public SolidMaterial(MaterialInfo mi, string name = null, int id = 0)
{
MaterialData = mi;
ID = id;
Name = name;
bxdfs = new List<BaseBsdf>();
}
public MaterialInfoContainer( MaterialInfo mt, IEnumerable<MaterialInfo> mats )
{
this.defaultMaterial = mt;
this.map = new Dictionary<string, int>();
this.materials = mats == null ? new []{mt} : mats.ToArray();
for (int index = 0; index < this.materials.Length; index++)
{
var materialInfo = this.materials[index];
this.map.Add(materialInfo.Name.ToLower(), index);
}
}
protected BaseBxdf(ref RayHit rh, ref RayData ray, ref Normal ng, ref Normal ns, ref UV texCoord,
MaterialInfo mi, SurfaceTextureInfo texData, bool fromLight)
{
#if VERBOSE
if (ng.Length > 1f || ns.Length > 1f)
{
Console.WriteLine("Normals in bsdf arent normalized");
}
#endif
this.Init(ref rh, ref ray, ref ng, ref ns, ref texCoord, mi, texData, fromLight);
}
public void SetMaterialInfo(MaterialInfo mi)
{
if (mi == null)
{
var col = new RgbSpectrum(0.5f);
this.Kd = ColorFactory.CreateRegularSpd(ref col, SpectrumType.Reflectance);
return;
}
this.MaterialInfo = mi;
this.Kd = ColorFactory.CreateRegularSpd(ref mi.Kd, SpectrumType.Reflectance);
this.Ks = ColorFactory.CreateRegularSpd(ref mi.Ks, SpectrumType.Reflectance);
this.Kr = ColorFactory.CreateRegularSpd(ref mi.Kr, SpectrumType.Reflectance);
this.Kt = ColorFactory.CreateRegularSpd(ref mi.Kt, SpectrumType.Reflectance);
this.Ke = ColorFactory.CreateRegularSpd(ref mi.Ke, SpectrumType.Reflectance);
}
public SceneManager(TriangleMesh[] geometry, SceneGeometryInfo sceneGeometry, MaterialInfo[] mats)
{
this.sceneGeometry = sceneGeometry;
this.geometry = geometry;
this.materials = mats.ToDictionary(item => item.Name.ToLower());
var acc =
//new OctreeAcceleration();
//new BVHAccellerationStructure();
//new BoundingVolumeHierarchyAcceleration();
//new BottomUpBvhAccelleration();
//new LinearBvhAccelleration();
//new TopDownBvhAccell();
new BoundingVolumeHierarchyAccelerationStructure();
//new BruteForceAccellerationStructure();
//new BspAccellerationStructure();
acc.Init(sceneGeometry, this, geometry);
this.accel = acc;
this.lights = new List<ILight>();
this.defaultMaterial = new MaterialInfo() { Kd = new RgbSpectrum(0.6f) };
Console.WriteLine("Using {0} ", accel.GetType().Name);
}
internal void Init(ref RayHit rh, ref RayData ray, ref Normal ng, ref Normal ns, ref UV texCoord,
MaterialInfo mi, SurfaceTextureInfo texData, bool fromLight)
{
if (rh.Miss())
{
throw new ArgumentException("RayHit missed geometry!");
}
//if (HitPoint == null)
//{
HitPoint = new HitPointInfo
{
Color = RgbSpectrum.Max(ref mi.Kd, ref mi.Ks),
HitPoint = ray.Point(rh.Distance),
TexCoord = texCoord,
FromDirection = -ray.Dir,
GeoNormal = ng,
ShadingNormal = ns,
FromLight = fromLight
};
//}
//else
//{
// HitPoint.HitPoint = ray.Point(rh.Distance);
// HitPoint.TexCoord = texCoord;
// HitPoint.FromDirection = -ray.Dir;
// HitPoint.GeoNormal = ng;
// HitPoint.ShadingNormal = ns;
// HitPoint.FromLight = fromLight;
//};
this.MaterialInfo = mi;
this.TexData = texData;
if (Frame == null)
this.Frame = new ONB(ref HitPoint.GeoNormal);
else
Frame.SetFromZ(ref HitPoint.GeoNormal);
}
public static SurfaceMaterial CreateFrameMaterial(FrameMaterialInfo mi)
{
BrdfClass brdfClass;
if (!BrdfClass.TryParse(mi.BrdfClass, true, out brdfClass))
{
throw new ArgumentException("Invalid brdf class");
}
var matInfo = new MaterialInfo()
{
DataFile = mi.DataFile,
Kd = mi.Diffuse,
Kr = mi.Specular,
Ks = mi.Glossy,
PhongExponent = mi.Exponent,
Name = mi.MaterialName,
DiffuseTexture = new ImageTextureInfo() { FilePath = mi.DiffuseTexture },
BumpTexture = new ImageTextureInfo() { FilePath = mi.BumpTexture },
AlphaTexture = new ImageTextureInfo() { FilePath = mi.AlphaTexture },
};
return CreateMaterial(brdfClass, matInfo);
}
protected BaseMaterial(MaterialInfo mi, RayEngineScene scene)
{
this.mi = mi;
this.Exponent = mi.Exponent;
this.IndexOfRefraction = (ConstWavelengthDependentValue)mi.MediumInfo.IoR;
if (mi.DiffuseTexture != null)
{
Diffuse =
TextureFactory.Instance.CreateImageTexture(
(RgbSpectrumTexture)scene.Query(mi.MaterialName, TextureType.Diffuse));
}
else
{
Diffuse = TextureFactory.Instance.CreateConstTexture(ref mi.Kd);
}
if (mi.Specular != null)
{
Specular =
TextureFactory.Instance.CreateImageTexture(
(RgbSpectrumTexture)scene.Query(mi.MaterialName, TextureType.Specular));
}
else
{
Specular = TextureFactory.Instance.CreateConstTexture(ref mi.Kr);
}
if (mi.AlphaTexture != null)
{
Alpha =
TextureFactory.Instance.CreateImageTexture(
(RgbSpectrumTexture)scene.Query(mi.MaterialName, TextureType.Alpha));
}
var zeroSpectrum = RgbSpectrum.ZeroSpectrum();
var zeroTex = TextureFactory.Instance.CreateConstTexture(ref zeroSpectrum);
if (mi.BumpTexture != null && scene.OptTextures.Contains(mi.BumpTexture))
{
Bump =
TextureFactory.Instance.CreateImageTexture(
(RgbSpectrumTexture)scene.Query(mi.MaterialName, TextureType.Bump));
}
//else
//{
// Bump = zeroTex;
//}
if (!mi.GlossReflectance.IsBlack())
{
Glossy = TextureFactory.Instance.CreateConstTexture(ref mi.Ks);
}
//else
//{
// Glossy = zeroTex;
//}
if (!mi.Kt.IsBlack())
{
Transmission = TextureFactory.Instance.CreateConstTexture(ref mi.Kt);
}
//else
//{
// Transmission = zeroTex;
//}
if (!mi.Reflectance.IsBlack())
{
Reflectance = TextureFactory.Instance.CreateConstTexture(ref mi.Reflectance);
}
//else
//{
// Reflectance = zeroTex;
//}
}
public SolidMaterial(int id, MaterialInfo mi, RayEngineScene scn, BrdfBase brdf) : base(mi, scn)
{
this.Id = id;
this.brdf = brdf;
}
private static MaterialInfo CreateMaterial(string name, ObjMaterial material)
{
try
{
var res = new MaterialInfo()
{
Ka = material.Ka,
Kd = material.Kd,
Ks = material.Ks,
Ke = material.Ke,
Exponent = material.Ns,
Name = name
};
if (!string.IsNullOrWhiteSpace(material.KaMap))
{
res.Specular = new ImageTextureInfo()
{
FilePath = material.KaMap,
Name = Path.GetFileName(material.KaMap)
};
}
if (!string.IsNullOrWhiteSpace(material.KdMap))
{
res.Diffuse = new ImageTextureInfo()
{
FilePath = material.KdMap,
Name = Path.GetFileName(material.KdMap)
};
}
if (!string.IsNullOrWhiteSpace(material.KsMap))
{
res.Specular = new ImageTextureInfo()
{
FilePath = material.KsMap,
Name = Path.GetFileName(material.KsMap)
};
}
if (!string.IsNullOrWhiteSpace(material.BumpMap))
{
res.BumpMap = new ImageTextureInfo()
{
FilePath = material.BumpMap,
Name = Path.GetFileName(material.BumpMap)
};
}
if (!string.IsNullOrWhiteSpace(material.AlphaMap))
{
res.Alpha = new ImageTextureInfo()
{
FilePath = material.AlphaMap,
Name = Path.GetFileName(material.AlphaMap)
};
}
if (!string.IsNullOrWhiteSpace(material.NormalMap))
{
res.NormalMap = new ImageTextureInfo()
{
FilePath = material.NormalMap,
Name = Path.GetFileName(material.NormalMap)
};
}
if (!string.IsNullOrWhiteSpace(material.DataMap))
{
res.DataFile = material.DataMap;
}
return res;
}
catch (Exception ex)
{
throw ex;
}
}
private void Init()
{
var materialInfo = new MaterialInfo()
{
Name = "object_materialview_test",
DiffuseReflectance = new RgbSpectrum(0.6f), GlossReflectance = new RgbSpectrum(0f, 0.45f, 0.65f), PhongExponent = 50f,SpecularReflectance = new RgbSpectrum(0.75f),
DiffuseTexture = new ImageTextureInfo() { FilePath = @"I:\3D\Textures\Oxidated.jpg" },// { FilePath = @"I:\3D\Textures\102.png" },
//BumpTexture = new ImageTextureInfo() { FilePath = @"I:\3D\Textures\102bump.png" },
NormalMap = new ImageTextureInfo() { FilePath = @"I:\3D\Textures\Oxidated.normal.jpg" }
};
var secondMI = new MaterialInfo()
{
Name = "smi",
DiffuseReflectance = new RgbSpectrum(0.75f),
SpecularReflectance = new RgbSpectrum(0.75f)
};
ObjectMaterial = new SurfaceMaterial
(
//new MatteMaterial(materialInfo.DiffuseReflectance) { MaterialData = materialInfo }
new OrenNayarMaterial(materialInfo.DiffuseReflectance, 0.2f) { MaterialData = materialInfo }
//new AnisotropicPhong(materialInfo.DiffuseReflectance, materialInfo.GlossReflectance, 10f, 10f) { MaterialData = materialInfo}
//new GlassMaterial(materialInfo.DiffuseReflectance + 0.2f, materialInfo.GlossReflectance + 0.2f, 1.0005f, 1.5f, true, true) { MaterialData = materialInfo }
//new MetalMaterial(materialInfo.DiffuseReflectance, materialInfo.PhongExponent, true){MaterialData = materialInfo}
/*
*/
// new MatteMirrorMaterial(materialInfo.DiffuseReflectance, materialInfo.GlossReflectance, true) { MaterialData = materialInfo }
// new ArchGlassMaterial(materialInfo.DiffuseReflectance, materialInfo.GlossReflectance, true, true) { MaterialData = materialInfo}
/*
new DistributionBsdf(10.175f, materialInfo.DiffuseReflectance
//,new FresnelDielectric(1.39f, 0.6f)
,new FresnelConductor(materialInfo.DiffuseReflectance, materialInfo.GlossReflectance)
) {MaterialData = materialInfo} */
//new MirrorMaterial(materialInfo.DiffuseReflectance, true) { MaterialData = materialInfo }
//new MatteMaterial(secondMI.DiffuseReflectance) { MaterialData = secondMI }
//new TranslucentMaterial(materialInfo.DiffuseReflectance) { MaterialData = secondMI }
//new MatteMaterial(materialInfo.DiffuseReflectance){ MaterialData = materialInfo }
/*
new MatteMaterial(materialInfo.DiffuseReflectance){ MaterialData = materialInfo }
*
new MirrorMaterial(secondMI.DiffuseReflectance, true) { MaterialData = secondMI }*/
//new AlloyMaterial(materialInfo.DiffuseReflectance, materialInfo.GlossReflectance, materialInfo.PhongExponent, 0.5f, true) {MaterialData = materialInfo}
);
var planeMI = new MaterialInfo()
{
Name = "plane_material",
DiffuseReflectance = new RgbSpectrum(0.7f),
DiffuseTexture = new ImageTextureInfo() { FilePath = "Finishes.Flooring.Tile.Diamond.Red.jpg" },
//{ FilePath = @"I:\3D\Textures\CEDFENCE.jpg" },
//BumpTexture = new ImageTextureInfo() { FilePath = @"I:\3D\Textures\102bump.png" },
BumpMap = new ImageTextureInfo() { FilePath = "Finishes.Flooring.Tile.Diamond.Red.bump.jpg" }
//{ FilePath = @"I:\3D\Textures\CEDFENCE.Normal.jpg" }
};
PlaneMaterial = new SurfaceMaterial(
new MatteMaterial(planeMI.DiffuseReflectance)
// new DistributionBsdf(1.175f, materialInfo.DiffuseReflectance ,new FresnelDielectric(1.39f, 0.6f))
{ MaterialData = planeMI});
}
public UberMaterial(MaterialInfo data) : base(data)
{
}
protected MaterialImplementation(MaterialInfo data) {
this.MaterialData = data;
}
public MaterialInfo[] LoadMaterials(string fileName, params string[] paths)
{
return this.materials.Select(
mat =>
{
var result = new MaterialInfo()
{
Name = mat.Key,
Ka = new RgbSpectrum(mat.Value.Ambient),
Kd = new RgbSpectrum(mat.Value.Diffuse),
Ks = new RgbSpectrum(mat.Value.Specular),
Exponent = mat.Value.Shininess
};
if (mat.Value.Textures.Any())
{
result.Diffuse = new ImageTextureInfo() { FilePath = mat.Value.Textures[0] };
}
return
result;
}
).ToArray();
}
public OptixMaterialInfo CreateMaterial(MaterialInfo mi, BrdfClass type)
{
var result = new OptixMaterialInfo()
{
Name = mi.Name.ToLower(),
Info = mi,
Type = type
};
result.Node = new Material(context);
result.Node.SetSurfaceProgram(0, new SurfaceProgram(context, RayHitType.Closest, classKernelMap[result.Type].Item1, classKernelMap[result.Type].Item2));
result.Node.SetSurfaceProgram(1, new SurfaceProgram(context, RayHitType.Any, classKernelMap[result.Type].Item1, classKernelMap[result.Type].Item3));
/*
switch (result.Type)
{
case BrdfClass.DiffuseLambert:
break;
}*/
return result;
}
public SpecularReflectionBrdf(ref RayHit rh, ref RayData ray, ref Normal ng, ref Normal ns, ref UV texCoord, MaterialInfo mi, SurfaceTextureInfo texData, bool fromLight)
: base(ref rh, ref ray, ref ng, ref ns, ref texCoord, mi, texData, fromLight)
{
}
public MatteLambertBrdf(ref RayHit rh, ref RayData ray, ref Normal ng, ref Normal ns, ref UV texCoord, MaterialInfo mi, SurfaceTextureInfo texData, bool fromLight)
: base(ref rh, ref ray, ref ng, ref ns, ref texCoord, mi, texData, fromLight)
{
}
private static SurfaceMaterial CreateMaterial(BrdfClass cl, MaterialInfo materialInfo)
{
switch (cl)
{
case BrdfClass.Measured:
return new SurfaceMaterial(
new RegularHalfangleBRDF(materialInfo.DataFile ?? @"F:\3D\Brdfs\merl\two-layer-silver.binary")
)
{
Name = materialInfo.Name.ToLower(),
Type = BrdfType.Glossy
}; ;
case BrdfClass.ArchGlass:
return new SurfaceMaterial(
new ArchGlassMaterial(materialInfo.DiffuseReflectance, materialInfo.GlossReflectance, true, true)
{
MaterialData = materialInfo
})
{
Name = materialInfo.Name.ToLower(),
Type = BrdfType.Specular
};
case BrdfClass.Glass:
return new SurfaceMaterial(
//new CanonicalGlassMaterial(materialInfo.Kd + 0.5f , materialInfo.GlossReflectance + 0.1f, MediumInfo.Glass)
new GlassMaterial(materialInfo.Kd + 1f, materialInfo.GlossReflectance + 0.1f, 1.0005f, 1.2f, true, true)
{
MaterialData = materialInfo
})
{
Name = materialInfo.Name.ToLower(),
Type = BrdfType.Specular
};
case BrdfClass.GlossyMetal:
return new SurfaceMaterial(
new MetalMaterial(materialInfo.DiffuseReflectance, materialInfo.PhongExponent, true)
{
MaterialData = materialInfo
})
{
Name = materialInfo.Name.ToLower(),
Type = BrdfType.Glossy
};
case BrdfClass.Alloy:
return new SurfaceMaterial(
//new AnisotropicPhong(materialInfo.DiffuseReflectance, materialInfo.GlossReflectance, 20f, 20f)
//new PhongMaterial(RgbSpectrum.Max(ref materialInfo.Kd, ref materialInfo .Ks), materialInfo.PhongExponent)
new AlloyMaterial(materialInfo.DiffuseReflectance, materialInfo.GlossReflectance, materialInfo.PhongExponent, 0.5f, true)
{
MaterialData = materialInfo
}) { Name = materialInfo.Name.ToLower(), Type = BrdfType.Glossy };
case BrdfClass.Mirror:
return new SurfaceMaterial(
new MirrorMaterial(materialInfo.DiffuseReflectance, true) { MaterialData = materialInfo })
{
Name = materialInfo.Name.ToLower(),
Type = BrdfType.Specular
};
case BrdfClass.MatteMirror:
return new SurfaceMaterial(
new MatteMirrorMaterial(materialInfo.DiffuseReflectance, materialInfo.GlossReflectance, true) { MaterialData = materialInfo })
{
Name = materialInfo.Name.ToLower(),
Type = BrdfType.Glossy
};
case BrdfClass.Distribution:
// return new RoughMatte(ref materialInfo.Kd) {Type = BrdfType.Diffuse};
return new SurfaceMaterial(
//new GlassMaterial(materialInfo.GlossReflectance, materialInfo.DiffuseReflectance + 0.1f, 1.0005f, 1.5f, true, true)
//new AnisotropicPhong(materialInfo.DiffuseReflectance, materialInfo.GlossReflectance , 10f, 10f)
//new PhongMaterial(materialInfo.Kd, materialInfo.Ks, materialInfo.PhongExponent)
//new FresnelBlend(materialInfo.Kd, materialInfo.Ks, materialInfo.PhongExponent)
//new MatteMaterial(materialInfo.DiffuseReflectance)
//new OrenNayarMaterial(materialInfo.DiffuseReflectance, materialInfo.Kd.Filter())
//new MatteMaterial(materialInfo.DiffuseReflectance)
//new MatteMirrorMaterial( materialInfo.DiffuseReflectance, materialInfo.GlossReflectance, true)
//new MirrorMaterial(materialInfo.DiffuseReflectance,true)
//new DistributionBsdf(materialInfo.PhongExponent, materialInfo.Kd)
new DistributionBsdf(materialInfo.PhongExponent, materialInfo.Kd + 0.5f, new FresnelConductor(new RgbSpectrum(0.5f), new RgbSpectrum(0.025f)))
//new ArchGlassMaterial(materialInfo.Kd, materialInfo.Ks, true, true) { MaterialData = materialInfo }
//new AlloyMaterial(materialInfo.Kd, materialInfo.Ks, materialInfo.Exponent, 0.5f, true)
//new MetalMaterial(materialInfo.Kd, materialInfo.Exponent, true) { MaterialData = materialInfo }
//new MatteMaterial(materialInfo.Kd) { MaterialData = materialInfo }
)
{
Name = materialInfo.Name,
Type = BrdfType.Glossy | BrdfType.Diffuse,
};
case BrdfClass.DiffuseLambert:
return new SurfaceMaterial(
//new DistributionBsdf(materialInfo.Exponent, materialInfo.Kd)
//new OrenNayarMaterial(materialInfo.DiffuseReflectance, materialInfo.Kd.Filter())
new MatteMaterial(materialInfo.DiffuseReflectance) { MaterialData = materialInfo })
{
Name = materialInfo.Name,
Type = BrdfType.Diffuse,
};
default:
return new SurfaceMaterial(
//new DistributionBsdf(materialInfo.Exponent, materialInfo.Kd)
new OrenNayarMaterial(materialInfo.DiffuseReflectance, materialInfo.Kd.Filter()) { MaterialData = materialInfo })
//new MatteMaterial(materialInfo.DiffuseReflectance) { MaterialData = materialInfo })
{
Name = materialInfo.Name,
Type = BrdfType.Diffuse,
};
}
}
public DiffuseMaterial(MaterialInfo data) : base(data)
{
}
public static SurfaceMaterial CreateMaterial(MaterialInfo materialInfo)
{
var mat = CreateMaterialInternal(materialInfo);
return mat;
}
public IMaterialLibrary<ISurfaceMaterial> GetLibrary(MaterialInfo[] materials)
{
var library = new OptimizedBsdfLibrary();
library.Populate(materials);
return library;
}
//TODO Eval by mapper only elementary brdf - single return with variable parameters
private static SurfaceMaterial CreateMaterialInternal(MaterialInfo materialInfo)
{
try
{
if (materialInfo.Name.ToLowerInvariant().StartsWith("mb") && materialInfo.Name.Length < 5)
{
var index = int.Parse(materialInfo.Name.Substring(2, materialInfo.Name.Length - 2));
var mbData = SampledSpectrum.macbethSpectra[index].Select(i => (float)i).ToArray();
float[] mRes = new float[81];
for (int i = 0; i < 81; i++)
{
mRes[i] = (float)SampledSpectrum.macbethSpectra[i][index - 1];
}
SampledSpectrum spd =
SampledSpectrum.FromSampled(SampledSpectrum.macbeth_lambda.Select(o => (float)o).ToArray(),
mRes);
materialInfo.Reflectance = spd;
return new SurfaceMaterial(
//new OrenNayarMaterial(materialInfo.DiffuseReflectance, materialInfo.Kd.Filter())
new SpectralMatteMaterial(spd) { MaterialData = materialInfo })
{
Name = materialInfo.Name,
Class = BrdfClassNameMapper.GetMaterialClass(materialInfo),
Type = BrdfType.Diffuse,
};
}
}
catch { }
if (materialInfo.Name.Contains("translucent"))
{
if (materialInfo.Name.Contains("alloy"))
{
return new SurfaceMaterial(
new BrdfToBtdf(
new AlloyMaterial(materialInfo.DiffuseReflectance, materialInfo.GlossReflectance,
materialInfo.PhongExponent,
materialInfo.DiffuseReflectance.y() / materialInfo.GlossReflectance.y(), false)
{
MaterialData = materialInfo
}))
{
Name = materialInfo.Name.ToLower(),
Class = BrdfClassNameMapper.GetMaterialClass(materialInfo),
Type = BrdfType.Glossy | BrdfType.Refractive
};
}
return new SurfaceMaterial(
new BrdfToBtdf(new MatteMirrorMaterial(materialInfo.DiffuseReflectance,
materialInfo.GlossReflectance, false) { MaterialData = materialInfo }))
{
Name = materialInfo.Name.ToLower(),
Class = BrdfClassNameMapper.GetMaterialClass(materialInfo),
Type = BrdfType.Glossy
};
}
if (materialInfo.Name.NameContains("water"))
{
return new SurfaceMaterial(
new GlassMaterial(new RgbSpectrum(0f, 0.1f, 0.7f), materialInfo.GlossReflectance + 0.1f, 1.0005f, 1.31f, true, true)
{
MaterialData = materialInfo
})
{
Name = materialInfo.Name.ToLower(),
Class = BrdfClassNameMapper.GetMaterialClass(materialInfo),
Type = BrdfType.Specular | BrdfType.Refractive
};
}
switch (BrdfClassNameMapper.GetMaterialClass(materialInfo))
{
case BrdfClass.Measured:
return new SurfaceMaterial(
new RegularHalfangleBRDF(materialInfo.DataFile ?? @"F:\3D\Brdfs\merl\two-layer-silver.binary")
)
{
Class = BrdfClassNameMapper.GetMaterialClass(materialInfo),
Name = materialInfo.Name.ToLower(),
Type = BrdfType.Glossy
}; ;
case BrdfClass.ArchGlass:
return new SurfaceMaterial(
new ArchGlassMaterial(materialInfo.DiffuseReflectance, materialInfo.GlossReflectance, true, true)
{
MaterialData = materialInfo
})
{
Name = materialInfo.Name.ToLower(),
Class = BrdfClassNameMapper.GetMaterialClass(materialInfo),
Type = BrdfType.Specular | BrdfType.Refractive
};
case BrdfClass.Glass:
return new SurfaceMaterial(
//new CanonicalGlassMaterial(materialInfo.Kd + 0.5f , materialInfo.GlossReflectance + 0.1f, MediumInfo.Glass)
new GlassMaterial(materialInfo.Kd + 1f, materialInfo.GlossReflectance + 0.1f, 1.0005f, materialInfo.Name.NameContains("flint") ? 1.98f : Math.Max(materialInfo.MediumInfo.IoR,1.5f), true, true)
//new DispersiveGlassMaterial(materialInfo.Kd + 1f, materialInfo.GlossReflectance + 0.1f, 1.0005f, 1.2f, true, true)
//new ArchGlassMaterial(materialInfo.DiffuseReflectance, materialInfo.GlossReflectance, true, true)
{
MaterialData = materialInfo
})
{
Name = materialInfo.Name.ToLower(),
Class = BrdfClassNameMapper.GetMaterialClass(materialInfo),
Type = BrdfType.Specular | BrdfType.Refractive
};
case BrdfClass.GlossyMetal:
return new SurfaceMaterial(
new MetalMaterial(materialInfo.DiffuseReflectance, materialInfo.PhongExponent, true)
{
MaterialData = materialInfo
})
{
Name = materialInfo.Name.ToLower(),
Class = BrdfClassNameMapper.GetMaterialClass(materialInfo),
Type = BrdfType.Glossy
};
case BrdfClass.Alloy:
bool specular = !materialInfo.Name.NameContains("dull");
return new SurfaceMaterial(
//new AnisotropicPhong(materialInfo.DiffuseReflectance, materialInfo.GlossReflectance, 20f, 20f)
//new PhongMaterial(RgbSpectrum.Max(ref materialInfo.Kd, ref materialInfo .Ks), materialInfo.PhongExponent)
new AlloyMaterial(materialInfo.DiffuseReflectance, materialInfo.GlossReflectance, materialInfo.PhongExponent, materialInfo.DiffuseReflectance.y() / materialInfo.GlossReflectance.y(), specular)
{
MaterialData = materialInfo
})
{
Name = materialInfo.Name.ToLower(),
Class = BrdfClassNameMapper.GetMaterialClass(materialInfo),
Type = BrdfType.Glossy
};
case BrdfClass.Mirror:
return new SurfaceMaterial(
new MirrorMaterial(materialInfo.DiffuseReflectance, true) { MaterialData = materialInfo })
{
Name = materialInfo.Name.ToLower(),
Class = BrdfClassNameMapper.GetMaterialClass(materialInfo),
Type = BrdfType.Specular
};
case BrdfClass.MatteMirror:
return new SurfaceMaterial(
new MatteMirrorMaterial(materialInfo.DiffuseReflectance, materialInfo.GlossReflectance, true) { MaterialData = materialInfo })
{
Name = materialInfo.Name.ToLower(),
Class = BrdfClassNameMapper.GetMaterialClass(materialInfo),
Type = BrdfType.Glossy
};
case BrdfClass.Distribution:
// return new RoughMatte(ref materialInfo.Kd) {Type = BrdfType.Diffuse};
return new SurfaceMaterial(
//new GlassMaterial(materialInfo.GlossReflectance, materialInfo.DiffuseReflectance + 0.1f, 1.0005f, 1.5f, true, true)
//new AnisotropicPhong(materialInfo.DiffuseReflectance, materialInfo.GlossReflectance , 10f, 10f)
//new PhongMaterial(materialInfo.Kd, materialInfo.Ks, materialInfo.PhongExponent)
//new FresnelBlend(materialInfo.Kd, materialInfo.Ks, materialInfo.PhongExponent)
//new MatteMaterial(materialInfo.DiffuseReflectance)
//new OrenNayarMaterial(materialInfo.DiffuseReflectance, materialInfo.Kd.Filter())
//new MatteMaterial(materialInfo.DiffuseReflectance)
//new MatteMirrorMaterial( materialInfo.DiffuseReflectance, materialInfo.GlossReflectance, true)
//new MirrorMaterial(materialInfo.DiffuseReflectance,true)
//new DistributionBsdf(materialInfo.PhongExponent, materialInfo.Kd)
new DistributionBsdf(materialInfo.PhongExponent, materialInfo.Kd + 0.5f, new FresnelConductor(new RgbSpectrum(0.5f), new RgbSpectrum(0.025f)))
//new ArchGlassMaterial(materialInfo.Kd, materialInfo.Ks, true, true) { MaterialData = materialInfo }
//new AlloyMaterial(materialInfo.Kd, materialInfo.Ks, materialInfo.Exponent, 0.5f, true)
//new MetalMaterial(materialInfo.Kd, materialInfo.Exponent, true) { MaterialData = materialInfo }
//new MatteMaterial(materialInfo.Kd) { MaterialData = materialInfo }
)
{
Name = materialInfo.Name,
Class = BrdfClassNameMapper.GetMaterialClass(materialInfo),
Type = BrdfType.Glossy | BrdfType.Diffuse,
};
case BrdfClass.DiffuseLambert:
return new SurfaceMaterial(
//new DistributionBsdf(materialInfo.Exponent, materialInfo.Kd)
//new OrenNayarMaterial(materialInfo.DiffuseReflectance, materialInfo.Kd.Filter())
new MatteMaterial(materialInfo.DiffuseReflectance) { MaterialData = materialInfo })
{
Name = materialInfo.Name,
Class = BrdfClassNameMapper.GetMaterialClass(materialInfo),
Type = BrdfType.Diffuse,
};
default:
return new SurfaceMaterial(
//new DistributionBsdf(materialInfo.Exponent, materialInfo.Kd)
//new OrenNayarMaterial(materialInfo.DiffuseReflectance, materialInfo.Kd.Filter()) { MaterialData = materialInfo })
new MatteMaterial(materialInfo.DiffuseReflectance) { MaterialData = materialInfo })
{
Name = materialInfo.Name,
Class = BrdfClassNameMapper.GetMaterialClass(materialInfo),
Type = BrdfType.Diffuse,
};
}
}
public static BrdfClass GetMaterialClass(MaterialInfo materialInfo)
{
if (materialInfo.Name.NameContains("orennayar", "oren_nayar", "_M_OR"))
{
return BrdfClass.OrenNayar;
}
if (materialInfo.Name.NameContains1("anisotropicphong",
"_M_AS"))
{
return BrdfClass.AnisotropicPhong;
}
if (materialInfo.Name.NameContains("measured"
, "head_mat"
, "_M_RHA_"))
{
return BrdfClass.Measured;
}
if (materialInfo.Name.NameContains("experimental", "_M_XP"))
{
return BrdfClass.Experimental;
}
if (materialInfo.Name.NameContains(
"Ruby",
"Emerald",
"bunny",
"garg_mat",
"cornell_exp_mat",
"glass",
"wire_135059008",
"wire_060134005",
"staklo",
"wire_140088225",
"wire_154215229",
"wire_228153184",
"wire_057008136",
"__SILVER",
"simple_metal_1",
"wire_000000000",
"wire_200157056",
"wire_113134006",
"wire_134110008",
"water",
"_M_GLS",
"wire_141182235"))
{
return BrdfClass.Glass;
}
if (materialInfo.Name.NameContains(
"Saphire",
"arch",
"_M_AGLS",
"wire_008061138", "wire_213228166", "wire_134110008", "wire_028149177",
"Material__29"))
{
return BrdfClass.ArchGlass;
}
if (!materialInfo.GlossReflectance.IsBlack() && materialInfo.Name.NameContains("metal",
"wire_028089177",
"_M_MTL",
"chrome",
"inside",
"reflection",
"wire_177088026", "wire_153228184", "wire_153228214", "wire_028089177"
))
{
return BrdfClass.GlossyMetal;
}
if (!materialInfo.GlossReflectance.IsBlack() && materialInfo.Name.NameContains("alloy"
, "mmix",
"_M_ALO",
"porcelain",
"marble",
"gloss",
"plastic",
"ceramic",
"wire_008008136"
))
{
return BrdfClass.Alloy;
}
if (materialInfo.Name.NameContains("mirror",
"_M_MIR",
"wire_154154229"))
{
return BrdfClass.Mirror;
}
if (materialInfo.Name.NameContains("matmir",
"_M_MMR",
"wire_087224087"))
{
return BrdfClass.MatteMirror;
}
if (materialInfo.Name.NameContains("MaterialView_Test",
//"phong",
"mitsuba",
"blinn",
"_M_DST",
"wire_088144225"
))
{
return BrdfClass.Distribution;
}
if (materialInfo.Name.NameContains("wire_229166215", "wire_060134005"))
{
return BrdfClass.ArchGlass;
}
return BrdfClass.DiffuseLambert;
}
public IMaterialLibrary<ISurfaceMaterial> GetMaterialPlugin(MaterialInfo[] m)
{
return new MaterialPlugin().GetLibrary(m);
}
