gromandClaude Opus 5
81d96af35d
This checkout had no git history at all, so this one commit carries the whole
of the Everwood work as a single import on top of chairmanpow/benilla-octo's
`main` (706cd71). The two trees have genuinely diverged — each has files the
other does not — so this is a fork point, not a catch-up.
Today's work, which is the reason a baseline exists at all:
- Booth previews no longer cast world shadows (`NO_BOOTH_SHADOW`). Portrait
characters were entering the sun's shadow cascades, so every skinned-rig
shadow specialization compiled live mid-frame; the hitch detector logged
"main thread blocked 1316 ms" beside a `compiled LIVE` warning. This was
the Fashion/Tmog stutter.
- Per-pane dress-up: each `DressUpModel` pane assembles and stages its own
tried-on look instead of every pane mirroring the live player.
- Item template cache is append-only JSONL written on the IO pool, replacing
an 11.6 MB whole-map JSON rewrite on the main thread every 10 s.
- `WOW_SYSTEM_TIMING` rebuilt per-thread: it took 2 mutexes per system enter
and 4 per exit, costing 15 ms a frame (590 fps -> 60) and corrupting the
measurements it was taken to produce.
- The visibility-churn sweep moved to its own `WOW_FLASH_CHURN` switch, so a
frame-cost reading no longer pays 2.7 ms a frame for it.
Local state (`benilla-config/`, `logs/`, `target/`) is excluded by the
existing .gitignore; the account credential it holds is not in this commit.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SgstFWtn1RxEJ5kVrpgYwn
114 lines
7.4 KiB
Markdown
114 lines
7.4 KiB
Markdown
# Contributing
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benilla is a faithful 1.12.1 client. It is the foundation people build on, not the place to get
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creative: a change is accepted when it makes benilla more like 1.12.1 or fixes a bug, with
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evidence from the reference, in one small piece, with the gates green. Everything else is a
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fork, and forks are welcome.
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## Where to start
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The [issues](https://github.com/samwhosung/benilla/issues) the maintainers file are checked
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against 1.12.1 first: each says what 1.12.1 does, what benilla does instead, and where in the
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code, and any of them is a place to start. One labelled `in progress` is taken: someone is
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working on it or a pull request is open for it, so pick another. Once you start one, open a draft
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pull request that says `Fixes #N` as soon as you have a first commit, so the issue shows it is
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taken.
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## What gets in
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- A fix for a bug, with how to see it before and after.
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- A step closer to 1.12.1: a missing packet, verb, window, effect or behaviour, done the way
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the real client does it.
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- A correction where benilla and the reference disagree, with the reference fact stated.
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## What does not
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- Features 1.12.1 does not have, and behaviour changed because it seems better. A deviation
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from the reference is the maintainer's call and is recorded where it lives; a pull request is
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not the place to propose one.
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- Anything from a WoW install: art, models, sounds, maps, data. The one exception is interface
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code (FrameXML and GlueXML), and only through the migration recipe in `docs/METHOD.md`.
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- Big or mixed changes. One change per pull request, small enough to read in one sitting.
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## How a change is judged
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1. `scripts/gates.sh` is green: fmt, clippy with warnings denied, the workspace tests (once
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with the client data, once without, so a test that reads the install has to declare it), the
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doc-link and render-pass lints, the player build with its own tests, and the engine boot
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checks. A pull request from a fork runs the ones that need neither the install nor a display
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in CI, on Linux; the rest run on the maintainer's machine before it lands.
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2. The reference fact is stated: what 1.12.1 does, and where that is known from (the client's
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behaviour you observed, a DBC field, a FrameXML line, a packet capture). The names and shapes
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under `reference/` are the surface benilla tracks.
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3. A comment where it matters, one line, saying what the code does and the 1.12 fact behind it.
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No history.
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4. The commit message says what changed, for a player or a developer, in one line.
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## After you open it
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A maintainer reads it, checks it against the reference, runs it and finishes it here: a rebase
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onto main, a fix, a test or a comment, added as commits on top of yours on your branch, so leave
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"Allow edits by maintainers" ticked. It lands as one squash-merged commit with you as its author.
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When what would land is mostly ours, we land our own version with you as a co-author and close
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yours with a note, and when main already has the fix, we close yours and say where. One that is
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out of scope is closed with the reason.
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## Setting up
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- **The toolchain.** Stable Rust (`rust-toolchain.toml` adds clippy and rustfmt) and a C
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compiler, because the client's Lua is vendored and built from source. On macOS the Xcode
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command line tools, which also supply libclang for the audio bindings; on Linux the ALSA and
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udev development packages and pkg-config. `python3` runs two of the gates.
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- **A build cache (optional).** [`sccache`](https://github.com/mozilla/sccache) serves a dependency
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rebuild after a branch switch or a `git clean` from cache instead of recompiling it.
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`scripts/check.sh`, `scripts/gates.sh` and `scripts/smoke.sh` use it automatically when it is on
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`PATH`; for the play loop, `. scripts/sccache.sh && cargo play`, or `scripts/sccache.sh cargo
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play`, wraps one command. Without it a clone builds exactly as before; an existing `RUSTC_WRAPPER`
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wins and `BENILLA_NO_SCCACHE=1` skips it. It does not wrap the C compiler, so the vendored Lua
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build is not cached by it.
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- **A 1.12.1 install of your own.** `WOW_DATA=<its Data folder>`, or a `WoW` link at the repo
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root, which only a dev build sees: the player build looks for `Data/` or `WoW/Data/` beside
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the binary. benilla reads the install and never writes into it. `WOW_DATA=` (set, empty)
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means "no install", which is how the no-install boot is tested on a machine that has one.
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- **Without the install, green is hollow.** Well over a thousand tests read the install and skip
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when it is absent, and a few dozen more read a corpus of vanilla addons
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(`BENILLA_ADDON_CORPUS=<a folder of addons>`, or a `wow-addons-vanilla` link at the root),
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third-party content that is not in this repo. `scripts/gates.sh` and `scripts/check.sh` print
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how many tests skipped and why. Where the data is, `BENILLA_REQUIRE_DATA=1` turns a skip into a
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failure, and the gates set it themselves when the install and the corpus both resolve.
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- **A server to test against.** Any 1.12.1 server; `WOW_HOST` names it (default
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`localhost:3724`). A scripted run has no default account: `WOW_USER`, `WOW_PASS` and
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`WOW_CHAR` name a test account on your server whose login kicks nobody, all three, either in
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the environment or in a `.probe-identity` file at the repo root (one per line, never
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committed), and `scripts/smoke.sh` (the live login gate) refuses without them. `WOW_CHAR`
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must already be on the account, since the client creates a character only when asked:
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`WOW_PROBE_CHARCREATE=<name> WOW_PROBE_CHARCREATE_KEEP=1`, run without `WOW_CHAR`, makes it.
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The probes drive the body with GM commands, so give that account the top GM level.
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- **Running it unattended.** The rules are `docs/METHOD.md`, "The local server"; these are the
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switches.
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- `WOW_UNATTENDED=1` reconnects instead of waiting at a dialog, and exits non-zero on a login
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it cannot pass. `WOW_NOSOUND=1` runs silent. A capture (`WOW_CAPTURE`) is both, and a rig
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(`WOW_RIG`) is unattended. `WOW_ALLOW_ACCOUNT=1` overrides the account guard.
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- On vmangos, `WOW_RIG="tauren druid 60 gear:heal-preraid-bis spec:heal-preraid-bis
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at:ThunderBluff"` finds or creates that character on the account and applies the server's
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premade sets (`WOW_RIG="gear:?"` lists them). `WOW_PROBE_CHAT="<command>"` sends one GM
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command and logs the reply as `net: server says`. An account named `probe` and digits is
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shielded: every world entry sends `.cheat god on`, `.die` clears it for a death test, and
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`WOW_GOD=off` leaves it off.
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- A trace is `WOW_MOVE_TRACE=<file>`, filtered with `WOW_MOVE_TRACE_TAGS` (`"move,snd,in"`) and
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ended by `WOW_PROBE_EXIT_AT=<seconds>`; grep it for the `rly` and `snd` lines.
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- A capture runs through `scripts/visual.sh`, whose recipe is the header of
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`crates/benilla-app/src/capture/mod.rs`. Pixel questions go through `benilla-visual crop`,
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`series` and `hotspot`.
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- **The loop.** `cargo play` builds and runs the play profile. `scripts/check.sh` verifies a
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round of work; `scripts/gates.sh` is the full chain, and it opens a window for the engine boot
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checks, so it needs a display. Work on a branch.
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## Reporting a bug
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Open an issue: what you did, what you saw and what 1.12.1 does instead, with the `benilla build`
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line from the start of the terminal output, your platform and the server you ran on. Questions
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and ideas are welcome there or on the Discord linked from the README.
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Working with an AI agent is expected. The agent reads `AGENTS.md`, and the same rules bind it.
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