/// <summary>
/// create mesh and append them to productGO
/// </summary>
/// <param name="si"></param>
/// <param name="productGO"></param>
private static void GenerateShapeInstance(MyBimShapeInstance si, GameObject productGO)
{
GameObject shapeGO = new GameObject(si.instanceLabel.ToString());
shapeGO.transform.parent = productGO.transform;
var mf = shapeGO.AddComponent <MeshFilter>();
var mesh = mf.mesh;
foreach (var tri in si.triangulations)
{
mesh.vertices = tri.vertices.ToArray();
mesh.triangles = tri.triangles.ToArray();
mesh.normals = tri.normals.ToArray();
mesh.Optimize();
}
var mr = shapeGO.AddComponent <MeshRenderer>();
//var mat = new Material(Shader.Find("Standard"));
var c = MyBimGeomorty.colors.Find(cl => cl.styleLabel == si.styleLabel);
//mat.color = c.color;
mr.material = c.mat;
if (c.color.a < 0.9f)
{
SetMaterialRenderingMode(c.mat, RenderingMode.Transparent);
}
else
{
SetMaterialRenderingMode(c.mat, RenderingMode.Opaque);
}
}
public void AddShapeInstance(MyBimShapeInstance si)
{
shapeInstances.Add(si);
}
/// <summary>
/// read geomotry data from wexbim file
/// </summary>
/// <param name="fileName"></param>
public static void ReadWexbimFile(string fileName)
{
Vector3 offsite;
using (var fs = new FileStream(fileName, FileMode.Open, FileAccess.Read))
{
using (var br = new BinaryReader(fs))
{
var magicalNum = br.ReadInt32();
var version = br.ReadByte();
var shapeCount = br.ReadInt32();
var vertexCount = br.ReadInt32();
var triangleCount = br.ReadInt32();
var matrixCount = br.ReadInt32();
var productCount = br.ReadInt32();
var styleCount = br.ReadInt32();
var scale = br.ReadSingle();
var regionCount = br.ReadInt16();
//Region
for (int i = 0; i < regionCount; i++)
{
var population = br.ReadInt32();
var centreX = br.ReadSingle(); centreX /= scale;
var centreY = br.ReadSingle(); centreY /= scale;
var centreZ = br.ReadSingle(); centreZ /= scale;
var boundsBytes = br.ReadBytes(6 * sizeof(float));
var bounds = XbimRect3D.FromArray(boundsBytes);
bounds.X /= scale; bounds.Y /= scale; bounds.Z /= scale;
bounds.SizeX /= scale; bounds.SizeY /= scale; bounds.SizeZ /= scale;
MyBimGeomorty.regions.Add(new MyBimRegion(population, centreX, centreY, centreZ, (float)bounds.SizeX, (float)bounds.SizeY, (float)bounds.SizeZ));
}
offsite = MyBimGeomorty.regions[0].position;
//texture
for (int i = 0; i < styleCount; i++)
{
var styleId = br.ReadInt32();
var red = br.ReadSingle();
var green = br.ReadSingle();
var blue = br.ReadSingle();
var alpha = br.ReadSingle();
MyBimGeomorty.colors.Add(new MyBimColor(styleId, red, green, blue, alpha));
}
//product
for (int i = 0; i < productCount; i++)
{
var entityLabel = br.ReadInt32();
var typeId = br.ReadInt16();
var boxBytes = br.ReadBytes(6 * sizeof(float));
XbimRect3D bb = XbimRect3D.FromArray(boxBytes);
//float x = (float)bb.X, y = (float)bb.Y, z = (float)bb.Z;
//float sizeX = (float)bb.SizeX, sizeY = (float)bb.SizeY, sizeZ = (float)bb.SizeZ;
MyBimGeomorty.products.Add(new MyBimProduct(entityLabel, typeId));
}
//shape
for (int i = 0; i < shapeCount; i++)
{
var shapeRepetition = br.ReadInt32();
MyBimShapeInstance si;
if (shapeRepetition > 1)
{
List <MyBimShapeInstance> curShapeInstances = new List <MyBimShapeInstance>();
for (int j = 0; j < shapeRepetition; j++)
{
var ifcProductLabel = br.ReadInt32();
var ifcTypeId = br.ReadInt16();
var instanceLabel = br.ReadInt32();
var styleLabel = br.ReadInt32();
var transform = XbimMatrix3D.FromArray(br.ReadBytes(sizeof(double) * 16));
si = new MyBimShapeInstance(ifcProductLabel, ifcTypeId, instanceLabel, styleLabel, transform);
//MyBimGeomorty.shapeInstances.Add(si);
curShapeInstances.Add(si);
var p = MyBimGeomorty.products.Find(product => product.entityLabel == ifcProductLabel);
p.AddShapeInstance(si);
}
var triangulation = br.ReadShapeTriangulation();
foreach (var csi in curShapeInstances)
{
var tri = new MyBimTriangulation(triangulation, offsite, scale, csi.transform, true);
csi.AddTriangulation(tri);
//MyBimGeomorty.triangulations.Add(tri);
}
}
else if (shapeRepetition == 1)
{
var ifcProductLabel = br.ReadInt32();
var ifcTypeId = br.ReadInt16();
var instanceLabel = br.ReadInt32();
var styleLabel = br.ReadInt32();
si = new MyBimShapeInstance(ifcProductLabel, ifcTypeId, instanceLabel, styleLabel);
//MyBimGeomorty.shapeInstances.Add(si);
var p = MyBimGeomorty.products.Find(product => product.entityLabel == ifcProductLabel);
p.AddShapeInstance(si);
XbimShapeTriangulation triangulation = br.ReadShapeTriangulation();
var tri = new MyBimTriangulation(triangulation, offsite, scale);
//MyBimGeomorty.triangulations.Add(tri);
si.AddTriangulation(tri);
}
}
}
}
}
