diff --git a/package.json b/package.json
index 3e4980d..0332040 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   },
   "devDependencies": {
     "@neutrinojs/airbnb-base": "^9.4.0",
-    "@neutrinojs/banner": "^9.4.0",
+    "@neutrinojs/banner": "^9.5.0",
     "@neutrinojs/mocha": "^9.4.0",
     "@neutrinojs/react": "^9.4.0",
     "chai": "4.2.0",
diff --git a/packages/entity/src/packets/entity-list-update-entity.js b/packages/entity/src/packets/entity-list-update-entity.js
index 181173e..142a2dd 100644
--- a/packages/entity/src/packets/entity-list-update-entity.js
+++ b/packages/entity/src/packets/entity-list-update-entity.js
@@ -2,15 +2,13 @@ import {packetFromName, Packet} from '@latus/socket';
 
 export default (latus) => class EntityListUpdateEntityPacket extends Packet {
 
-  static pack(packet) {
+  static packData(data) {
     const {BundlePacket} = packetFromName(latus);
-    const data = packet.data[1];
     for (let i = 0; i < data.length; i++) {
-      data[i].packets = BundlePacket.packPacket(
-        new BundlePacket(data[i].packets),
-      );
+      // eslint-disable-next-line no-param-reassign
+      data[i].packets = BundlePacket.bundle(data[i].packets);
     }
-    return super.pack(packet);
+    return data;
   }
 
   static get data() {
@@ -22,14 +20,13 @@ export default (latus) => class EntityListUpdateEntityPacket extends Packet {
     ];
   }
 
-  static unpack(packet) {
+  static unpackData(data) {
     const {BundlePacket} = packetFromName(latus);
-    const unpacked = super.unpack(packet);
-    const {data} = unpacked;
     for (let i = 0; i < data.length; i++) {
-      data[i].packets = BundlePacket.unpack(data[i].packets).data;
+      // eslint-disable-next-line no-param-reassign
+      data[i].packets = BundlePacket.unbundle(data[i].packets);
     }
-    return unpacked;
+    return data;
   }
 
 };
diff --git a/packages/entity/src/packets/entity-update-trait.js b/packages/entity/src/packets/entity-update-trait.js
index af3c265..628fde5 100644
--- a/packages/entity/src/packets/entity-update-trait.js
+++ b/packages/entity/src/packets/entity-update-trait.js
@@ -2,20 +2,19 @@ import {SynchronizedUpdatePacket} from '@avocado/s13n';
 import {traits} from '@avocado/traits';
 import {packetFromName} from '@latus/socket';
 
-// import {traitFromId, traitFromType} from '../trait';
-
 export default (latus) => class EntityUpdateTraitPacket extends SynchronizedUpdatePacket {
 
-  static pack(packet) {
+  static packData(data) {
     const {BundlePacket} = packetFromName(latus);
-    const data = packet.data[1];
     const {fromType} = traits(latus);
     for (let i = 0; i < data.traits.length; i++) {
       const Trait = fromType[data.traits[i].type];
-      data.traits[i].type = Trait.id;
-      data.traits[i].packets = BundlePacket.packPacket(new BundlePacket(data.traits[i].packets));
+      // eslint-disable-next-line no-param-reassign
+      data.traits[i] = {
+        type: Trait.id,
+        packets: BundlePacket.bundle(data.traits[i].packets),
+      };
     }
-    return super.pack(packet);
   }
 
   static get synchronizationSchema() {
@@ -29,17 +28,18 @@ export default (latus) => class EntityUpdateTraitPacket extends SynchronizedUpda
     };
   }
 
-  static unpack(packet) {
+  static unpack(data) {
     const {BundlePacket} = packetFromName(latus);
-    const unpacked = super.unpack(packet);
-    const {data} = unpacked;
     const {fromId} = traits(latus);
     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).data;
+      // eslint-disable-next-line no-param-reassign
+      data.traits[i] = {
+        type: Trait.type(),
+        packets: BundlePacket.unbundle(data.traits[i].packets),
+      };
     }
-    return unpacked;
+    return data;
   }
 
 };
diff --git a/packages/entity/src/packets/trait-update-positioned-position.js b/packages/entity/src/packets/trait-update-positioned-position.js
index 1b659be..62b9dac 100644
--- a/packages/entity/src/packets/trait-update-positioned-position.js
+++ b/packages/entity/src/packets/trait-update-positioned-position.js
@@ -1,21 +1,11 @@
 import {Vector} from '@avocado/math';
+import {compose} from '@latus/core';
 import {Packet} from '@latus/socket';
 
-export default class TraitUpdatePositionedPositionPacket extends Packet {
+const decorate = compose(
+  Vector.packer,
+);
 
-  static pack(packet) {
-    // eslint-disable-next-line no-param-reassign
-    packet.data[1] = Vector.packToUint32(packet.data[1]);
-    return super.pack(packet);
-  }
+class TraitUpdatePositionedPositionPacket extends Packet {}
 
-  static get data() {
-    return 'uint32';
-  }
-
-  static unpack(packet) {
-    const unpacked = super.unpack(packet);
-    return Vector.unpackFromUint32(unpacked);
-  }
-
-}
+export default decorate(TraitUpdatePositionedPositionPacket);
diff --git a/packages/graphics/src/packets/trait-update-visible.js b/packages/graphics/src/packets/trait-update-visible.js
index 647bd73..ad4c87c 100644
--- a/packages/graphics/src/packets/trait-update-visible.js
+++ b/packages/graphics/src/packets/trait-update-visible.js
@@ -2,27 +2,25 @@ import {Packet} from '@latus/socket';
 
 export default class TraitUpdateVisiblePacket extends Packet {
 
-  static pack(packet) {
-    const data = packet.data[1];
-    data.opacity = Math.floor(data.opacity * 255);
-    return super.pack(packet);
-  }
-
-  static get schema() {
+  static packData(data) {
     return {
-      ...super.schema,
-      data: {
-        isVisible: 'bool',
-        opacity: 'uint8',
-      },
+      isVisibile: data.isVisible,
+      opacity: Math.floor(data.opacity * 255),
     };
   }
 
-  static unpack(packet) {
-    const unpacked = super.unpack(packet);
-    const {data} = unpacked;
-    data.opacity /= 255;
-    return unpacked;
+  static get data() {
+    return {
+      isVisible: 'bool',
+      opacity: 'uint8',
+    };
+  }
+
+  static unpackData(data) {
+    return {
+      isVisibile: data.isVisible,
+      opacity: data.opacity / 255,
+    };
   }
 
 }
diff --git a/packages/input/src/packets/input.js b/packages/input/src/packets/input.js
index 2dad9ca..cdb1e8d 100644
--- a/packages/input/src/packets/input.js
+++ b/packages/input/src/packets/input.js
@@ -2,49 +2,46 @@ import {Packet} from '@latus/socket';
 
 export default class InputPacket extends Packet {
 
+  static #actionIds = {};
+
+  static #idActions = {};
+
   static setActionIds(actionIds) {
-    this._actionIds = actionIds;
-    this._idActions = {};
-    const actions = Object.entries(this._actionIds);
+    this.#actionIds = actionIds;
+    this.#idActions = {};
+    const actions = Object.entries(this.#actionIds);
     for (let i = 0; i < actions.length; i++) {
       const [action, id] = actions[i];
-      this._idActions[id] = action;
+      this.#idActions[id] = action;
     }
   }
 
-  static pack(packet) {
-    const data = packet.data[1];
+  static packData(data) {
     for (let i = 0; i < data.length; i++) {
       const {action, value} = data[i];
-      const actionId = this._actionIds[action];
-      // eslint-disable-next-line no-bitwise
+      const actionId = this.#actionIds[action];
+      // eslint-disable-next-line no-bitwise, no-param-reassign
       data[i] = ((actionId & 0xFF) << 24) | (value & 0xFFFFFF);
     }
-    return super.pack(packet);
+    return data;
   }
 
-  static get schema() {
-    return {
-      ...super.schema,
-      data: ['uint32'],
-    };
+  static get data() {
+    return 'uint32';
   }
 
-  static unpack(packet) {
-    const unpacked = super.unpack(packet);
-    const {data} = unpacked;
+  static unpackData(data) {
     for (let i = 0; i < data.length; i++) {
-      /* eslint-disable no-bitwise */
-      const actionId = data[i] >> 24;
-      const value = data[i] & 0xFFFFFF;
-      /* eslint-enable no-bitwise */
+      // eslint-disable-next-line no-bitwise
+      const [actionId, value] = [data[i] >> 24, data[i] & 0xFFFFFF];
+      // eslint-disable-next-line no-param-reassign
       data[i] = {
-        action: this._idActions[actionId],
+        action: this.#idActions[actionId],
         // -1 is nice to handle, anyway. We'll be a pal.
         value: 16777214 === value ? -1 : value,
       };
     }
-    return unpacked;
+    return data;
   }
 
 }
diff --git a/packages/math/src/vector/packer.js b/packages/math/src/vector/packer.js
new file mode 100644
index 0000000..7921da3
--- /dev/null
+++ b/packages/math/src/vector/packer.js
@@ -0,0 +1,51 @@
+/* eslint-disable no-bitwise */
+export function unpackFromUint32(uint32) {
+  return [
+    uint32 & 0xFFFF,
+    uint32 >> 16,
+  ];
+}
+
+export function packToUint32(v) {
+  const x = Math.min(65535, Math.max(0, v[0]));
+  const y = Math.min(65535, Math.max(0, v[1]));
+  return (y << 16) | x;
+}
+/* eslint-enable no-bitwise */
+
+export default (key) => (Superclass) => {
+  class PackedVectorPacket extends Superclass {}
+  Object.defineProperty(
+    PackedVectorPacket,
+    'data',
+    key
+      ? {
+        get() {
+          // eslint-disable-next-line no-param-reassign
+          const data = super.data;
+          data[key] = 'uint32';
+          return data;
+        },
+      }
+      : {
+        get() {
+          return 'uint32';
+        },
+      },
+  );
+  PackedVectorPacket.packData = key
+    ? (data) => {
+      // eslint-disable-next-line no-param-reassign
+      data[key] = packToUint32(data[key]);
+      return data;
+    }
+    : (data) => packToUint32(data);
+  PackedVectorPacket.unpackData = key
+    ? (data) => {
+      // eslint-disable-next-line no-param-reassign
+      data[key] = unpackFromUint32(data[key]);
+      return data;
+    }
+    : (data) => unpackFromUint32(data);
+  return PackedVectorPacket;
+};
diff --git a/packages/math/src/vector/vector.js b/packages/math/src/vector/vector.js
index 3b9d436..8c7a124 100644
--- a/packages/math/src/vector/vector.js
+++ b/packages/math/src/vector/vector.js
@@ -375,17 +375,8 @@ export function toObject(v) {
   return {x: v[0], y: v[1]};
 }
 
-/* eslint-disable no-bitwise */
-export function unpackFromUint32(uint32) {
-  return [
-    uint32 & 0xFFFF,
-    uint32 >> 16,
-  ];
-}
-
-export function packToUint32(v) {
-  const x = Math.min(65535, Math.max(0, v[0]));
-  const y = Math.min(65535, Math.max(0, v[1]));
-  return (y << 16) | x;
-}
-/* eslint-enable no-bitwise */
+export {
+  default as Packer,
+  packToUint32,
+  unpackFromUint32,
+} from './packer';
diff --git a/packages/s13n/src/packets/synchronized-create.js b/packages/s13n/src/packets/synchronized-create.js
index 1728a21..12c377c 100644
--- a/packages/s13n/src/packets/synchronized-create.js
+++ b/packages/s13n/src/packets/synchronized-create.js
@@ -4,10 +4,10 @@ import SynchronizedPacket from './synchronized';
 
 export default class SynchronizedCreatePacket extends SynchronizedPacket {
 
-  static pack(packet) {
-    const data = packet.data[1];
+  static packData(data) {
+    // eslint-disable-next-line no-param-reassign
     data.spec = msgpack.encode(data.spec);
-    return super.pack(packet);
+    return data;
   }
 
   static get synchronizationSchema() {
@@ -16,11 +16,10 @@ export default class SynchronizedCreatePacket extends SynchronizedPacket {
     };
   }
 
-  static unpack(packet) {
-    const unpacked = super.unpack(packet);
-    const {data} = unpacked;
+  static unpackData(data) {
+    // eslint-disable-next-line no-param-reassign
     data.spec = msgpack.decode(data.spec);
-    return unpacked;
+    return data;
   }
 
 }
diff --git a/packages/topdown/src/packets/layer-update-tileset-uri.packet.js b/packages/topdown/src/packets/layer-update-tileset-uri.packet.js
index e7a20d5..7d24dd9 100644
--- a/packages/topdown/src/packets/layer-update-tileset-uri.packet.js
+++ b/packages/topdown/src/packets/layer-update-tileset-uri.packet.js
@@ -2,10 +2,8 @@ import {Packet} from '@latus/socket';
 
 export default class LayerUpdateTilesetUriPacket extends Packet {
 
-  static get schema() {
-    return {
-      data: 'string',
-    };
+  static get data() {
+    return 'string';
   }
 
 }
diff --git a/packages/topdown/src/packets/layers-update-layer.packet.js b/packages/topdown/src/packets/layers-update-layer.packet.js
index d85d62f..5f6cb13 100644
--- a/packages/topdown/src/packets/layers-update-layer.packet.js
+++ b/packages/topdown/src/packets/layers-update-layer.packet.js
@@ -2,35 +2,29 @@ import {BundlePacket, Packet} from '@latus/socket';
 
 export default class LayersUpdateLayerPacket extends Packet {
 
-  static pack(packet) {
-    const data = packet.data[1];
+  static packData(data) {
     for (let i = 0; i < data.length; i++) {
-      data[i].layerPackets = BundlePacket.packPacket(
-        new BundlePacket(data[i].layerPackets),
-      );
+      // eslint-disable-next-line no-param-reassign
+      data[i].layerPackets = BundlePacket.bundle(data[i].layerPackets);
     }
-    return super.pack(packet);
+    return data;
   }
 
-  static get schema() {
-    return {
-      ...super.schema,
-      data: [
-        {
-          layerIndex: 'uint8',
-          layerPackets: 'buffer',
-        },
-      ],
-    };
+  static get data() {
+    return [
+      {
+        layerIndex: 'uint8',
+        layerPackets: 'buffer',
+      },
+    ];
   }
 
-  static unpack(packet) {
-    const unpacked = super.unpack(packet);
-    const {data} = unpacked;
+  static unpackData(data) {
     for (let i = 0; i < data.length; i++) {
-      data[i].layerPackets = BundlePacket.unpack(data[i].layerPackets).data;
+      // eslint-disable-next-line no-param-reassign
+      data[i].layerPackets = BundlePacket.unbundle(data[i].layerPackets);
     }
-    return unpacked;
+    return data;
   }
 
 }
diff --git a/packages/topdown/src/packets/room-update-layers.packet.js b/packages/topdown/src/packets/room-update-layers.packet.js
index 68193a7..3536236 100644
--- a/packages/topdown/src/packets/room-update-layers.packet.js
+++ b/packages/topdown/src/packets/room-update-layers.packet.js
@@ -1,14 +1,12 @@
 import {BundlePacket} from '@latus/socket';
 import {SynchronizedUpdatePacket} from '@avocado/s13n';
 
-export default class RoomUpdateLayersPacket extends SynchronizedUpdatePacket {
+export default class RoomUpdateLayers extends SynchronizedUpdatePacket {
 
-  static pack(packet) {
-    const data = packet.data[1];
-    data.layersPackets = BundlePacket.packPacket(
-      new BundlePacket(data.layersPackets),
-    );
-    return super.pack(packet);
+  static packData(data) {
+    // eslint-disable-next-line no-param-reassign
+    data.layersPackets = BundlePacket.bundle(data.layerPackets);
+    return data;
   }
 
   static get synchronizationSchema() {
@@ -17,11 +15,10 @@ export default class RoomUpdateLayersPacket extends SynchronizedUpdatePacket {
     };
   }
 
-  static unpack(packet) {
-    const unpacked = super.unpack(packet);
-    const {data} = unpacked;
-    data.layersPackets = BundlePacket.unpack(data.layersPackets).data;
-    return unpacked;
+  static unpackData(data) {
+    // eslint-disable-next-line no-param-reassign
+    data.layersPackets = BundlePacket.unbundle(data.layersPackets);
+    return data;
   }
 
 }
diff --git a/packages/topdown/src/packets/tiles-update.packet.js b/packages/topdown/src/packets/tiles-update.packet.js
index 6286a85..41d7598 100644
--- a/packages/topdown/src/packets/tiles-update.packet.js
+++ b/packages/topdown/src/packets/tiles-update.packet.js
@@ -1,29 +1,19 @@
 import {Vector} from '@avocado/math';
+import {compose} from '@latus/core';
 import {Packet} from '@latus/socket';
 
-export default class TilesUpdatePacket extends Packet {
+const decorate = compose(
+  Vector.packer('position'),
+);
 
-  static pack(packet) {
-    const data = packet.data[1];
-    data.position = Vector.packToUint32(data.position);
-    return super.pack(packet);
-  }
+class TilesUpdatePacket extends Packet {
 
-  static get schema() {
+  static get data() {
     return {
-      ...super.schema,
-      data: {
-        position: 'uint32',
-        tile: 'uint16',
-      },
+      tile: 'uint16',
     };
   }
 
-  static unpack(packet) {
-    const unpacked = super.unpack(packet);
-    const {data} = unpacked;
-    data.position = Vector.unpackFromUint32(data.position);
-    return unpacked;
-  }
-
 }
+
+export default decorate(TilesUpdatePacket);
diff --git a/yarn.lock b/yarn.lock
index e7dddea..823d008 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1896,6 +1896,11 @@
     eslint-config-airbnb-base "^14.2.0"
     eslint-plugin-import "^2.22.0"
 
+"@neutrinojs/banner@^9.5.0":
+  version "9.5.0"
+  resolved "https://npm.i12e.cha0s.io/@neutrinojs%2fbanner/-/banner-9.5.0.tgz#ee8df39db5d76033211a1811428e444a06d7222f"
+  integrity sha512-SL4nT0V1Wykf+LcRlCp/L8Frt4dk7MZITToC+OeDz2w6V7gg8YfEwDfdEg+aampjyUoxaq+A02ZyZP1TyRDtLA==
+
 "@neutrinojs/clean@9.5.0":
   version "9.5.0"
   resolved "https://npm.i12e.cha0s.io/@neutrinojs%2fclean/-/clean-9.5.0.tgz#77cfb0add1584741c7501f5e12ad206b67f216bf"
@@ -9500,7 +9505,7 @@ source-map-resolve@^0.5.0:
     source-map-url "^0.4.0"
     urix "^0.1.0"
 
-source-map-support@^0.5.16, source-map-support@~0.5.12:
+source-map-support@0.5.19, source-map-support@^0.5.16, source-map-support@~0.5.12:
   version "0.5.19"
   resolved "https://npm.i12e.cha0s.io/source-map-support/-/source-map-support-0.5.19.tgz#a98b62f86dcaf4f67399648c085291ab9e8fed61"
   integrity sha512-Wonm7zOCIJzBGQdB+thsPar0kYuCIzYvxZwlBa87yi/Mdjv7Tip2cyVbLj5o0cFPN4EVkuTwb3GDDyUx2DGnGw==