significant optimzations

index.js

@@ -1,6 +1,7 @@
 import express from "express";
 import expressW from "express-ws";
 import Game from "./game.js";
+import NPC from "./common/npc.js";
 import Player from "./common/player.js";
 
 var app = express();
@@ -21,7 +22,8 @@ app.ws('/', function (ws, req) {
     game.entities[playerI] = player;
 
     ws.active = true;
-    
+    ws.ent = player;
+
     // This will only work under NGINX.
     console.log(`A player ${player.you} joined under IP ${req.headers["x-real-ip"]}`)
 
@@ -31,18 +33,24 @@ app.ws('/', function (ws, req) {
             data = JSON.parse(msg);
         } catch (err) {
             console.log(err);
-            data = {};
+            data = [];
         }
-        let { vel, dir, you, ticks, isMenu, r, playing } = data;
-        let data2 = { vel, dir, you, ticks, isMenu, r, playing };
 
-        let you2 = game.entities[playerI].you;
+        let newEnt = game.entities[playerI];
+
+        let {you} = newEnt;
+
+        let props = player.legalProps;
+
+        for (let i in props) {
+            newEnt[props[i]] = data[i];
+        }
+
+        let you2 = newEnt.you;
 
         if (you != you2) {
-            console.log(`A player ${you2} now identifies as ${you}`);
+            console.log(`A player ${you} now identifies as ${you2}`);
         }
-
-        game.entities[playerI] = Object.assign(game.entities[playerI], data2);
     })
 
     ws.on('close', function () {