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| − | This page documents the changes from the [[Protocol|last stable Minecraft release]] (currently [[Protocol version numbers|1.11.2, protocol 316]]) to the current pre-release (currently [[Protocol version numbers|17w13a, protocol 318]]). Note that this page contains bleeding-edge information that may not be completely or correctly documented.
| + | There are currently no pre-release versions available to document on this page. For the latest stable Minecraft release, see the [[Protocol|Protocol]] page. For previous pre-release pages, see the [[Protocol version numbers|Protocol version numbers]] page. |
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| | One who wishes to commandeer the merging of this into [[Protocol]] when an update is made must be sure to respect any changes that may have occurred to the respective packets there. | | One who wishes to commandeer the merging of this into [[Protocol]] when an update is made must be sure to respect any changes that may have occurred to the respective packets there. |
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| | === Packets === | | === Packets === |
| − |
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| − | {| class="wikitable"
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| − | ! ID
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| − | ! Packet name
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| − | !colspan="2"| Documentation
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| − | |-
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| − | !colspan="4"| Handshaking serverbound
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| − | {{PacketList|0x00|Handshake}}
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| − | |-
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| − | |}
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| − |
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| − | == New/modified data types ==
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| − |
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| − | === Entity Metadata ===
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| − |
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| − | Note that entity metadata is a totally distinct concept from block metadata. It is not required to send all metadata fields, or even any metadata fields, so long as the terminating entry is correctly sent.
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| − |
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| − | Entity Metadata is an array of entries, each of which looks like the following:
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| − |
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| − | {| class="wikitable"
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| − | ! Name
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| − | ! Type
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| − | ! Meaning
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| − | |-
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| − | | Index
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| − | | Unsigned Byte
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| − | | Unique index key determining the meaning of the following value, see the table below. If this is <code>0xff</code> then the it is the end of the Entity Metadata array and no more is read.
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| − | |-
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| − | | Type
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| − | | Optional Byte Enum
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| − | | Only if Index is not <code>0xff</code>; the type of the index, see the table below
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| − | |-
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| − | | Value
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| − | | Optional ''value of Type''
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| − | | Only if Index is not <code>0xff</code>: the value of the metadata field
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| − | |}
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| − |
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| − | {| class="wikitable"
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| − | ! Value of Type field
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| − | ! [[Data types|Type]] of Value field
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| − | ! Notes
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| − | |-
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| − | | 0
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| − | | Byte
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| − | |
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| − | |-
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| − | | 1
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| − | | VarInt
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| − | |
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| − | |-
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| − | | 2
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| − | | Float
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| − | |
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| − | |-
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| − | | 3
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| − | | String
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| − | |
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| − | |-
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| − | | 4
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| − | | [[Chat]]
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| − | |
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| − | |-
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| − | | 5
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| − | | [[Slot]]
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| − | |
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| − | |-
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| − | | 6
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| − | | Boolean
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| − | |
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| − | |-
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| − | | 7
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| − | | Rotation
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| − | | 3 floats: rotation on x, rotation on y, rotation on z
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| − | |-
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| − | | 8
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| − | | [[Data Types#Position|Position]]
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| − | |
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| − | |-
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| − | | 9
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| − | | OptPosition (Boolean + Optional Position)
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| − | | Position is present if the Boolean is set to true
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| − | |-
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| − | | 10
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| − | | Direction (VarInt)
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| − | | (Down = 0, Up = 1, North = 2, South = 3, West = 4, East = 5)
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| − | |-
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| − | | 11
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| − | | OptUUID (Boolean + Optional UUID)
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| − | | UUID is present if the Boolean is set to true
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| − | |-
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| − | | 12
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| − | | OptBlockID (VarInt)
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| − | | 0 for absent otherwise, <code><nowiki>id << 4 | data</nowiki></code>
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| − | |-style="background-color: #d9ead3;"
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| − | | 13
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| − | | [[NBT|NBT Tag]]
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| − | |
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| − | |}
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| − |
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| − | Entity classes also recursively inherit fields from classes they extend.
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| − |
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| − | === Parrot ===
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| − |
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| − | Extends [[#TameableAnimal|TameableAnimal]].
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| − |
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| − | {| class="wikitable" style="background-color: #d9ead3;"
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| − | ! Index
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| − | ! Type
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| − | !style="width: 250px;" colspan="2"| Meaning
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| − | ! Default
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| − | |-
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| − | | 15
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| − | | VarInt
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| − | |colspan="2"| Variant (values ranging from 0 to 3)
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| − | | 0
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| − | |}
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| − |
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| − | === Player ===
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| − |
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| − | Extends [[#Living|Living]].
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| − |
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| − | {| class="wikitable"
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| − | ! Index
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| − | ! Type
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| − | !style="width: 250px;" colspan="2"| Meaning
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| − | ! Default
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| − | |-
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| − | | 11
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| − | | Float
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| − | |colspan="2"| Additional Hearts
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| − | | 0.0
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| − | |-
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| − | | 12
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| − | | VarInt
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| − | |colspan="2"| Score
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| − | | 0
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| − | |-
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| − | |rowspan="10"| 13
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| − | |rowspan="10"| Byte
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| − | |colspan="2"| The Displayed Skin Parts bit mask that is sent in [[Protocol#Client Settings|Client Settings]]
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| − | |rowspan="10"| 0
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| − | |-
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| − | ! Bit mask !! Meaning
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| − | |-
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| − | | 0x01 || Cape enabled
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| − | |-
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| − | | 0x02 || Jacket enabled
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| − | |-
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| − | | 0x04 || Left sleeve enabled
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| − | |-
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| − | | 0x08 || Right sleeve enabled
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| − | |-
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| − | | 0x10 || Left pants leg enabled
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| − | |-
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| − | | 0x20 || Right pants leg enabled
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| − | |-
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| − | | 0x40 || Hat enabled
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| − | |-
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| − | | 0x80 || ''Unused''
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| − | |-
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| − | | 14
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| − | | Byte
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| − | |colspan="2"| Main hand (0 : Left, 1 : Right)
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| − | | 1
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| − | |- style="background-color: #d9ead3;"
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| − | | 15
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| − | | NBT Tag
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| − | |colspan="2"|Left shoulder entity data
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| − | |
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| − | |- style="background-color: #d9ead3;"
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| − | | 16
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| − | | NBT Tag
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| − | |colspan="2"|Right shoulder entity data
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| − | |
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| − | |}
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| − |
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| − | == Block Actions ==
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| − |
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| − | No changes so far.
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| − |
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| − | == Plugin Channels ==
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| − |
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| − | No changes so far.
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| − |
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| − | == Handshaking ==
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| − |
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| − | === Clientbound ===
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| − |
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| − | No changes so far.
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| − |
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| − | === Serverbound ===
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| − |
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| − | No changes so far.
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| − |
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| − | ==== Handshake ====
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| − |
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| − | This causes the server to switch into the target state.
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| − |
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| − | {| class="wikitable"
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| − | ! Packet ID
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| − | ! State
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| − | ! Bound To
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| − | ! Field Name
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| − | ! Field Type
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| − | ! Notes
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| − | |-
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| − | |rowspan="4"| 0x00
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| − | |rowspan="4"| Handshaking
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| − | |rowspan="4"| Server
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| − | | Protocol Version
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| − | | VarInt
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| − | | See [[protocol version numbers]] (currently {{change|316|318}})
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| − | |-
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| − | | Server Address
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| − | | String
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| − | | Hostname or IP, e.g. localhost or 127.0.0.1, that was used to connect. The Notchian server does not use this information.
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| − | |-
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| − | | Server Port
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| − | | Unsigned Short
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| − | | Default is 25565. The Notchian server does not use this information.
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| − | |-
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| − | | Next State
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| − | | VarInt Enum
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| − | | 1 for [[#Status|status]], 2 for [[#Login|login]]
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| − | |}
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| − |
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| − | == Status ==
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| − |
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| − | === Clientbound ===
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| − |
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| − | No changes so far.
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| − |
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| − | === Serverbound ===
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| − |
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| − | No changes so far.
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| − |
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| − | == Login ==
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| − |
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| − | === Clientbound ===
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| − |
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| − | No changes so far.
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| − |
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| − | === Serverbound ===
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| | | | |
| | No changes so far. | | No changes so far. |
| | | | |
| | [[Category:Minecraft Modern]] | | [[Category:Minecraft Modern]] |
