Phase A confirmation fact (DumpPortalFillSurfaceTypes): every portal-fill
polygon on the audited building models (hall 0x010014C3, cottages
0x01000827/0x0100082E/0x01000C17) carries an untextured surface
(Base1Solid, mostly +Translucent) with Stippling=NoPos and no negative
surface. Retail's skipNoTexture rule (D3DPolyRender inner draw 0x0059d4a0,
default on @0x00820e30) therefore skips ALL of them on the building/cell
pass - door fills, window fills, AND the phantom stair-ramp. Retail never
draws any baked fill; visible doors are door ENTITIES. acdream draws the
solid batches as colored geometry, which is both the phantom staircase AND
why dropping them read as 'doors disappeared'.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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