The code reference, grouped by library and by program.

[detail level 12]

▼Libraries	Reusable libraries that know nothing about R-Type
Game engine	Main loop, ECS components and systems, scenes, event bus, entity factory, input mapping and backend concepts (`lib/GameEngine`)
Network library	UDP transport, packet and message framing, sequence tracking and connection management (`lib/Network`)
▼R-Type game	Code specific to R-Type, built on top of the libraries
Protocol payloads	Message types, payload layouts and value encodings shared by the client and the server (`src/Common/Protocol`)
Shared gameplay	Gameplay components and systems used by both programs (`src/Common`)
Client	The `r-type_client` program: scenes, inputs, network client and backend adapters (`src/Client`)
Server	The `r-type_server` program: authoritative simulation, scenes and message handling (`src/Server`)