Add item/CGItem.{h,cpp} with two null-safe accessors for a CGItem's two
descriptor-like pointers:
InstanceBlock(cgItem) -> CGItem + 0x08 (item GUID @ +0, itemID @ +0x0C)
ObjectFields(cgItem) -> CGItem + 0x114 (stack/flags/charges/durability/...)
Replace the 30 hand-written `*reinterpret_cast<const uint8_t *const *>(x +
OFF_ITEM_INSTANCE_BLOCK/OFF_ITEM_DESCRIPTOR)` derefs across 24 files with
these calls. Behavior-preserving: same deref, all reads were already const,
and each site keeps its own null-check and field reads. Helpers add a
cgItem null guard (strictly safer).
The repo was internally inconsistent: the LICENSE file is GPL v3 but every
src/ header carried the LGPL v3 notice and the README said "LGPL v3 or
later". LGPL was also the wrong fit — this is an injected mod plus a
bundled addon, not a library other code links against, so LGPL's linking
exception buys nothing.
It's also required: src/voicechat/Tts.cpp is ported from awesome_wotlk's
VoiceChat.cpp, which is GPL v3, and a derivative of GPL code cannot be
relicensed under more permissive terms. Dependencies stay compatible —
MinHook (BSD-2) and the nampower-mirrored packet shapes (BSD) are
GPL-compatible, and SAPI is covered by the system-library exception.
Swept "GNU Lesser General Public License" -> "GNU General Public License"
across all 257 src/ headers and changed the README license line to match
the GPL v3 LICENSE file. Comment-only; no build impact.
Brues