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 );
}
}
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);
}
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;
}
