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bedrock-protocol-docs/previous_changelogs/changelog_471_10_5_21.md
Oswaldo Leyva Barrientos 933599d224 Protocol version 622 for r/20_u7
2024-02-15 15:10:22 -08:00

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Minecraft Network Protocol Docs 10/5/21

For r17_u4, Network Protocol Version 471

Packet Changes

ActorLink:

  • Renamed Rider Initiated to Passenger Initiated

ClientboundMapItemDataPacket

  • Fixed an issue where the first branching on Creation Bit was not being correctly checked.

EventPacket:

  • Added Objective Name for CodeBuilderScoreboard type (string)
  • Added Code Builder Scoreboard Score for CodeBuilderScoreboard type (var int)
  • Fixed an issue where it did not have the proper end range value for Type, having its values truncated on the documents.

LevelChunkPacket:

  • Branching for "Client needs to request subchunks?"

Renamed RiderJumpPacket to PassengerJumpPacket

SubChunkPacket

  • Added Dimension Type (int32)
  • Added Sub Chunk Pos (type)
  • Added Serialized Sub Chunk (string)
  • Added Result (SubChunkRequestResult)
  • Added Height Map Data Type (HeightMapDataType)
  • Added Subchunk Height Map (array<array<int8_t, CHUNK_WIDTH>, CHUNK_WIDTH>>) Apologies for the Height Map being spread out into multiple fields. We already have a high priority work item to change the underlying data type to make it more readable.

SubChunkRequestPacket

  • Added Dimension Type (int32)
  • Added Sub Chunk Pos (type)

Be careful when responding to SubChunkRequestPackets otherwise we could have a repeat of the java version's "Nocom" exploit - vet the request first to make sure it's valid before responding with a SubChunkPacket!

Enum Changes

ActorDataIDs:

  • Added SEAT_LOCK_PASSENGER_ROTATION(57)
  • Added SEAT_LOCK_PASSENGER_ROTATION_DEGREES(58)
  • Removed SEAT_LOCK_RIDER_ROTATION
  • Removed SEAT_LOCK_RIDER_ROTATION_DEGREES

ActorFlags:

  • Added PASSENGER_CAN_PICK(60)
  • Removed RIDER_CAN_PICK

EventPacket::Type:

  • Added CodeBuilderScoreboard(27)
  • Added StriderRiddenInLavaInOverworld(28)
  • Added SneakCloseToSculkSensor(29)

ItemStackRequestActionType:

  • Added ScreenLabTableCombine(7)
  • Added ScreenBeaconPayment(8)
  • Added ScreenHUDMineBlock(9)
  • Added CraftRepairAndDisenchant(14)
  • Added CraftLoom(15)
  • Changed CraftNonImplemented_DEPRECATEDASKTYLAING from 14 to 16
  • Changed CraftResults_DEPRECATEDASKTYLAING from 15 to 17
  • Changed Test from 16 to 18
  • Removed LabTableCombine
  • Removed BeaconPayment
  • Removed MineBlock

LevelEvent:

  • Added SculkCatalystBloom(2036)

LevelSoundEvent:

  • Added SculkCatalystBloom(365)

MinecraftPacketIds:

  • Added PassengerJump(20)
  • Changed PhotoInfoRequest from 173 to 0
  • Added SubChunkPacket(174)
  • Added SubChunkRequestPacket(175)
  • Changed EndId from 174 to 176
  • Removed RiderJump

MolangVersion:

  • Added ExpressionErrorMessages(3)
  • Added UnexpectedOperatorErrors(4)
  • Displaced NumValidVersions

ParticleType:

  • Added SculkSoul(83)
  • Displaced _count

New Enums

HeightMapDataType

  • Added NoData(0)
  • Added HasData(1)
  • Added AllTooHigh(2)
  • Added AllTooLow(3)

SubChunkRequestResult

  • Added Undefined(0)
  • Added Success(1)
  • Added LevelChunkDoesntExist(2)
  • Added WrongDimension(3)
  • Added PlayerDoesntExist(4)
  • Added IndexOutOfBounds(5)