private void LoadMaterials(XElement xmlScene)
{
if (xmlScene != null && xmlScene.Elements("material_list").Any())
{
XElement xmlMaterials = xmlScene.Elements("material_list").First();
foreach (XElement materialNode in xmlMaterials.Elements("material"))
{
string name = materialNode.Attribute("name").Value;
Material material = new Material(name);
if (materialNode.Elements("texture").Any())
{
material.FileName = materialNode.Elements("texture").First().Attribute("filename").Value;
}
if (material.FileName != null && material.FileName != String.Empty && File.Exists(material.FileName))
{
material.TextureImage = (Bitmap)Bitmap.FromFile(material.FileName);
}
if (materialNode.Elements("specular").Any())
{
material.Specular = LoadSpecular(materialNode.Elements("specular").First());
}
if (materialNode.Elements("diffuse").Any())
{
material.Diffuse = LoadColor(materialNode.Elements("diffuse").First());
}
if (materialNode.Elements("transparent").Any())
{
material.Transparent = LoadColor(materialNode.Elements("transparent").First());
}
if (materialNode.Elements("reflective").Any())
{
material.Reflective = LoadColor(materialNode.Elements("reflective").First());
}
if (materialNode.Elements("refraction_index").Any())
{
material.RefractionIndex = LoadColor(materialNode.Elements("refraction_index").First());
}
MaterialDictionary.Add(name, material);
}
}
else
{
Material materialDefault = new Material("Yellow");
materialDefault.FileName = "";
materialDefault.Diffuse = new Vector(1, 1, 0);
materialDefault.Specular = new Vector(0, 0, 0, 5);
if (!MaterialDictionary.ContainsKey("Yellow"))
{
MaterialDictionary.Add("Yellow", materialDefault);
}
}
}
static ModelDataProvider()
{
SolidColorBrush transparentBrush = new SolidColorBrush(Colors.LightBlue);
transparentBrush.Opacity = 0.5;
MaterialGroup windowMaterial = new MaterialGroup();
windowMaterial.Children.Add(new DiffuseMaterial(transparentBrush));
windowMaterial.Children.Add(new SpecularMaterial(transparentBrush, 40));
_defaultMaterials = new MaterialDictionary();
_defaultMaterials.Add("IfcProduct", new DiffuseMaterial(new SolidColorBrush(Colors.Wheat)));
_defaultMaterials.Add("IfcBuildingElementProxy", new DiffuseMaterial(new SolidColorBrush(Colors.Snow)));
_defaultMaterials.Add("IfcWall", new DiffuseMaterial(new SolidColorBrush(Colors.White)));
_defaultMaterials.Add("IfcRoof", new DiffuseMaterial(new SolidColorBrush(Colors.LightSteelBlue)));
_defaultMaterials.Add("IfcSlab", new DiffuseMaterial(new SolidColorBrush(Colors.LightSteelBlue)
{
}));
_defaultMaterials.Add("IfcWindow", windowMaterial);
_defaultMaterials.Add("IfcPlate", windowMaterial);
_defaultMaterials.Add("IfcDoor", new DiffuseMaterial(new SolidColorBrush(Colors.CadetBlue)
{
}));
_defaultMaterials.Add("IfcStair",
new DiffuseMaterial(new SolidColorBrush(Colors.Wheat)));
_defaultMaterials.Add("IfcBeam", new DiffuseMaterial(new SolidColorBrush(Colors.LightSlateGray)
{
}));
_defaultMaterials.Add("IfcColumn", new DiffuseMaterial(new SolidColorBrush(Colors.LightSlateGray)
{
}));
_defaultMaterials.Add("IfcFurnishingElement",
new DiffuseMaterial(new SolidColorBrush(Colors.WhiteSmoke)
{
Opacity = 0.7
}));
_defaultMaterials.Add("IfcDistributionFlowElement",
new DiffuseMaterial(new SolidColorBrush(Colors.AntiqueWhite)
{
Opacity = 1.0
}));
_defaultMaterials.Add("IfcFlowFitting",
new DiffuseMaterial(new SolidColorBrush(Colors.PaleGoldenrod)
{
Opacity = 1.0
}));
_defaultMaterials.Add("IfcFlowSegment",
new DiffuseMaterial(new SolidColorBrush(Colors.PaleVioletRed)
{
Opacity = 1.0
}));
_defaultMaterials.Add("IfcFlowTerminal",
new DiffuseMaterial(new SolidColorBrush(Colors.IndianRed)
{
Opacity = 1.0
}));
_defaultMaterials.Add("IfcSpace", new DiffuseMaterial(new SolidColorBrush(Colors.Red)
{
Opacity = 0.4
}));
_defaultMaterials.Add("IfcRailing", new DiffuseMaterial(new SolidColorBrush(Colors.Goldenrod)
{
}));
_defaultMaterials.Add("IfcOpeningElement", new DiffuseMaterial(new SolidColorBrush(Colors.Red)
{
Opacity = 0.4
}));
}