research: full acclient.exe decompilation — 22,225 functions, 688K lines

Complete decompilation of the retail Asheron's Call client using
Ghidra 12.0.4 + pyghidra headless. 22,225 of 22,226 functions
successfully decompiled in 75 seconds.

Output: docs/research/decompiled/ (54 files, 688,567 lines of C)

Key findings already identified:
- CLandBlockStruct::ConstructPolygons at chunk_00530000.c:2270
  (split direction formula with 0x0CCAC033 constants)
- Motion command handlers at chunk_00510000.c (0x45000005 etc)
- Motion interpreter at chunk_00520000.c
- Portal space UI at chunk_004D0000.c and chunk_00560000.c

Next: identify CPhysicsObj, CMotionInterp, collision, and movement
functions by cross-referencing against ACE's C# port.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

docs/research/decompiled/INDEX.md

@@ -0,0 +1,63 @@
+# Decompiled acclient.exe — Full Index
+
+- Total functions: 22226
+- Successfully decompiled: 22225
+- Failed: 1
+- Time: 75s
+
+## Files by address chunk
+
+- `chunk_00400000.c` — 27183 lines
+- `chunk_00410000.c` — 26338 lines
+- `chunk_00420000.c` — 20753 lines
+- `chunk_00430000.c` — 25677 lines
+- `chunk_00440000.c` — 26028 lines
+- `chunk_00450000.c` — 25113 lines
+- `chunk_00460000.c` — 24486 lines
+- `chunk_00470000.c` — 21998 lines
+- `chunk_00480000.c` — 18223 lines
+- `chunk_00490000.c` — 18343 lines
+- `chunk_004A0000.c` — 15931 lines
+- `chunk_004B0000.c` — 11281 lines
+- `chunk_004C0000.c` — 19050 lines
+- `chunk_004D0000.c` — 15220 lines
+- `chunk_004E0000.c` — 18282 lines
+- `chunk_004F0000.c` — 21835 lines
+- `chunk_00500000.c` — 28121 lines
+- `chunk_00510000.c` — 28028 lines
+- `chunk_00520000.c` — 23705 lines
+- `chunk_00530000.c` — 23720 lines
+- `chunk_00540000.c` — 26339 lines
+- `chunk_00550000.c` — 24576 lines
+- `chunk_00560000.c` — 21414 lines
+- `chunk_00570000.c` — 15793 lines
+- `chunk_00580000.c` — 21493 lines
+- `chunk_00590000.c` — 23709 lines
+- `chunk_005A0000.c` — 24042 lines
+- `chunk_005B0000.c` — 24113 lines
+- `chunk_005C0000.c` — 24425 lines
+- `chunk_005D0000.c` — 24483 lines
+- `chunk_005E0000.c` — 27149 lines
+- `chunk_005F0000.c` — 26972 lines
+- `chunk_00600000.c` — 14936 lines
+- `chunk_00610000.c` — 14454 lines
+- `chunk_00620000.c` — 10453 lines
+- `chunk_00630000.c` — 15174 lines
+- `chunk_00640000.c` — 21923 lines
+- `chunk_00650000.c` — 37209 lines
+- `chunk_00660000.c` — 22737 lines
+- `chunk_00670000.c` — 23715 lines
+- `chunk_00680000.c` — 27365 lines
+- `chunk_00690000.c` — 24155 lines
+- `chunk_006A0000.c` — 27857 lines
+- `chunk_006B0000.c` — 20525 lines
+- `chunk_006C0000.c` — 5584 lines
+- `chunk_00700000.c` — 60 lines
+- `chunk_00720000.c` — 29398 lines
+- `chunk_00730000.c` — 45271 lines
+- `chunk_00740000.c` — 45251 lines
+- `chunk_00750000.c` — 45773 lines
+- `chunk_00760000.c` — 49981 lines
+- `chunk_00770000.c` — 49778 lines
+- `chunk_00780000.c` — 45954 lines
+- `chunk_00790000.c` — 8918 lines

docs/research/decompiled/chunk_00700000.c

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+// Decompiled from acclient.exe — chunk 0x00700000
+// Ghidra 12.0.4 + pyghidra headless
+
+// --- FUN_00706f20 at 0x00706F20 (size: 83) ---
+
+void FUN_00706f20(void)
+
+{
+  int iVar1;
+  undefined4 *puVar2;
+  
+  puVar2 = &DAT_008674d0;
+  iVar1 = 10;
+  do {
+    puVar2[-0x11] = &PTR_LAB_00797910;
+    puVar2[-0x10] = 0;
+    puVar2[-0xf] = 0x3f800000;
+    puVar2[-0xe] = 0;
+    puVar2[-0xd] = 0;
+    puVar2[-0xc] = 0;
+    puVar2[-2] = 0;
+    puVar2[-1] = 0;
+    *puVar2 = 0;
+    FUN_00535b30();
+    puVar2 = puVar2 + 0x5a;
+    iVar1 = iVar1 + -1;
+  } while (iVar1 != 0);
+  _atexit((_func_4879 *)&LAB_007728f0);
+  return;
+}
+
+
+