MinecraftForge/MinecraftForge — pull request #1112 by diesieben07 (2014-05-29 01:49:51+00:00)
Title: Add PlayerEvent.StartTracking and .StopTracking

Allows for mods to Sync their data properly when using e.g. `IExtendedEntityProperties` by firing off an event when a player starts tracking an entity (receiving updates about e.g. motion).
Also makes `EntityTracker#trackedEntityIDs` public.