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feat(physics): Cluster A — indoor BSP collision probe

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Adds the [indoor-bsp] probe + ProbeIndoorBspEnabled toggle for the
Indoor walking Phase 1 BSP-cluster investigation. Mirrors the existing
[resolve] / [cell-transit] / [indoor-*] pattern: one log line per
BSPQuery.FindCollisions call from FindEnvCollisions' cell branch,
capturing cell id, sphere local-pos, result TransitionState, and the
hit poly's normal + side-type via the LastBspHitPoly side-channel
(already wired for ProbeBuildingEnabled, now also fires for the indoor
flag).

Toggle via ACDREAM_PROBE_INDOOR_BSP=1 env var or DebugPanel checkbox.
Zero-cost when off.

Predecessor for the three fix commits that will close ISSUES.md
#84/#85/#86 after the capture session.

Spec: docs/superpowers/specs/2026-05-19-indoor-walking-phase1-bsp-cluster-design.md
Plan: docs/superpowers/plans/2026-05-19-indoor-walking-phase1-bsp-cluster.md

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Erik 2026-05-19 14:24:07 +02:00
parent 18a2e28875
commit 27d7de11d8
6 changed files with 96 additions and 9 deletions
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18
src/AcDream.Core/Physics/BSPQuery.cs
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@ -1215,7 +1215,7 @@ public static class BSPQuery
{
collisions.SetCollisionNormal(collisionNormal);
// L.2d slice 1 (2026-05-13): diagnostic side-channel.
if (PhysicsDiagnostics.ProbeBuildingEnabled)
if (PhysicsDiagnostics.ProbeBuildingEnabled || PhysicsDiagnostics.ProbeIndoorBspEnabled)
PhysicsDiagnostics.LastBspHitPoly = hitPoly;
return TransitionState.Collided;
}
@ -1228,14 +1228,14 @@ public static class BSPQuery
// the early-out — collisions.SetCollisionNormal isn't called on
// this path, but the caller's CollisionInfo.CollisionNormalValid
// check will catch the parent slide site's normal write instead.
if (PhysicsDiagnostics.ProbeBuildingEnabled)
if (PhysicsDiagnostics.ProbeBuildingEnabled || PhysicsDiagnostics.ProbeIndoorBspEnabled)
PhysicsDiagnostics.LastBspHitPoly = hitPoly;
return TransitionState.Collided;
}
collisions.SetCollisionNormal(collisionNormal);
// L.2d slice 1 (2026-05-13): diagnostic side-channel.
if (PhysicsDiagnostics.ProbeBuildingEnabled)
if (PhysicsDiagnostics.ProbeBuildingEnabled || PhysicsDiagnostics.ProbeIndoorBspEnabled)
PhysicsDiagnostics.LastBspHitPoly = hitPoly;
var adjusted = validPos.Center - checkPos.Center;
@ -1551,7 +1551,7 @@ public static class BSPQuery
// is the dominant grounded-player path; without this the
// probe's [resolve-bldg] line for every grounded BSP hit was
// mis-labeled as "n/a (cylinder)".
if (PhysicsDiagnostics.ProbeBuildingEnabled)
if (PhysicsDiagnostics.ProbeBuildingEnabled || PhysicsDiagnostics.ProbeIndoorBspEnabled)
PhysicsDiagnostics.LastBspHitPoly = hitPoly0;
var worldNormal = L2W(hitPoly0!.Plane.Normal);
@ -1585,7 +1585,7 @@ public static class BSPQuery
// L.2d slice 1.5 (2026-05-13): same early-record as foot
// sphere — head-sphere wall hits also recurse via
// StepSphereUp on the grounded path.
if (PhysicsDiagnostics.ProbeBuildingEnabled)
if (PhysicsDiagnostics.ProbeBuildingEnabled || PhysicsDiagnostics.ProbeIndoorBspEnabled)
PhysicsDiagnostics.LastBspHitPoly = hitPoly1;
var worldNormal = L2W(hitPoly1!.Plane.Normal);
@ -1669,7 +1669,7 @@ public static class BSPQuery
collisions.SetCollisionNormal(worldNormal0);
collisions.SetSlidingNormal(worldNormal0);
// L.2d slice 1 (2026-05-13): diagnostic side-channel.
if (PhysicsDiagnostics.ProbeBuildingEnabled)
if (PhysicsDiagnostics.ProbeBuildingEnabled || PhysicsDiagnostics.ProbeIndoorBspEnabled)
PhysicsDiagnostics.LastBspHitPoly = hitPoly0;
return TransitionState.Slid;
}
@ -1679,7 +1679,7 @@ public static class BSPQuery
path.SetCollide(worldNormal0);
path.WalkableAllowance = PhysicsGlobals.LandingZ;
// L.2d slice 1 (2026-05-13): diagnostic side-channel.
if (PhysicsDiagnostics.ProbeBuildingEnabled)
if (PhysicsDiagnostics.ProbeBuildingEnabled || PhysicsDiagnostics.ProbeIndoorBspEnabled)
PhysicsDiagnostics.LastBspHitPoly = hitPoly0;
return TransitionState.Adjusted;
}
@ -1709,7 +1709,7 @@ public static class BSPQuery
collisions.SetCollisionNormal(worldNormal1);
collisions.SetSlidingNormal(worldNormal1);
// L.2d slice 1 (2026-05-13): diagnostic side-channel.
if (PhysicsDiagnostics.ProbeBuildingEnabled)
if (PhysicsDiagnostics.ProbeBuildingEnabled || PhysicsDiagnostics.ProbeIndoorBspEnabled)
PhysicsDiagnostics.LastBspHitPoly = hitPoly1;
return TransitionState.Slid;
}
@ -1718,7 +1718,7 @@ public static class BSPQuery
path.SetCollide(worldNormal1);
path.WalkableAllowance = PhysicsGlobals.LandingZ;
// L.2d slice 1 (2026-05-13): diagnostic side-channel.
if (PhysicsDiagnostics.ProbeBuildingEnabled)
if (PhysicsDiagnostics.ProbeBuildingEnabled || PhysicsDiagnostics.ProbeIndoorBspEnabled)
PhysicsDiagnostics.LastBspHitPoly = hitPoly1;
return TransitionState.Adjusted;
}