Classic Protocol Extension/History

19 November 2017

• Clarified when whitespace should be trimmed or preserved when handling LongerMessages: [1]

13 November 2017

• Added three missing models to the ChangeModel table. [2]

21 June 2017‎

• Added finalized version of EnvMapAspect extension, deprecated EnvMapAppearanceversion 2.
• Added finalized version of EntityProperty extension.
• Added finalized version of ExtEntityPositions extension.

9 May 2016‎

• Added finalized version 2 of EnvMapAppearance extension, deprecated version 1.
• Added finalized version 2 of BlockDefinitionsExt extension, deprecated version 1.

19 March 2016‎

• Added finalized version of BulkBlockUpdate extension.

8 February 2016

• Added finalized version of TextColors extension.

10 January 2016

• Added finalized version of BlockDefinitions and BlockDefinitionsExt extension.

11 December 2015

• Added finalized version of LongerMessages and FullCP437 extension.

31 October 2014

• Clarified interaction between ExtPlayerList and ChangeModel. [3]

28 October 2014

• Added finalized version of PlayerClick extension. [4]

6 October 2014

• Finalized version 2 of ExtPlayerList extension and moved obsoleted version 1 to a separate subpage. [5]

28 August 2014

• Added a draft of version 2 of ExtPlayerList extension. [6]

18 July 2014

• SetBlockPermissions packet: Values for AllowPlacement and AllowDeletion that are our-of-range (neither 0 nor 1) now mean "allow." Previously the meaning was undefined. [7]

6 April 2014

• Removed the TopLeft MessageType and updated the screenshot. [8]

5 April 2014

• Corrected hexadecimal packet IDs for MakeSelection, RemoveSelection, and SetBlockPermission. Decimal IDs (26-28) were correct all along, bug hex IDs were incorrect. [9]

28 February 2014

• Small addition stating the use of the EntityID byte of ChangeModel having to do with the players own model. [10]

19 December 2013

• Added several more MessageType codes, and added a screenshot to show them in action. [11]

16 December 2013

• Added HackControl and MessageType extension proposals. [12]

8 December 2013

• Clarified extension names vs packet names. [13]

6 November 2013

• Corrected listed size of MakeSelection and HoldThis packets. [14]

5 November 2013

• Restricted SideBlock and EdgeBlock fields of EnvMapAppearance packet to solid blocks. [15]

31 October 2013

• Restricted the timeframe when EnvMapAppearance packet may be sent. It is now only allowed at the end of a level transition (between the last LevelDataChunk packet and the LevelFinalize packet). [16]
• Added EnvWeatherType packet and extension. [17]
• Clarified Negotiation section. [18]

27 October 2013

• Clarified introduction text. [19]

9 October 2013

• Added a note to CustomBlocks about future block ID assignment. [20]

30 September 2013

• Added a note to Negotiation about making assumptions based on AppName [21]

29 September 2013

• Added ability to reset ALL block type permissions using SetBlockPermission packet with BlockType set to 0. [22]
• Finished detailed EnvMapAppearance specification. [23]
• Finished detailed SelectionCuboid specification. [24]
• Formatting fixes. [25]

25 September 2013

• Added details about value ranges for EnvSetColor packet's fields. Added ability to reset colors to defaults by specifying an out-of-range value. [26]

11 September 2013

• Added a picture of CustomBlocks level 1. [27]

3 September 2013

• Corrected packet sizes for EnvSetColor and ChangeModel packets. [28]
• Changed EnvSetColor and MakeSelection packets to use short instead of unsigned byte data types. [29]

2 September 2013

• Filled in details for ChangeModel extension. [30]
• Added EnvMapAppearance extension. [31]

1 September 2013

• Changed SpiderWeb block type to Rope in CustomBlocks level 1. [32]

30 August 2013

• Rewrote ExtPlayerList spec, for clarity. [33]
• Changed TextHotKey to use LWJGL keycodes instead of SDL keycodes. [34]

29 August 2013

• Added BlockPermissions extension. [35]