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| − | This page documents the changes from the [[Protocol|last stable Minecraft release]] (currently [[Protocol version numbers|1.14.4, protocol 498]]) to the current pre-release (currently [[Protocol version numbers|19w34a, protocol 550]]). 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. |
| | | | |
| | 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 === |
| − |
| |
| − | {| class="wikitable"
| |
| − | ! ID
| |
| − | ! Packet name
| |
| − | !colspan="2"| Documentation
| |
| − | |-
| |
| − | !colspan="4"| Handshaking serverbound
| |
| − | {{PacketList|0x00|Handshake}}
| |
| − | |-
| |
| − | !colspan="4"| Play clientbound
| |
| − | {{PacketList|0x03|Spawn Mob}}
| |
| − | {{PacketList|0x05|Spawn Player}}
| |
| − | {{PacketList|{{change|0x5C|0x08}}|Player Digging|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x09|0x0A}}|Block Break Animation|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x0A|0x0B}}|Update Block Entity|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x0B|0x0C}}|Block Action|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x0C|0x0D}}|Block Change|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x0D|0x0E}}|Boss Bar|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x0E|0x0F}}|Server Difficulty|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x0F|0x10}}|Chat Message (clientbound)|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x10|0x11}}|Multi Block Change|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x11|0x12}}|Tab-Complete (clientbound)|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x12|0x13}}|Declare Commands|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x13|0x14}}|Confirm Transaction (clientbound)|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x14|0x15}}|Close Window (clientbound)|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x15|0x16}}|Window Items|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x16|0x17}}|Window Property|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x17|0x18}}|Set Slot|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x18|0x19}}|Set Cooldown|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x19|0x1A}}|Plugin Message (clientbound)|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x1A|0x1B}}|Named Sound Effect|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x1B|0x1C}}|Disconnect (play)|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x1C|0x1D}}|Entity Status|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x1D|0x1E}}|Explosion|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x1E|0x1F}}|Unload Chunk|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x1F|0x20}}|Change Game State|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x20|0x21}}|Open Horse Window|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x21|0x22}}|Keep Alive (clientbound)|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x22|0x23}}|Chunk Data|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x23|0x24}}|Effect|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x24|0x25}}|Particle|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x25|0x26}}|Update Light|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x26|0x27}}|Join Game|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x27|0x28}}|Map Data|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x28|0x29}}|Trade List|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x29|0x2A}}|Entity Relative Move|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x2A|0x2B}}|Entity Look And Relative Move|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x2B|0x2C}}|Entity Look|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x2C|0x2D}}|Entity|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x2D|0x2E}}|Vehicle Move (clientbound)|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x2E|0x2F}}|Open Book|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x2F|0x30}}|Open Window|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x30|0x31}}|Open Sign Editor|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x31|0x32}}|Craft Recipe Response|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x32|0x33}}|Player Abilities (clientbound)|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x33|0x34}}|Combat Event|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x34|0x35}}|Player Info|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x35|0x36}}|Face Player|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x36|0x37}}|Player Position And Look (clientbound)|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x37|0x38}}|Unlock Recipes|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x38|0x39}}|Destroy Entities|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x39|0x3A}}|Remove Entity Effect|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x3A|0x3B}}|Resource Pack Send|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x3B|0x3C}}|Respawn|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x3C|0x3D}}|Entity Head Look|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x3D|0x3E}}|Select Advancement Tab|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x3E|0x3F}}|World Border|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x3F|0x40}}|Camera|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x40|0x41}}|Held Item Change (clientbound)|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x41|0x42}}|Update View Position|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x42|0x43}}|Update View Distance|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x43|0x44}}|Display Scoreboard|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x44|0x45}}|Entity Metadata|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x45|0x46}}|Attach Entity|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x46|0x47}}|Entity Velocity|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x47|0x48}}|Entity Equipment|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x48|0x49}}|Set Experience|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x49|0x4A}}|Update Health|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x4A|0x4B}}|Scoreboard Objective|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x4B|0x4C}}|Set Passengers|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x4C|0x4D}}|Teams|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x4D|0x4E}}|Update Score|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x4E|0x4F}}|Spawn Position|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x4F|0x50}}|Time Update|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x50|0x51}}|Title|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x51|0x52}}|Entity Sound Effect|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x52|0x53}}|Sound Effect|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x53|0x54}}|Stop Sound|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x54|0x55}}|Player List Header And Footer|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x55|0x56}}|NBT Query Response|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x56|0x57}}|Collect Item|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x57|0x58}}|Entity Teleport|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x58|0x59}}|Advancements|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x59|0x5A}}|Entity Properties|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x5A|0x5B}}|Entity Effect|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x5B|0x5C}}|Declare Recipes|pre=unchanged}}
| |
| − | {{PacketList|{{change|0x5C|0x5D}}|Tags|pre=unchanged}}
| |
| − | |}
| |
| − |
| |
| − | == New/modified data types ==
| |
| − |
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| − | No changes so far.
| |
| − |
| |
| − | == Entity Metadata ==
| |
| − |
| |
| − | {{warning2|Lots of shifts, of course}}
| |
| − |
| |
| − | === Living ===
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| − |
| |
| − | Extends [[#Entity|Entity]].
| |
| − |
| |
| − | {| class="wikitable"
| |
| − | ! Index
| |
| − | ! Type
| |
| − | !style="width: 250px;" colspan="2"| Meaning
| |
| − | ! Default
| |
| − | |-
| |
| − | |rowspan="5"| 7
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| − | |rowspan="5"| Byte
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| − | |colspan="2"| Hand states, used to trigger blocking/eating/drinking animation.
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| − | |rowspan="5"| 0
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| − | |-
| |
| − | ! Bit mask
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| − | ! Meaning
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| − | |-
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| − | | 0x01
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| − | | Is hand active
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| − | |-
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| − | | 0x02
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| − | | Active hand (0 = main hand, 1 = offhand)
| |
| − | |-
| |
| − | | 0x04
| |
| − | | In riptide spin attack
| |
| − | |-
| |
| − | | 8
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| − | | Float
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| − | |colspan="2"| Health
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| − | | 1.0
| |
| − | |-
| |
| − | | 9
| |
| − | | VarInt
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| − | |colspan="2"| Potion effect color (or 0 if there is no effect)
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| − | | 0
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| − | |-
| |
| − | | 10
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| − | | Boolean
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| − | |colspan="2"| Is potion effect ambient: reduces the number of particles generated by potions to 1/5 the normal amount
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| − | | false
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| − | |-
| |
| − | | 11
| |
| − | | VarInt
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| − | |colspan="2"| Number of arrows in entity
| |
| − | | 0
| |
| − | |- {{Added}}
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| − | | 12
| |
| − | | VarInt
| |
| − | |colspan="2"| Unknown
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| − | | 0
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| − | |-
| |
| − | | {{change|12|13}}
| |
| − | | OptBlockPos
| |
| − | |colspan="2"| Unknown (Bed location?)
| |
| − | | Absent
| |
| − | |}
| |
| − |
| |
| − | === Bee ===
| |
| − |
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| − | Extends [[#Insentient|Insentient]].
| |
| − |
| |
| − | {| class="wikitable" {{added}}
| |
| − | ! Index
| |
| − | ! Type
| |
| − | !style="width: 250px;" colspan="2"| Meaning
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| − | ! Default
| |
| − | |-
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| − | | 16
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| − | | Byte
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| − | |colspan="2"| Unknown
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| − | | 0
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| − | |-
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| − | | 17
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| − | | VarInt
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| − | |colspan="2"| Unknown
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| − | | 0
| |
| − | |}
| |
| − |
| |
| − | == Block Actions ==
| |
| − |
| |
| − | No changes so far.
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| − |
| |
| − | == Inventories ==
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| − |
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| − | No changes so far.
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| − |
| |
| − | == Plugin Channels ==
| |
| − |
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| − | No changes so far.
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| − |
| |
| − | == Play ==
| |
| − |
| |
| − | === Clientbound ===
| |
| − | ==== Spawn Mob ====
| |
| − |
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| − | Sent by the server when a mob entity is spawned.
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| − |
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| − | {| class="wikitable"
| |
| − | ! Packet ID
| |
| − | ! 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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| − | |rowspan="13"| 0x03
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| − | |rowspan="13"| Play
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| − | |rowspan="13"| Client
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| − | | Entity ID
| |
| − | | VarInt
| |
| − | |
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| − | |-
| |
| − | | Entity UUID
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| − | | UUID
| |
| − | |
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| − | |-
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| − | | Type
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| − | | VarInt
| |
| − | | The type of mob. See [[Entities#Mobs]]
| |
| − | |-
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| − | | X
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| − | | Double
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| − | |
| |
| − | |-
| |
| − | | Y
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| − | | Double
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| − | |
| |
| − | |-
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| − | | Z
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| − | | Double
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| − | |
| |
| − | |-
| |
| − | | Yaw
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| − | | Angle
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| − | |
| |
| − | |-
| |
| − | | Pitch
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| − | | Angle
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| − | |
| |
| − | |-
| |
| − | | Head Pitch
| |
| − | | Angle
| |
| − | |
| |
| − | |-
| |
| − | | Velocity X
| |
| − | | Short
| |
| − | | Same units as [[#Entity Velocity|Entity Velocity]]
| |
| − | |-
| |
| − | | Velocity Y
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| − | | Short
| |
| − | | Same units as [[#Entity Velocity|Entity Velocity]]
| |
| − | |-
| |
| − | | Velocity Z
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| − | | Short
| |
| − | | Same units as [[#Entity Velocity|Entity Velocity]]
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| − | |- {{removed}}
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| − | | Metadata
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| − | | [[Entities#Entity Metadata Format|Entity Metadata]]
| |
| − | |
| |
| − | |}
| |
| − |
| |
| − | ==== Spawn Player ====
| |
| − |
| |
| − | This packet is sent by the server when a player comes into visible range, ''not'' when a player joins.
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| − |
| |
| − | This packet must be sent after the [[#Player Info|Player Info]] packet that adds the player data for the client to use when spawning a player. If the Player Info for the player spawned by this packet is not present when this packet arrives, Notchian clients will not spawn the player entity. The Player Info packet includes skin/cape data.
| |
| − |
| |
| − | Servers can, however, safely spawn player entities for players not in visible range. The client appears to handle it correctly.
| |
| − |
| |
| − | {| class="wikitable"
| |
| − | ! Packet ID
| |
| − | ! State
| |
| − | ! Bound To
| |
| − | ! Field Name
| |
| − | ! Field Type
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| − | ! Notes
| |
| − | |-
| |
| − | |rowspan="8"| 0x05
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| − | |rowspan="8"| Play
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| − | |rowspan="8"| Client
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| − | | Entity ID
| |
| − | | VarInt
| |
| − | | Player's EID
| |
| − | |-
| |
| − | | Player UUID
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| − | | UUID
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| − | | See below for notes on {{Minecraft Wiki|Server.properties#online-mode|offline mode}} and NPCs
| |
| − | |-
| |
| − | | X
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| − | | Double
| |
| − | |
| |
| − | |-
| |
| − | | Y
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| − | | Double
| |
| − | |
| |
| − | |-
| |
| − | | Z
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| − | | Double
| |
| − | |
| |
| − | |-
| |
| − | | Yaw
| |
| − | | Angle
| |
| − | |
| |
| − | |-
| |
| − | | Pitch
| |
| − | | Angle
| |
| − | |
| |
| − | |- {{removed}}
| |
| − | | Metadata
| |
| − | | [[Entities#Entity Metadata Format|Entity Metadata]]
| |
| − | |
| |
| − | |}
| |
| − |
| |
| − | When in {{Minecraft Wiki|Server.properties#online-mode|online mode}}, the UUIDs must be valid and have valid skin blobs.
| |
| − |
| |
| − | In offline mode, [[Wikipedia:Universally unique identifier#Versions 3 and 5 (namespace name-based)|UUID v3]] is used with the String <code>OfflinePlayer:<player name></code>, encoded in UTF-8 (and case-sensitive).
| |
| − |
| |
| − | For NPCs UUID v2 should be used. Note:
| |
| − |
| |
| − | <+Grum> i will never confirm this as a feature you know that :)
| |
| − |
| |
| − | In an example UUID, <code>xxxxxxxx-xxxx-Yxxx-xxxx-xxxxxxxxxxxx</code>, the UUID version is specified by <code>Y</code>. So, for UUID v3, <code>Y</code> will always be <code>3</code>, and for UUID v2, <code>Y</code> will always be <code>2</code>.
| |
| − |
| |
| − | === Serverbound ===
| |
| | | | |
| | No changes so far. | | No changes so far. |
| − |
| |
| − | == Handshaking ==
| |
| − |
| |
| − | === Clientbound ===
| |
| − |
| |
| − | There are no clientbound packets in the Handshaking state, since the protocol immediately switches to a different state after the client sends the first packet.
| |
| − |
| |
| − | === Serverbound ===
| |
| − |
| |
| − | ==== Handshake ====
| |
| − |
| |
| − | This causes the server to switch into the target state.
| |
| − |
| |
| − | {| class="wikitable"
| |
| − | ! Packet ID
| |
| − | ! State
| |
| − | ! Bound To
| |
| − | ! Field Name
| |
| − | ! Field Type
| |
| − | ! Notes
| |
| − | |-
| |
| − | |rowspan="4"| 0x00
| |
| − | |rowspan="4"| Handshaking
| |
| − | |rowspan="4"| Server
| |
| − | | Protocol Version
| |
| − | | VarInt
| |
| − | | See [[protocol version numbers]] (currently {{change|498|550}})
| |
| − | |-
| |
| − | | Server Address
| |
| − | | String
| |
| − | | Hostname or IP, e.g. localhost or 127.0.0.1, that was used to connect. The Notchian server does not use this information. Note that SRV records are a complete redirect, e.g. if _minecraft._tcp.example.com points to mc.example.org, users connecting to example.com will provide mc.example.org as server address in addition to connecting to it.
| |
| − | |-
| |
| − | | Server Port
| |
| − | | Unsigned Short
| |
| − | | Default is 25565. The Notchian server does not use this information.
| |
| − | |-
| |
| − | | Next State
| |
| − | | VarInt Enum
| |
| − | | 1 for [[#Status|status]], 2 for [[#Login|login]]
| |
| − | |}
| |
| − |
| |
| − | == Status ==
| |
| − |
| |
| − | === Clientbound ===
| |
| − |
| |
| − | No changes so far.
| |
| − |
| |
| − | === Serverbound ===
| |
| − |
| |
| − | No changes so far.
| |
| − |
| |
| − | == Login ==
| |
| − |
| |
| − | === Clientbound ===
| |
| − |
| |
| − | No changes so far.
| |
| − |
| |
| − | === Serverbound ===
| |
| − |
| |
| − | No changes so far.
| |
| − |
| |
| | | | |
| | [[Category:Minecraft Modern]] | | [[Category:Minecraft Modern]] |
