public void ExportModelToDirectoryWithExportOptions(Model model, string directory, ModelExportOptions exportOptions)
{
if (model == null || directory == null || exportOptions == null)
{
return;
}
NumberFormatInfo numberFormatInfo = new NumberFormatInfo();
numberFormatInfo.NumberDecimalSeparator = ".";
if (exportOptions.Package)
{
try
{
DirectoryInfo directoryInfo = Directory.CreateDirectory(directory + @"\" + Path.GetFileNameWithoutExtension(model.Name));
directory = directoryInfo.FullName;
}
catch (Exception) { }
}
if (exportOptions.Textures)
{
ImageImporter imageImporter = new ImageImporter();
ImageExporter imageExporter = new ImageExporter();
foreach (string textureString in model.TextureStrings)
{
MemoryStream textureMemoryStream = AssetManager.Instance.CreateAssetMemoryStreamByName(textureString);
if (textureMemoryStream == null)
{
continue;
}
Image textureImage = imageImporter.LoadImageFromStream(textureMemoryStream);
if (textureImage == null)
{
continue;
}
imageExporter.SaveImage(textureImage, exportOptions.TextureFormat.ImageType, directory + @"\" + Path.GetFileNameWithoutExtension(textureString) + @"." + exportOptions.TextureFormat.Extension);
}
}
string path = string.Format(@"{0}\{1}.{2}", directory, Path.GetFileNameWithoutExtension(model.Name), Extension);
FileStream fileStream = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.Write);
StreamWriter streamWriter = new StreamWriter(fileStream);
for (int i = 0; i < model.Meshes.Length; ++i)
{
Mesh mesh = model.Meshes[i];
//positions
List <Vector3> positions;
if (mesh.GetPositions(out positions, 0))
{
foreach (Vector3 position in positions)
{
Vector3 scaledPosition = Vector3.Multiply(position, exportOptions.Scale);
streamWriter.WriteLine("v {0} {1} {2}", scaledPosition.X.ToString(numberFormatInfo), scaledPosition.Y.ToString(numberFormatInfo), scaledPosition.Z.ToString(numberFormatInfo));
}
}
//texture coordinates
if (exportOptions.TextureCoordinates)
{
Vector2[] texCoords;
if (mesh.GetTexCoords(out texCoords, 0))
{
foreach (Vector2 texcoord in texCoords)
{
streamWriter.WriteLine("vt {0} {1}", texcoord.X.ToString(numberFormatInfo), (-texcoord.Y).ToString(numberFormatInfo));
}
}
}
//normals
if (exportOptions.Normals)
{
Vector3[] normals;
if (mesh.GetNormals(out normals, 0))
{
foreach (Vector3 normal in normals)
{
streamWriter.WriteLine("vn {0} {1} {2}", normal.X.ToString(numberFormatInfo), normal.Y.ToString(numberFormatInfo), normal.Z.ToString(numberFormatInfo));
}
}
}
}
//faces
uint vertexCount = 0;
for (int i = 0; i < model.Meshes.Length; ++i)
{
Mesh mesh = model.Meshes[i];
streamWriter.WriteLine("g Mesh{0}", i);
uint[] indices;
mesh.GetIndices(out indices);
for (int j = 0; j < mesh.IndexCount; j += 3)
{
uint index0 = indices[j + 0];
uint index1 = indices[j + 1];
uint index2 = indices[j + 2];
if (exportOptions.TextureCoordinates && exportOptions.Normals)
{
streamWriter.WriteLine("f {0}/{0}/{0} {1}/{1}/{1} {2}/{2}/{2}", index2, index1, index0);
}
else if (exportOptions.Normals)
{
streamWriter.WriteLine("f {0}//{0} {1}//{1} {2}//{2}", index2, index1, index0);
}
else if (exportOptions.TextureCoordinates)
{
streamWriter.WriteLine("f {0}/{0} {1}/{1} {2}/{2}", index2, index1, index0);
}
else
{
streamWriter.WriteLine("f {0} {1} {2}", index2, index1, index0);
}
}
vertexCount += (uint)mesh.VertexCount;
}
streamWriter.Close();
}
public void ExportModelToDirectoryWithExportOptions(Model model, string directory, ModelExportOptions exportOptions)
{
if (model == null || directory == null || exportOptions == null )
return;
NumberFormatInfo numberFormatInfo = new NumberFormatInfo();
numberFormatInfo.NumberDecimalSeparator = ".";
if (exportOptions.Package)
{
try
{
DirectoryInfo directoryInfo = Directory.CreateDirectory(directory + @"\" + Path.GetFileNameWithoutExtension(model.Name));
directory = directoryInfo.FullName;
}
catch (Exception) { }
}
if (exportOptions.Textures)
{
ImageImporter imageImporter = new ImageImporter();
ImageExporter imageExporter = new ImageExporter();
foreach(string textureString in model.TextureStrings)
{
MemoryStream textureMemoryStream = AssetManager.Instance.CreateAssetMemoryStreamByName(textureString);
if(textureMemoryStream == null)
continue;
Image textureImage = imageImporter.LoadImageFromStream(textureMemoryStream);
if(textureImage == null)
continue;
imageExporter.SaveImage(textureImage, exportOptions.TextureFormat.ImageType, directory + @"\" + Path.GetFileNameWithoutExtension(textureString) + @"." + exportOptions.TextureFormat.Extension);
}
}
string path = string.Format(@"{0}\{1}.{2}", directory, Path.GetFileNameWithoutExtension(model.Name), Extension);
FileStream fileStream = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.Write);
StreamWriter streamWriter = new StreamWriter(fileStream);
for (int i = 0; i < model.Meshes.Length; ++i)
{
Mesh mesh = model.Meshes[i];
//positions
List<Vector3> positions;
if (mesh.GetPositions(out positions, 0))
{
foreach (Vector3 position in positions)
{
Vector3 scaledPosition = Vector3.Multiply(position, exportOptions.Scale);
streamWriter.WriteLine("v {0} {1} {2}", scaledPosition.X.ToString(numberFormatInfo), scaledPosition.Y.ToString(numberFormatInfo), scaledPosition.Z.ToString(numberFormatInfo));
}
}
//texture coordinates
if (exportOptions.TextureCoordinates)
{
Vector2[] texCoords;
if (mesh.GetTexCoords(out texCoords, 0))
{
foreach (Vector2 texcoord in texCoords)
streamWriter.WriteLine("vt {0} {1}", texcoord.X.ToString(numberFormatInfo), (-texcoord.Y).ToString(numberFormatInfo));
}
}
//normals
if (exportOptions.Normals)
{
Vector3[] normals;
if (mesh.GetNormals(out normals, 0))
{
foreach (Vector3 normal in normals)
streamWriter.WriteLine("vn {0} {1} {2}", normal.X.ToString(numberFormatInfo), normal.Y.ToString(numberFormatInfo), normal.Z.ToString(numberFormatInfo));
}
}
}
//faces
uint vertexCount = 0;
for (int i = 0; i < model.Meshes.Length; ++i)
{
Mesh mesh = model.Meshes[i];
streamWriter.WriteLine("g Mesh{0}", i);
uint[] indices;
mesh.GetIndices(out indices);
for (int j = 0; j < mesh.IndexCount; j += 3)
{
uint index0 = indices[j + 0];
uint index1 = indices[j + 1];
uint index2 = indices[j + 2];
if (exportOptions.TextureCoordinates && exportOptions.Normals)
{
streamWriter.WriteLine("f {0}/{0}/{0} {1}/{1}/{1} {2}/{2}/{2}", index2, index1, index0);
}
else if (exportOptions.Normals)
{
streamWriter.WriteLine("f {0}//{0} {1}//{1} {2}//{2}", index2, index1, index0);
}
else if (exportOptions.TextureCoordinates)
{
streamWriter.WriteLine("f {0}/{0} {1}/{1} {2}/{2}", index2, index1, index0);
}
else
{
streamWriter.WriteLine("f {0} {1} {2}", index2, index1, index0);
}
}
vertexCount += (uint)mesh.VertexCount;
}
streamWriter.Close();
}
