Projects

Projects

Baritone
August 2018 - Present

A Minecraft mod for pathfinding and general client-side automation. >2M downloads directly from GitHub releases, probably a similar number (untracked) from maven. Comes packaged as standard with many clients.
Impact Client
February 2019 - Present

A Minecraft utility mod. Closed source. 2M monthly launches. 10K-15K DAU, 100K MAU (distinct by Minecraft account).
Kitteh2 programming language
July 2016 - April 2017

The second revision of my Kitteh programming language. Instead of being an interpreted language, it now has an optimizing compiler to x86 written from scratch. The language is strongly typed with type inference, and the syntax is now more similar to Go than to Javascript.
MineBot
January 2016 - April 2016

A bot that can play Minecraft on its own. It uses modified A* with incremental cost backoff for pathfinding.
Fusion
July 2017 - August 2017

A client-server program that can fuse multiple internet connections together into a single faster connection without compromising on latency or reliability.
Logisim RISC-V
March 2018 - April 2018

A RISC-V processor in the circuit simulation software Logisim. Practically complete coverage of the RV32I base instruction set on normal Logisim, with a modified version of Logisim with support for unaligned memory reads and writes for full coverage.
Syncer
(intermittently) September 2016 - October 2017

A client-server system that can play audio in sync from multiple laptops. Uses docker and pulseaudio for the backend, and a Java UI for the client.
Scheduling
April 2015 - May 2015

A scheduling program for the upcoming school year. It's able to deal with room requirements, teacher working hours, which teachers can teach which classes, and grade and student level requirements for courses.
Kademlia
November 2015 - February 2016

An open source multithreaded Java implementation of Kademlia, a distributed hash table, with some additions to the protocol.
Kitteh programming language
November 2014 - May 2015

An interpreted programming language called "Kitteh". It is written from scratch in Java, and the syntax is similar to Javascript, but with keywords changed to be more feline.
Mandelbrot set viewer
(intermittently) March 2013 - March 2015

An interactive Java viewer of the Mandelbrot set. Features include zooming, changing Z exponent, viewing Julia sets, viewing orbits, changing orbit limit, and exporting Julia sets along a line as a GIF.
Lisp interpreter
March 2013 - March 2013

Java program to run simple lisp programs. Support for arithmetic, conditionals, defining functions and lambdas, and recursion.
Reed-Solomon error correction
September 2013 - January 2014

A full Java implementation of Reed-Solomon error correction. Able to detect and correct errors in transmitted messages.
3D renderer
April 2014 - October 2014

3D renderer and lighting engine written in Java.
SIRDS
October 2013 - October 2013

A small Java program to generate Single Image Random Dot Stereograms.
Game of Life
March 2013 - March 2013

Interactive Java program to display and edit cellular automata in Conway's Game of Life.
Battleship
December 2014 - December 2014

Interactive Monte Carlo Java program that helps the user guess where their opponent has placed their ships, based on current hits and misses.
Connect Four
March 2013 - April 2013

Interactive Java program to solve Connect Four for a given board state using minimax graph tree search.

Competitions

Advent of Code 2020

December 2020

Placed 13th globally out of >150,000. Placed in global top 100 in 21 out of 24 days for part 2.
My stats

      -------Part 1--------   -------Part 2--------
Day       Time  Rank  Score       Time  Rank  Score
 25   00:06:06    54     47   00:07:18    84     17
 24   00:07:06    98      3   00:09:54    21     80
 23   00:09:24    70     31   02:12:19  1626      0
 22   00:03:17    19     82   00:11:12     7     94
 21   00:10:44    79     22   00:13:28    46     55
 20   00:27:09   448      0   00:41:48    13     88
 19   00:05:12     3     98   00:18:23    38     63
 18   00:04:36    20     81   00:06:12    12     89
 17   00:11:45   143      0   00:17:21   213      0
 16   00:04:00    11     90   00:20:03    86     15
 15   00:04:23    47     54   00:09:24   100      1
 14   00:04:48    22     79   00:08:23     9     92
 13   00:06:14   534      0   00:11:05    41     60
 12   00:03:56    19     82   00:08:06    28     73
 11   00:06:05    31     70   00:09:06    20     81
 10   00:02:55    29     72   00:08:17    83     18
  9   00:02:34    41     60   00:04:14    15     86
  8   00:03:38   127      0   00:05:39    17     84
  7   00:05:41    17     84   00:08:05     6     95
  6   00:01:41    20     81   00:03:26    32     69
  5   00:04:43   191      0   00:06:08   127      0
  4   00:04:12   140      0   00:11:04    49     52
  3   00:02:00    32     69   00:04:19    58     43
  2   00:02:24    81     20   00:03:25    37     64
  1   00:48:55  5431      0   00:49:42  4849      0
(thankfully day 1 didn't count due to downtime, because I was not prepared)

Advent of Code 2019

December 2019

Placed 33rd globally out of >100,000 (despite only attemping 18 out of the 25 days).
My stats

      --------Part 1--------   --------Part 2--------
Day       Time   Rank  Score       Time   Rank  Score

stopped at day 20 (IRL reasons)

 20   00:39:32    224      0   00:59:16    130      0
 19   00:03:36     96      5   01:23:14    670      0
 18   00:46:04     97      4   00:54:54     15     86
 17   00:04:06      7     94   00:37:53     50     51
 16   00:11:21     95      6   00:31:55     16     85
 15   00:15:05     21     80   00:20:52     10     91
 14   00:15:01     19     82   00:17:29     11     90
 13   00:03:22     96      5   00:15:10     29     72
 12   00:06:02      5     96   00:33:05     75     26
 11   00:05:41      9     92   00:16:17    106      0
 10   00:17:14    178      0   00:35:16     60     41
  9   00:15:49    124      0   00:17:11    131      0
  8   00:03:32     36     65   00:15:27    268      0
  7   00:04:35      7     94   00:15:41      5     96
  6   00:06:40    137      0   00:12:48    132      0
  5   00:10:01     20     81   00:16:12     27     74
  4   00:04:11    251      0   00:05:31     61     40
  3   00:15:10    307      0   00:18:45    209      0

only learned about it between days 2 and 3 :)

Project Euler
Fall 2012 - Present

Completed 275 Project Euler problems on a team of 2. Out of 780,527 registered members, solving 275 or more problems puts us in the top 0.1% (or top 809, as of February 2018). profile
Matheletics 2013
Spring 2013

Tied for 4th worldwide for the 2013 HackerRank Matheletics competition on a team of 2. (ZurfL)
Harker Programming Invitational
Spring 2016

Placed 2nd on a team of 3. 1st place on the challenge round.
PicoCTF
Spring 2017

Placed 85th out of more than 12,000 teams.
CamsCTF
Spring 2015

Placed 15th out of more than 600 teams.
EasyCTF
Spring 2017

Placed 19th out of more than 1900 teams.
EasyCTF
Spring 2018

Placed 26th out of almost 1800 teams.
Stanford Proco
Spring 2015

Competed at Stanford Proco 2015 on a team of 3.
PicoCTF
Fall 2014

Placed 73rd out of more than 3000 teams.