shenleiandClaude Opus 5
fb4d2d222b
按 docs/ 目录逐篇核对，只改与事实/路径不符的部分，不动尚未验证的计划条目： - `docs/steps/**` 在早前整理时已迁到 `docs/reference/steps/**`，全仓的旧路径 引用（PLAN.md / README.md / M0-gr2-reader.md 及 libgr2 的头注释）一并改正。 - CLIENT-GAP.md / CLIENT-GAP-FIX.md / BACKLOG.md / MIDREVIEW.md：把已经落地的 条目从「待办」改为已完成，删掉与代码现状矛盾的描述。 - ANDROID-TESTING.md / CLIENT-PORT.md / CLIENT-ROADMAP.md / GODOT-POC-PLAN.md / SHINSOO-WORLD-RENDERING.md / PARITY-GAP.md：同上，另补当前实际的构建/测试入口。 - THIRD-PARTY.md：补齐实际在用的第三方来源与许可说明。 Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01SJugvEJwz3FK4hw9ti3SRb
33 lines
2.7 KiB
Markdown
33 lines
2.7 KiB
Markdown
# reference/ — archived from xrender-poc
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These docs come from **`xrender-poc`**, the bgfx-based rendering POC that was
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**retired on 2026-08-29** in favour of the Godot route (this repo). See
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[`../MIDREVIEW.md`](../MIDREVIEW.md) for the decision.
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They are kept because the reverse-engineering knowledge is route-independent and
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still authoritative:
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| file | what's still useful |
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| `steps/M0-gr2-reader.md` | the entire `.gr2` v6/v7 format breakdown that `libgr2` implements — header, sections, Oodle1, self-describing type tree, `granny_transform`, `OldCurveType` B-splines, the "明确不做" table. **`libgr2` is vendored here now** (`../../libgr2`). |
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| `steps/00-oracle.md` | how the Wine + MinGW Granny oracle works — the ground truth for `libgr2` numeric verification. Oracle harness vendored at `../../oracle/`. |
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| `steps/M1-static-render.md` | material-binding chain (`granny_material` → `.Maps[].Map` → `granny_texture.FromFileName`), DDS/DXT decode, the bgfx-era gotchas. The material logic maps 1:1 onto `m2_material.cpp` here. |
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| `steps/M2-anim-skinning.md` | CPU LBS formula, `sample_pose` retarget-by-bone-name, the Granny normal-transform (plain 3×3, **no** inverse-transpose) — same math the GDExtension uses. Numeric gates vs Granny (≤6.5e-5). |
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| `steps/M3-mobile.md` | iOS/Android notes from the bgfx shells — historical; Godot handles platform now. |
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| `steps/M4-realistic-load.md` | eterpack / full-load plan — deferred in both routes. |
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| `PLAN.md` | the bgfx-route master plan. §01 (go/no-go criteria, "工程性延期 vs 方案性死路"), §05 (format findings), §07 (visual-diff layering) are still the shared vocabulary. |
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| `DEMO-PLAN.md` | bgfx RHI demo design record. Mostly superseded; kept for the shader/material-stage analysis. |
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**Relative paths inside these files** (`../libgr2`, `oracle/`, `test/golden/…`,
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`engine/…`, `app/…`) refer to the old xrender-poc layout. The mapping:
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| old (xrender-poc) | now (metin2-client; the repo was created as `mtgodot-poc` and renamed later — the `mtgodot-poc.app` / `.apk` artifact names and the `org.internal.mtgodotpoc` bundle id did **not** change) |
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|---|---|
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| `libgr2/` | `libgr2/` (vendored, unchanged) |
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| `formats/` | `formats/` (vendored) |
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| `oracle/` | `oracle/` (vendored; `oracle.exe` + `granny2_x64.dll` rebuilt locally) |
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| `tools/{gr2dump,gr2fuzz,oracle_diff}` | `tools/` (build with `-DMTGODOT_BUILD_TOOLS=ON`) |
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| `engine/`, `app/`, `platform/`, `third_party/` | **dropped** — Godot + the GDExtension in `extension/` replace them |
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| `test/golden/*.png` (bgfx shots) | `test/bgfx-reference/` (cross-check images) |
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| `test/{noise_floor,m2-numeric}.json`, `assets.list` | `test/` (vendored baselines) |
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