public static void ExportModelToDirectory(Model model, string directory, ExportOptions exportOptions)
{
switch (exportOptions.ExportFormatInfo.ExportFormat)
{
case ExportFormats.Obj:
exportModelAsOBJToDirectory(model, directory, exportOptions);
break;
//case ModelExportFormats.STL:
// exportModelAsSTLToDirectory(model, directory, formatOptions.Options);
// break;
}
}
public static Mesh LoadFromStream(Model model, Stream stream)
{
BinaryReader binaryReader = new BinaryReader(stream);
uint bytesPerVertex = 0;
uint vertexStreamCount = 0;
Mesh mesh = new Mesh(model);
mesh.MaterialIndex = binaryReader.ReadUInt32();
mesh.Unknown1 = binaryReader.ReadUInt32();
mesh.Unknown2 = binaryReader.ReadUInt32();
mesh.Unknown3 = binaryReader.ReadUInt32();
vertexStreamCount = binaryReader.ReadUInt32();
mesh.IndexSize = binaryReader.ReadUInt32();
mesh.IndexCount = binaryReader.ReadUInt32();
mesh.VertexCount = binaryReader.ReadUInt32();
mesh.VertexStreams = new VertexStream[(int)vertexStreamCount];
// read vertex streams
for (int j = 0; j < vertexStreamCount; ++j)
{
bytesPerVertex = binaryReader.ReadUInt32();
byte[] buffer = binaryReader.ReadBytes((int)mesh.VertexCount * (int)bytesPerVertex);
VertexStream vertexStream = new VertexStream((int)bytesPerVertex, buffer);
if (vertexStream != null)
{
mesh.VertexStreams[j] = vertexStream;
}
}
// read indices
mesh.IndexData = binaryReader.ReadBytes((int)mesh.IndexCount * (int)mesh.IndexSize);
uint materialDefinitionHash = model.Materials[(int)mesh.MaterialIndex].MaterialDefinitionHash;
MaterialDefinition materialDefinition = null;
MaterialDefinitionLibrary.Instance.MaterialDefinitions.TryGetValue(materialDefinitionHash, out materialDefinition);
string effectName = materialDefinition.DrawStyles[0].Effect;
return mesh;
}
private Mesh(Model model)
{
this.Model = model;
}
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();
}
private static void exportModelAsSTLToDirectory(Model model, string directory, ExportOptions options)
{
//NumberFormatInfo format = new NumberFormatInfo();
//format.NumberDecimalSeparator = ".";
//String path = directory + @"\" + Path.GetFileNameWithoutExtension(model.Name) + ".stl";
//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];
// for (Int32 j = 0; j < mesh.Indices.Length; j += 3)
// {
// Vector3 normal = Vector3.Zero;
// normal += mesh.Vertices[mesh.Indices[j + 0]].Normal;
// normal += mesh.Vertices[mesh.Indices[j + 1]].Normal;
// normal += mesh.Vertices[mesh.Indices[j + 2]].Normal;
// normal.Normalize();
// streamWriter.WriteLine("facet normal " + normal.X.ToString("E", format) + " " + normal.Y.ToString("E", format) + " " + normal.Z.ToString("E", format));
// streamWriter.WriteLine("outer loop");
// for (Int32 k = 0; k < 3; ++k)
// {
// Vector3 vertex = mesh.Vertices[mesh.Indices[j + k]].Position;
// streamWriter.WriteLine("vertex " + vertex.X.ToString("E", format) + " " + vertex.Y.ToString("E", format) + " " + vertex.Z.ToString("E", format));
// }
// streamWriter.WriteLine("endloop");
// streamWriter.WriteLine("endfacet");
// }
//}
//streamWriter.Close();
}
public ModelInstance(Model model)
{
this.Model = model;
}
public static Model LoadFromStream(string name, Stream stream)
{
BinaryReader binaryReader = new BinaryReader(stream);
//header
byte[] magic = binaryReader.ReadBytes(4);
if (magic[0] != 'D' ||
magic[1] != 'M' ||
magic[2] != 'O' ||
magic[3] != 'D')
{
return null;
}
Model model = new Model();
model.Version = binaryReader.ReadUInt32();
if (model.Version != 4)
return null;
uint modelHeaderOffset = binaryReader.ReadUInt32();
model.Name = name;
//textures & materials
model.TextureStrings = new List<string>();
model.Materials = new List<Material>();
Dma.Dma.LoadFromStream(binaryReader.BaseStream, model.TextureStrings, model.Materials);
//bounding box
Vector3 min = new Vector3();
min.X = binaryReader.ReadSingle();
min.Y = binaryReader.ReadSingle();
min.Z = binaryReader.ReadSingle();
model.Min = min;
Vector3 max = new Vector3();
max.X = binaryReader.ReadSingle();
max.Y = binaryReader.ReadSingle();
max.Z = binaryReader.ReadSingle();
model.Max = max;
//meshes
uint meshCount = binaryReader.ReadUInt32();
model.Meshes = new Mesh[meshCount];
for (int i = 0; i < meshCount; ++i)
{
Mesh mesh = Mesh.LoadFromStream(model, binaryReader.BaseStream);
if (mesh != null)
model.Meshes[i] = mesh;
}
//bone maps
uint boneMapCount = binaryReader.ReadUInt32();
model.BoneMaps = new BoneMap[boneMapCount];
for (int i = 0; i < boneMapCount; ++i)
{
BoneMap boneMap = BoneMap.LoadFromStream(binaryReader.BaseStream);
model.BoneMaps[i] = boneMap;
}
//bone map entries
uint boneMapEntryCount = binaryReader.ReadUInt32();
BoneMapEntry[] boneMapEntries = new BoneMapEntry[boneMapEntryCount];
for (int i = 0; i < boneMapEntryCount; ++i)
{
BoneMapEntry boneMapEntry = BoneMapEntry.LoadFromStream(binaryReader.BaseStream);
boneMapEntries[i] = boneMapEntry;
}
for (int i = 0; i < model.BoneMaps.Length; ++i)
{
uint end = 0;
if (model.BoneMaps[i].BoneCount > 0)
{
for (int j = 0; j < model.BoneMaps[i].BoneCount; ++j)
{
if (boneMapEntries[j].GlobalIndex + model.BoneMaps[i].Delta > end)
{
end = boneMapEntries[j].GlobalIndex + model.BoneMaps[i].Delta;
}
}
}
model.BoneMaps[i].BoneEnd = end;
}
uint boneCount = binaryReader.ReadUInt32();
model.Bones = new Matrix4[boneCount];
model.BonesMins = new Vector3[boneCount];
model.BonesMaxs = new Vector3[boneCount];
model.BoneHashes = new uint[boneCount];
if (boneCount > 0)
{
for (int i = 0; i < boneCount; ++i)
{
Matrix4 boneMatrix = Matrix4.Identity;
boneMatrix.M11 = binaryReader.ReadSingle();
boneMatrix.M12 = binaryReader.ReadSingle();
boneMatrix.M13 = binaryReader.ReadSingle();
boneMatrix.M21 = binaryReader.ReadSingle();
boneMatrix.M22 = binaryReader.ReadSingle();
boneMatrix.M23 = binaryReader.ReadSingle();
boneMatrix.M31 = binaryReader.ReadSingle();
boneMatrix.M32 = binaryReader.ReadSingle();
boneMatrix.M33 = binaryReader.ReadSingle();
boneMatrix.M41 = binaryReader.ReadSingle();
boneMatrix.M42 = binaryReader.ReadSingle();
boneMatrix.M43 = binaryReader.ReadSingle();
boneMatrix.Invert();
model.Bones[i] = boneMatrix;
}
//bones bounding box
for(int i = 0; i < boneCount; ++i)
{
Vector3 boneMin = new Vector3();
boneMin.X = binaryReader.ReadSingle();
boneMin.Y = binaryReader.ReadSingle();
boneMin.Z = binaryReader.ReadSingle();
model.BonesMins[i] = boneMin;
Vector3 boneMax = new Vector3();
boneMax.X = binaryReader.ReadSingle();
boneMax.Y = binaryReader.ReadSingle();
boneMax.Z = binaryReader.ReadSingle();
model.BonesMaxs[i] = boneMax;
}
//bone hashes
for (int i = 0; i < boneCount; ++i)
model.BoneHashes[i] = binaryReader.ReadUInt32();
}
return model;
}
public static Model LoadFromStream(String name, Stream stream)
{
BinaryReader binaryReader = new BinaryReader(stream);
//header
byte[] magic = binaryReader.ReadBytes(4);
if (magic[0] != 'D' ||
magic[1] != 'M' ||
magic[2] != 'O' ||
magic[3] != 'D')
{
return null;
}
Model model = new Model();
model.Version = binaryReader.ReadUInt32();
if (model.Version != 4)
{
return null;
}
UInt32 modelHeaderOffset = binaryReader.ReadUInt32();
model.Name = name;
//materials
model.TextureStrings = new List<String>();
model.Materials = new List<Material>();
Dma.Dma.LoadFromStream(binaryReader.BaseStream, model.TextureStrings, model.Materials);
//bounding box
model.min.X = binaryReader.ReadSingle();
model.min.Y = binaryReader.ReadSingle();
model.min.Z = binaryReader.ReadSingle();
model.max.X = binaryReader.ReadSingle();
model.max.Y = binaryReader.ReadSingle();
model.max.Z = binaryReader.ReadSingle();
//meshes
UInt32 meshCount = binaryReader.ReadUInt32();
model.Meshes = new Mesh[meshCount];
for (Int32 i = 0; i < meshCount; ++i)
{
Mesh mesh = Mesh.LoadFromStream(binaryReader.BaseStream, model.Materials);
if (mesh != null)
{
model.Meshes[i] = mesh;
}
}
//bone maps
UInt32 boneMapCount = binaryReader.ReadUInt32();
model.BoneMaps = new BoneMap[boneMapCount];
for (Int32 i = 0; i < boneMapCount; ++i)
{
BoneMap boneMap = BoneMap.LoadFromStream(binaryReader.BaseStream);
if (boneMap != null)
{
model.BoneMaps[i] = boneMap;
}
}
//bone map entries
UInt32 boneMapEntryCount = binaryReader.ReadUInt32();
BoneMapEntry[] boneMapEntries = new BoneMapEntry[boneMapEntryCount];
for (Int32 i = 0; i < boneMapEntryCount; ++i)
{
BoneMapEntry boneMapEntry = BoneMapEntry.LoadFromStream(binaryReader.BaseStream);
boneMapEntries[i] = boneMapEntry;
}
return model;
}
public ModelInstance(Model model)
{
Model = model;
}
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();
}