Installing MITE (minecraft is too easy) mod on MacOS

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Thanks to a pointer from our neighbor (hi, Sten!), I decided to try to install MITE on my Mac.

It turns out the very good instructions in the MITE zipfile are very much Windows-specific. If you try to follow them as best you can on a mac, it’s probably not going to work.

Here are the Windows instructions: (interspersed with my MacOS translations)

Step 1 = Paste this folder into .minecraft versions folder if you have not already done so =

open Terminal and type

cd ~/Library/Application\ Support/minecraft

Step 2 = Copy 1.6.4.jar to this folder =

cd 1.6.4-MITE
cp ../1.6.4/1.6.4.jar

Step 3 = Rename it to 1.6.4-MITE.jar =

skip this step

Step 4 = Open 1.6.4-MITE.jar using WinZip or 7Zip =

First, in terminal type “open .” to fire up the Finder in this folder
In Finder, double-click on “” – it will create a folder called “original”

Step 5 = Delete META_INF folder inside =

In Finder, open your “original” folder, and delete the META_INF folder in there

Step 6 = Copy contents of class Files folder into 1.6.4-MITE.jar =

This is the key place where Windows and the Mac differ. If you drag the contents of “class Files” to the “original” folder, it will clobber important files. Instead, open the “class Files” folder in Finder, select all of its contents (first click on a.class, then press Cmd-a to select all), then drag those files to the “original” folder. It will ask if you want to keep or replace. IMPORTANT: hold down the Option key, and the “Skip” button turns into “Keep Both”. Select that.

This procedure does the important interleaving, then create the new, modified jar file with these commands (you have to have the “JDK” installed):

cd ../original
jar cf ../1.6.4-MITE.jar .

Step 7 = Move MITE Resource Pack to the resourcepacks folder in .minecraft =

this is right, except drag it to “~/Library/Application Support/minecraft/resourcepacks”

Step 8 = Run the Minecraft launcher and edit your profile to use 1.6.4-MITE version =

Step 9 = Play Minecraft and select the MITE Resource Pack =

Yay – it should work!

The error message I kept getting when I followed the windows instructions was:

java.lang.NoClassDefFoundError: net/minecraft/client/main/Main

It was that error that lead me down the path of the solution. I checked the contents of my improperly-created jar file with the command

jar tf 1.6.4-MITE.jar

and saw that indeed there was no “net/minecraft/client/main/Main” entry. From there, I saw that the directory path in the “original” directory was deleted with the drag-and drop operation, and remembered the “tar” command solution to interleaving-copies (and then, thanks to Google, found the way to do this in Finder).

I hope this helps someone else install (the excellent-but-very difficult) MITE mod to minecraft. Apologies for the built-in dependencies on knowledge of “Terminal”, and assuming you’ve installed the JDK. It’s very possible you could avoid those dependencies, but this was my way of fixing the problem.

π Day programming activity

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In our math club this afternoon, since it’s π day, I’m going to try to lead an activity where we write a program (on the Raspberry Pi, of course) that computes π. The idea I thought of (but we’ll see what the students think of as well) is to use the Monte Carlo method – guess random points (with uniform distribution) in a 2r x 2r square, and compute whether they’re “inCircle” or not (whether the distance from the center of the square <= r). Then use algebra to solve for the unknown quantity π in the formula

π r2 / 4r2 = inCircle / totalPoints

In my little Python program that does this, it pretty quickly gets to 3.14, but doesn’t get much further. Since these are 4th – 8th graders, I thought I should focus on techniques that have an intuition behind them, so Ramanujan’s fancy equations are out of the question. I’d be keen to hear other suggestions!

An entire music label goes “pay what you want”

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An entire music label goes “pay what you want”

Deep Elm’s entire catalog has gone to the “pay what you want” model. Already I have discovered (and paid for) music from three bands I’d never heard of before.

Keystone Kids’ “Things Get Shaky” is pleasant, well-done synth-pop, Lights and Motion’s “Unreleased” is really nice orchestral, post-rock, and their “Reanimation” sounds like the soundtrack to a movie I’d like to see, and Moonlit Sailor (also post-rock), is more intimate, also really good background music – especially liking their “We Come from Exploding Stars.”

I think it shows a lot of confidence to do this – believing that giving away your music is going to gain fans who are willing to pay. It’s already worked with me!

Lights & Motion’s “Unreleased”

Moonlit Sailor’s “We Come from Exploding Stars”