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<h1 id="flax-engine-documentation">Flax Engine Documentation</h1>

<p><img src="manual/graphics/post-effects/media/postFx.png" alt="Flax Engine Docs"></p>
<p>Welcome to the Flax documentation repository. This repository contains all the source files for the Flax documentation (<a href="https://docs.flaxengine.com/">https://docs.flaxengine.com/</a>). Anyone is welcome to contribute!</p>
<h2 id="editing">Editing</h2>
<p>We use <a href="https://github.com/dotnet/docfx">DocFX</a> tool for building and hosting documentation online. It supports markdown style files (<code>.md</code>) as it&#39;s a very standardized and popular format. Writing technical documentation using markdown style is easy and efficient.</p>
<p>To edit docs we recommend you to use tools such as <a href="https://www.zettlr.com/">Zettlr</a> or <a href="https://typora.io/">Typora</a> or <a href="https://code.visualstudio.com/">Visual Studio Code</a>.</p>
<h2 id="building-and-testing">Building and Testing</h2>
<p>Documentation can be built and hosted on both Linux and Windows. DocFx can run on .Net or Mono. By default the site is hosted on <code>localhost:8080</code> but this can be easily configured.</p>
<h3 id="windows">Windows</h3>
<ul>
<li>Download repository (or clone with <code>git clone https://github.com/FlaxEngine/FlaxDocs.git</code>)</li>
<li>Call <code>build_manual.bat</code> to build the Manual or <code>build_all.bat</code> to build whole documentation (with API) but it will take more time to finish</li>
<li>Call <code>run_local_website.bat</code> to preview the site</li>
</ul>
<h3 id="linux">Linux</h3>
<ul>
<li>Install <a href="http://www.mono-project.com/docs/getting-started/install/linux/">Mono</a></li>
<li>Clone repository (<code>git clone https://github.com/FlaxEngine/FlaxDocs.git</code>)</li>
<li>Call <code>chmod +x docs.sh</code>. It will modify permissions for the script <code>docs.sh</code> to allow to execute it</li>
<li>Call <code>./docs.sh rebuild</code></li>
</ul>
<h2 id="technical-notes">Technical Notes</h2>
<p>C# and C++ API reference pages are generated by downloading and building engine at a given revision specified in file <code>commit.txt</code>. C# API is extracted via <code>docfx metadata</code> into <code>api</code> folder. C++ API is extracted via our custom fork of <a href="https://github.com/FlaxEngine/code2yaml">code2yaml</a> which parses engine header files with <code>doxygen</code> to generate metadata into <code>api-cpp</code> folder.</p>
<p>Key configuration files:</p>
<ul>
<li><code>docfx.json</code> - config for docfx documentation building.</li>
<li><code>code2yaml.json</code> - config for code2yaml used to extract api docs for C++.</li>
<li><code>doxyfile</code> - config for doxygen to output xml files with engine api to be processed by code2yaml.</li>
<li><code>commit.txt</code> - contains commit hash of the <a href="https://github.com/FlaxEngine/FlaxEngine">FlaxEngine</a> revision to use for the API building.</li>
<li><code>.github\workflows\docs-publish.yml</code> - Github Actions workflow triggered on git tag <code>update-&lt;version&gt;</code> that builds whole docs with api and publishes them to <a href="https://github.com/FlaxEngine/FlaxDocsHost">FlaxDocsHost</a> for static hosting on Github Pages.</li>
<li><code>.github\workflows\docs-build.yml</code> - Github Actions workflow triggered on push/pr that builds manual without api to verify the integrity of the modified docs (eg. warns about invalid links or missing files).</li>
</ul>
<h2 id="licensing">Licensing</h2>
<p><a rel="license" href="http://creativecommons.org/licenses/by/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by/4.0/88x31.png"></a><br><span xmlns:dct="http://purl.org/dc/terms/" property="dct:title">FlaxDocs</span> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution 4.0 International License</a>.</p>
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