Protocol for r/21_u1 NetworkProtocolVersion 705

[oswaldolb]

Minecraft Network Protocol Docs 06/13/2024

For r21_u1, Network Protocol Version 705

New Packets

ClientboundCloseFormPacket:

• No properties

JigsawStructureDataPacket:

• Added mJigsawStructureDataTag (CompoundTag)

ServerboundLoadingScreenPacket:

• Added mServerboundLoadingScreenPacketType (enum ServerboundLoadingScreenPacketType) [enum description below]
• Added mLoadingScreenId.value (brstd::optional<uint32_t>)

Deprecated Packets

• TickSyncPacket

Packet Changes

ChangeDimensionPacket:

• Added mLoadingScreenId.value (brstd::optional<uint32_t>)

DisconnectPacket:

• Added mFilteredMessage.value_or(Util::EMPTY_STRING) (std::string)

EditorNetworkPacket:

• Added mRouteToManager (bool)

MobArmorEquipmentPacket:

• Added mBody (NetworkItemStackDescriptor)

SetTitlePacket:

• Added mFilteredTitleText.value_or(Util::EMPTY_STRING) (std::string)

StopSoundPacket:

• Added mStopMusicLegacy (bool)

Other File Changes

ActorLink:

• Added link.mVehicleAngularVelocity (float)

CameraPreset:

• Added mViewOffset (brstd::optional)
• Added mListener (brstd::optional)

PacketItemUseLegacyInventoryTransaction:

• Added mTargetBlockId (BlockRuntimeId)
• Added mClientPredictedResult(ItemUseInventoryTransaction::PredictedResult) [enum description below]

New Enums

ItemUseInventoryTransaction::PredictedResult:

• Added Failure(0)
• Added Success(1)

ServerboundLoadingScreenPacketType:

• Added Unknown(0)
• Added StartLoadingScreen(1)
• Added EndLoadingScreen(2)

Enum Changes

ActorFlags:

• Removed Unknown

ItemStackRequestActionType:

• Added PlaceInItemContainer_DEPRECATED(7)
• Added TakeFromItemContainer_DEPRECATED(8)
• Removed PlaceInItemContainer
• Removed TakeFromItemContainer

MinecraftPacketIds:

• Added BlockPalette_deprecated(116)
• Added TitleSpecificPacketsStart(200)
• Added TitleSpecificPacketsEnd(299)
• Added ClientboundCloseScreen(310)
• Added ClientboundLoadingScreenPacket_Deprecated(311)
• Added ServerboundLoadingScreenPacket(312)
• Added JigsawStructureDataPacket(313)
• Changed EndId from 310 to 314
• Removed BlockPalette

SerializedAbilitiesData::SerializedAbilitiesLayer:

• Added LoadingScreen(5)

StructureTemplateRequestOperation:

• Removed Import

StructureTemplateResponseType:

• Removed Import

[yshroff-dev]

We probably don't need to pull this to main. R21_U1 never ended up shipping. Though I think it's fine for the branch to stick around.

[theaddonn]

Thanks, this is still helpful for preparing to support R21_U2.