Minecraft puts the data in %AppData%
, so you can just make batch files which set %AppData%
to some other location before running the game.
This is a trivial but flexible working example:
@echo off
set LAUNCHER=c:\games\minecraft\minecraft.exe
set SUPPLEMENT=.minecraft-supplemental
set APPDATA=%APPDATA%\%SUPPLEMENT%
%LAUNCHER%
This will make that launch of Minecraft keep and look for its data (including your saves and even mods) in %AppData%\.minecraft-supplemental\.minecraft\
. (The extra level of folder structure is unnecessary but harmless, and it would be hard to eliminate it without breaking the sorts of things that the %AppData%
convention was designed to avoid breaking.)
Note that this will keep everything separate -- remembered login, achievements, saves, Minecraft version, mods -- everything. As a bonus, this not only means that you can keep different versions of Minecraft installed, you can segregate different login names into their own installs with their own saves, useful for sharing a computer with other Minecraft players.
You can make multiple versions of that batch file and change the %SUPPLEMENT%
variable to keep the copies' data separate. (Yes, it's currently set to a dumb name. Customize it to taste. I suggest .minecraft-[username]
.) You can even use different Minecraft launchers by changing the %LAUNCHER%
variable, allowing different versions (or users) to use different launchers.
minecraft-
pastebin.com/pMhgynpR – Eldelshell Sep 13 '15 at 11:47