Add basic multiplayer

frontend/src/scripts/transport/deserialize.ts

@@ -0,0 +1,28 @@
+import {
+  CharacterBase,
+  commandConstructors,
+  GameObject,
+  LampBase,
+  TunnelBase,
+} from 'shared';
+import { CharacterView } from '../objects/character-view';
+import { LampView } from '../objects/lamp-view';
+import { TunnelView } from '../objects/tunnel-view';
+
+const constructors: { [type: string]: new (...values: Array<any>) => GameObject } = {
+  [TunnelBase.type]: TunnelView,
+  [LampBase.type]: LampView,
+  [CharacterBase.type]: CharacterView,
+  ...commandConstructors,
+};
+
+export const deserialize = (json: string): GameObject => {
+  const [type, ...values] = JSON.parse(json);
+  return new constructors[type](...values);
+};
+
+export const deserializeJsonArray = (json: string): Array<GameObject> => {
+  return (JSON.parse(json) as Array<any>).map(
+    ([type, ...values]) => new constructors[type](...values)
+  );
+};