Engine core and modules

The following pages are meant to introduce the global organization of Godot Engine's source code, and give useful tips for extending and fixing the engine on the C++ side.

.. rubric:: Getting started with Godot's source code :heading-level: 2

This section covers the basics that you will encounter in (almost) every source file.

.. toctree:: :maxdepth: 1 :name: toc-devel-cpp-source-beginner

godot_architecture_diagram common_engine_methods_and_macros core_types variant_class object_class inheritance_class_tree internal_rendering_architecture 2d_coordinate_systems scripting_development

.. rubric:: Extending Godot by modifying its source code :heading-level: 2

This section covers what you can do by modifying Godot's C++ source code.

.. toctree:: :maxdepth: 1 :name: toc-devel-cpp-source-advanced

custom_modules_in_cpp binding_to_external_libraries custom_godot_servers custom_resource_format_loaders custom_audiostreams custom_platform_ports unit_testing