acdream/tests/AcDream.Core.Tests/World/Cells/EnvCellTests.cs

86 lines
2.8 KiB
C#

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