research: decompile acclient.exe terrain/physics via Ghidra headless
Used Ghidra 12.0.4 + pyghidra to decompile 368 functions from the
retail AC client binary (acclient.exe, 4.7MB, 2016).
Output: docs/research/acclient_decompiled.c (13,560 lines)
Confirmed the decompiled code matches ACME's ClientReference.cs:
- ConstructPolygons split formula at ~0x00532610 with constants
0x0CCAC033, 0x6C1AC587, -0x421BE3BD, -0x519B8F25
- Same 2.3283064e-10 float comparison for split direction
Regions decompiled:
- 0x530000-0x536000: CLandBlockStruct + terrain (85 functions)
- 0x536000-0x540000: nearby functions (168 functions)
- 0x5A9000-0x5AB000: LandDefs region (111 functions)
Tools: tools/decompile_acclient.py (pyghidra headless script)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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