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refactor(render): publish the walk visible-cell set

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Erik 2026-08-31 04:15:55 +02:00
parent c9fb7e7d4c
commit 877e935ac4
4 changed files with 29 additions and 46 deletions
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44
src/AcDream.App/Rendering/RetailPViewRenderer.cs
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@ -442,14 +442,18 @@ public sealed class RetailPViewRenderer
int terrainUploadCount = checked(1 + clipAssembly.OutsideViewSlices.Length * 2);
passes.PrepareClipFrame(terrainUploadCount);
// #124: look-in cells need prepared shell batches + their statics routed
// into partition.ByCell (consumed ONLY by DrawBuildingLookIns — the main
// cell-object pass iterates pvFrame.OrderedVisibleCells, which never
// contains them). drawableCells itself stays the MAIN flood: it feeds the
// seals, the outside-stage predicate, and the frame result.
// Production prepares exactly the walk's visited-cell set. The
// legacy builder's main-flood/look-in union survives only for
// standalone fake executors until the shell-deletion slice.
var prepareCells = drawableCells;
_lookInCellIds.Clear();
if (_lookInFrames.Count > 0 || walkActive)
if (walkActive)
{
_lookInPrepareScratch.Clear();
_lookInPrepareScratch.UnionWith(walkDriver!.VisitedCells);
prepareCells = _lookInPrepareScratch;
}
else if (_lookInFrames.Count > 0)
{
_lookInPrepareScratch.Clear();
_lookInPrepareScratch.UnionWith(drawableCells);
@ -461,13 +465,6 @@ public sealed class RetailPViewRenderer
_lookInCellIds.Add(c);
}
}
if (walkActive)
{
// The walk's own flood/look-in cell set — unioned in (never
// aliased with drawableCells, which the outside-stage and seal
// predicates below still need scoped to the OLD flood only).
_lookInPrepareScratch.UnionWith(walkDriver!.VisitedCells);
}
prepareCells = _lookInPrepareScratch;
}
@ -2876,20 +2873,11 @@ public sealed class RetailPViewFrameResult
public HashSet<uint> DrawableCells { get; private set; } = null!;
/// <summary>
/// Every cell this completed view actually reached: the main flood
/// (<see cref="DrawableCells"/>) plus the building look-in cells. This is
/// retail's per-cell <c>in_view</c> answer for effect consumers —
/// <c>CPhysicsObj::ShouldDrawParticles</c> @0x0050FE60 gates on
/// <c>cell-&gt;IsInView()</c>, and a cell entered through a building portal
/// (<c>PView::ConstructView</c> @0x005A57B0, installed by
/// <c>RenderDeviceD3D::DrawBuilding</c> @0x0059F2A0) is drawn by the same
/// <c>PView::DrawCells</c> traversal as a flooded cell, so retail marks it
/// in view identically. acdream's look-in adaptation keeps those cells out
/// of <see cref="DrawableCells"/> (seals / outside-stage predicate stay
/// main-flood scoped, #124); particle and light visibility must consume
/// THIS set or look-in rooms render with frozen emitters and dark lights.
/// The production retail walk's exact visited-cell set. This is the one
/// visibility answer consumed by EnvCell preparation, particles, lights,
/// and directional-shadow filtering.
/// </summary>
public HashSet<uint> InViewCells { get; private set; } = null!;
public HashSet<uint> VisibleCells { get; private set; } = null!;
internal RenderFrameDiagnosticCounts DiagnosticCounts { get; private set; }
internal RenderProjectionCounts SourceCounts { get; private set; }
@ -2900,7 +2888,7 @@ public sealed class RetailPViewFrameResult
PortalVisibilityFrame portalFrame,
ClipFrameAssembly clipAssembly,
HashSet<uint> drawableCells,
HashSet<uint> inViewCells,
HashSet<uint> visibleCells,
RenderFrameDiagnosticCounts diagnosticCounts,
RenderProjectionCounts sourceCounts,
InteriorEntityPartition.Result? diagnosticPartition)
@ -2908,7 +2896,7 @@ public sealed class RetailPViewFrameResult
PortalFrame = portalFrame;
ClipAssembly = clipAssembly;
DrawableCells = drawableCells;
InViewCells = inViewCells;
VisibleCells = visibleCells;
DiagnosticCounts = diagnosticCounts;
SourceCounts = sourceCounts;
DiagnosticPartition = diagnosticPartition;

17
src/AcDream.App/Rendering/WorldSceneRenderer.cs
View file

@ -217,6 +217,8 @@ internal sealed class WorldSceneRenderer : IPreparedWorldSceneFramePhase
// this phase only enforces it.
_passes.DrawFlatTerrain(in camera, roots.PlayerLandblockId);
terrainDrawn = true;
if (_passes.TerrainVisibleCellIds is { } flatTerrainCells)
_particleVisibility.MarkVisibleCells(flatTerrainCells);
}
else
{
@ -254,14 +256,11 @@ internal sealed class WorldSceneRenderer : IPreparedWorldSceneFramePhase
camera.Camera.View,
_diagnostics.CameraCellResolution));
// Effect visibility consumes InViewCells (main flood ∪ look-in
// cells), not the flood-only DrawableCells: retail's
// ShouldDrawParticles @0x0050FE60 asks cell->IsInView(), and a
// look-in cell drawn via DrawBuilding @0x0059F2A0 is in view
// exactly like a flooded cell. Flood-only scoping froze
// emitters and darkened lights in visible adjacent rooms.
_particleVisibility.MarkVisibleCells(pviewResult.InViewCells);
_frames.ObserveDrawableCells(pviewResult.InViewCells);
// One visibility answer: the walk's exact visited-cell set
// feeds effects and the frame environment (point lights and
// directional-shadow filtering).
_particleVisibility.MarkVisibleCells(pviewResult.VisibleCells);
_frames.ObserveDrawableCells(pviewResult.VisibleCells);
_diagnostics.EmitPViewInput(
pviewResult.PortalFrame,
camera.ViewProjection,
@ -441,8 +440,6 @@ internal sealed class WorldSceneRenderer : IPreparedWorldSceneFramePhase
private void CompleteWorldFrame()
{
_alpha.EndFrame();
if (_passes.TerrainVisibleCellIds is { } visibleTerrainCells)
_particleVisibility.MarkVisibleCells(visibleTerrainCells);
_particleVisibility.CompleteFrame();
}