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| − | This page documents the changes from the [[Protocol|last stable Minecraft release]] (currently 1.2.5) to the current pre-release (or weekly release).
| + | There is currently a pre-release version available: 1.21-pre2, but it has not yet been documented. 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. |
| | | | |
| − | == New packets ==
| + | 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. |
| | | | |
| − | === Tab-complete (0xCB) === | + | == Contents == |
| | | | |
| − | ''Two-way''
| + | <div style="float:right;">__TOC__</div> |
| | | | |
| − | Sent C->S when the user presses [tab] while writing text. The payload contains all text behind the cursor.
| + | === Data types === |
| | | | |
| − | The server responds with an auto-completion of the last word sent to it. In the case of regular chat, this is a player username. Command names and parameters are also supported.
| + | No changes so far. |
| | | | |
| − | In the event of more than one possible completion, the server responds with the options packed into the single string field, separated by a null character. Note that as strings are UTF-16, this is two bytes wide.
| + | === Packets === |
| | | | |
| − | {| class="wikitable"
| + | No changes so far. |
| − | |- class="row0"
| |
| − | ! class="col0" | Packet ID
| |
| − | ! class="col1" | Field Name
| |
| − | ! class="col2" | Field Type
| |
| − | ! class="col3" | Example
| |
| − | ! class="col4" | Notes
| |
| − | |- class="row1"
| |
| − | | class="col0 centeralign" | 0xCB
| |
| − | | class="col1 centeralign" | Text
| |
| − | | class="col2 centeralign" | string
| |
| − | | class="col3 centeralign" |
| |
| − | | class="col4" |
| |
| − | |- class="row3"
| |
| − | ! class="col0" | Total Size:
| |
| − | | class="col1 rightalign" colspan="4" | 3 bytes + length of string
| |
| − | |}
| |
| | | | |
| − | === Locale and View Distance (0xCC) ===
| + | [[Category:Minecraft Modern]] |
| − | | |
| − | ''Client to server''
| |
| − | | |
| − | Sent when the player connects, or when settings are changed.
| |
| − | | |
| − | {| class="wikitable"
| |
| − | |- class="row0"
| |
| − | ! class="col0" | Packet ID
| |
| − | ! class="col1" | Field Name
| |
| − | ! class="col2" | Field Type
| |
| − | ! class="col3" | Example
| |
| − | ! class="col4" | Notes
| |
| − | |- class="row1"
| |
| − | | class="col0 centeralign" rowspan="4" | 0xCC
| |
| − | | class="col1 centeralign" | Locale
| |
| − | | class="col2 centeralign" | string
| |
| − | | class="col3 centeralign" | en_GB
| |
| − | |- class="row2"
| |
| − | | class="col1 centeralign" | View distance
| |
| − | | class="col2 centeralign" | byte
| |
| − | | class="col3 centeralign" | 0
| |
| − | | class="col4" | 0-3 for 'far', 'normal', 'short', 'tiny'.
| |
| − | |- class="row3"
| |
| − | | class="col1 centeralign" | Chat flags
| |
| − | | class="col2 centeralign" | byte
| |
| − | | class="col3 centeralign" | 8
| |
| − | | class="col4" | Bit field. 0: chat enabled, 2: colors enabled
| |
| − | |- class="row4"
| |
| − | | class="col1 centeralign" | Unknown
| |
| − | | class="col2 centeralign" | byte
| |
| − | | class="col3 centeralign" | 0
| |
| − | | class="col4 centeralign" | First three bits(bitmask 0x7) are used as a number, bit four(bitmask 0x8) is used as bool
| |
| − | |- class="row5"
| |
| − | ! class="col0" | Total Size:
| |
| − | | class="col1 rightalign" colspan="4" | 8 bytes + length of string
| |
| − | |}
| |
| − | | |
| − | === Encryption Key Response (0xFC) ===
| |
| − | | |
| − | ''Two-Way''
| |
| − | | |
| − | See [[Protocol Encryption]] for information on this packet.
| |
| − | | |
| − | {| class="wikitable"
| |
| − | |- class="row0"
| |
| − | ! class="col0" | Packet ID
| |
| − | ! class="col1" | Field Name
| |
| − | ! class="col2" | Field Type
| |
| − | ! class="col3" | Example
| |
| − | ! class="col4" | Notes
| |
| − | |- class="row1"
| |
| − | | class="col0 centeralign" rowspan="4" | 0xFC
| |
| − | | class="col1 centeralign" | Shared secret length
| |
| − | | class="col2 centeralign" | short
| |
| − | | class="col3 centeralign" |
| |
| − | | class="col4 centeralign" |
| |
| − | |- class="row2"
| |
| − | | class="col1 centeralign" | Shared secret
| |
| − | | class="col2 centeralign" | byte array
| |
| − | | class="col3 centeralign" |
| |
| − | | class="col4 centeralign" |
| |
| − | |- class="row3"
| |
| − | | class="col1 centeralign" | Verify token length
| |
| − | | class="col2 centeralign" | short
| |
| − | | class="col3 centeralign" |
| |
| − | | class="col4 centeralign" |
| |
| − | |- class="row4"
| |
| − | | class="col1 centeralign" | Verify token response
| |
| − | | class="col2 centeralign" | byte array
| |
| − | | class="col3 centeralign" |
| |
| − | | class="col4 centeralign" |
| |
| − | |- class="row5"
| |
| − | ! class="col0" | Total Size:
| |
| − | | class="col1 rightalign" colspan="4" | 5 bytes + length of shared secret + length of token
| |
| − | |}
| |
| − | | |
| − | === Encryption Key Request (0xFD) ===
| |
| − | | |
| − | ''Server to client''
| |
| − | | |
| − | See [[Protocol Encryption]] for information on this packet.
| |
| − | | |
| − | {| class="wikitable"
| |
| − | |- class="row0"
| |
| − | ! class="col0" | Packet ID
| |
| − | ! class="col1" | Field Name
| |
| − | ! class="col2" | Field Type
| |
| − | ! class="col3" | Example
| |
| − | ! class="col4" | Notes
| |
| − | |- class="row1"
| |
| − | | class="col0 centeralign" rowspan="5" | 0xFD
| |
| − | | class="col1 centeralign" | Server id
| |
| − | | class="col2 centeralign" | string
| |
| − | | class="col3 centeralign" |
| |
| − | | class="col4 centeralign" |
| |
| − | |- class="row2"
| |
| − | | class="col1 centeralign" | Public key length
| |
| − | | class="col2 centeralign" | short
| |
| − | | class="col3 centeralign" |
| |
| − | | class="col4 centeralign" |
| |
| − | |- class="row3"
| |
| − | | class="col1 centeralign" | Public key
| |
| − | | class="col2 centeralign" | byte array
| |
| − | | class="col3 centeralign" |
| |
| − | | class="col4 centeralign" |
| |
| − | |- class="row4"
| |
| − | | class="col1 centeralign" | Verify token length
| |
| − | | class="col2 centeralign" | short
| |
| − | | class="col3 centeralign" |
| |
| − | | class="col4 centeralign" |
| |
| − | |- class="row4"
| |
| − | | class="col1 centeralign" | Verify token
| |
| − | | class="col2 centeralign" | byte array
| |
| − | | class="col3 centeralign" |
| |
| − | | class="col4 centeralign" |
| |
| − | |- class="row5"
| |
| − | ! class="col0" | Total Size:
| |
| − | | class="col1 rightalign" colspan="4" | 7 bytes + length of string + length of key + length of token
| |
| − | |}
| |
| − | | |
| − | === Named Sound Effect (0x3E) ===
| |
| − | | |
| − | ''Server to client''
| |
| − | | |
| − | Used to play a sound effect on the client.
| |
| − | | |
| − | {| class="wikitable"
| |
| − | |- class="row0"
| |
| − | ! class="col0" | Packet ID
| |
| − | ! class="col1" | Field Name
| |
| − | ! class="col2" | Field Type
| |
| − | ! class="col3" | Example
| |
| − | ! class="col4" | Notes
| |
| − | |- class="row1"
| |
| − | | class="col0 centeralign" rowspan="6" | 0x3E
| |
| − | | class="col1 centeralign" | Sound name
| |
| − | | class="col2 centeralign" | string
| |
| − | | class="col3 centeralign" | step.grass
| |
| − | | class="col4 centeralign" | 250
| |
| − | |- class="row2"
| |
| − | | class="col1 centeralign" | Effect position X
| |
| − | | class="col2 centeralign" | int
| |
| − | | class="col3 centeralign" | 250
| |
| − | | class="col4 centeralign" | effect X multiplied by 8
| |
| − | |- class="row3"
| |
| − | | class="col1 centeralign" | Effect position Y
| |
| − | | class="col2 centeralign" | int
| |
| − | | class="col3 centeralign" | 250
| |
| − | | class="col4 centeralign" | effect Y multiplied with 8
| |
| − | |- class="row4"
| |
| − | | class="col1 centeralign" | Effect position Z
| |
| − | | class="col2 centeralign" | int
| |
| − | | class="col3 centeralign" | 250
| |
| − | | class="col4 centeralign" | effect Z multiplied with 8
| |
| − | |- class="row5"
| |
| − | | class="col1 centeralign" | Volume
| |
| − | | class="col2 centeralign" | byte
| |
| − | | class="col3 centeralign" | 9
| |
| − | | class="col4 centeralign" | 63 is 100%, can be more
| |
| − | |- class="row6"
| |
| − | | class="col1 centeralign" | Pitch
| |
| − | | class="col2 centeralign" | byte
| |
| − | | class="col3 centeralign" | 63
| |
| − | | class="col4 centeralign" | 63 is 100%, can be more
| |
| − | |- class="row7"
| |
| − | ! class="col0" | Total Size:
| |
| − | | class="col1 rightalign" colspan="4" | 17 bytes + length of string
| |
| − | |}
| |
| − | | |
| − | === Block Break Animation (0x37) ===
| |
| − | | |
| − | {| class="wikitable"
| |
| − | |- class="row0"
| |
| − | ! class="col0" | Packet ID
| |
| − | ! class="col1" | Field Name
| |
| − | ! class="col2" | Field Type
| |
| − | ! class="col3" | Example
| |
| − | ! class="col4" | Notes
| |
| − | |- class="row1"
| |
| − | | class="col0 centeralign" rowspan=5 | 0x37
| |
| − | | class="col1 centeralign" | EID?
| |
| − | | class="col2 centeralign" | int
| |
| − | | class="col3 centeralign" |
| |
| − | | class="col4" | Entity breaking the block?
| |
| − | |- class="row2"
| |
| − | | class="col1 centeralign" | X
| |
| − | | class="col2 centeralign" | int
| |
| − | | class="col3 centeralign" |
| |
| − | | class="col4" rowspan=3 | Block position
| |
| − | |- class="row2"
| |
| − | | class="col1 centeralign" | Y
| |
| − | | class="col2 centeralign" | int
| |
| − | | class="col3 centeralign" |
| |
| − | |- class="row2"
| |
| − | | class="col1 centeralign" | Z
| |
| − | | class="col2 centeralign" | int
| |
| − | | class="col3 centeralign" |
| |
| − | |- class="row3"
| |
| − | | class="col1 centeralign" | Unknown
| |
| − | | class="col2 centeralign" | byte
| |
| − | | class="col3 centeralign" | 1
| |
| − | | class="col4" | ?
| |
| − | |- class="row2"
| |
| − | ! class="col0" | Total Size:
| |
| − | | class="col1 rightalign" colspan="4" | 4 bytes
| |
| − | |}
| |
| − | | |
| − | == Changed packets ==
| |
| − | | |
| − | === Login Request (0x01) ===
| |
| − | | |
| − | ''Two-Way''
| |
| − | | |
| − | See [[Protocol Encryption]] for information on logging in.
| |
| − | | |
| − | '''Client to Server'''
| |
| − | | |
| − | Just 1 byte C->S
| |
| − | | |
| − | {| class="wikitable"
| |
| − | |- class="row0"
| |
| − | ! class="col0" | Packet ID
| |
| − | |- class="row1"
| |
| − | | class="col0 centeralign" | 0x01
| |
| − | |}
| |
| − | | |
| − | '''Server to Client'''
| |
| − | | |
| − | {| class="wikitable"
| |
| − | |- class="row0"
| |
| − | ! class="col0" | Packet ID
| |
| − | ! class="col1" | Field Name
| |
| − | ! class="col2" | Field Type
| |
| − | ! class="col3" | Example
| |
| − | ! class="col4" | Notes
| |
| − | |- class="row1"
| |
| − | | class="col0 centeralign" rowspan="7" | 0x01
| |
| − | | class="col1 centeralign" | Entity ID
| |
| − | | class="col2 centeralign" | int
| |
| − | | class="col3 centeralign" | <code>1298</code>
| |
| − | | class="col4" | The Players Entity ID
| |
| − | |- class="row2"
| |
| − | | class="col0 centeralign" | Level Type
| |
| − | | class="col1 centeralign" | string
| |
| − | | class="col2 centeralign" | default
| |
| − | | class="col3" | default or SUPERFLAT; level-type in server.properties
| |
| − | |- class="row3"
| |
| − | | class="col0 centeralign" | Server mode
| |
| − | | class="col1 centeralign" | byte
| |
| − | | class="col2 centeralign" | <code>0</code>
| |
| − | | class="col3" | 0 for survival, 1 for creative
| |
| − | |- class="row4"
| |
| − | | class="col0 centeralign" | Dimension
| |
| − | | class="col1 centeralign" | byte
| |
| − | | class="col2 centeralign" | <code>0</code>
| |
| − | | class="col3" | <code>-1</code>: The Nether, <code>0</code>: The Overworld, <code>1</code>: The End
| |
| − | |- class="row5"
| |
| − | | class="col0 centeralign" | Difficulty
| |
| − | | class="col1 centeralign" | byte
| |
| − | | class="col2 centeralign" | <code>1</code>
| |
| − | | class="col3" | <code>0</code> thru <code>3</code> for Peaceful, Easy, Normal, Hard
| |
| − | |- class="row6"
| |
| − | | class="col0 centeralign" | Not used
| |
| − | | class="col1 centeralign" | unsigned byte
| |
| − | | class="col2 centeralign" | <code>0</code>
| |
| − | | class="col3" | Only 0 observed from vanilla server, was previously world height
| |
| − | |- class="row7"
| |
| − | | class="col0 centeralign" | Max players
| |
| − | | class="col1 centeralign" | unsigned byte
| |
| − | | class="col2 centeralign" | <code>8</code>
| |
| − | | class="col3" | Used by the client to draw the player list
| |
| − | |- class="row8"
| |
| − | ! class="col0" | Total Size:
| |
| − | | class="col1 rightalign" colspan="4" | 12 bytes + length of strings
| |
| − | |}
| |
| − | | |
| − | === Handshake (0x02) ===
| |
| − | | |
| − | ''Client to server''
| |
| − | | |
| − | See [[Protocol Encryption]] for information on logging in.
| |
| − | | |
| − | {| class="wikitable"
| |
| − | |- class="row0"
| |
| − | ! class="col0" | Packet ID
| |
| − | ! class="col1" | Field Name
| |
| − | ! class="col2" | Field Type
| |
| − | ! class="col3" | Example
| |
| − | ! class="col4" | Notes
| |
| − | |- class="row1"
| |
| − | | class="col0 centeralign" rowspan="4" | 0x02
| |
| − | | class="col1 centeralign" | Protocol Version
| |
| − | | class="col2 centeralign" | byte
| |
| − | | class="col3 centeralign" | <code>32</code>
| |
| − | | class="col4" |
| |
| − | |- class="row2"
| |
| − | | class="col1 centeralign" | Username
| |
| − | | class="col2 centeralign" | string
| |
| − | | class="col3 centeralign" | <code>TkTech</code>
| |
| − | | class="col4" | The username of the player attempting to connect
| |
| − | |- class="row3"
| |
| − | | class="col1 centeralign" | Server Host
| |
| − | | class="col2 centeralign" | string
| |
| − | | class="col3 centeralign" | <code>localhost</code>
| |
| − | | class="col4" |
| |
| − | |- class="row4"
| |
| − | | class="col1 centeralign" | Server Port
| |
| − | | class="col2 centeralign" | int
| |
| − | | class="col3 centeralign" | <code>25565</code>
| |
| − | | class="col4" |
| |
| − | |- class="row5"
| |
| − | ! class="col0" | Total Size:
| |
| − | | class="col1 rightalign" colspan="4" | 10 bytes + length of strings
| |
| − | |}
| |
| − | | |
| − | === Entity Equipment (0x05) ===
| |
| − | | |
| − | ''Server to Client''
| |
| − | | |
| − | {| class="wikitable"
| |
| − | |- class="row0"
| |
| − | ! class="col0" | Packet ID
| |
| − | ! class="col1" | Field Name
| |
| − | ! class="col2" | Field Type
| |
| − | ! class="col3" | Example
| |
| − | ! class="col4" | Notes
| |
| − | |- class="row1"
| |
| − | | class="col0 centeralign" rowspan="3" | 0x05
| |
| − | | class="col1 centeralign" | Entity ID
| |
| − | | class="col2 centeralign" | int
| |
| − | | class="col3 centeralign" | 0x00010643
| |
| − | | class="col4" | Named Entity ID
| |
| − | |- class="row2"
| |
| − | | class="col0 centeralign" | Slot
| |
| − | | class="col1 centeralign" | short
| |
| − | | class="col2 centeralign" | 4
| |
| − | | class="col3" | Equipment slot: 0=held, 1-4=armor slot
| |
| − | |- class="row3"
| |
| − | | class="col0 centeralign" | Item
| |
| − | | class="col1 centeralign" | slot
| |
| − | | class="col2 centeralign" |
| |
| − | | class="col3" | Item in slot format
| |
| − | |- class="row5"
| |
| − | ! class="col0" | Total Size:
| |
| − | | class="col1 rightalign" colspan="4" | 11 bytes
| |
| − | |}
| |
| − | | |
| − | === Respawn (0x09) ===
| |
| − | | |
| − | ''Two-Way''
| |
| − | | |
| − | Sent by the client when the player presses the "Respawn" button after dying. The server then teleports the user to the spawn point, and sends a respawn packet in response. The client will not leave the respawn screen until it receives a respawn packet.
| |
| − | | |
| − | To change the player's dimension (overworld/nether/end), send them a respawn packet with the appropriate dimension, followed by prechunks/chunks for the new dimension, and finally a position and look packet. You do not need to unload chunks, the client will do it automatically.
| |
| − | | |
| − | '''Client to Server'''
| |
| − | | |
| − | {| class="wikitable"
| |
| − | |- class="row0"
| |
| − | ! class="col0" | Packet ID
| |
| − | |- class="row1"
| |
| − | | class="col0 centeralign" | 0x09
| |
| − | |}
| |
| − | | |
| − | '''Server to Client'''
| |
| − | | |
| − | {| class="wikitable"
| |
| − | |- class="row0"
| |
| − | ! class="col0" | Packet ID
| |
| − | ! class="col1" | Field Name
| |
| − | ! class="col2" | Field Type
| |
| − | ! class="col3" | Example
| |
| − | ! class="col4" | Notes
| |
| − | |- class="row1"
| |
| − | | class="col0 centeralign" rowspan="5" | 0x09
| |
| − | | class="col1 centeralign" | Dimension
| |
| − | | class="col2 centeralign" | int
| |
| − | | class="col3 centeralign" | <code>1</code>
| |
| − | | class="col4" | <code>-1</code>: The Nether, <code>0</code>: The Overworld, <code>1</code>: The End
| |
| − | |- class="row2"
| |
| − | | class="col1 centeralign" | Difficulty
| |
| − | | class="col2 centeralign" | byte
| |
| − | | class="col3 centeralign" | <code>1</code>
| |
| − | | class="col4" | <code>0</code> thru <code>3</code> for Peaceful, Easy, Normal, Hard. <code>1</code> is always sent c->s
| |
| − | |- class="row3"
| |
| − | | class="col1 centeralign" | Creative mode
| |
| − | | class="col2 centeralign" | byte
| |
| − | | class="col3 centeralign" | <code>1</code>
| |
| − | | class="col4" | <code>0</code> for survival, <code>1</code> for creative.
| |
| − | |- class="row4"
| |
| − | | class="col1 centeralign" | World height
| |
| − | | class="col2 centeralign" | short
| |
| − | | class="col3 centeralign" | <code>256</code>
| |
| − | | class="col4" | Defaults to <code>256</code>
| |
| − | |- class="row5"
| |
| − | | class="col1 centeralign" | Level Type
| |
| − | | class="col2 centeralign" | string
| |
| − | | class="col3 centeralign" | default
| |
| − | | class="col4" | See [[#0x01|0x01 login]]
| |
| − | |- class="row6"
| |
| − | ! class="col0" | Total Size:
| |
| − | | class="col1 rightalign" colspan="4" | 11 bytes + length of string
| |
| − | |}
| |
| − | | |
| − | === Spawn Object/Vehicle (0x17) ===
| |
| − | | |
| − | ''Server to Client''
| |
| − | | |
| − | Sent by the server when an Object/Vehicle is created. The throwers entity id is now used for fishing floats too.
| |
| − | | |
| − | {| class="wikitable"
| |
| − | |- class="row0"
| |
| − | ! class="col0" | Packet ID
| |
| − | ! class="col1" | Field Name
| |
| − | ! class="col2" | Field Type
| |
| − | ! class="col3" | Example
| |
| − | ! class="col4" | Notes
| |
| − | |- class="row1"
| |
| − | | class="col0 centeralign" rowspan="9" | 0x17
| |
| − | | class="col1 centeralign" | EID
| |
| − | | class="col2 centeralign" | int
| |
| − | | class="col3 centeralign" | <code>62</code>
| |
| − | | class="col4" | Entity ID of the Object
| |
| − | |- class="row2"
| |
| − | | class="col0 centeralign" | Type
| |
| − | | class="col1 centeralign" | byte
| |
| − | | class="col2 centeralign" | <code>11</code>
| |
| − | | class="col3" | The type of object (see [[Entities#Objects]])
| |
| − | |- class="row3"
| |
| − | | class="col0 centeralign" | X
| |
| − | | class="col1 centeralign" | int
| |
| − | | class="col2 centeralign" | <code>16080</code>
| |
| − | | class="col3" | The Absolute Integer X Position of the object
| |
| − | |- class="row4"
| |
| − | | class="col0 centeralign" | Y
| |
| − | | class="col1 centeralign" | int
| |
| − | | class="col2 centeralign" | <code>2299</code>
| |
| − | | class="col3" | The Absolute Integer Y Position of the object
| |
| − | |- class="row5"
| |
| − | | class="col0 centeralign" | Z
| |
| − | | class="col1 centeralign" | int
| |
| − | | class="col2 centeralign" | <code>592</code>
| |
| − | | class="col3" | The Absolute Integer Z Position of the object
| |
| − | |- class="row6"
| |
| − | | class="col0 centeralign" | thrower's entity ID
| |
| − | | class="col1 centeralign" | int
| |
| − | | class="col2 centeralign" | <code>0</code>
| |
| − | | class="col3" | If this is bigger than 0, this is a entity trown by a other entity and the next 3 fields are sent.
| |
| − | |- class="row7"
| |
| − | | class="col0 centeralign" | Speed X
| |
| − | | class="col1 centeralign" | short
| |
| − | | class="col2 centeralign" | <code>0</code>
| |
| − | | class="col3" | Not sent if the thrower entity ID is 0. The speed of this entity along the X axis.
| |
| − | |- class="row5"
| |
| − | | class="col0 centeralign" | Speed Y
| |
| − | | class="col1 centeralign" | short
| |
| − | | class="col2 centeralign" | <code>0</code>
| |
| − | | class="col3" | Not sent if the thrower entity ID is 0. The speed of this entity along the Y axis.
| |
| − | |- class="row5"
| |
| − | | class="col0 centeralign" | Speed Z
| |
| − | | class="col1 centeralign" | short
| |
| − | | class="col2 centeralign" | <code>0</code>
| |
| − | | class="col3" | Not sent if the thrower entity ID is 0. The speed of this entity along the Z axis.
| |
| − | |- class="row6"
| |
| − | ! class="col0" | Total Size:
| |
| − | | class="col1 rightalign" colspan="4" | 22 or 28 bytes
| |
| − | |}
| |
| − | | |
| − | | |
| − | {{anchor|0x18}}
| |
| − | | |
| − | | |
| − | === Player Abilities (0xCA) ===
| |
| − | This packet changed with 12w17a. It now contains 3 booleans but the values of these 3 booleans are not currently known.
| |
| − | | |
| − | {| class="wikitable"
| |
| − | |- class="row0"
| |
| − | ! class="col0" | Packet ID
| |
| − | ! class="col1" | Field Name
| |
| − | ! class="col2" | Field Type
| |
| − | ! class="col3" | Example
| |
| − | ! class="col4" | Notes
| |
| − | |- class="row1"
| |
| − | | class="col0 centeralign" rowspan=4 | 0xCA
| |
| − | | class="col1 centeralign" | Flags
| |
| − | | class="col2 centeralign" | byte
| |
| − | | class="col3 centeralign" | 5
| |
| − | | class="col4" |
| |
| − | |- class="row2"
| |
| − | | class="col1 centeralign" | Walking speed
| |
| − | | class="col2 centeralign" | byte
| |
| − | | class="col3 centeralign" | 12
| |
| − | | class="col4" |
| |
| − | |- class="row3"
| |
| − | | class="col1 centeralign" | Flying speed
| |
| − | | class="col2 centeralign" | byte
| |
| − | | class="col3 centeralign" | 25
| |
| − | | class="col4" |
| |
| − | |- class="row2"
| |
| − | ! class="col0" | Total Size:
| |
| − | | class="col1 rightalign" colspan="4" | 4 bytes
| |
| − | |}
| |
| − | | |
| − | === Player Block Placement (0x0F) ===
| |
| − | | |
| − | {| class="wikitable"
| |
| − | |- class="row0"
| |
| − | ! class="col0" | Packet ID
| |
| − | ! class="col1" | Field Name
| |
| − | ! class="col2" | Field Type
| |
| − | ! class="col3" | Example
| |
| − | ! class="col4" | Notes
| |
| − | |- class="row1"
| |
| − | | class="col0 centeralign" rowspan="8" | 0x0F
| |
| − | | class="col1 centeralign" | X
| |
| − | | class="col2 centeralign" | int
| |
| − | | class="col3 centeralign" | <code>32</code>
| |
| − | | class="col4" | Block position
| |
| − | |- class="row2"
| |
| − | | class="col0 centeralign" | Y
| |
| − | | class="col1 centeralign" | unsigned byte
| |
| − | | class="col2 centeralign" | <code>64</code>
| |
| − | | class="col3" | Block position
| |
| − | |- class="row3"
| |
| − | | class="col0 centeralign" | Z
| |
| − | | class="col1 centeralign" | int
| |
| − | | class="col2 centeralign" | <code>32</code>
| |
| − | | class="col3 leftalign" | Block position
| |
| − | |- class="row4"
| |
| − | | class="col0 centeralign" | Direction
| |
| − | | class="col1 centeralign" | byte
| |
| − | | class="col2 centeralign" | <code>3</code>
| |
| − | | class="col3" | The offset to use for block/item placement (see below)
| |
| − | |- class="row5"
| |
| − | | class="col0 centeralign" | Held item
| |
| − | | class="col1 centeralign" | [[Slot_Data|slot]]
| |
| − | | class="col2 centeralign" |
| |
| − | | class="col3" |
| |
| − | |- class="row6"
| |
| − | | class="col0 centeralign" | Unknown
| |
| − | | class="col1 centeralign" | byte
| |
| − | | class="col2 centeralign" | <code>0 - 0x0B</code> (or more)
| |
| − | | class="col3" | ?
| |
| − | |- class="row6"
| |
| − | | class="col0 centeralign" | Unknown
| |
| − | | class="col1 centeralign" | byte
| |
| − | | class="col2 centeralign" | <code>0 - 0x10</code>
| |
| − | | class="col3" | ?
| |
| − | |- class="row6"
| |
| − | | class="col0 centeralign" | Unknown
| |
| − | | class="col1 centeralign" | byte
| |
| − | | class="col2 centeralign" | <code>0 - 0x10</code>
| |
| − | | class="col3" | ?
| |
| − | |- class="row9"
| |
| − | ! class="col0" | Total Size:
| |
| − | | class="col1 rightalign" colspan="4" | 11 bytes + slot data
| |
| − | |}
| |
| − | | |
| − | == Protocol History ==
| |
| − | | |
| − | === 2012-06-21 ===
| |
| − | * 12w25a
| |
| − | * Packet 0xFC and 0xFD include a 4 byte long byte array. This is hashed with the public RSA key and sent back. See [[Protocol Encryption]] for further info.
| |
| − | * Packet 0x3E changed to include float rather than byte.
| |
| − | | |
| − | === 2012-06-14 ===
| |
| − | * 12w24a
| |
| − | * Protocol version is now 36
| |
| − | * Changed Packet 0x01(Login Request), only used as Login Reply
| |
| − | * New Packet 0xCD used for Login Request and Respawn (1 byte payload)
| |
| − | * All items (except the empty hand) now send enchantment data
| |
| − | | |
| − | === 2012-06-07 ===
| |
| − | * 12w23b
| |
| − | * Protocol version is now 35
| |
| − | * Change packet: Player Block Placement
| |
| − | * New Packet: Block breaking animation
| |
| − | | |
| − | === 2012-05-24 ===
| |
| − | * 12w21a
| |
| − | * No packet changes but the algorithm was changed to AES128 with the shared key as the IV, will be described in [[Protocol Encryption]]
| |
| − | | |
| − | === 2012-05-10 ===
| |
| − | * 12w19a
| |
| − | * No packet changes, but an other encryption algorythm is used, described in [[Protocol Encryption]]
| |
| − | * The items which are not enchantable in 12w18a are now readded
| |
| − | * Fishing floats, spawned by a 0x17 packet do now use the extra fields
| |
| − | | |
| − | === 2012-05-03 ===
| |
| − | * 12w18a
| |
| − | * Protocol version is now 32
| |
| − | * New packet: 0x3D Name Sound Effect
| |
| − | * Changed packet: 0x01 Login Request
| |
| − | * Changed packet: 0x02 Handshake
| |
| − | * Changed packet: 0xCA Player Abilities
| |
| − | * Changed packet: 0xCC Locale and View Distance
| |
| − | * Changed packet: 0x09 Respawn
| |
| − | * Removed packet: 0x32 Map Column Allocation
| |
| − | * This items are not enchantable in this version: 0x103, 0x105, 0x15A, 0x167, 0x10C, 0x10D, 0x10E, 0x10F, 0x122, 0x110, 0x111, 0x112, 0x113, 0x123, 0x10B, 0x100, 0x101, 0x102, 0x124, 0x114, 0x115, 0x116, 0x117, 0x125, 0x11B, 0x11C, 0x11D, 0x11E, 0x126
| |
| − | | |
| − | === 2012-04-26 ===
| |
| − | * 12w17a
| |
| − | * Protocol version is now 31
| |
| − | * RC4 based encryption, described in [[Protocol Encryption]]
| |
| − | * Changed packet: 0x01 Login Request
| |
| − | * Changed packet: 0x02 Handshake
| |
| − | * Changed packet: 0xCC Locale and View Distance
| |
| − | * Changed packet: 0xCA Player Abilities
| |
| − | * New packet: 0xFC Encryption Key Response
| |
| − | * New packet: 0xFD Encryption Key Request
| |
| − | * New Item: Book & Quills (0x182) is enchantable
| |
| − | * New Item: Written Book (0x183) is enchantable
| |
| − | | |
| − | === 2012-04-19 ===
| |
| − | * 12w16a
| |
| − | * Protocol version is now 30
| |
| − | * New packet: 0xCB Tab-complete
| |
| − | * New packet: 0xCC Locale and View Distance
| |
