Classic Protocol Extension/History

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.

28 February 2014

• Small addition stating the use of the EntityID byte of ChangeModel having to do with the players own model. [1]

19 December 2013

• Added several more MessageType codes, and added a screenshot to show them in action. [2]

16 December 2013

• Added HackControl and MessageType extension proposals. [3]

8 December 2013

• Clarified extension names vs packet names. [4]

6 November 2013

• Corrected listed size of MakeSelection and HoldThis packets. [5]

5 November 2013

• Restricted SideBlock and EdgeBlock fields of EnvMapAppearance packet to solid blocks. [6]

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). [7]
• Added EnvWeatherType packet and extension. [8]
• Clarified Negotiation section. [9]

27 October 2013

• Clarified introduction text. [10]

9 October 2013

• Added a note to CustomBlocks about future block ID assignment. [11]

30 September 2013

• Added a note to Negotiation about making assumptions based on AppName [12]

29 September 2013

• Added ability to reset ALL block type permissions using SetBlockPermission packet with BlockType set to 0. [13]
• Finished detailed EnvMapAppearance specification. [14]
• Finished detailed SelectionCuboid specification. [15]
• Formatting fixes. [16]

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. [17]

11 September 2013

• Added a picture of CustomBlocks level 1. [18]

3 September 2013

• Corrected packet sizes for EnvSetColor and ChangeModel packets. [19]
• Changed EnvSetColor and MakeSelection packets to use short instead of unsigned byte data types. [20]

2 September 2013

• Filled in details for ChangeModel extension. [21]
• Added EnvMapAppearance extension. [22]

1 September 2013

• Changed SpiderWeb block type to Rope in CustomBlocks level 1. [23]

30 August 2013

• Rewrote ExtPlayerList spec, for clarity. [24]
• Changed TextHotKey to use LWJGL keycodes instead of SDL keycodes. [25]

29 August 2013

• Added BlockPermissions extension. [26]