public VertexNormal Copy()
{
VertexNormal vn=new VertexNormal();
vn.Vertex=this.Vertex.Copy();
vn.Normal=this.Normal.Copy();
return vn;
}
///<summary>Tries to find an existing VertexNormal in the list for this object. If it can, then it returns that index. If it can't then it adds this VertexNormal to the list and returns the last index.</summary>
public int GetIndexForVertNorm(VertexNormal vertnorm) {
for(int i=0;i<VertexNormals.Count;i++) {
if(VertexNormals[i].Vertex.X != vertnorm.Vertex.X){
continue;
}
if(VertexNormals[i].Vertex.Y != vertnorm.Vertex.Y){
continue;
}
if(VertexNormals[i].Vertex.Z != vertnorm.Vertex.Z){
continue;
}
if(VertexNormals[i].Normal.X != vertnorm.Normal.X){
continue;
}
if(VertexNormals[i].Normal.Y != vertnorm.Normal.Y){
continue;
}
if(VertexNormals[i].Normal.Z != vertnorm.Normal.Z){
continue;
}
//match
return i;
}
//couldn't find
VertexNormals.Add(vertnorm);
return VertexNormals.Count-1;
}
///<summary>Tries to find an existing VertexNormal in the list for this object. If it can, then it returns that index. If it can't then it adds this VertexNormal to the list and returns the last index.</summary>
public int GetIndexForVertNorm(VertexNormal vertnorm)
{
for (int i = 0; i < VertexNormals.Count; i++)
{
if (VertexNormals[i].Vertex.X != vertnorm.Vertex.X)
{
continue;
}
if (VertexNormals[i].Vertex.Y != vertnorm.Vertex.Y)
{
continue;
}
if (VertexNormals[i].Vertex.Z != vertnorm.Vertex.Z)
{
continue;
}
if (VertexNormals[i].Normal.X != vertnorm.Normal.X)
{
continue;
}
if (VertexNormals[i].Normal.Y != vertnorm.Normal.Y)
{
continue;
}
if (VertexNormals[i].Normal.Z != vertnorm.Normal.Z)
{
continue;
}
//match
return(i);
}
//couldn't find
VertexNormals.Add(vertnorm);
return(VertexNormals.Count - 1);
}
public VertexNormal Copy()
{
VertexNormal vn = new VertexNormal();
vn.Vertex = this.Vertex.Copy();
vn.Normal = this.Normal.Copy();
return(vn);
}
public VertexNormal Copy()
{
VertexNormal vn = new VertexNormal();
vn.Vertex = this.Vertex.Copy();
vn.Normal = this.Normal.Copy();
if (vn.Texture != null)
{
vn.Texture = this.Texture.Copy();
}
return(vn);
}
///<summary>Tries to find an existing VertexNormal in the list for this tooth. If it can, then it returns that index. If it can't then it adds this VertexNormal to the list and returns the last index.</summary>
private int GetIndexForVertNorm(VertexNormal vertnorm) {
//if(VertexNormals
for(int i=0;i<VertexNormals.Count;i++) {
if(VertexNormals[i].Vertex != vertnorm.Vertex) {
continue;
}
if(VertexNormals[i].Normal != vertnorm.Normal) {
continue;
}
return i;
}
//couldn't find
VertexNormals.Add(vertnorm);
return VertexNormals.Count-1;
}
///<summary>Should only be run on startup for efficiency.</summary>
private void ImportObj() {
byte[] buffer=null;
if(toothID=="1" || toothID=="16") {
buffer=Properties.Resources.tooth1;
}
else if(toothID=="2" || toothID=="15") {
buffer=Properties.Resources.tooth2;
}
else if(toothID=="3" || toothID=="14") {
//file+="3.obj";
buffer=Properties.Resources.tooth3;
}
else if(toothID=="4" || toothID=="13") {
buffer=Properties.Resources.tooth4;
}
else if(toothID=="5" || toothID=="12") {
buffer=Properties.Resources.tooth5;
}
else if(toothID=="6" || toothID=="11") {
buffer=Properties.Resources.tooth6;
}
else if(toothID=="7" ||toothID=="10") {
buffer=Properties.Resources.tooth7;
}
else if(toothID=="8" || toothID=="9") {
buffer=Properties.Resources.tooth8;
}
else if(toothID=="17" || toothID=="32") {
buffer=Properties.Resources.tooth32;
}
else if(toothID=="18" || toothID=="31") {
buffer=Properties.Resources.tooth31;
}
else if(toothID=="19" || toothID=="30") {
buffer=Properties.Resources.tooth30;
}
else if(toothID=="20" || toothID=="29") {
buffer=Properties.Resources.tooth29;
}
else if(toothID=="21" || toothID=="28") {
buffer=Properties.Resources.tooth28;
}
else if(toothID=="22" || toothID=="27") {
buffer=Properties.Resources.tooth27;
}
else if(toothID=="23" || toothID=="24" || toothID=="25" ||toothID=="26") {
buffer=Properties.Resources.tooth25;
}
else if(toothID=="A" || toothID=="J") {
buffer=Properties.Resources.toothA;
}
else if(toothID=="B" || toothID=="I") {
buffer=Properties.Resources.toothB;
}
else if(toothID=="C" || toothID=="H") {
buffer=Properties.Resources.toothC;
}
else if(toothID=="D" || toothID=="G") {
buffer=Properties.Resources.toothD;
}
else if(toothID=="E" || toothID=="F") {
buffer=Properties.Resources.toothE;
}
else if(toothID=="P" || toothID=="O" || toothID=="Q" || toothID=="N") {
buffer=Properties.Resources.toothP;
}
else if(toothID=="R" || toothID=="M") {
buffer=Properties.Resources.toothR;
}
else if(toothID=="S" || toothID=="L") {
buffer=Properties.Resources.toothS;
}
else if(toothID=="T" || toothID=="K") {
buffer=Properties.Resources.toothT;
}
else if(toothID=="implant"){
buffer=Properties.Resources.implant;
}
bool flipHorizontally=false;
if(toothID!="implant" && IdToInt(toothID)>=9 && IdToInt(toothID)<=24) {
flipHorizontally=true;
}
//There will not necessarily be the same number of vertices as normals.
//But as they get paired up later, we will create a 1:1 relationship.
List<Vertex3f> verts=new List<Vertex3f>();
List<Vertex3f> norms=new List<Vertex3f>();
Groups=new List<ToothGroup>();
//ArrayList ALf=new ArrayList();//faces always part of a group
List<Face> faces=new List<Face>();
MemoryStream stream=new MemoryStream(buffer);
using(StreamReader sr = new StreamReader(stream)){
String line;
Vertex3f vertex;
string[] items;
string[] subitems;
Face face;
ToothGroup group=null;
while((line = sr.ReadLine()) != null) {
if(line.StartsWith("#")//comment
|| line.StartsWith("mtllib")//material library. We build our own.
|| line.StartsWith("usemtl")//use material
|| line.StartsWith("o")) {//object. There's only one object
continue;
}
if(line.StartsWith("v ")) {//vertex
items=line.Split(new char[] { ' ' });
vertex=new Vertex3f();//float[3];
if(flipHorizontally) {
vertex.X=-Convert.ToSingle(items[1],CultureInfo.InvariantCulture);
}
else {
vertex.X=Convert.ToSingle(items[1],CultureInfo.InvariantCulture);
}
vertex.Y=Convert.ToSingle(items[2],CultureInfo.InvariantCulture);
vertex.Z=Convert.ToSingle(items[3],CultureInfo.InvariantCulture);
verts.Add(vertex);
continue;
}
if(line.StartsWith("vn")) {//vertex normal
items=line.Split(new char[] { ' ' });
vertex=new Vertex3f();//new float[3];
if(flipHorizontally) {
vertex.X=-Convert.ToSingle(items[1],CultureInfo.InvariantCulture);
}
else {
vertex.X=Convert.ToSingle(items[1],CultureInfo.InvariantCulture);
}
vertex.Y=Convert.ToSingle(items[2],CultureInfo.InvariantCulture);
vertex.Z=Convert.ToSingle(items[3],CultureInfo.InvariantCulture);
norms.Add(vertex);
continue;
}
if(line.StartsWith("g")) {//group
if(group != null) {
//move all faces into the existing group
group.Faces=new List<Face>(faces);
//move the existing group into the AL
Groups.Add(group);
}
//start a new group to which all subsequent faces will be attached.
group=new ToothGroup();
faces=new List<Face>();
//group.PaintColor=Color.FromArgb(255,255,253,209);//default to enamel
switch(line) {
default:
group.GroupType=ToothGroupType.None;
break;
case "g cube1_Cementum":
group.GroupType=ToothGroupType.Cementum;
break;
case "g cube1_Enamel2":
group.GroupType=ToothGroupType.Enamel;
break;
case "g cube1_M":
group.GroupType=ToothGroupType.M;
break;
case "g cube1_D":
group.GroupType=ToothGroupType.D;
break;
case "g cube1_F":
group.GroupType=ToothGroupType.F;
break;
case "g cube1_I":
group.GroupType=ToothGroupType.I;
break;
case "g cube1_L":
group.GroupType=ToothGroupType.L;
break;
case "g cube1_V":
group.GroupType=ToothGroupType.V;
break;
case "g cube1_B":
group.GroupType=ToothGroupType.B;
break;
case "g cube1_O":
group.GroupType=ToothGroupType.O;
break;
case "g cube1_Canals":
group.GroupType=ToothGroupType.Canals;
break;
case "g cube1_Buildup":
group.GroupType=ToothGroupType.Buildup;
break;
case "g cube1_Implant":
group.GroupType=ToothGroupType.Implant;
break;
case "g cube1_EnamelF":
group.GroupType=ToothGroupType.EnamelF;
break;
case "g cube1_DF":
group.GroupType=ToothGroupType.DF;
break;
case "g cube1_MF":
group.GroupType=ToothGroupType.MF;
break;
case "g cube1_IF":
group.GroupType=ToothGroupType.IF;
break;
}
}
if(line.StartsWith("f")) {//face. Usually 4 vertices, but not always.
items=line.Split(new char[] { ' ' });
face=new Face();
VertexNormal vertnorm;
int vertIdx;
int normIdx;
//do we need to load these backwards for flipping, so they'll still be counterclockwise?
//It seems to work anyway, but it's something to keep in mind for later.
for(int i=1;i<items.Length;i++){//face.GetLength(0);i++) {
subitems=items[i].Split(new char[] { '/' });// eg: 9//9 this is an index to a given vertex/normal.
vertnorm=new VertexNormal();//unlike the old way of just storing idxs, we will actually store vertices.
vertIdx=Convert.ToInt32(subitems[0])-1;
normIdx=Convert.ToInt32(subitems[2])-1;
vertnorm.Vertex=verts[vertIdx];
vertnorm.Normal=norms[normIdx];
face.IndexList.Add(GetIndexForVertNorm(vertnorm));
}
faces.Add(face);
continue;
}
}//while readline
//For the very last group, move all faces into the group
group.Faces=new List<Face>(faces);//new int[ALf.Count][][];
//move the last group into the AL
Groups.Add(group);
}
//MessageBox.Show(Vertices[2,2].ToString());
}
public static D3ObjectGroup ImportObjectsFromObjFile(string strObjData)
{
D3ObjectGroup d3ObjectGroup = new D3ObjectGroup();
string[] lines = strObjData.Split(new string[] { "\r\n" }, StringSplitOptions.None);
int i = 0;
List <Vertex3f> listV = new List <Vertex3f>();
List <Vertex3f> listT = new List <Vertex3f>();
List <Vertex3f> listN = new List <Vertex3f>();
Vertex3f vertex;
Vertex3f texture;
Vertex3f normal;
VertexNormal vertnorm;
D3Object d3Object = null;
string[] items;
string[] subitems;
int idxV;
int idxT;
int idxN;
Face face;
while (i < lines.Length)
{
//Debug.WriteLine(i.ToString());
if (lines[i].StartsWith("#") || //comment
lines[i].StartsWith("mtllib") || //material library. We build our own.
lines[i].StartsWith("usemtl")) //use material
{
i++;
continue; //we don't care about any of these
}
if (lines[i].StartsWith("o")) //object. For example "o cube1"
//vertices and normals are per object as they are pulled out of the file,
//but we need to regroup them per d3Object.
{
i++;
continue;
}
if (lines[i].StartsWith("v ")) //vertex. For example "v -0.34671119 0.22176000 0.83703486"
{
items = lines[i].Split(' ');
vertex = new Vertex3f();
vertex.X = Convert.ToSingle(items[1], CultureInfo.InvariantCulture);
vertex.Y = Convert.ToSingle(items[2], CultureInfo.InvariantCulture);
vertex.Z = Convert.ToSingle(items[3], CultureInfo.InvariantCulture);
listV.Add(vertex);
i++;
continue;
}
if (lines[i].StartsWith("vt")) //vertex. For example "vt 0.72553915 0.63685900"
{
items = lines[i].Split(' ');
texture = new Vertex3f();
texture.X = Convert.ToSingle(items[1], CultureInfo.InvariantCulture);
texture.Y = Convert.ToSingle(items[2], CultureInfo.InvariantCulture);
//texture.Z=Convert.ToSingle(items[3],CultureInfo.InvariantCulture);
listT.Add(texture);
i++;
continue;
}
if (lines[i].StartsWith("vn")) //normal. For example "vn -0.32559605 -0.84121753 -0.43167149"
{
items = lines[i].Split(' ');
normal = new Vertex3f();
normal.X = Convert.ToSingle(items[1], CultureInfo.InvariantCulture);
normal.Y = Convert.ToSingle(items[2], CultureInfo.InvariantCulture);
normal.Z = Convert.ToSingle(items[3], CultureInfo.InvariantCulture);
listN.Add(normal);
i++;
continue;
}
if (lines[i].StartsWith("g")) //group. For example "g cylinder2_default"
{
if (d3Object != null)
{
d3ObjectGroup.D3Objects.Add(d3Object); //add the previous object to the group
}
d3Object = new D3Object(); //start the new one, including the new list of VNs
d3Object.Name = lines[i].Substring(2);
i++;
continue;
}
if (lines[i].StartsWith("f")) //face. For example "f 12//384 51//443 384//336 383//335". Format is v//n
{
items = lines[i].Split(' '); //5 items in this example
//create triangle fan, preserving counterclockwise order
for (int f = 2; f < items.Length - 1; f++) //one face/triangle per loop, 2 triangles in this case
{
face = new Face();
//only grab three vertices
//first vertex is always the 0 for the fan
subitems = items[1].Split('/'); //12,,384 for the first triangle
idxV = Convert.ToInt32(subitems[0]) - 1; //11 for the first triangle
if (subitems[1] == "") //no texture
{
idxT = -1;
}
else
{
idxT = Convert.ToInt32(subitems[1]) - 1;
}
idxN = Convert.ToInt32(subitems[2]) - 1; //383 for the first triangle
vertnorm = new VertexNormal();
vertnorm.Vertex = listV[idxV];
if (idxT != -1)
{
vertnorm.Texture = listT[idxT];
}
vertnorm.Normal = listN[idxN];
face.IndexList.Add(d3Object.GetIndexForVertNorm(vertnorm));
//second vertex
subitems = items[f].Split('/'); //51,,443 for the first triangle
idxV = Convert.ToInt32(subitems[0]) - 1; //50 for the first triangle
if (subitems[1] == "") //no texture
{
idxT = -1;
}
else
{
idxT = Convert.ToInt32(subitems[1]) - 1;
}
idxN = Convert.ToInt32(subitems[2]) - 1; //442 for the first triangle
vertnorm = new VertexNormal();
vertnorm.Vertex = listV[idxV];
if (idxT != -1)
{
vertnorm.Texture = listT[idxT];
}
vertnorm.Normal = listN[idxN];
face.IndexList.Add(d3Object.GetIndexForVertNorm(vertnorm));
//third vertex
subitems = items[f + 1].Split('/'); //384,,336 for the first triangle
idxV = Convert.ToInt32(subitems[0]) - 1; //383 for the first triangle
if (subitems[1] == "") //no texture
{
idxT = -1;
}
else
{
idxT = Convert.ToInt32(subitems[1]) - 1;
}
idxN = Convert.ToInt32(subitems[2]) - 1; //335 for the first triangle
vertnorm = new VertexNormal();
vertnorm.Vertex = listV[idxV];
if (idxT != -1)
{
vertnorm.Texture = listT[idxT];
}
vertnorm.Normal = listN[idxN];
face.IndexList.Add(d3Object.GetIndexForVertNorm(vertnorm));
d3Object.Faces.Add(face);
}
i++;
continue;
}
//might be another kind of row that we missed above
i++;
}
if (d3Object != null)
{
d3ObjectGroup.D3Objects.Add(d3Object); //add the last object to the group
}
return(d3ObjectGroup);
}
public static D3ObjectGroup ImportObjectsFromObjFile(string strObjData) {
D3ObjectGroup d3ObjectGroup=new D3ObjectGroup();
string[] lines=strObjData.Split(new string[] {"\r\n"},StringSplitOptions.None);
int i=0;
List<Vertex3f> listV=new List<Vertex3f>();
List<Vertex3f> listT=new List<Vertex3f>();
List<Vertex3f> listN=new List<Vertex3f>();
Vertex3f vertex;
Vertex3f texture;
Vertex3f normal;
VertexNormal vertnorm;
D3Object d3Object=null;
string[] items;
string[] subitems;
int idxV;
int idxT;
int idxN;
Face face;
while(i<lines.Length){
//Debug.WriteLine(i.ToString());
if(lines[i].StartsWith("#")//comment
|| lines[i].StartsWith("mtllib")//material library. We build our own.
|| lines[i].StartsWith("usemtl"))//use material
{
i++;
continue;//we don't care about any of these
}
if(lines[i].StartsWith("o")) {//object. For example "o cube1"
//vertices and normals are per object as they are pulled out of the file,
//but we need to regroup them per d3Object.
i++;
continue;
}
if(lines[i].StartsWith("v ")) {//vertex. For example "v -0.34671119 0.22176000 0.83703486"
items=lines[i].Split(' ');
vertex=new Vertex3f();
vertex.X=Convert.ToSingle(items[1],CultureInfo.InvariantCulture);
vertex.Y=Convert.ToSingle(items[2],CultureInfo.InvariantCulture);
vertex.Z=Convert.ToSingle(items[3],CultureInfo.InvariantCulture);
listV.Add(vertex);
i++;
continue;
}
if(lines[i].StartsWith("vt")) {//vertex. For example "vt 0.72553915 0.63685900"
items=lines[i].Split(' ');
texture=new Vertex3f();
texture.X=Convert.ToSingle(items[1],CultureInfo.InvariantCulture);
texture.Y=Convert.ToSingle(items[2],CultureInfo.InvariantCulture);
//texture.Z=Convert.ToSingle(items[3],CultureInfo.InvariantCulture);
listT.Add(texture);
i++;
continue;
}
if(lines[i].StartsWith("vn")) {//normal. For example "vn -0.32559605 -0.84121753 -0.43167149"
items=lines[i].Split(' ');
normal=new Vertex3f();
normal.X=Convert.ToSingle(items[1],CultureInfo.InvariantCulture);
normal.Y=Convert.ToSingle(items[2],CultureInfo.InvariantCulture);
normal.Z=Convert.ToSingle(items[3],CultureInfo.InvariantCulture);
listN.Add(normal);
i++;
continue;
}
if(lines[i].StartsWith("g")) {//group. For example "g cylinder2_default"
if(d3Object!=null) {
d3ObjectGroup.D3Objects.Add(d3Object);//add the previous object to the group
}
d3Object=new D3Object();//start the new one, including the new list of VNs
d3Object.Name=lines[i].Substring(2);
i++;
continue;
}
if(lines[i].StartsWith("f")) {//face. For example "f 12//384 51//443 384//336 383//335". Format is v//n
items=lines[i].Split(' ');//5 items in this example
//create triangle fan, preserving counterclockwise order
for(int f=2;f<items.Length-1;f++) {//one face/triangle per loop, 2 triangles in this case
face=new Face();
//only grab three vertices
//first vertex is always the 0 for the fan
subitems=items[1].Split('/');//12,,384 for the first triangle
idxV=Convert.ToInt32(subitems[0])-1;//11 for the first triangle
if(subitems[1]=="") {//no texture
idxT=-1;
}
else {
idxT=Convert.ToInt32(subitems[1])-1;
}
idxN=Convert.ToInt32(subitems[2])-1;//383 for the first triangle
vertnorm=new VertexNormal();
vertnorm.Vertex=listV[idxV];
if(idxT!=-1) {
vertnorm.Texture=listT[idxT];
}
vertnorm.Normal=listN[idxN];
face.IndexList.Add(d3Object.GetIndexForVertNorm(vertnorm));
//second vertex
subitems=items[f].Split('/');//51,,443 for the first triangle
idxV=Convert.ToInt32(subitems[0])-1;//50 for the first triangle
if(subitems[1]=="") {//no texture
idxT=-1;
}
else {
idxT=Convert.ToInt32(subitems[1])-1;
}
idxN=Convert.ToInt32(subitems[2])-1;//442 for the first triangle
vertnorm=new VertexNormal();
vertnorm.Vertex=listV[idxV];
if(idxT!=-1) {
vertnorm.Texture=listT[idxT];
}
vertnorm.Normal=listN[idxN];
face.IndexList.Add(d3Object.GetIndexForVertNorm(vertnorm));
//third vertex
subitems=items[f+1].Split('/');//384,,336 for the first triangle
idxV=Convert.ToInt32(subitems[0])-1;//383 for the first triangle
if(subitems[1]=="") {//no texture
idxT=-1;
}
else {
idxT=Convert.ToInt32(subitems[1])-1;
}
idxN=Convert.ToInt32(subitems[2])-1;//335 for the first triangle
vertnorm=new VertexNormal();
vertnorm.Vertex=listV[idxV];
if(idxT!=-1) {
vertnorm.Texture=listT[idxT];
}
vertnorm.Normal=listN[idxN];
face.IndexList.Add(d3Object.GetIndexForVertNorm(vertnorm));
d3Object.Faces.Add(face);
}
i++;
continue;
}
//might be another kind of row that we missed above
i++;
}
if(d3Object!=null) {
d3ObjectGroup.D3Objects.Add(d3Object);//add the last object to the group
}
return d3ObjectGroup;
}
