diff --git a/src/protocol.js b/src/protocol.js
index 1172a14..7149529 100644
--- a/src/protocol.js
+++ b/src/protocol.js
@@ -14,793 +14,7 @@ var states = {
   "PLAY": "play"
 }
 
-var packets = {
-  handshaking: {
-    toClient: {},
-    toServer: {
-      set_protocol:          {id: 0x00, fields: [
-        { name: "protocolVersion", type: "varint" },
-        { name: "serverHost", type: "string" },
-        { name: "serverPort", type: "ushort" },
-        { name: "nextState", type: "varint" }
-      ]}
-    },
-  },
-
-// TODO : protocollib names aren't the best around here
-  status: {
-    toClient: {
-      server_info:    {id: 0x00, fields: [
-        { name: "response", type: "ustring" }
-      ]},
-      ping:        {id: 0x01, fields: [
-        { name: "time", type: "long" }
-      ]}
-    },
-    toServer: {
-      ping_start:     {id: 0x00, fields: []},
-      ping:        {id: 0x01, fields: [
-        { name: "time", type: "long" }
-      ]}
-    }
-  },
-
-  login: {
-    toClient: {
-      disconnect:   {id: 0x00, fields: [
-        { name: "reason", type: "string" }
-      ]},
-      encryption_begin: {id: 0x01, fields: [
-        { name: "serverId", type: "string" },
-        { name: "publicKeyLength", type: "count", typeArgs: { type: "varint", countFor: "publicKey" } },
-        { name: "publicKey", type: "buffer", typeArgs: { count: "publicKeyLength" } },
-        { name: "verifyTokenLength", type: "count", typeArgs: { type: "varint", countFor: "verifyToken" } },
-        { name: "verifyToken", type: "buffer", typeArgs: { count: "verifyTokenLength" } },
-      ]},
-      success:      {id: 0x02, fields: [
-        { name: "uuid", type: "string" },
-        { name: "username", type: "string" }
-      ]},
-      compress: { id: 0x03, fields: [
-        { name: "threshold", type: "varint"}
-      ]}
-    },
-    toServer: {
-      login_start:        {id: 0x00, fields: [
-        { name: "username", type: "string" }
-      ]},
-      encryption_begin: {id: 0x01, fields: [
-        { name: "sharedSecretLength", type: "count", typeArgs: { type: "varint", countFor: "sharedSecret" } },
-        { name: "sharedSecret", type: "buffer", typeArgs: { count: "sharedSecretLength" } },
-        { name: "verifyTokenLength", type: "count", typeArgs: { type: "varint", countFor: "verifyToken" } },
-        { name: "verifyToken", type: "buffer", typeArgs: { count: "verifyTokenLength" } },
-      ]}
-    }
-  },
-
-  play: {
-    toClient: {
-      keep_alive:         {id: 0x00, fields: [
-      { name: "keepAliveId", type: "varint" },
-      ]},
-      login:          {id: 0x01, fields: [
-        { name: "entityId", type: "int" },
-        { name: "gameMode", type: "ubyte" },
-        { name: "dimension", type: "byte" },
-        { name: "difficulty", type: "ubyte" },
-        { name: "maxPlayers", type: "ubyte" },
-        { name: "levelType", type: "string" },
-        { name: "reducedDebugInfo", type: "bool"}
-      ]},
-      chat:               {id: 0x02, fields: [
-        { name: "message", type: "ustring" },
-        { name: "position", type: "byte" }
-      ]},
-      update_time:        {id: 0x03, fields: [
-        { name: "age", type: "long" },
-        { name: "time", type: "long" },
-      ]},
-      entity_equipment:   {id: 0x04, fields: [
-        { name: "entityId", type: "varint" },
-        { name: "slot", type: "short" },
-        { name: "item", type: "slot" }
-      ]},
-      spawn_position:     {id: 0x05, fields: [
-        { name: "location", type: "position" } /* TODO: Implement position */
-      ]},
-      update_health:      {id: 0x06, fields: [
-        { name: "health", type: "float" },
-        { name: "food", type: "varint" },
-        { name: "foodSaturation", type: "float" }
-      ]},
-      respawn:            {id: 0x07, fields: [
-        { name: "dimension", type: "int" },
-        { name: "difficulty", type: "ubyte" },
-        { name: "gamemode", type: "ubyte" },
-        { name: "levelType", type: "string" }
-      ]},
-      position:    {id: 0x08, fields: [
-        { name: "x", type: "double" },
-        { name: "y", type: "double" },
-        { name: "z", type: "double" },
-        { name: "yaw", type: "float" },
-        { name: "pitch", type: "float" },
-        { name: "flags", type: "byte" /* <Dinnerbone> It's a bitfield, X/Y/Z/Y_ROT/X_ROT. If X is set, the x value is relative and not absolute. */}
-      ]},
-      held_item_slot:   {id: 0x09, fields: [
-        { name: "slot", type: "byte" }
-      ]},
-      bed:            {id: 0x0a, fields: [
-        { name: "entityId", type: "varint" },
-        { name: "location", type: "position" }
-      ]},
-      animation:          {id: 0x0b, fields: [
-        { name: "entityId", type: "varint" },
-        { name: "animation", type: "ubyte" }
-      ]},
-      named_entity_spawn:       {id: 0x0c, fields: [
-        { name: "entityId", type: "varint" },
-        { name: "playerUUID", type: "UUID"},
-        { name: "x", type: "int" },
-        { name: "y", type: "int" },
-        { name: "z", type: "int" },
-        { name: "yaw", type: "byte" },
-        { name: "pitch", type: "byte" },
-        { name: "currentItem", type: "short" },
-        { name: "metadata", type: "entityMetadata" }
-      ]},
-      collect:       {id: 0x0d, fields: [
-        { name: "collectedEntityId", type: "varint" },
-        { name: "collectorEntityId", type: "varint" }
-      ]},
-      spawn_entity:       {id: 0x0e, fields: [
-        { name: "entityId", type: "varint" },
-        { name: "type", type: "byte" },
-        { name: "x", type: "int" },
-        { name: "y", type: "int" },
-        { name: "z", type: "int" },
-        { name: "pitch", type: "byte" },
-        { name: "yaw", type: "byte" },
-        { name: "objectData", type: "container", typeArgs: { fields: [
-          { name: "intField", type: "int" },
-          { name: "velocityX", type: "short", condition: function(field_values) {
-            return field_values['this']['intField'] != 0;
-          }},
-          { name: "velocityY", type: "short", condition: function(field_values) {
-            return field_values['this']['intField'] != 0;
-          }},
-          { name: "velocityZ", type: "short", condition: function(field_values) {
-            return field_values['this']['intField'] != 0;
-          }}
-        ]}}
-      ]},
-      spawn_entity_living:          {id: 0x0f, fields: [
-        { name: "entityId", type: "varint" },
-        { name: "type", type: "ubyte" },
-        { name: "x", type: "int" },
-        { name: "y", type: "int" },
-        { name: "z", type: "int" },
-        { name: "yaw", type: "byte" },
-        { name: "pitch", type: "byte" },
-        { name: "headPitch", type: "byte" },
-        { name: "velocityX", type: "short" },
-        { name: "velocityY", type: "short" },
-        { name: "velocityZ", type: "short" },
-        { name: "metadata", type: "entityMetadata" },
-      ]},
-      spawn_entity_painting:     {id: 0x10, fields: [
-        { name: "entityId", type: "varint" },
-        { name: "title", type: "string" },
-        { name: "location", type: "position" },
-        { name: "direction", type: "ubyte" }
-      ]},
-      spawn_entity_experience_orb: {id: 0x11, fields: [
-        { name: "entityId", type: "varint" },
-        { name: "x", type: "int" },
-        { name: "y", type: "int" },
-        { name: "z", type: "int" },
-        { name: "count", type: "short" }
-      ]},
-      entity_velocity:    {id: 0x12, fields: [
-        { name: "entityId", type: "varint" },
-        { name: "velocityX", type: "short" },
-        { name: "velocityY", type: "short" },
-        { name: "velocityZ", type: "short" }
-      ]},
-      entity_destroy:   {id: 0x13, fields: [
-        { name: "count", type: "count", typeArgs: { type: "varint", countFor: "entityIds" } },
-        { name: "entityIds", type: "array", typeArgs: { type: "varint", count: "count" } }
-      ]},
-      entity:             {id: 0x14, fields: [
-        { name: "entityId", type: "varint" }
-      ]},
-      rel_entity_move: {id: 0x15, fields: [
-        { name: "entityId", type: "varint" },
-        { name: "dX", type: "byte" },
-        { name: "dY", type: "byte" },
-        { name: "dZ", type: "byte" },
-        { name: "onGround", type: "bool"}
-      ]},
-      entity_look:        {id: 0x16, fields: [
-        { name: "entityId", type: "varint" },
-        { name: "yaw", type: "byte" },
-        { name: "pitch", type: "byte" },
-        { name: "onGround", type: "bool"}
-      ]},
-      entity_move_look: {id: 0x17, fields: [
-        { name: "entityId", type: "varint" },
-        { name: "dX", type: "byte" },
-        { name: "dY", type: "byte" },
-        { name: "dZ", type: "byte" },
-        { name: "yaw", type: "byte" },
-        { name: "pitch", type: "byte" },
-        { name: "onGround", type: "bool"}
-      ]},
-      entity_teleport:    {id: 0x18, fields: [
-        { name: "entityId", type: "varint" },
-        { name: "x", type: "int" },
-        { name: "y", type: "int" },
-        { name: "z", type: "int" },
-        { name: "yaw", type: "byte" },
-        { name: "pitch", type: "byte" },
-        { name: "onGround", type: "bool"}
-      ]},
-      entity_head_rotation:   {id: 0x19, fields: [
-        { name: "entityId", type: "varint" },
-        { name: "headYaw", type: "byte" },
-      ]},
-      entity_status:      {id: 0x1a, fields: [
-        { name: "entityId", type: "int" },
-        { name: "entityStatus", type: "byte" }
-      ]},
-      attach_entity:      {id: 0x1b, fields: [
-        { name: "entityId", type: "int" },
-        { name: "vehicleId", type: "int" },
-        { name: "leash", type: "bool" }
-      ]},
-      entity_metadata:    {id: 0x1c, fields: [
-        { name: "entityId", type: "varint" },
-        { name: "metadata", type: "entityMetadata" }
-      ]},
-      entity_effect:      {id: 0x1d, fields: [
-        { name: "entityId", type: "varint" },
-        { name: "effectId", type: "byte" },
-        { name: "amplifier", type: "byte" },
-        { name: "duration", type: "varint" },
-        { name: "hideParticles", type: "bool" }
-      ]},
-      remove_entity_effect: {id: 0x1e, fields: [
-        { name: "entityId", type: "varint" },
-        { name: "effectId", type: "byte" }
-      ]},
-      experience:     {id: 0x1f, fields: [
-        { name: "experienceBar", type: "float" },
-        { name: "level", type: "varint" },
-        { name: "totalExperience", type: "varint" }
-      ]},
-      update_attributes:  {id: 0x20, fields: [
-        { name: "entityId", type: "varint" },
-        { name: "count", type: "count", typeArgs: { type: "int", countFor: "properties" } },
-        { name: "properties", type: "array", typeArgs: { count: "count",
-          type: "container", typeArgs: { fields: [
-            { name: "key", type: "string" },
-            { name: "value", type: "double" },
-            { name: "listLength", type: "count", typeArgs: { type: "varint", countFor: "this.modifiers" } },
-            { name: "modifiers", type: "array", typeArgs: { count: "this.listLength",
-              type: "container", typeArgs: { fields: [
-                { name: "UUID", type: "UUID" },
-                { name: "amount", type: "double" },
-                { name: "operation", type: "byte" }
-              ]}}}
-          ]}
-        }}
-      ]},
-      map_chunk:         {id: 0x21, fields: [
-        { name: "x", type: "int" },
-        { name: "z", type: "int" },
-        { name: "groundUp", type: "bool" },
-        { name: "bitMap", type: "ushort" },
-        { name: "chunkDataLength", type: "count", typeArgs: { type: "varint", countFor: "chunkData" } },
-        { name: "chunkData", type: "buffer", typeArgs: { count: "chunkDataLength" } },
-      ]},
-      multi_block_change: {id: 0x22, fields: [
-        { name: "chunkX", type: "int" },
-        { name: "chunkZ", type: "int" },
-        { name: "recordCount", type: "count", typeArgs: { type: "varint", countFor: "records" } },
-        { name: "records", type: "array", typeArgs: { count: "recordCount", type: "container", typeArgs: { fields: [
-            { name: "horizontalPos", type: "ubyte" },
-            { name: "y", type: "ubyte" },
-            { name: "blockId", type: "varint" }
-        ]}}}
-      ]},
-      block_change:       {id: 0x23, fields: [
-        { name: "location", type: "position" },
-        { name: "type", type: "varint" },
-      ]},
-      block_action:       {id: 0x24, fields: [
-        { name: "location", type: "position" },
-        { name: "byte1", type: "ubyte" },
-        { name: "byte2", type: "ubyte" },
-        { name: "blockId", type: "varint" }
-      ]},
-      block_break_animation:   {id: 0x25, fields: [
-        { name: "entityId", type: "varint" },
-        { name: "location", type: "position" },
-        { name: "destroyStage", type: "byte" }
-      ]},
-      map_chunk_bulk: {id: 0x26, fields: [
-        { name: "skyLightSent", type: "bool" },
-        { name: "chunkColumnCount", type: "count", typeArgs: { type: "varint", countFor: "meta" } },
-        { name: "meta", type: "array", typeArgs: { count: "chunkColumnCount", type: "container", typeArgs: { fields: [
-            { name: "x", type: "int" },
-            { name: "z", type: "int" },
-            { name: "bitMap", type: "ushort" },
-        ]}}},
-        { name: "data", type: "restBuffer" }
-      ]},
-      explosion: {id: 0x27, fields: [
-        { name: "x", type: "float" },
-        { name: "y", type: "float" },
-        { name: "z", type: "float" },
-        { name: "radius", type: "float" },
-        { name: "count", type: "count", typeArgs: { type: "int", countFor: "affectedBlockOffsets" } },
-        { name: "affectedBlockOffsets", type: "array", typeArgs: { count: "count", type: "container", typeArgs: {
-          fields: [
-            { name: "x", type: "byte" },
-            { name: "y", type: "byte" },
-            { name: "z", type: "byte" }
-          ]
-        }}},
-        { name: "playerMotionX", type: "float" },
-        { name: "playerMotionY", type: "float" },
-        { name: "playerMotionZ", type: "float" }
-      ]},
-      world_event:             {id: 0x28, fields: [ // TODO : kinda wtf naming there
-        { name: "effectId", type: "int" },
-        { name: "location", type: "position" },
-        { name: "data", type: "int" },
-        { name: "global", type: "bool" }
-      ]},
-      named_sound_effect:       {id: 0x29, fields: [
-        { name: "soundName", type: "string" },
-        { name: "x", type: "int" },
-        { name: "y", type: "int" },
-        { name: "z", type: "int" },
-        { name: "volume", type: "float" },
-        { name: "pitch", type: "ubyte" }
-      ]},
-      world_particles:           {id: 0x2a, fields: [
-        { name: "particleId", type: "int" },
-        { name: "longDistance", type: "bool"},
-        { name: "x", type: "float" },
-        { name: "y", type: "float" },
-        { name: "z", type: "float" },
-        { name: "offsetX", type: "float" },
-        { name: "offsetY", type: "float" },
-        { name: "offsetZ", type: "float" },
-        { name: "particleData", type: "float" },
-        { name: "particles", type: "int" },
-        { name: "data", type: "array", typeArgs: { count: function(fields) {
-          if (fields.particleId === 36)
-            return 2;
-          else if (fields.particleId === 37 || fields.particleId === 38)
-            return 1;
-          else
-            return 0;
-        }, type: "varint" } }
-      ]},
-      game_state_change:  {id: 0x2b, fields: [
-        { name: "reason", type: "ubyte" },
-        { name: "gameMode", type: "float" }
-      ]},
-      spawn_entity_weather:{id: 0x2c, fields: [
-        { name: "entityId", type: "varint" },
-        { name: "type", type: "byte" },
-        { name: "x", type: "int" },
-        { name: "y", type: "int" },
-        { name: "z", type: "int" }
-      ]},
-      open_window:        {id: 0x2d, fields: [
-        { name: "windowId", type: "ubyte" },
-        { name: "inventoryType", type: "string" },
-        { name: "windowTitle", type: "string" },
-        { name: "slotCount", type: "ubyte" },
-        { name: "entityId", type: "int", condition: function(field_values) {
-          return field_values['inventoryType'] == 11;
-        } }
-      ]},
-      close_window:       {id: 0x2e, fields: [
-        { name: "windowId", type: "ubyte" }
-      ]},
-      set_slot:           {id: 0x2f, fields: [
-        { name: "windowId", type: "byte" },
-        { name: "slot", type: "short" },
-        { name: "item", type: "slot" }
-      ]},
-      window_items:       {id: 0x30, fields: [
-        { name: "windowId", type: "ubyte" },
-        { name: "count", type: "count", typeArgs: { type: "short", countFor: "items" } },
-        { name: "items", type: "array", typeArgs: { type: "slot", count: "count" } }
-      ]},
-      craft_progress_bar:    {id: 0x31, fields: [ /* TODO: Bad name for this packet imo */
-        { name: "windowId", type: "ubyte" },
-        { name: "property", type: "short" },
-        { name: "value", type: "short" }
-      ]},
-      transaction:{id: 0x32, fields: [
-        { name: "windowId", type: "byte" },
-        { name: "action", type: "short" },
-        { name: "accepted", type: "bool" }
-      ]},
-      update_sign:        {id: 0x33, fields: [
-        { name: "location", type: "position" },
-        { name: "text1", type: "string" },
-        { name: "text2", type: "string" },
-        { name: "text3", type: "string" },
-        { name: "text4", type: "string" }
-      ]},
-      map: {id: 0x34, fields: [
-        { name: "itemDamage", type: "varint" },
-        { name: "scale", type: "byte" },
-        { name: "iconLength", type: "count", typeArgs: { type: "varint", countFor: "icons" } },
-        { name: "icons", type: "array", typeArgs: { count: "iconLength", type: "container", typeArgs: { fields: [
-            { name: "directionAndType", type: "byte" }, // Yeah... that will do
-            { name: "x", type: "byte" },
-            { name: "y", type: "byte" }
-        ]}}},
-        { name: "columns", type: "byte" },
-        { name: "rows", type: "byte", condition: function(field_values) {
-            return field_values["columns"] !== 0;
-        }},
-        { name: "x", type: "byte", condition: function(field_values) {
-            return field_values["columns"] !== 0;
-        }},
-        { name: "y", type: "byte", condition: function(field_values) {
-            return field_values["columns"] !== 0;
-        }},
-        { name: "dataLength", type: "count", typeArgs: { countFor: "data", type: "varint" }, condition: function(field_values) {
-            return field_values["columns"] !== 0;
-        }},
-        { name: "data", type: "buffer", typeArgs: { count: "dataLength" }, condition: function(field_values) {
-            return field_values["columns"] !== 0;
-        }},
-      ]},
-      tile_entity_data:{id: 0x35, fields: [
-        { name: "location", type: "position" },
-        { name: "action", type: "ubyte" },
-        { name: "nbtData", type: "restBuffer" }
-      ]},
-      open_sign_entity:   {id: 0x36, fields: [
-        { name: "location", type: "position" },
-      ]},
-      statistics:         {id: 0x37, fields: [
-        { name: "count", type: "count", typeArgs: { type: "varint", countFor: "entries" } },
-        { name: "entries", type: "array", typeArgs: { count: "count",
-          type: "container", typeArgs: { fields: [
-            { name: "name", type: "string" },
-            { name: "value", type: "varint" }
-          ]}
-        }}
-      ]},
-      player_info: {id: 0x38, fields: [
-        { name: "action", type: "varint" },
-        { name: "length", type: "count", typeArgs: { type: "varint", countFor: "data" }},
-        { name: "data", type: "array", typeArgs: { count: "length", type: "container", typeArgs: { fields: [
-            { name: "UUID", type: "UUID" },
-            { name: "name", type: "string", condition: function(field_values) {
-                return field_values["action"] === 0;
-            }},
-            { name: "propertiesLength", type: "count", condition: function(field_values) {
-                return field_values["action"] === 0;
-            }, typeArgs: { countFor: "this.properties", type: "varint" }},
-            { name: "properties", type: "array", condition: function(field_values) {
-                return field_values["action"] === 0;
-            }, typeArgs: { count: "this.propertiesLength", type: "container", typeArgs: { fields: [
-                { name: "name", type: "string" },
-                { name: "value", type: "ustring" },
-                { name: "isSigned", type: "bool" },
-                { name: "signature", type: "ustring", condition: function(field_values) {
-                    return field_values["this"]["isSigned"];
-            }}
-        ]}}},
-        { name: "gamemode", type: "varint", condition: function(field_values) {
-            return field_values["action"] === 0 || field_values["action"] === 1;
-        }},
-        { name: "ping", type: "varint", condition: function(field_values) {
-            return field_values["action"] === 0 || field_values["action"] === 2;
-        }},
-        { name: "hasDisplayName", type: "bool", condition: function(field_values) {
-            return field_values["action"] === 0 || field_values["action"] === 3;
-        }},
-        { name: "displayName", type: "string", condition: function(field_values) {
-            return field_values["hasDisplayName"]; // Returns false if there is no value "hasDisplayName"
-        }}
-        ]}}}
-      ]},
-      abilities:   {id: 0x39, fields: [
-        { name: "flags", type: "byte" },
-        { name: "flyingSpeed", type: "float" },
-        { name: "walkingSpeed", type: "float" }
-      ]},
-      tab_complete:       {id: 0x3a, fields: [
-        { name: "count", type: "count", typeArgs: { type: "varint", countFor: "matches" } },
-        { name: "matches", type: "array", typeArgs: { type: "string", count: "count" } }
-      ]},
-      scoreboard_objective: {id: 0x3b, fields: [
-        { name: "name", type: "string" },
-        { name: "action", type: "byte" },
-        { name: "displayText", type: "string", condition: function(field_values) {
-          return field_values["action"] == 0 || field_values["action"] == 2;
-        }},
-        { name: "type", type: "string", condition: function(field_values) {
-          return field_values["action"] == 0 || field_values["action"] == 2;
-        }}
-      ]},
-      scoreboard_score:       {id: 0x3c, fields: [ /* TODO: itemName and scoreName may need to be switched */
-        { name: "itemName", type: "string" },
-        { name: "action", type: "byte" },
-        { name: "scoreName", type: "string" },
-        { name: "value", type: "varint", condition: function(field_values) {
-          return field_values['action'] != 1;
-        } }
-      ]},
-      scoreboard_display_objective: {id: 0x3d, fields: [
-        { name: "position", type: "byte" },
-        { name: "name", type: "string" }
-      ]},
-      scoreboard_team:              {id: 0x3e, fields: [
-        { name: "team", type: "string" },
-        { name: "mode", type: "byte" },
-        { name: "name", type: "string", condition: function(field_values) {
-            return field_values['mode'] == 0 || field_values['mode'] == 2;
-        } },
-        { name: "prefix", type: "string", condition: function(field_values) {
-          return field_values['mode'] == 0 || field_values['mode'] == 2;
-        } },
-        { name: "suffix", type: "string", condition: function(field_values) {
-          return field_values['mode'] == 0 || field_values['mode'] == 2;
-        } },
-        { name: "friendlyFire", type: "byte", condition: function(field_values) {
-          return field_values['mode'] == 0 || field_values['mode'] == 2;
-        } },
-        { name: "nameTagVisibility", type: "string", condition: function(field_values) {
-          return field_values['mode'] == 0 || field_values['mode'] == 2;
-        } },
-        { name: "color", type: "byte", condition: function(field_values) {
-          return field_values['mode'] == 0 || field_values['mode'] == 2;
-        } },
-        { name: "playerCount", type: "count", condition: function(field_values) {
-          return field_values['mode'] == 0 || field_values['mode'] == 3 || field_values['mode'] == 4;
-        }, typeArgs: { type: "short", countFor: "players" } },
-        { name: "players", type: "array", condition: function(field_values) {
-          return field_values['mode'] == 0 || field_values['mode'] == 3 || field_values['mode'] == 4;
-        }, typeArgs: { type: "string", count: "playerCount" } }
-      ]},
-      custom_payload:     {id: 0x3f, fields: [
-        { name: "channel", type: "string" },
-        { name: "data", type: "restBuffer" }
-      ]},
-      kick_disconnect:         {id: 0x40, fields: [
-        { name: "reason", type: "string" }
-      ]},
-      difficulty: { id: 0x41, fields: [
-        { name: "difficulty", type: "ubyte" }
-      ]},
-      combat_event: { id: 0x42, fields: [
-        { name: "event", type: "varint"},
-        { name: "duration", type: "varint", condition: function(field_values) {
-            return field_values['event'] == 1;
-        } },
-        { name: "playerId", type: "varint", condition: function(field_values) {
-            return field_values['event'] == 2;
-        } },
-        { name: "entityId", type: "int", condition: function(field_values) {
-            return field_values['event'] == 1 || field_values['event'] == 2;
-        } },
-        { name: "message", type: "string", condition: function(field_values) {
-            return field_values['event'] == 2;
-        } }
-      ]},
-      camera: { id: 0x43, fields: [
-        { name: "cameraId", type: "varint" }
-      ]},
-      world_border: { id: 0x44, fields: [
-        { name: "action", type: "varint"},
-        { name: "radius", type: "double", condition: function(field_values) {
-            return field_values['action'] == 0;
-        } },
-        { name: "x", type: "double", condition: function(field_values) {
-            return field_values['action'] == 2 || field_values['action'] == 3;
-        } },
-        { name: "z", type: "double", condition: function(field_values) {
-            return field_values['action'] == 2 || field_values['action'] == 3;
-        } },
-        { name: "old_radius", type: "double", condition: function(field_values) {
-            return field_values['action'] == 1 || field_values['action'] == 3;
-        } },
-        { name: "new_radius", type: "double", condition: function(field_values) {
-            return field_values['action'] == 1 || field_values['action'] == 3;
-        } },
-        { name: "speed", type: "varint", condition: function(field_values) {
-            return field_values['action'] == 1 || field_values['action'] == 3;
-        } },
-        { name: "portalBoundary", type: "varint", condition: function(field_values) {
-            return field_values['action'] == 3;
-        } },
-        { name: "warning_time", type: "varint", condition: function(field_values) {
-            return field_values['action'] == 4 || field_values['action'] == 3;
-        } },
-        { name: "warning_blocks", type: "varint", condition: function(field_values) {
-            return field_values['action'] == 5 || field_values['action'] == 3;
-        } }
-      ]},
-      title: { id: 0x45, fields: [
-        { name: "action", type: "varint"},
-        { name: "text", type: "string", condition: function(field_values) {
-            return field_values['action'] == 0 || field_values['action'] == 1;
-        } },
-        { name: "fadeIn", type: "int", condition: function(field_values) {
-            return field_values['action'] == 2;
-        } },
-        { name: "stay", type: "int", condition: function(field_values) {
-            return field_values['action'] == 2;
-        } },
-        { name: "fadeOut", type: "int", condition: function(field_values) {
-            return field_values['action'] == 2;
-        } }
-      ]},
-      set_compression: { id: 0x46, fields: [
-        { name: "threshold", type: "varint"}
-      ]},
-      playerlist_header: { id: 0x47, fields: [
-        { name: "header", type: "string" },
-        { name: "footer", type: "string" }
-      ]},
-      resource_pack_send: { id: 0x48, fields: [
-        { name: "url", type: "string" },
-        { name: "hash", type: "string" }
-      ]},
-      update_entity_nbt: { id: 0x49, fields: [
-        { name: "entityId", type: "varint" },
-        { name: "tag", type: "restBuffer"}
-      ]}
-    },
-    toServer: {
-      keep_alive:         {id: 0x00, fields: [
-        { name: "keepAliveId", type: "varint" }
-      ]},
-      chat:       {id: 0x01, fields: [
-        { name: "message", type: "string" }
-      ]},
-      use_entity:         {id: 0x02, fields: [
-        { name: "target", type: "varint" },
-        { name: "mouse", type: "varint" },
-        { name: "x", type: "float", condition: function(field_values) {
-          return field_values["mouse"] == 2;
-        }},
-        { name: "y", type: "float", condition: function(field_values) {
-          return field_values["mouse"] == 2;
-        }},
-        { name: "z", type: "float", condition: function(field_values) {
-          return field_values["mouse"] == 2;
-        }},
-      ]},
-      flying:             {id: 0x03, fields: [
-        { name: "onGround", type: "bool" }
-      ]},
-      position:    {id: 0x04, fields: [
-        { name: "x", type: "double" },
-        { name: "y", type: "double" },
-        { name: "z", type: "double" },
-        { name: "onGround", type: "bool" }
-      ]},
-      look:        {id: 0x05, fields: [
-        { name: "yaw", type: "float" },
-        { name: "pitch", type: "float" },
-        { name: "onGround", type: "bool" }
-      ]},
-      position_look: {id: 0x06, fields: [
-        { name: "x", type: "double" },
-        { name: "y", type: "double" },
-        { name: "z", type: "double" },
-        { name: "yaw", type: "float" },
-        { name: "pitch", type: "float" },
-        { name: "onGround", type: "bool" }
-      ]},
-      block_dig:     {id: 0x07, fields: [
-        { name: "status", type: "byte" },
-        { name: "location", type: "position"},
-        { name: "face", type: "byte" }
-      ]},
-      block_place: {id: 0x08, fields: [
-        { name: "location", type: "position" },
-        { name: "direction", type: "byte" },
-        { name: "heldItem", type: "slot" },
-        { name: "cursorX", type: "byte" },
-        { name: "cursorY", type: "byte" },
-        { name: "cursorZ", type: "byte" }
-      ]},
-      held_item_slot:   {id: 0x09, fields: [
-        { name: "slotId", type: "short" }
-      ]},
-      arm_animation:          {id: 0x0a, fields: []},
-      entity_action:      {id: 0x0b, fields: [
-        { name: "entityId", type: "varint" },
-        { name: "actionId", type: "varint" },
-        { name: "jumpBoost", type: "varint" }
-      ]},
-      steer_vehicle:      {id: 0x0c, fields: [
-        { name: "sideways", type: "float" },
-        { name: "forward", type: "float" },
-        { name: "jump", type: "ubyte" }
-      ]},
-      close_window:       {id: 0x0d, fields: [
-        { name: "windowId", type: "byte" }
-      ]},
-      window_click:       {id: 0x0e, fields: [
-        { name: "windowId", type: "byte" },
-        { name: "slot", type: "short" },
-        { name: "mouseButton", type: "byte" },
-        { name: "action", type: "short" },
-        { name: "mode", type: "byte" },
-        { name: "item", type: "slot" }
-      ]},
-      transaction: {id: 0x0f, fields: [
-        { name: "windowId", type: "byte" },
-        { name: "action", type: "short" },
-        { name: "accepted", type: "bool" }
-      ]},
-      set_creative_slot: {id: 0x10, fields: [
-        { name: "slot", type: "short" },
-        { name: "item", type: "slot" }
-      ]},
-      enchant_item:       {id: 0x11, fields: [
-        { name: "windowId", type: "byte" },
-        { name: "enchantment", type: "byte" }
-      ]},
-      update_sign:        {id: 0x12, fields: [
-        { name: "location", type: "position" },
-        { name: "text1", type: "string" },
-        { name: "text2", type: "string" },
-        { name: "text3", type: "string" },
-        { name: "text4", type: "string" }
-      ]},
-      abilities:   {id: 0x13, fields: [
-        { name: "flags", type: "byte" },
-        { name: "flyingSpeed", type: "float" },
-        { name: "walkingSpeed", type: "float" }
-      ]},
-      tab_complete:       {id: 0x14, fields: [
-        { name: "text", type: "string" },
-        { name: "hasPosition", type: "bool" },
-        { name: "block", type: "position", condition: function(field_values) {
-            return field_values['hasPosition'];
-        } }
-      ]},
-      settings:    {id: 0x15, fields: [
-        { name: "locale", type: "string" },
-        { name: "viewDistance", type: "byte" },
-        { name: "chatFlags", type: "byte" },
-        { name: "chatColors", type: "bool" },
-        { name: "skinParts", type: "ubyte" }
-      ]},
-      client_command:      {id: 0x16, fields: [
-        { name: "payload", type: "varint" }
-      ]},
-      custom_payload:     {id: 0x17, fields: [
-        { name: "channel", type: "string" }, /* TODO: wiki.vg sats no dataLength is needed? */
-        { name: "data", type: "restBuffer"}
-      ]},
-      spectate: { id: 0x18, fields: [
-        { name: "target", type: "UUID"}
-      ]},
-      resource_pack_receive: { id: 0x19, fields: [
-        { name: "hash", type: "string" },
-        { name: "result", type: "varint" }
-      ]}
-    }
-  }
-};
+var packets=require("./protocol_def.js");
 
 var packetFields = {};
 var packetNames = {};
diff --git a/src/protocol_def.js b/src/protocol_def.js
new file mode 100644
index 0000000..77fc139
--- /dev/null
+++ b/src/protocol_def.js
@@ -0,0 +1,787 @@
+module.exports= {
+    handshaking: {
+        toClient: {},
+        toServer: {
+            set_protocol:          {id: 0x00, fields: [
+                { name: "protocolVersion", type: "varint" },
+                { name: "serverHost", type: "string" },
+                { name: "serverPort", type: "ushort" },
+                { name: "nextState", type: "varint" }
+            ]}
+        },
+    },
+
+// TODO : protocollib names aren't the best around here
+    status: {
+        toClient: {
+            server_info:    {id: 0x00, fields: [
+                { name: "response", type: "ustring" }
+            ]},
+            ping:        {id: 0x01, fields: [
+                { name: "time", type: "long" }
+            ]}
+        },
+        toServer: {
+            ping_start:     {id: 0x00, fields: []},
+            ping:        {id: 0x01, fields: [
+                { name: "time", type: "long" }
+            ]}
+        }
+    },
+
+    login: {
+        toClient: {
+            disconnect:   {id: 0x00, fields: [
+                { name: "reason", type: "string" }
+            ]},
+            encryption_begin: {id: 0x01, fields: [
+                { name: "serverId", type: "string" },
+                { name: "publicKeyLength", type: "count", typeArgs: { type: "varint", countFor: "publicKey" } },
+                { name: "publicKey", type: "buffer", typeArgs: { count: "publicKeyLength" } },
+                { name: "verifyTokenLength", type: "count", typeArgs: { type: "varint", countFor: "verifyToken" } },
+                { name: "verifyToken", type: "buffer", typeArgs: { count: "verifyTokenLength" } },
+            ]},
+            success:      {id: 0x02, fields: [
+                { name: "uuid", type: "string" },
+                { name: "username", type: "string" }
+            ]},
+            compress: { id: 0x03, fields: [
+                { name: "threshold", type: "varint"}
+            ]}
+        },
+        toServer: {
+            login_start:        {id: 0x00, fields: [
+                { name: "username", type: "string" }
+            ]},
+            encryption_begin: {id: 0x01, fields: [
+                { name: "sharedSecretLength", type: "count", typeArgs: { type: "varint", countFor: "sharedSecret" } },
+                { name: "sharedSecret", type: "buffer", typeArgs: { count: "sharedSecretLength" } },
+                { name: "verifyTokenLength", type: "count", typeArgs: { type: "varint", countFor: "verifyToken" } },
+                { name: "verifyToken", type: "buffer", typeArgs: { count: "verifyTokenLength" } },
+            ]}
+        }
+    },
+
+    play: {
+        toClient: {
+            keep_alive:         {id: 0x00, fields: [
+                { name: "keepAliveId", type: "varint" },
+            ]},
+            login:          {id: 0x01, fields: [
+                { name: "entityId", type: "int" },
+                { name: "gameMode", type: "ubyte" },
+                { name: "dimension", type: "byte" },
+                { name: "difficulty", type: "ubyte" },
+                { name: "maxPlayers", type: "ubyte" },
+                { name: "levelType", type: "string" },
+                { name: "reducedDebugInfo", type: "bool"}
+            ]},
+            chat:               {id: 0x02, fields: [
+                { name: "message", type: "ustring" },
+                { name: "position", type: "byte" }
+            ]},
+            update_time:        {id: 0x03, fields: [
+                { name: "age", type: "long" },
+                { name: "time", type: "long" },
+            ]},
+            entity_equipment:   {id: 0x04, fields: [
+                { name: "entityId", type: "varint" },
+                { name: "slot", type: "short" },
+                { name: "item", type: "slot" }
+            ]},
+            spawn_position:     {id: 0x05, fields: [
+                { name: "location", type: "position" } /* TODO: Implement position */
+            ]},
+            update_health:      {id: 0x06, fields: [
+                { name: "health", type: "float" },
+                { name: "food", type: "varint" },
+                { name: "foodSaturation", type: "float" }
+            ]},
+            respawn:            {id: 0x07, fields: [
+                { name: "dimension", type: "int" },
+                { name: "difficulty", type: "ubyte" },
+                { name: "gamemode", type: "ubyte" },
+                { name: "levelType", type: "string" }
+            ]},
+            position:    {id: 0x08, fields: [
+                { name: "x", type: "double" },
+                { name: "y", type: "double" },
+                { name: "z", type: "double" },
+                { name: "yaw", type: "float" },
+                { name: "pitch", type: "float" },
+                { name: "flags", type: "byte" /* <Dinnerbone> It's a bitfield, X/Y/Z/Y_ROT/X_ROT. If X is set, the x value is relative and not absolute. */}
+            ]},
+            held_item_slot:   {id: 0x09, fields: [
+                { name: "slot", type: "byte" }
+            ]},
+            bed:            {id: 0x0a, fields: [
+                { name: "entityId", type: "varint" },
+                { name: "location", type: "position" }
+            ]},
+            animation:          {id: 0x0b, fields: [
+                { name: "entityId", type: "varint" },
+                { name: "animation", type: "ubyte" }
+            ]},
+            named_entity_spawn:       {id: 0x0c, fields: [
+                { name: "entityId", type: "varint" },
+                { name: "playerUUID", type: "UUID"},
+                { name: "x", type: "int" },
+                { name: "y", type: "int" },
+                { name: "z", type: "int" },
+                { name: "yaw", type: "byte" },
+                { name: "pitch", type: "byte" },
+                { name: "currentItem", type: "short" },
+                { name: "metadata", type: "entityMetadata" }
+            ]},
+            collect:       {id: 0x0d, fields: [
+                { name: "collectedEntityId", type: "varint" },
+                { name: "collectorEntityId", type: "varint" }
+            ]},
+            spawn_entity:       {id: 0x0e, fields: [
+                { name: "entityId", type: "varint" },
+                { name: "type", type: "byte" },
+                { name: "x", type: "int" },
+                { name: "y", type: "int" },
+                { name: "z", type: "int" },
+                { name: "pitch", type: "byte" },
+                { name: "yaw", type: "byte" },
+                { name: "objectData", type: "container", typeArgs: { fields: [
+                    { name: "intField", type: "int" },
+                    { name: "velocityX", type: "short", condition: function(field_values) {
+                        return field_values['this']['intField'] != 0;
+                    }},
+                    { name: "velocityY", type: "short", condition: function(field_values) {
+                        return field_values['this']['intField'] != 0;
+                    }},
+                    { name: "velocityZ", type: "short", condition: function(field_values) {
+                        return field_values['this']['intField'] != 0;
+                    }}
+                ]}}
+            ]},
+            spawn_entity_living:          {id: 0x0f, fields: [
+                { name: "entityId", type: "varint" },
+                { name: "type", type: "ubyte" },
+                { name: "x", type: "int" },
+                { name: "y", type: "int" },
+                { name: "z", type: "int" },
+                { name: "yaw", type: "byte" },
+                { name: "pitch", type: "byte" },
+                { name: "headPitch", type: "byte" },
+                { name: "velocityX", type: "short" },
+                { name: "velocityY", type: "short" },
+                { name: "velocityZ", type: "short" },
+                { name: "metadata", type: "entityMetadata" },
+            ]},
+            spawn_entity_painting:     {id: 0x10, fields: [
+                { name: "entityId", type: "varint" },
+                { name: "title", type: "string" },
+                { name: "location", type: "position" },
+                { name: "direction", type: "ubyte" }
+            ]},
+            spawn_entity_experience_orb: {id: 0x11, fields: [
+                { name: "entityId", type: "varint" },
+                { name: "x", type: "int" },
+                { name: "y", type: "int" },
+                { name: "z", type: "int" },
+                { name: "count", type: "short" }
+            ]},
+            entity_velocity:    {id: 0x12, fields: [
+                { name: "entityId", type: "varint" },
+                { name: "velocityX", type: "short" },
+                { name: "velocityY", type: "short" },
+                { name: "velocityZ", type: "short" }
+            ]},
+            entity_destroy:   {id: 0x13, fields: [
+                { name: "count", type: "count", typeArgs: { type: "varint", countFor: "entityIds" } },
+                { name: "entityIds", type: "array", typeArgs: { type: "varint", count: "count" } }
+            ]},
+            entity:             {id: 0x14, fields: [
+                { name: "entityId", type: "varint" }
+            ]},
+            rel_entity_move: {id: 0x15, fields: [
+                { name: "entityId", type: "varint" },
+                { name: "dX", type: "byte" },
+                { name: "dY", type: "byte" },
+                { name: "dZ", type: "byte" },
+                { name: "onGround", type: "bool"}
+            ]},
+            entity_look:        {id: 0x16, fields: [
+                { name: "entityId", type: "varint" },
+                { name: "yaw", type: "byte" },
+                { name: "pitch", type: "byte" },
+                { name: "onGround", type: "bool"}
+            ]},
+            entity_move_look: {id: 0x17, fields: [
+                { name: "entityId", type: "varint" },
+                { name: "dX", type: "byte" },
+                { name: "dY", type: "byte" },
+                { name: "dZ", type: "byte" },
+                { name: "yaw", type: "byte" },
+                { name: "pitch", type: "byte" },
+                { name: "onGround", type: "bool"}
+            ]},
+            entity_teleport:    {id: 0x18, fields: [
+                { name: "entityId", type: "varint" },
+                { name: "x", type: "int" },
+                { name: "y", type: "int" },
+                { name: "z", type: "int" },
+                { name: "yaw", type: "byte" },
+                { name: "pitch", type: "byte" },
+                { name: "onGround", type: "bool"}
+            ]},
+            entity_head_rotation:   {id: 0x19, fields: [
+                { name: "entityId", type: "varint" },
+                { name: "headYaw", type: "byte" },
+            ]},
+            entity_status:      {id: 0x1a, fields: [
+                { name: "entityId", type: "int" },
+                { name: "entityStatus", type: "byte" }
+            ]},
+            attach_entity:      {id: 0x1b, fields: [
+                { name: "entityId", type: "int" },
+                { name: "vehicleId", type: "int" },
+                { name: "leash", type: "bool" }
+            ]},
+            entity_metadata:    {id: 0x1c, fields: [
+                { name: "entityId", type: "varint" },
+                { name: "metadata", type: "entityMetadata" }
+            ]},
+            entity_effect:      {id: 0x1d, fields: [
+                { name: "entityId", type: "varint" },
+                { name: "effectId", type: "byte" },
+                { name: "amplifier", type: "byte" },
+                { name: "duration", type: "varint" },
+                { name: "hideParticles", type: "bool" }
+            ]},
+            remove_entity_effect: {id: 0x1e, fields: [
+                { name: "entityId", type: "varint" },
+                { name: "effectId", type: "byte" }
+            ]},
+            experience:     {id: 0x1f, fields: [
+                { name: "experienceBar", type: "float" },
+                { name: "level", type: "varint" },
+                { name: "totalExperience", type: "varint" }
+            ]},
+            update_attributes:  {id: 0x20, fields: [
+                { name: "entityId", type: "varint" },
+                { name: "count", type: "count", typeArgs: { type: "int", countFor: "properties" } },
+                { name: "properties", type: "array", typeArgs: { count: "count",
+                    type: "container", typeArgs: { fields: [
+                        { name: "key", type: "string" },
+                        { name: "value", type: "double" },
+                        { name: "listLength", type: "count", typeArgs: { type: "varint", countFor: "this.modifiers" } },
+                        { name: "modifiers", type: "array", typeArgs: { count: "this.listLength",
+                            type: "container", typeArgs: { fields: [
+                                { name: "UUID", type: "UUID" },
+                                { name: "amount", type: "double" },
+                                { name: "operation", type: "byte" }
+                            ]}}}
+                    ]}
+                }}
+            ]},
+            map_chunk:         {id: 0x21, fields: [
+                { name: "x", type: "int" },
+                { name: "z", type: "int" },
+                { name: "groundUp", type: "bool" },
+                { name: "bitMap", type: "ushort" },
+                { name: "chunkDataLength", type: "count", typeArgs: { type: "varint", countFor: "chunkData" } },
+                { name: "chunkData", type: "buffer", typeArgs: { count: "chunkDataLength" } },
+            ]},
+            multi_block_change: {id: 0x22, fields: [
+                { name: "chunkX", type: "int" },
+                { name: "chunkZ", type: "int" },
+                { name: "recordCount", type: "count", typeArgs: { type: "varint", countFor: "records" } },
+                { name: "records", type: "array", typeArgs: { count: "recordCount", type: "container", typeArgs: { fields: [
+                    { name: "horizontalPos", type: "ubyte" },
+                    { name: "y", type: "ubyte" },
+                    { name: "blockId", type: "varint" }
+                ]}}}
+            ]},
+            block_change:       {id: 0x23, fields: [
+                { name: "location", type: "position" },
+                { name: "type", type: "varint" },
+            ]},
+            block_action:       {id: 0x24, fields: [
+                { name: "location", type: "position" },
+                { name: "byte1", type: "ubyte" },
+                { name: "byte2", type: "ubyte" },
+                { name: "blockId", type: "varint" }
+            ]},
+            block_break_animation:   {id: 0x25, fields: [
+                { name: "entityId", type: "varint" },
+                { name: "location", type: "position" },
+                { name: "destroyStage", type: "byte" }
+            ]},
+            map_chunk_bulk: {id: 0x26, fields: [
+                { name: "skyLightSent", type: "bool" },
+                { name: "chunkColumnCount", type: "count", typeArgs: { type: "varint", countFor: "meta" } },
+                { name: "meta", type: "array", typeArgs: { count: "chunkColumnCount", type: "container", typeArgs: { fields: [
+                    { name: "x", type: "int" },
+                    { name: "z", type: "int" },
+                    { name: "bitMap", type: "ushort" },
+                ]}}},
+                { name: "data", type: "restBuffer" }
+            ]},
+            explosion: {id: 0x27, fields: [
+                { name: "x", type: "float" },
+                { name: "y", type: "float" },
+                { name: "z", type: "float" },
+                { name: "radius", type: "float" },
+                { name: "count", type: "count", typeArgs: { type: "int", countFor: "affectedBlockOffsets" } },
+                { name: "affectedBlockOffsets", type: "array", typeArgs: { count: "count", type: "container", typeArgs: {
+                    fields: [
+                        { name: "x", type: "byte" },
+                        { name: "y", type: "byte" },
+                        { name: "z", type: "byte" }
+                    ]
+                }}},
+                { name: "playerMotionX", type: "float" },
+                { name: "playerMotionY", type: "float" },
+                { name: "playerMotionZ", type: "float" }
+            ]},
+            world_event:             {id: 0x28, fields: [ // TODO : kinda wtf naming there
+                { name: "effectId", type: "int" },
+                { name: "location", type: "position" },
+                { name: "data", type: "int" },
+                { name: "global", type: "bool" }
+            ]},
+            named_sound_effect:       {id: 0x29, fields: [
+                { name: "soundName", type: "string" },
+                { name: "x", type: "int" },
+                { name: "y", type: "int" },
+                { name: "z", type: "int" },
+                { name: "volume", type: "float" },
+                { name: "pitch", type: "ubyte" }
+            ]},
+            world_particles:           {id: 0x2a, fields: [
+                { name: "particleId", type: "int" },
+                { name: "longDistance", type: "bool"},
+                { name: "x", type: "float" },
+                { name: "y", type: "float" },
+                { name: "z", type: "float" },
+                { name: "offsetX", type: "float" },
+                { name: "offsetY", type: "float" },
+                { name: "offsetZ", type: "float" },
+                { name: "particleData", type: "float" },
+                { name: "particles", type: "int" },
+                { name: "data", type: "array", typeArgs: { count: function(fields) {
+                    if (fields.particleId === 36)
+                        return 2;
+                    else if (fields.particleId === 37 || fields.particleId === 38)
+                        return 1;
+                    else
+                        return 0;
+                }, type: "varint" } }
+            ]},
+            game_state_change:  {id: 0x2b, fields: [
+                { name: "reason", type: "ubyte" },
+                { name: "gameMode", type: "float" }
+            ]},
+            spawn_entity_weather:{id: 0x2c, fields: [
+                { name: "entityId", type: "varint" },
+                { name: "type", type: "byte" },
+                { name: "x", type: "int" },
+                { name: "y", type: "int" },
+                { name: "z", type: "int" }
+            ]},
+            open_window:        {id: 0x2d, fields: [
+                { name: "windowId", type: "ubyte" },
+                { name: "inventoryType", type: "string" },
+                { name: "windowTitle", type: "string" },
+                { name: "slotCount", type: "ubyte" },
+                { name: "entityId", type: "int", condition: function(field_values) {
+                    return field_values['inventoryType'] == 11;
+                } }
+            ]},
+            close_window:       {id: 0x2e, fields: [
+                { name: "windowId", type: "ubyte" }
+            ]},
+            set_slot:           {id: 0x2f, fields: [
+                { name: "windowId", type: "byte" },
+                { name: "slot", type: "short" },
+                { name: "item", type: "slot" }
+            ]},
+            window_items:       {id: 0x30, fields: [
+                { name: "windowId", type: "ubyte" },
+                { name: "count", type: "count", typeArgs: { type: "short", countFor: "items" } },
+                { name: "items", type: "array", typeArgs: { type: "slot", count: "count" } }
+            ]},
+            craft_progress_bar:    {id: 0x31, fields: [ /* TODO: Bad name for this packet imo */
+                { name: "windowId", type: "ubyte" },
+                { name: "property", type: "short" },
+                { name: "value", type: "short" }
+            ]},
+            transaction:{id: 0x32, fields: [
+                { name: "windowId", type: "byte" },
+                { name: "action", type: "short" },
+                { name: "accepted", type: "bool" }
+            ]},
+            update_sign:        {id: 0x33, fields: [
+                { name: "location", type: "position" },
+                { name: "text1", type: "string" },
+                { name: "text2", type: "string" },
+                { name: "text3", type: "string" },
+                { name: "text4", type: "string" }
+            ]},
+            map: {id: 0x34, fields: [
+                { name: "itemDamage", type: "varint" },
+                { name: "scale", type: "byte" },
+                { name: "iconLength", type: "count", typeArgs: { type: "varint", countFor: "icons" } },
+                { name: "icons", type: "array", typeArgs: { count: "iconLength", type: "container", typeArgs: { fields: [
+                    { name: "directionAndType", type: "byte" }, // Yeah... that will do
+                    { name: "x", type: "byte" },
+                    { name: "y", type: "byte" }
+                ]}}},
+                { name: "columns", type: "byte" },
+                { name: "rows", type: "byte", condition: function(field_values) {
+                    return field_values["columns"] !== 0;
+                }},
+                { name: "x", type: "byte", condition: function(field_values) {
+                    return field_values["columns"] !== 0;
+                }},
+                { name: "y", type: "byte", condition: function(field_values) {
+                    return field_values["columns"] !== 0;
+                }},
+                { name: "dataLength", type: "count", typeArgs: { countFor: "data", type: "varint" }, condition: function(field_values) {
+                    return field_values["columns"] !== 0;
+                }},
+                { name: "data", type: "buffer", typeArgs: { count: "dataLength" }, condition: function(field_values) {
+                    return field_values["columns"] !== 0;
+                }},
+            ]},
+            tile_entity_data:{id: 0x35, fields: [
+                { name: "location", type: "position" },
+                { name: "action", type: "ubyte" },
+                { name: "nbtData", type: "restBuffer" }
+            ]},
+            open_sign_entity:   {id: 0x36, fields: [
+                { name: "location", type: "position" },
+            ]},
+            statistics:         {id: 0x37, fields: [
+                { name: "count", type: "count", typeArgs: { type: "varint", countFor: "entries" } },
+                { name: "entries", type: "array", typeArgs: { count: "count",
+                    type: "container", typeArgs: { fields: [
+                        { name: "name", type: "string" },
+                        { name: "value", type: "varint" }
+                    ]}
+                }}
+            ]},
+            player_info: {id: 0x38, fields: [
+                { name: "action", type: "varint" },
+                { name: "length", type: "count", typeArgs: { type: "varint", countFor: "data" }},
+                { name: "data", type: "array", typeArgs: { count: "length", type: "container", typeArgs: { fields: [
+                    { name: "UUID", type: "UUID" },
+                    { name: "name", type: "string", condition: function(field_values) {
+                        return field_values["action"] === 0;
+                    }},
+                    { name: "propertiesLength", type: "count", condition: function(field_values) {
+                        return field_values["action"] === 0;
+                    }, typeArgs: { countFor: "this.properties", type: "varint" }},
+                    { name: "properties", type: "array", condition: function(field_values) {
+                        return field_values["action"] === 0;
+                    }, typeArgs: { count: "this.propertiesLength", type: "container", typeArgs: { fields: [
+                        { name: "name", type: "string" },
+                        { name: "value", type: "ustring" },
+                        { name: "isSigned", type: "bool" },
+                        { name: "signature", type: "ustring", condition: function(field_values) {
+                            return field_values["this"]["isSigned"];
+                        }}
+                    ]}}},
+                    { name: "gamemode", type: "varint", condition: function(field_values) {
+                        return field_values["action"] === 0 || field_values["action"] === 1;
+                    }},
+                    { name: "ping", type: "varint", condition: function(field_values) {
+                        return field_values["action"] === 0 || field_values["action"] === 2;
+                    }},
+                    { name: "hasDisplayName", type: "bool", condition: function(field_values) {
+                        return field_values["action"] === 0 || field_values["action"] === 3;
+                    }},
+                    { name: "displayName", type: "string", condition: function(field_values) {
+                        return field_values["hasDisplayName"]; // Returns false if there is no value "hasDisplayName"
+                    }}
+                ]}}}
+            ]},
+            abilities:   {id: 0x39, fields: [
+                { name: "flags", type: "byte" },
+                { name: "flyingSpeed", type: "float" },
+                { name: "walkingSpeed", type: "float" }
+            ]},
+            tab_complete:       {id: 0x3a, fields: [
+                { name: "count", type: "count", typeArgs: { type: "varint", countFor: "matches" } },
+                { name: "matches", type: "array", typeArgs: { type: "string", count: "count" } }
+            ]},
+            scoreboard_objective: {id: 0x3b, fields: [
+                { name: "name", type: "string" },
+                { name: "action", type: "byte" },
+                { name: "displayText", type: "string", condition: function(field_values) {
+                    return field_values["action"] == 0 || field_values["action"] == 2;
+                }},
+                { name: "type", type: "string", condition: function(field_values) {
+                    return field_values["action"] == 0 || field_values["action"] == 2;
+                }}
+            ]},
+            scoreboard_score:       {id: 0x3c, fields: [ /* TODO: itemName and scoreName may need to be switched */
+                { name: "itemName", type: "string" },
+                { name: "action", type: "byte" },
+                { name: "scoreName", type: "string" },
+                { name: "value", type: "varint", condition: function(field_values) {
+                    return field_values['action'] != 1;
+                } }
+            ]},
+            scoreboard_display_objective: {id: 0x3d, fields: [
+                { name: "position", type: "byte" },
+                { name: "name", type: "string" }
+            ]},
+            scoreboard_team:              {id: 0x3e, fields: [
+                { name: "team", type: "string" },
+                { name: "mode", type: "byte" },
+                { name: "name", type: "string", condition: function(field_values) {
+                    return field_values['mode'] == 0 || field_values['mode'] == 2;
+                } },
+                { name: "prefix", type: "string", condition: function(field_values) {
+                    return field_values['mode'] == 0 || field_values['mode'] == 2;
+                } },
+                { name: "suffix", type: "string", condition: function(field_values) {
+                    return field_values['mode'] == 0 || field_values['mode'] == 2;
+                } },
+                { name: "friendlyFire", type: "byte", condition: function(field_values) {
+                    return field_values['mode'] == 0 || field_values['mode'] == 2;
+                } },
+                { name: "nameTagVisibility", type: "string", condition: function(field_values) {
+                    return field_values['mode'] == 0 || field_values['mode'] == 2;
+                } },
+                { name: "color", type: "byte", condition: function(field_values) {
+                    return field_values['mode'] == 0 || field_values['mode'] == 2;
+                } },
+                { name: "playerCount", type: "count", condition: function(field_values) {
+                    return field_values['mode'] == 0 || field_values['mode'] == 3 || field_values['mode'] == 4;
+                }, typeArgs: { type: "short", countFor: "players" } },
+                { name: "players", type: "array", condition: function(field_values) {
+                    return field_values['mode'] == 0 || field_values['mode'] == 3 || field_values['mode'] == 4;
+                }, typeArgs: { type: "string", count: "playerCount" } }
+            ]},
+            custom_payload:     {id: 0x3f, fields: [
+                { name: "channel", type: "string" },
+                { name: "data", type: "restBuffer" }
+            ]},
+            kick_disconnect:         {id: 0x40, fields: [
+                { name: "reason", type: "string" }
+            ]},
+            difficulty: { id: 0x41, fields: [
+                { name: "difficulty", type: "ubyte" }
+            ]},
+            combat_event: { id: 0x42, fields: [
+                { name: "event", type: "varint"},
+                { name: "duration", type: "varint", condition: function(field_values) {
+                    return field_values['event'] == 1;
+                } },
+                { name: "playerId", type: "varint", condition: function(field_values) {
+                    return field_values['event'] == 2;
+                } },
+                { name: "entityId", type: "int", condition: function(field_values) {
+                    return field_values['event'] == 1 || field_values['event'] == 2;
+                } },
+                { name: "message", type: "string", condition: function(field_values) {
+                    return field_values['event'] == 2;
+                } }
+            ]},
+            camera: { id: 0x43, fields: [
+                { name: "cameraId", type: "varint" }
+            ]},
+            world_border: { id: 0x44, fields: [
+                { name: "action", type: "varint"},
+                { name: "radius", type: "double", condition: function(field_values) {
+                    return field_values['action'] == 0;
+                } },
+                { name: "x", type: "double", condition: function(field_values) {
+                    return field_values['action'] == 2 || field_values['action'] == 3;
+                } },
+                { name: "z", type: "double", condition: function(field_values) {
+                    return field_values['action'] == 2 || field_values['action'] == 3;
+                } },
+                { name: "old_radius", type: "double", condition: function(field_values) {
+                    return field_values['action'] == 1 || field_values['action'] == 3;
+                } },
+                { name: "new_radius", type: "double", condition: function(field_values) {
+                    return field_values['action'] == 1 || field_values['action'] == 3;
+                } },
+                { name: "speed", type: "varint", condition: function(field_values) {
+                    return field_values['action'] == 1 || field_values['action'] == 3;
+                } },
+                { name: "portalBoundary", type: "varint", condition: function(field_values) {
+                    return field_values['action'] == 3;
+                } },
+                { name: "warning_time", type: "varint", condition: function(field_values) {
+                    return field_values['action'] == 4 || field_values['action'] == 3;
+                } },
+                { name: "warning_blocks", type: "varint", condition: function(field_values) {
+                    return field_values['action'] == 5 || field_values['action'] == 3;
+                } }
+            ]},
+            title: { id: 0x45, fields: [
+                { name: "action", type: "varint"},
+                { name: "text", type: "string", condition: function(field_values) {
+                    return field_values['action'] == 0 || field_values['action'] == 1;
+                } },
+                { name: "fadeIn", type: "int", condition: function(field_values) {
+                    return field_values['action'] == 2;
+                } },
+                { name: "stay", type: "int", condition: function(field_values) {
+                    return field_values['action'] == 2;
+                } },
+                { name: "fadeOut", type: "int", condition: function(field_values) {
+                    return field_values['action'] == 2;
+                } }
+            ]},
+            set_compression: { id: 0x46, fields: [
+                { name: "threshold", type: "varint"}
+            ]},
+            playerlist_header: { id: 0x47, fields: [
+                { name: "header", type: "string" },
+                { name: "footer", type: "string" }
+            ]},
+            resource_pack_send: { id: 0x48, fields: [
+                { name: "url", type: "string" },
+                { name: "hash", type: "string" }
+            ]},
+            update_entity_nbt: { id: 0x49, fields: [
+                { name: "entityId", type: "varint" },
+                { name: "tag", type: "restBuffer"}
+            ]}
+        },
+        toServer: {
+            keep_alive:         {id: 0x00, fields: [
+                { name: "keepAliveId", type: "varint" }
+            ]},
+            chat:       {id: 0x01, fields: [
+                { name: "message", type: "string" }
+            ]},
+            use_entity:         {id: 0x02, fields: [
+                { name: "target", type: "varint" },
+                { name: "mouse", type: "varint" },
+                { name: "x", type: "float", condition: function(field_values) {
+                    return field_values["mouse"] == 2;
+                }},
+                { name: "y", type: "float", condition: function(field_values) {
+                    return field_values["mouse"] == 2;
+                }},
+                { name: "z", type: "float", condition: function(field_values) {
+                    return field_values["mouse"] == 2;
+                }},
+            ]},
+            flying:             {id: 0x03, fields: [
+                { name: "onGround", type: "bool" }
+            ]},
+            position:    {id: 0x04, fields: [
+                { name: "x", type: "double" },
+                { name: "y", type: "double" },
+                { name: "z", type: "double" },
+                { name: "onGround", type: "bool" }
+            ]},
+            look:        {id: 0x05, fields: [
+                { name: "yaw", type: "float" },
+                { name: "pitch", type: "float" },
+                { name: "onGround", type: "bool" }
+            ]},
+            position_look: {id: 0x06, fields: [
+                { name: "x", type: "double" },
+                { name: "y", type: "double" },
+                { name: "z", type: "double" },
+                { name: "yaw", type: "float" },
+                { name: "pitch", type: "float" },
+                { name: "onGround", type: "bool" }
+            ]},
+            block_dig:     {id: 0x07, fields: [
+                { name: "status", type: "byte" },
+                { name: "location", type: "position"},
+                { name: "face", type: "byte" }
+            ]},
+            block_place: {id: 0x08, fields: [
+                { name: "location", type: "position" },
+                { name: "direction", type: "byte" },
+                { name: "heldItem", type: "slot" },
+                { name: "cursorX", type: "byte" },
+                { name: "cursorY", type: "byte" },
+                { name: "cursorZ", type: "byte" }
+            ]},
+            held_item_slot:   {id: 0x09, fields: [
+                { name: "slotId", type: "short" }
+            ]},
+            arm_animation:          {id: 0x0a, fields: []},
+            entity_action:      {id: 0x0b, fields: [
+                { name: "entityId", type: "varint" },
+                { name: "actionId", type: "varint" },
+                { name: "jumpBoost", type: "varint" }
+            ]},
+            steer_vehicle:      {id: 0x0c, fields: [
+                { name: "sideways", type: "float" },
+                { name: "forward", type: "float" },
+                { name: "jump", type: "ubyte" }
+            ]},
+            close_window:       {id: 0x0d, fields: [
+                { name: "windowId", type: "byte" }
+            ]},
+            window_click:       {id: 0x0e, fields: [
+                { name: "windowId", type: "byte" },
+                { name: "slot", type: "short" },
+                { name: "mouseButton", type: "byte" },
+                { name: "action", type: "short" },
+                { name: "mode", type: "byte" },
+                { name: "item", type: "slot" }
+            ]},
+            transaction: {id: 0x0f, fields: [
+                { name: "windowId", type: "byte" },
+                { name: "action", type: "short" },
+                { name: "accepted", type: "bool" }
+            ]},
+            set_creative_slot: {id: 0x10, fields: [
+                { name: "slot", type: "short" },
+                { name: "item", type: "slot" }
+            ]},
+            enchant_item:       {id: 0x11, fields: [
+                { name: "windowId", type: "byte" },
+                { name: "enchantment", type: "byte" }
+            ]},
+            update_sign:        {id: 0x12, fields: [
+                { name: "location", type: "position" },
+                { name: "text1", type: "string" },
+                { name: "text2", type: "string" },
+                { name: "text3", type: "string" },
+                { name: "text4", type: "string" }
+            ]},
+            abilities:   {id: 0x13, fields: [
+                { name: "flags", type: "byte" },
+                { name: "flyingSpeed", type: "float" },
+                { name: "walkingSpeed", type: "float" }
+            ]},
+            tab_complete:       {id: 0x14, fields: [
+                { name: "text", type: "string" },
+                { name: "hasPosition", type: "bool" },
+                { name: "block", type: "position", condition: function(field_values) {
+                    return field_values['hasPosition'];
+                } }
+            ]},
+            settings:    {id: 0x15, fields: [
+                { name: "locale", type: "string" },
+                { name: "viewDistance", type: "byte" },
+                { name: "chatFlags", type: "byte" },
+                { name: "chatColors", type: "bool" },
+                { name: "skinParts", type: "ubyte" }
+            ]},
+            client_command:      {id: 0x16, fields: [
+                { name: "payload", type: "varint" }
+            ]},
+            custom_payload:     {id: 0x17, fields: [
+                { name: "channel", type: "string" }, /* TODO: wiki.vg sats no dataLength is needed? */
+                { name: "data", type: "restBuffer"}
+            ]},
+            spectate: { id: 0x18, fields: [
+                { name: "target", type: "UUID"}
+            ]},
+            resource_pack_receive: { id: 0x19, fields: [
+                { name: "hash", type: "string" },
+                { name: "result", type: "varint" }
+            ]}
+        }
+    }
+};