public static void ObjToBin(String inputFile, String outputFile)
{
String modelName = Path.GetFileNameWithoutExtension(inputFile);
String outputDir = Path.GetDirectoryName(outputFile) + @"\";
String meshPrefix = "mesh_";
List<Mesh> meshes = new List<Mesh>();
Mesh currentMesh = null;
StreamReader file = new StreamReader(inputFile);
while (true)
{
// Read a line
string line = file.ReadLine();
if (line == null)
break;
if (line == "")
continue;
String[] tokens = line.Split(' ');
switch (tokens[0])
{
case "v": Positions.Add(ReadVector3(tokens)); break;
case "vn": Normals.Add(ReadVector3(tokens)); break;
case "vt": UVs.Add(ReadVector2(tokens)); break;
case "f": if (currentMesh == null)
{
currentMesh = new Mesh(meshPrefix + modelName); // First mesh has just the name of the model
meshes.Add(currentMesh);
}
currentMesh.AddFace(tokens);
break;
case "o": currentMesh = new Mesh(meshPrefix + modelName + "_" + tokens[1]);
meshes.Add(currentMesh);
break;
default: break;
}
}
WriteDescriptor(modelName, meshes, outputDir);
WriteToFile(outputDir, meshes);
}
static void WriteMesh(String outputDir, Mesh mesh)
{
FileStream stream = new FileStream(outputDir + mesh.Name + ".bin", FileMode.Create);
BinaryWriter output = new BinaryWriter(stream);
mesh.GenerateVerticesAndIndices();
List<Vertex> vertices = mesh.Vertices;
List<short> indices = mesh.Indices;
output.Write(vertices.Count);
//output.Write(indices.Count);
Console.Write("- Vertices: " + vertices.Count);
foreach (Vertex vertex in vertices)
{
WriteVector3(output, vertex.Position);
WriteVector3(output, vertex.Normal);
WriteVector2(output, vertex.TextureCoordinates);
}
Console.Write("- Indices: " + indices.Count);
for (int i = 0; i < indices.Count; ++i)
output.Write(indices[i]);
Console.WriteLine(" done");
output.Close();
}
