Improves performance for D2 on Intel Macs. Especially while playing summonmancer.
Run:
Build project (libD2Patch.dylib should appear on desktop)
cd /Applications/Diablo\ II/Diablo\ II.app/Contents/MacOS/
DYLD_INSERT_LIBRARIES=~/Desktop/libD2Patch.dylib ./Diablo\ II
Will add ~100-150 MB ram used