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Visibility 4a: the ping test ticks once so Ping() fires; a departure counts light on every channel

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The ping test never pinged (a sensor's cooldown opens on its first tick), so a restored ping bump survived. ADepartureCountsLightOnEveryChannel pins the departure to the subject's whole Visibility. Builds.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Meta Vens 2026-10-13 00:27:22 +02:00
commit 642a61ebbf
1 changed files with 25 additions and 0 deletions
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tests/Aetheria.Shared.Tests/ContactRevealTests.cs
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@ -397,6 +397,7 @@ public sealed class ContactRevealTests : IDisposable
var p = t.Add(float3(0, 0, 1000), new[] { "Eye" });
var o = t.Add(float3(0, 0, 0), new[] { "Eye" });
var sensor = p.Equipment.SelectMany(i => i.Behaviors).OfType<Sensor>().Single();
t.Tick(.1f); // a sensor's first tick opens its ping cooldown; Ping() is refused before it
if (ping) sensor.Ping();
var light = new List<float> { p.Visibility };
for (var tick = 0; tick < 10; tick++)
@ -659,6 +660,30 @@ public sealed class ContactRevealTests : IDisposable
Assert.Equal(ended ? 0 : 1, o.RevealsOf(e).Count());
}
// The departure records the subject's whole Visibility: no channel is excepted. The light at removal sits on each
// channel in turn, a hair above the observer's gate, and ends the reveals whichever channel carries it.
[Theory]
[InlineData(SignatureChannel.Thermal)]
[InlineData(SignatureChannel.DrivePlume)]
[InlineData(SignatureChannel.Reflection)]
[InlineData(SignatureChannel.LaunchFlash)]
public void ADepartureCountsLightOnEveryChannel(SignatureChannel channel)
{
var e = Add(float3(0, 0, 100), new[] { "Gun" });
var o = Add(float3(0, 0, 0), new[] { "Eye" });
Fire(e, Guns(e)[0]);
Tick(.01f);
Assert.Single(o.RevealsOf(e));
var gate = _items.GameplaySettings.TargetDetectionInfoThreshold / o.PassiveInfo(e.Position.xz, 1f);
foreach (var source in e.VisibilitySources.Keys.ToArray()) e.SetSignature(source, SignatureChannel.Reflection, 0f, Guns(e)[0]);
e.SetSignature(new object(), channel, gate * 1.01f, Guns(e)[0]);
_zone.Entities.Remove(e);
Tick(.1f);
Assert.Empty(o.RevealsOf(e));
}
// The gate is strict, as the light-act gate is: a light at removal that lands exactly on the threshold ends nothing.
// At 32 the observer's info per unit light is 4 / 32, a power of two, so threshold x 8 is the light whose product
// with it is exactly the threshold.