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coa-template/PORTING.md
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florian.berthold 5ac82e0134 Initial template: release pipeline + PORTING.md + init helper
What lands in any repo created from this template:
- .gitea/workflows/release.yml — canonical Gitea-Actions release pipeline
  (tag-triggered, curl-based publish, per-asset failure tolerance)
- tools/build_zip.sh — git-archive per addon folder, multi-addon bundle
- tools/init_from_upstream.sh — one-shot squash-import of upstream tree
  into <AddonFolder>/ at the repo root
- PORTING.md — full CoA-compat bug-pattern checklist (Retail-only
  globals, FileDataIDs, hardcoded class lists, StaticPopup race,
  .tga textures, Minimap mask, CLEU arg positions, Ace3 sweep, etc.)
- README.md — quick-start backport guide
- standard .gitignore (incl dist/) + .gitattributes (* -text)
2026-05-25 12:35:12 +02:00

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Markdown

# Porting addons to CoA / Project Ascension 3.3.5
The CoA Beta client is WoW 3.3.5 with a heavily reworked FrameXML /
SharedXML / StaticPopup / Settings system, 21 custom playable classes,
and selectively-modern globals (`C_Timer.After`, `C_ClassInfo`). Most
upstream retail / Classic / Wrath addons need a small bundle of fixes.
This document lists every recurring failure mode we've seen across the
existing 25 Exiles forks plus the matching one-paragraph fix.
Keep this file in your fork until you're done porting; once everything
loads cleanly you can leave it as documentation or delete it.
The canonical / live version of this checklist is at
[coa.exil.es/coa/dev/addons](https://coa.exil.es/coa/dev/addons) — if
you discover a new failure mode while porting, please add it there.
## Bug-pattern checklist
### Retail-only globals are nil
`InterfaceOptionsFrame*`, `InterfaceOptions_AddCategory`,
`InterfaceOptionsFramePanelContainer`, `Settings.*`, `Enum.ClassMask`
(only knows vanilla classes), retail `C_TooltipInfo`. Guard with
`if X then … end` or fall back to a sensible default (`UIParent` for
parent-frame fallbacks).
### FileDataIDs silently no-op
`Set*Texture(<integer>)` does nothing on 3.3.5 — textures render as red
placeholders. Use string paths. The comment next to an FDID call in
upstream code usually already names the path.
### Hardcoded class lists miss CoA's 21 custom classes
`SHAMAN/HERO` masks, `CLASS_SORT_ORDER` iteration, `RAID_CLASS_COLORS`
direct keys, `CLASS_ICON_TCOORDS`. Witchdoctor / Templar / Sun Cleric /
Primalist / Tinker / etc. won't appear. Extend via `GetNumClasses()`,
`LOCALIZED_CLASS_NAMES_MALE` fallback, or a class-keyed `or { … }`
guard.
### `C_ClassInfo.GetSpecInfo(class, spec)` arg mismatch
`GetAllSpecs(class)` returns non-string items on this client. Always
`pcall` the `GetSpecInfo` / `GetSpecInfoByID` call and skip iterations
that fail.
### `StaticPopup_Show` during `PLAYER_LOGIN` silently fails
Fires too early on this client. Defer with `C_Timer.After(0, …)`.
Failure mode is silent — the popup never appears and any code that
depends on user confirmation (e.g. WeakAuras' downgrade-repair flow)
never runs.
### `.tga` textures don't load
The engine only loads `.blp`. Ship BLP2 / DXT3 (`alphaEncoding = 1`) —
DXT5 (`ae=7`) does NOT decode on 3.3.5. Conversion:
```sh
blp-conv --blp-version blp2 --blp-format dxt3 --alpha-bits 8 in.png out.blp
```
### `Minimap:SetMaskTexture("Interface\\BUTTONS\\WHITE8X8")` silently rounds
The shared white mask used by retail SexyMap-style addons falls back to
the round minimap on CoA. Bundle an opaque BLP and point the mask at it
instead.
### `UnitClass("player")` at file-load time returns nil
Resolve class inside `OnEnable` / event handler, not as a file-level
`local`.
### CLEU argument positions changed
Verify against the 3.3.5 signature:
```
(event, timestamp, subevent, hideCaster,
srcGUID, srcName, srcFlags, srcRaidFlags,
destGUID, destName, destFlags, destRaidFlags,
spellId, spellName, spellSchool, …)
```
`destFlags` is arg 11, not arg 9. Many retail-era addons get this
wrong.
## Ace3 specifics
If the addon embeds Ace3 libs (`Libs/AceXxx-3.0/`), use the canonical
`Exiles/coa-ace3` bundle to overwrite them. The sweep script in that
repo handles every fork in one pass — see its README. Don't ship a
bespoke Ace3 vendor; mismatched MINOR versions across loaded addons
cause silent breakage at LibStub resolution time.
`coa-elvui` is the one exception — ElvUI ships its own customized
Ace3 stack and is excluded from the sweep.
## Standard layout
The Exiles fork-layout convention is `<repo>/<AddonFolder>/<AddonFolder>.toc`
at depth-1, with dev tooling (`tools/`, `.gitea/`, `README.md`, `LICENSE`,
`PORTING.md`) at the repo root. Multi-addon repos place each addon in its
own sibling folder.
`tools/build_zip.sh` discovers these `<Folder>/<Folder>.toc` pairs
automatically.
## Tagging convention
`<upstream>-coa.N` per repo. Examples:
| Repo | Tag |
|---|---|
| `coa-decursive` | `Asc-1.1.6-coa.1` |
| `coa-leatrix-plus` | `3.3.5-coa.1` |
| `coa-ace3` | `52e5f2c-coa.1` (upstream commit pin) |
| `coa-dbm` | `2026.05.25-coa.1` (no `## Version:` line; date-based) |
The trailing `-coa.N` counter bumps for each CoA-fork iteration. Pushing
the tag fires the release workflow and publishes the per-addon zips to
`https://git.sub-net.at/Exiles/<repo>/releases/tag/<tag>`.
See [coa.exil.es/coa/dev/releases](https://coa.exil.es/coa/dev/releases)
for the full release pipeline doc.