MudEngine Part 6: Multiplayer

Step 5 / 18

Restructure the game module

The World struct from Parts 4–5 (a Vec<Room> with player_room) is replaced by a server-authoritative model. Instead of one World object, the game logic is now split across four focused files in src/game/:

Update src/game.rs to declare them, and delete the now-obsolete src/game/world.rs (its Direction/Room/World are replaced by the static room data and the message types):

🗂️ The four game files

File	Holds
`messages.rs`	`PlayerInfo`, `ClientMessage`, `ServerMessage`
`room_data.rs`	Static `ROOM_NAMES`, `ROOM_DESCS`, `EXITS`
`server.rs`	Server-only state (`PLAYERS`, `BROADCAST`) and the WebSocket endpoint
`random_name.rs`	The random name generator

mud-engine/src/game.rs

pub mod messages;
pub mod random_name;
pub mod room_data;
pub mod server;

🗑️ Removing world.rs

src/game/world.rs is fully replaced in Part 6 — delete the file. Its Direction enum becomes the direction strings ("north", "south", …) sent over the WebSocket, and its World/Room structs become the static arrays in room_data.rs.

main.rs does not change at all — it still just declares mod game; mod components; and launches App. All the new code lands in the game/ and components/ files.

Step 5 / 18

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