Difference between revisions of "Pre-release protocol"

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(→‎Serverbound: Merge play serverbound)
(→‎Entity Metadata: Merge changes from stable docs to incorporate new metadata type templates. Fix my earlier mistake on Pose in the process.)
(533 intermediate revisions by 43 users not shown)
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This page documents the changes from the [[Protocol|last stable Minecraft release]] (currently [[Protocol version numbers|1.12.2, protocol 340]]) to the current pre-release (currently [[Protocol version numbers|1.13.1, protocol 401]]). Note that this page contains bleeding-edge information that may not be completely or correctly documented.
+
This page documents the changes from the [[Protocol|last stable Minecraft release]] (currently [[Protocol version numbers|1.20.4, protocol 765]]) to the current pre-release (currently [[Protocol version numbers|24w03b, protocol {{Snapshot PVN|1073741996}}]]). Note that this page contains bleeding-edge information that may not be completely or correctly documented.
  
 
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.
Line 18: Line 18:
 
  !colspan="2"| Documentation
 
  !colspan="2"| Documentation
 
  |-
 
  |-
!colspan="4"| Handshaking serverbound
+
!colspan="4"| Handshake serverbound
{{PacketList|0x00|Handshake}}
+
{{PacketList|0x00|Handshake}}
 
  |-
 
  |-
!colspan="4"| Play clientbound
+
!colspan="4"| Login clientbound
{{PacketList|0x04|Spawn Painting}}
+
{{PacketList|0x05|Cookie Request (login)|rel=added}}
{{PacketList|0x07|Statistics}}
 
{{PacketList|0x09|Update Block Entity}}
 
{{PacketList|0x0B|Block Change}}
 
{{PacketList|0x0C|Boss Bar}}
 
{{PacketList|{{change|0x0F|0x0E}}|Chat Message (clientbound)|pre=unchanged}}
 
{{PacketList|{{change|0x10|0x0F}}|Multi Block Change}}
 
{{PacketList|{{change|0x0E|0x10}}|Tab-Complete (clientbound)}}
 
{{PacketList|0x11|Declare Commands|rel=added}}
 
{{PacketList|{{change|0x11|0x12}}|Confirm Transaction (clientbound)|pre=unchanged}}
 
{{PacketList|{{change|0x12|0x13}}|Close Window (clientbound)|pre=unchanged}}
 
{{PacketList|{{change|0x13|0x14}}|Open Window|pre=unchanged}}
 
{{PacketList|{{change|0x14|0x15}}|Window Items|pre=unchanged}}
 
{{PacketList|{{change|0x15|0x16}}|Window Property|pre=unchanged}}
 
{{PacketList|{{change|0x16|0x17}}|Set Slot|pre=unchanged}}
 
{{PacketList|{{change|0x17|0x18}}|Set Cooldown|pre=unchanged}}
 
{{PacketList|{{change|0x18|0x19}}|Plugin Message (clientbound)}}
 
{{PacketList|{{change|0x19|0x1A}}|Named Sound Effect}}
 
{{PacketList|{{change|0x1A|0x1B}}|Disconnect (play)|pre=unchanged}}
 
{{PacketList|{{change|0x1B|0x1C}}|Entity Status|pre=unchanged}}
 
{{PacketList|0x1D|NBT Query Response|rel=added}}
 
{{PacketList|{{change|0x1C|0x1E}}|Explosion|pre=unchanged}}
 
{{PacketList|{{change|0x1D|0x1F}}|Unload Chunk|pre=unchanged}}
 
{{PacketList|{{change|0x1E|0x20}}|Change Game State|pre=unchanged}}
 
{{PacketList|{{change|0x1F|0x21}}|Keep Alive (clientbound)|pre=unchanged}}
 
{{PacketList|{{change|0x20|0x22}}|Chunk Data}}
 
{{PacketList|{{change|0x21|0x23}}|Effect}}
 
{{PacketList|{{change|0x22|0x24}}|Spawn Particle}}
 
{{PacketList|{{change|0x23|0x25}}|Join Game|pre=unchanged}}
 
{{PacketList|{{change|0x24|0x26}}|Map}}
 
{{PacketList|{{change|0x25|0x27}}|Entity|pre=unchanged}}
 
{{PacketList|{{change|0x26|0x28}}|Entity Relative Move|pre=unchanged}}
 
{{PacketList|{{change|0x27|0x29}}|Entity Look And Relative Move|pre=unchanged}}
 
{{PacketList|{{change|0x28|0x2A}}|Entity Look|pre=unchanged}}
 
{{PacketList|{{change|0x29|0x2B}}|Vehicle Move (clientbound)|pre=unchanged}}
 
{{PacketList|{{change|0x2A|0x2C}}|Open Sign Editor|pre=unchanged}}
 
{{PacketList|{{change|0x2B|0x2D}}|Craft Recipe Response}}
 
{{PacketList|{{change|0x2C|0x2E}}|Player Abilities (clientbound)|pre=unchanged}}
 
{{PacketList|{{change|0x2D|0x2F}}|Combat Event|pre=unchanged}}
 
{{PacketList|{{change|0x2E|0x30}}|Player List Item|pre=unchanged}}
 
{{PacketList|0x31|Face Player|rel=added}}
 
{{PacketList|{{change|0x2F|0x32}}|Player Position And Look (clientbound)|pre=unchanged}}
 
{{PacketList|{{change|0x30|0x33}}|Use Bed|pre=unchanged}}
 
{{PacketList|{{change|0x31|0x34}}|Unlock Recipes}}
 
{{PacketList|{{change|0x32|0x35}}|Destroy Entities|pre=unchanged}}
 
{{PacketList|{{change|0x33|0x36}}|Remove Entity Effect|pre=unchanged}}
 
{{PacketList|{{change|0x34|0x37}}|Resource Pack Send|pre=unchanged}}
 
{{PacketList|{{change|0x35|0x38}}|Respawn|pre=unchanged}}
 
{{PacketList|{{change|0x36|0x39}}|Entity Head Look|pre=unchanged}}
 
{{PacketList|{{change|0x37|0x3A}}|Select Advancement Tab|pre=unchanged}}
 
{{PacketList|{{change|0x38|0x3B}}|World Border|pre=unchanged}}
 
{{PacketList|{{change|0x39|0x3C}}|Camera|pre=unchanged}}
 
{{PacketList|{{change|0x3A|0x3D}}|Held Item Change (clientbound)|pre=unchanged}}
 
{{PacketList|{{change|0x3B|0x3E}}|Display Scoreboard|pre=unchanged}}
 
{{PacketList|{{change|0x3C|0x3F}}|Entity Metadata|pre=unchanged}}
 
{{PacketList|{{change|0x3D|0x40}}|Attach Entity|pre=unchanged}}
 
{{PacketList|{{change|0x3E|0x41}}|Entity Velocity|pre=unchanged}}
 
{{PacketList|{{change|0x3F|0x42}}|Entity Equipment|pre=unchanged}}
 
{{PacketList|{{change|0x40|0x43}}|Set Experience|pre=unchanged}}
 
{{PacketList|{{change|0x41|0x44}}|Update Health|pre=unchanged}}
 
{{PacketList|{{change|0x42|0x45}}|Scoreboard Objective}}
 
{{PacketList|{{change|0x43|0x46}}|Set Passengers|pre=unchanged}}
 
{{PacketList|{{change|0x44|0x47}}|Teams}}
 
{{PacketList|{{change|0x45|0x48}}|Update Score|pre=unchanged}}
 
{{PacketList|{{change|0x46|0x49}}|Spawn Position|pre=unchanged}}
 
{{PacketList|{{change|0x47|0x4A}}|Time Update|pre=unchanged}}
 
{{PacketList|{{change|0x48|0x4B}}|Title|pre=unchanged}}
 
{{PacketList|0x4C|Stop Sound|rel=added}}
 
{{PacketList|{{change|0x49|0x4D}}|Sound Effect|pre=unchanged}}
 
{{PacketList|{{change|0x4A|0x4E}}|Player List Header And Footer|pre=unchanged}}
 
{{PacketList|{{change|0x4B|0x4F}}|Collect Item|pre=unchanged}}
 
{{PacketList|{{change|0x4C|0x50}}|Entity Teleport|pre=unchanged}}
 
{{PacketList|{{change|0x4D|0x51}}|Advancements|pre=unchanged}}
 
{{PacketList|{{change|0x4E|0x52}}|Entity Properties|pre=unchanged}}
 
{{PacketList|{{change|0x4F|0x53}}|Entity Effect|pre=unchanged}}
 
{{PacketList|0x54|Declare Recipes|rel=added}}
 
{{PacketList|0x55|Tags|rel=added}}
 
 
  |-
 
  |-
!colspan="4"| Play serverbound
+
!colspan="4"| Login serverbound
{{PacketList|0x01|Query Block NBT|rel=added}}
+
{{PacketList|0x04|Cookie Response (login)|rel=added}}
{{PacketList|{{change|0x01|0x05}}|Tab-Complete (serverbound)}}
+
|-
{{PacketList|{{change|0x05|0x06}}|Confirm Transaction (serverbound)|pre=unchanged}}
+
!colspan="4"| Configuration clientbound
{{PacketList|{{change|0x06|0x07}}|Enchant Item|pre=unchanged}}
+
{{PacketList|0x00|Cookie Request (configuration)|rel=added}}
{{PacketList|{{change|0x07|0x08}}|Click Window|pre=unchanged}}
+
{{PacketList|{{change|0x00|0x01}}|Clientbound Plugin Message (configuration)|pre=unchanged}}
{{PacketList|{{change|0x08|0x09}}|Close Window (serverbound)|pre=unchanged}}
+
{{PacketList|{{change|0x01|0x02}}|Disconnect (configuration)|pre=unchanged}}
{{PacketList|{{change|0x09|0x0A}}|Plugin message (serverbound)}}
+
{{PacketList|{{change|0x02|0x03}}|Finish Configuration|pre=unchanged}}
{{PacketList|0x0B|Edit Book|rel=added}}
+
{{PacketList|{{change|0x03|0x04}}|Clientbound Keep Alive (configuration)|pre=unchanged}}
{{PacketList|0x0C|Query Entity NBT|rel=added}}
+
{{PacketList|{{change|0x04|0x05}}|Ping (configuration)|pre=unchanged}}
{{PacketList|{{change|0x0A|0x0D}}|Use Entity|pre=unchanged}}
+
{{PacketList|{{change|0x05|0x06}}|Registry Data|pre=unchanged}}
{{PacketList|{{change|0x0B|0x0E}}|Keep Alive (serverbound)|pre=unchanged}}
+
{{PacketList|{{change|0x06|0x07}}|Remove Resource Pack (configuration)|pre=unchanged}}
{{PacketList|{{change|0x0C|0x0F}}|Player|pre=unchanged}}
+
{{PacketList|{{change|0x07|0x08}}|Add Resource Pack (configuration)|pre=unchanged}}
{{PacketList|{{change|0x0D|0x10}}|Player Position|pre=unchanged}}
+
{{PacketList|0x09|Store Cookie (configuration)|rel=added}}
{{PacketList|{{change|0x0E|0x11}}|Player Position And Look (serverbound)|pre=unchanged}}
+
{{PacketList|0x0A|Transfer (configuration)|rel=added}}
{{PacketList|{{change|0x0F|0x12}}|Player Look|pre=unchanged}}
+
{{PacketList|{{change|0x08|0x0B}}|Feature Flags|pre=unchanged}}
{{PacketList|{{change|0x10|0x13}}|Vehicle Move (serverbound)|pre=unchanged}}
+
{{PacketList|{{change|0x09|0x0C}}|Update Tags (configuration)|pre=unchanged}}
{{PacketList|{{change|0x11|0x14}}|Steer Boat|pre=unchanged}}
+
 
{{PacketList|0x15|Pick Item|rel=added}}
+
|-
{{PacketList|{{change|0x12|0x16}}|Craft Recipe Request}}
+
!colspan="4"| Configuration serverbound
{{PacketList|{{change|0x13|0x17}}|Player Abilities (serverbound)|pre=unchanged}}
+
{{PacketList|0x01|Cookie Response (configuration)|rel=added}}
{{PacketList|{{change|0x14|0x18}}|Player Digging|pre=unchanged}}
+
{{PacketList|{{change|0x01|0x02}}|Serverbound Plugin Message (configuration)|pre=unchanged}}
{{PacketList|{{change|0x15|0x19}}|Entity Action|pre=unchanged}}
+
{{PacketList|{{change|0x02|0x03}}|Finish Configuration|pre=unchanged}}
{{PacketList|{{change|0x16|0x1A}}|Steer Vehicle|pre=unchanged}}
+
{{PacketList|{{change|0x03|0x04}}|Serverbound Keep Alive (configuration)|pre=unchanged}}
{{PacketList|{{change|0x17|0x1B}}|Recipe Book Data}}
+
{{PacketList|{{change|0x04|0x05}}|Pong (configuration)|pre=unchanged}}
{{PacketList|0x1C|Name Item|rel=added}}
+
{{PacketList|{{change|0x05|0x06}}|Resource Pack Response (configuration)|pre=unchanged}}
{{PacketList|{{change|0x18|0x1D}}|Resource Pack Status|pre=unchanged}}
+
|-
{{PacketList|{{change|0x19|0x1E}}|Advancement Tab|pre=unchanged}}
+
!colspan="4"| Play clientbound
{{PacketList|0x1F|Select Trade|rel=added}}
+
{{PacketList|0x16|Cookie Request (Play)|rel=added}}
{{PacketList|0x20|Set Beacon Effect|rel=added}}
+
{{PacketList|{{change|0x16|0x17}}|Set Cooldown|pre=unchanged}}
{{PacketList|{{change|0x1A|0x21}}|Held Item Change (serverbound)|pre=unchanged}}
+
{{PacketList|{{change|0x17|0x18}}|Chat Suggestions|pre=unchanged}}
{{PacketList|0x22|Update Command Block|rel=added}}
+
{{PacketList|{{change|0x18|0x19}}|Clientbound Plugin Message (play)|pre=unchanged}}
{{PacketList|0x23|Update Command Block Minecart|rel=added}}
+
{{PacketList|{{change|0x19|0x1A}}|Damage Event|pre=unchanged}}
{{PacketList|{{change|0x1B|0x24}}|Creative Inventory Action|pre=unchanged}}
+
{{PacketList|{{change|0x1A|0x1B}}|Delete Message|pre=unchanged}}
{{PacketList|0x25|Update Structure Block|rel=added}}
+
{{PacketList|{{change|0x1B|0x1C}}|Disconnect (play)|pre=unchanged}}
{{PacketList|{{change|0x1C|0x26}}|Update Sign|pre=unchanged}}
+
{{PacketList|{{change|0x1C|0x1D}}|Disguised Chat Message|pre=unchanged}}
{{PacketList|{{change|0x1D|0x27}}|Animation (serverbound)|pre=unchanged}}
+
{{PacketList|{{change|0x1D|0x1E}}|Entity Event|pre=unchanged}}
{{PacketList|{{change|0x1E|0x28}}|Spectate|pre=unchanged}}
+
{{PacketList|{{change|0x1E|0x1F}}|Explosion|pre=unchanged}}
{{PacketList|{{change|0x1F|0x29}}|Player Block Placement|pre=unchanged}}
+
{{PacketList|{{change|0x1F|0x20}}|Unload Chunk|pre=unchanged}}
{{PacketList|{{change|0x20|0x2A}}|Use Item|pre=unchanged}}
+
{{PacketList|{{change|0x20|0x21}}|Game Event|pre=unchanged}}
|-
+
{{PacketList|{{change|0x21|0x22}}|Open Horse Screen|pre=unchanged}}
!colspan="5"| Login clientbound
+
{{PacketList|{{change|0x22|0x23}}|Hurt Animation|pre=unchanged}}
{{PacketList|0x04|Login Plugin Request|rel=added}}
+
{{PacketList|{{change|0x23|0x24}}|Initialize World Border|pre=unchanged}}
|-
+
{{PacketList|{{change|0x24|0x25}}|Clientbound Keep Alive (play)|pre=unchanged}}
!colspan="3"| Login serverbound
+
{{PacketList|{{change|0x25|0x26}}|Chunk Data and Update Light|pre=unchanged}}
{{PacketList|0x02|Login Plugin Response|rel=added}}
+
{{PacketList|{{change|0x26|0x27}}|World Event|pre=unchanged}}
 +
{{PacketList|{{change|0x27|0x28}}|Particle|pre=unchanged}}
 +
{{PacketList|{{change|0x28|0x29}}|Update Light|pre=unchanged}}
 +
{{PacketList|{{change|0x29|0x2A}}|Login (play)|pre=unchanged}}
 +
{{PacketList|{{change|0x2A|0x2B}}|Map Data|pre=unchanged}}
 +
{{PacketList|{{change|0x2B|0x2C}}|Merchant Offers|pre=unchanged}}
 +
{{PacketList|{{change|0x2C|0x2D}}|Update Entity Position|pre=unchanged}}
 +
{{PacketList|{{change|0x2D|0x2E}}|Update Entity Position and Rotation|pre=unchanged}}
 +
{{PacketList|{{change|0x2E|0x2F}}|Update Entity Rotation|pre=unchanged}}
 +
{{PacketList|{{change|0x2F|0x30}}|Move Vehicle|pre=unchanged}}
 +
{{PacketList|{{change|0x30|0x31}}|Open Book|pre=unchanged}}
 +
{{PacketList|{{change|0x31|0x32}}|Open Screen|pre=unchanged}}
 +
{{PacketList|{{change|0x32|0x33}}|Open Sign Editor|pre=unchanged}}
 +
{{PacketList|{{change|0x33|0x34}}|Ping (play)|pre=unchanged}}
 +
{{PacketList|{{change|0x34|0x35}}|Ping Response (play)|pre=unchanged}}
 +
{{PacketList|{{change|0x35|0x36}}|Place Ghost Recipe|pre=unchanged}}
 +
{{PacketList|{{change|0x36|0x37}}|Player Abilities|pre=unchanged}}
 +
{{PacketList|{{change|0x37|0x38}}|Player Chat Message|pre=unchanged}}
 +
{{PacketList|{{change|0x38|0x39}}|End Combat|pre=unchanged}}
 +
{{PacketList|{{change|0x39|0x3A}}|Enter Combat|pre=unchanged}}
 +
{{PacketList|{{change|0x3A|0x3B}}|Combat Death|pre=unchanged}}
 +
{{PacketList|{{change|0x3B|0x3C}}|Player Info Remove|pre=unchanged}}
 +
{{PacketList|{{change|0x3C|0x3D}}|Player Info Update|pre=unchanged}}
 +
{{PacketList|{{change|0x3D|0x3E}}|Look At|pre=unchanged}}
 +
{{PacketList|{{change|0x3E|0x3F}}|Synchronize Player Position|pre=unchanged}}
 +
{{PacketList|{{change|0x3F|0x40}}|Update Recipe Book|pre=unchanged}}
 +
{{PacketList|{{change|0x40|0x41}}|Remove Entities|pre=unchanged}}
 +
{{PacketList|{{change|0x41|0x42}}|Remove Entity Effect|pre=unchanged}}
 +
{{PacketList|{{change|0x42|0x43}}|Reset Score|pre=unchanged}}
 +
{{PacketList|{{change|0x43|0x44}}|Remove Resource Pack (play)|pre=unchanged}}
 +
{{PacketList|{{change|0x44|0x45}}|Add Resource Pack (play)|pre=unchanged}}
 +
{{PacketList|{{change|0x45|0x46}}|Respawn|pre=unchanged}}
 +
{{PacketList|{{change|0x46|0x47}}|Set Head Rotation|pre=unchanged}}
 +
{{PacketList|{{change|0x47|0x48}}|Update Section Blocks|pre=unchanged}}
 +
{{PacketList|{{change|0x48|0x49}}|Select Advancements Tab|pre=unchanged}}
 +
{{PacketList|{{change|0x49|0x4A}}|Server Data|pre=unchanged}}
 +
{{PacketList|{{change|0x4A|0x4B}}|Set Action Bar Text|pre=unchanged}}
 +
{{PacketList|{{change|0x4B|0x4C}}|Set Border Center|pre=unchanged}}
 +
{{PacketList|{{change|0x4C|0x4D}}|Set Border Lerp Size|pre=unchanged}}
 +
{{PacketList|{{change|0x4D|0x4E}}|Set Border Size|pre=unchanged}}
 +
{{PacketList|{{change|0x4E|0x4F}}|Set Border Warning Delay|pre=unchanged}}
 +
{{PacketList|{{change|0x4F|0x50}}|Set Border Warning Distance|pre=unchanged}}
 +
{{PacketList|{{change|0x50|0x51}}|Set Camera|pre=unchanged}}
 +
{{PacketList|{{change|0x51|0x52}}|Set Held Item|pre=unchanged}}
 +
{{PacketList|{{change|0x52|0x53}}|Set Center Chunk|pre=unchanged}}
 +
{{PacketList|{{change|0x53|0x54}}|Set Render Distance|pre=unchanged}}
 +
{{PacketList|{{change|0x54|0x55}}|Set Default Spawn Position|pre=unchanged}}
 +
{{PacketList|{{change|0x55|0x56}}|Display Objective|pre=unchanged}}
 +
{{PacketList|{{change|0x56|0x57}}|Set Entity Metadata|pre=unchanged}}
 +
{{PacketList|{{change|0x57|0x58}}|Link Entities|pre=unchanged}}
 +
{{PacketList|{{change|0x58|0x59}}|Set Entity Velocity|pre=unchanged}}
 +
{{PacketList|{{change|0x59|0x5A}}|Set Equipment|pre=unchanged}}
 +
{{PacketList|{{change|0x5A|0x5B}}|Set Experience|pre=unchanged}}
 +
{{PacketList|{{change|0x5B|0x5C}}|Set Health|pre=unchanged}}
 +
{{PacketList|{{change|0x5C|0x5D}}|Update Objectives|pre=unchanged}}
 +
{{PacketList|{{change|0x5D|0x5E}}|Set Passengers|pre=unchanged}}
 +
{{PacketList|{{change|0x5E|0x5F}}|Update Teams|pre=unchanged}}
 +
{{PacketList|{{change|0x5F|0x60}}|Update Score|pre=unchanged}}
 +
{{PacketList|{{change|0x60|0x61}}|Set Simulation Distance|pre=unchanged}}
 +
{{PacketList|{{change|0x61|0x62}}|Set Subtitle Text|pre=unchanged}}
 +
{{PacketList|{{change|0x62|0x63}}|Update Time|pre=unchanged}}
 +
{{PacketList|{{change|0x63|0x64}}|Set Title Text|pre=unchanged}}
 +
{{PacketList|{{change|0x64|0x65}}|Set Title Animation Times|pre=unchanged}}
 +
{{PacketList|{{change|0x65|0x66}}|Entity Sound Effect|pre=unchanged}}
 +
{{PacketList|{{change|0x66|0x67}}|Sound Effect|pre=unchanged}}
 +
{{PacketList|{{change|0x67|0x68}}|Start Configuration|pre=unchanged}}
 +
{{PacketList|{{change|0x68|0x69}}|Stop Sound|pre=unchanged}}
 +
{{PacketList|0x6A|Store Cookie (Play)|rel=added}}
 +
{{PacketList|{{change|0x69|0x6B}}|System Chat Message|pre=unchanged}}
 +
{{PacketList|{{change|0x6A|0x6C}}|Set Tab List Header And Footer|pre=unchanged}}
 +
{{PacketList|{{change|0x6B|0x6D}}|Tag Query Response|pre=unchanged}}
 +
{{PacketList|{{change|0x6C|0x6E}}|Pickup Item|pre=unchanged}}
 +
{{PacketList|{{change|0x6D|0x6F}}|Teleport Entity|pre=unchanged}}
 +
{{PacketList|{{change|0x6E|0x70}}|Set Ticking State|pre=unchanged}}
 +
{{PacketList|{{change|0x6F|0x71}}|Step Tick|pre=unchanged}}
 +
{{PacketList|0x72|Transfer (Play)|rel=added}}
 +
{{PacketList|{{change|0x70|0x73}}|Update Advancements|pre=unchanged}}
 +
{{PacketList|{{change|0x71|0x74}}|Update Attributes}}
 +
{{PacketList|{{change|0x72|0x75}}|Entity Effect}}
 +
{{PacketList|{{change|0x73|0x76}}|Update Recipes|pre=unchanged}}
 +
{{PacketList|{{change|0x74|0x77}}|Update Tags (play)|pre=unchanged}}
 +
|-
 +
!colspan="4"| Play serverbound
 +
{{PacketList|0x10|Cookie Response (play)|rel=added}}
 +
{{PacketList|{{change|0x10|0x11}}|Serverbound Plugin Message (play)|pre=unchanged}}
 +
{{PacketList|{{change|0x11|0x12}}|Edit Book|pre=unchanged}}
 +
{{PacketList|{{change|0x12|0x13}}|Query Entity Tag|pre=unchanged}}
 +
{{PacketList|{{change|0x13|0x14}}|Interact|pre=unchanged}}
 +
{{PacketList|{{change|0x14|0x15}}|Jigsaw Generate|pre=unchanged}}
 +
{{PacketList|{{change|0x15|0x16}}|Serverbound Keep Alive (play)|pre=unchanged}}
 +
{{PacketList|{{change|0x16|0x17}}|Lock Difficulty|pre=unchanged}}
 +
{{PacketList|{{change|0x17|0x18}}|Set Player Position|pre=unchanged}}
 +
{{PacketList|{{change|0x18|0x19}}|Set Player Position and Rotation|pre=unchanged}}
 +
{{PacketList|{{change|0x19|0x1A}}|Set Player Rotation|pre=unchanged}}
 +
{{PacketList|{{change|0x1A|0x1B}}|Set Player On Ground|pre=unchanged}}
 +
{{PacketList|{{change|0x1B|0x1C}}|Move Vehicle|pre=unchanged}}
 +
{{PacketList|{{change|0x1C|0x1D}}|Paddle Boat|pre=unchanged}}
 +
{{PacketList|{{change|0x1D|0x1E}}|Pick Item|pre=unchanged}}
 +
{{PacketList|{{change|0x1E|0x1F}}|Ping Request (play)|pre=unchanged}}
 +
{{PacketList|{{change|0x1F|0x20}}|Place Recipe|pre=unchanged}}
 +
{{PacketList|{{change|0x20|0x21}}|Player Abilities|pre=unchanged}}
 +
{{PacketList|{{change|0x21|0x22}}|Player Action|pre=unchanged}}
 +
{{PacketList|{{change|0x22|0x23}}|Player Command|pre=unchanged}}
 +
{{PacketList|{{change|0x23|0x24}}|Player Input|pre=unchanged}}
 +
{{PacketList|{{change|0x24|0x25}}|Pong (play)|pre=unchanged}}
 +
{{PacketList|{{change|0x25|0x26}}|Change Recipe Book Settings|pre=unchanged}}
 +
{{PacketList|{{change|0x26|0x27}}|Set Seen Recipe|pre=unchanged}}
 +
{{PacketList|{{change|0x27|0x28}}|Rename Item|pre=unchanged}}
 +
{{PacketList|{{change|0x28|0x29}}|Resource Pack Response (play)|pre=unchanged}}
 +
{{PacketList|{{change|0x29|0x2A}}|Seen Advancements|pre=unchanged}}
 +
{{PacketList|{{change|0x2A|0x2B}}|Select Trade|pre=unchanged}}
 +
{{PacketList|{{change|0x2B|0x2C}}|Set Beacon Effect|pre=unchanged}}
 +
{{PacketList|{{change|0x2C|0x2D}}|Set Held Item|pre=unchanged}}
 +
{{PacketList|{{change|0x2D|0x2E}}|Program Command Block|pre=unchanged}}
 +
{{PacketList|{{change|0x2E|0x2F}}|Program Command Block Minecart|pre=unchanged}}
 +
{{PacketList|{{change|0x2F|0x30}}|Set Creative Mode Slot|pre=unchanged}}
 +
{{PacketList|{{change|0x30|0x31}}|Program Jigsaw Block|pre=unchanged}}
 +
{{PacketList|{{change|0x31|0x32}}|Program Structure Block|pre=unchanged}}
 +
{{PacketList|{{change|0x32|0x33}}|Update Sign|pre=unchanged}}
 +
{{PacketList|{{change|0x33|0x34}}|Swing Arm|pre=unchanged}}
 +
{{PacketList|{{change|0x34|0x35}}|Teleport To Entity|pre=unchanged}}
 +
{{PacketList|{{change|0x35|0x36}}|Use Item On|pre=unchanged}}
 +
{{PacketList|{{change|0x36|0x37}}|Use Item|pre=unchanged}}
 
  |}
 
  |}
  
Line 152: Line 198:
 
No changes so far.
 
No changes so far.
  
== Entity Metadata Format ==
+
== Entity Metadata ==
  
No changes so far.
+
{{#vardefine: meta_prerelease | 1}}
  
== Block Actions ==
+
{{Metadata type definition/begin}}
 
+
  ! Value
No changes so far.
 
 
 
== Play ==
 
 
 
=== Clientbound ===
 
 
 
==== Spawn Painting ====
 
 
 
This packet shows location, name, and type of painting.
 
 
 
{| class="wikitable"
 
! Packet ID
 
! State
 
! Bound To
 
! Field Name
 
  ! Field Type
 
 
  ! Notes
 
  ! Notes
  |-
+
{{Metadata type definition|Byte}}
  |rowspan="5"| 0x04
+
| {{Type|Byte}}
  |rowspan="5"| Play
+
|
  |rowspan="5"| Client
+
{{Metadata type definition|VarInt}}
  | Entity ID
+
| {{Type|VarInt}}
  | VarInt
+
|
  |  
+
{{Metadata type definition|VarLong}}
  |-
+
| {{Type|VarLong}}
  | Entity UUID
+
|
  | UUID
+
{{Metadata type definition|Float}}
  |  
+
| {{Type|Float}}
  |-
+
|
  | Motive
+
{{Metadata type definition|String}}
  | {{Change|String (13)|VarInt}}
+
| {{Type|String}}
  | {{Change|Name of the painting. Max length 13|Panting's ID, see below}}
+
|
  |-
+
{{Metadata type definition|Text Component}}
  | Location
+
| {{Type|Text Component}}
  | Position
+
  |
  | Center coordinates (see below)
+
{{Metadata type definition|Optional Text Component}}
  |-
+
  | ({{Type|Boolean}}, {{Type|Optional}} {{Type|Text Component}})
  | Direction
+
| Text Component is present if the Boolean is set to true.
  | Byte Enum
+
{{Metadata type definition|Slot}}
  | Direction the painting faces (North = 2, South = 0, West = 1, East = 3)
+
| {{Type|Slot}}
 +
|
 +
{{Metadata type definition|Boolean}}
 +
| {{Type|Boolean}}
 +
|
 +
{{Metadata type definition|Rotations}}
 +
| ({{Type|Float}}, {{Type|Float}}, {{Type|Float}})
 +
| rotation on x, rotation on y, rotation on z
 +
{{Metadata type definition|Position}}
 +
| {{Type|Position}}
 +
|
 +
{{Metadata type definition|Optional Position}}
 +
| ({{Type|Boolean}}, {{Type|Optional}} {{Type|Position}})
 +
| Position is present if the Boolean is set to true.
 +
{{Metadata type definition|Direction}}
 +
| {{Type|VarInt}} {{Type|Enum}}
 +
  | Down = 0, Up = 1, North = 2, South = 3, West = 4, East = 5
 +
{{Metadata type definition|Optional UUID}}
 +
  | ({{Type|Boolean}}, {{Type|Optional}} {{Type|UUID}})
 +
  | UUID is present if the Boolean is set to true.
 +
{{Metadata type definition|Block State}}
 +
  | {{Type|VarInt}}
 +
  | An ID in the block state registry.
 +
{{Metadata type definition|Optional Block State}}
 +
  | {{Type|VarInt}}
 +
  | 0 for absent (air is unrepresentable); otherwise, an ID in the block state registry.
 +
{{Metadata type definition|NBT}}
 +
  | {{Type|NBT}}
 +
  |
 +
{{Metadata type definition|Particle}}
 +
  | ({{Type|VarInt}}, Varies)
 +
  | particle type (an ID in the <code>minecraft:particle_type</code> registry), particle data (See [[Particles]].)
 +
{{Metadata type definition|Villager Data}}
 +
  | ({{Type|VarInt}}, {{Type|VarInt}}, {{Type|VarInt}})
 +
| villager type, villager profession, level (See below.)
 +
{{Metadata type definition|Optional VarInt}}
 +
  | {{Type|VarInt}}
 +
| 0 for absent; 1 + actual value otherwise. Used for entity IDs.
 +
{{Metadata type definition|Pose}}
 +
| {{Type|VarInt}} {{Type|Enum}}
 +
| STANDING = 0, FALL_FLYING = 1, SLEEPING = 2, SWIMMING = 3, SPIN_ATTACK = 4, SNEAKING = 5, LONG_JUMPING = 6, DYING = 7, CROAKING = 8, USING_TONGUE = 9, SITTING = 10, ROARING = 11, SNIFFING = 12, EMERGING = 13, DIGGING = 14{{change||2=, SLIDING = 15, SHOOTING = 16, INHALING = 17}}
 +
{{Metadata type definition|Cat Variant}}
 +
| {{Type|VarInt}}
 +
  | An ID in the <code>minecraft:cat_variant</code> registry.
 +
{{Metadata type definition|Frog Variant}}
 +
  | {{Type|VarInt}}
 +
  | An ID in the <code>minecraft:frog_variant</code> registry.
 +
{{Metadata type definition|Optional Global Position}}
 +
  | ({{Type|Boolean}}, {{Type|Optional}} {{Type|Identifier}}, {{Type|Optional}} {{Type|Position}})
 +
  | dimension identifier, position; only if the Boolean is set to true.
 +
{{Metadata type definition|Painting Variant}}
 +
  | {{Type|VarInt}}
 +
| An ID in the <code>minecraft:painting_variant</code> registry.
 +
{{Metadata type definition|Sniffer State}}
 +
  | {{Type|VarInt}} {{Type|Enum}}
 +
  | IDLING = 0, FEELING_HAPPY = 1, SCENTING = 2, SNIFFING = 3, SEARCHING = 4, DIGGING = 5, RISING = 6
 +
{{Metadata type definition|Armadillo State|rel=added}}
 +
| {{Type|VarInt}} {{Type|Enum}}
 +
| IDLE = 0, ROLLING = 1, SCARED = 2
 +
{{Metadata type definition|Vector3}}
 +
| ({{Type|Float}}, {{Type|Float}}, {{Type|Float}})
 +
| x, y, z
 +
{{Metadata type definition|Quaternion}}
 +
| ({{Type|Float}}, {{Type|Float}}, {{Type|Float}}, {{Type|Float}})
 +
| x, y, z, w
 
  |}
 
  |}
  
Calculating the center of an image: given a (width × height) grid of cells, with <code>(0, 0)</code> being the top left corner, the center is <code>(max(0, width / 2 - 1), height / 2)</code>. E.g. <code>(1, 0)</code> for a 2×1 painting, or <code>(1, 2)</code> for a 4×4 painting.
+
=== Armadillo ===
  
List of paintings by coordinates in <code>paintings_kristoffer_zetterstrand.png</code> (where x and y are in pixels from the top left and width and height are in pixels or 16ths of a block):
+
{{Metadata inherit|Armadillo|inherits=Animal|start_at=17}}
 
+
{| class="wikitable" {{added}}
{| class="wikitable"
+
  ! Index
! Name
+
  ! Type
!{{Added}}| ID
+
  !style="width: 250px;" colspan="2"| Meaning
  ! x
+
  ! Default
  ! y
 
  ! width
 
! height
 
|-
 
| {{Change|<code>Kebab</code>|<code>minecraft:kebab</code>}}
 
| 0
 
  | 0
 
| 0
 
| 16
 
| 16
 
 
  |-
 
  |-
  | {{Change|<code>Aztec</code>|<code>minecraft:aztec</code>}}
+
  | {{Metadata id|added}}
| 1
+
  | {{Metadata type|Armadillo State}}
| 16
+
  |colspan="2"| Armadillo State
| 0
+
  | IDLE
| 16
 
| 16
 
|-
 
  | {{change|<code>Alban</code>|<code>minecraft:alban</code>}}
 
  | 2
 
| 32
 
| 0
 
| 16
 
| 16
 
|-
 
| {{change|<code>Aztec2</code>|<code>minecraft:aztec2</code>}}
 
| 3
 
| 48
 
| 0
 
| 16
 
| 16
 
|-
 
| {{change|<code>Bomb</code>|<code>minecraft:bomb</code>}}
 
| 4
 
| 64
 
| 0
 
| 16
 
| 16
 
|-
 
| {{change|<code>Plant</code>|<code>minecraft:plant</code>}}
 
| 5
 
| 80
 
| 0
 
| 16
 
| 16
 
|-
 
| {{change|<code>Wasteland</code>|<code>minecraft:wasteland</code>}}
 
| 6
 
| 96
 
| 0
 
| 16
 
| 16
 
|-
 
| {{change|<code>Pool</code>|<code>minecraft:pool</code>}}
 
| 7
 
| 0
 
| 32
 
| 32
 
| 16
 
|-
 
| {{change|<code>Courbet</code>|<code>minecraft:courbet</code>}}
 
| 8
 
| 32
 
| 32
 
| 32
 
| 16
 
|-
 
| {{change|<code>Sea</code>|<code>minecraft:sea</code>}}
 
| 9
 
| 64
 
| 32
 
| 32
 
| 16
 
|-
 
| {{change|<code>Sunset</code>|<code>minecraft:sunset</code>}}
 
| 10
 
| 96
 
| 32
 
| 32
 
| 16
 
|-
 
| {{change|<code>Creebet</code>|<code>minecraft:creebet</code>}}
 
| 11
 
| 128
 
| 32
 
| 32
 
| 16
 
|-
 
| {{change|<code>Wanderer</code>|<code>minecraft:wanderer</code>}}
 
| 12
 
| 0
 
| 64
 
| 16
 
| 32
 
|-
 
| {{change|<code>Graham</code>|<code>minecraft:graham</code>}}
 
| 13
 
| 16
 
| 64
 
| 16
 
| 32
 
|-
 
| {{change|<code>Match</code>|<code>minecraft:match</code>}}
 
| 14
 
| 0
 
| 128
 
| 32
 
| 32
 
|-
 
| {{change|<code>Bust</code>|<code>minecraft:bust</code>}}
 
| 15
 
| 32
 
| 128
 
| 32
 
| 32
 
|-
 
| {{change|<code>Stage</code>|<code>minecraft:stage</code>}}
 
| 16
 
| 64
 
| 128
 
| 32
 
| 32
 
|-
 
| {{change|<code>Void</code>|<code>minecraft:void</code>}}
 
| 17
 
| 96
 
| 128
 
| 32
 
| 32
 
|-
 
| {{change|<code>SkullAndRoses</code>|<code>skull_and_roses</code>}}
 
| 18
 
| 128
 
| 128
 
| 32
 
| 32
 
|-
 
| {{change|<code>Wither</code>|<code>minecraft:wither</code>}}
 
| 19
 
| 160
 
| 128
 
| 32
 
| 32
 
|-
 
| {{change|<code>Fighters</code>|<code>minecraft:fighters</code>}}
 
| 20
 
| 0
 
| 96
 
| 64
 
| 32
 
|-
 
| {{change|<code>Pointer</code>|<code>minecraft:pointer</code>}}
 
| 21
 
| 0
 
| 192
 
| 64
 
| 64
 
|-
 
| {{change|<code>Pigscene</code>|<code>minecraft:pigscene</code>}}
 
| 22
 
| 64
 
| 192
 
| 64
 
| 64
 
|-
 
| {{change|<code>BurningSkull</code>|<code>minecraft:burning_skull</code>}}
 
| 23
 
| 128
 
| 192
 
| 64
 
| 64
 
|-
 
| {{change|<code>Skeleton</code>|<code>minecraft:skeleton</code>}}
 
| 24
 
| 192
 
| 64
 
| 64
 
| 48
 
|-
 
| {{change|<code>DonkeyKong</code>|<code>minecraft:donkey_kong</code>}}
 
| 25
 
| 192
 
| 112
 
| 64
 
  | 48
 
 
  |}
 
  |}
  
The {{Minecraft Wiki|Painting#Canvases|Minecraft Wiki article on paintings}} also provides a list of painting names to the actual images.
+
== Block Actions ==
  
==== Statistics ====
+
No changes so far.
  
Sent as a response to [[#Client_Status|Client Status]] (id 1).
+
== Inventories ==
  
{| class="wikitable"
+
No changes so far.
! Packet ID
 
! State
 
! Bound To
 
!colspan="2"| Field Name
 
!colspan="2"| Field Type
 
! Notes
 
|-
 
|rowspan="5"| 0x07
 
|rowspan="5"| Play
 
|rowspan="5"| Client
 
|colspan="2"| Count
 
|colspan="2"| VarInt
 
| Number of elements in the following array
 
|-
 
|rowspan="4"| Statistic
 
|{{Removed}}| Name
 
|rowspan="4"| Array
 
|{{Removed}}| String (32767)
 
|{{Removed}}| [https://gist.github.com/Alvin-LB/8d0d13db00b3c00fd0e822a562025eff https://gist.github.com/Alvin-LB/8d0d13db00b3c00fd0e822a562025eff]
 
|- {{Added}}
 
| Category ID
 
| VarInt
 
| See below
 
|- {{Added}}
 
| Statistic ID
 
| VarInt
 
| See below
 
|-
 
| Value
 
| VarInt
 
| The amount to set it to
 
|}
 
  
Categories (these are namespaced, but with <code>:</code>. replaced with <code>.</code>):
+
== Plugin Channels ==
  
{| class="wikitable"
+
No changes so far.
! Name
 
! ID
 
! Registry
 
|-
 
| <code>minecraft.mined</code>
 
| 0
 
| Blocks
 
|-
 
| <code>minecraft.crafted</code>
 
| 1
 
| Items
 
|-
 
| <code>minecraft.used</code>
 
| 2
 
| Items
 
|-
 
| <code>minecraft.broken</code>
 
| 3
 
| Items
 
|-
 
| <code>minecraft.picked_up</code>
 
| 4
 
| Items
 
|-
 
| <code>minecraft.dropped</code>
 
| 5
 
| Items
 
|-
 
| <code>minecraft.killed</code>
 
| 6
 
| Entities
 
|-
 
| <code>minecraft.killed_by</code>
 
| 7
 
| Entities
 
|-
 
| <code>minecraft.custom</code>
 
| 8
 
| Custom
 
|}
 
  
Blocks, Items, and Entities use block (not block state), item, and entity ids.
+
== Handshake ==
  
Custom has the following (unit only matters for clients):
+
=== Serverbound ===
  
{| class="wikitable"
+
==== Handshake ====
! Name
 
! ID
 
! Unit
 
|-
 
| <code>minecraft.leave_game</code>
 
| 0
 
| None
 
|-
 
| <code>minecraft.play_one_minute</code>
 
| 1
 
| Time
 
|-
 
| <code>minecraft.time_since_death</code>
 
| 2
 
| Time
 
|-
 
| <code>minecraft.sneak_Time</code>
 
| 3
 
| Time
 
|-
 
| <code>minecraft.walk_one_cm</code>
 
| 4
 
| Distance
 
|-
 
| <code>minecraft.crouch_one_cm</code>
 
| 5
 
| Distance
 
|-
 
| <code>minecraft.sprint_one_cm</code>
 
| 6
 
| Distance
 
|-
 
| <code>minecraft.swim_one_cm</code>
 
| 7
 
| Distance
 
|-
 
| <code>minecraft.fall_one_cm</code>
 
| 8
 
| Distance
 
|-
 
| <code>minecraft.climb_one_cm</code>
 
| 9
 
| Distance
 
|-
 
| <code>minecraft.fly_one_cm</code>
 
| 10
 
| Distance
 
|-
 
| <code>minecraft.dive_one_cm</code>
 
| 11
 
| Distance
 
|-
 
| <code>minecraft.minecart_one_cm</code>
 
| 12
 
| Distance
 
|-
 
| <code>minecraft.boat_one_cm</code>
 
| 13
 
| Distance
 
|-
 
| <code>minecraft.pig_one_cm</code>
 
| 14
 
| Distance
 
|-
 
| <code>minecraft.horse_one_cm</code>
 
| 15
 
| Distance
 
|-
 
| <code>minecraft.aviate_one_cm</code>
 
| 16
 
| Distance
 
|-
 
| <code>minecraft.jump</code>
 
| 17
 
| None
 
|-
 
| <code>minecraft.drop</code>
 
| 18
 
| None
 
|-
 
| <code>minecraft.damage_dealt</code>
 
| 19
 
| Damage
 
|-
 
| <code>minecraft.damage_taken</code>
 
| 20
 
| Damage
 
|-
 
| <code>minecraft.deaths</code>
 
| 21
 
| None
 
|-
 
| <code>minecraft.mob_kills</code>
 
| 22
 
| None
 
|-
 
| <code>minecraft.animals_bred</code>
 
| 23
 
| None
 
|-
 
| <code>minecraft.player_kills</code>
 
| 24
 
| None
 
|-
 
| <code>minecraft.fish_caught</code>
 
| 25
 
| None
 
|-
 
| <code>minecraft.talked_to_villager</code>
 
| 26
 
| None
 
|-
 
| <code>minecraft.traded_with_villager</code>
 
| 27
 
| None
 
|-
 
| <code>minecraft.eat_cake_slice</code>
 
| 28
 
| None
 
|-
 
| <code>minecraft.fill_cauldron</code>
 
| 29
 
| None
 
|-
 
| <code>minecraft.use_cauldron</code>
 
| 30
 
| None
 
|-
 
| <code>minecraft.clean_armor</code>
 
| 31
 
| None
 
|-
 
| <code>minecraft.clean_banner</code>
 
| 32
 
| None
 
|-
 
| <code>minecraft.interact_with_brewingstand</code>
 
| 33
 
| None
 
|-
 
| <code>minecraft.interact_with_beacon</code>
 
| 34
 
| None
 
|-
 
| <code>minecraft.inspect_dropper</code>
 
| 35
 
| None
 
|-
 
| <code>minecraft.inspect_hopper</code>
 
| 36
 
| None
 
|-
 
| <code>minecraft.inspect_dispenser</code>
 
| 37
 
| None
 
|-
 
| <code>minecraft.play_noteblock</code>
 
| 38
 
| None
 
|-
 
| <code>minecraft.tune_noteblock</code>
 
| 39
 
| None
 
|-
 
| <code>minecraft.pot_flower</code>
 
| 40
 
| None
 
|-
 
| <code>minecraft.trigger_trapped_chest</code>
 
| 41
 
| None
 
|-
 
| <code>minecraft.open_enderchest</code>
 
| 42
 
| None
 
|-
 
| <code>minecraft.enchant_item</code>
 
| 43
 
| None
 
|-
 
| <code>minecraft.play_record</code>
 
| 44
 
| None
 
|-
 
| <code>minecraft.interact_with_furnace</code>
 
| 45
 
| None
 
|-
 
| <code>minecraft.interact_with_crafting_table</code>
 
| 46
 
| None
 
|-
 
| <code>minecraft.open_chest</code>
 
| 47
 
| None
 
|-
 
| <code>minecraft.sleep_in_bed</code>
 
| 48
 
| None
 
|-
 
| <code>minecraft.open_shulker_box</code>
 
| 49
 
| None
 
|}
 
  
Units:
+
This causes the server to switch into the target state.
 
 
* None: just a normal number (formatted with 0 decimal places)
 
* Damage: value is 10 times the normal amount
 
* Distance: a distance in centimeters (hundredths of blocks)
 
* Time: a time span in ticks
 
 
 
==== Update Block Entity ====
 
 
 
Sets tile entity associated with the block at the given location.
 
  
 
{| class="wikitable"
 
{| class="wikitable"
Line 708: Line 337:
 
  ! Notes
 
  ! Notes
 
  |-
 
  |-
  |rowspan="3"| 0x09
+
  | rowspan="4"| 0x00
  |rowspan="3"| Play
+
  | rowspan="4"| Handshaking
  |rowspan="3"| Client
+
  | rowspan="4"| Server
  | Location
+
  | Protocol Version
  | Position
+
  | [[#Definitions:varint|VarInt]]
  |  
+
  | See [[protocol version numbers]] (currently 765 in Minecraft 1.20.4).
 
  |-
 
  |-
  | Action
+
  | Server Address
  | Unsigned Byte
+
  | [[#Definitions:string|String]] (255)
  | The type of update to perform, see below
+
  | 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 simple redirect, e.g. if _minecraft._tcp.example.com points to mc.example.org, users connecting to example.com will provide example.org as server address in addition to connecting to it.
 
  |-
 
  |-
  | NBT Data
+
  | Server Port
  | [[NBT|NBT Tag]]
+
  | [[#Definitions:unsigned-short|Unsigned Short]]
  | Data to setMay be a TAG_END (0), in which case the block entity at the given location is removed (though this is not required since the client will remove the block entity automatically on chunk unload or block removal)
+
  | Default is 25565. The Notchian server does not use this information.
 +
|-
 +
| Next State
 +
| [[#Definitions:varint|VarInt]] [[#Definitions:enum|Enum]]
 +
  | 1 for [[#Status|Status]], 2 for [[#Login|Login]]{{change||, 3 for [[#Login|Transfer]]}}.
 
  |}
 
  |}
  
''Action'' field:
+
== Status ==
  
* '''1''': Set data of a mob spawner (everything except for SpawnPotentials: current delay, min/max delay, mob to be spawned, spawn count, spawn range, etc.)
+
=== Clientbound ===
* '''2''': Set command block text (command and last execution status)
+
 
* '''3''': Set the level, primary, and secondary powers of a beacon
+
No changes so far.
* '''4''': Set rotation and skin of mob head
+
 
* {{Change|'''5''': Set type of flower in flower pot}}
+
=== Serverbound ===
* {{Change||'''5''': Declare a conduit}}
+
 
* '''6''': Set base color and patterns on a banner
+
No changes so far.
* '''7''': Set the data for a Structure tile entity
+
 
* '''8''': Set the destination for a end gateway
+
== Login ==
* '''9''': Set the text on a sign
 
* '''10''': Declare a shulker box, no data appears to be sent and the client seems to do fine without this packet. Perhaps it is a leftover from earlier versions?
 
* '''11''': {{change|Set the color of a bed|Declare a bed}}
 
  
==== Block Change ====
+
=== Clientbound ===
  
Fired whenever a block is changed within the render distance.
+
==== Cookie Request (login) ====
  
{{Warning2|Changing a block in a chunk that is not loaded is not a stable action.  The Notchian client currently uses a ''shared'' empty chunk which is modified for all block changes in unloaded chunks; while in 1.9 this chunk never renders in older versions the changed block will appear in all copies of the empty chunk.  Servers should avoid sending block changes in unloaded chunks and clients should ignore such packets.}}
+
Requests a cookie that was previously stored.
  
{| class="wikitable"
+
{| class="wikitable" {{added}}
 
  ! Packet ID
 
  ! Packet ID
 
  ! State
 
  ! State
 
  ! Bound To
 
  ! Bound To
  ! Field Name
+
  ! colspan="2"| Field Name
  ! Field Type
+
  ! colspan="2"| Field Type
 
  ! Notes
 
  ! Notes
 
  |-
 
  |-
  |rowspan="2"| 0x0B
+
  | rowspan="1"| 0x05
  |rowspan="2"| Play
+
  | rowspan="1"| Login
  |rowspan="2"| Client
+
  | rowspan="1"| Client
  | Location
+
  | colspan="2"| Key
| Position
+
  | colspan="2"| Identifier
  | Block Coordinates
+
  | The identifier of the cookie.
|-
 
| Block ID
 
| VarInt
 
  | The new block state ID for the block as given in the [[#global palette|global palette]].  {{change|(When reading data: <code>type {{=}} id >> 4</code>, <code>meta {{=}} id & 15</code>, when writing data: <code>id {{=}} type << 4 {{!}} (meta & 15)</code>)|See that section for more information.}}
 
 
  |}
 
  |}
  
==== Boss Bar ====  
+
=== Serverbound ===
 +
 
 +
==== Cookie Response (login) ====
 +
 
 +
Response to a [[#Cookie_Request_(login)|Cookie Request (login)]] from the server. The Notchian server only accepts responses of up to 5 kiB in size.
  
{| class="wikitable"
+
{| class="wikitable" {{added}}
 
  ! Packet ID
 
  ! Packet ID
 
  ! State
 
  ! State
 
  ! Bound To
 
  ! Bound To
  !colspan="2"| Field Name
+
  ! colspan="2"| Field Name
  ! Field Type
+
  ! colspan="2"| Field Type
 
  ! Notes
 
  ! Notes
 
  |-
 
  |-
  |rowspan="14"| 0x0C
+
  | rowspan="3"| 0x04
  |rowspan="14"| Play
+
  | rowspan="3"| Login
  |rowspan="14"| Client
+
  | rowspan="3"| Server
  |colspan="2"| UUID
+
  | colspan="2"| Key
| UUID
+
  | colspan="2"| Identifier
| Unique ID for this bar
+
  | The identifier of the cookie.
|-
 
  |colspan="2"| Action
 
| VarInt Enum
 
  | Determines the layout of the remaining packet
 
|-
 
! Action
 
! Field Name
 
!
 
!
 
|-
 
|rowspan="5"| 0: add
 
| Title
 
| [[Chat]]
 
|
 
 
  |-
 
  |-
  | Health
+
  | colspan="2"| Has Payload
| Float
+
  | colspan="2"| Boolean
| From 0 to 1. Values greater than 1 do not crash a Notchian client, and start [https://i.johni0702.de/nA.png rendering part of a second health bar] at around 1.5.
+
  | The payload is only present if the cookie exists on the client.
|-
 
| Color
 
| VarInt Enum
 
| Color ID (see below)
 
|-
 
| Division
 
| VarInt Enum
 
| Type of division (see below)
 
|-
 
| Flags
 
| Unsigned Byte
 
| Bit mask. 0x1: should darken sky, 0x2: is dragon bar (used to play end music){{change||, 0x04: create fog (previously was also controlled by 0x02)}}
 
|-
 
| 1: remove
 
| ''no fields''
 
| ''no fields''
 
| Removes this boss bar
 
|-
 
| 2: update health
 
| Health
 
  | Float
 
| as above
 
|-
 
| 3: update title
 
| Title
 
| [[Chat]]
 
|
 
|-
 
|rowspan="2"| 4: update style
 
  | Color
 
| VarInt Enum
 
| Color ID (see below)
 
|-
 
| Dividers
 
| VarInt Enum
 
| as above
 
|-
 
| 5: update flags
 
| Flags
 
| Unsigned Byte
 
| as above
 
 
  |-
 
  |-
 +
| colspan="2"| Payload
 +
| colspan="2"| Optional ByteArray(5120)
 +
| The data of the cookie, if any.
 
  |}
 
  |}
  
{| class="wikitable"
+
== Configuration ==
! ID
 
! Color
 
|-
 
| 0
 
| Pink
 
|-
 
| 1
 
| Blue
 
|-
 
| 2
 
| Red
 
|-
 
| 3
 
| Green
 
|-
 
| 4
 
| Yellow
 
|-
 
| 5
 
| Purple
 
|-
 
| 6
 
| White
 
|}
 
  
{| class="wikitable"
+
=== Clientbound ===
! ID
 
! Type of division
 
|-
 
| 0
 
| No division
 
|-
 
| 1
 
| 6 notches
 
|-
 
| 2
 
| 10 notches
 
|-
 
| 3
 
| 12 notches
 
|-
 
| 4
 
| 20 notches
 
|}
 
  
==== Multi Block Change ====
+
==== Cookie Request (configuration) ====
  
Fired whenever 2 or more blocks are changed within the same chunk on the same tick.
+
Requests a cookie that was previously stored.
  
{{Warning|Changing blocks in chunks not loaded by the client is unsafe (see note on [[#Block Change|Block Change]]).}}
+
{| class="wikitable" {{added}}
 
 
{| class="wikitable"
 
 
  ! Packet ID
 
  ! Packet ID
 
  ! State
 
  ! State
 
  ! Bound To
 
  ! Bound To
  !colspan="2"| Field Name
+
  ! colspan="2"| Field Name
  !colspan="2"| Field Type
+
  ! colspan="2"| Field Type
 
  ! Notes
 
  ! Notes
 
  |-
 
  |-
  |rowspan="6"| {{Change|0x10|0x0F}}
+
  | rowspan="1"| 0x00
  |rowspan="6"| Play
+
  | rowspan="1"| Configuration
  |rowspan="6"| Client
+
  | rowspan="1"| Client
  |colspan="2"| Chunk X
+
  | colspan="2"| Key
|colspan="2"| Int
+
  | colspan="2"| Identifier
| Chunk X coordinate
+
  | The identifier of the cookie.
|-
 
|colspan="2"| Chunk Z
 
  |colspan="2"| Int
 
| Chunk Z coordinate
 
|-
 
|colspan="2"| Record Count
 
|colspan="2"| VarInt
 
| Number of elements in the following array, i.e. the number of blocks affected
 
|-
 
|rowspan="3"| Record
 
| Horizontal Position
 
|rowspan="3"| Array
 
| Unsigned Byte
 
  | The 4 most significant bits (<code>0xF0</code>) encode the X coordinate, relative to the chunk. The 4 least significant bits (<code>0x0F</code>) encode the Z coordinate, relative to the chunk.
 
|-
 
| Y Coordinate
 
| Unsigned Byte
 
| Y coordinate of the block
 
|-
 
| Block ID
 
| VarInt
 
| The new block state ID for the block as given in the [[#global palette|global palette]].  {{change|(When reading data: <code>type {{=}} id >> 4</code>, <code>meta {{=}} id & 15</code>, when writing data: <code>id {{=}} type << 4 {{!}} (meta & 15)</code>)|See that section for more information.}}
 
 
  |}
 
  |}
  
To decode the position into a world position:
+
==== Store Cookie (configuration) ====
  
<syntaxhighlight lang="java">
+
Stores some arbitrary data on the client, which persists between server transfers. The Notchian client only accepts cookies of up to 5 kiB in size.
worldX = (horizPos >> 4 & 15) + (chunkX * 16);
 
worldY = vertPos;
 
worldZ = (horizPos & 15) + (chunkZ * 16);
 
</syntaxhighlight>
 
  
 
+
{| class="wikitable" {{added}}
==== Tab-Complete (clientbound) ====
 
 
 
Used to respond to the client's previous tab complete request.
 
 
 
{| class="wikitable"
 
 
  ! Packet ID
 
  ! Packet ID
 
  ! State
 
  ! State
 
  ! Bound To
 
  ! Bound To
  !colspan="2"| Field Name
+
  ! colspan="2"| Field Name
  !colspan="2"| Field Type
+
  ! colspan="2"| Field Type
 
  ! Notes
 
  ! Notes
 
  |-
 
  |-
  |rowspan="7"| {{Change|0x0E|0x10}}
+
  | rowspan="2"| 0x09
  |rowspan="7"| Play
+
  | rowspan="2"| Configuration
  |rowspan="7"| Client
+
  | rowspan="2"| Client
  |colspan="2" {{Added}}| Transaction Id
+
  | colspan="2"| Key
  |colspan="2" {{Added}}| VarInt
+
  | colspan="2"| Identifier
  |{{Added}}| This id should also be used in the tab completion response packet, or it will be ignored.
+
  | The identifier of the cookie.
|- {{Added}}
 
|colspan="2"|  Start
 
|colspan="2"|  VarInt
 
| Start of the text to replace
 
|- {{Added}}
 
|colspan="2"|  Length
 
|colspan="2"|  VarInt
 
| Length of the text to replace
 
|-
 
|colspan="2"|  Count
 
|colspan="2"|  VarInt
 
| Number of elements in the following array
 
 
  |-
 
  |-
  |rowspan="3"| Matches
+
  | colspan="2"| Payload
  | Match
+
  | colspan="2"| ByteArray(5120)
|rowspan="3"| Array
+
  | The data of the cookie.
| String (32767)
 
  | One eligible {{change|command|value to insert}}, note that each command is sent separately instead of in a single string, hence the need for Count.  {{change||Note that for instance this doesn't include a leading <code>/</code> on commands.}}
 
|-
 
|{{Added}}| Has tooltip
 
|{{Added}}| Boolean
 
|{{Added}}| True if the following is present
 
|-
 
|{{Added}}| Tooltip
 
|{{Added}}| Optional [[Chat]]
 
|{{Added}}| Tooltip to display; only present if previous Boolean is true
 
 
  |}
 
  |}
  
==== Plugin Message (clientbound) ====
+
==== Transfer (configuration) ====
  
{{Main|Plugin channels}}
+
Notifies the client that it should transfer to the given server. Cookies previously stored are preserved between server transfers.
  
Mods and plugins can use this to send their data. Minecraft itself uses a number of [[plugin channel]]s. These internal channels are prefixed with <code>MC|</code>.
+
{| class="wikitable" {{added}}
 
 
More documentation on this: [http://dinnerbone.com/blog/2012/01/13/minecraft-plugin-channels-messaging/ http://dinnerbone.com/blog/2012/01/13/minecraft-plugin-channels-messaging/]
 
 
 
{| class="wikitable"
 
 
  ! Packet ID
 
  ! Packet ID
 
  ! State
 
  ! State
 
  ! Bound To
 
  ! Bound To
  ! Field Name
+
  ! colspan="2"| Field Name
  ! Field Type
+
  ! colspan="2"| Field Type
 
  ! Notes
 
  ! Notes
 
  |-
 
  |-
  |rowspan="2"| {{Change|0x18|0x19}}
+
  | rowspan="2"| 0x0A
  |rowspan="2"| Play
+
  | rowspan="2"| Configuration
  |rowspan="2"| Client
+
  | rowspan="2"| Client
  | Channel
+
  | colspan="2"| Host
  | {{Change|String (20)|Identifier}}
+
  | colspan="2"| String
  | Name of the [[plugin channel]] used to send the data
+
  | The hostname of IP of the server.
 
  |-
 
  |-
  | Data
+
  | colspan="2"| Port
  | Byte Array
+
  | colspan="2"| VarInt
  | Any data, depending on the channel. <code><nowiki>MC|</nowiki></code> channels are documented [[plugin channel|here]].  The length of this array must be inferred from the packet length.
+
  | The port of the server.
 
  |}
 
  |}
  
 +
=== Serverbound ===
  
==== Named Sound Effect ====
+
==== Cookie Response (configuration) ====
{{See also|#Sound Effect}}
 
  
Used to play a sound effect on the client. Custom sounds may be added by resource packs.
+
Response to a [[#Cookie_Request_(configuration)|Cookie Request (configuration)]] from the server. The Notchian server only accepts responses of up to 5 kiB in size.
  
{| class="wikitable"
+
{| class="wikitable" {{added}}
 
  ! Packet ID
 
  ! Packet ID
 
  ! State
 
  ! State
 
  ! Bound To
 
  ! Bound To
  ! Field Name
+
  ! colspan="2"| Field Name
  ! Field Type
+
  ! colspan="2"| Field Type
 
  ! Notes
 
  ! Notes
 
  |-
 
  |-
  |rowspan="7"| {{Change|0x19|0x1A}}
+
  | rowspan="3"| 0x01
  |rowspan="7"| Play
+
  | rowspan="3"| Configuration
  |rowspan="7"| Client
+
  | rowspan="3"| Server
  | Sound Name
+
  | colspan="2"| Key
  | {{Change|String (256)|Identifier}}
+
  | colspan="2"| Identifier
  | All sound effect names as of 1.13-pre8 can be seen [http://pokechu22.github.io/Burger/1.13.html#sounds here].
+
  | The identifier of the cookie.
|-
 
| Sound Category
 
| VarInt Enum
 
| The category that this sound will be played from ([https://gist.github.com/konwboj/7c0c380d3923443e9d55 current categories])
 
 
  |-
 
  |-
  | Effect Position X
+
  | colspan="2"| Has Payload
  | Int
+
  | colspan="2"| Boolean
  | Effect X multiplied by 8 ([[Data types#Fixed-point numbers|fixed-point number]] with only 3 bits dedicated to the fractional part)
+
  | The payload is only present if the cookie exists on the client.
 
  |-
 
  |-
  | Effect Position Y
+
  | colspan="2"| Payload
  | Int
+
  | colspan="2"| Optional ByteArray(5120)
| Effect Y multiplied by 8 ([[Data types#Fixed-point numbers|fixed-point number]] with only 3 bits dedicated to the fractional part)
+
  | The data of the cookie, if any.
  |-
 
| Effect Position Z
 
| Int
 
| Effect Z multiplied by 8 ([[Data types#Fixed-point numbers|fixed-point number]] with only 3 bits dedicated to the fractional part)
 
|-
 
| Volume
 
| Float
 
| 1 is 100%, can be more
 
|-
 
| Pitch
 
| Float
 
| Float between 0.5 and 2.0 by Notchian clients
 
 
  |}
 
  |}
==== Effect ====
 
  
Sent when a client is to play a sound or particle effect.
+
== Play ==
 +
 
 +
=== Clientbound ===
 +
 
 +
==== Cookie Request (play) ====
  
By default, the Minecraft client adjusts the volume of sound effects based on distance. The final boolean field is used to disable this, and instead the effect is played from 2 blocks away in the correct direction. Currently this is only used for effect 1023 (wither spawn) and effect 1028 (enderdragon death); it is ignored on other effects.
+
Requests a cookie that was previously stored.
  
{| class="wikitable"
+
{| class="wikitable" {{added}}
 
  ! Packet ID
 
  ! Packet ID
 
  ! State
 
  ! State
 
  ! Bound To
 
  ! Bound To
  ! Field Name
+
  ! colspan="2"| Field Name
  ! Field Type
+
  ! colspan="2"| Field Type
 
  ! Notes
 
  ! Notes
 
  |-
 
  |-
  |rowspan="4"| {{Change|0x21|0x23}}
+
  | rowspan="1"| 0x16
  |rowspan="4"| Play
+
  | rowspan="1"| Play
  |rowspan="4"| Client
+
  | rowspan="1"| Client
  | Effect ID
+
  | colspan="2"| Key
| Int
+
  | colspan="2"| Identifier
  | The ID of the effect, see below
+
  | The identifier of the cookie.
|-
 
| Location
 
| Position
 
  | The location of the effect
 
|-
 
| Data
 
| Int
 
| Extra data for certain effects, see below
 
|-
 
| Disable Relative Volume
 
| Boolean
 
| See above
 
 
  |}
 
  |}
  
Effect IDs:
+
==== Store Cookie (play) ====
  
{| class="wikitable"
+
Stores some arbitrary data on the client, which persists between server transfers. The Notchian client only accepts cookies of up to 5 kiB in size.
! ID
 
! Name
 
! Data
 
|-
 
!colspan="3"| Sound
 
|-
 
| 1000
 
| Dispenser dispenses
 
|
 
|-
 
| 1001
 
| Dispenser fails to dispense
 
|
 
|-
 
| 1002
 
| Dispenser shoots
 
|
 
|-
 
| 1003
 
| Ender eye launched
 
|
 
|-
 
| 1004
 
| Firework shot
 
|
 
|-
 
| 1005
 
| Iron door opened
 
|
 
|-
 
| 1006
 
| Wooden door opened
 
|
 
|-
 
| 1007
 
| Wooden trapdoor opened
 
|
 
|-
 
| 1008
 
| Fence gate opened
 
|
 
|-
 
| 1009
 
| Fire extinguished
 
|
 
|-
 
| 1010
 
| Play record
 
| Special case, see below for more info
 
|-
 
| 1011
 
| Iron door closed
 
|
 
|-
 
| 1012
 
| Wooden door closed
 
|
 
|-
 
| 1013
 
| Wooden trapdoor closed
 
|
 
|-
 
| 1014
 
| Fence gate closed
 
|
 
|-
 
| 1015
 
| Ghast warns
 
|
 
|-
 
| 1016
 
| Ghast shoots
 
|
 
|-
 
| 1017
 
| Enderdragon shoots
 
|
 
|-
 
| 1018
 
| Blaze shoots
 
|
 
|-
 
| 1019
 
| Zombie attacks wood door
 
|
 
|-
 
| 1020
 
| Zombie attacks iron door
 
|
 
|-
 
| 1021
 
| Zombie breaks wood door
 
|
 
|-
 
| 1022
 
| Wither breaks block
 
|
 
|-
 
| 1023
 
| Wither spawned
 
|
 
|-
 
| 1024
 
| Wither shoots
 
|
 
|-
 
| 1025
 
| Bat takes off
 
|
 
|-
 
| 1026
 
| Zombie infects
 
|
 
|-
 
| 1027
 
| Zombie villager converted
 
|
 
|-
 
| 1028
 
| Ender dragon death
 
|
 
|-
 
| 1029
 
| Anvil destroyed
 
|
 
|-
 
| 1030
 
| Anvil used
 
|
 
|-
 
| 1031
 
| Anvil landed
 
|
 
|-
 
| 1032
 
| Portal travel
 
|
 
|-
 
| 1033
 
| Chorus flower grown
 
|
 
|-
 
| 1034
 
| Chorus flower died
 
|
 
|-
 
| 1035
 
| Brewing stand brewed
 
|
 
|-
 
| 1036
 
| Iron trapdoor opened
 
|
 
|-
 
| 1037
 
| Iron trapdoor closed
 
|
 
|-
 
!colspan="3"| Particle
 
|-
 
| 2000
 
| Spawns 10 smoke particles, e.g. from a fire
 
| Direction, see below
 
|-
 
| 2001
 
| Block break + block break sound
 
| | Block state, {{change|determined by <code>meta << 12 {{!}} block id</code> (this differs from normal global palette use)|as an index into the global palette}}
 
|-
 
| 2002
 
| Splash potion. Particle effect + glass break sound.
 
| [http://minecraft.gamepedia.com/Data_values#Potions Potion ID]
 
|-
 
| 2003
 
| Eye of Ender entity break animation — particles and sound
 
|
 
|-
 
| 2004
 
| Mob spawn particle effect: smoke + flames
 
|
 
|-
 
| 2005
 
| Bonemeal particles
 
| How many particles to spawn (if set to 0, 15 are spawned)
 
|-
 
| 2006
 
| Dragon breath
 
|
 
|-
 
| 2007
 
| Instant splash potion
 
| [http://minecraft.gamepedia.com/Data_values#Potions Potion ID]
 
|-
 
| 3000
 
| End gateway spawn
 
|
 
|-
 
| 3001
 
| Enderdragon growl
 
|
 
|}
 
  
Smoke directions:
+
{| class="wikitable" {{added}}
 
+
  ! Packet ID
{| class="wikitable"
+
  ! State
  ! ID
+
! Bound To
  ! Direction
+
! colspan="2"| Field Name
 +
! colspan="2"| Field Type
 +
! Notes
 
  |-
 
  |-
  | 0
+
  | rowspan="2"| 0x6A
  | South-East
+
| rowspan="2"| Play
 +
| rowspan="2"| Client
 +
| colspan="2"| Key
 +
| colspan="2"| Identifier
 +
  | The identifier of the cookie.
 
  |-
 
  |-
  | 1
+
  | colspan="2"| Payload
| South
+
  | colspan="2"| ByteArray(5120)
|-
+
  | The data of the cookie.
  | 2
 
| South-West
 
|-
 
| 3
 
| East
 
|-
 
| 4
 
| (Up or middle ?)
 
  |-
 
| 5
 
| West
 
|-
 
| 6
 
| North-East
 
|-
 
| 7
 
| North
 
|-
 
| 8
 
| North-West
 
 
  |}
 
  |}
  
Play record: This is actually a special case within this packet. You can start/stop a record at a specific location. Use a valid {{Minecraft Wiki|Music Discs|Record ID}} to start a record (or overwrite a currently playing one), any other value will stop the record.  {{Change||While this packet still uses item IDs, item IDs have changed in 1.13.}}
+
==== Transfer (play) ====
  
==== Spawn Particle ====
+
Notifies the client that it should transfer to the given server. Cookies previously stored are preserved between server transfers.
  
Displays the named particle
+
{| class="wikitable" {{added}}
 
 
{| class="wikitable"
 
 
  ! Packet ID
 
  ! Packet ID
 
  ! State
 
  ! State
 
  ! Bound To
 
  ! Bound To
  ! Field Name
+
  ! colspan="2"| Field Name
  ! Field Type
+
  ! colspan="2"| Field Type
 
  ! Notes
 
  ! Notes
 
  |-
 
  |-
  |rowspan="11"| {{Change|0x22|0x24}}
+
  | rowspan="2"| 0x72
  |rowspan="11"| Play
+
  | rowspan="2"| Play
  |rowspan="11"| Client
+
  | rowspan="2"| Client
  | Particle ID
+
  | colspan="2"| Host
  | Int
+
  | colspan="2"| String
  | The particle ID listed in [[#Particle]].
+
  | The hostname of IP of the server.
 
  |-
 
  |-
  | Long Distance
+
  | colspan="2"| Port
| Boolean
+
  | colspan="2"| VarInt
  | If true, particle distance increases from 256 to 65536
+
  | The port of the server.
|-
 
| X
 
| Float
 
| X position of the particle
 
|-
 
| Y
 
| Float
 
| Y position of the particle
 
|-
 
| Z
 
| Float
 
| Z position of the particle
 
|-
 
| Offset X
 
| Float
 
| This is added to the X position after being multiplied by random.nextGaussian()
 
|-
 
| Offset Y
 
| Float
 
| This is added to the Y position after being multiplied by random.nextGaussian()
 
|-
 
| Offset Z
 
| Float
 
| This is added to the Z position after being multiplied by random.nextGaussian()
 
|-
 
| Particle Data
 
| Float
 
  | The data of each particle
 
|-
 
| Particle Count
 
| Int
 
| The number of particles to create
 
|-
 
| Data
 
| {{Change|Array of VarInt|Varies}}
 
| {{Change|Length depends on particle. "iconcrack" has length of 2, "blockcrack", "blockdust", and "fallingdust" have lengths of 1, the rest have 0.|The variable data listed in [[#Particle]]}}
 
 
  |}
 
  |}
  
==== Map ====
+
==== Update Attributes ====
  
Updates a rectangular area on a {{Minecraft Wiki|map}} item.
+
Sets {{Minecraft Wiki|Attribute|attributes}} on the given entity.
  
 
{| class="wikitable"
 
{| class="wikitable"
Line 1,403: Line 603:
 
  ! State
 
  ! State
 
  ! Bound To
 
  ! Bound To
  !colspan="2"| Field Name
+
  ! colspan="2"| Field Name
  !colspan="2"| Field Type
+
  ! colspan="2"| Field Type
 
  ! Notes
 
  ! Notes
 
  |-
 
  |-
  |rowspan="16"| {{Change|0x24|0x26}}
+
  | rowspan="6"| 0x71
  |rowspan="16"| Play
+
  | rowspan="6"| Play
  |rowspan="16"| Client
+
  | rowspan="6"| Client
  |colspan="2"| Item Damage
+
  | colspan="2"| Entity ID
|colspan="2"| VarInt
+
  | colspan="2"| VarInt
| The damage value (map ID) of the map being modified
 
|-
 
|colspan="2"| Scale
 
|colspan="2"| Byte
 
| From 0 for a fully zoomed-in map (1 block per pixel) to 4 for a fully zoomed-out map (16 blocks per pixel)
 
|-
 
|colspan="2"| Tracking Position
 
|colspan="2"| Boolean
 
| Specifies whether the icons are shown
 
|-
 
|colspan="2"| Icon Count
 
  |colspan="2"| VarInt
 
| Number of elements in the following array
 
|-
 
|rowspan="6"| Icon
 
| {{Change|Direction And Type|Type}}
 
|rowspan="6"| Array
 
| {{Change|Byte|VarInt enum}}
 
| {{Change|0xF0 {{=}} Type, 0x0F {{=}} Direction|Type (see below)}}
 
|-
 
| X
 
| Byte
 
|
 
|-
 
| Z
 
| Byte
 
|
 
|- {{Added}}
 
| Direction
 
| Byte
 
| 0-15
 
|- {{Added}}
 
| Has Display Name
 
| Boolean
 
 
  |
 
  |
|- {{Added}}
 
| Display Name
 
| Optional [[Chat]]
 
| Only present if previous Boolean is true
 
|-
 
|colspan="2"| Columns
 
|colspan="2"| Byte
 
| Number of columns updated
 
 
  |-
 
  |-
  |colspan="2"| Rows
+
  | colspan="2"| Number Of Properties
  |colspan="2"| Optional Byte
+
  | colspan="2"| VarInt
  | Only if Columns is more than 0; number of rows updated
+
  | Number of elements in the following array.
 
  |-
 
  |-
  |colspan="2"| X
+
  | rowspan="4"| Property
  |colspan="2"| Optional Byte
+
  | {{change|Key|Id}}
  | Only if Columns is more than 0; x offset of the westernmost column
+
| rowspan="4"| Array
 +
| {{change|Identifier|VarInt Enum}}
 +
  | See below.
 
  |-
 
  |-
  |colspan="2"| Z
+
  | Value
  |colspan="2"| Optional Byte
+
  | Double
  | Only if Columns is more than 0; z offset of the northernmost row
+
  | See below.
 
  |-
 
  |-
  |colspan="2"| Length
+
  | Number Of Modifiers
  |colspan="2"| Optional VarInt
+
  | VarInt
  | Only if Columns is more than 0; length of the following array
+
  | Number of elements in the following array.
 
  |-
 
  |-
  |colspan="2"| Data
+
  | Modifiers
  |colspan="2"| Optional Array of Unsigned Byte
+
  | Array of Modifier Data
  | Only if Columns is more than 0; see {{Minecraft Wiki|Map item format}}
+
  | See {{Minecraft Wiki|Attribute#Modifiers}}. Modifier Data defined below.
 
  |}
 
  |}
  
For icons, a direction of 0 is a vertical icon and increments by 22.5&deg; (360/16).
+
Known Key values (see also {{Minecraft Wiki|Attribute#Modifiers}}):
 
 
Types are based off of rows and columns in <code>map_icons.png</code>:
 
  
 
{| class="wikitable"
 
{| class="wikitable"
 
  |-
 
  |-
  ! Icon type
+
  ! Id
  ! Result
+
  ! Key
 +
! Default
 +
! Min
 +
! Max
 +
! Label
 
  |-
 
  |-
 
  | 0
 
  | 0
  | White arrow (players)
+
  | generic.armor
 +
| 0.0
 +
| 0.0
 +
| 30.0
 +
| Armor.
 
  |-
 
  |-
 
  | 1
 
  | 1
  | Green arrow (item frames)
+
  | generic.armor_toughness
 +
| 0.0
 +
| 0.0
 +
| 20.0
 +
| Armor Toughness.
 
  |-
 
  |-
 
  | 2
 
  | 2
  | Red arrow
+
  | generic.attack_damage
 +
| 2.0
 +
| 0.0
 +
| 2048.0
 +
| Attack Damage.
 
  |-
 
  |-
 
  | 3
 
  | 3
  | Blue arrow
+
  | generic.attack_knockback
 +
| 0.0
 +
| 0.0
 +
| 5.0
 +
| Attack Knockback.
 
  |-
 
  |-
 
  | 4
 
  | 4
  | White cross
+
  | generic.attack_speed
  |-
+
| 4.0
 +
| 0.0
 +
| 1024.0
 +
| Attack Speed.
 +
  |- {{added}}
 
  | 5
 
  | 5
  | Red pointer
+
  | generic.block_interaction_range
  |-
+
| 4.5
 +
| 0.0
 +
| 64.0
 +
| Block Interaction Range.
 +
  |- {{added}}
 
  | 6
 
  | 6
  | White circle (off-map players)
+
  | generic.entity_interaction_range
 +
| 3.0
 +
| 0.0
 +
| 64.0
 +
| Entity Interaction Range.
 
  |-
 
  |-
 
  | 7
 
  | 7
  | Small white circle (far-off-map players)
+
  | generic.flying_speed
 +
| 0.4
 +
| 0.0
 +
| 1024.0
 +
| Flying Speed.
 
  |-
 
  |-
 
  | 8
 
  | 8
  | Mansion
+
  | generic.follow_range
 +
| 32.0
 +
| 0.0
 +
| 2048.0
 +
| Follow Range.
 
  |-
 
  |-
 
  | 9
 
  | 9
  | Temple
+
  | horse.jump_strength
  |- {{Added}}
+
| 0.7
 +
| 0.0
 +
| 2.0
 +
| Jump Strength.
 +
  |-
 
  | 10
 
  | 10
  | White Banner
+
  | generic.knockback_resistance
  |- {{Added}}
+
| 0.0
 +
| 0.0
 +
| 1.0
 +
| Knockback Resistance.
 +
  |-
 
  | 11
 
  | 11
  | Orange Banner
+
  | generic.luck
  |- {{Added}}
+
| 0.0
 +
| -1024.0
 +
| 1024.0
 +
| Luck.
 +
  |-
 
  | 12
 
  | 12
  | Magenta Banner
+
  | generic.max_absorption
  |- {{Added}}
+
| 0.0
 +
| 0.0
 +
| 2048.0
 +
| Max Absorption.
 +
  |-
 
  | 13
 
  | 13
  | Light Blue Banner
+
  | generic.max_health
  |- {{Added}}
+
| 20.0
 +
| 1.0
 +
| 1024.0
 +
| Max Health.
 +
  |-
 
  | 14
 
  | 14
  | Yellow Banner
+
  | generic.movement_speed
  |- {{Added}}
+
| 0.7
 +
| 0.0
 +
| 1024.0
 +
| Movement Speed.
 +
  |- {{added}}
 
  | 15
 
  | 15
  | Lime Banner
+
  | generic.scale
  |- {{Added}}
+
| 1.0
 +
| 0.0625
 +
| 16.0
 +
| Scale.
 +
  |-
 
  | 16
 
  | 16
  | Pink Banner
+
  | zombie.spawn_reinforcements
  |- {{Added}}
+
| 0.0
 +
| 0.0
 +
| 1.0
 +
| Spawn Reinforcements Chance.
 +
  |- {{added}}
 
  | 17
 
  | 17
  | Gray Banner
+
  | generic.step_height
  |- {{Added}}
+
  | 0.6
  | 18
+
  | 0.0
  | Light Gray Banner
+
  | 10.0
  |- {{Added}}
+
  | Step Height.
| 19
 
| Cyan Banner
 
|- {{Added}}
 
| 20
 
| Purple Banner
 
|- {{Added}}
 
| 21
 
| Blue Banner
 
|- {{Added}}
 
| 22
 
| Brown Banner
 
|- {{Added}}
 
| 23
 
| Green Banner
 
|- {{Added}}
 
| 24
 
| Red Banner
 
|- {{Added}}
 
| 25
 
| Black Banner
 
|- {{Added}}
 
| 26
 
| Treasure marker
 
 
  |}
 
  |}
  
==== Craft Recipe Response ====
+
''Modifier Data'' structure:
 
 
Response to the serverbound packet ([[#Craft Recipe Request|Craft Recipe Request]]), with the same recipe ID.  Appears to be used to notify the UI.
 
  
 
{| class="wikitable"
 
{| class="wikitable"
! Packet ID
 
! State
 
! Bound To
 
! Field Name
 
! Field Type
 
! Notes
 
 
  |-
 
  |-
|rowspan="2"| {{Change|0x2B|0x2D}}
 
|rowspan="2"| Play
 
|rowspan="2"| Client
 
| Window ID
 
| Byte
 
|
 
|-
 
| Recipe
 
| {{Change|VarInt|Identifer}}
 
| A recipe ID
 
|}
 
 
==== Unlock Recipes ====
 
 
{| class="wikitable"
 
! Packet ID
 
! State
 
! Bound To
 
 
  ! Field Name
 
  ! Field Name
 
  ! Field Type
 
  ! Field Type
 
  ! Notes
 
  ! Notes
 
  |-
 
  |-
  |rowspan="10"| {{Change|0x31|0x34}}
+
  | UUID
|rowspan="10"| Play
+
  | UUID
|rowspan="10"| Client
 
|-
 
| Action
 
| VarInt
 
| 0: init, 1: add, 2: remove
 
  |-
 
| Crafting Recipe Book Open
 
| Boolean
 
| If true, then the crafting recipe book will be open when the player opens its inventory.
 
|-
 
| Crafting Recipe Book Filter Active
 
| Boolean
 
| If true, then the filtering option is active when the players opens its inventory.
 
|-
 
|{{Added}}| Smelting Recipe Book Open
 
| Boolean
 
| If true, then the smelting recipe book will be open when the player opens its inventory.
 
|-
 
|{{Added}}| Smelting Recipe Book Filter Active
 
| Boolean
 
| If true, then the filtering option is active when the players opens its inventory.
 
|-
 
| Array size 1
 
| VarInt
 
| Number of elements in the following array
 
|-
 
| Recipe IDs
 
| Array of {{Change|VarInt|Identifier}}
 
 
  |
 
  |
 
  |-
 
  |-
  | Array size 2
+
  | Amount
  | Optional VarInt
+
  | Double
  | Number of elements in the following array, only present if mode is 0 (init)
+
  | May be positive or negative.
 
  |-
 
  |-
  | Recipe IDs
+
  | Operation
  | Optional Array of {{Change|VarInt|Identifier}}, only present if mode is 0 (init)
+
  | Byte
  |
+
  | See below.
 
  |}
 
  |}
Action:
 
* 0 (init) = All the recipes in the list 2 will added to the recipe book. All the recipes in list 1 will be tagged as displayed, recipes that aren't tagged will be shown in the notification. VERIFY LIST ORDER?
 
* 1 (add) = All the recipes in the list are added and their icon will be shown in the notification.
 
* 2 (remove) = Remove all the recipes in the list. This allows them to re-displayed when they are readded.
 
  
==== Scoreboard Objective ====
+
The operation controls how the base value of the modifier is changed.
  
This is sent to the client when it should create a new {{Minecraft Wiki|scoreboard}} objective or remove one.
+
* 0: Add/subtract amount
 
+
* 1: Add/subtract amount percent of the current value
{| class="wikitable"
+
* 2: Multiply by amount percent
! Packet ID
 
! State
 
! Bound To
 
! Field Name
 
! Field Type
 
! Notes
 
|-
 
|rowspan="4"| {{Change|0x42|0x45}}
 
|rowspan="4"| Play
 
|rowspan="4"| Client
 
| Objective Name
 
| String (16)
 
| An unique name for the objective
 
|-
 
| Mode
 
| Byte
 
| 0 to create the scoreboard. 1 to remove the scoreboard. 2 to update the display text.
 
|-
 
| Objective Value
 
| Optional {{Change|String (32)|Chat}}
 
| Only if mode is 0 or 2. The text to be displayed for the score
 
|-
 
| Type
 
| Optional {{change|String|VarInt Enum}}
 
| Only if mode is 0 or 2. {{change|“integer” or “hearts”|0 = "integer", 1 = "hearts"}}
 
|}
 
  
==== Teams ====
+
All of the 0's are applied first, and then the 1's, and then the 2's.
  
Creates and updates teams.
+
==== Entity Effect ====
  
 
{| class="wikitable"
 
{| class="wikitable"
Line 1,687: Line 810:
 
  ! State
 
  ! State
 
  ! Bound To
 
  ! Bound To
  !colspan="2"| Field Name
+
  ! Field Name
 
  ! Field Type
 
  ! Field Type
 
  ! Notes
 
  ! Notes
 
  |-
 
  |-
  |rowspan="27"| {{Change|0x44|0x47}}
+
  | rowspan="7"| 0x72
  |rowspan="27"| Play
+
  | rowspan="7"| Play
  |rowspan="27"| Client
+
  | rowspan="7"| Client
  |colspan="2"| Team Name
+
  | Entity ID
  | String (16)
+
  | VarInt
  | A unique name for the team. (Shared with scoreboard).
+
  |
 
  |-
 
  |-
  |colspan="2"| Mode
+
  | Effect ID
  | Byte
+
  | VarInt
  | Determines the layout of the remaining packet
+
  | See {{Minecraft Wiki|Status effect#Effect list|this table}}.
 
  |-
 
  |-
  |rowspan="11"| 0: create team
+
  | Amplifier
| Team Display Name
 
| {{Change|String (32)|Chat}}
 
|
 
|- {{Removed}}
 
| Team Prefix
 
| String (16)
 
| Displayed before the names of players that are part of this team
 
|- {{Removed}}
 
| Team Suffix
 
| String (16)
 
| Displayed after the names of players that are part of this team
 
|-
 
| Friendly Flags
 
 
  | Byte
 
  | Byte
  | Bit mask. 0x01: Allow friendly fire, 0x02: can see invisible players on same team
+
  | Notchian client displays effect level as Amplifier + 1.
 
  |-
 
  |-
  | Name Tag Visibility
+
  | Duration
| String Enum (32)
 
| <code>always</code>, <code>hideForOtherTeams</code>, <code>hideForOwnTeam</code>, <code>never</code>
 
|-
 
| Collision Rule
 
| String Enum (32)
 
| <code>always</code>, <code>pushOtherTeams</code>, <code>pushOwnTeam</code>, <code>never</code>
 
|-
 
| {{change|Color|Formatting}}
 
| {{Change|Byte|VarInt enum}}
 
| {{change|For colors, the same [[Chat]] colors (0-15). -1 indicates RESET/no color.|See below for more info.}}
 
|- {{Added}}
 
| Team Prefix
 
| Chat
 
| Displayed before the names of players that are part of this team
 
|- {{Added}}
 
| Team Suffix
 
| Chat
 
| Displayed after the names of players that are part of this team
 
|-
 
| Entity Count
 
 
  | VarInt
 
  | VarInt
  | Number of elements in the following array
+
  | Duration in ticks. (-1 for infinite)
 
  |-
 
  |-
  | Entities
+
  | Flags
| Array of String (40)
 
| Identifiers for the entities in this team.  For players, this is their username; for other entities, it is their UUID.
 
|-
 
| 1: remove team
 
| ''no fields''
 
| ''no fields''
 
|
 
|-
 
|rowspan="9"| 2: update team info
 
| Team Display Name
 
| {{Change|String (32)|Chat}}
 
|
 
|- {{Removed}}
 
| Team Prefix
 
| String (16)
 
| Displayed before the names of entities that are part of this team
 
|- {{Removed}}
 
| Team Suffix
 
| String (16)
 
| Displayed after the names of entities that are part of this team
 
|-
 
| Friendly Flags
 
 
  | Byte
 
  | Byte
  | Bit mask. 0x01: Allow friendly fire, 0x02: can see invisible entities on same team
+
  | Bit field, see below.
|-
+
  |- {{removed}}
| Name Tag Visibility
+
  | Has Factor Data
| String Enum (32)
+
  | Boolean
| <code>always</code>, <code>hideForOtherTeams</code>, <code>hideForOwnTeam</code>, <code>never</code>
+
  | Used in DARKNESS effect
|-
+
  |- {{removed}}
| Collision Rule
+
  | Factor Codec
| String Enum (32)
+
  | NBT Tag
| <code>always</code>, <code>pushOtherTeams</code>, <code>pushOwnTeam</code>, <code>never</code>
+
  | See below
|-
 
| {{change|Color|Formatting}}
 
| {{Change|Byte|VarInt enum}}
 
| {{change|For colors, the same [[Chat]] colors (0-15). -1 indicates RESET/no color.|See below for more info.}}
 
  |- {{Added}}
 
  | Team Prefix
 
  | Chat
 
  | Displayed before the names of players that are part of this team
 
  |- {{Added}}
 
  | Team Suffix
 
  | Chat
 
  | Displayed after the names of players that are part of this team
 
|-
 
|rowspan="2"| 3: add players to team
 
| Entity Count
 
| VarInt
 
| Number of elements in the following array
 
|-
 
| Entities
 
| Array of String (40)
 
| Identifiers for the entities added.  For players, this is their username; for other entities, it is their UUID.
 
|-
 
|rowspan="2"| 4: remove players from team
 
| Entity Count
 
| VarInt
 
| Number of elements in the following array
 
|-
 
| Entities
 
| Array of String (40)
 
| Identifiers for the entities removed.  For players, this is their username; for other entities, it is their UUID.
 
 
  |}
 
  |}
  
Formatting: The formatting of a team defines how the names of the team members are visualized. The following table lists all the possible formattings.
+
{{Need Info|What exact effect does the blend bit flag have on the client? What happens if it is used on effects besides DARKNESS?}}
 +
 
 +
Within flags:
 +
 
 +
* 0x01: Is ambient - was the effect spawned from a beacon?  All beacon-generated effects are ambient.  Ambient effects use a different icon in the HUD (blue border rather than gray).  If all effects on an entity are ambient, the [[Entity_metadata#Living Entity|"Is potion effect ambient" living metadata field]] should be set to true.  Usually should not be enabled.
 +
* 0x02: Show particles - should all particles from this effect be hidden?  Effects with particles hidden are not included in the calculation of the effect color, and are not rendered on the HUD (but are still rendered within the inventory).  Usually should be enabled.
 +
* 0x04: Show icon - should the icon be displayed on the client?  Usually should be enabled.
 +
* {{change||0x08: Blend - should the effect's hard-coded blending be applied?  Currently only used in the DARKNESS effect to apply extra void fog and adjust the gamma value for lighting.}}
  
{| class="wikitable"
+
{{change|Factor Data|}}
  ! ID
+
{| class="wikitable" {{removed}}
  ! Formatting
+
  !Name
 +
  !Type
 +
!style="width: 250px;" colspan="2"| Notes
 
  |-
 
  |-
  | 0-15
+
  | padding_duration
  | Color formatting, same values as [[Chat]] colors.
+
| TAG_INT
 +
  |
 
  |-
 
  |-
  | 16
+
  | factor_start
  | Obfuscated
+
| TAG_FLOAT
 +
  |
 
  |-
 
  |-
  | 17
+
  | factor_target
  | Bold
+
| TAG_FLOAT
 +
  |
 
  |-
 
  |-
  | 18
+
  | factor_current
  | Strikethrough
+
| TAG_FLOAT
 +
  |
 
  |-
 
  |-
  | 19
+
  | effect_changed_timestamp
  | Underlined
+
  | TAG_INT
 
  |-
 
  |-
  | 20
+
  | factor_previous_frame
  | Italic
+
  | TAG_FLOAT
 
  |-
 
  |-
  | 21
+
  | had_effect_last_tick
  | Reset
+
  | TAG_BOOLEAN
 
  |}
 
  |}
 
=== Serverbound ===
 
 
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 ===
 
=== Serverbound ===
  
==== Handshake ====
+
==== Cookie Response (play) ====
  
This causes the server to switch into the target state.
+
Response to a [[#Cookie_Request_(play)|Cookie Request (play)]] from the server. The Notchian server only accepts responses of up to 5 kiB in size.
  
{| class="wikitable"
+
{| class="wikitable" {{added}}
 
  ! Packet ID
 
  ! Packet ID
 
  ! State
 
  ! State
 
  ! Bound To
 
  ! Bound To
  ! Field Name
+
  ! colspan="2"| Field Name
  ! Field Type
+
  ! colspan="2"| Field Type
 
  ! Notes
 
  ! Notes
 
  |-
 
  |-
  |rowspan="4"| 0x00
+
  | rowspan="3"| 0x6A
  |rowspan="4"| Handshaking
+
  | rowspan="3"| Play
  |rowspan="4"| Server
+
  | rowspan="3"| Server
  | Protocol Version
+
  | colspan="2"| Key
  | VarInt
+
  | colspan="2"| Identifier
  | See [[protocol version numbers]] (currently {{change|340|401}})
+
  | The identifier of the cookie.
 
  |-
 
  |-
  | Server Address
+
  | colspan="2"| Has Payload
| String
+
  | colspan="2"| Boolean
  | Hostname or IP, e.g. localhost or 127.0.0.1, that was used to connect.  The Notchian server does not use this information.
+
  | The payload is only present if the cookie exists on the client.
|-
 
  | Server Port
 
| Unsigned Short
 
| Default is 25565.  The Notchian server does not use this information.
 
 
  |-
 
  |-
  | Next State
+
  | colspan="2"| Payload
  | VarInt Enum
+
  | colspan="2"| Optional ByteArray(5120)
  | 1 for [[#Status|status]], 2 for [[#Login|login]]
+
  | The data of the cookie, if any.
 
  |}
 
  |}
 
== 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]]

Revision as of 05:25, 26 February 2024

This page documents the changes from the last stable Minecraft release (currently 1.20.4, protocol 765) to the current pre-release (currently 24w03b, protocol Snapshot 172). Note that this page contains bleeding-edge information that may not be completely or correctly documented.

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.

Contents

Data types

No changes so far.

Packets

ID Packet name Documentation
Handshake serverbound
0x00 Handshake Current Pre
Login clientbound
0x05 Cookie Request (login) Pre
Login serverbound
0x04 Cookie Response (login) Pre
Configuration clientbound
0x00 Cookie Request (configuration) Pre
0x00 0x01 Clientbound Plugin Message (configuration) Current (unchanged)
0x01 0x02 Disconnect (configuration) Current (unchanged)
0x02 0x03 Finish Configuration Current (unchanged)
0x03 0x04 Clientbound Keep Alive (configuration) Current (unchanged)
0x04 0x05 Ping (configuration) Current (unchanged)
0x05 0x06 Registry Data Current (unchanged)
0x06 0x07 Remove Resource Pack (configuration) Current (unchanged)
0x07 0x08 Add Resource Pack (configuration) Current (unchanged)
0x09 Store Cookie (configuration) Pre
0x0A Transfer (configuration) Pre
0x08 0x0B Feature Flags Current (unchanged)
0x09 0x0C Update Tags (configuration) Current (unchanged)
Configuration serverbound
0x01 Cookie Response (configuration) Pre
0x01 0x02 Serverbound Plugin Message (configuration) Current (unchanged)
0x02 0x03 Finish Configuration Current (unchanged)
0x03 0x04 Serverbound Keep Alive (configuration) Current (unchanged)
0x04 0x05 Pong (configuration) Current (unchanged)
0x05 0x06 Resource Pack Response (configuration) Current (unchanged)
Play clientbound
0x16 Cookie Request (Play) Pre
0x16 0x17 Set Cooldown Current (unchanged)
0x17 0x18 Chat Suggestions Current (unchanged)
0x18 0x19 Clientbound Plugin Message (play) Current (unchanged)
0x19 0x1A Damage Event Current (unchanged)
0x1A 0x1B Delete Message Current (unchanged)
0x1B 0x1C Disconnect (play) Current (unchanged)
0x1C 0x1D Disguised Chat Message Current (unchanged)
0x1D 0x1E Entity Event Current (unchanged)
0x1E 0x1F Explosion Current (unchanged)
0x1F 0x20 Unload Chunk Current (unchanged)
0x20 0x21 Game Event Current (unchanged)
0x21 0x22 Open Horse Screen Current (unchanged)
0x22 0x23 Hurt Animation Current (unchanged)
0x23 0x24 Initialize World Border Current (unchanged)
0x24 0x25 Clientbound Keep Alive (play) Current (unchanged)
0x25 0x26 Chunk Data and Update Light Current (unchanged)
0x26 0x27 World Event Current (unchanged)
0x27 0x28 Particle Current (unchanged)
0x28 0x29 Update Light Current (unchanged)
0x29 0x2A Login (play) Current (unchanged)
0x2A 0x2B Map Data Current (unchanged)
0x2B 0x2C Merchant Offers Current (unchanged)
0x2C 0x2D Update Entity Position Current (unchanged)
0x2D 0x2E Update Entity Position and Rotation Current (unchanged)
0x2E 0x2F Update Entity Rotation Current (unchanged)
0x2F 0x30 Move Vehicle Current (unchanged)
0x30 0x31 Open Book Current (unchanged)
0x31 0x32 Open Screen Current (unchanged)
0x32 0x33 Open Sign Editor Current (unchanged)
0x33 0x34 Ping (play) Current (unchanged)
0x34 0x35 Ping Response (play) Current (unchanged)
0x35 0x36 Place Ghost Recipe Current (unchanged)
0x36 0x37 Player Abilities Current (unchanged)
0x37 0x38 Player Chat Message Current (unchanged)
0x38 0x39 End Combat Current (unchanged)
0x39 0x3A Enter Combat Current (unchanged)
0x3A 0x3B Combat Death Current (unchanged)
0x3B 0x3C Player Info Remove Current (unchanged)
0x3C 0x3D Player Info Update Current (unchanged)
0x3D 0x3E Look At Current (unchanged)
0x3E 0x3F Synchronize Player Position Current (unchanged)
0x3F 0x40 Update Recipe Book Current (unchanged)
0x40 0x41 Remove Entities Current (unchanged)
0x41 0x42 Remove Entity Effect Current (unchanged)
0x42 0x43 Reset Score Current (unchanged)
0x43 0x44 Remove Resource Pack (play) Current (unchanged)
0x44 0x45 Add Resource Pack (play) Current (unchanged)
0x45 0x46 Respawn Current (unchanged)
0x46 0x47 Set Head Rotation Current (unchanged)
0x47 0x48 Update Section Blocks Current (unchanged)
0x48 0x49 Select Advancements Tab Current (unchanged)
0x49 0x4A Server Data Current (unchanged)
0x4A 0x4B Set Action Bar Text Current (unchanged)
0x4B 0x4C Set Border Center Current (unchanged)
0x4C 0x4D Set Border Lerp Size Current (unchanged)
0x4D 0x4E Set Border Size Current (unchanged)
0x4E 0x4F Set Border Warning Delay Current (unchanged)
0x4F 0x50 Set Border Warning Distance Current (unchanged)
0x50 0x51 Set Camera Current (unchanged)
0x51 0x52 Set Held Item Current (unchanged)
0x52 0x53 Set Center Chunk Current (unchanged)
0x53 0x54 Set Render Distance Current (unchanged)
0x54 0x55 Set Default Spawn Position Current (unchanged)
0x55 0x56 Display Objective Current (unchanged)
0x56 0x57 Set Entity Metadata Current (unchanged)
0x57 0x58 Link Entities Current (unchanged)
0x58 0x59 Set Entity Velocity Current (unchanged)
0x59 0x5A Set Equipment Current (unchanged)
0x5A 0x5B Set Experience Current (unchanged)
0x5B 0x5C Set Health Current (unchanged)
0x5C 0x5D Update Objectives Current (unchanged)
0x5D 0x5E Set Passengers Current (unchanged)
0x5E 0x5F Update Teams Current (unchanged)
0x5F 0x60 Update Score Current (unchanged)
0x60 0x61 Set Simulation Distance Current (unchanged)
0x61 0x62 Set Subtitle Text Current (unchanged)
0x62 0x63 Update Time Current (unchanged)
0x63 0x64 Set Title Text Current (unchanged)
0x64 0x65 Set Title Animation Times Current (unchanged)
0x65 0x66 Entity Sound Effect Current (unchanged)
0x66 0x67 Sound Effect Current (unchanged)
0x67 0x68 Start Configuration Current (unchanged)
0x68 0x69 Stop Sound Current (unchanged)
0x6A Store Cookie (Play) Pre
0x69 0x6B System Chat Message Current (unchanged)
0x6A 0x6C Set Tab List Header And Footer Current (unchanged)
0x6B 0x6D Tag Query Response Current (unchanged)
0x6C 0x6E Pickup Item Current (unchanged)
0x6D 0x6F Teleport Entity Current (unchanged)
0x6E 0x70 Set Ticking State Current (unchanged)
0x6F 0x71 Step Tick Current (unchanged)
0x72 Transfer (Play) Pre
0x70 0x73 Update Advancements Current (unchanged)
0x71 0x74 Update Attributes Current Pre
0x72 0x75 Entity Effect Current Pre
0x73 0x76 Update Recipes Current (unchanged)
0x74 0x77 Update Tags (play) Current (unchanged)
Play serverbound
0x10 Cookie Response (play) Pre
0x10 0x11 Serverbound Plugin Message (play) Current (unchanged)
0x11 0x12 Edit Book Current (unchanged)
0x12 0x13 Query Entity Tag Current (unchanged)
0x13 0x14 Interact Current (unchanged)
0x14 0x15 Jigsaw Generate Current (unchanged)
0x15 0x16 Serverbound Keep Alive (play) Current (unchanged)
0x16 0x17 Lock Difficulty Current (unchanged)
0x17 0x18 Set Player Position Current (unchanged)
0x18 0x19 Set Player Position and Rotation Current (unchanged)
0x19 0x1A Set Player Rotation Current (unchanged)
0x1A 0x1B Set Player On Ground Current (unchanged)
0x1B 0x1C Move Vehicle Current (unchanged)
0x1C 0x1D Paddle Boat Current (unchanged)
0x1D 0x1E Pick Item Current (unchanged)
0x1E 0x1F Ping Request (play) Current (unchanged)
0x1F 0x20 Place Recipe Current (unchanged)
0x20 0x21 Player Abilities Current (unchanged)
0x21 0x22 Player Action Current (unchanged)
0x22 0x23 Player Command Current (unchanged)
0x23 0x24 Player Input Current (unchanged)
0x24 0x25 Pong (play) Current (unchanged)
0x25 0x26 Change Recipe Book Settings Current (unchanged)
0x26 0x27 Set Seen Recipe Current (unchanged)
0x27 0x28 Rename Item Current (unchanged)
0x28 0x29 Resource Pack Response (play) Current (unchanged)
0x29 0x2A Seen Advancements Current (unchanged)
0x2A 0x2B Select Trade Current (unchanged)
0x2B 0x2C Set Beacon Effect Current (unchanged)
0x2C 0x2D Set Held Item Current (unchanged)
0x2D 0x2E Program Command Block Current (unchanged)
0x2E 0x2F Program Command Block Minecart Current (unchanged)
0x2F 0x30 Set Creative Mode Slot Current (unchanged)
0x30 0x31 Program Jigsaw Block Current (unchanged)
0x31 0x32 Program Structure Block Current (unchanged)
0x32 0x33 Update Sign Current (unchanged)
0x33 0x34 Swing Arm Current (unchanged)
0x34 0x35 Teleport To Entity Current (unchanged)
0x35 0x36 Use Item On Current (unchanged)
0x36 0x37 Use Item Current (unchanged)

New/modified data types

No changes so far.

Entity Metadata

Type Name Value Notes
0 Byte Byte
1 VarInt VarInt
2 VarLong VarLong
3 Float Float
4 String String
5 Text Component Text Component
6 Optional Text Component (Boolean, Optional Text Component) Text Component is present if the Boolean is set to true.
7 Slot Slot
8 Boolean Boolean
9 Rotations (Float, Float, Float) rotation on x, rotation on y, rotation on z
10 Position Position
11 Optional Position (Boolean, Optional Position) Position is present if the Boolean is set to true.
12 Direction VarInt Enum Down = 0, Up = 1, North = 2, South = 3, West = 4, East = 5
13 Optional UUID (Boolean, Optional UUID) UUID is present if the Boolean is set to true.
14 Block State VarInt An ID in the block state registry.
15 Optional Block State VarInt 0 for absent (air is unrepresentable); otherwise, an ID in the block state registry.
16 NBT NBT
17 Particle (VarInt, Varies) particle type (an ID in the minecraft:particle_type registry), particle data (See Particles.)
18 Villager Data (VarInt, VarInt, VarInt) villager type, villager profession, level (See below.)
19 Optional VarInt VarInt 0 for absent; 1 + actual value otherwise. Used for entity IDs.
20 Pose VarInt Enum STANDING = 0, FALL_FLYING = 1, SLEEPING = 2, SWIMMING = 3, SPIN_ATTACK = 4, SNEAKING = 5, LONG_JUMPING = 6, DYING = 7, CROAKING = 8, USING_TONGUE = 9, SITTING = 10, ROARING = 11, SNIFFING = 12, EMERGING = 13, DIGGING = 14, SLIDING = 15, SHOOTING = 16, INHALING = 17
21 Cat Variant VarInt An ID in the minecraft:cat_variant registry.
22 Frog Variant VarInt An ID in the minecraft:frog_variant registry.
23 Optional Global Position (Boolean, Optional Identifier, Optional Position) dimension identifier, position; only if the Boolean is set to true.
24 Painting Variant VarInt An ID in the minecraft:painting_variant registry.
25 Sniffer State VarInt Enum IDLING = 0, FEELING_HAPPY = 1, SCENTING = 2, SNIFFING = 3, SEARCHING = 4, DIGGING = 5, RISING = 6
26 Armadillo State VarInt Enum IDLE = 0, ROLLING = 1, SCARED = 2
26 27 Vector3 (Float, Float, Float) x, y, z
27 28 Quaternion (Float, Float, Float, Float) x, y, z, w

Armadillo

Extends Animal.

Index Type Meaning Default
17 Armadillo State (26) Armadillo State IDLE

Block Actions

No changes so far.

Inventories

No changes so far.

Plugin Channels

No changes so far.

Handshake

Serverbound

Handshake

This causes the server to switch into the target state.

Packet ID State Bound To Field Name Field Type Notes
0x00 Handshaking Server Protocol Version VarInt See protocol version numbers (currently 765 in Minecraft 1.20.4).
Server Address String (255) 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 simple redirect, e.g. if _minecraft._tcp.example.com points to mc.example.org, users connecting to example.com will provide 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, 2 for Login, 3 for Transfer.

Status

Clientbound

No changes so far.

Serverbound

No changes so far.

Login

Clientbound

Cookie Request (login)

Requests a cookie that was previously stored.

Packet ID State Bound To Field Name Field Type Notes
0x05 Login Client Key Identifier The identifier of the cookie.

Serverbound

Cookie Response (login)

Response to a Cookie Request (login) from the server. The Notchian server only accepts responses of up to 5 kiB in size.

Packet ID State Bound To Field Name Field Type Notes
0x04 Login Server Key Identifier The identifier of the cookie.
Has Payload Boolean The payload is only present if the cookie exists on the client.
Payload Optional ByteArray(5120) The data of the cookie, if any.

Configuration

Clientbound

Cookie Request (configuration)

Requests a cookie that was previously stored.

Packet ID State Bound To Field Name Field Type Notes
0x00 Configuration Client Key Identifier The identifier of the cookie.

Store Cookie (configuration)

Stores some arbitrary data on the client, which persists between server transfers. The Notchian client only accepts cookies of up to 5 kiB in size.

Packet ID State Bound To Field Name Field Type Notes
0x09 Configuration Client Key Identifier The identifier of the cookie.
Payload ByteArray(5120) The data of the cookie.

Transfer (configuration)

Notifies the client that it should transfer to the given server. Cookies previously stored are preserved between server transfers.

Packet ID State Bound To Field Name Field Type Notes
0x0A Configuration Client Host String The hostname of IP of the server.
Port VarInt The port of the server.

Serverbound

Cookie Response (configuration)

Response to a Cookie Request (configuration) from the server. The Notchian server only accepts responses of up to 5 kiB in size.

Packet ID State Bound To Field Name Field Type Notes
0x01 Configuration Server Key Identifier The identifier of the cookie.
Has Payload Boolean The payload is only present if the cookie exists on the client.
Payload Optional ByteArray(5120) The data of the cookie, if any.

Play

Clientbound

Cookie Request (play)

Requests a cookie that was previously stored.

Packet ID State Bound To Field Name Field Type Notes
0x16 Play Client Key Identifier The identifier of the cookie.

Store Cookie (play)

Stores some arbitrary data on the client, which persists between server transfers. The Notchian client only accepts cookies of up to 5 kiB in size.

Packet ID State Bound To Field Name Field Type Notes
0x6A Play Client Key Identifier The identifier of the cookie.
Payload ByteArray(5120) The data of the cookie.

Transfer (play)

Notifies the client that it should transfer to the given server. Cookies previously stored are preserved between server transfers.

Packet ID State Bound To Field Name Field Type Notes
0x72 Play Client Host String The hostname of IP of the server.
Port VarInt The port of the server.

Update Attributes

Sets attributes on the given entity.

Packet ID State Bound To Field Name Field Type Notes
0x71 Play Client Entity ID VarInt
Number Of Properties VarInt Number of elements in the following array.
Property Key Id Array Identifier VarInt Enum See below.
Value Double See below.
Number Of Modifiers VarInt Number of elements in the following array.
Modifiers Array of Modifier Data See Attribute#Modifiers. Modifier Data defined below.

Known Key values (see also Attribute#Modifiers):

Id Key Default Min Max Label
0 generic.armor 0.0 0.0 30.0 Armor.
1 generic.armor_toughness 0.0 0.0 20.0 Armor Toughness.
2 generic.attack_damage 2.0 0.0 2048.0 Attack Damage.
3 generic.attack_knockback 0.0 0.0 5.0 Attack Knockback.
4 generic.attack_speed 4.0 0.0 1024.0 Attack Speed.
5 generic.block_interaction_range 4.5 0.0 64.0 Block Interaction Range.
6 generic.entity_interaction_range 3.0 0.0 64.0 Entity Interaction Range.
7 generic.flying_speed 0.4 0.0 1024.0 Flying Speed.
8 generic.follow_range 32.0 0.0 2048.0 Follow Range.
9 horse.jump_strength 0.7 0.0 2.0 Jump Strength.
10 generic.knockback_resistance 0.0 0.0 1.0 Knockback Resistance.
11 generic.luck 0.0 -1024.0 1024.0 Luck.
12 generic.max_absorption 0.0 0.0 2048.0 Max Absorption.
13 generic.max_health 20.0 1.0 1024.0 Max Health.
14 generic.movement_speed 0.7 0.0 1024.0 Movement Speed.
15 generic.scale 1.0 0.0625 16.0 Scale.
16 zombie.spawn_reinforcements 0.0 0.0 1.0 Spawn Reinforcements Chance.
17 generic.step_height 0.6 0.0 10.0 Step Height.

Modifier Data structure:

Field Name Field Type Notes
UUID UUID
Amount Double May be positive or negative.
Operation Byte See below.

The operation controls how the base value of the modifier is changed.

  • 0: Add/subtract amount
  • 1: Add/subtract amount percent of the current value
  • 2: Multiply by amount percent

All of the 0's are applied first, and then the 1's, and then the 2's.

Entity Effect

Packet ID State Bound To Field Name Field Type Notes
0x72 Play Client Entity ID VarInt
Effect ID VarInt See this table.
Amplifier Byte Notchian client displays effect level as Amplifier + 1.
Duration VarInt Duration in ticks. (-1 for infinite)
Flags Byte Bit field, see below.
Has Factor Data Boolean Used in DARKNESS effect
Factor Codec NBT Tag See below
Huh.png The following information needs to be added to this page:
What exact effect does the blend bit flag have on the client? What happens if it is used on effects besides DARKNESS?

Within flags:

  • 0x01: Is ambient - was the effect spawned from a beacon? All beacon-generated effects are ambient. Ambient effects use a different icon in the HUD (blue border rather than gray). If all effects on an entity are ambient, the "Is potion effect ambient" living metadata field should be set to true. Usually should not be enabled.
  • 0x02: Show particles - should all particles from this effect be hidden? Effects with particles hidden are not included in the calculation of the effect color, and are not rendered on the HUD (but are still rendered within the inventory). Usually should be enabled.
  • 0x04: Show icon - should the icon be displayed on the client? Usually should be enabled.
  • 0x08: Blend - should the effect's hard-coded blending be applied? Currently only used in the DARKNESS effect to apply extra void fog and adjust the gamma value for lighting.

Factor Data

Name Type Notes
padding_duration TAG_INT
factor_start TAG_FLOAT
factor_target TAG_FLOAT
factor_current TAG_FLOAT
effect_changed_timestamp TAG_INT
factor_previous_frame TAG_FLOAT
had_effect_last_tick TAG_BOOLEAN

Serverbound

Cookie Response (play)

Response to a Cookie Request (play) from the server. The Notchian server only accepts responses of up to 5 kiB in size.

Packet ID State Bound To Field Name Field Type Notes
0x6A Play Server Key Identifier The identifier of the cookie.
Has Payload Boolean The payload is only present if the cookie exists on the client.
Payload Optional ByteArray(5120) The data of the cookie, if any.