Classic Protocol Extension/History

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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. [1]

6 April 2014

  • Removed the TopLeft MessageType and updated the screenshot. [2]

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. [3]

28 February 2014

  • Small addition stating the use of the EntityID byte of ChangeModel having to do with the players own model. [4]

19 December 2013

  • Added several more MessageType codes, and added a screenshot to show them in action. [5]

16 December 2013

  • Added HackControl and MessageType extension proposals. [6]

8 December 2013

  • Clarified extension names vs packet names. [7]

6 November 2013

  • Corrected listed size of MakeSelection and HoldThis packets. [8]

5 November 2013

  • Restricted SideBlock and EdgeBlock fields of EnvMapAppearance packet to solid blocks. [9]

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). [10]
  • Added EnvWeatherType packet and extension. [11]
  • Clarified Negotiation section. [12]

27 October 2013

  • Clarified introduction text. [13]

9 October 2013

  • Added a note to CustomBlocks about future block ID assignment. [14]

30 September 2013

  • Added a note to Negotiation about making assumptions based on AppName [15]

29 September 2013

  • Added ability to reset ALL block type permissions using SetBlockPermission packet with BlockType set to 0. [16]
  • Finished detailed EnvMapAppearance specification. [17]
  • Finished detailed SelectionCuboid specification. [18]
  • Formatting fixes. [19]

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. [20]

11 September 2013

  • Added a picture of CustomBlocks level 1. [21]

3 September 2013

  • Corrected packet sizes for EnvSetColor and ChangeModel packets. [22]
  • Changed EnvSetColor and MakeSelection packets to use short instead of unsigned byte data types. [23]

2 September 2013

  • Filled in details for ChangeModel extension. [24]
  • Added EnvMapAppearance extension. [25]

1 September 2013

  • Changed SpiderWeb block type to Rope in CustomBlocks level 1. [26]

30 August 2013

29 August 2013

  • Added BlockPermissions extension. [29]