void ProcessMaterialChunk(ThreeDSChunk chunk)
{
string name = string.Empty;
Material m = new Material();
while (chunk.BytesRead < chunk.Length)
{
ThreeDSChunk child = new ThreeDSChunk(reader);
switch ((Groups)child.ID)
{
case Groups.C_MATNAME:
name = ProcessString(child);
Console.WriteLine("Material: {0}", name);
break;
case Groups.C_MATAMBIENT:
m.Ambient = ProcessColorChunk(child);
break;
case Groups.C_MATDIFFUSE:
m.Diffuse = ProcessColorChunk(child);
break;
case Groups.C_MATSPECULAR:
m.Specular = ProcessColorChunk(child);
break;
case Groups.C_MATSHININESS:
m.Shininess = ProcessPercentageChunk(child);
//Console.WriteLine ( "SHININESS: {0}", m.Shininess );
break;
case Groups.C_MAT_TRANSPARENCY:
m.Trans = 100 - ProcessPercentageChunk(child);
break;
case Groups.C_MATMAP:
ProcessPercentageChunk(child);
//SkipChunk ( child );
ProcessTexMapChunk(child, m);
break;
default:
SkipChunk(child);
break;
}
chunk.BytesRead += child.BytesRead;
}
materials.Add(name, m);
}
Entity ProcessObjectChunk(ThreeDSChunk chunk, Entity e)
{
while (chunk.BytesRead < chunk.Length)
{
ThreeDSChunk child = new ThreeDSChunk(this, reader);
#if LOG_CHUNKS
Logger.Log("ProcessObjectChunk: chunk = {0:X}, len = {1}", child.ID, chunk.Length);
#endif
switch (child.ID)
{
case Groups.C_OBJECT_MESH:
ProcessObjectChunk(child, e);
break;
case Groups.C_OBJECT_VERTICES:
e.vertices = ReadVertices(child);
break;
case Groups.C_OBJECT_FACES:
e.triangles = ReadTriangles(child);
#if LOG_FACES
Logger.Log("Object Faces: {0}", e.indices.Length);
#endif
if (child.BytesRead < child.Length)
{
ProcessFaceChunk(child, e);
}
break;
case Groups.C_OBJECT_UV:
int cnt = reader.ReadUInt16();
child.BytesRead += 2;
//Console.WriteLine ( " TexCoords: {0}", cnt );
e.texcoords = new TexCoord [cnt];
for (int ii = 0; ii < cnt; ii++)
{
e.texcoords [ii] = new TexCoord(reader.ReadSingle(), reader.ReadSingle());
}
child.BytesRead += (cnt * (4 * 2));
break;
default:
SkipChunk(child);
break;
}
chunk.BytesRead += child.BytesRead;
child.SkipToEnd(reader);
//Console.WriteLine ( " ID: {0} Length: {1} Read: {2}", chunk.ID.ToString("x"), chunk.Length , chunk.BytesRead );
}
return(e);
}
Vector[] ReadVertices(ThreeDSChunk chunk)
{
ushort numVerts = reader.ReadUInt16();
chunk.BytesRead += 2;
//Console.WriteLine ( " Vertices: {0}", numVerts );
Vector[] verts = new Vector[numVerts];
for (int ii = 0; ii < numVerts; ii++)
{
float f1 = reader.ReadSingle();
float f2 = reader.ReadSingle();
float f3 = reader.ReadSingle();
verts[ii] = new Vector(f1, f3, -f2);
//Console.WriteLine ( verts [ii] );
}
//Console.WriteLine ( "{0} {1}", verts.Length * ( 3 * 4 ), chunk.Length - chunk.BytesRead );
chunk.BytesRead += verts.Length * (3 * 4);
//chunk.BytesRead = (int) chunk.Length;
//SkipChunk ( chunk );
return(verts);
}
void SkipChunk(ThreeDSChunk chunk)
{
int length = (int)chunk.Length - chunk.BytesRead;
reader.ReadBytes(length);
chunk.BytesRead += length;
}
float[] ProcessColorChunk(ThreeDSChunk chunk)
{
ThreeDSChunk child = new ThreeDSChunk(this, reader);
float red = 1.0f;
float green = 1.0f;
float blue = 1.0f;
switch (child.ID)
{
// Each color component is represented by a single-precision floating point number.
case Groups.C_COLOR_F:
red = reader.ReadSingle();
green = reader.ReadSingle();
blue = reader.ReadSingle();
break;
// Each color component is represented by a byte.
case Groups.C_COLOR_24:
red = (float)reader.ReadByte() / 255.0f;
green = (float)reader.ReadByte() / 255.0f;
blue = (float)reader.ReadByte() / 255.0f;
break;
}
// Logger.Log("ProcessColorChunk: color = ({0},{1},{2}) len = {3}", red, green, blue, child.Length);
chunk.BytesRead += (int)child.Length;
child.SkipToEnd(reader);
return(new float[] { red, green, blue });
}
void ProcessChunk(ThreeDSChunk chunk)
{
// process chunks until there are none left
while (chunk.BytesRead < chunk.Length)
{
// grab a chunk
ThreeDSChunk child = new ThreeDSChunk(reader);
// process based on ID
switch ((Groups)child.ID)
{
case Groups.C_VERSION:
version = reader.ReadInt32();
child.BytesRead += 4;
break;
case Groups.C_OBJECTINFO:
// not sure whats up with this chunk
//SkipChunk ( obj_chunk );
//child.BytesRead += obj_chunk.BytesRead;
//ProcessChunk ( child );
// blender 3ds export (others?) uses this
// in the hierarchy of objects and materials
// so lets process the next (child) chunk
break;
case Groups.C_MATERIAL:
ProcessMaterialChunk(child);
break;
case Groups.C_OBJECT:
// string name =
ProcessString(child);
Entity e = ProcessObjectChunk(child);
e.CalculateNormals();
model.Entities.Add(e);
break;
default:
SkipChunk(child);
break;
}
chunk.BytesRead += child.BytesRead;
//Console.WriteLine ( "ID: {0} Length: {1} Read: {2}", chunk.ID.ToString("x"), chunk.Length , chunk.BytesRead );
}
}
Entity ProcessFaceChunk(ThreeDSChunk chunk, Entity e)
{
while (chunk.BytesRead < chunk.Length)
{
ThreeDSChunk child = new ThreeDSChunk(this, reader);
#if LOG_CHUNKS
Logger.Log("ProcessFaceChunk: chunk = {0:X}, len = {1}", child.ID, chunk.Length);
#endif
switch (child.ID)
{
case Groups.C_OBJECT_MATERIAL:
string materialName = ProcessString(child);
#if LOG_FACES
Logger.Log("Uses Material: {0}", materialName);
#endif
Material material = null;
if (materials.TryGetValue(materialName, out material))
{
e.material = material;
}
#if LOG_MATERIAL
else
{
Logger.Log(" Warning: Material '{0}' not found. ", materialName);
}
#endif
//Console.WriteLine(" Warning: Material '{0}' not found. ", name2);
//throw new Exception ( "Material not found!" );
int nfaces = reader.ReadUInt16();
child.BytesRead += 2;
#if LOG_FACES
Logger.Log("ProcessFaceChunk: {0} material faces", nfaces);
#endif
for (int i = 0; i < nfaces; i++)
{
int faceIndex = reader.ReadUInt16();
e.triangles[faceIndex].material = (material ?? Triangle.defaultMaterial);
child.BytesRead += 2;
}
SkipChunk(child);
break;
default:
SkipChunk(child);
break;
}
chunk.BytesRead += child.BytesRead;
child.SkipToEnd(reader);
//Console.WriteLine ( " ID: {0} Length: {1} Read: {2}", chunk.ID.ToString("x"), chunk.Length , chunk.BytesRead );
}
return(e);
}
void ProcessChunk(ThreeDSChunk chunk)
{
while (chunk.BytesRead < chunk.Length)
{
ThreeDSChunk child = new ThreeDSChunk(reader);
switch ((Groups)child.ID)
{
case Groups.C_VERSION:
int version = reader.ReadInt32();
child.BytesRead += 4;
Console.WriteLine("3DS File Version: {0}", version);
break;
case Groups.C_OBJECTINFO:
ThreeDSChunk obj_chunk = new ThreeDSChunk(reader);
// not sure whats up with this chunk
SkipChunk(obj_chunk);
child.BytesRead += obj_chunk.BytesRead;
ProcessChunk(child);
break;
case Groups.C_MATERIAL:
ProcessMaterialChunk(child);
//SkipChunk ( child );
break;
case Groups.C_OBJECT:
//SkipChunk ( child );
string name = ProcessString(child);
Console.WriteLine("OBJECT NAME: {0}", name);
Object3d e = ProcessObjectChunk(child);
//e.CalculateNormals();
e.Update();
models.Add(e);
break;
default:
SkipChunk(child);
break;
}
chunk.BytesRead += child.BytesRead;
//Console.WriteLine ( "ID: {0} Length: {1} Read: {2}", chunk.ID.ToString("x"), chunk.Length , chunk.BytesRead );
}
}
float[] ProcessColorChunk(ThreeDSChunk chunk)
{
ThreeDSChunk child = new ThreeDSChunk(reader);
float[] c = new float[] { (float)reader.ReadByte() / 256, (float)reader.ReadByte() / 256, (float)reader.ReadByte() / 256 };
//Console.WriteLine ( "R {0} G {1} B {2}", c.R, c.B, c.G );
chunk.BytesRead += (int)child.Length;
return(c);
}
int ProcessPercentageChunk(ThreeDSChunk chunk)
{
ThreeDSChunk child = new ThreeDSChunk(reader);
int per = reader.ReadUInt16();
child.BytesRead += 2;
chunk.BytesRead += child.BytesRead;
return(per);
}
void ProcessMaterialChunk(ThreeDSChunk chunk)
{
string name = string.Empty;
ThreeDSMaterial m = new ThreeDSMaterial();
while (chunk.BytesRead < chunk.Length)
{
ThreeDSChunk child = new ThreeDSChunk(reader);
switch ((ThreeDSChunkType)child.ID)
{
case ThreeDSChunkType.MaterialName:
name = ProcessString(child);
Console.WriteLine("Material: {0}", name);
break;
case ThreeDSChunkType.AmbientColor:
m.Ambient = ProcessColorChunk(child);
break;
case ThreeDSChunkType.DiffuseColor:
m.Diffuse = ProcessColorChunk(child);
break;
case ThreeDSChunkType.SpecularColor:
m.Specular = ProcessColorChunk(child);
break;
case ThreeDSChunkType.C_MATSHININESS:
m.Shininess = ProcessPercentageChunk(child);
//Console.WriteLine ( "SHININESS: {0}", m.Shininess );
break;
case ThreeDSChunkType.TextureMap:
ProcessPercentageChunk(child);
//SkipChunk ( child );
ProcessTexMapChunk(child, m);
break;
default:
SkipChunk(child);
break;
}
chunk.BytesRead += child.BytesRead;
}
materials.Add(name, m);
}
void ProcessChunk(ThreeDSChunk chunk)
{
while (chunk.BytesRead < chunk.Length)
{
ThreeDSChunk child = new ThreeDSChunk(reader);
switch ((ThreeDSChunkType)child.ID)
{
case ThreeDSChunkType.CVersion:
int version = reader.ReadInt32();
child.BytesRead += 4;
Console.WriteLine("3DS File Version: {0}", version);
break;
case ThreeDSChunkType._3DEditorChunk:
ThreeDSChunk obj_chunk = new ThreeDSChunk(reader);
// not sure whats up with this chunk
SkipChunk(obj_chunk);
child.BytesRead += obj_chunk.BytesRead;
ProcessChunk(child);
break;
case ThreeDSChunkType.EditorMaterial:
ProcessMaterialChunk(child);
//SkipChunk ( child );
break;
case ThreeDSChunkType.ObjectBlock:
//SkipChunk ( child );
string name = ProcessString(child);
Console.WriteLine("OBJECT NAME: {0}", name);
ThreeDSMesh e = ProcessObjectChunk(child);
e.CalculateNormals();
model.Entities.Add(e);
break;
default:
SkipChunk(child);
break;
}
chunk.BytesRead += child.BytesRead;
//Console.WriteLine ( "ID: {0} Length: {1} Read: {2}", chunk.ID.ToString("x"), chunk.Length , chunk.BytesRead );
}
}
Vector[] ReadVertices(ThreeDSChunk chunk)
{
ushort numVerts = reader.ReadUInt16();
chunk.BytesRead += 2;
Console.WriteLine(" Vertices: {0}", numVerts);
Vector[] verts = new Vector[numVerts];
for (int ii = 0; ii < verts.Length; ii++)
{
float f1 = reader.ReadSingle();
float f2 = reader.ReadSingle();
float f3 = reader.ReadSingle();
Vector v = new Vector(f1, f3, -f2);
// track the boundaries of this model
if (v.X > maxX)
{
maxX = v.X;
}
if (v.Y > maxY)
{
maxY = v.Y;
}
if (v.Z > maxZ)
{
maxZ = v.Z;
}
if (v.X < minX)
{
minX = v.X;
}
if (v.Y < minY)
{
minY = v.Y;
}
if (v.Z < minZ)
{
minZ = v.Z;
}
verts[ii] = v;
//Console.WriteLine ( verts [ii] );
}
//Console.WriteLine ( "{0} {1}", verts.Length * ( 3 * 4 ), chunk.Length - chunk.BytesRead );
chunk.BytesRead += verts.Length * (3 * 4);
//chunk.BytesRead = (int) chunk.Length;
//SkipChunk ( chunk );
return(verts);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="file_name">
/// A <see cref="System.String"/>. The path to the 3ds file
/// </param>
public ThreeDSFile(string file_name)
{
if (string.IsNullOrEmpty(file_name))
{
throw new ArgumentNullException("file_name");
}
if (!File.Exists(file_name))
{
throw new ArgumentException("3ds file could not be found", "file_name");
}
// 3ds models can use additional files which are expected in the same directory
base_dir = new FileInfo(file_name).DirectoryName + "/";
maxX = maxY = maxZ = double.MinValue;
minX = minY = minZ = double.MaxValue;
FileStream file = null;
try
{
// create a binary stream from this file
file = new FileStream(file_name, FileMode.Open, FileAccess.Read);
reader = new BinaryReader(file);
reader.BaseStream.Seek(0, SeekOrigin.Begin);
// 3ds files are in chunks
// read the first one
ThreeDSChunk chunk = new ThreeDSChunk(reader);
if (chunk.ID != (short)Groups.C_PRIMARY)
{
throw new FormatException("Not a proper 3DS file.");
}
// recursively process chunks
ProcessChunk(chunk);
}
finally
{
// close up everything
if (reader != null)
{
reader.Close();
}
if (file != null)
{
file.Close();
}
}
}
public void LoadModel(Stream stream)
{
Contract.Requires(stream != null);
/*
* if (string.IsNullOrEmpty(file_name))
* {
* throw new ArgumentNullException("file_name");
* }
*
* if (!File.Exists(file_name))
* {
* throw new ArgumentException("3ds file could not be found", "file_name");
* }
*
* // 3ds models can use additional files which are expected in the same directory
* base_dir = new FileInfo ( file_name ).DirectoryName + "/";
*/
// FileStream file = null;
try
{
// create a binary stream from this file
// file = new FileStream(file_name, FileMode.Open, FileAccess.Read);
// reader = new BinaryReader ( file );
reader = new BinaryReader(stream);
// reader.BaseStream.Seek (0, SeekOrigin.Begin);
// 3ds files are in chunks
// read the first one
ThreeDSChunk chunk = new ThreeDSChunk(this, reader);
#if LOG_CHUNKS
Logger.Log("ThreeDSFile: first chunk = {0:X}, len = {1}", chunk.ID, chunk.Length);
#endif
if (chunk.ID != Groups.C_PRIMARY)
{
throw new FormatException("Not a proper 3DS file.");
}
// Don't skip to the end of this chunk, as it contains the entire file/model.
// recursively process chunks
ProcessChunk(chunk);
}
finally
{
// close up everything
// if (reader != null) reader.Close ();
// if (file != null) file.Close ();
}
}
void ProcessTexMapChunk(ThreeDSChunk chunk, Material m)
{
while (chunk.BytesRead < chunk.Length)
{
ThreeDSChunk child = new ThreeDSChunk(reader);
switch ((Groups)child.ID)
{
case Groups.C_MATMAPFILE:
string name = ProcessString(child);
Console.WriteLine(" Texture File: {0}", name);
/*
* Bitmap bmp;
* try
* {
* bmp = new Bitmap(base_dir + name);
* }
* catch (Exception e)
* {
* // couldn't find the file
* Console.WriteLine(" ERROR: could not load file '{0}'", base_dir + name);
* break;
* }
*
* // Flip image (needed so texture are the correct way around!)
* bmp.RotateFlip(RotateFlipType.RotateNoneFlipY);
*
* System.Drawing.Imaging.BitmapData imgData = bmp.LockBits(new Rectangle(new Point(0, 0), bmp.Size),
* System.Drawing.Imaging.ImageLockMode.ReadOnly,
* System.Drawing.Imaging.PixelFormat.Format32bppArgb);
* // System.Drawing.Imaging.PixelFormat.Format24bppRgb );
*
* m.BindTexture(imgData.Width, imgData.Height, imgData.Scan0);
*
* bmp.UnlockBits(imgData);
* bmp.Dispose();
*/
break;
default:
SkipChunk(child);
break;
}
chunk.BytesRead += child.BytesRead;
}
}
void SkipChunk(ThreeDSChunk chunk)
{
int length = (int)chunk.Length - chunk.BytesRead;
#if LOG_CHUNKS
Logger.Log("SkipChunk: len = {0}, bytesRead = {1}", chunk.Length, chunk.BytesRead);
#endif
reader.BaseStream.Seek(length, SeekOrigin.Current);
// reader.ReadBytes(length);
chunk.BytesRead += length;
// ModelLoadProgressEvent(this, new ProgressChangedEventArgs(reader.BaseStream.Position * 100.0 / reader.BaseStream.Length));
}
void SkipChunk(ThreeDSChunk chunk, int maxSkip = -1)
{
int length = (int)chunk.Length - chunk.BytesRead;
if (maxSkip != -1)
{
if (length > maxSkip)//Something wrong about 3ds file may happen here.
{
length = maxSkip;
}
}
//reader.ReadBytes(length);
reader.BaseStream.Position += length;
chunk.BytesRead += length;
}
Triangle[] ReadIndices(ThreeDSChunk chunk)
{
ushort numIdcs = reader.ReadUInt16();
chunk.BytesRead += 2;
Console.WriteLine(" Indices: {0}", numIdcs);
Triangle[] idcs = new Triangle[numIdcs];
for (int ii = 0; ii < idcs.Length; ii++)
{
idcs[ii] = new Triangle(reader.ReadUInt16(), reader.ReadUInt16(), reader.ReadUInt16());
// flags
reader.ReadUInt16();
}
chunk.BytesRead += (2 * 4) * idcs.Length;
return(idcs);
}
string ProcessString(ThreeDSChunk chunk)
{
StringBuilder sb = new StringBuilder();
byte b = reader.ReadByte();
int idx = 0;
while (b != 0)
{
sb.Append((char)b);
b = reader.ReadByte();
idx++;
}
chunk.BytesRead += idx + 1;
return(sb.ToString());
}
public ThreeDSFile(string file_name)
{
base_dir = new FileInfo(file_name).DirectoryName + "/";
FileStream file;
file = new FileStream(file_name, FileMode.Open, FileAccess.Read);
reader = new BinaryReader(file);
reader.BaseStream.Seek(0, SeekOrigin.Begin);
ThreeDSChunk chunk = new ThreeDSChunk(reader);
if (chunk.ID != (short)Groups.C_PRIMARY)
throw new ApplicationException("Not a proper 3DS file.");
ProcessChunk(chunk);
reader.Close();
file.Close();
}
ArrayList ReadVertices(ThreeDSChunk chunk)
{
ushort numVerts = reader.ReadUInt16();
chunk.BytesRead += 2;
Console.WriteLine(" Vertices: {0}", numVerts);
ArrayList lst = new ArrayList();
for (int ii = 0; ii < numVerts; ii++)
{
float f1 = reader.ReadSingle();
float f2 = reader.ReadSingle();
float f3 = reader.ReadSingle();
Point3d pnt = new Point3d(f1, f2, f3, 1.0);
lst.Add(pnt);
}
chunk.BytesRead += lst.Count * (3 * 4);
return(lst);
}
public ThreeDSFile(string file_name)
{
base_dir = new FileInfo(file_name).DirectoryName + "/";
FileStream file;
file = new FileStream(file_name, FileMode.Open, FileAccess.Read);
reader = new BinaryReader(file);
reader.BaseStream.Seek(0, SeekOrigin.Begin);
ThreeDSChunk chunk = new ThreeDSChunk(reader);
if (chunk.ID != (short)Groups.C_PRIMARY)
{
throw new ApplicationException("Not a proper 3DS file.");
}
ProcessChunk(chunk);
reader.Close();
file.Close();
}
void ProcessTexMapChunk(ThreeDSChunk chunk, Material m)
{
while (chunk.BytesRead < chunk.Length)
{
ThreeDSChunk child = new ThreeDSChunk(reader);
switch ((Groups)child.ID)
{
case Groups.C_MATMAPFILE:
string name = ProcessString(child);
Console.WriteLine(" Texture File: {0}", name);
break;
default:
SkipChunk(child);
break;
}
chunk.BytesRead += child.BytesRead;
}
}
Triangle[] ReadTriangles(ThreeDSChunk chunk)
{
ushort numTris = reader.ReadUInt16();
chunk.BytesRead += 2;
//Console.WriteLine ( " Triangles: {0}", numTris );
Triangle[] tris = new Triangle[numTris];
for (int ii = 0; ii < numTris; ii++)
{
tris [ii] = new Triangle(reader.ReadUInt16(), reader.ReadUInt16(), reader.ReadUInt16());
//Console.WriteLine ( idcs [ii] );
// flags
reader.ReadUInt16();
}
chunk.BytesRead += (2 * 4) * tris.Length;
//Console.WriteLine ( "b {0} l {1}", chunk.BytesRead, chunk.Length);
//chunk.BytesRead = (int) chunk.Length;
//SkipChunk ( chunk );
return(tris);
}
void ProcessMaterialChunk(ThreeDSChunk chunk)
{
string name = string.Empty;
Material m = new Material();
while (chunk.BytesRead < chunk.Length)
{
ThreeDSChunk child = new ThreeDSChunk(this, reader);
#if LOG_CHUNKS
Logger.Log("ProcessMaterialChunk: chunk = {0:X}, len = {1}", child.ID, chunk.Length);
#endif
switch (child.ID)
{
case Groups.C_MATNAME:
name = ProcessString(child);
#if LOG_MATERIAL
Logger.Log("Material name: {0}", name);
#endif
break;
case Groups.C_MATAMBIENT:
m.Ambient = ProcessColorChunk(child);
#if LOG_MATERIAL
Logger.Log("Material ambient color: ({0},{1},{2})", m.Ambient[0], m.Ambient[1], m.Ambient[2]);
#endif
break;
case Groups.C_MATDIFFUSE:
m.Diffuse = ProcessColorChunk(child);
#if LOG_MATERIAL
Logger.Log("Material diffuse color: ({0},{1},{2})", m.Diffuse[0], m.Diffuse[1], m.Diffuse[2]);
#endif
break;
case Groups.C_MATSPECULAR:
m.Specular = ProcessColorChunk(child);
#if LOG_MATERIAL
Logger.Log("Material specular color: ({0},{1},{2})", m.Specular[0], m.Specular[1], m.Specular[2]);
#endif
break;
case Groups.C_MATSHININESS:
m.Shininess = ProcessPercentageChunk(child);
#if LOG_MATERIAL
Logger.Log("Material shininess: {0}", m.Shininess);
#endif
break;
case Groups.C_MATMAP:
ProcessPercentageChunk(child);
ProcessTexMapChunk(child, m);
break;
default:
SkipChunk(child);
break;
}
chunk.BytesRead += child.BytesRead;
child.SkipToEnd(reader);
}
// Don't add materials with duplicate names
if (!materials.ContainsKey(name))
{
materials.Add(name, m);
}
}
Object3d ProcessObjectChunk(ThreeDSChunk chunk, Object3d e)
{
while (chunk.BytesRead < chunk.Length)
{
ThreeDSChunk child = new ThreeDSChunk(reader);
switch ((Groups)child.ID)
{
case Groups.C_OBJECT_MESH:
ProcessObjectChunk(child, e);
break;
case Groups.C_OBJECT_VERTICES:
//e.vertices = ReadVertices(child);
e.m_lstpoints = ReadVertices(child);
break;
case Groups.C_OBJECT_FACES:
//e.indices =
Triangle []tris = ReadIndices(child);
foreach (Triangle t in tris)
{
Polygon p = new Polygon();
p.m_points = new Point3d[3];
p.m_points[0] = (Point3d)e.m_lstpoints[t.vertex1];
p.m_points[1] = (Point3d)e.m_lstpoints[t.vertex2];
p.m_points[2] = (Point3d)e.m_lstpoints[t.vertex3];
e.m_lstpolys.Add(p);
}
e.Update();
if (child.BytesRead < child.Length)
ProcessObjectChunk(child, e);
break;
case Groups.C_OBJECT_MATERIAL:
string name2 = ProcessString(child);
Console.WriteLine(" Uses Material: {0}", name2);
Material mat;
if (materials.TryGetValue(name2, out mat))
e.material = mat;
else
Console.WriteLine(" Warning: Material '{0}' not found. ", name2);
SkipChunk(child);
break;
case Groups.C_OBJECT_UV:
int cnt = reader.ReadUInt16();
child.BytesRead += 2;
Console.WriteLine(" TexCoords: {0}", cnt);
//e.texcoords = new TexCoord[cnt];
//TexCoord tc = new TexCoord();
for (int ii = 0; ii < cnt; ii++)
{
//should add this to a list somewhere
TexCoord tc = new TexCoord(reader.ReadSingle(), reader.ReadSingle());
}
child.BytesRead += (cnt * (4 * 2));
break;
default:
SkipChunk(child);
break;
}
chunk.BytesRead += child.BytesRead;
//Console.WriteLine ( " ID: {0} Length: {1} Read: {2}", chunk.ID.ToString("x"), chunk.Length , chunk.BytesRead );
}
return e;
}
Object3d ProcessObjectChunk(ThreeDSChunk chunk, Object3d e)
{
while (chunk.BytesRead < chunk.Length)
{
ThreeDSChunk child = new ThreeDSChunk(reader);
switch ((Groups)child.ID)
{
case Groups.C_OBJECT_MESH:
ProcessObjectChunk(child, e);
break;
case Groups.C_OBJECT_VERTICES:
//e.vertices = ReadVertices(child);
e.m_lstpoints = ReadVertices(child);
break;
case Groups.C_OBJECT_FACES:
//e.indices =
Triangle [] tris = ReadIndices(child);
foreach (Triangle t in tris)
{
Polygon p = new Polygon();
p.m_points = new Point3d[3];
p.m_points[0] = (Point3d)e.m_lstpoints[t.vertex1];
p.m_points[1] = (Point3d)e.m_lstpoints[t.vertex2];
p.m_points[2] = (Point3d)e.m_lstpoints[t.vertex3];
e.m_lstpolys.Add(p);
}
e.Update();
if (child.BytesRead < child.Length)
{
ProcessObjectChunk(child, e);
}
break;
case Groups.C_OBJECT_MATERIAL:
string name2 = ProcessString(child);
Console.WriteLine(" Uses Material: {0}", name2);
Material mat;
if (materials.TryGetValue(name2, out mat))
{
e.material = mat;
}
else
{
Console.WriteLine(" Warning: Material '{0}' not found. ", name2);
}
SkipChunk(child);
break;
case Groups.C_OBJECT_UV:
int cnt = reader.ReadUInt16();
child.BytesRead += 2;
Console.WriteLine(" TexCoords: {0}", cnt);
//e.texcoords = new TexCoord[cnt];
//TexCoord tc = new TexCoord();
for (int ii = 0; ii < cnt; ii++)
{
//should add this to a list somewhere
TexCoord tc = new TexCoord(reader.ReadSingle(), reader.ReadSingle());
}
child.BytesRead += (cnt * (4 * 2));
break;
default:
SkipChunk(child);
break;
}
chunk.BytesRead += child.BytesRead;
//Console.WriteLine ( " ID: {0} Length: {1} Read: {2}", chunk.ID.ToString("x"), chunk.Length , chunk.BytesRead );
}
return(e);
}
void ProcessMaterialChunk(ThreeDSChunk chunk)
{
string name = string.Empty;
ThreeDSMaterial m = new ThreeDSMaterial();
while (chunk.BytesRead < chunk.Length)
{
ThreeDSChunk child = new ThreeDSChunk(reader);
switch ((ThreeDSChunkType)child.ID)
{
case ThreeDSChunkType.MaterialName:
name = ProcessString(child);
Console.WriteLine("Material: {0}", name);
break;
case ThreeDSChunkType.AmbientColor:
m.Ambient = ProcessColorChunk(child);
break;
case ThreeDSChunkType.DiffuseColor:
m.Diffuse = ProcessColorChunk(child);
break;
case ThreeDSChunkType.SpecularColor:
m.Specular = ProcessColorChunk(child);
break;
case ThreeDSChunkType.C_MATSHININESS:
m.Shininess = ProcessPercentageChunk(child);
//Console.WriteLine ( "SHININESS: {0}", m.Shininess );
break;
case ThreeDSChunkType.TextureMap:
ProcessPercentageChunk(child);
//SkipChunk ( child );
ProcessTexMapChunk(child, m);
break;
default:
SkipChunk(child);
break;
}
chunk.BytesRead += child.BytesRead;
}
materials.Add(name, m);
}
void ProcessTexMapChunk(ThreeDSChunk chunk, Material m)
{
while (chunk.BytesRead < chunk.Length)
{
ThreeDSChunk child = new ThreeDSChunk(reader);
switch ((Groups)child.ID)
{
case Groups.C_MATMAPFILE:
string name = ProcessString(child);
Console.WriteLine(" Texture File: {0}", name);
/*
Bitmap bmp;
try
{
bmp = new Bitmap(base_dir + name);
}
catch (Exception e)
{
// couldn't find the file
Console.WriteLine(" ERROR: could not load file '{0}'", base_dir + name);
break;
}
// Flip image (needed so texture are the correct way around!)
bmp.RotateFlip(RotateFlipType.RotateNoneFlipY);
System.Drawing.Imaging.BitmapData imgData = bmp.LockBits(new Rectangle(new Point(0, 0), bmp.Size),
System.Drawing.Imaging.ImageLockMode.ReadOnly,
System.Drawing.Imaging.PixelFormat.Format32bppArgb);
// System.Drawing.Imaging.PixelFormat.Format24bppRgb );
m.BindTexture(imgData.Width, imgData.Height, imgData.Scan0);
bmp.UnlockBits(imgData);
bmp.Dispose();
*/
break;
default:
SkipChunk(child);
break;
}
chunk.BytesRead += child.BytesRead;
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="file_name">
/// A <see cref="System.String"/>. The path to the 3ds file
/// </param>
public ThreeDSFile( string file_name )
{
if (string.IsNullOrEmpty(file_name))
{
throw new ArgumentNullException("file_name");
}
if (!File.Exists(file_name))
{
throw new ArgumentException("3ds file could not be found", "file_name");
}
// 3ds models can use additional files which are expected in the same directory
base_dir = new FileInfo ( file_name ).DirectoryName + "/";
maxX = maxY = maxZ = double.MinValue;
minX = minY = minZ = double.MaxValue;
FileStream file = null;
try
{
// create a binary stream from this file
file = new FileStream(file_name, FileMode.Open, FileAccess.Read);
reader = new BinaryReader ( file );
reader.BaseStream.Seek (0, SeekOrigin.Begin);
// 3ds files are in chunks
// read the first one
ThreeDSChunk chunk = new ThreeDSChunk ( reader );
if ( chunk.ID != (short) Groups.C_PRIMARY )
{
throw new FormatException ( "Not a proper 3DS file." );
}
// recursively process chunks
ProcessChunk ( chunk );
}
finally
{
// close up everything
if (reader != null) reader.Close ();
if (file != null) file.Close ();
}
}
Vector[] ReadVertices( ThreeDSChunk chunk )
{
ushort numVerts = reader.ReadUInt16 ();
chunk.BytesRead += 2;
Console.WriteLine ( " Vertices: {0}", numVerts );
Vector[] verts = new Vector[numVerts];
for ( int ii=0; ii < verts.Length ; ii++ )
{
float f1 = reader.ReadSingle();
float f2 = reader.ReadSingle();
float f3 = reader.ReadSingle();
Vector v = new Vector ( f1, f3, -f2 );
// track the boundaries of this model
if (v.X > maxX) maxX = v.X;
if (v.Y > maxY) maxY = v.Y;
if (v.Z > maxZ) maxZ = v.Z;
if (v.X < minX) minX = v.X;
if (v.Y < minY) minY = v.Y;
if (v.Z < minZ) minZ = v.Z;
verts[ii] = v;
//Console.WriteLine ( verts [ii] );
}
//Console.WriteLine ( "{0} {1}", verts.Length * ( 3 * 4 ), chunk.Length - chunk.BytesRead );
chunk.BytesRead += verts.Length * ( 3 * 4 ) ;
//chunk.BytesRead = (int) chunk.Length;
//SkipChunk ( chunk );
return verts;
}
void SkipChunk(ThreeDSChunk chunk, int maxSkip = -1)
{
int length = (int)chunk.Length - chunk.BytesRead;
if (maxSkip != -1)
{
if (length > maxSkip)//Something wrong about 3ds file may happen here.
{
length = maxSkip;
}
}
//reader.ReadBytes(length);
reader.BaseStream.Position += length;
chunk.BytesRead += length;
}
void ProcessChunk(ThreeDSChunk chunk)
{
// process chunks until there are none left
while (chunk.BytesRead < chunk.Length)
{
// grab a chunk
ThreeDSChunk child = new ThreeDSChunk(this, reader);
#if LOG_CHUNKS
Logger.Log("ProcessChunk: chunk = {0:X}, len = {1}", child.ID, chunk.Length);
#endif
// process based on ID
switch (child.ID)
{
case Groups.C_VERSION:
version = reader.ReadInt32();
child.BytesRead += 4;
break;
case Groups.C_OBJECTINFO:
ThreeDSChunk obj_chunk = new ThreeDSChunk(this, reader);
// not sure whats up with this chunk
SkipChunk(obj_chunk);
child.BytesRead += obj_chunk.BytesRead;
ProcessChunk(child);
break;
case Groups.C_MATERIAL:
ProcessMaterialChunk(child);
break;
case Groups.C_OBJECT:
// string name =
ProcessString(child);
Entity e = ProcessObjectChunk(child);
if (e.vertices != null && e.triangles != null)
{
e.CalculateNormals();
model.Entities.Add(e);
}
break;
default:
SkipChunk(child);
break;
}
chunk.BytesRead += child.BytesRead;
// Don't skip to the end of certain chunks, as they contain the entire file/model.
if (child.ID != Groups.C_VERSION)
{
// Skip to the end of this chunk.
child.SkipToEnd(reader);
}
//Console.WriteLine ( "ID: {0} Length: {1} Read: {2}", chunk.ID.ToString("x"), chunk.Length , chunk.BytesRead );
}
}
Vector[] ReadVertices(ThreeDSChunk chunk)
{
ushort numVerts = reader.ReadUInt16();
chunk.BytesRead += 2;
Console.WriteLine(" Vertices: {0}", numVerts);
Vector[] verts = new Vector[numVerts];
for (int ii = 0; ii < verts.Length; ii++)
{
float f1 = reader.ReadSingle();
float f2 = reader.ReadSingle();
float f3 = reader.ReadSingle();
verts[ii] = new Vector(f1, f3, -f2);
//Console.WriteLine ( verts [ii] );
}
//Console.WriteLine ( "{0} {1}", verts.Length * ( 3 * 4 ), chunk.Length - chunk.BytesRead );
chunk.BytesRead += verts.Length * (3 * 4);
//chunk.BytesRead = (int) chunk.Length;
//SkipChunk ( chunk );
return verts;
}
Entity ProcessObjectChunk(ThreeDSChunk chunk)
{
return(ProcessObjectChunk(chunk, new Entity()));
}
void ProcessTexMapChunk( ThreeDSChunk chunk, Material m )
{
while ( chunk.BytesRead < chunk.Length )
{
ThreeDSChunk child = new ThreeDSChunk ( reader );
switch ((Groups) child.ID)
{
case Groups.C_MATMAPFILE:
string name = ProcessString ( child );
//Console.WriteLine ( " Texture File: {0}", name );
// use System.Drawing to try and load this image
//FileStream fStream;
Bitmap bmp;
try
{
//fStream = new FileStream(base_dir + name, FileMode.Open, FileAccess.Read);
bmp = new Bitmap ( base_dir + name );
}
catch ( Exception ex )
{
// couldn't find the file
Console.WriteLine ( " ERROR: could not load file '{0}': {1}", base_dir + name, ex.Message );
break;
}
// Flip image (needed so texture is the correct way around!)
bmp.RotateFlip(RotateFlipType.RotateNoneFlipY);
System.Drawing.Imaging.BitmapData imgData = bmp.LockBits ( new Rectangle(new Point(0, 0), bmp.Size),
System.Drawing.Imaging.ImageLockMode.ReadOnly,
System.Drawing.Imaging.PixelFormat.Format32bppArgb);
// System.Drawing.Imaging.PixelFormat.Format24bppRgb );
m.BindTexture ( imgData.Width, imgData.Height, imgData.Scan0 );
bmp.UnlockBits(imgData);
bmp.Dispose();
/*
BinaryReader br = new BinaryReader(fStream);
br.ReadBytes ( 14 ); // skip file header
uint offset = br.ReadUInt32 ( );
//br.ReadBytes ( 4 ); // skip image header
uint biWidth = br.ReadUInt32 ();
uint biHeight = br.ReadUInt32 ();
Console.WriteLine ( "w {0} h {1}", biWidth, biHeight );
br.ReadBytes ( (int) offset - 12 ); // skip rest of image header
byte[,,] tex = new byte [ biHeight , biWidth , 4 ];
for ( int ii=0 ; ii < biHeight ; ii++ )
{
for ( int jj=0 ; jj < biWidth ; jj++ )
{
tex [ ii, jj, 0 ] = br.ReadByte();
tex [ ii, jj, 1 ] = br.ReadByte();
tex [ ii, jj, 2 ] = br.ReadByte();
tex [ ii, jj, 3 ] = 255;
//Console.Write ( ii + " " );
}
}
br.Close();
fStream.Close();
m.BindTexture ( (int) biWidth, (int) biHeight, tex );
*/
break;
default:
SkipChunk ( child );
break;
}
chunk.BytesRead += child.BytesRead;
}
}
void ProcessChunk( ThreeDSChunk chunk )
{
// process chunks until there are none left
while ( chunk.BytesRead < chunk.Length )
{
// grab a chunk
ThreeDSChunk child = new ThreeDSChunk ( reader );
// process based on ID
switch ((Groups) child.ID)
{
case Groups.C_VERSION:
version = reader.ReadInt32 ();
child.BytesRead += 4;
break;
case Groups.C_OBJECTINFO:
// not sure whats up with this chunk
//SkipChunk ( obj_chunk );
//child.BytesRead += obj_chunk.BytesRead;
//ProcessChunk ( child );
// blender 3ds export (others?) uses this
// in the hierarchy of objects and materials
// so lets process the next (child) chunk
break;
case Groups.C_MATERIAL:
ProcessMaterialChunk ( child );
break;
case Groups.C_OBJECT:
// string name =
ProcessString ( child );
Entity e = ProcessObjectChunk ( child );
e.CalculateNormals ();
model.Entities.Add ( e );
break;
default:
SkipChunk ( child );
break;
}
chunk.BytesRead += child.BytesRead;
//Console.WriteLine ( "ID: {0} Length: {1} Read: {2}", chunk.ID.ToString("x"), chunk.Length , chunk.BytesRead );
}
}
Triangle[] ReadIndices( ThreeDSChunk chunk )
{
ushort numIdcs = reader.ReadUInt16 ();
chunk.BytesRead += 2;
Console.WriteLine ( " Indices: {0}", numIdcs );
Triangle[] idcs = new Triangle[numIdcs];
for ( int ii=0; ii < idcs.Length ; ii++ )
{
idcs [ii] = new Triangle ( reader.ReadUInt16(), reader.ReadUInt16(), reader.ReadUInt16() );
//Console.WriteLine ( idcs [ii] );
// flags
reader.ReadUInt16 ();
}
chunk.BytesRead += ( 2 * 4 ) * idcs.Length;
//Console.WriteLine ( "b {0} l {1}", chunk.BytesRead, chunk.Length);
//chunk.BytesRead = (int) chunk.Length;
//SkipChunk ( chunk );
return idcs;
}
float[] ProcessColorChunk( ThreeDSChunk chunk )
{
ThreeDSChunk child = new ThreeDSChunk ( reader );
float[] c = new float[] { (float) reader.ReadByte() / 256 , (float) reader.ReadByte() / 256 , (float) reader.ReadByte() / 256 };
//Console.WriteLine ( "R {0} G {1} B {2}", c.R, c.B, c.G );
chunk.BytesRead += (int) child.Length;
return c;
}
void SkipChunk( ThreeDSChunk chunk )
{
int length = (int) chunk.Length - chunk.BytesRead;
reader.ReadBytes ( length );
chunk.BytesRead += length;
}
ArrayList ReadVertices(ThreeDSChunk chunk)
{
ushort numVerts = reader.ReadUInt16();
chunk.BytesRead += 2;
Console.WriteLine(" Vertices: {0}", numVerts);
ArrayList lst = new ArrayList();
for (int ii = 0; ii < numVerts; ii++)
{
float f1 = reader.ReadSingle();
float f2 = reader.ReadSingle();
float f3 = reader.ReadSingle();
Point3d pnt = new Point3d(f1,f2,f3,1.0);
lst.Add(pnt);
}
chunk.BytesRead += lst.Count * (3 * 4);
return lst;
}
ThreeDSMesh ProcessObjectChunk(ThreeDSChunk chunk, ThreeDSMesh e)
{
while (chunk.BytesRead < chunk.Length)
{
ThreeDSChunk child = new ThreeDSChunk(reader);
switch ((ThreeDSChunkType)child.ID)
{
case ThreeDSChunkType.TriangularMesh:
ProcessObjectChunk(child, e);
break;
case ThreeDSChunkType.VerticesList:
e.vertices = ReadVertices(child);
break;
case ThreeDSChunkType.FacesDescription:
e.indices = ReadIndices(child);
if (child.BytesRead < child.Length)
ProcessObjectChunk(child, e);
break;
case ThreeDSChunkType.FacesMaterial:
string name2 = ProcessString(child);
Console.WriteLine(" Uses Material: {0}", name2);
ThreeDSMaterial mat;
if (materials.TryGetValue(name2, out mat))
e.material = mat;
else
Console.WriteLine(" Warning: Material '{0}' not found. ", name2);
//throw new Exception ( "Material not found!" );
/*
int nfaces = reader.ReadUInt16 ();
child.BytesRead += 2;
Console.WriteLine ( nfaces );
for ( int ii=0; ii< nfaces+2; ii++)
{
Console.Write ( reader.ReadUInt16 () + " " );
child.BytesRead += 2;
}
*/
SkipChunk(child);
break;
case ThreeDSChunkType.MappingCoordinatesList:
int cnt = reader.ReadUInt16();
child.BytesRead += 2;
Console.WriteLine(" TexCoords: {0}", cnt);
e.texcoords = new TexCoord[cnt];
for (int ii = 0; ii < cnt; ii++)
e.texcoords[ii] = new TexCoord(reader.ReadSingle(), reader.ReadSingle());
child.BytesRead += (cnt * (4 * 2));
break;
default:
SkipChunk(child);
break;
}
chunk.BytesRead += child.BytesRead;
//Console.WriteLine ( " ID: {0} Length: {1} Read: {2}", chunk.ID.ToString("x"), chunk.Length , chunk.BytesRead );
}
return e;
}
Object3d ProcessObjectChunk(ThreeDSChunk chunk)
{
return ProcessObjectChunk(chunk, new Object3d());
}
ThreeDSMesh ProcessObjectChunk(ThreeDSChunk chunk)
{
return ProcessObjectChunk(chunk, new ThreeDSMesh());
}
Entity ProcessObjectChunk( ThreeDSChunk chunk, Entity e )
{
while ( chunk.BytesRead < chunk.Length )
{
ThreeDSChunk child = new ThreeDSChunk ( reader );
switch ((Groups) child.ID)
{
case Groups.C_OBJECT_MESH:
ProcessObjectChunk ( child , e );
break;
case Groups.C_OBJECT_VERTICES:
e.vertices = ReadVertices ( child );
break;
case Groups.C_OBJECT_FACES:
e.indices = ReadIndices ( child );
if ( child.BytesRead < child.Length )
ProcessObjectChunk ( child, e );
break;
case Groups.C_OBJECT_MATERIAL:
string name2 = ProcessString ( child );
Console.WriteLine ( " Uses Material: {0}", name2 );
Material mat;
if ( materials.TryGetValue ( name2, out mat ) )
{
//e.material = mat;
MaterialFaces m = new MaterialFaces();
m.Material = mat;
int nfaces = reader.ReadUInt16 ();
child.BytesRead += 2;
//Console.WriteLine ( nfaces );
m.Faces = new UInt16[nfaces];
for ( int ii=0; ii<nfaces; ii++)
{
//Console.Write ( reader.ReadUInt16 () + " " );
m.Faces[ii] = reader.ReadUInt16 ();
child.BytesRead += 2;
}
e.MaterialFaces.Add(m);
}
else
{
Console.WriteLine ( " Warning: Material '{0}' not found. ", name2 );
//throw new Exception ( "Material not found!" );
SkipChunk ( child );
}
break;
case Groups.C_OBJECT_UV:
int cnt = reader.ReadUInt16 ();
child.BytesRead += 2;
Console.WriteLine ( " TexCoords: {0}", cnt );
e.texcoords = new TexCoord [ cnt ];
for ( int ii=0; ii<cnt; ii++ )
e.texcoords [ii] = new TexCoord ( reader.ReadSingle (), reader.ReadSingle () );
child.BytesRead += ( cnt * ( 4 * 2 ) );
break;
default:
SkipChunk ( child );
break;
}
chunk.BytesRead += child.BytesRead;
//Console.WriteLine ( " ID: {0} Length: {1} Read: {2}", chunk.ID.ToString("x"), chunk.Length , chunk.BytesRead );
}
return e;
}
Object3d ProcessObjectChunk(ThreeDSChunk chunk)
{
return(ProcessObjectChunk(chunk, new Object3d()));
}
int ProcessPercentageChunk( ThreeDSChunk chunk )
{
ThreeDSChunk child = new ThreeDSChunk ( reader );
int per = reader.ReadUInt16 ();
child.BytesRead += 2;
chunk.BytesRead += child.BytesRead;
return per;
}
void ProcessChunk(ThreeDSChunk chunk)
{
while (chunk.BytesRead < chunk.Length)
{
ThreeDSChunk child = new ThreeDSChunk(reader);
switch ((ThreeDSChunkType)child.ID)
{
case ThreeDSChunkType.CVersion:
int version = reader.ReadInt32();
child.BytesRead += 4;
Console.WriteLine("3DS File Version: {0}", version);
break;
case ThreeDSChunkType._3DEditorChunk:
ThreeDSChunk obj_chunk = new ThreeDSChunk(reader);
// not sure whats up with this chunk
SkipChunk(obj_chunk);
child.BytesRead += obj_chunk.BytesRead;
ProcessChunk(child);
break;
case ThreeDSChunkType.EditorMaterial:
ProcessMaterialChunk(child);
//SkipChunk ( child );
break;
case ThreeDSChunkType.ObjectBlock:
//SkipChunk ( child );
string name = ProcessString(child);
Console.WriteLine("OBJECT NAME: {0}", name);
ThreeDSMesh e = ProcessObjectChunk(child);
e.CalculateNormals();
model.Entities.Add(e);
break;
default:
SkipChunk(child);
break;
}
chunk.BytesRead += child.BytesRead;
//Console.WriteLine ( "ID: {0} Length: {1} Read: {2}", chunk.ID.ToString("x"), chunk.Length , chunk.BytesRead );
}
}
string ProcessString( ThreeDSChunk chunk )
{
StringBuilder sb = new StringBuilder ();
byte b = reader.ReadByte ();
int idx = 0;
while ( b != 0 )
{
sb.Append ( (char) b);
b = reader.ReadByte ();
idx++;
}
chunk.BytesRead += idx+1;
return sb.ToString();
}
void ProcessMaterialChunk( ThreeDSChunk chunk )
{
string name = string.Empty;
Material m = new Material ();
while ( chunk.BytesRead < chunk.Length )
{
ThreeDSChunk child = new ThreeDSChunk ( reader );
switch ((Groups) child.ID)
{
case Groups.C_MATNAME:
name = ProcessString ( child );
break;
case Groups.C_MATAMBIENT:
m.Ambient = ProcessColorChunk ( child );
break;
case Groups.C_MATDIFFUSE:
m.Diffuse = ProcessColorChunk ( child );
break;
case Groups.C_MATSPECULAR:
m.Specular = ProcessColorChunk ( child );
break;
case Groups.C_MATSHININESS:
m.Shininess = ProcessPercentageChunk ( child );
break;
case Groups.C_MATMAP:
ProcessPercentageChunk ( child );
ProcessTexMapChunk ( child , m );
break;
default:
SkipChunk ( child );
break;
}
chunk.BytesRead += child.BytesRead;
}
materials.Add ( name, m );
}
void ProcessTexMapChunk(ThreeDSChunk chunk, Material m)
{
while (chunk.BytesRead < chunk.Length)
{
ThreeDSChunk child = new ThreeDSChunk(this, reader);
switch (child.ID)
{
case Groups.C_MATMAPFILE:
string name = ProcessString(child);
#if LOG_MATERIAL
Logger.Log("Material texture map: {0}", name);
#endif
//Console.WriteLine ( " Texture File: {0}", name );
// use System.Drawing to try and load this image
/*
* //FileStream fStream;
* Bitmap bmp;
* try
* {
* //fStream = new FileStream(base_dir + name, FileMode.Open, FileAccess.Read);
* bmp = new Bitmap ( base_dir + name );
* }
* catch ( Exception ex )
* {
* // couldn't find the file
* Console.WriteLine ( " ERROR: could not load file '{0}': {1}", base_dir + name, ex.Message );
* break;
* }
*
* // Flip image (needed so texture is the correct way around!)
* bmp.RotateFlip(RotateFlipType.RotateNoneFlipY);
*
* System.Drawing.Imaging.BitmapData imgData = bmp.LockBits ( new Rectangle(new Point(0, 0), bmp.Size),
* System.Drawing.Imaging.ImageLockMode.ReadOnly,
* System.Drawing.Imaging.PixelFormat.Format32bppArgb);
* // System.Drawing.Imaging.PixelFormat.Format24bppRgb );
*
* m.BindTexture ( imgData.Width, imgData.Height, imgData.Scan0 );
*
* bmp.UnlockBits(imgData);
* bmp.Dispose();
*/
/*
* BinaryReader br = new BinaryReader(fStream);
*
* br.ReadBytes ( 14 ); // skip file header
*
* uint offset = br.ReadUInt32 ( );
* //br.ReadBytes ( 4 ); // skip image header
* uint biWidth = br.ReadUInt32 ();
* uint biHeight = br.ReadUInt32 ();
* Console.WriteLine ( "w {0} h {1}", biWidth, biHeight );
* br.ReadBytes ( (int) offset - 12 ); // skip rest of image header
*
* byte[,,] tex = new byte [ biHeight , biWidth , 4 ];
*
* for ( int ii=0 ; ii < biHeight ; ii++ )
* {
* for ( int jj=0 ; jj < biWidth ; jj++ )
* {
* tex [ ii, jj, 0 ] = br.ReadByte();
* tex [ ii, jj, 1 ] = br.ReadByte();
* tex [ ii, jj, 2 ] = br.ReadByte();
* tex [ ii, jj, 3 ] = 255;
* //Console.Write ( ii + " " );
* }
* }
*
* br.Close();
* fStream.Close();
* m.BindTexture ( (int) biWidth, (int) biHeight, tex );
*/
break;
default:
SkipChunk(child);
break;
}
chunk.BytesRead += child.BytesRead;
child.SkipToEnd(reader);
}
}
Entity ProcessObjectChunk( ThreeDSChunk chunk )
{
return ProcessObjectChunk ( chunk, new Entity() );
}
void ProcessChunk(ThreeDSChunk chunk)
{
while (chunk.BytesRead < chunk.Length)
{
ThreeDSChunk child = new ThreeDSChunk(reader);
switch ((Groups)child.ID)
{
case Groups.C_VERSION:
int version = reader.ReadInt32();
child.BytesRead += 4;
Console.WriteLine("3DS File Version: {0}", version);
break;
case Groups.C_OBJECTINFO:
ThreeDSChunk obj_chunk = new ThreeDSChunk(reader);
// not sure whats up with this chunk
SkipChunk(obj_chunk);
child.BytesRead += obj_chunk.BytesRead;
ProcessChunk(child);
break;
case Groups.C_MATERIAL:
ProcessMaterialChunk(child);
//SkipChunk ( child );
break;
case Groups.C_OBJECT:
//SkipChunk ( child );
string name = ProcessString(child);
Console.WriteLine("OBJECT NAME: {0}", name);
Object3d e = ProcessObjectChunk(child);
//e.CalculateNormals();
e.Update();
models.Add(e);
break;
default:
SkipChunk(child);
break;
}
chunk.BytesRead += child.BytesRead;
//Console.WriteLine ( "ID: {0} Length: {1} Read: {2}", chunk.ID.ToString("x"), chunk.Length , chunk.BytesRead );
}
}
