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| − | This page documents the changes from the [[Protocol|last stable Minecraft release]] (currently 1.4.5, protocol 49) to the current pre-release (or weekly release). Note that this page contains bleeding-edge information that may not be completely or correctly documented.
| + | There is currently a pre-release version available: 1.21-pre2, but it has not yet been documented. For the latest stable Minecraft release, see the [[Protocol|Protocol]] page. For previous pre-release pages, see the [[Protocol version numbers|Protocol version numbers]] page. |
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| − | == New Packets ==
| + | 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. |
| − | -None-
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| | | | |
| − | == Changed Packets == | + | == Contents == |
| | | | |
| − | -None-
| + | <div style="float:right;">__TOC__</div> |
| | | | |
| − | == Changed Data Types == | + | === Data types === |
| | | | |
| − | === Spawn Object/Vehicle (0x17) ===
| + | No changes so far. |
| | | | |
| − | ''Server to Client''
| + | === Packets === |
| | | | |
| − | {| class="wikitable"
| + | No changes so far. |
| − | |- class="row0"
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| − | | class="col0" | Packet ID
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| − | | class="col1" | Field Name
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| − | | class="col2" | Field Type
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| − | | class="col3" | Example
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| − | | class="col4" | Notes
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| − | |- class="row1"
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| − | | class="col0 centeralign" rowspan="9" | 0x17
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| − | | class="col1 centeralign" | EID
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| − | | class="col2 centeralign" | int
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| − | | class="col3 centeralign" | <code>62</code>
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| − | | class="col4" | Entity ID of the Object
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| − | |- class="row2"
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| − | | class="col0 centeralign" | Type
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| − | | class="col1 centeralign" | byte
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| − | | class="col2 centeralign" | <code>11</code>
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| − | | class="col3" | The type of object (see [[Entities#Objects]])
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| − | |- class="row3"
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| − | | class="col0 centeralign" | X
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| − | | class="col1 centeralign" | int
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| − | | class="col2 centeralign" | <code>16080</code>
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| − | | class="col3" | The Absolute Integer X Position of the object
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| − | |- class="row4"
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| − | | class="col0 centeralign" | Y
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| − | | class="col1 centeralign" | int
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| − | | class="col2 centeralign" | <code>2299</code>
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| − | | class="col3" | The Absolute Integer Y Position of the object
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| − | |- class="row5"
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| − | | class="col0 centeralign" | Z
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| − | | class="col1 centeralign" | int
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| − | | class="col2 centeralign" | <code>592</code>
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| − | | class="col3" | The Absolute Integer Z Position of the object
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| − | |- class="row5"
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| − | | class="col0 centeralign" | '''Yaw'''
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| − | | class="col1 centeralign" | '''byte'''
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| − | | class="col2 centeralign" | '''<code>0</code>'''
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| − | | class="col3" | '''The yaw in steps of 2p/256'''
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| − | |- class="row5"
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| − | | class="col0 centeralign" | '''Pitch'''
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| − | | class="col1 centeralign" | '''byte'''
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| − | | class="col2 centeralign" | '''<code>67</code>'''
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| − | | class="col3" | '''The pitch in steps of 2p/256 '''
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| − | |- class="row6"
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| − | | class="col0 centeralign" | [[Object Data]]
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| − | | class="col1 centeralign" |
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| − | | class="col2 centeralign" |
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| − | | class="col3" | [[Object Data]]
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| − | |- class="row6"
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| − | | class="col0" | Total Size:
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| − | | class="col1 rightalign" colspan="4" | 22 or 28 bytes
| |
| − | |}
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| | | | |
| − | === Map Chunk Bulk (0x38) ===
| + | [[Category:Minecraft Modern]] |
| − | | |
| − | ''Server to Client''
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| − | | |
| − | {| class="wikitable"
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| − | |- class="row0"
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| − | | class="col0" | Packet ID
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| − | | class="col1" | Field Name
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| − | | class="col2" | Field Type
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| − | | class="col3" | Example
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| − | | class="col4" | Notes
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| − | |- class="row1"
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| − | | class="col0 centeralign" rowspan=5 | 0x38
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| − | | class="col1 centeralign" | Chunk Count
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| − | | class="col2 centeralign" | short
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| − | | class="col3 centeralign" |
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| − | | class="col4" | The number of chunks in this packet
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| − | |- class="row2"
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| − | | class="col0 centeralign" | Chunk data length
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| − | | class="col1 centeralign" | int
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| − | | class="col2 centeralign" |
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| − | | class="col3" | the size of the data field
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| − | |- class="row2"
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| − | | class="col0 centeralign" | '''Unknown use'''
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| − | | class="col1 centeralign" | '''boolean'''
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| − | | class="col2 centeralign" |
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| − | | class="col3" | '''Has only been observed as true when sniffing a vanilla connection.'''
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| − | |- class="row3"
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| − | | class="col0 centeralign" | Data
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| − | | class="col1 centeralign" | byte array
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| − | | class="col2 centeralign" |
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| − | | class="col3" | Compressed chunk data
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| − | |- class="row4"
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| − | | class="col0 centeralign" | meta information
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| − | | class="col1 centeralign" | chunk bulk meta information
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| − | | class="col2 centeralign" |
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| − | | class="col3 centeralign" | Chunk count times the Meta information structure (See notes for details)
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| − | |- class="row5"
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| − | | class="col0" | Total Size:
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| − | | class="col1 rightalign" colspan="4" | 7 + (Chunk data size) + 12 * (Chunk Count) bytes
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| − | |}
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| − | | |
| − | == Removed Packets ==
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| − | | |
| − | 0x15 "Spawn Dropped Item" has been removed, and its purpose is now handled by 0x17 "Spawn Object/Vehicle". The entity type ID is 0x02. You can set the item type by sending an 0x28 "Entity Metadata" packet with a slot at index 10. [https://gist.github.com/4325656 Vanilla packet dump]
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| − | | |
| − | == Protocol History ==
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| − | | |
| − | '''1.4.6 Pre-release'''
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| − | | |
| − | Protocol version is now 51. Spawn dropped item (0x15) removed, merged into spawn object (0x17). Map chunk bulk (0x38) adds a boolean field with unknown purpose.
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| − | | |
| − | '''12w49a'''
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| − | | |
| − | Protocol version is now 50. Packet 0x10 is sent both ways. Packet 0x17 has two new bytes, currently unknown.
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