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A project for Procjam 2019.

This program uses a graph grammar to generate diagrams of the flow of goods in a toy economy. Plants are eaten, or processed into food and materials. Ore is mined, refined, and made into machines.

• Generate a graph with all the components of the economy labelled with emoji.
• Calculate max-flow given a restricted amount of source capacity.
• Generate a utility function that rewards consumption of multiple types of goods. (Maybe label some as substitutes or complements in the graph.) Figure out how to calculate a flow that maximizes this utility.
• Duplicate the economic graph and disable parts of it to generate isolated economies that would benefit from trade.
• Create trading routes between the economies.
• Cute web page that animates the result.

Emojiconomy uses pipenv. Run

pipenv install
pipenv run python -m emojiconomy.planets

The files econ-full-flow.svg and econ-full.svg will show the full economy and its optimal solution. There will be a lot of debugging output as the auction mechanism is run. The files step-NN-PPPP-flow.svg show intermediate steps for planet/region PPPP after NN auction rounds.

When the auction is completed (200 rounds) the final output will be:

• econ-PPPP-flow.svg: planet PPPP's economic flow
• planet-trade.svg: graph showing all trades
• galaxy.pickle: pickled version of the final state

I will be presnting a lightning talk on Emojiconomy at Roguelike Celebration 2020.

• Slides w/ notes
• Video