private void InitDevIL() {
m_importer = new ImageImporter();
m_exporter = new ImageExporter();
ImageState state = new ImageState();
state.AbsoluteFormat = DataFormat.BGRA;
state.AbsoluteDataType = DataType.UnsignedByte;
state.AbsoluteOrigin = OriginLocation.UpperLeft;
state.Apply();
CompressionState comp = new CompressionState();
comp.KeepDxtcData = true;
comp.Apply();
SaveState sstate = new SaveState();
sstate.OverwriteExistingFile = true;
sstate.Apply();
}
public static List<Texture> LoadFromFile(string rootPath ,string filePath)
{
ImageImporter importer = new ImageImporter();
ImageExporter exporter = new ImageExporter();
Image image;
List<Texture> textures = new List<Texture>();
string[] fps = filePath.Split('*');
string fp;
for (int i = 0; i < fps.Length; i++)
{
fp = rootPath + fps[i];
image = importer.LoadImage(fp);
if (Path.GetExtension(fp) != ".tga" && Path.GetExtension(fp) != ".png")
{
if (!File.Exists(fp.Replace(Path.GetExtension(fp), ".tga")))
exporter.SaveImage(image, ImageType.Tga, fp.Replace(Path.GetExtension(fp), ".tga"));
image = importer.LoadImage(fp.Replace(Path.GetExtension(fp), ".tga"));
}
//image.Bind();
//var info = DevIL.Unmanaged.IL.GetImageInfo();
//var bitmap = new System.Drawing.Bitmap(info.Width, info.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
//var rect = new System.Drawing.Rectangle(0, 0, info.Width, info.Height);
//var data = bitmap.LockBits(rect, System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
//DevIL.Unmanaged.IL.CopyPixels(0, 0, 0, info.Width, info.Height, info.Depth, DataFormat.BGRA, DataType.UnsignedByte);
//bitmap.UnlockBits(data);
//var converter = new System.Drawing.ImageConverter();
//var test = converter.ConvertTo(bitmap, typeof(byte[]));
//var raw = (byte[])converter.ConvertTo(bitmap, typeof(byte[]));
textures.Add(new Texture(image, fp));
}
return textures;
}
private static void exportModelAsOBJToDirectory(Model model, string directory, ExportOptions options)
{
//TODO: Figure out what to do with non-version 4 models.
if (model != null && model.Version != 4)
{
return;
}
NumberFormatInfo format = new NumberFormatInfo();
format.NumberDecimalSeparator = ".";
if (options.Package)
{
try
{
DirectoryInfo directoryInfo = Directory.CreateDirectory(directory + @"\" + Path.GetFileNameWithoutExtension(model.Name));
directory = directoryInfo.FullName;
}
catch (Exception) { }
}
if (options.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, options.TextureFormat.ImageType, directory + @"\" + Path.GetFileNameWithoutExtension(textureString) + @"." + options.TextureFormat.Extension);
}
}
String path = directory + @"\" + Path.GetFileNameWithoutExtension(model.Name) + ".obj";
FileStream fileStream = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.Write);
StreamWriter streamWriter = new StreamWriter(fileStream);
for (Int32 i = 0; i < model.Meshes.Length; ++i)
{
Mesh mesh = model.Meshes[i];
MaterialDefinition materialDefinition = MaterialDefinitionManager.Instance.MaterialDefinitions[model.Materials[(Int32)mesh.MaterialIndex].MaterialDefinitionHash];
VertexLayout vertexLayout = MaterialDefinitionManager.Instance.VertexLayouts[materialDefinition.DrawStyles[0].VertexLayoutNameHash];
//position
VertexLayout.Entry.DataTypes positionDataType;
Int32 positionOffset;
Int32 positionStreamIndex;
vertexLayout.GetEntryInfoFromDataUsageAndUsageIndex(VertexLayout.Entry.DataUsages.Position, 0, out positionDataType, out positionStreamIndex, out positionOffset);
Mesh.VertexStream positionStream = mesh.VertexStreams[positionStreamIndex];
for (Int32 j = 0; j < mesh.VertexCount; ++j)
{
Vector3 position = readVector3(options, positionOffset, positionStream, j);
position.X *= options.Scale.X;
position.Y *= options.Scale.Y;
position.Z *= options.Scale.Z;
streamWriter.WriteLine("v " + position.X.ToString(format) + " " + position.Y.ToString(format) + " " + position.Z.ToString(format));
}
//texture coordinates
if (options.TextureCoordinates)
{
VertexLayout.Entry.DataTypes texCoord0DataType;
Int32 texCoord0Offset = 0;
Int32 texCoord0StreamIndex = 0;
Boolean texCoord0Present = vertexLayout.GetEntryInfoFromDataUsageAndUsageIndex(VertexLayout.Entry.DataUsages.Texcoord, 0, out texCoord0DataType, out texCoord0StreamIndex, out texCoord0Offset);
if (texCoord0Present)
{
Mesh.VertexStream texCoord0Stream = mesh.VertexStreams[texCoord0StreamIndex];
for (Int32 j = 0; j < mesh.VertexCount; ++j)
{
Vector2 texCoord;
switch (texCoord0DataType)
{
case VertexLayout.Entry.DataTypes.Float2:
texCoord.X = BitConverter.ToSingle(texCoord0Stream.Data, (j * texCoord0Stream.BytesPerVertex) + 0);
texCoord.Y = 1.0f - BitConverter.ToSingle(texCoord0Stream.Data, (j * texCoord0Stream.BytesPerVertex) + 4);
break;
case VertexLayout.Entry.DataTypes.float16_2:
texCoord.X = Half.FromBytes(texCoord0Stream.Data, (j * texCoord0Stream.BytesPerVertex) + texCoord0Offset + 0).ToSingle();
texCoord.Y = 1.0f - Half.FromBytes(texCoord0Stream.Data, (j * texCoord0Stream.BytesPerVertex) + texCoord0Offset + 2).ToSingle();
break;
default:
texCoord.X = 0;
texCoord.Y = 0;
break;
}
streamWriter.WriteLine("vt " + texCoord.X.ToString(format) + " " + texCoord.Y.ToString(format));
}
}
}
}
//faces
UInt32 vertexCount = 0;
for (Int32 i = 0; i < model.Meshes.Length; ++i)
{
Mesh mesh = model.Meshes[i];
streamWriter.WriteLine("g Mesh" + i);
for (Int32 j = 0; j < mesh.IndexCount; j += 3)
{
UInt32 index0, index1, index2;
switch (mesh.IndexSize)
{
case 2:
index0 = vertexCount + BitConverter.ToUInt16(mesh.IndexData, (j * 2) + 0) + 1;
index1 = vertexCount + BitConverter.ToUInt16(mesh.IndexData, (j * 2) + 2) + 1;
index2 = vertexCount + BitConverter.ToUInt16(mesh.IndexData, (j * 2) + 4) + 1;
break;
case 4:
index0 = vertexCount + BitConverter.ToUInt32(mesh.IndexData, (j * 4) + 0) + 1;
index1 = vertexCount + BitConverter.ToUInt32(mesh.IndexData, (j * 4) + 4) + 1;
index2 = vertexCount + BitConverter.ToUInt32(mesh.IndexData, (j * 4) + 8) + 1;
break;
default:
index0 = 0;
index1 = 0;
index2 = 0;
break;
}
if (options.Normals && options.TextureCoordinates)
{
streamWriter.WriteLine("f " + index2 + "/" + index2 + "/" + index2 + " " + index1 + "/" + index1 + "/" + index1 + " " + index0 + "/" + index0 + "/" + index0);
}
else if (options.Normals)
{
streamWriter.WriteLine("f " + index2 + "//" + index2 + " " + index1 + "//" + index1 + " " + index0 + "//" + index0);
}
else if (options.TextureCoordinates)
{
streamWriter.WriteLine("f " + index2 + "/" + index2 + " " + index1 + "/" + index1 + " " + index0 + "/" + index0);
}
else
{
streamWriter.WriteLine("f " + index2 + " " + index1 + " " + index0);
}
}
vertexCount += (UInt32)mesh.VertexCount;
}
streamWriter.Close();
}
public static Texture LoadFromFile(string filePath)
{
ImageImporter importer = new ImageImporter();
ImageExporter exporter = new ImageExporter();
Image image;
image = importer.LoadImage(filePath);
if (Path.GetExtension(filePath) != ".tga" && Path.GetExtension(filePath) != ".png")
{
if (!File.Exists(filePath.Replace(Path.GetExtension(filePath), ".tga")))
exporter.SaveImage(image, ImageType.Tga, filePath.Replace(Path.GetExtension(filePath), ".tga"));
image = importer.LoadImage(filePath.Replace(Path.GetExtension(filePath), ".tga"));
}
//image.Bind();
//var info = DevIL.Unmanaged.IL.GetImageInfo();
//var bitmap = new System.Drawing.Bitmap(info.Width, info.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
//var rect = new System.Drawing.Rectangle(0, 0, info.Width, info.Height);
//var data = bitmap.LockBits(rect, System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
//DevIL.Unmanaged.IL.CopyPixels(0, 0, 0, info.Width, info.Height, info.Depth, DataFormat.BGRA, DataType.UnsignedByte);
//bitmap.UnlockBits(data);
//var converter = new System.Drawing.ImageConverter();
//var test = converter.ConvertTo(bitmap, typeof(byte[]));
//var raw = (byte[])converter.ConvertTo(bitmap, typeof(byte[]));
return new Texture(image);
}
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();
}
