more packets and parsers

lib/parser.js

@@ -70,7 +70,9 @@ var writers = {
 var readers = {
   'string': readString,
   'byteArray': readByteArray,
+  'bigByteArray': readBigByteArray,
   'short': readShort,
+  'ushort': readUShort,
   'int': readInt,
   'byte': readByte,
   'ubyte': readUByte,
@@ -84,6 +86,9 @@ var readers = {
   'entityMetadata': readEntityMetadata,
   'objectData': readObjectData,
   'intArray': readIntArray,
+  'intVector': readIntVector,
+  'byteVector': readByteVector,
+  'byteVectorArray': readByteVectorArray,
 };
 
 function readIntArray(buffer, offset) {
@@ -113,10 +118,45 @@ var entityMetadataReaders = {
   3: readFloat,
   4: readString,
   5: readSlot,
-  6: readVector,
+  6: readIntVector,
 };
 
-function readVector(buffer, offset) {
+function readByteVectorArray(buffer, offset) {
+  var results = readInt(buffer, offset);
+  if (! results) return null;
+  var count = results.value;
+  var cursor = offset + results.size;
+  var cursorEnd = cursor + 3 * count;
+  if (cursorEnd > buffer.length) return null;
+
+  var array = [];
+  for (var i = 0; i < count; ++i) {
+    array.push({
+      x: buffer.readInt8(cursor),
+      y: buffer.readInt8(cursor + 1),
+      z: buffer.readInt8(cursor + 2),
+    });
+    cursor += 3;
+  }
+  return {
+    value: array,
+    size: cursorEnd - offset,
+  };
+}
+
+function readByteVector(buffer, offset) {
+  if (offset + 3 > buffer.length) return null;
+  return {
+    value: {
+      x: buffer.readInt8(offset),
+      y: buffer.readInt8(offset + 1),
+      z: buffer.readInt8(offset + 2),
+    },
+    size: 3,
+  };
+}
+
+function readIntVector(buffer, offset) {
   if (offset + 12 > buffer.length) return null;
   return {
     value: {
@@ -261,6 +301,22 @@ function readByteArray (buffer, offset) {
   };
 }
 
+function readBigByteArray(buffer, offset) {
+  var results = readInt(buffer, offset);
+  if (! results) return null;
+
+  var bytesBegin = offset + results.size;
+  var bytesSize = results.value;
+  var bytesEnd = bytesBegin + bytesSize;
+  if (bytesEnd > buffer.length) return null;
+  var bytes = buffer.slice(bytesBegin, bytesEnd);
+
+  return {
+    value: bytes,
+    size: bytesEnd - offset,
+  };
+}
+
 function readSlotArray (buffer, offset) {
   var results = readShort(buffer, offset);
   if (! results) return null;
@@ -290,6 +346,15 @@ function readShort(buffer, offset) {
   };
 }
 
+function readUShort(buffer, offset) {
+  if (offset + 2 > buffer.length) return null;
+  var value = buffer.readUInt16BE(offset);
+  return {
+    value: value,
+    size: 2,
+  };
+}
+
 function readInt(buffer, offset) {
   if (offset + 4 > buffer.length) return null;
   var value = buffer.readInt32BE(offset);

packets.json

@@ -455,6 +455,54 @@
       "type": "entityMetadata"
     }
   ],
+  "25": [
+    {
+      "name": "entityId",
+      "type": "int"
+    },
+    {
+      "name": "title",
+      "type": "string"
+    },
+    {
+      "name": "x",
+      "type": "int"
+    },
+    {
+      "name": "y",
+      "type": "int"
+    },
+    {
+      "name": "z",
+      "type": "int"
+    },
+    {
+      "name": "direction",
+      "type": "int"
+    }
+  ],
+  "26": [
+    {
+      "name": "entityId",
+      "type": "int"
+    },
+    {
+      "name": "x",
+      "type": "int"
+    },
+    {
+      "name": "y",
+      "type": "int"
+    },
+    {
+      "name": "z",
+      "type": "int"
+    },
+    {
+      "name": "count",
+      "type": "short"
+    }
+  ],
   "28": [
     {
       "name": "entityId",
@@ -479,6 +527,12 @@
       "type": "intArray"
     }
   ],
+  "30": [
+    {
+      "name": "entityId",
+      "type": "int"
+    }
+  ],
   "31": [
     {
       "name": "entityId",
@@ -603,6 +657,74 @@
       "type": "entityMetadata"
     }
   ],
+  "41": [
+    {
+      "name": "entityId",
+      "type": "int"
+    },
+    {
+      "name": "effectId",
+      "type": "byte"
+    },
+    {
+      "name": "amplifier",
+      "type": "byte"
+    },
+    {
+      "name": "duration",
+      "type": "short"
+    }
+  ],
+  "42": [
+    {
+      "name": "entityId",
+      "type": "int"
+    },
+    {
+      "name": "effectId",
+      "type": "byte"
+    }
+  ],
+  "43": [
+    {
+      "name": "experienceBar",
+      "type": "float"
+    },
+    {
+      "name": "level",
+      "type": "short"
+    },
+    {
+      "name": "totalExperience",
+      "type": "short"
+    }
+  ],
+  "51": [
+    {
+      "name": "x",
+      "type": "int"
+    },
+    {
+      "name": "z",
+      "type": "int"
+    },
+    {
+      "name": "groundUpContinuous",
+      "type": "bool"
+    },
+    {
+      "name": "primaryBitMap",
+      "type": "ushort"
+    },
+    {
+      "name": "addBitMap",
+      "type": "ushort"
+    },
+    {
+      "name": "compressedData",
+      "type": "bigByteArray"
+    }
+  ],
   "52": [
     {
       "name": "chunkX",
@@ -643,12 +765,94 @@
       "type": "byte"
     }
   ],
+  "54": [
+    {
+      "name": "x",
+      "type": "int"
+    },
+    {
+      "name": "y",
+      "type": "short"
+    },
+    {
+      "name": "z",
+      "type": "int"
+    },
+    {
+      "name": "byte1",
+      "type": "byte"
+    },
+    {
+      "name": "byte2",
+      "type": "byte"
+    },
+    {
+      "name": "blockId",
+      "type": "short"
+    }
+  ],
+  "55": [
+    {
+      "name": "entityId",
+      "type": "int"
+    },
+    {
+      "name": "x",
+      "type": "int"
+    },
+    {
+      "name": "y",
+      "type": "int"
+    },
+    {
+      "name": "z",
+      "type": "int"
+    },
+    {
+      "name": "destroyStage",
+      "type": "byte"
+    }
+  ],
   "56": [
     {
       "name": "data",
       "type": "mapChunkBulk"
     }
   ],
+  "60": [
+    {
+      "name": "x",
+      "type": "double"
+    },
+    {
+      "name": "y",
+      "type": "double"
+    },
+    {
+      "name": "z",
+      "type": "double"
+    },
+    {
+      "name": "radius",
+      "type": "float"
+    },
+    {
+      "name": "affectedBlockOffsets",
+      "type": "byteVectorArray"
+    },
+    {
+      "name": "playerMotionX",
+      "type": "float"
+    },
+    {
+      "name": "playerMotionY",
+      "type": "float"
+    },
+    {
+      "name": "playerMotionZ",
+      "type": "float"
+    }
+  ],
   "61": [
     {
       "name": "effectId",