86 lines
2.8 KiB
C#
86 lines
2.8 KiB
C#
using System.Numerics;
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using AcDream.Core.Physics;
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using AcDream.Core.World.Cells;
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using DatReaderWriter.Enums;
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using DatReaderWriter.Types;
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using Xunit;
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using UcgCellPortal = AcDream.Core.World.Cells.CellPortal;
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namespace AcDream.Core.Tests.World.Cells;
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public class EnvCellTests
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{
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private static EnvCell Make(Vector3 min, Vector3 max, Matrix4x4? transform = null)
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{
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var t = transform ?? Matrix4x4.Identity;
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Matrix4x4.Invert(t, out var inv);
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return new EnvCell(0xA9B40174u, t, inv, min, max,
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System.Array.Empty<UcgCellPortal>(), System.Array.Empty<uint>(),
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seenOutside: false, containmentBsp: null);
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}
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[Fact]
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public void PointInCell_NullBsp_Aabb_InsideIsTrue()
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=> Assert.True(Make(new Vector3(0,0,0), new Vector3(10,10,10)).PointInCell(new Vector3(5,5,5)));
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[Fact]
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public void PointInCell_NullBsp_Aabb_OutsideIsFalse()
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=> Assert.False(Make(new Vector3(0,0,0), new Vector3(10,10,10)).PointInCell(new Vector3(20,5,5)));
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[Fact]
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public void PointInCell_LoadedNullRoot_IsUniversallyInside()
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{
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var cell = new EnvCell(
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0xA9B4_0174u,
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Matrix4x4.Identity,
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Matrix4x4.Identity,
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Vector3.Zero,
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Vector3.One,
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Array.Empty<UcgCellPortal>(),
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Array.Empty<uint>(),
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seenOutside: false,
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containmentBsp: new CellBSPTree { Root = null });
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Assert.True(cell.PointInCell(new Vector3(10_000f, -10_000f, 500f)));
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}
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[Fact]
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public void PointInCell_TransformsWorldToLocalBeforeTesting()
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{
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var c = Make(new Vector3(0,0,0), new Vector3(10,10,10), Matrix4x4.CreateTranslation(100,0,0));
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Assert.True(c.PointInCell(new Vector3(105,5,5)));
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Assert.False(c.PointInCell(new Vector3(5,5,5)));
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}
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[Fact]
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public void PointInCell_PreparedContainmentIsAuthoritative()
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{
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var graphRoot = new CellBSPNode
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{
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Type = BSPNodeType.BPIn,
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SplittingPlane = new Plane(Vector3.UnitX, -1f),
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PosNode = new CellBSPNode { Type = BSPNodeType.Leaf },
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};
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var flatRoot = new CellBSPNode
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{
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Type = BSPNodeType.Leaf,
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LeafIndex = 1,
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};
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FlatCellContainmentBsp flat =
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FlatCollisionAssetBuilder.FlattenCellContainmentBsp(flatRoot);
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var cell = new EnvCell(
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0xA9B4_0174u,
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Matrix4x4.Identity,
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Matrix4x4.Identity,
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-Vector3.One,
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Vector3.One,
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Array.Empty<UcgCellPortal>(),
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Array.Empty<uint>(),
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seenOutside: false,
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containmentBsp: new CellBSPTree { Root = graphRoot },
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flatContainmentBsp: flat);
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Assert.True(cell.PointInCell(Vector3.Zero));
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Assert.False(BSPQuery.PointInsideCellBsp(graphRoot, Vector3.Zero));
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}
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}
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