kronic
aeb979f8d5
Per connection, marks every ENEMY ghost OUTSIDE the player's lamp radius IRRELEVANT (monsters in the dark aren't replicated — the gamma test). Modelled on the proven RegionRelevancySystem: SetIsIrrelevant so players/global ghosts stay relevant for free. Shared-set discipline — RegionRelevancySystem is the SOLE clearer (runs every tick); LightRelevancySystem is [UpdateAfter] it and only ADDs light hides via TryAdd (no clear; defensive against a region+light overlap dup). Gated on GymTag (LANTERN-only; legacy region relevancy untouched). Pure decision in LightRelevancyMath (+3 EditMode tests, 500 green). Per-player dim/bright (variable radius) + the L3 gamma-test verification are follow-ups; the ★adversarial netcode review is recommended before this ships. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
22 lines
1.1 KiB
C#
22 lines
1.1 KiB
C#
using Unity.Mathematics;
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namespace ProjectM.Simulation
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{
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/// <summary>
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/// Pure helpers for the LANTERN "light is territory" relevancy prototype (Build Spec Phase 1 step 8): an entity
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/// outside a player's lamp radius isn't replicated to that player. The decision is a planar (XZ) distance test
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/// so it's Burst-safe + unit-testable independent of the netcode <c>GhostRelevancy</c> set manipulation.
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/// </summary>
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public static class LightRelevancyMath
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{
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/// <summary>Prototype lamp radius (world units). Per-player dim/bright (a variable radius = the quiet/blind
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/// trade) is the tuning follow-up; the prototype uses one fixed radius to prove the gamma test.</summary>
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public const float LampRadiusDefault = 25f;
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/// <summary>True when the ghost at <paramref name="ghostPos"/> is OUTSIDE the lamp centred on
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/// <paramref name="playerPos"/> (planar XZ distance beyond the radius) — i.e. hidden from that player.</summary>
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public static bool IsHidden(float3 playerPos, float3 ghostPos, float radiusSq)
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=> math.distancesq(playerPos.xz, ghostPos.xz) > radiusSq;
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}
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}
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