Mark-Jump implemented in python for Minecraft

You can run Python scripts from within minecraft, if you use the right Mods.

And two of the handiest little scripts are "Whereami" and "Teleport".

I wanted to take it a step further and implement a full "Mark-Jump" setup.

What is mark jump?

I navigate around my windows PC by using a Powershell utility called MarkJump. It's super helpful.

I use Jump command to go to a well-known location. I use the Mark command to mark my current location as a well-known location. And the Marks command to list all well-known locations.

Mark-Jump in Python for Minecraft

Four files:

  • Mark.py
  • Jump.py
  • Marks.py
  • Unmark.py

Mark.py

import json
import os
from mine import *
from sys import argv
mc = Minecraft()

mc.postToChat("mark mc.player.getTilePos() location as argv[1]")

if os.path.isfile("marks.json"):
    with open('marks.json') as json_file:  
        marks = json.load(json_file)
else: 
    marks = {}

if argv[1] in marks.keys():
    mc.postToChat("That mark already exists. I refuse to overwrite it.")
else:
    marks[argv[1]] =[mc.player.getTilePos().x, mc.player.getTilePos().y, mc.player.getTilePos().z]
    with open('marks.json', 'w') as outfile:  
        json.dump(marks, outfile)

Jump.py

import json
import os
from mine import *
from sys import argv
mc = Minecraft()

mc.postToChat("teleport to argv[1]")

if os.path.isfile("marks.json"):
    with open('marks.json') as json_file:  
        marks = json.load(json_file)
    if argv[1] in marks.keys():
        mc.player.setTilePos(marks[argv[1]][0], marks[argv[1]][1], marks[argv[1]][2])
    else:
        mc.postToChat("No such key as argv[1]. Notes: 1. marks are CASE sensitive or 2. Perhaps you meant 'mark'?")

Marks.py

import json
import os
from mine import *
from sys import argv
mc = Minecraft()

if os.path.isfile("marks.json"):
    with open('marks.json') as json_file:  
        marks = json.load(json_file)
        mc.postToChat(", ".join(sorted(marks.keys(), key=lambda s: s.lower())))

Unmark.py

(I haven't bothered with this one yet)

import json
import os

print("unmark argv[1]")

with open('marks.json') as json_file:  
    marks = json.load(json_file)    
#TODO: worry about unmark some other time...
del marks["a"]

#todo: write the file now...

See also

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