AtlasOverlayBar is an HBoxContainer docked top-right of the heightmap viewer
with 11 short-label buttons mapping to D-191 §7 / D-181 signal visibility:
always-on (5) TER INF NAM GAT POL — terrain, infrastructure, named
features, gate markers, political zones. Pinned on; clicks
are swallowed so the layers can't accidentally be disabled.
toggleable (4) POP PRD SHD CRP — population density, production zones,
shadow economy, corporate presence. Reflect and mutate
viewer overlay state.
locked (2) STK BSL — stockpile_weeks, production_vs_baseline. Disabled
and greyed out with unlock-requirement tooltips, per D-181
semi-private/private tiers; kept in the bar so players see
that deeper data exists and is gated.
Each button writes through AtlasViewer.set_overlay_visible(), which is the
single entry point into the viewer's _overlay_visibility dict consumed by
AtlasMarkerOverlay._draw(). Locked overlays short-circuit in that setter.
Per D-191 criterion 6.
jpmschweitzer
9987eaad8a