Contacts.Step exchanges normal velocity between touching hull discs (PostCollisionVelocity moved verbatim
from ShieldManager) and publishes Zone.Contacted; ShieldManager presents it; HullCollider.OnCollisionEnter
and ShieldManager's ship-on-ship branch are deleted. Not yet built or tested (verification follows).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Operator ruling mines-back-in-sim-asap: delete now, return as a simulation body.
Mesh, materials and BigExplosion stay for the sim-mines presenter. GridObject
stays for the pickups until loot-1 r2. Comments in FireControl.Detonate and
HullCollider drop the deleted callers. Builds not yet verified at this commit.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
ShieldManager's fallback (no ShieldEnvelope yet, e.g. every ship prefab
before the operator hand-rigs it per Q5) hard-failed to a fixed
Vector3.forward direction with a per-hit Debug.LogError. That silently
changed behaviour for every ship in the game until the operator edits
Longinus.prefab/Djinni.prefab on their own schedule -- worse than either
the deleted code or a loud one-time failure.
Extract ShieldEnvelope's local-direction primitive into two static,
no-component-required entry points -- SurfaceDirection(Transform, Vector3)
and LegacyLocalSurfacePoint(Transform, Vector3) -- so both FieldDriver's and
ShieldManager's fallbacks go through one owner instead of each re-deriving
the pre-Cut-2 formula by hand. ShieldManager's fallback now reproduces the
deleted normalize(shield.transform.InverseTransformPoint(point)) formula
exactly via the shared static, logging once (a warning, not a per-hit
error). FieldDriver's fallback is rewired onto the same static rather than
its own inline copy of the maths.
Documented, not silently assumed: FieldDriver's "envelope present" branch
(envelope.ProjectToSurface, world-space) and its fallback (the legacy local-
space formula) are only numerically identical when the carrier's transform
has zero position and identity rotation -- true of the one FieldDriver
carrier in the tree today, not true in general. This is a characteristic of
Cut 2 as scoped by the map (FieldDriver.cs:125 reads envelope.ProjectToSurface
directly, per the map's own text), not something this fix introduces or
resolves; flagged so nobody assumes the two branches are interchangeable for
a future non-origin, non-identity FieldDriver carrier.
ShieldPanelCut2Verify.CheckLegacyFallbackFormulas pins both static entry
points against an independent re-derivation of the exact pre-Cut-2 formulas,
on a carrier with a non-trivial transform (nonzero position, non-identity
rotation) so the check isn't vacuous. mutation_tests_shield_panel_cut2.py
gained two cases: SurfaceDirection collapsing back to a fixed Vector3.forward
(the exact regression fixed here), and LegacyLocalSurfacePoint collapsing to
the raw, untransformed world point -- both correctly fail the probe.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
FieldDriver derived the shield ellipsoid from its own transform.localScale;
ShieldManager derived it independently from the Shield prefab instance's
transform, doing the same normalise-and-project by hand against a different
object. Add ShieldEnvelope as the one reader of a transform's centre, radii,
surface projection, and true outward normal (derived, not authored, per R6 --
no second copy of numbers the physical MeshCollider already owns), and switch
both consumers onto it, deleting their hand-rolled projections.
Radii read the attached collider mesh's own bounds.extents per axis rather
than assuming a flat 0.5 or 1.0: Shield.prefab's Icosphere collider measures
(0.0095106, 0.01, 0.01), not a uniform round number, and the cubesphere's
collider measures exactly (1,1,1) -- confirmed by a throwaway batchmode probe
against the actual mesh assets, not guessed.
SurfaceNormal is not normalize(p): a non-uniform ellipsoid's true normal is
the gradient of the implicit surface, transformed by rotation and the INVERSE
of lossyScale (a normal is a covector). The first implementation used
TransformDirection (rotation and forward scale) and the batchmode probe's
finite-difference gradient check caught it immediately -- exactly the
plausible-looking-wrong-answer failure mode the cut map called out by name.
Both original consumers keep normalize(p)-equivalent behaviour via the new
SurfaceDirection method, since they only ever wanted a direction.
FieldDriver falls back to its pre-cut formulas (logged once) when no
ShieldEnvelope is present, since it has no guaranteed carrier yet.
ShieldManager does not: every object that carries it gets an envelope in this
cut, so a missing one logs an error and degrades to a fixed direction rather
than recomputing a second projection.
No prefab or scene file is touched here (Q5: the operator rigs prefabs and
scenes by hand); ShieldPanelCut2Verify's batchmode probe instead builds
synthetic transforms carrying Longinus's and Djinni's actual override values
plus the real Icosphere mesh, and proves ProjectToSurface lands exactly on the
ellipsoid and SurfaceNormal matches a finite-difference gradient to 1e-3.
mutation_tests_shield_panel_cut2.py mutates SurfaceNormal three ways (back to
normalize(p), back to TransformDirection, and a flattened 0.5 extents factor)
and confirms the probe goes red for each, naming the reason.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
CultMath has no implicit conversions to or from Vector*, Quaternion or
Color, so Assembly-CSharp converts explicitly with ToCultMath/ToUnity at
each engine boundary: FieldDriver, GuidedProjectile(Manager),
EntityInstance, ActionGameManager, HullCollider, GridObject, ShipInstance,
ShieldManager, ItemPickup, FieldTester, PlaceUIElementWorldspace,
MapMenuInput, MapRenderer, SectorRenderer and ZoneRenderer. CultMath math
calls that were handed Unity vectors now take converted values;
Vector3.Scale in FieldDriver becomes a float3 product, and ItemPickup's
Vector3.Dot on float3s becomes dot. packages-lock.json records the
cultmath git package at f0605367 and demotes com.unity.mathematics to a
transitive dependency.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Every Unity.Mathematics using, alias and qualified name under Assets\Scripts
and tools now names CultMath. The nine `using static ...noise;` lines are
gone: snoise lives on CultMath's math. UnityExtensions loses float4.ToColor
and Color.ToFloat4, which duplicate the bridge's ToColor and ToCultMath; the
float3 colour pair stays because the bridge has none.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Fixed: unable to undock with an aetheric drive (game requires locomotion)
Entities have a chance of dropping any item on board when killed
Mine behavior generalized to grid objects, used in dropped loot
Added tractor beam (not itemized yet) which pulls in nearby loot (and mines!)
Items are added to player inventory when they collide with the ship (and mines explode!)
Added console command to spawn turret
