private static ThreeDSMesh.Material ParseMaterialData(DataReader3DS dataSegment)
{
DataReader3DS subSegment = dataSegment.GetNextSubSegment();
ThreeDSMesh.Material mat = new ThreeDSMesh.Material();
while (subSegment != null)
{
switch ((ChunkCodes)subSegment.Tag)
{
case ChunkCodes.MAT_NAME: // Subsegment holds material name
mat.name = subSegment.GetString();
break;
case ChunkCodes.MAT_AMBIENT: // Subsegment holds ambient color
mat.ambient = ParseColorData(subSegment.GetNextSubSegment());
break;
case ChunkCodes.MAT_DIFFUSE: // Subsegment holds diffuse color (this is iffy...)
mat.diffuse = ParseColorData(subSegment.GetNextSubSegment());
break;
case ChunkCodes.MAT_TEXMAP: // Subsegment holds texture map info
/*ParseTextureWeight(*/ subSegment.GetNextSubSegment();
mat.texture = subSegment.GetNextSubSegment().GetString();
break;
default: // Ignore all other subsegment types
break;
}
subSegment = dataSegment.GetNextSubSegment();
}
// Check if this is a duplicate material entry (by name)
// NOTE: Duplicate material name update should be in form materialname_submeshname
/*if (materialDataStore.ContainsKey(currentMaterialData.name))
* {
* // Select an "owning" submesh for the material
* referencingSubmeshes = (ArrayList)(submeshesUsingMaterials[currentMaterialData.name]);
* owningSubmesh = (SubmeshData3DS)(referencingSubmeshes[referencingSubmeshes.Count - 1]);
* // Qualify the material name with the submesh's name as well (see above note)
* currentMaterialData.name = currentMaterialData.name + "_" + owningSubmesh.name;
* owningSubmesh.materialUsed = currentMaterialData.name;
* // Clean up and update submesh reference lists
* referencingSubmeshes.RemoveAt(referencingSubmeshes.Count - 1);
* referencingSubmeshes = new ArrayList();
* referencingSubmeshes.Add(owningSubmesh);
* submeshesUsingMaterials.Add(currentMaterialData.name, referencingSubmeshes);
* }*/
return(mat);
}
private static ThreeDSMesh.Material ReadMATERIAL(FileStream file, Chunk thischunk)
{
uint bytesRead = 6;
ThreeDSMesh.Material material = new ThreeDSMesh.Material();
while (bytesRead < thischunk.length)
{
Chunk chunk = ReadChunk(file);
switch ((ChunkCodes)chunk.ID)
{
case ChunkCodes.BLANK:
break;
case ChunkCodes.MAT_NAME:
uint size = 0;
while (file.ReadByte() != 0)
{
size++;
}
size++;
file.Seek(-size, SeekOrigin.Current);
byte[] buffer = new byte[size];
file.Read(buffer, 0, (int)size);
material.name = ASCIIEncoding.ASCII.GetString(buffer);
bytesRead += size;
break;
case ChunkCodes.MAT_DIFFUSE:
material.diffuse = ReadMATDIFFUSE(file, chunk);
break;
case ChunkCodes.MAT_SHININESS:
file.Seek(chunk.length - 6, SeekOrigin.Current);
break;
case ChunkCodes.MAT_AMBIENT:
material.ambient = ReadMATDIFFUSE(file, chunk);
break;
case ChunkCodes.MAT_SPECULAR:
file.Seek(chunk.length - 6, SeekOrigin.Current);
break;
case ChunkCodes.MAT_SHIN_STR:
file.Seek(chunk.length - 6, SeekOrigin.Current);
break;
case ChunkCodes.MAT_SELF_ILLU:
file.Seek(chunk.length - 6, SeekOrigin.Current);
break;
/*case ChunkCodes.MAT_TEXMAP:
* ReadMATERIAL(file, chunk);
* break;*/
/*case ChunkCodes.MAT_TEXFLNM:
* while (file.ReadByte() != 0) bytesRead++;
* break;*/
default:
file.Seek(chunk.length - 6, SeekOrigin.Current);
break;
}
bytesRead += chunk.length;
}
return(material);
}
private static ThreeDSMesh.Material ParseMaterialData(DataReader3DS dataSegment)
{
DataReader3DS subSegment = dataSegment.GetNextSubSegment();
ThreeDSMesh.Material mat = new ThreeDSMesh.Material();
while (subSegment != null)
{
switch ((ChunkCodes)subSegment.Tag)
{
case ChunkCodes.MAT_NAME: // Subsegment holds material name
mat.name = subSegment.GetString();
break;
case ChunkCodes.MAT_AMBIENT: // Subsegment holds ambient color
mat.ambient = ParseColorData(subSegment.GetNextSubSegment());
break;
case ChunkCodes.MAT_DIFFUSE: // Subsegment holds diffuse color (this is iffy...)
mat.diffuse = ParseColorData(subSegment.GetNextSubSegment());
break;
case ChunkCodes.MAT_TEXMAP: // Subsegment holds texture map info
/*ParseTextureWeight(*/subSegment.GetNextSubSegment();
mat.texture = subSegment.GetNextSubSegment().GetString();
break;
default: // Ignore all other subsegment types
break;
}
subSegment = dataSegment.GetNextSubSegment();
}
// Check if this is a duplicate material entry (by name)
// NOTE: Duplicate material name update should be in form materialname_submeshname
/*if (materialDataStore.ContainsKey(currentMaterialData.name))
{
// Select an "owning" submesh for the material
referencingSubmeshes = (ArrayList)(submeshesUsingMaterials[currentMaterialData.name]);
owningSubmesh = (SubmeshData3DS)(referencingSubmeshes[referencingSubmeshes.Count - 1]);
// Qualify the material name with the submesh's name as well (see above note)
currentMaterialData.name = currentMaterialData.name + "_" + owningSubmesh.name;
owningSubmesh.materialUsed = currentMaterialData.name;
// Clean up and update submesh reference lists
referencingSubmeshes.RemoveAt(referencingSubmeshes.Count - 1);
referencingSubmeshes = new ArrayList();
referencingSubmeshes.Add(owningSubmesh);
submeshesUsingMaterials.Add(currentMaterialData.name, referencingSubmeshes);
}*/
return mat;
}