Cooperative multi-agent environment based on Overcooked
5 of the available layouts. New layouts are easy to hardcode or generate programmatically.
Overcooked-AI is a benchmark environment for fully cooperative multi-agent performance, based on the wildly popular video game Overcooked.
The goal of the game is to deliver soups as fast as possible. Each soup requires placing up to 3 ingredients in a pot, waiting for the soup to cook, and then having an agent pick up the soup and delivering it. The agents should split up tasks on the fly and coordinate effectively in order to achieve high reward.
You can try out the game here (playing with some previously trained DRL agents). To play with your own trained agents using this interface, you can use this repo. To run human-AI experiments, check out this repo. You can find some human-human gameplay data already collected here.
Check out this repo for the DRL implementations compatible with the environment and reproducible results to our paper: On the Utility of Learning about Humans for Human-AI Coordination (also see our blog post).
Installing from PyPI
You can install the pre-compiled wheel file using pip.
pip install overcooked-ai
Note that PyPI releases are stable but infrequent. For the most up-to-date development features, build from source
Building from source
It is useful to setup a conda environment with Python 3.7 (virtualenv works too):
conda create -n overcooked_ai python=3.7 conda activate overcooked_ai
Clone the repo
git clone https://github.com/HumanCompatibleAI/overcooked_ai.git
Finally, use python setup-tools to locally install
pip install -e overcooked_ai/
When building from source, you can verify the installation by running the Overcooked unit test suite. The following commands should all be run from the
overcooked_ai project root directory:
If you're thinking of using the planning code extensively, you should run the full testing suite that verifies all of the Overcooked accessory tools (this can take 5-10 mins):
python -m unittest discover -s testing/ -p "*_test.py"
Code Structure Overview
overcooked_mdp.py: main Overcooked game logic
overcooked_env.py: environment classes built on top of the Overcooked mdp
layout_generator.py: functions to generate random layouts programmatically
agent.py: location of agent classes
benchmarking.py: sample trajectories of agents (both trained and planners) and load various models
planners.py: near-optimal agent planning logic
search.py: A* search and shortest path logic
One can adapt a version of this file in order to be able to play games in terminal graphics with custom-defined agents.
Further Issues and questions
Download the file for your platform. If you're not sure which to choose, learn more about installing packages.
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