/// <summary>
/// Parses the face-specific polygonal data from the current data segment.
/// </summary>
/// <param name="dataSegment">
/// Contains the data to be parsed.
/// </param>
protected void ParseFaceData(DataReader3DS dataSegment)
{
int i; // counter
DataReader3DS subSegment; // will be used to read other subsegments (do not initialize yet)
this.currentMeshData.Faces = new MeshData3DS.FaceData3DS[dataSegment.GetUShort()];
// Read face data
for (i = 0; i < this.currentMeshData.Faces.Length; i++)
{
this.currentMeshData.Faces[i].Vertex1 = dataSegment.GetUShort();
this.currentMeshData.Faces[i].Vertex2 = dataSegment.GetUShort();
this.currentMeshData.Faces[i].Vertex3 = dataSegment.GetUShort();
this.currentMeshData.Faces[i].Flags = dataSegment.GetUShort();
}
// Read other subsegments
subSegment = dataSegment.GetNextSubSegment();
while (subSegment != null)
{
switch (subSegment.Tag)
{
case 0x4130: // Name of material used
this.currentMeshData.MaterialUsed = subSegment.GetString();
break;
}
subSegment = dataSegment.GetNextSubSegment();
}
}
/// <summary>
/// Parses the mesh data from the current data segment.
/// </summary>
/// <param name="dataSegment">
/// Contains the data to be parsed.
/// </param>
protected void ParseMeshData(DataReader3DS dataSegment)
{
string name = dataSegment.GetString(); // mesh object name
DataReader3DS subSegment = dataSegment.GetNextSubSegment(); // working subsegment
this.currentMeshData = new MeshData3DS();
this.currentMeshData.Name = name;
while (subSegment != null)
{
switch (subSegment.Tag)
{
case 0x4100: // Current subsegment contains the polygonal information
this.ParsePolygonalData(subSegment);
break;
default: // Ignore all other subsegment types
break;
}
subSegment = dataSegment.GetNextSubSegment();
}
while (this.meshDataStore.ContainsKey(this.currentMeshData.Name))
{
this.currentMeshData.Name += "X";
}
this.meshDataStore.Add(this.currentMeshData.Name, this.currentMeshData);
}
/// <summary>
/// Parses the polygonal data from the current data segment.
/// </summary>
/// <param name="dataSegment">
/// Contains the data to be parsed.
/// </param>
protected void ParsePolygonalData(DataReader3DS dataSegment)
{
int i; // counter
DataReader3DS subSegment = dataSegment.GetNextSubSegment(); // working data subsegment
while (subSegment != null)
{
switch (subSegment.Tag)
{
case 0x4110: // Subsegment contains vertex information
this.currentMeshData.Vertices = new Point3D[subSegment.GetUShort()];
for (i = 0; i < this.currentMeshData.Vertices.Length; i++)
{
this.currentMeshData.Vertices[i].X = subSegment.GetFloat();
this.currentMeshData.Vertices[i].Y = subSegment.GetFloat();
this.currentMeshData.Vertices[i].Z = subSegment.GetFloat();
}
break;
case 0x4160: // Subsegment contains translation matrix info (ignore for now)
break;
case 0x4120: // Subsegment contains face information
this.ParseFaceData(subSegment);
break;
case 0x4140: // Subsegment contains texture mapping information
this.currentMeshData.TextureCoordinates = new Point2D[subSegment.GetUShort()];
//HACK: This is because the above array allocation doesn't automatically
//HACK: create each element.
for (i = 0; i < this.currentMeshData.TextureCoordinates.Length; i++)
{
this.currentMeshData.TextureCoordinates[i] = new Point2D();
}
//HACK: End hack.
if (this.currentMeshData.TextureCoordinates.Length != this.currentMeshData.Vertices.Length)
{
Console.WriteLine("WARNING: Possible errors in texture coordinate mapping!");
}
for (i = 0; i < this.currentMeshData.TextureCoordinates.Length; i++)
{
this.currentMeshData.TextureCoordinates[i].X = subSegment.GetFloat();
this.currentMeshData.TextureCoordinates[i].Y = subSegment.GetFloat();
}
break;
}
subSegment = dataSegment.GetNextSubSegment();
}
// Also use face data to calculate vertex normals
this.CalculateVertexNormals();
}
/// <summary>
/// Parses the 3DS data stream into mesh and material information.
/// </summary>
/// <param name="dataSegment">
/// Contains the data to be parsed.
/// </param>
protected void ParseData(DataReader3DS dataSegment)
{
DataReader3DS subSegment = dataSegment.GetNextSubSegment();
while (subSegment != null)
{
switch (subSegment.Tag)
{
case 0xafff: // Current subsegment holds material data
this.ParseMaterialData(subSegment);
break;
case 0x4000: // Current subsegment holds mesh data
this.ParseMeshData(subSegment);
break;
}
subSegment = dataSegment.GetNextSubSegment();
}
}
/// <summary>
/// Parses the material data from the current data segment.
/// </summary>
/// <param name="dataSegment">
/// Contains the data to be parsed.
/// </param>
protected void ParseMaterialData(DataReader3DS dataSegment)
{
DataReader3DS subSegment = dataSegment.GetNextSubSegment();
this.currentMaterialData = new MaterialData3DS();
while (subSegment != null)
{
switch (subSegment.Tag)
{
case 0xa000: // Subsegment holds material name
this.currentMaterialData.name = subSegment.GetString();
Console.WriteLine("Material is named: " + this.currentMaterialData.name);
break;
case 0xa010: // Subsegment holds ambient color
this.currentMaterialData.ambient = this.ParseColorData(subSegment.GetNextSubSegment());
break;
case 0xa020: // Subsegment holds diffuse color (this is iffy...)
this.currentMaterialData.diffuse = this.ParseColorData(subSegment.GetNextSubSegment());
break;
case 0xa200: // Subsegment holds texture map info
this.ParseTextureWeight(subSegment.GetNextSubSegment());
this.currentMaterialData.textureName = subSegment.GetNextSubSegment().GetString();
break;
default: // Ignore all other subsegment types
break;
}
subSegment = dataSegment.GetNextSubSegment();
}
// Store newly created material in data store and change name if another exists with its name
while (this.materialDataStore.ContainsKey(this.currentMaterialData.name))
{
this.currentMaterialData.name += "X";
}
this.materialDataStore.Add(this.currentMaterialData.name, this.currentMaterialData);
}
/// <summary>
/// Parses the polygonal data from the current data segment.
/// </summary>
/// <param name="dataSegment">
/// Contains the data to be parsed.
/// </param>
protected void ParsePolygonalData(DataReader3DS dataSegment)
{
int i; // counter
DataReader3DS subSegment = dataSegment.GetNextSubSegment(); // working data subsegment
while (subSegment != null) {
switch (subSegment.Tag) {
case 0x4110: // Subsegment contains vertex information
this.currentMeshData.Vertices = new Point3D[subSegment.GetUShort()];
for (i = 0; i < this.currentMeshData.Vertices.Length; i++) {
this.currentMeshData.Vertices[i].X = subSegment.GetFloat();
this.currentMeshData.Vertices[i].Y = subSegment.GetFloat();
this.currentMeshData.Vertices[i].Z = subSegment.GetFloat();
}
break;
case 0x4160: // Subsegment contains translation matrix info (ignore for now)
break;
case 0x4120: // Subsegment contains face information
this.ParseFaceData(subSegment);
break;
case 0x4140: // Subsegment contains texture mapping information
this.currentMeshData.TextureCoordinates = new Point2D[subSegment.GetUShort()];
//HACK: This is because the above array allocation doesn't automatically
//HACK: create each element.
for (i = 0; i < this.currentMeshData.TextureCoordinates.Length; i++) {
this.currentMeshData.TextureCoordinates[i] = new Point2D();
}
//HACK: End hack.
if (this.currentMeshData.TextureCoordinates.Length != this.currentMeshData.Vertices.Length) {
Console.WriteLine("WARNING: Possible errors in texture coordinate mapping!");
}
for (i = 0; i < this.currentMeshData.TextureCoordinates.Length; i++) {
this.currentMeshData.TextureCoordinates[i].X = subSegment.GetFloat();
this.currentMeshData.TextureCoordinates[i].Y = subSegment.GetFloat();
}
break;
}
subSegment = dataSegment.GetNextSubSegment();
}
// Also use face data to calculate vertex normals
this.CalculateVertexNormals();
}
/// <summary>
/// Parses the mesh data from the current data segment.
/// </summary>
/// <param name="dataSegment">
/// Contains the data to be parsed.
/// </param>
protected void ParseMeshData(DataReader3DS dataSegment)
{
string name = dataSegment.GetString(); // mesh object name
DataReader3DS subSegment = dataSegment.GetNextSubSegment(); // working subsegment
this.currentMeshData = new MeshData3DS();
this.currentMeshData.Name = name;
while (subSegment != null) {
switch (subSegment.Tag) {
case 0x4100: // Current subsegment contains the polygonal information
this.ParsePolygonalData(subSegment);
break;
default: // Ignore all other subsegment types
break;
}
subSegment = dataSegment.GetNextSubSegment();
}
while (this.meshDataStore.ContainsKey(this.currentMeshData.Name)) {
this.currentMeshData.Name += "X";
}
this.meshDataStore.Add(this.currentMeshData.Name, this.currentMeshData);
}
/// <summary>
/// Parses the material data from the current data segment.
/// </summary>
/// <param name="dataSegment">
/// Contains the data to be parsed.
/// </param>
protected void ParseMaterialData(DataReader3DS dataSegment)
{
DataReader3DS subSegment = dataSegment.GetNextSubSegment();
this.currentMaterialData = new MaterialData3DS();
while (subSegment != null) {
switch (subSegment.Tag) {
case 0xa000: // Subsegment holds material name
this.currentMaterialData.name = subSegment.GetString();
Console.WriteLine("Material is named: " + this.currentMaterialData.name);
break;
case 0xa010: // Subsegment holds ambient color
this.currentMaterialData.ambient = this.ParseColorData(subSegment.GetNextSubSegment());
break;
case 0xa020: // Subsegment holds diffuse color (this is iffy...)
this.currentMaterialData.diffuse = this.ParseColorData(subSegment.GetNextSubSegment());
break;
case 0xa200: // Subsegment holds texture map info
this.ParseTextureWeight(subSegment.GetNextSubSegment());
this.currentMaterialData.textureName = subSegment.GetNextSubSegment().GetString();
break;
default: // Ignore all other subsegment types
break;
}
subSegment = dataSegment.GetNextSubSegment();
}
// Store newly created material in data store and change name if another exists with its name
while (this.materialDataStore.ContainsKey(this.currentMaterialData.name)) {
this.currentMaterialData.name += "X";
}
this.materialDataStore.Add(this.currentMaterialData.name, this.currentMaterialData);
}
/// <summary>
/// Parses the face-specific polygonal data from the current data segment.
/// </summary>
/// <param name="dataSegment">
/// Contains the data to be parsed.
/// </param>
protected void ParseFaceData(DataReader3DS dataSegment)
{
int i; // counter
DataReader3DS subSegment; // will be used to read other subsegments (do not initialize yet)
this.currentMeshData.Faces = new MeshData3DS.FaceData3DS[dataSegment.GetUShort()];
// Read face data
for (i = 0; i < this.currentMeshData.Faces.Length; i++) {
this.currentMeshData.Faces[i].Vertex1 = dataSegment.GetUShort();
this.currentMeshData.Faces[i].Vertex2 = dataSegment.GetUShort();
this.currentMeshData.Faces[i].Vertex3 = dataSegment.GetUShort();
this.currentMeshData.Faces[i].Flags = dataSegment.GetUShort();
}
// Read other subsegments
subSegment = dataSegment.GetNextSubSegment();
while (subSegment != null) {
switch (subSegment.Tag) {
case 0x4130: // Name of material used
this.currentMeshData.MaterialUsed = subSegment.GetString();
break;
}
subSegment = dataSegment.GetNextSubSegment();
}
}
/// <summary>
/// Parses the 3DS data stream into mesh and material information.
/// </summary>
/// <param name="dataSegment">
/// Contains the data to be parsed.
/// </param>
protected void ParseData(DataReader3DS dataSegment)
{
DataReader3DS subSegment = dataSegment.GetNextSubSegment();
while (subSegment != null) {
switch (subSegment.Tag) {
case 0xafff: // Current subsegment holds material data
this.ParseMaterialData(subSegment);
break;
case 0x4000: // Current subsegment holds mesh data
this.ParseMeshData(subSegment);
break;
}
subSegment = dataSegment.GetNextSubSegment();
}
}