The tracks were never built from one model

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A map record is an Entity::MakeMessage (MUNGA/ENTITY3.h): classToCreate,
owningPlayerID, resourceID, instanceFlags, localOrigin. The origin ends
the 76-byte case, which puts classToCreate at +28, resourceID at +40 and
instanceFlags at +44.

I had been reading +44. That is instanceFlags, and it is 524 on every
scenery record - and 524 happens to be cn3's GaugeImage. So every track
resolved to cn3 repeated a few hundred times, consistently and wrongly,
and every conclusion drawn from that followed: the "one wall bar with a
gate", the ticks, the claim that the LOD machinery is never exercised.

The id at +40 varies per placement. The tracks use cn1, cn3, cn4, cn5,
cn7, br1, br3, ft1, cq1, cq2, md3, md4, the pits, and the score zones
sc50/sc50a/sc500a that gave the amber boxes at each end. A record names
the model's Model List; the GaugeImage is filed under the same model
name, so the name is the join - and models with no gauge image (oao,
snAwork, pz1) are skipped here exactly as DrawStatic skips them.

Found by following the map loader: InterestManager::LoadMapStream reads
the stream as MakeMessages and names the map entity classes, one of which
is 95 in these records - CulturalIconClassID.

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Cyd

2026-08-07 14:45:20 -05:00

parent 86bf6a934b

commit 9f0a77cc16

4 changed files with 137 additions and 99 deletions

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