/// <inheritdoc />
public async Task <OutputDataModel> AggregateAsync(List <OutputDataModel> models)
{
return(await Task.Run(
() =>
{
if (models.Count == 1)
{
return models.First();
}
var outputModel = new OutputDataModel();
var firstOutputDataModel = models.First();
foreach (var idAndIntersection in firstOutputDataModel.Intersections)
{
var intersectionId = idAndIntersection.Key;
var streets = idAndIntersection.Value.IncomingStreets;
var streetsByName = streets.ToDictionary(options => options.StreetName, options => options);
var intersectionFromOtherOutputs = models.Skip(1)
.Where(model => model.Intersections.ContainsKey(intersectionId))
.Select(model => model.Intersections[intersectionId])
.ToList();
var foundStreets = intersectionFromOtherOutputs
.SelectMany(
fromOther =>
fromOther.IncomingStreets
.Where(incStreet => streetsByName.ContainsKey(incStreet.StreetName)))
.GroupBy(incStreet => incStreet.StreetName)
.ToDictionary(grouping => grouping.Key, grouping => grouping.ToList());
var intersectionOptionsUpdated = new IntersectionOptions();
var streetOptionsUpdated = streets
.Select(
street =>
{
if (foundStreets.TryGetValue(street.StreetName, out var relatedStreets))
{
return new StreetOptions
{
StreetName = street.StreetName,
GreenLightDuration =
(street.GreenLightDuration
+ relatedStreets.Sum(relStreet => relStreet.GreenLightDuration))
/ (1 + relatedStreets.Count)
};
}
return street;
})
.ToList();
intersectionOptionsUpdated.Id = intersectionId;
intersectionOptionsUpdated.IncomingStreets.AddRange(
streetOptionsUpdated);
outputModel.Intersections.Add(intersectionId, intersectionOptionsUpdated);
}
return outputModel;
}));
}
public static bool Has(this IntersectionOptions val, IntersectionOptions f)
{
//return val.HasFlag(f);
return ((uint)val & (uint)f).Equals((uint)f);
}
public void GetIntersection(ref RayData PathRay, ref RayHit hit, ref SurfaceIntersectionData idata, IntersectionOptions flags)
{
EvalIntersectionAdvanced(ref PathRay, ref hit, ref idata, flags);
}
private void EvalIntersectionAdvanced(ref RayData PathRay, ref RayHit hit, ref SurfaceIntersectionData ii, IntersectionOptions options)
{
ITriangleMesh mesh = null;
#if VERBOSE
try
{
#endif
var currentTriangleIndex = (int)hit.Index;
bool isLight = scene.IsLight(currentTriangleIndex);
ii.Hit = hit;
ii.isLight = isLight;
mesh = scene.GetMeshByTriangleIndex(currentTriangleIndex);
if (mesh == null)
//|| mesh.MeshName.Equals("COL254_01", StringComparison.InvariantCultureIgnoreCase))
{
//ii.Color = new RgbSpectrum(1f);
//Debugger.Break();
throw new ApplicationException("Invalid triangle index " + currentTriangleIndex + " Mesh not found");
}
var meshMat = mesh.MaterialID;
ii.isVolume = scene.IsVolumeTriangle(currentTriangleIndex);
ii.MMaterial = scene.MatLib.GetSurfMat(meshMat);
var matInfo = scene.MaterialProvider.Get(meshMat);
mesh.InterpolateTriUV(currentTriangleIndex, hit.U, hit.V, out ii.TexCoords);
if (ii.isVolume)
{
var volumeMaterialInfo = vm.GetMaterialInfo(mesh.MaterialID);
vmSampler.Sample(volumeMaterialInfo, ii.Hit.Distance, ref PathRay, out ii.VolumeData);
//texSampler.SampleTexture(hit.U, hit.V, volumeMaterialInfo.Density, out ii.VolumeData.Density);
//this.texSampler.SampleTexture(hit.U, hit.V, new NoiseTexture() ii.VolumeData.Density);
//return;
}
mesh.InterpolateTriangleNormal((int)hit.Index, hit.U, hit.V, ref ii.Normal);
//ii.Normal = scene.Triangles[currentTriangleIndex].ComputeNormal(scene.Vertices).Normalize();
// ii.TexCoords = new UV(hit.U, hit.V);
if (isLight)
{
if (!options.Has(IntersectionOptions.ResumeOnLight))
return;
var color = scene.GetLightByIndex((int)hit.Index).Profile.Evaluate(hit.U, hit.V);
ii.Color = options.Has(IntersectionOptions.ResolveSpectralDistributions) ? ColorFactory.ToRgb(ref color) : (RgbSpectrum)(RgbSpectrumInfo)color;
}
if (options.Has(IntersectionOptions.ResolvePartialDerivatives))
{
var p1 = scene.Vertices[scene.Triangles[currentTriangleIndex].v0.VertexIndex];
var p2 = scene.Vertices[scene.Triangles[currentTriangleIndex].v1.VertexIndex];
var p3 = scene.Vertices[scene.Triangles[currentTriangleIndex].v2.VertexIndex];
var mt = scene.sceneData.GeoData.TexCoords;
var uv1 = mt[scene.sceneData.Triangles[currentTriangleIndex].v0.TexCoordIndex];
var uv2 = mt[scene.sceneData.Triangles[currentTriangleIndex].v1.TexCoordIndex];
var uv3 = mt[scene.sceneData.Triangles[currentTriangleIndex].v2.TexCoordIndex];
float du1 = uv1.x - uv3.x;
float du2 = uv2.x - uv3.x;
float dv1 = uv1.y - uv3.y;
float dv2 = uv2.y - uv3.y;
Vector dp1 = Vector.Sub(ref p1, ref p3), dp2 = Vector.Sub(ref p2, ref p3);
float determinant = du1 * dv2 - dv1 * du2;
if (determinant.NearEqual(0f))
{
// Handle zero determinant for triangle partial derivative matrix
Vector e1 = p2 - p1;
Vector e2 = p3 - p1;
Vector.CoordinateSystem(Vector.Normalize(Vector.Cross(ref e2, ref e1)), out ii.DpDu, out ii.DpDv);
}
else
{
float invdet = 1f / determinant;
ii.DpDu = (dv2 * dp1 - dv1 * dp2) * invdet;
ii.DpDv = (-du2 * dp1 + du1 * dp2) * invdet;
}
}
if (matInfo.Alpha is ConstTextureInfo)
{
ii.Alpha = (matInfo.Alpha as ConstTextureInfo).Color;
}
if (options.Has(IntersectionOptions.ResolveTextures))
{
var diffuseTex = scene.Query(meshMat, TextureType.Diffuse);
if (diffuseTex != null)
{
#if !TEXSAMP
RgbSpectrumInfo cc = diffuseTex.Sample(ii.TexCoords.U, ii.TexCoords.V);
#else
RgbSpectrumInfo cc;
texSampler.SampleTexture(ii.TexCoords.U, ii.TexCoords.V, diffuseTex, out cc);
#endif
ii.Color = new RgbSpectrum(cc.c1, cc.c2, cc.c3);
//ii.Color = diffuseTex.Sample(ii.TexCoords.U, ii.TexCoords.V);
//ii.Color = diffuseTex.Sample(hit.U, hit.V);
}
else
{
ii.Color = RgbSpectrum.Max(ref matInfo.Ks, ref matInfo.Kd);
}
var bump = new Vector(0f);
Vector v1, v2;
Normal geoNormal = ii.Normal;
Vector.CoordinateSystem(ref geoNormal, out v1, out v2);
var bumpTex = scene.Query(meshMat, TextureType.Bump);
if (bumpTex != null)
{
var map = bumpTex;
var dudv = map.DUDV;
RgbSpectrumInfo bs;
#if TEXSAMP
texSampler.SampleTexture(ii.TexCoords.U, ii.TexCoords.V, bumpTex, out bs);
#else
bs = bumpTex.Sample(ii.TexCoords.U, ii.TexCoords.V);
#endif
float b0 = bs.Filter();
UV uvdu = new UV(ii.TexCoords.U + dudv.U, ii.TexCoords.V);
#if TEXSAMP
texSampler.SampleTexture(uvdu.U, uvdu.V, bumpTex, out bs);
#else
bs = bumpTex.Sample(uvdu.U, uvdu.V);
#endif
float bu = bs.Filter();
UV uvdv = new UV(ii.TexCoords.U, ii.TexCoords.V + dudv.V);
#if TEXSAMP
texSampler.SampleTexture(uvdv.U, uvdv.V, bumpTex, out bs);
#else
bs = bumpTex.Sample(uvdv.U, uvdv.V);
#endif
float bv = bs.Filter();
float scale = 1.0f; //bm->GetScale();
bump = new Vector(scale * (bu - b0), scale * (bv - b0), 1f);
ii.Normal = new Normal(
v1.x * bump.x + v2.x * bump.y + geoNormal.x * bump.z,
v1.y * bump.x + v2.y * bump.y + geoNormal.y * bump.z,
v1.z * bump.x + v2.z * bump.y + geoNormal.z * bump.z).Normalize();
}
var nfScale = 2.0f;
var nfIscale = 0.5f;
var normTex = scene.Query(meshMat, TextureType.Normal);
if (normTex != null)
{
RgbSpectrumInfo color;
texSampler.SampleTexture(ii.TexCoords.U, ii.TexCoords.V, normTex, out color);
float x = nfScale * (color.c1 - nfIscale);
float y = nfScale * (color.c2 - nfIscale);
float z = nfScale * (color.c3 - nfIscale);
ii.Normal = new Normal(
v1.x * x + v2.x * y + geoNormal.x * z,
v1.y * x + v2.y * y + geoNormal.y * z,
v1.z * x + v2.z * y + geoNormal.z * z).Normalize();
}
RgbSpectrumInfo reflectance = matInfo.Coefficients[3];
//(RgbSpectrumInfo) matInfo.SpecularReflectance;
var reflTex = scene.Query(meshMat, TextureType.Reflection);
if (reflTex != null)
{
texSampler.SampleTexture(ii.TexCoords.U, ii.TexCoords.V, reflTex, out reflectance);
}
RgbSpectrumInfo alpha = null;
var alphaTex = scene.Query(meshMat, TextureType.Alpha);
if (alphaTex != null)
{
texSampler.SampleTexture(ii.TexCoords.U, ii.TexCoords.V, alphaTex, out alpha);
}
var zero = new RgbSpectrum(0f);
if (ii.TextureData == null)
{
ii.TextureData = new SurfaceTextureData()
{
T0 = 0.5f,
Transmittance = matInfo.Ks,
Exponent = matInfo.Exponent,
Alpha = alpha != null ? (RgbSpectrum) alpha : zero,
Diffuse = ii.Color,
Roughness = bump,
Bump = bump,
Medium = MediumInfo.Glass,
Specular = (RgbSpectrum) reflectance
};
}
else
{
ii.TextureData.T0 = 0.5f;
ii.TextureData.Transmittance = matInfo.Ks;
ii.TextureData.Exponent = matInfo.Exponent;
ii.TextureData.Alpha = alpha != null ? (RgbSpectrum) alpha : zero;
ii.TextureData.Diffuse = ii.Color;
ii.TextureData.Roughness = bump;
ii.TextureData.Bump = bump;
ii.TextureData.Medium = MediumInfo.Glass;
ii.TextureData.Specular = (RgbSpectrum) reflectance;
}
}
else
{
ii.Color =
//matInfo.Kd;
RgbSpectrum.Max(ref matInfo.Ks, ref matInfo.Kd);
ii.TextureData = new SurfaceTextureData()
{
T0 = 0.5f,
Transmittance = matInfo.Ks,
Exponent = matInfo.Exponent,
//Alpha = matInfo.Ka,
Diffuse = matInfo.Kd,
//Roughness = bump,
//Bump = bump,
Medium = MediumInfo.Glass,
Specular = matInfo.Ks
};
}
/*
if (mesh.MeshName.Equals("COL254_01", StringComparison.InvariantCultureIgnoreCase))
{
//ii.Color = new RgbSpectrum(1f);
ii.Normal = -scene.Triangles[currentTriangleIndex].ComputeNormal(scene.Vertices).Normalize();
//ii.ShadingNormal = ii.Normal;
}
*/
ii.ShadingNormal = (Normal.Dot(ref PathRay.Dir, ref ii.Normal) > 0f) ? -ii.Normal : ii.Normal;
if (options.Has(IntersectionOptions.ResolveSpectralDistributions))
{
ii.Reflectance = ColorFactory.FromRgb(RgbSpectrum.Max(ref ii.Color, ref matInfo.Kd), SpectrumType.Reflectance);
}
//ii.ShadingNormal = ii.Normal;
/*
ii.Material = new DistributionBsdf(ii.Color.y(), ii.Color,
new FresnelConductor(FresnelApproxEta(ref matInfo.Kd), FresnelApproxK(ref matInfo.Ks))
//new FresnelDielectric(1.5f, 1f)
//new FresnelNoOP()
);
new DistributionBsdf(bump.IsZero() ? ii.Color.Filter():bump.Avg(), ii.Color);
* */
//new DistributionBsdf(bump.IsZero() ? ii.Color.Filter() : bump.Avg(), ii.Color);
#if VERBOSE
}
catch (Exception ex)
{
RayDen.Library.Components.SystemComponents.Tracer.TraceLine("Surface sampling error");
RayDen.Library.Components.SystemComponents.Tracer.TraceLine(ex.Message);
RayDen.Library.Components.SystemComponents.Tracer.TraceLine(ex.StackTrace);
throw;
}
#endif
}
public SurfaceIntersectionData GetIntersection(ref RayData PathRay, ref RayHit hit, IntersectionOptions flags)
{
var ii = new SurfaceIntersectionData(ref hit, false);
EvalIntersectionAdvanced(ref PathRay, ref hit, ref ii, flags);
return ii;
}
