Implement main game as a mod

client/main.ts

@@ -4,9 +4,7 @@ import { InputManager } from "./input_manager.ts";
 import { Connection, get_player_name, get_server_url } from "./network.ts";
 import { begin_drawing, clear_background, end_drawing, init_font, init_window } from "./renderer/mod.ts";
 import { is_stopped, show_fatal_error } from "./fatal.ts";
-
-await import("$/common/blocks/mod.ts");
-await import("$/common/items/mod.ts");
+import { load_client_mods, set_mods_world } from "./mods.ts";
 
 export class ClientLoop {
 	running = false;
@@ -94,16 +92,30 @@ init_font();
 
 // the game only runs against a server, it owns the world and everything in it
 const connection = await Connection.open(get_server_url(), get_player_name());
+let mods_loaded = false;
 if (connection) {
 	console.log(`Connected to ${get_server_url()}`);
+	try {
+		// blocks, items and textures all come from mods, so this happens before anything else
+		await load_client_mods(connection.mods);
+		console.log(`Mods: ${connection.mods.map((mod) => `${mod.id} ${mod.version}`).join(", ") || "none"}`);
+		mods_loaded = true;
+	} catch (e) {
+		console.error(e);
+		show_fatal_error(`Couldn't load the server's mods: ${e instanceof Error ? e.message : e}`);
+		connection.socket.close();
+	}
+}
 
+if (connection && mods_loaded) {
 	const client_world = new ClientWorld(connection);
+	set_mods_world(client_world);
 	client_world.add_chat("Connected to the server");
 
 	const loop = new ClientLoop(client_world);
 	loop.start();
 
 	console.log("Game started");
-} else {
+} else if (!connection) {
 	show_fatal_error(`Couldn't connect to the server at ${get_server_url()}`);
 }