New modding system

common/protocol.ts

@@ -1,13 +1,13 @@
 // messages sent between the client and the server, as json over a websocket
 import type { Faces } from "./constants.ts";
 import type { ItemData } from "./inventory.ts";
-import type { AtlasListing, ModListing } from "./mod_loader.ts";
+import type { ModListing } from "./mod_loader.ts";
 
 export const AIR_ID = "bworld:air";
 
 // bump when a client and server of different versions can't play together.
 // the server rejects a different version before the client downloads anything
-export const PROTOCOL_VERSION = 3;
+export const PROTOCOL_VERSION = 4;
 
 export interface PlayerInfo {
 	id: string;
@@ -83,8 +83,7 @@ export type ServerMessage =
 		type: "welcome";
 		protocol: number;
 		seed: string;
-		atlas: AtlasListing;
-		// in load order, the client loads them before joining the world
+		// in load order, the client downloads and loads them before joining the world
 		mods: ModListing[];
 	}
 	// the connection is closed right after