static void ExportRoutine(string sourceFile,string targetFile)
{
//Load src file
DMC4Model mdl = new DMC4Model();
mdl.LoadModel(sourceFile);
//Convert
WavefrontModel convertedMdl = WavefrontModel.FromDMC4Model(mdl);
convertedMdl.SaveModel(targetFile);
}
public static WavefrontModel FromDMC4Model(DMC4Model model)
{
WavefrontModel convertedModel = new WavefrontModel();
float3[] vertices = new float3[model.Vertices.Length];
float3[] normals = new float3[model.Vertices.Length];
float3[] texcoords = new float3[model.Vertices.Length];
for (int i = 0; i < model.Vertices.Length; i++)
{
vertices[i] = new float3((float)model.Vertices[i].Position.X / (float)model.Vertices[i].Position.W,
(float)model.Vertices[i].Position.Y / (float)model.Vertices[i].Position.W,
(float)model.Vertices[i].Position.Z / (float)model.Vertices[i].Position.W);
normals[i] = new float3((float)model.Vertices[i].Normals.X / (float)model.Vertices[i].Normals.W,
(float)model.Vertices[i].Normals.Y / (float)model.Vertices[i].Normals.W,
(float)model.Vertices[i].Normals.Z / (float)model.Vertices[i].Normals.W);
texcoords[i] = new float3((float)model.Vertices[i].TEXCOORD0.X / (float)short.MaxValue,
(float)model.Vertices[i].TEXCOORD0.Y / (float)short.MaxValue,
0.0f);
}
short[] tris = new short[model.Triangles.Length];
for (int i = 0; i < model.Triangles.Length; i++)
{
tris[i] = (short)(model.Triangles[i] + 1);//Triangle indexing in Wavefront starts from 1
}
//Remap vertices (denormalization)
foreach (var vertex in vertices)
{
vertex.X = vertex.X * (model.MaxBoundingbox.X - model.MinBoundingbox.X) + model.MinBoundingbox.X;
vertex.Y = vertex.Y * (model.MaxBoundingbox.Y - model.MinBoundingbox.Y) + model.MinBoundingbox.Y;
vertex.Z = vertex.Z * (model.MaxBoundingbox.Z - model.MinBoundingbox.Z) + model.MinBoundingbox.Z;
}
convertedModel.Vertices = vertices;
convertedModel.Normals = normals;
convertedModel.TextureCoordinates = texcoords;
convertedModel.Triangles = tris;
return convertedModel;
}
