a0741bd13a
Adds AabbMin/AabbMax (per-entity world-space bounding box) and AabbDirty flag to WorldEntity. RefreshAabb() recomputes the box from Position ±5 m (DefaultAabbRadius). SetPosition() writes Position and marks the cache dirty so the dispatcher calls RefreshAabb on first read rather than carrying stale bounds. AabbDirty defaults to true on construction — freshly-built entities have zero AabbMin/AabbMax until RefreshAabb is called. Two new conformance tests verify the ±5 m geometry and the dirty/clean state machine. Per Phase A.5 spec §4.6 Change #2. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
47 lines
1.3 KiB
C#
47 lines
1.3 KiB
C#
using System.Numerics;
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using AcDream.Core.World;
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using Xunit;
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namespace AcDream.Core.Tests.World;
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public class WorldEntityAabbTests
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{
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[Fact]
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public void Aabb_DefaultRadius_PositionPlusMinus5()
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{
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var entity = new WorldEntity
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{
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Id = 1,
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SourceGfxObjOrSetupId = 0,
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Position = new Vector3(10, 20, 30),
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Rotation = System.Numerics.Quaternion.Identity,
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MeshRefs = System.Array.Empty<MeshRef>(),
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};
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entity.RefreshAabb();
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Assert.Equal(new Vector3(5, 15, 25), entity.AabbMin);
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Assert.Equal(new Vector3(15, 25, 35), entity.AabbMax);
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}
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[Fact]
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public void Aabb_DirtyFlag_SetByMutator_ClearedByRefresh()
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{
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var entity = new WorldEntity
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{
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Id = 1,
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SourceGfxObjOrSetupId = 0,
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Position = new Vector3(10, 20, 30),
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Rotation = System.Numerics.Quaternion.Identity,
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MeshRefs = System.Array.Empty<MeshRef>(),
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};
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entity.RefreshAabb();
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Assert.False(entity.AabbDirty);
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entity.SetPosition(new Vector3(100, 200, 300));
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Assert.True(entity.AabbDirty);
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entity.RefreshAabb();
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Assert.False(entity.AabbDirty);
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Assert.Equal(new Vector3(95, 195, 295), entity.AabbMin);
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}
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}
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