Document data/ system

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Martin Wickham 2021-11-23 23:28:27 -06:00
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Copyright (c) 2020 Martin Wickham
Dear Imgui is Copyright (c) 2014-2020 Omar Cornut
cimgui is Copyright (c) 2015 Stephan Dilly
cgltf is Copyright (c) 2018 Johannes Kuhlmann
ENet is Copyright (c) 2002-2020 Lee Salzman
Copyright (c) 2020-2021 Martin Wickham
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal

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The src/ directory contains a main file for each day. Put your code there. The build command `zig build dayXX [target and mode options] -- [program args]` will build and run the specified day. You can also use `zig build install_dayXX [target and mode options]` to build the executable for a day and put it into `zig-cache/bin` without executing it. By default this template does not link libc, but you can set `should_link_libc` to `true` in build.zig to change that. If you have files with tests, add those files to the list of test files in build.zig. The command `zig build test` will run tests in all of these files.
Each day contains a decl like this:
```zig
const data = @embedFile("../data/day05.txt");
```
To use this system, save your input for a day in the data/ directory with the appropriate name. Reference this decl to load the contents of that file as a compile time constant. If a day has no input, or you prefer not to embed it in this form, simply don't reference this decl. If it's unused, it will not try to load the file, and it won't error if the file does not exist.
This repo also contains Visual Studio Code project files for debugging. These are meant to work with the C/C++ plugin. There is a debug configuration for each day. By default all days are built in debug mode, but this can be changed by editing `.vscode/tasks.json` if you have a need for speed.
If you would like to contribute project files for other development environments, please send a PR.

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This file ensures that the data/ directory exists in a fresh checkout.