From 2fc0b35eee6fd2a1d6066216207e406b116c58d8 Mon Sep 17 00:00:00 2001
From: cha0s <git@cha0s.io>
Date: Thu, 16 May 2019 17:44:45 -0500
Subject: [PATCH] perf: only send a numeric ID over the wire

---
 packages/entity/index.js                        | 3 +++
 packages/entity/packets/entity-create.packet.js | 4 +---
 packages/entity/packets/entity.packet.js        | 4 ++--
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/packages/entity/index.js b/packages/entity/index.js
index 7babcba..dcafc33 100644
--- a/packages/entity/index.js
+++ b/packages/entity/index.js
@@ -81,6 +81,8 @@ const decorate = compose(
   Synchronized,
 );
 
+let numericUid = 1;
+
 export class Entity extends decorate(Resource) {
 
   constructor(json) {
@@ -97,6 +99,7 @@ export class Entity extends decorate(Resource) {
     // Bind to prevent lookup overhead.
     this.tick = this.tick.bind(this);
     // Fast props.
+    this.numericUid = numericUid++;
     this.position = [0, 0];
     this.visibleAabb = [0, 0, 0, 0];
     // Fast path for instance.
diff --git a/packages/entity/packets/entity-create.packet.js b/packages/entity/packets/entity-create.packet.js
index c69b1e1..1344eaf 100644
--- a/packages/entity/packets/entity-create.packet.js
+++ b/packages/entity/packets/entity-create.packet.js
@@ -6,11 +6,9 @@ export class EntityCreatePacket extends EntityPacket {
 
   constructor(data, entity) {
     if ('undefined' !== typeof entity) {
-      data.uuid = entity.instanceUuid;
       data.layer = entity.layer.index;
     }
-    super(data);
-    this.entity = entity;
+    super(data, entity);
   }
 
   static pack(packet) {
diff --git a/packages/entity/packets/entity.packet.js b/packages/entity/packets/entity.packet.js
index de4d0c5..3fc930c 100644
--- a/packages/entity/packets/entity.packet.js
+++ b/packages/entity/packets/entity.packet.js
@@ -4,7 +4,7 @@ export class EntityPacket extends Packet {
 
   constructor(data, entity) {
     if ('undefined' !== typeof entity) {
-      data.uuid = entity.instanceUuid;
+      data.uuid = entity.numericUid;
     }
     super(data);
     this.entity = entity;
@@ -14,7 +14,7 @@ export class EntityPacket extends Packet {
     return {
       ...super.schema,
       data: {
-        uuid: 'string',
+        uuid: 'uint32',
       },
     };
   }