`ZoomIn`/`ZoomOut` walked the zoom ladder from `GetCanvasScale()` — the live value the smooth
zoom is still easing — so the notch after the first re-read a scale that had barely moved, found
the same rung still under it, and re-set the target it already had. The ease closes about 63% of
the gap a second, which is slow enough that a player never gets a second rung.
Driven at grom's own 2560x1440 with his addons loaded, over OpenMapClassic's 27-step ladder
(0.0330 .. 2.3734): four wheel-down notches at the map's centre all set target 0.9030 — one rung
— and two more at the far right set nothing. That is his "it will only scroll very little out …
and will only very little scroll in period".
`GetZoomStepScale()` steps from `targetScale` instead, so notches accumulate and either end of a
long ladder is reachable. The same measurement rules out the position dependence he saw: the
wheel's target over the centre and 19 px from the right edge is `WorldMapButton` both times,
because `wheel_target` walks past frames that take no wheel the way `0x7664f0` does.
`docs/ADDON_COMPAT.md` also records the two addon-side causes of "I can't see any buttons but I
can use them", both fixed in `Addon_Ports/` rather than here: OpenMapClassic's rail tabs are never
dressed because `mod.FaceSideTab` ships in a file the release omits, and the OpenMap tab's own
icon is absent from this patch chain. And pfQuest's minimap icons now fade with the minimap.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SgstFWtn1RxEJ5kVrpgYwn
gromandClaude Opus 5
c92f078c39