c62663d7cb
Replace the outdoor root's single unified reverse-portal flood (whose root-level portal-side test oscillated as the chase eye grazed a doorway — the measured flood 2<->6) with retail's per-building floods. - OutdoorCellNode.Build(uint): portal-less land root; floods only itself -> full-screen OutsideView -> terrain (PortalVisibilityBuilder IsOutdoorNode seed). - PortalVisibilityBuilder.ConstructViewBuilding: per-building flood seeded at a building's own finite entrance (retail ConstructView(CBldPortal) 0x5a59a0 via DrawPortal 0x5a5ab0 / portal_draw_portals_only 0x53d870). Entrance-bounded -> consistent ~2-cell depth (measured retail cell_draw_num, handoff OPTION-A 3.4). - RetailPViewRenderer.DrawInside: when the root is the outdoor node, group nearby cells by BuildingId and merge each per-building flood into the frame before assembly; existing shells/object-list draw path unchanged. 48 m seed cutoff. - GameWindow: pass flat NearbyBuildingCells only on outdoor-node frames. Tests: +3 PortalVisibilityRobustnessTests (per-building touches ~2 cells, membership stable under the measured 36 um eye jitter). UnifiedFloodTests retired (its subject, the unified flood from the outdoor node, is removed); surviving full-screen-OutsideView coverage moved to OutdoorCellNodeTests. App Rendering 207/207, Core movement 14/14. Conformance-verified sound; the grazing-doorway flap is the visual acceptance test. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
31 lines
1.7 KiB
C#
31 lines
1.7 KiB
C#
using System.Numerics;
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namespace AcDream.App.Rendering;
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/// <summary>
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/// Factory for the OUTDOOR render root — the cell the render roots at when the camera eye is outdoors.
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/// Retail roots every in-world frame at <c>viewer_cell</c> (SmartBox::RenderNormalMode →
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/// DrawInside(viewer_cell), decomp:92635); when outdoors that is a <c>CLandCell</c>. acdream models it
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/// as a portal-less <see cref="LoadedCell"/> carrying only <see cref="LoadedCell.IsOutdoorNode"/> (so
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/// <see cref="PortalVisibilityBuilder.Build"/> seeds OutsideView FULL-SCREEN → terrain/sky/scenery draw
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/// as the root's shell) and <see cref="LoadedCell.SeenOutside"/>.
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///
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/// <para>R-A2 (2026-06-08): the node no longer carries reverse portals into nearby buildings. Retail
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/// does NOT flood buildings from the land root — buildings flood SEPARATELY, per-building, during the
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/// landscape draw (terrain BSP → DrawPortal → ConstructView(CBldPortal), decomp:326881/433895/433827).
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/// acdream issues those via <see cref="PortalVisibilityBuilder.ConstructViewBuilding"/> per nearby
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/// building inside <see cref="RetailPViewRenderer.DrawInside"/>. The pre-R-A2 design flooded all
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/// buildings from one root through reverse portals, coupling their interior membership to a single
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/// root-level portal-side test that oscillated as the chase eye grazed a doorway — the indoor flap.</para>
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/// </summary>
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public static class OutdoorCellNode
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{
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public static LoadedCell Build(uint outdoorCellId) => new LoadedCell
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{
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CellId = outdoorCellId,
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SeenOutside = true,
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IsOutdoorNode = true,
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WorldTransform = Matrix4x4.Identity,
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InverseWorldTransform = Matrix4x4.Identity,
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};
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}
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