protocol.json

{
  "types": {
    "varint": "native",
    "varlong": "native",
    "optvarint": "varint",
    "pstring": "native",
    "u16": "native",
    "u8": "native",
    "i64": "native",
    "buffer": "native",
    "i32": "native",
    "i8": "native",
    "bool": "native",
    "i16": "native",
    "f32": "native",
    "f64": "native",
    "UUID": "native",
    "option": "native",
    "entityMetadataLoop": "native",
    "topBitSetTerminatedArray": "native",
    "bitfield": "native",
    "container": "native",
    "switch": "native",
    "void": "native",
    "array": "native",
    "restBuffer": "native",
    "nbt": "native",
    "optionalNbt": "native",
    "string": [
      "pstring",
      {
        "countType": "varint"
      }
    ],
    "slot": [
      "container",
      [
        {
          "name": "present",
          "type": "bool"
        },
        {
          "anon": true,
          "type": [
            "switch",
            {
              "compareTo": "present",
              "fields": {
                "false": "void",
                "true": [
                  "container",
                  [
                    {
                      "name": "itemId",
                      "type": "varint"
                    },
                    {
                      "name": "itemCount",
                      "type": "i8"
                    },
                    {
                      "name": "nbtData",
                      "type": "optionalNbt"
                    }
                  ]
                ]
              }
            }
          ]
        }
      ]
    ],
    "particle": [
      "container",
      [
        {
          "name": "particleId",
          "type": "varint"
        },
        {
          "name": "data",
          "type": [
            "particleData",
            {
              "compareTo": "particleId"
            }
          ]
        }
      ]
    ],
    "particleData": [
      "switch",
      {
        "compareTo": "$compareTo",
        "fields": {
          "3": [
            "container", [
              {
                "name": "blockState",
                "type": "varint"
              }
            ]
          ],
          "14": [
            "container", [
              {
                "name": "red",
                "type": "f32"
              },
              {
                "name": "green",
                "type": "f32"
              },
              {
                "name": "blue",
                "type": "f32"
              },
              {
                "name": "scale",
                "type": "f32"
              }
            ]
          ],
          "23": [
            "container", [
              {
                "name": "blockState",
                "type": "varint"
              }
            ]
          ],
          "34":  [
            "container", [
              {
                "name": "item",
                "type": "slot"
              }
            ]
          ]
        },
        "default": "void"
      }
    ],
    "ingredient": [
      "array",
      {
        "countType": "varint",
        "type": "slot"
      }
    ],
    "position": [
      "bitfield",
      [
        {
          "name": "x",
          "size": 26,
          "signed": true
        },
        {
          "name": "z",
          "size": 26,
          "signed": true
        },
        {
          "name": "y",
          "size": 12,
          "signed": true
        }
      ]
    ],
    "entityMetadataItem": [
      "switch",
      {
        "compareTo": "$compareTo",
        "fields": {
          "0": "i8",
          "1": "varint",
          "2": "f32",
          "3": "string",
          "4": "string",
          "5": [
            "option",
            "string"
          ],
          "6": "slot",
          "7": "bool",
          "8": [
            "container",
            [
              {
                "name": "pitch",
                "type": "f32"
              },
              {
                "name": "yaw",
                "type": "f32"
              },
              {
                "name": "roll",
                "type": "f32"
              }
            ]
          ],
          "9": "position",
          "10": [
            "option",
            "position"
          ],
          "11": "varint",
          "12": [
            "option",
            "UUID"
          ],
          "13": "varint",
          "14": "nbt",
          "15": "particle",
          "16": [
            "container",[
              {
                "name": "villagerType",
                "type": "varint"
              },
              {
                "name": "villagerProfession",
                "type": "varint"
              },
              {
                "name": "level",
                "type": "varint"
              }
            ]
          ],
          "17": "optvarint",
          "18": "varint"
        }
      }
    ],
    "entityMetadata": [
      "entityMetadataLoop",
      {
        "endVal": 255,
        "type": [
          "container",
          [
            {
              "anon": true,
              "type": [
                "container",
                [
                  {
                    "name": "key",
                    "type": "u8"
                  },
                  {
                    "name": "type",
                    "type": "varint"
                  }
                ]
              ]
            },
            {
              "name": "value",
              "type": [
                "entityMetadataItem",
                {
                  "compareTo": "type"
                }
              ]
            }
          ]
        ]
      }
    ],
    "minecraft_smelting_format": ["container",[
      {
        "name": "group",
        "type": "string"
      },
      {
        "name": "ingredient",
        "type": "ingredient"
      },
      {
        "name": "result",
        "type": "slot"
      },
      {
        "name": "experience",
        "type": "f32"
      },
      {
        "name": "cookTime",
        "type": "varint"
      }
    ]],
    "tags":["array",{
      "countType": "varint",
      "type": ["container", [
        {
          "name": "tagName",
          "type": "string"
        },
        {
          "name": "entries",
          "type": ["array",{
            "countType": "varint",
            "type": "varint"
          }]
        }
      ]]
    }],
    "command_node": [
      "container",
      [
        {
          "name": "flags",
          "type": [
            "bitfield",
            [
              {
                "name": "unused",
                "size": 3,
                "signed": false
              },
              {
                "name": "has_custom_suggestions",
                "size": 1,
                "signed": false
              },
              {
                "name": "has_redirect_node",
                "size": 1,
                "signed": false
              },
              {
                "name": "has_command",
                "size": 1,
                "signed": false
              },
              {
                "name": "command_node_type",
                "size": 2,
                "signed": false
              }
            ]
          ]
        },
        {
          "name": "children",
          "type": [
            "array",
            {
              "countType": "varint",
              "type": "varint"
            }
          ]
        },
        {
          "name": "redirectNode",
          "type": [
            "switch",
            {
              "compareTo": "flags/has_redirect_node",
              "fields": {
                "1": "varint"
              },
              "default": "void"
            }
          ]
        },
        {
          "name": "extraNodeData",
          "type": [
            "switch",
            {
              "compareTo": "flags/command_node_type",
              "fields": {
                "0": "void",
                "1": [
                  "container",
                  [
                    {
                      "name": "name",
                      "type": "string"
                    }
                  ]
                ],
                "2": [
                  "container",
                  [
                    {
                      "name": "name",
                      "type": "string"
                    },
                    {
                      "name": "parser",
                      "type": "string"
                    },
                    {
                      "name": "properties",
                      "type": [
                        "switch",
                        {
                          "compareTo": "parser",
                          "fields": {
                            "brigadier:bool": "void",
                            "brigadier:float": [
                              "container",
                              [
                                {
                                  "name": "flags",
                                  "type": [
                                    "bitfield",
                                    [
                                      {
                                        "name": "unused",
                                        "size": 6,
                                        "signed": false
                                      },
                                      {
                                        "name": "max_present",
                                        "size": 1,
                                        "signed": false
                                      },
                                      {
                                        "name": "min_present",
                                        "size": 1,
                                        "signed": false
                                      }
                                    ]
                                  ]
                                },
                                {
                                  "name": "min",
                                  "type": [
                                    "switch",
                                    {
                                      "compareTo": "flags/min_present",
                                      "fields": {
                                        "1": "f32"
                                      },
                                      "default": "void"
                                    }
                                  ]
                                },
                                {
                                  "name": "max",
                                  "type": [
                                    "switch",
                                    {
                                      "compareTo": "flags/max_present",
                                      "fields": {
                                        "1": "f32"
                                      },
                                      "default": "void"
                                    }
                                  ]
                                }
                              ]
                            ],
                            "brigadier:double": [
                              "container",
                              [
                                {
                                  "name": "flags",
                                  "type": [
                                    "bitfield",
                                    [
                                      {
                                        "name": "unused",
                                        "size": 6,
                                        "signed": false
                                      },
                                      {
                                        "name": "max_present",
                                        "size": 1,
                                        "signed": false
                                      },
                                      {
                                        "name": "min_present",
                                        "size": 1,
                                        "signed": false
                                      }
                                    ]
                                  ]
                                },
                                {
                                  "name": "min",
                                  "type": [
                                    "switch",
                                    {
                                      "compareTo": "flags/min_present",
                                      "fields": {
                                        "1": "f64"
                                      },
                                      "default": "void"
                                    }
                                  ]
                                },
                                {
                                  "name": "max",
                                  "type": [
                                    "switch",
                                    {
                                      "compareTo": "flags/max_present",
                                      "fields": {
                                        "1": "f64"
                                      },
                                      "default": "void"
                                    }
                                  ]
                                }
                              ]
                            ],
                            "brigadier:integer": [
                              "container",
                              [
                                {
                                  "name": "flags",
                                  "type": [
                                    "bitfield",
                                    [
                                      {
                                        "name": "unused",
                                        "size": 6,
                                        "signed": false
                                      },
                                      {
                                        "name": "max_present",
                                        "size": 1,
                                        "signed": false
                                      },
                                      {
                                        "name": "min_present",
                                        "size": 1,
                                        "signed": false
                                      }
                                    ]
                                  ]
                                },
                                {
                                  "name": "min",
                                  "type": [
                                    "switch",
                                    {
                                      "compareTo": "flags/min_present",
                                      "fields": {
                                        "1": "i32"
                                      },
                                      "default": "void"
                                    }
                                  ]
                                },
                                {
                                  "name": "max",
                                  "type": [
                                    "switch",
                                    {
                                      "compareTo": "flags/max_present",
                                      "fields": {
                                        "1": "i32"
                                      },
                                      "default": "void"
                                    }
                                  ]
                                }
                              ]
                            ],
                            "brigadier:long": [
                              "container",
                              [
                                {
                                  "name": "flags",
                                  "type": [
                                    "bitfield",
                                    [
                                      {
                                        "name": "unused",
                                        "size": 6,
                                        "signed": false
                                      },
                                      {
                                        "name": "max_present",
                                        "size": 1,
                                        "signed": false
                                      },
                                      {
                                        "name": "min_present",
                                        "size": 1,
                                        "signed": false
                                      }
                                    ]
                                  ]
                                },
                                {
                                  "name": "min",
                                  "type": [
                                    "switch",
                                    {
                                      "compareTo": "flags/min_present",
                                      "fields": {
                                        "1": "i64"
                                      },
                                      "default": "void"
                                    }
                                  ]
                                },
                                {
                                  "name": "max",
                                  "type": [
                                    "switch",
                                    {
                                      "compareTo": "flags/max_present",
                                      "fields": {
                                        "1": "i64"
                                      },
                                      "default": "void"
                                    }
                                  ]
                                }
                              ]
                            ],
                            "brigadier:string": [
                              "mapper",
                              {
                                "type": "varint",
                                "mappings": {
                                  "0": "SINGLE_WORD",
                                  "1": "QUOTABLE_PHRASE",
                                  "2": "GREEDY_PHRASE"
                                }
                              }
                            ],
                            "minecraft:entity": [
                              "bitfield",
                              [
                                {
                                  "name": "unused",
                                  "size": 6,
                                  "signed": false
                                },
                                {
                                  "name": "onlyAllowPlayers",
                                  "size": 1,
                                  "signed": false
                                },
                                {
                                  "name": "onlyAllowEntities",
                                  "size": 1,
                                  "signed": false
                                }
                              ]
                            ],
                            "minecraft:game_profile": "void",
                            "minecraft:block_pos": "void",
                            "minecraft:column_pos": "void",
                            "minecraft:vec3": "void",
                            "minecraft:vec2": "void",
                            "minecraft:block_state": "void",
                            "minecraft:block_predicate": "void",
                            "minecraft:item_stack": "void",
                            "minecraft:item_predicate": "void",
                            "minecraft:color": "void",
                            "minecraft:component": "void",
                            "minecraft:message": "void",
                            "minecraft:nbt": "void",
                            "minecraft:nbt_path": "void",
                            "minecraft:objective": "void",
                            "minecraft:objective_criteria": "void",
                            "minecraft:operation": "void",
                            "minecraft:particle": "void",
                            "minecraft:angle": "void",
                            "minecraft:rotation": "void",
                            "minecraft:scoreboard_slot": "void",
                            "minecraft:score_holder": [
                              "bitfield",
                              [
                                {
                                  "name": "unused",
                                  "size": 7,
                                  "signed": false
                                },
                                {
                                  "name": "allowMultiple",
                                  "size": 1,
                                  "signed": false
                                }
                              ]
                            ],
                            "minecraft:swizzle": "void",
                            "minecraft:team": "void",
                            "minecraft:item_slot": "void",
                            "minecraft:resource_location": "void",
                            "minecraft:mob_effect": "void",
                            "minecraft:function": "void",
                            "minecraft:entity_anchor": "void",
                            "minecraft:range": [
                              "container",
                              [
                                {
                                  "name": "allowDecimals",
                                  "type": "bool"
                                }
                              ]
                            ],
                            "minecraft:int_range": "void",
                            "minecraft:float_range": "void",
                            "minecraft:item_enchantment": "void",
                            "minecraft:entity_summon": "void",
                            "minecraft:dimension": "void",
                            "minecraft:nbt_compound_tag": "void",
                            "minecraft:time": "void",
                            "minecraft:resource_or_tag": [
                              "container",
                              [
                                {
                                  "name": "registry",
                                  "type": "string"
                                }
                              ]
                            ],
                            "minecraft:resource": [
                              "container",
                              [
                                {
                                  "name": "registry",
                                  "type": "string"
                                }
                              ]
                            ],
                            "minecraft:uuid": "void"
                          }
                        }
                      ]
                    },
                    {
                      "name": "suggestionType",
                      "type": [
                        "switch",
                        {
                          "compareTo": "../flags/has_custom_suggestions",
                          "fields": {
                            "1": "string"
                          },
                          "default": "void"
                        }
                      ]
                    }
                  ]
                ]
              }
            }
          ]
        }
      ]
    ]
  },
  "handshaking": {
    "toClient": {
      "types": {
        "packet": [
          "container",
          [
            {
              "name": "name",
              "type": [
                "mapper",
                {
                  "type": "varint",
                  "mappings": {}
                }
              ]
            },
            {
              "name": "params",
              "type": [
                "switch",
                {
                  "compareTo": "name",
                  "fields": {}
                }
              ]
            }
          ]
        ]
      }
    },
    "toServer": {
      "types": {
        "packet_set_protocol": [
          "container",
          [
            {
              "name": "protocolVersion",
              "type": "varint"
            },
            {
              "name": "serverHost",
              "type": "string"
            },
            {
              "name": "serverPort",
              "type": "u16"
            },
            {
              "name": "nextState",
              "type": "varint"
            }
          ]
        ],
        "packet_legacy_server_list_ping": [
          "container",
          [
            {
              "name": "payload",
              "type": "u8"
            }
          ]
        ],
        "packet": [
          "container",
          [
            {
              "name": "name",
              "type": [
                "mapper",
                {
                  "type": "varint",
                  "mappings": {
                    "0x00": "set_protocol",
                    "0xfe": "legacy_server_list_ping"
                  }
                }
              ]
            },
            {
              "name": "params",
              "type": [
                "switch",
                {
                  "compareTo": "name",
                  "fields": {
                    "set_protocol": "packet_set_protocol",
                    "legacy_server_list_ping": "packet_legacy_server_list_ping"
                  }
                }
              ]
            }
          ]
        ]
      }
    }
  },
  "status": {
    "toClient": {
      "types": {
        "packet_server_info": [
          "container",
          [
            {
              "name": "response",
              "type": "string"
            }
          ]
        ],
        "packet_ping": [
          "container",
          [
            {
              "name": "time",
              "type": "i64"
            }
          ]
        ],
        "packet": [
          "container",
          [
            {
              "name": "name",
              "type": [
                "mapper",
                {
                  "type": "varint",
                  "mappings": {
                    "0x00": "server_info",
                    "0x01": "ping"
                  }
                }
              ]
            },
            {
              "name": "params",
              "type": [
                "switch",
                {
                  "compareTo": "name",
                  "fields": {
                    "server_info": "packet_server_info",
                    "ping": "packet_ping"
                  }
                }
              ]
            }
          ]
        ]
      }
    },
    "toServer": {
      "types": {
        "packet_ping_start": [
          "container",
          []
        ],
        "packet_ping": [
          "container",
          [
            {
              "name": "time",
              "type": "i64"
            }
          ]
        ],
        "packet": [
          "container",
          [
            {
              "name": "name",
              "type": [
                "mapper",
                {
                  "type": "varint",
                  "mappings": {
                    "0x00": "ping_start",
                    "0x01": "ping"
                  }
                }
              ]
            },
            {
              "name": "params",
              "type": [
                "switch",
                {
                  "compareTo": "name",
                  "fields": {
                    "ping_start": "packet_ping_start",
                    "ping": "packet_ping"
                  }
                }
              ]
            }
          ]
        ]
      }
    }
  },
  "login": {
    "toClient": {
      "types": {
        "packet_disconnect": [
          "container",
          [
            {
              "name": "reason",
              "type": "string"
            }
          ]
        ],
        "packet_encryption_begin": [
          "container",
          [
            {
              "name": "serverId",
              "type": "string"
            },
            {
              "name": "publicKey",
              "type": [
                "buffer",
                {
                  "countType": "varint"
                }
              ]
            },
            {
              "name": "verifyToken",
              "type": [
                "buffer",
                {
                  "countType": "varint"
                }
              ]
            }
          ]
        ],
        "packet_success": [
          "container",
          [
            {
              "name": "uuid",
              "type": "UUID"
            },
            {
              "name": "username",
              "type": "string"
            }
          ]
        ],
        "packet_compress": [
          "container",
          [
            {
              "name": "threshold",
              "type": "varint"
            }
          ]
        ],
        "packet_login_plugin_request": [
          "container",
          [
            {
              "name": "messageId",
              "type": "varint"
            },
            {
              "name": "channel",
              "type": "string"
            },
            {
              "name": "data",
              "type": "restBuffer"
            }
          ]
        ],
        "packet": [
          "container",
          [
            {
              "name": "name",
              "type": [
                "mapper",
                {
                  "type": "varint",
                  "mappings": {
                    "0x00": "disconnect",
                    "0x01": "encryption_begin",
                    "0x02": "success",
                    "0x03": "compress",
                    "0x04": "login_plugin_request"
                  }
                }
              ]
            },
            {
              "name": "params",
              "type": [
                "switch",
                {
                  "compareTo": "name",
                  "fields": {
                    "disconnect": "packet_disconnect",
                    "encryption_begin": "packet_encryption_begin",
                    "success": "packet_success",
                    "compress": "packet_compress",
                    "login_plugin_request": "packet_login_plugin_request"
                  }
                }
              ]
            }
          ]
        ]
      }
    },
    "toServer": {
      "types": {
        "packet_login_start": [
          "container",
          [
            {
              "name": "username",
              "type": "string"
            }
          ]
        ],
        "packet_encryption_begin": [
          "container",
          [
            {
              "name": "sharedSecret",
              "type": [
                "buffer",
                {
                  "countType": "varint"
                }
              ]
            },
            {
              "name": "verifyToken",
              "type": [
                "buffer",
                {
                  "countType": "varint"
                }
              ]
            }
          ]
        ],
        "packet_login_plugin_response": [
          "container",
          [
            {
              "name": "messageId",
              "type": "varint"
            },
            {
              "name": "data",
              "type": [
                "option",
                "restBuffer"
              ]
            }
          ]
        ],
        "packet": [
          "container",
          [
            {
              "name": "name",
              "type": [
                "mapper",
                {
                  "type": "varint",
                  "mappings": {
                    "0x00": "login_start",
                    "0x01": "encryption_begin",
                    "0x02": "login_plugin_response"
                  }
                }
              ]
            },
            {
              "name": "params",
              "type": [
                "switch",
                {
                  "compareTo": "name",
                  "fields": {
                    "login_start": "packet_login_start",
                    "encryption_begin": "packet_encryption_begin",
                    "login_plugin_response": "packet_login_plugin_response"
                  }
                }
              ]
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                  },
                  "default": "void"
                }
              ]
            },
            {
              "name": "suffix",
              "type": [
                "switch",
                {
                  "compareTo": "mode",
                  "fields": {
                    "0": "string",
                    "2": "string"
                  },
                  "default": "void"
                }
              ]
            },
            {
              "name": "players",
              "type": [
                "switch",
                {
                  "compareTo": "mode",
                  "fields": {
                    "0": [
                      "array",
                      {
                        "countType": "varint",
                        "type": "string"
                      }
                    ],
                    "3": [
                      "array",
                      {
                        "countType": "varint",
                        "type": "string"
                      }
                    ],
                    "4": [
                      "array",
                      {
                        "countType": "varint",
                        "type": "string"
                      }
                    ]
                  },
                  "default": "void"
                }
              ]
            }
          ]
        ],
        "packet_scoreboard_score": [
          "container",
          [
            {
              "name": "itemName",
              "type": "string"
            },
            {
              "name": "action",
              "type": "varint"
            },
            {
              "name": "scoreName",
              "type": "string"
            },
            {
              "name": "value",
              "type": [
                "switch",
                {
                  "compareTo": "action",
                  "fields": {
                    "1": "void"
                  },
                  "default": "varint"
                }
              ]
            }
          ]
        ],
        "packet_spawn_position": [
          "container",
          [
            {
              "name": "location",
              "type": "position"
            }
          ]
        ],
        "packet_update_time": [
          "container",
          [
            {
              "name": "age",
              "type": "i64"
            },
            {
              "name": "time",
              "type": "i64"
            }
          ]
        ],
        "packet_title": [
          "container",
          [
            {
              "name": "action",
              "type": "varint"
            },
            {
              "name": "text",
              "type": [
                "switch",
                {
                  "compareTo": "action",
                  "fields": {
                    "0": "string",
                    "1": "string",
                    "2": "string"
                  },
                  "default": "void"
                }
              ]
            },
            {
              "name": "fadeIn",
              "type": [
                "switch",
                {
                  "compareTo": "action",
                  "fields": {
                    "3": "i32"
                  },
                  "default": "void"
                }
              ]
            },
            {
              "name": "stay",
              "type": [
                "switch",
                {
                  "compareTo": "action",
                  "fields": {
                    "3": "i32"
                  },
                  "default": "void"
                }
              ]
            },
            {
              "name": "fadeOut",
              "type": [
                "switch",
                {
                  "compareTo": "action",
                  "fields": {
                    "3": "i32"
                  },
                  "default": "void"
                }
              ]
            }
          ]
        ],
        "packet_entity_sound_effect": [
          "container",
          [
            {
              "name": "soundId",
              "type": "varint"
            },
            {
              "name": "soundCategory",
              "type": "varint"
            },
            {
              "name": "entityId",
              "type": "varint"
            },
            {
              "name": "volume",
              "type": "f32"
            },
            {
              "name": "pitch",
              "type": "f32"
            }
          ]
        ],
        "packet_stop_sound": [
          "container",
          [
            {
              "name": "flags",
              "type": "i8"
            },
            {
              "name": "source",
              "type": ["switch",{
                "compareTo":"flags",
                "fields": {
                  "3": "varint",
                  "1": "varint"
                },
                "default": "void"
              }]
            },
            {
              "name": "sound",
              "type": ["switch",{
                "compareTo":"flags",
                "fields": {
                  "3": "string",
                  "2": "string"
                },
                "default": "void"
              }]
            }
          ]
        ],
        "packet_sound_effect": [
          "container",
          [
            {
              "name": "soundId",
              "type": "varint"
            },
            {
              "name": "soundCategory",
              "type": "varint"
            },
            {
              "name": "x",
              "type": "i32"
            },
            {
              "name": "y",
              "type": "i32"
            },
            {
              "name": "z",
              "type": "i32"
            },
            {
              "name": "volume",
              "type": "f32"
            },
            {
              "name": "pitch",
              "type": "f32"
            }
          ]
        ],
        "packet_playerlist_header": [
          "container",
          [
            {
              "name": "header",
              "type": "string"
            },
            {
              "name": "footer",
              "type": "string"
            }
          ]
        ],
        "packet_collect": [
          "container",
          [
            {
              "name": "collectedEntityId",
              "type": "varint"
            },
            {
              "name": "collectorEntityId",
              "type": "varint"
            },
            {
              "name": "pickupItemCount",
              "type": "varint"
            }
          ]
        ],
        "packet_entity_teleport": [
          "container",
          [
            {
              "name": "entityId",
              "type": "varint"
            },
            {
              "name": "x",
              "type": "f64"
            },
            {
              "name": "y",
              "type": "f64"
            },
            {
              "name": "z",
              "type": "f64"
            },
            {
              "name": "yaw",
              "type": "i8"
            },
            {
              "name": "pitch",
              "type": "i8"
            },
            {
              "name": "onGround",
              "type": "bool"
            }
          ]
        ],
        "packet_entity_update_attributes": [
          "container",
          [
            {
              "name": "entityId",
              "type": "varint"
            },
            {
              "name": "properties",
              "type": [
                "array",
                {
                  "countType": "i32",
                  "type": [
                    "container",
                    [
                      {
                        "name": "key",
                        "type": "string"
                      },
                      {
                        "name": "value",
                        "type": "f64"
                      },
                      {
                        "name": "modifiers",
                        "type": [
                          "array",
                          {
                            "countType": "varint",
                            "type": [
                              "container",
                              [
                                {
                                  "name": "uuid",
                                  "type": "UUID"
                                },
                                {
                                  "name": "amount",
                                  "type": "f64"
                                },
                                {
                                  "name": "operation",
                                  "type": "i8"
                                }
                              ]
                            ]
                          }
                        ]
                      }
                    ]
                  ]
                }
              ]
            }
          ]
        ],
        "packet_entity_effect": [
          "container",
          [
            {
              "name": "entityId",
              "type": "varint"
            },
            {
              "name": "effectId",
              "type": "i8"
            },
            {
              "name": "amplifier",
              "type": "i8"
            },
            {
              "name": "duration",
              "type": "varint"
            },
            {
              "name": "hideParticles",
              "type": "i8"
            }
          ]
        ],
        "packet_select_advancement_tab": [
          "container",
          [
            {
              "name": "id",
              "type": [
                "option",
                "string"
              ]
            }
          ]
        ],
        "packet_declare_recipes": [
          "container",
          [
            {
              "name": "recipes",
              "type": ["array",{
                "countType": "varint",
                "type":["container",[
                  {
                    "name": "type",
                    "type": "string"
                  },
                  {
                    "name": "recipeId",
                    "type": "string"
                  },
                  {
                    "name": "data",
                    "type": ["switch", {
                      "compareTo": "type",
                      "fields": {
                        "minecraft:crafting_shapeless": ["container",[
                          {
                            "name": "group",
                            "type": "string"
                          },
                          {
                            "name": "ingredients",
                            "type": ["array",{
                              "countType": "varint",
                              "type": "ingredient"
                            }]
                          },
                          {
                            "name": "result",
                            "type": "slot"
                          }
                        ]],
                        "minecraft:crafting_shaped": ["container",[
                          {
                            "name": "width",
                            "type": "varint"
                          },
                          {
                            "name": "height",
                            "type": "varint"
                          },
                          {
                            "name": "group",
                            "type": "string"
                          },
                          {
                            "name": "ingredients",
                            "type": ["array",{
                              "count": "width",
                              "type": ["array",{
                                "count": "height",
                                "type": "ingredient"
                              }]
                            }]
                          },
                          {
                            "name": "result",
                            "type": "slot"
                          }
                        ]],
                        "minecraft:crafting_special_armordye": "void",
                        "minecraft:crafting_special_bookcloning": "void",
                        "minecraft:crafting_special_mapcloning": "void",
                        "minecraft:crafting_special_mapextending": "void",
                        "minecraft:crafting_special_firework_rocket": "void",
                        "minecraft:crafting_special_firework_star": "void",
                        "minecraft:crafting_special_firework_star_fade": "void",
                        "minecraft:crafting_special_repairitem": "void",
                        "minecraft:crafting_special_tippedarrow": "void",
                        "minecraft:crafting_special_bannerduplicate": "void",
                        "minecraft:crafting_special_banneraddpattern": "void",
                        "minecraft:crafting_special_shielddecoration": "void",
                        "minecraft:crafting_special_shulkerboxcoloring": "void",
                        "minecraft:crafting_special_suspiciousstew": "void",
                        "minecraft:smelting": "minecraft_smelting_format",
                        "minecraft:blasting": "minecraft_smelting_format",
                        "minecraft:smoking": "minecraft_smelting_format",
                        "minecraft:campfire_cooking": "minecraft_smelting_format",
                        "minecraft:stonecutting": ["container",[
                          {
                            "name": "group",
                            "type": "string"
                          },
                          {
                            "name": "ingredient",
                            "type": "ingredient"
                          },
                          {
                            "name": "result",
                            "type": "slot"
                          }
                        ]],
                        "minecraft:smithing": ["container",[
                          {
                            "name": "base",
                            "type": "ingredient"
                          },
                          {
                            "name": "addition",
                            "type": "ingredient"
                          },
                          {
                            "name": "result",
                            "type": "slot"
                          }
                        ]]
                      }
                    }]
                  }
                ]]
              }]
            }
          ]
        ],
        "packet_tags": [
          "container",
          [
            {
              "name": "blockTags",
              "type": "tags"
            },
            {
              "name": "itemTags",
              "type": "tags"
            },
            {
              "name": "fluidTags",
              "type": "tags"
            },
            {
              "name": "entityTags",
              "type": "tags"
            }
          ]
        ],
        "packet_acknowledge_player_digging": [
          "container",
          [
            {
              "name": "location",
              "type": "position"
            },
            {
              "name": "block",
              "type": "varint"
            },
            {
              "name": "status",
              "type": "varint"
            },
            {
              "name": "successful",
              "type": "bool"
            }
          ]
        ],
        "packet": [
          "container",
          [
            {
              "name": "name",
              "type": [
                "mapper",
                {
                  "type": "varint",
                  "mappings": {
                    "0x00": "spawn_entity",
                    "0x01": "spawn_entity_experience_orb",
                    "0x02": "spawn_entity_living",
                    "0x03": "spawn_entity_painting",
                    "0x04": "named_entity_spawn",
                    "0x05": "animation",
                    "0x06": "statistics",
                    "0x07": "acknowledge_player_digging",
                    "0x08": "block_break_animation",
                    "0x09": "tile_entity_data",
                    "0x0a": "block_action",
                    "0x0b": "block_change",
                    "0x0c": "boss_bar",
                    "0x0d": "difficulty",
                    "0x0e": "chat",
                    "0x0f": "multi_block_change",
                    "0x10": "tab_complete",
                    "0x11": "declare_commands",
                    "0x12": "transaction",
                    "0x13": "close_window",
                    "0x14": "window_items",
                    "0x15": "craft_progress_bar",
                    "0x16": "set_slot",
                    "0x17": "set_cooldown",
                    "0x18": "custom_payload",
                    "0x19": "named_sound_effect",
                    "0x1a": "kick_disconnect",
                    "0x1b": "entity_status",
                    "0x1c": "explosion",
                    "0x1d": "unload_chunk",
                    "0x1e": "game_state_change",
                    "0x1f": "open_horse_window",
                    "0x20": "keep_alive",
                    "0x21": "map_chunk",
                    "0x22": "world_event",
                    "0x23": "world_particles",
                    "0x24": "update_light",
                    "0x25": "login",
                    "0x26": "map",
                    "0x27": "trade_list",
                    "0x28": "rel_entity_move",
                    "0x29": "entity_move_look",
                    "0x2a": "entity_look",
                    "0x2b": "entity",
                    "0x2c": "vehicle_move",
                    "0x2d": "open_book",
                    "0x2e": "open_window",
                    "0x2f": "open_sign_entity",
                    "0x30": "craft_recipe_response",
                    "0x31": "abilities",
                    "0x32": "combat_event",
                    "0x33": "player_info",
                    "0x34": "face_player",
                    "0x35": "position",
                    "0x36": "unlock_recipes",
                    "0x37": "entity_destroy",
                    "0x38": "remove_entity_effect",
                    "0x39": "resource_pack_send",
                    "0x3a": "respawn",
                    "0x3b": "entity_head_rotation",
                    "0x3c": "select_advancement_tab",
                    "0x3d": "world_border",
                    "0x3e": "camera",
                    "0x3f": "held_item_slot",
                    "0x40": "update_view_position",
                    "0x41": "update_view_distance",
                    "0x42": "spawn_position",
                    "0x43": "scoreboard_display_objective",
                    "0x44": "entity_metadata",
                    "0x45": "attach_entity",
                    "0x46": "entity_velocity",
                    "0x47": "entity_equipment",
                    "0x48": "experience",
                    "0x49": "update_health",
                    "0x4a": "scoreboard_objective",
                    "0x4b": "set_passengers",
                    "0x4c": "teams",
                    "0x4d": "scoreboard_score",
                    "0x4e": "update_time",
                    "0x4f": "title",
                    "0x50": "entity_sound_effect",
                    "0x51": "sound_effect",
                    "0x52": "stop_sound",
                    "0x53": "playerlist_header",
                    "0x54": "nbt_query_response",
                    "0x55": "collect",
                    "0x56": "entity_teleport",
                    "0x57": "advancements",
                    "0x58": "entity_update_attributes",
                    "0x59": "entity_effect",
                    "0x5a": "declare_recipes",
                    "0x5b": "tags"
                  }
                }
              ]
            },
            {
              "name": "params",
              "type": [
                "switch",
                {
                  "compareTo": "name",
                  "fields": {
                    "spawn_entity": "packet_spawn_entity",
                    "spawn_entity_experience_orb": "packet_spawn_entity_experience_orb",
                    "spawn_entity_living": "packet_spawn_entity_living",
                    "spawn_entity_painting": "packet_spawn_entity_painting",
                    "named_entity_spawn": "packet_named_entity_spawn",
                    "animation": "packet_animation",
                    "statistics": "packet_statistics",
                    "advancements": "packet_advancements",
                    "block_break_animation": "packet_block_break_animation",
                    "tile_entity_data": "packet_tile_entity_data",
                    "block_action": "packet_block_action",
                    "block_change": "packet_block_change",
                    "boss_bar": "packet_boss_bar",
                    "difficulty": "packet_difficulty",
                    "tab_complete": "packet_tab_complete",
                    "declare_commands": "packet_declare_commands",
                    "face_player": "packet_face_player",
                    "nbt_query_response": "packet_nbt_query_response",
                    "chat": "packet_chat",
                    "multi_block_change": "packet_multi_block_change",
                    "transaction": "packet_transaction",
                    "close_window": "packet_close_window",
                    "open_window": "packet_open_window",
                    "window_items": "packet_window_items",
                    "craft_progress_bar": "packet_craft_progress_bar",
                    "set_slot": "packet_set_slot",
                    "set_cooldown": "packet_set_cooldown",
                    "custom_payload": "packet_custom_payload",
                    "named_sound_effect": "packet_named_sound_effect",
                    "kick_disconnect": "packet_kick_disconnect",
                    "entity_status": "packet_entity_status",
                    "explosion": "packet_explosion",
                    "unload_chunk": "packet_unload_chunk",
                    "game_state_change": "packet_game_state_change",
                    "open_horse_window": "packet_open_horse_window",
                    "keep_alive": "packet_keep_alive",
                    "map_chunk": "packet_map_chunk",
                    "world_event": "packet_world_event",
                    "world_particles": "packet_world_particles",
                    "update_light": "packet_update_light",
                    "login": "packet_login",
                    "map": "packet_map",
                    "trade_list": "packet_trade_list",
                    "rel_entity_move": "packet_rel_entity_move",
                    "entity_move_look": "packet_entity_move_look",
                    "entity_look": "packet_entity_look",
                    "entity": "packet_entity",
                    "vehicle_move": "packet_vehicle_move",
                    "open_book": "packet_open_book",
                    "open_sign_entity": "packet_open_sign_entity",
                    "craft_recipe_response": "packet_craft_recipe_response",
                    "abilities": "packet_abilities",
                    "combat_event": "packet_combat_event",
                    "player_info": "packet_player_info",
                    "position": "packet_position",
                    "unlock_recipes": "packet_unlock_recipes",
                    "entity_destroy": "packet_entity_destroy",
                    "remove_entity_effect": "packet_remove_entity_effect",
                    "resource_pack_send": "packet_resource_pack_send",
                    "respawn": "packet_respawn",
                    "entity_update_attributes": "packet_entity_update_attributes",
                    "world_border": "packet_world_border",
                    "camera": "packet_camera",
                    "held_item_slot": "packet_held_item_slot",
                    "update_view_position": "packet_update_view_position",
                    "update_view_distance": "packet_update_view_distance",
                    "scoreboard_display_objective": "packet_scoreboard_display_objective",
                    "entity_metadata": "packet_entity_metadata",
                    "attach_entity": "packet_attach_entity",
                    "entity_velocity": "packet_entity_velocity",
                    "entity_equipment": "packet_entity_equipment",
                    "experience": "packet_experience",
                    "update_health": "packet_update_health",
                    "scoreboard_objective": "packet_scoreboard_objective",
                    "set_passengers": "packet_set_passengers",
                    "teams": "packet_teams",
                    "scoreboard_score": "packet_scoreboard_score",
                    "spawn_position": "packet_spawn_position",
                    "update_time": "packet_update_time",
                    "title": "packet_title",
                    "entity_sound_effect": "packet_entity_sound_effect",
                    "stop_sound": "packet_stop_sound",
                    "sound_effect": "packet_sound_effect",
                    "playerlist_header": "packet_playerlist_header",
                    "collect": "packet_collect",
                    "entity_teleport": "packet_entity_teleport",
                    "entity_head_rotation": "packet_entity_head_rotation",
                    "entity_effect": "packet_entity_effect",
                    "select_advancement_tab": "packet_select_advancement_tab",
                    "declare_recipes": "packet_declare_recipes",
                    "tags": "packet_tags",
                    "acknowledge_player_digging": "packet_acknowledge_player_digging"
                  }
                }
              ]
            }
          ]
        ]
      }
    },
    "toServer": {
      "types": {
        "packet_teleport_confirm": [
          "container",
          [
            {
              "name": "teleportId",
              "type": "varint"
            }
          ]
        ],
        "packet_query_block_nbt": [
          "container",
          [
            {
              "name": "transactionId",
              "type": "varint"
            },
            {
              "name": "location",
              "type": "position"
            }
          ]
        ],
        "packet_set_difficulty": [
          "container",
          [
            {
              "name": "newDifficulty",
              "type": "u8"
            }
          ]
        ],
        "packet_edit_book": [
          "container",
          [
            {
              "name": "new_book",
              "type": "slot"
            },
            {
              "name": "signing",
              "type": "bool"
            },
            {
              "name": "hand",
              "type": "varint"
            }
          ]
        ],
        "packet_query_entity_nbt": [
          "container",
          [
            {
              "name": "transactionId",
              "type": "varint"
            },
            {
              "name": "entityId",
              "type": "varint"
            }
          ]
        ],
        "packet_pick_item": [
          "container",
          [
            {
              "name": "slot",
              "type": "varint"
            }
          ]
        ],
        "packet_name_item": [
          "container",
          [
            {
              "name": "name",
              "type": "string"
            }
          ]
        ],
        "packet_select_trade": [
          "container",
          [
            {
              "name": "slot",
              "type": "varint"
            }
          ]
        ],
        "packet_set_beacon_effect": [
          "container",
          [
            {
              "name": "primary_effect",
              "type": "varint"
            },
            {
              "name": "secondary_effect",
              "type": "varint"
            }
          ]
        ],
        "packet_update_command_block": [
          "container",
          [
            {
              "name": "location",
              "type": "position"
            },
            {
              "name": "command",
              "type": "string"
            },
            {
              "name": "mode",
              "type": "varint"
            },
            {
              "name": "flags",
              "type": "u8"
            }
          ]
        ],
        "packet_update_command_block_minecart": [
          "container",
          [
            {
              "name": "entityId",
              "type": "varint"
            },
            {
              "name": "command",
              "type": "string"
            }
          ,
            {
              "name": "track_output",
              "type": "bool"
            }
          ]
        ],
        "packet_update_structure_block": [
          "container",
          [
            {
              "name": "location",
              "type": "position"
            },
            {
              "name": "action",
              "type": "varint"
            },
            {
              "name": "mode",
              "type": "varint"
            },
            {
              "name": "name",
              "type": "string"
            },
            {
              "name": "offset_x",
              "type": "i8"
            },
            {
              "name": "offset_y",
              "type": "i8"
            },
            {
              "name": "offset_z",
              "type": "i8"
            },
            {
              "name": "size_x",
              "type": "i8"
            },
            {
              "name": "size_y",
              "type": "i8"
            },
            {
              "name": "size_z",
              "type": "i8"
            },
            {
              "name": "mirror",
              "type": "varint"
            },
            {
              "name": "rotation",
              "type": "varint"
            },
            {
              "name": "metadata",
              "type": "string"
            },
            {
              "name": "integrity",
              "type": "f32"
            },
            {
              "name": "seed",
              "type": "varlong"
            },
            {
              "name": "flags",
              "type": "u8"
            }
          ]
        ],
        "packet_tab_complete": [
          "container",
          [
            {
              "name": "transactionId",
              "type": "varint"
            },
            {
              "name": "text",
              "type": "string"
            }
          ]
        ],
        "packet_chat": [
          "container",
          [
            {
              "name": "message",
              "type": "string"
            }
          ]
        ],
        "packet_client_command": [
          "container",
          [
            {
              "name": "actionId",
              "type": "varint"
            }
          ]
        ],
        "packet_settings": [
          "container",
          [
            {
              "name": "locale",
              "type": "string"
            },
            {
              "name": "viewDistance",
              "type": "i8"
            },
            {
              "name": "chatFlags",
              "type": "varint"
            },
            {
              "name": "chatColors",
              "type": "bool"
            },
            {
              "name": "skinParts",
              "type": "u8"
            },
            {
              "name": "mainHand",
              "type": "varint"
            }
          ]
        ],
        "packet_transaction": [
          "container",
          [
            {
              "name": "windowId",
              "type": "i8"
            },
            {
              "name": "action",
              "type": "i16"
            },
            {
              "name": "accepted",
              "type": "bool"
            }
          ]
        ],
        "packet_enchant_item": [
          "container",
          [
            {
              "name": "windowId",
              "type": "i8"
            },
            {
              "name": "enchantment",
              "type": "i8"
            }
          ]
        ],
        "packet_window_click": [
          "container",
          [
            {
              "name": "windowId",
              "type": "u8"
            },
            {
              "name": "slot",
              "type": "i16"
            },
            {
              "name": "mouseButton",
              "type": "i8"
            },
            {
              "name": "action",
              "type": "i16"
            },
            {
              "name": "mode",
              "type": "i8"
            },
            {
              "name": "item",
              "type": "slot"
            }
          ]
        ],
        "packet_close_window": [
          "container",
          [
            {
              "name": "windowId",
              "type": "u8"
            }
          ]
        ],
        "packet_custom_payload": [
          "container",
          [
            {
              "name": "channel",
              "type": "string"
            },
            {
              "name": "data",
              "type": "restBuffer"
            }
          ]
        ],
        "packet_use_entity": [
          "container",
          [
            {
              "name": "target",
              "type": "varint"
            },
            {
              "name": "mouse",
              "type": "varint"
            },
            {
              "name": "x",
              "type": [
                "switch",
                {
                  "compareTo": "mouse",
                  "fields": {
                    "2": "f32"
                  },
                  "default": "void"
                }
              ]
            },
            {
              "name": "y",
              "type": [
                "switch",
                {
                  "compareTo": "mouse",
                  "fields": {
                    "2": "f32"
                  },
                  "default": "void"
                }
              ]
            },
            {
              "name": "z",
              "type": [
                "switch",
                {
                  "compareTo": "mouse",
                  "fields": {
                    "2": "f32"
                  },
                  "default": "void"
                }
              ]
            },
            {
              "name": "hand",
              "type": [
                "switch",
                {
                  "compareTo": "mouse",
                  "fields": {
                    "0": "varint",
                    "2": "varint"
                  },
                  "default": "void"
                }
              ]
            },
            {
              "name": "sneaking",
              "type": "bool"
            }
          ]
        ],
        "packet_generate_structure": [
          "container",
          [
            {
              "name": "location",
              "type": "position"
            },
            {
              "name": "levels",
              "type": "varint"
            },
            {
              "name": "keepJigsaws",
              "type": "bool"
            }
          ]
        ],
        "packet_keep_alive": [
          "container",
          [
            {
              "name": "keepAliveId",
              "type": "i64"
            }
          ]
        ],
        "packet_lock_difficulty": [
          "container",
          [
            {
              "name": "locked",
              "type": "bool"
            }
          ]
        ],
        "packet_position": [
          "container",
          [
            {
              "name": "x",
              "type": "f64"
            },
            {
              "name": "y",
              "type": "f64"
            },
            {
              "name": "z",
              "type": "f64"
            },
            {
              "name": "onGround",
              "type": "bool"
            }
          ]
        ],
        "packet_position_look": [
          "container",
          [
            {
              "name": "x",
              "type": "f64"
            },
            {
              "name": "y",
              "type": "f64"
            },
            {
              "name": "z",
              "type": "f64"
            },
            {
              "name": "yaw",
              "type": "f32"
            },
            {
              "name": "pitch",
              "type": "f32"
            },
            {
              "name": "onGround",
              "type": "bool"
            }
          ]
        ],
        "packet_look": [
          "container",
          [
            {
              "name": "yaw",
              "type": "f32"
            },
            {
              "name": "pitch",
              "type": "f32"
            },
            {
              "name": "onGround",
              "type": "bool"
            }
          ]
        ],
        "packet_flying": [
          "container",
          [
            {
              "name": "onGround",
              "type": "bool"
            }
          ]
        ],
        "packet_vehicle_move": [
          "container",
          [
            {
              "name": "x",
              "type": "f64"
            },
            {
              "name": "y",
              "type": "f64"
            },
            {
              "name": "z",
              "type": "f64"
            },
            {
              "name": "yaw",
              "type": "f32"
            },
            {
              "name": "pitch",
              "type": "f32"
            }
          ]
        ],
        "packet_steer_boat": [
          "container",
          [
            {
              "name": "leftPaddle",
              "type": "bool"
            },
            {
              "name": "rightPaddle",
              "type": "bool"
            }
          ]
        ],
        "packet_craft_recipe_request": [
          "container",
          [
            {
              "name": "windowId",
              "type": "i8"
            },
            {
              "name": "recipe",
              "type": "string"
            },
            {
              "name": "makeAll",
              "type": "bool"
            }
          ]
        ],
        "packet_abilities": [
          "container",
          [
            {
              "name": "flags",
              "type": "i8"
            }
          ]
        ],
        "packet_block_dig": [
          "container",
          [
            {
              "name": "status",
              "type": "varint"
            },
            {
              "name": "location",
              "type": "position"
            },
            {
              "name": "face",
              "type": "i8"
            }
          ]
        ],
        "packet_entity_action": [
          "container",
          [
            {
              "name": "entityId",
              "type": "varint"
            },
            {
              "name": "actionId",
              "type": "varint"
            },
            {
              "name": "jumpBoost",
              "type": "varint"
            }
          ]
        ],
        "packet_steer_vehicle": [
          "container",
          [
            {
              "name": "sideways",
              "type": "f32"
            },
            {
              "name": "forward",
              "type": "f32"
            },
            {
              "name": "jump",
              "type": "u8"
            }
          ]
        ],
        "packet_crafting_book_data": [
          "container",
          [
            {
              "name": "type",
              "type": "varint"
            },
            {
              "anon":true,
              "type":[
                "switch",
                {
                  "compareTo":"type",
                  "fields":{
                    "0":[
                      "container",
                      [
                        {
                          "name": "displayedRecipe",
                          "type": "string"
                        }
                      ]
                    ],
                    "1": [
                      "container",
                      [
                        {
                          "name": "craftingBookOpen",
                          "type": "bool"
                        },
                        {
                          "name": "craftingFilter",
                          "type": "bool"
                        },
                        {
                          "name": "smeltingBookOpen",
                          "type": "bool"
                        },
                        {
                          "name": "smeltingFilter",
                          "type": "bool"
                        },
                        {
                          "name": "blastingBookOpen",
                          "type": "bool"
                        },
                        {
                          "name": "blastingFilter",
                          "type": "bool"
                        },
                        {
                          "name": "smokingBookOpen",
                          "type": "bool"
                        },
                        {
                          "name": "smokingFilter",
                          "type": "bool"
                        }
                      ]
                    ]
                  }
                }
              ]
            }
          ]
        ],
        "packet_resource_pack_receive": [
          "container",
          [
            {
              "name": "result",
              "type": "varint"
            }
          ]
        ],
        "packet_held_item_slot": [
          "container",
          [
            {
              "name": "slotId",
              "type": "i16"
            }
          ]
        ],
        "packet_set_creative_slot": [
          "container",
          [
            {
              "name": "slot",
              "type": "i16"
            },
            {
              "name": "item",
              "type": "slot"
            }
          ]
        ],
        "packet_update_jigsaw_block": [
          "container",
          [
            {
              "name": "location",
              "type": "position"
            },
            {
              "name": "name",
              "type": "string"
            },
            {
              "name": "target",
              "type": "string"
            },
            {
              "name": "pool",
              "type": "string"
            },
            {
              "name": "finalState",
              "type": "string"
            },
            {
              "name": "jointType",
              "type": "string"
            }
          ]
        ],
        "packet_update_sign": [
          "container",
          [
            {
              "name": "location",
              "type": "position"
            },
            {
              "name": "text1",
              "type": "string"
            },
            {
              "name": "text2",
              "type": "string"
            },
            {
              "name": "text3",
              "type": "string"
            },
            {
              "name": "text4",
              "type": "string"
            }
          ]
        ],
        "packet_arm_animation": [
          "container",
          [
            {
              "name": "hand",
              "type": "varint"
            }
          ]
        ],
        "packet_spectate": [
          "container",
          [
            {
              "name": "target",
              "type": "UUID"
            }
          ]
        ],
        "packet_block_place": [
          "container",
          [
            {
              "name": "hand",
              "type": "varint"
            },
            {
              "name": "location",
              "type": "position"
            },
            {
              "name": "direction",
              "type": "varint"
            },
            {
              "name": "cursorX",
              "type": "f32"
            },
            {
              "name": "cursorY",
              "type": "f32"
            },
            {
              "name": "cursorZ",
              "type": "f32"
            },
            {
              "name": "insideBlock",
              "type": "bool"
            }
          ]
        ],
        "packet_use_item": [
          "container",
          [
            {
              "name": "hand",
              "type": "varint"
            }
          ]
        ],
        "packet_advancement_tab": [
          "container",
          [
            {
              "name": "action",
              "type": "varint"
            },
            {
              "name": "tabId",
              "type": [
                "switch",
                {
                  "compareTo":"action",
                  "fields": {
                    "0": "string",
                    "1": "void"
                  }
                }
              ]
            }
          ]
        ],
        "packet": [
          "container",
          [
            {
              "name": "name",
              "type": [
                "mapper",
                {
                  "type": "varint",
                  "mappings": {
                    "0x00": "teleport_confirm",
                    "0x01": "query_block_nbt",
                    "0x02": "set_difficulty",
                    "0x03": "chat",
                    "0x04": "client_command",
                    "0x05": "settings",
                    "0x06": "tab_complete",
                    "0x07": "transaction",
                    "0x08": "enchant_item",
                    "0x09": "window_click",
                    "0x0a": "close_window",
                    "0x0b": "custom_payload",
                    "0x0c": "edit_book",
                    "0x0d": "query_entity_nbt",
                    "0x0e": "use_entity",
                    "0x0f": "generate_structure",
                    "0x10": "keep_alive",
                    "0x11": "lock_difficulty",
                    "0x12": "position",
                    "0x13": "position_look",
                    "0x14": "look",
                    "0x15": "flying",
                    "0x16": "vehicle_move",
                    "0x17": "steer_boat",
                    "0x18": "pick_item",
                    "0x19": "craft_recipe_request",
                    "0x1a": "abilities",
                    "0x1b": "block_dig",
                    "0x1c": "entity_action",
                    "0x1d": "steer_vehicle",
                    "0x1e": "crafting_book_data",
                    "0x1f": "name_item",
                    "0x20": "resource_pack_receive",
                    "0x21": "advancement_tab",
                    "0x22": "select_trade",
                    "0x23": "set_beacon_effect",
                    "0x24": "held_item_slot",
                    "0x25": "update_command_block",
                    "0x26": "update_command_block_minecart",
                    "0x27": "set_creative_slot",
                    "0x28": "update_jigsaw_block",
                    "0x29": "update_structure_block",
                    "0x2a": "update_sign",
                    "0x2b": "arm_animation",
                    "0x2c": "spectate",
                    "0x2d": "block_place",
                    "0x2e": "use_item"
                  }
                }
              ]
            },
            {
              "name": "params",
              "type": [
                "switch",
                {
                  "compareTo": "name",
                  "fields": {
                    "teleport_confirm": "packet_teleport_confirm",
                    "query_block_nbt": "packet_query_block_nbt",
                    "set_difficulty": "packet_set_difficulty",
                    "edit_book": "packet_edit_book",
                    "query_entity_nbt": "packet_query_entity_nbt",
                    "pick_item": "packet_pick_item",
                    "name_item": "packet_name_item",
                    "select_trade": "packet_select_trade",
                    "set_beacon_effect": "packet_set_beacon_effect",
                    "update_command_block": "packet_update_command_block",
                    "update_command_block_minecart": "packet_update_command_block_minecart",
                    "update_structure_block": "packet_update_structure_block",
                    "tab_complete": "packet_tab_complete",
                    "chat": "packet_chat",
                    "client_command": "packet_client_command",
                    "settings": "packet_settings",
                    "transaction": "packet_transaction",
                    "enchant_item": "packet_enchant_item",
                    "window_click": "packet_window_click",
                    "close_window": "packet_close_window",
                    "custom_payload": "packet_custom_payload",
                    "use_entity": "packet_use_entity",
                    "generate_structure": "packet_generate_structure",
                    "keep_alive": "packet_keep_alive",
                    "lock_difficulty": "packet_lock_difficulty",
                    "position": "packet_position",
                    "position_look": "packet_position_look",
                    "look": "packet_look",
                    "flying": "packet_flying",
                    "vehicle_move": "packet_vehicle_move",
                    "steer_boat": "packet_steer_boat",
                    "craft_recipe_request": "packet_craft_recipe_request",
                    "abilities": "packet_abilities",
                    "block_dig": "packet_block_dig",
                    "entity_action": "packet_entity_action",
                    "steer_vehicle": "packet_steer_vehicle",
                    "crafting_book_data": "packet_crafting_book_data",
                    "resource_pack_receive": "packet_resource_pack_receive",
                    "held_item_slot": "packet_held_item_slot",
                    "set_creative_slot": "packet_set_creative_slot",
                    "update_jigsaw_block": "packet_update_jigsaw_block",
                    "update_sign": "packet_update_sign",
                    "arm_animation": "packet_arm_animation",
                    "spectate": "packet_spectate",
                    "block_place": "packet_block_place",
                    "use_item": "packet_use_item",
                    "advancement_tab": "packet_advancement_tab"
                  }
                }
              ]
            }
          ]
        ]
      }
    }
  }
}