45 lines
1.6 KiB
C#
45 lines
1.6 KiB
C#
using System.Numerics;
|
|
using AcDream.Core.Lighting;
|
|
using Xunit;
|
|
|
|
namespace AcDream.Core.Tests.Lighting;
|
|
|
|
public class GlobalLightPackerTests
|
|
{
|
|
[Fact]
|
|
public void Pack_WritesSixteenFloatsPerLight_InTheExpectedLayout()
|
|
{
|
|
var light = new LightSource
|
|
{
|
|
Kind = LightKind.Point,
|
|
WorldPosition = new Vector3(10f, 20f, 30f),
|
|
WorldForward = new Vector3(0f, 0f, 1f),
|
|
ColorLinear = new Vector3(1.0f, 0.588f, 0.314f),
|
|
Intensity = 100f,
|
|
Range = 5.2f,
|
|
ConeAngle = 0f,
|
|
};
|
|
float[] buffer = System.Array.Empty<float>();
|
|
|
|
int count = GlobalLightPacker.Pack(new[] { light }, ref buffer);
|
|
|
|
Assert.Equal(1, count);
|
|
Assert.True(buffer.Length >= 16);
|
|
Assert.Equal(10f, buffer[0]); Assert.Equal(20f, buffer[1]); Assert.Equal(30f, buffer[2]);
|
|
Assert.Equal((float)(int)LightKind.Point, buffer[3]);
|
|
Assert.Equal(0f, buffer[4]); Assert.Equal(0f, buffer[5]); Assert.Equal(1f, buffer[6]);
|
|
Assert.Equal(5.2f, buffer[7]);
|
|
Assert.Equal(1.0f, buffer[8]); Assert.Equal(0.588f, buffer[9]); Assert.Equal(0.314f, buffer[10]);
|
|
Assert.Equal(100f, buffer[11]);
|
|
Assert.Equal(0f, buffer[12]);
|
|
}
|
|
|
|
[Fact]
|
|
public void Pack_NullOrEmpty_ReturnsZero_AndBufferHasAtLeastOneSlot()
|
|
{
|
|
float[] buffer = System.Array.Empty<float>();
|
|
int count = GlobalLightPacker.Pack(null, ref buffer);
|
|
Assert.Equal(0, count);
|
|
Assert.True(buffer.Length >= GlobalLightPacker.FloatsPerLight);
|
|
}
|
|
}
|