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feat(physics): Phase 2 — wire CellBSP + Portals into CellPhysics

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Adds PortalInfo struct and extends CellPhysics with CellBSP (third BSP
for point-in-cell tests, typed CellBSPTree from DatReaderWriter),
Portals (from envCell.CellPortals), PortalPolygons (resolved
cellStruct.Polygons — portals reference visible polys, not
PhysicsPolygons), and VisibleCellIds (populated for future use;
envCell.VisibleCells is List<UInt16>, not Dictionary).

Deletes CellPhysics.LocalAabbMin/Max and PhysicsDataCache.TryFindContainingCell
— Phase D's AABB shortcut is gone. CacheCellStruct's AABB compute
removed; the [cell-cache] diagnostic updated with portal/visible counts
instead.

CacheCellStruct signature gains an EnvCell parameter (one call site in
GameWindow.cs:5384 updated). ResolveOutdoorCellId drops the
TryFindContainingCell call; portal-graph CellTransit replaces it next.

ResolveOutdoorCellIdTests object initializers had the deleted AABB
properties stripped temporarily so the build stays green; the file gets
replaced wholesale in the next commit (CellTransit integration). Those
2 AABB-containment tests continue to fail (they were pre-broken on this
branch); no new failures introduced.

Spec: docs/superpowers/specs/2026-05-19-indoor-portal-cell-tracking-design.md
Plan: docs/superpowers/plans/2026-05-19-indoor-portal-cell-tracking.md

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Erik 2026-05-19 16:52:20 +02:00
parent b282c69f28
commit 1969c55823
7 changed files with 215 additions and 113 deletions
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2
src/AcDream.App/Rendering/GameWindow.cs
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@ -5381,7 +5381,7 @@ public sealed class GameWindow : IDisposable
BuildLoadedCell(envCellId, envCell, cellStruct, cellOrigin, cellTransform);
// Cache CellStruct physics BSP for indoor collision.
_physicsDataCache.CacheCellStruct(envCellId, cellStruct, cellTransform);
_physicsDataCache.CacheCellStruct(envCellId, envCell, cellStruct, cellTransform);
}
}
}