raspberry Pi (Raspbian)、Linux (Ubuntu) 和 Windows 10。

GitHub数据

3.7k stars
72 watching
371 forks

开源地址:https://github.com/Baekalfen/PyBoy

安装

安装SDL2

Debian and Ubuntu

代码语言：javascript复制

> sudo apt update
> sudo apt install python3 python3-pip python3-dev libsdl2-dev build-essential
> python3 -m pip install --upgrade pip
> python3 -m pip install pyboy

macOS

代码语言：javascript复制

> brew update
> brew install python3 sdl2
> python3 -m pip install --upgrade pip
> python3 -m pip install pyboy

树莓派

Raspberry Pi OS 的说明与上面的 Ubuntu/Linux 说明几乎相同

代码语言：javascript复制

> sudo apt update
> sudo apt install libsdl2-dev libatlas-base-dev
> python3 -m pip install --upgrade pip
> python3 -m pip install pyboy

Windows 10

代码语言：javascript复制

> (New-Object Net.WebClient).DownloadFile('https://www.python.org/ftp/python/3.7.6/python-3.7.6-amd64.exe', 'python-3.7.6-amd64.exe')
> ./python-3.7.6-amd64.exe /passive InstallAllUsers=1 PrependPath=1

需要重新启动 PowerShell 。

代码语言：javascript复制

> (New-Object Net.WebClient).DownloadFile('https://www.libsdl.org/release/SDL2-devel-2.0.10-VC.zip', 'SDL2-devel-2.0.10-VC.zip')
> Expand-Archive -Force 'SDL2-devel-2.0.10-VC.zip' C:SDL2
> setx PYSDL2_DLL_PATH C:SDL2SDL2-2.0.10libx64
> setx PATH "%PATH%;C:SDL2SDL2-2.0.10libx64"
> python -m pip install --upgrade --user pip
> python -m pip install --user pyboy

启动 PyBoy

找到 ROM 转储文件,然后python3 -m pyboy path/to/rom.gb从 PyBoy Git repo 的根目录运行。如果您选择在系统上安装 PyBoy，你可以pyboy path/to/rom.gb从任何目录执行。

PyBoy的控制键

键盘键	等价于GameBoy
Up	Up
Down	Down
Left	Left
Right	Right
A	A
S	B
Return	Start
Backspace	Select

PyBoy模拟器上的其它键

键盘键	模拟器功能
Escape	退出
D	调试
Space	无限FPS
Z	保存状态
X	加载状态
I	切换屏幕录制
,	回退
.	快退

使用案例

代码语言：javascript复制

from pyboy import PyBoy
with PyBoy('ROMs/gamerom.gb') as pyboy:
    while not pyboy.tick():
        pass

这里有一个从屏幕读取数据的简短演示。该代码也可以在以下位置找到gamewrapper_mario.py

代码语言：javascript复制

import os
import sys

from pyboy import PyBoy, WindowEvent

# Makes us able to import PyBoy from the directory below
file_path = os.path.dirname(os.path.realpath(__file__))
sys.path.insert(0, file_path   "/..")

# Check if the ROM is given through argv
if len(sys.argv) > 1:
    filename = sys.argv[1]
else:
    print("Usage: python mario_boiler_plate.py [ROM file]")
    exit(1)

quiet = "--quiet" in sys.argv
pyboy = PyBoy(filename, window_type="headless" if quiet else "SDL2", window_scale=3, debug=not quiet, game_wrapper=True)
pyboy.set_emulation_speed(0)
assert pyboy.cartridge_title() == "SUPER MARIOLAN"

mario = pyboy.game_wrapper()
mario.start_game()

assert mario.score == 0
assert mario.lives_left == 2
assert mario.time_left == 400
assert mario.world == (1, 1)
assert mario.fitness == 0 # A built-in fitness score for AI development
last_fitness = 0

print(mario)

pyboy.send_input(WindowEvent.PRESS_ARROW_RIGHT)
for _ in range(1000):
    assert mario.fitness >= last_fitness
    last_fitness = mario.fitness

    pyboy.tick()
    if mario.lives_left == 1:
        assert last_fitness == 27700
        assert mario.fitness == 17700 # Loosing a live, means 10.000 points in this fitness scoring
        print(mario)
        break
else:
    print("Mario didn't die?")
    exit(2)

mario.reset_game()
assert mario.lives_left == 2

pyboy.stop()

如果您在加载了 Super Mario Land ROM 的情况下运行上述代码，你将得到类似于下面的图片和终端打印输出的内容。请注意以索引 0、1、16 和 17 表示的马里奥的形状。

更多功能广大网友可以继续挖掘。

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