grom, after a night's play: "make the map look a lot nicer, it would be really nice if the
darkened areas were not just massive squares on the map, and should fit into the actual
edges of the terrian if that makes sense, also I shouldn't see this dark squares on the
fully zoomed out world map, also make it so the world map can't move out of the frame."
**The darkening.** OpenMapClassic washed a never-visited zone through its land mask, and
those masks are Voronoi-dilated by construction — "so that the forty of them tile each
continent with no gap" — so for any zone that is not on a coast the mask *is* the
rectangle. Measured at zoom 2.5 over the Eastern Kingdoms: a grid of flat grey boxes.
Nothing could have been softened into a fix; it was the wrong mask. It was also drawn at
full strength from every zoom, and at the whole-world view the zones' own art is not drawn
at all, so the only thing on the world map was the fog's rectangles.
A land mask for every map now comes from the client's own data. `bake_zone_land` unions a
map's `WorldMapOverlay` alpha — the pieces the game reveals as you explore, cut to the
shape of the ground — into one 256×256 mask; `overlay-land-index.py` writes the list the
addon reads, because Lua cannot test for a file and a *missing* mask is dropped by the
engine so the whole rectangle draws, which is the defect itself. 53 maps have overlays
(the 40 stock zones, Hyjal, Alterac Valley and 11 of the realm's own); 76 have none and
keep a wide feather. `clip-zone-masks-to-coast.py` then takes the open sea off the dilated
sheet masks — the same dilation was painting parchment out on the ocean — by closing the
continent's own land by 500 yards (above the 466-yard inradius of the widest enclosed gap,
so seams fill and the sea does not) and keeping a 300-yard coastal margin. Twelve
landlocked zones lose 0.0%; Darkshore loses 53%, all of it water.
`tga.rs` gains the writer that needed, `script::uimap` and `ui_world_map::build_catalog`
become public so an example can reach the uiMapID graph, and `WorldMapUiData` grows the
accessor so the VM push and an outside caller cannot build different lists.
**The glyph sheet.** His four-minute session reset it 27 times, each dropping every cached
glyph. The producer is Atlas-CFM's cursor coordinate readout: a 12 px FontString on
`WorldMapDetailFrame`, rewritten every frame, and the canvas zooms by scaling that frame —
140 device px a digit at a canvas scale of 6.9. Nothing about the addon is wrong, so the
fix is ours: `raster_ppem` rasterizes exactly up to 64 device px and snaps to a
third-octave ladder above it, with `cell()` scaling the cached bitmap and metrics left
keyed on the true ppem, so advances and `GetStringWidth` are bit-for-bit unchanged. Same
1,200-frame reproduction: 3 resets and 6,623 rasters before, **0 and 1,424** after, with
occupancy climbing once to 30% and stopping. A reset no longer clears the metric cache
either, and `note_loud_cell` names the string that asked for an outsized cell.
**Four more from the same log.** `SetOwner`'s unknown-anchor line named a forwarding
wrapper rather than the addon that chose the anchor (two `debugstack` frames now); the nine
reference anchor names are written down with the binary evidence, because `ANCHOR_TOP` is
not one of them. The `CreateFrame(kind, …, inherits=<other kind>)` warning fired in both
directions and only one drops content — `kind_subsumes` makes it directional, and
`type_chain` moves out of `install` so `IsObjectType` and the loader read one table. A
string that is not UTF-8 now names the Lua line that cut it, and both glyph warnings quote
the string the character came out of. The three world-map CVars stay unregistered, with the
argument written down beside `REGISTERED` so it is not re-litigated from the warning.
**`World.zmp`.** The realm's `WorldMapArea` carries a third `areaID == 0` row, `694 World`,
with an all-zero rect; the reference ships no bitmap for it and neither the graph nor the
realm's own `Overrides.lua` lets it reach a player. The miss is a `debug!` line now, and
the `warn!` is kept for a continent that *has* a rectangle and is missing its bitmap.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SgstFWtn1RxEJ5kVrpgYwn
gromandClaude Opus 5
65520a4a58