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NetworkChunkPublisherUpdatePacket (121)

Tells clients to update the chunk view for the local player.
Used (from the server) when a user's Chunk View moves, I.e. the area that determines what chunks exist. For ClientSideGeneration we also send the client a list of ChunkPos that the Server will fully build.
Field Name Type Field Index Description
New position for view (Required) BlockPos 0

BlockPos

Field Name Type Field Index Description
X (Required) varint32 0
Y (Required) varint32 1
Z (Required) varint32 2
New radius for view (Required) varuint32 1
Server Built Chunks List (Required) array<ChunkPos> 2

ChunkPos (['No size compression']) (Array Item)

Field Name Type Field Index Description
X (Required) varint32 0
Z (Required) varint32 1