Packets used to inform the client about changes to the world
/ blocks. These are sent by a variety of
different callers, in particular
- PlayerInstance (for changes to blocks or chunks)
- WorldServer
- WorldManager (for animation and sound effects)
They are nearly all processed by WorldClient.
Typical server origin
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NetClientHandler (Client processing)
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Called by Client during
processing
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Packet51MapChunk
Send an entire chunk to the client.
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PlayerInstance
.sendChunkUpdate (if many modified blocks)
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.handleMapChunk()
Performs full chunk update of blocks, metadata, light levels, and
optionally biome data.
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WorldClient
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Packet52MultiBlockChange
Send a number of changed blocks (with metadata) at once.
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PlayerInstance
.sendChunkUpdate (for modified blocks) |
.handleMultiBlockChange()
Change all of the blocks listed in the packet – all must be within a
single stack of 16 chunks high (y = 0-256)
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WorldClient
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Packet53BlockChange
Change a single block+metadata
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ItemInWorldManager
PlayerInstance
NetServerHandler (packet 14 & 15)
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.handleBlockChange()
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WorldClient
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Packet54PlayNoteBlock
Trigger a BlockEvent on the client (eg play a note, extend/retract a piston)
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WorldServer
.sendAndApplyBlockEvents |
.handleBlockEvent()
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WorldClient. addBlockEvent
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Packet55BlockDestroy
Tell the client to show a block destruction animation.
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WorldManager
.destroyBlockPartially |
.handleBlockDestroy()
Doesn’t actually destroy the block, just creates a DestroyBlockProgress at the specified [x,y,z] to control the animation.
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WorldClient
.destroyBlockInWorldPartially |
Packet56MapChunks
Send multiple chunks to the client.
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EntityPlayerMP
. onUpdate()
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.handleMapChunks()
Performs full chunk update of blocks, metadata, light levels, and
optionally biome data.
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WorldClient
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Packet60Explosion
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WorldServer.newExplosion
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.handleExplosion()
Performs the explosion on the client (sound, move player, destroy
blocks, item drop, etc)
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Explosion (on WorldClient)
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Packet61DoorChange
Play a sound on the client
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WorldManager
.playAuxSFX
.broadcastSound
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.handleDoorChange()
appears limited to one or two specific sounds only
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WorldClient
.playAuxSFX
.playBroadcastSound
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Packet62LevelSound
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WorldManager
CommandPlaySound
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.handleLevelSound()
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WorldClient
.playSound |
Packet63WorldParticles
Spawn particles on the client
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Appears to be unused
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.handleWorldParticles()
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WorldClient
.spawnParticle
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Packet70GameEvent
Sends various game events to client
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EntityPlayerMP
WorldServer
EntityArrow
ServerConfigurationManager
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.handleGameEvent()
Chat message, raining on/off, game type (survival etc),
show “game won” screen, demo mode (?), play a hit sound (by arrow)
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WorldClient
EntityClientPlayerMP
+ several others
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Packet71Weather
Lightning strike
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WorldServer
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.handleWeather()
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WorldClient
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Packet130UpdateSign
Tells the client the text on a sign.
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PlayerInstance
EntityPlayerMP
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.handleUpdateSign()
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TileEntitySign
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Packet131MapData
Sends the data for the current map to the client, if the player is
currently looking at the map in their hands.
Also hijacked by Forge for sending other non-map data?
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EntityPlayerMP
ItemMap
PacketDispatcher
.getTinyPacket |
.handleMapData()
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FMLNetworkHandler
.handlePacket131Packet
--->ItemMap.getMPMapData (vanilla)
Or
NetworkRegistry.handleTinyPacket
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Packet132TileEntityData
Updates a TileEntity with new data, eg
TileEntityMobSpawner
TileEntityBeacon
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Several TileEntityXXXX
. getDescriptionPacket
(Name is misleading)
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.handleTileEntityData()
Retrieves the TileEntity at the given [x,y,z] and calls.readFromNBT (selected vanilla) or .onDataPacket (all others)
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TileEntity
.readFromNBT
.onDataPacket (FORGE)
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