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It's possible to create multiple WorldFrames, either by <WorldFrame> tag in XML or by CreateFrame("WorldFrame").
While this might not be a bug in itself (it's actually a very nice feature, for instance makes it possible to make a rearview mirror addon) there are some bug involved with it.
1: On Logout / ReloadUI, WoW crashes with a memory exception:
Q u o t e:
ERROR #124 (0x8510007c) Memory Invalid Block
Program: D:\Games\World of Warcraft\WoW.exe
Object: .PAVPass@FFX@@
SMem3: Pointer does not refer to a valid allocated block of memory
2: All animations runs too fast. If you have 2 WorldFrames, animations runs in 2x speed, 3 WorldFrames: 3x speed, etc. NOTE: this has NO effect on movement speed, cooldowns etc (so no speedhacks or anything), it's just the visual animations that runs too fast.
3: There are some minor quirks when multiple WorldFrames are creates.
* When a new WorldFrame is create, the camera in the old WorldFrame is frozen, holding down left mousebutton and moving the mouse, only changes the camera in the newest created WorldFrame.
* Only the newest created WorldFrame accepts mouse-clicks for interacting with objects in the 3D world (selecting mobs, doodas, area for area spells etc).
It could be nice to retain the feature to create multiple WorldFrames, for instance for dual-screen setups, rearview mirror addons etc, but ofcourse, it might be considered too big an advantage from a balance point-of-view, or other problem/dicisions might hinder this.
Maldivia, Sargeras
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