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TeslaRel410/restoration/source410/MUNGA/VDATA.NOTES.md
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CydandClaude Fable 5 63312e07f9 source410: literal 4.10 source reconstruction + BC++ 4.52 fleet toolchain archived
- BORLAND/: Borland C++ 4.52 (chosen over 4.5 by byte-match: CODE/RP/CW32.LIB
  is identical to 4.52's install lib). BCC32/TLINK32/TLIB/MAKE run natively on
  Win11; CODE/BT/OPT.MAK is the shipped BTL4OPT.EXE's exact flag recipe
  (extender = Borland PowerPack DPMI32, not Phar Lap TNT).
- restoration/source410/: the literal 1995-form reconstruction of the missing
  BT game source (never mixed into CODE/). Round 1-3 state:
  * 6 of 10 surviving original TUs COMPILE CLEAN under the period toolchain
    (BTMSSN, BTCNSL, BTSCNRL, BTTEAM, BTL4MODE, BTL4ARND) - first builds
    since 1996.
  * BT_L4/BTL4APP.CPP pilot reconstruction: 12/12 functions, Fail() lands on
    its binary-recorded line 400 exactly.
  * BT/BTCNSL.HPP: console wire IDs recovered from the binary's ctors
    (Killed=9, Damaged=10, ScoreUpdate=13, DeathWithoutHonor=15 [T1];
    TeamScore=12 flagged [T4]).
  * MUNGA/: 8 engine-header backfills back-dated from the BT412 WinTesla tree
    (VDATA numbering decomp-verified; AUDREND's OpenAL-era virtual removed -
    the period compiler is the drift detector).
  * Tooling: backdate.py (WinTesla->1995 header transform), compile410.sh
    (per-TU verification sweep under authentic OPT.MAK flags).
  * README: corrected roadmap - MECH.HPP is the capstone grown with the mech
    TU reconstructions; BTREG.CPP green = the header-family milestone.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-19 07:33:26 -05:00

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# VDATA.HPP — reconstruction notes (2026-07-19)
**The first ENGINE-side backfill** (the header `plug.hpp` includes; lost from both 1995 trees —
`VDATA.CPP` survives in `CODE/RP/MUNGA`, only the `.HPP` was missing).
Basis: back-dated from `C:\VWE\BT412\engine\MUNGA\VDATA.h` (the drifted WinTesla-era copy).
Transformations: `#pragma once` → the `VDATA_HPP` guard PLUG.HPP expects (PLUG.HPP:30 names it);
`#include "memstrm.h"` → guarded `<memstrm.hpp>` (survives in CODE/RP/MUNGA); banner cloned from
the surviving VDATA.CPP banner ("vdata.cc / Connection Library"); body/indentation restyled to
the 1995 house pattern. Content otherwise byte-for-byte the WinTesla enum + class.
Validation [T1]:
- Method set matches the surviving `VDATA.CPP` exactly (2 ctors, dtor, TestInstance,
BuildFromPage, static GetClassID(CString&)).
- ClassID numbering matches every decomp-known constant: `TrivialSubsystemClassID`=0xF,
`CameraShipClassID`=0x45, `MechClassID`=0xBB9, `MechSubsystemClassID`=0xBBC region,
`L4ApplicationClassID`=1003 — i.e. the WinTesla file preserved 1995 numbering.
- `MemoryStream_Read/Write` inline pair is a verified period idiom (used across 1995 headers).
- **Compile-proven**: with this one backfill, the ORIGINAL `BTL4MODE.CPP` and `BTMSSN.CPP`
compile CLEAN under BC++ 4.52 with the authentic OPT.MAK flags (btl4mode.obj 3,751 bytes).
Uncertainty [T4]: whether the ND (4000) / Tools (60000) / W4 (70000) enum sections and any
tail entries postdate 4.10 — appended IDs don't shift earlier values, so all decomp-verified
constants are unaffected either way.