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| author | Valentin Popov <valentin@popov.link> | 2026-07-18 07:54:52 +0300 |
|---|---|---|
| committer | Valentin Popov <valentin@popov.link> | 2026-07-18 07:54:52 +0300 |
| commit | b500e32ca2b35fbefbdd5c94a1cf782e309ed20a (patch) | |
| tree | f6edcad955c0e4adc8571e03e3ddffe5b8be1914 | |
| parent | e7d869d8d04e8137ad68c0c82ab1908568c80f72 (diff) | |
| download | fparkan-b500e32ca2b35fbefbdd5c94a1cf782e309ed20a.tar.xz fparkan-b500e32ca2b35fbefbdd5c94a1cf782e309ed20a.zip | |
docs(evidence): correct Terrain camera receiver
| -rw-r--r-- | docs/evidence/original_engine_hashes.md | 9 | ||||
| -rw-r--r-- | docs/reference/render-frame.md | 7 | ||||
| -rw-r--r-- | docs/tomes/08-evidence.md | 10 |
3 files changed, 26 insertions, 0 deletions
diff --git a/docs/evidence/original_engine_hashes.md b/docs/evidence/original_engine_hashes.md index 938aa54..fab8dc7 100644 --- a/docs/evidence/original_engine_hashes.md +++ b/docs/evidence/original_engine_hashes.md @@ -19,6 +19,15 @@ | `Terrain.dll` | `6d3e68f0e15b297f6c184af3113baf1f31e19c3326c18f0150dec659242ed667` | 708608 | Shared terrain/shade/world baseline | | `iron_3d.exe` / `iron_3d_p2.exe` | `f476af85c034a4b4f34f49d0806e4dff397b5da0ee26d382a7674231144979f7` | 36864 | Shared launcher binary | +## GOG research baseline + +The canonical disassembly source is the windowed GOG installation, not the +Part 1/Part 2 test installations. Its `Terrain.dll` is a distinct revision: + +| Binary | SHA-256 | Size | Notes | +| --- | --- | ---: | --- | +| `Terrain.dll` | `af87d1b2e728a0be73c52be3b44cc196ab46da7799f25a15d40f8c9b0b425ead` | 499712 | GOG camera receiver evidence; do not reuse Part 1/2 RVAs without a matching hash | + ## Divergent binaries across Part 1 / Part 2 Эти модули нельзя автоматически считать behavior-compatible между частями: diff --git a/docs/reference/render-frame.md b/docs/reference/render-frame.md index 32abc6d..54bcf9a 100644 --- a/docs/reference/render-frame.md +++ b/docs/reference/render-frame.md @@ -50,6 +50,13 @@ the frame, and clears it before return. `sendEndOfRender` is a separate export at RVA `0x13D90`. This is frame-order evidence only: the camera ABI, matrices and viewport values still require dynamic capture or further decompilation. +Receiver-side GOG Terrain evidence refines this contract. `stdSetCurrentCamera2` +(RVA `0x4FD40` in Terrain SHA-256 +`af87d1b2e728a0be73c52be3b44cc196ab46da7799f25a15d40f8c9b0b425ead`) queries +selector `18` on the supplied object and invokes slot `+12` on that result. It +does not store the supplied pointer in `stdGetCurrentCamera2`; that getter +returns a Terrain global populated by selector `8` during Terrain initialization. + ## Parity risks - x87 precision and rounding; diff --git a/docs/tomes/08-evidence.md b/docs/tomes/08-evidence.md index fb7c363..7c35ab4 100644 --- a/docs/tomes/08-evidence.md +++ b/docs/tomes/08-evidence.md @@ -244,6 +244,16 @@ end-of-render callbacks вынесен также в отдельный `sendEnd Это доказывает порядок передачи camera и границы frame lifecycle, но не layout camera object, не матрицы projection/view и не значения viewport selectors. +Отдельная проверка GOG `Terrain.dll` (`AF87D1B2E728A0BE73C52BE3B44CC196AB46DA7799F25A15D40F8C9B0B425EAD`, +499 712 bytes) уточняет receiver side. `stdSetCurrentCamera2` находится по +RVA `0x4FD40`: при инициализированном Terrain он требует у переданного объекта +interface selector `18` и вызывает slot `+12` результата. Он **не** записывает +переданный pointer в `stdGetCurrentCamera2`. Последний возвращает Terrain global, +который внутренний initialization path устанавливает результатом selector `8` на +Terrain object. Следовательно, selector `18`, slot `+12` и global selector `8` +должны оставаться именованными evidence boundary до dynamic capture; считать +`stdGetCurrentCamera2` getter-ом переданной camera было бы ошибкой. + ### Vtable и interface negotiation Вызовы вида `object->vfunc(offset)` доказывают порядок slots, даже когда имя |