suprepupre/wow-optimize v2.2.0

wow_optimize v2.2.0

on GitHub

wow_optimize v2.2.0

New Features

MPQ Memory Mapping

• MPQ archive files (256KB–512MB) are now memory-mapped via MapViewOfFile
• Reads from mapped archives skip kernel transitions entirely — direct memory copy
• Retroactive handle scanner finds MPQ files opened during WoW startup (before hooks install)
• 8 files / 836MB typically mapped on a standard WoW 3.3.5a install
• SEH-protected — page faults fall back gracefully to read-ahead cache

Multi-Client Support

• Automatically detects multiple WoW instances via named mutex
• Single client: 0.5ms timer resolution, precise busy-wait for best frame pacing
• Multi-client: 1.0ms timer, yield-based sleep — prevents 100% CPU usage
• No configuration needed — fully automatic

Periodic Stats Dump

• Key performance stats are logged every 5 minutes
• Survives unclean WoW exit (process kill / crash) — stats are always available in the log

Improved

• SRWLOCK replaces CRITICAL_SECTION for the ReadFile cache — lower lock contention
• Periodic mi_collect — returns unused mimalloc pages to the OS every ~68 seconds
• string.format — embedded nul byte detection + long string bailout (fixes ElvUI profile export/import)

Fixed

• Deadlock on WoW exit — DestroyMpqMapping called CloseHandle which re-entered the hooked path and deadlocked on the SRWLOCK
• Duplicate FlushFileBuffers log line removed
• ElvUI "decoding error" on profile export/import — string.format fast path now falls back for binary data with embedded nuls

Safety

• MPQ mmap is protected by SEH — page faults fall back to read-ahead cache
• Multi-client detection is safe — uses a named mutex, no shared memory
• Crash isolation toggle: CRASH_TEST_DISABLE_MPQ_MMAP
• All previous v2.1.x fixes remain active

Files

• wow_optimize.dll — main optimization DLL
• version.dll — proxy loader
• wow_loader.exe — standalone launcher