refactor: packet coding

packages/entity/packets/entity-list-update-entity.packet.js

@@ -25,11 +25,12 @@ export default class EntityListUpdateEntityPacket extends Packet {
   }
 
   static unpack(packet) {
-    const data = super.unpack(packet);
+    const unpacked = super.unpack(packet);
+    const {data} = unpacked;
     for (let i = 0; i < data.length; i++) {
       data[i].packets = BundlePacket.unpack(data[i].packets);
     }
-    return data;
+    return unpacked;
   }
 
 }

packages/entity/packets/entity-update-trait.packet.js

@@ -29,13 +29,14 @@ export default class EntityUpdateTraitPacket extends SynchronizedUpdatePacket {
   }
 
   static unpack(packet) {
-    const data = super.unpack(packet);
+    const unpacked = super.unpack(packet);
+    const {data} = unpacked;
     for (let i = 0; i < data.traits.length; i++) {
       const {default: Trait} = fromId(data.traits[i].type);
       data.traits[i].type = Trait.type();
       data.traits[i].packets = BundlePacket.unpack(data.traits[i].packets);
     }
-    return data;
+    return unpacked;
   }
 
 }

packages/entity/packets/trait-update-positioned-position.packet.js

@@ -19,9 +19,10 @@ export default class TraitUpdatePositionedPositionPacket extends Packet {
   }
 
   static unpack(packet) {
-    const data = super.unpack(packet);
+    const unpacked = super.unpack(packet);
+    const {data} = unpacked;
     data.position = Vector.unpackFromUint32(data.position);
-    return data;
+    return unpacked;
   }
 
 }

packages/graphics/packets/trait-update-visible.packet.js

@@ -19,9 +19,10 @@ export default class TraitUpdateVisiblePacket extends Packet {
   }
 
   static unpack(packet) {
-    const data = super.unpack(packet);
+    const unpacked = super.unpack(packet);
+    const {data} = unpacked;
     data.opacity = data.opacity / 255;
-    return data;
+    return unpacked;
   }
 
 }

packages/input/packet/input.packet.js

@@ -30,7 +30,8 @@ export default class InputPacket extends Packet {
   }
 
   static unpack(packet) {
-    const data = super.unpack(packet);
+    const unpacked = super.unpack(packet);
+    const {data} = unpacked;
     for (let i = 0; i < data.length; i++) {
       const actionId = data[i] >> 24;
       const value = data[i] & 0xFFFFFF;
@@ -40,7 +41,7 @@ export default class InputPacket extends Packet {
         value: 16777214 === value ? -1 : value,
       };
     }
-    return data;
+    return unpacked;
   }
 
 }

packages/net/packet/bundle.packet.js

@@ -44,7 +44,8 @@ export default class BundlePacket extends Packet {
   }
 
   static unpack(packet) {
-    const data = super.unpack(packet);
+    const unpacked = super.unpack(packet);
+    const {data} = unpacked;
     const {fromId} = require('./packets.scwp');
     const packets = [];
     let caret = 0;

packages/net/packet/packet.js

@@ -22,6 +22,9 @@ export class Packet {
 
   static pack(packet) {
     return this.builder.encode({
+      id: packet.id,
+      nsp: packet.nsp,
+      type: packet.type,
       _id: packet.data[0],
       data: packet.data[1],
     });
@@ -38,12 +41,14 @@ export class Packet {
   static get schema() {
     return {
       _id: 'uint8',
+      id: 'uint32',
+      nsp: 'string',
+      type: 'uint8',
     };
   }
 
   static unpack(packet) {
-    const {data} = this.builder.decode(packet);
-    return data;
+    return this.builder.decode(packet);
   }
 
 }

packages/net/packet/socket.io-parser.js

@@ -1,20 +1,85 @@
 import {compose, deflate, EventEmitter, inflate} from '@avocado/core';
 
+export const types = [
+  'CONNECT',
+  'DISCONNECT',
+  'EVENT',
+  'ACK',
+  'ERROR',
+  'BINARY_EVENT',
+  'BINARY_ACK'
+];
+
 /**
- * Packet types (see https://github.com/socketio/socket.io-protocol)
+ * Packet type `connect`.
+ *
+ * @api public
  */
-const TYPES = {
-  EVENT: 2,
-  ERROR: 4,
-  BINARY_EVENT: 5,
-};
+
+export const CONNECT = 0;
+
+/**
+ * Packet type `disconnect`.
+ *
+ * @api public
+ */
+
+export const DISCONNECT = 1;
+
+/**
+ * Packet type `event`.
+ *
+ * @api public
+ */
+
+export const EVENT = 2;
+
+/**
+ * Packet type `ack`.
+ *
+ * @api public
+ */
+
+export const ACK = 3;
+
+/**
+ * Packet type `error`.
+ *
+ * @api public
+ */
+
+export const ERROR = 4;
+
+/**
+ * Packet type 'binary event'
+ *
+ * @api public
+ */
+
+export const BINARY_EVENT = 5;
+
+/**
+ * Packet type `binary ack`. For acks with binary arguments.
+ *
+ * @api public
+ */
+
+export const BINARY_ACK = 6;
+
+// /**
+//  * Packet types (see https://github.com/socketio/socket.io-protocol)
+//  */
+// const TYPES = {
+//   // EVENT: 2,
+//   BINARY_EVENT: 5,
+// };
 
 class Encoder {
 
   encode(packet, callback) {
     switch (packet.type) {
-      case TYPES.EVENT:
-      case TYPES.BINARY_EVENT:
+      case BINARY_ACK:
+      case BINARY_EVENT:
         return callback([this.pack(packet)]);
       default:
         return callback([JSON.stringify(packet)]);
@@ -53,11 +118,13 @@ class Decoder extends decorateDecoder(class {}) {
     const view = new Uint8Array(packet);
     const packetId = view[0];
     const {default: Packet} = fromId(packetId);
-    const data = Packet.unpack(packet);
+    const unpacked = Packet.unpack(packet);
+    const {data} = unpacked;
     this.emit('decoded', {
-      type: TYPES.EVENT,
+      type: unpacked.type,
       data: [packetId, data],
-      nsp: '/',
+      id: unpacked.id,
+      nsp: unpacked.nsp,
     });
   }
 

packages/net/s13n/synchronized-create.packet.js

@@ -17,9 +17,10 @@ export default class SynchronizedCreatePacket extends SynchronizedPacket {
   }
 
   static unpack(packet) {
-    const data = super.unpack(packet);
+    const unpacked = super.unpack(packet);
+    const {data} = unpacked;
     data.spec = msgpack.decode(data.spec);
-    return data;
+    return unpacked;
   }
 
 }

packages/topdown/packets/layers-update-layer.packet.js

@@ -25,13 +25,14 @@ export default class LayersUpdateLayerPacket extends Packet {
   }
 
   static unpack(packet) {
-    const data = super.unpack(packet);
+    const unpacked = super.unpack(packet);
+    const {data} = unpacked;
     for (let i = 0; i < data.length; i++) {
       data[i].layerPackets = BundlePacket.unpack(
         data[i].layerPackets
       );
     }
-    return data;
+    return unpacked;
   }
 
 }

packages/topdown/packets/room-update-layers.packet.js

@@ -18,9 +18,10 @@ export default class RoomUpdateLayersPacket extends SynchronizedUpdatePacket {
   }
 
   static unpack(packet) {
-    const data = super.unpack(packet);
+    const unpacked = super.unpack(packet);
+    const {data} = unpacked;
     data.layersPackets = BundlePacket.unpack(data.layersPackets);
-    return data;
+    return unpacked;
   }
 
 }

packages/topdown/packets/room-update-size.packet.js

@@ -16,9 +16,10 @@ export default class RoomUpdateSizePacket extends SynchronizedUpdatePacket {
   }
 
   static unpack(packet) {
-    const data = super.unpack(packet);
+    const unpacked = super.unpack(packet);
+    const {data} = unpacked;
     data.size = Vector.unpackFromUint32(data.size);
-    return data;
+    return unpacked;
   }
 
 }

packages/topdown/packets/tiles-update.packet.js

@@ -20,9 +20,10 @@ export default class TilesUpdatePacket extends Packet {
   }
 
   static unpack(packet) {
-    const data = super.unpack(packet);
+    const unpacked = super.unpack(packet);
+    const {data} = unpacked;
     data.position = Vector.unpackFromUint32(data.position);
-    return data;
+    return unpacked;
   }
 
 }