private void LoadFromExistingModel(OBJModel model)
{
Vertices = model.Vertices;
Normals = model.Normals;
TexCoords = model.TexCoords;
Faces = model.Faces;
FaceGroups = model.FaceGroups;
currFaceGroup = model.currFaceGroup;
HasTexCoords = model.HasTexCoords;
HasNormals = model.HasNormals;
pathFileName = model.pathFileName;
relativePath = model.relativePath;
TexEnabled = model.TexEnabled;
}
private void LoadFromExistingModel(OBJModel model)
{
Vertices = model.Vertices;
Normals = model.Normals;
TexCoords = model.TexCoords;
Faces = model.Faces;
FaceGroups = model.FaceGroups;
currFaceGroup = model.currFaceGroup;
HasTexCoords = model.HasTexCoords;
HasNormals = model.HasNormals;
pathFileName = model.pathFileName;
relativePath = model.relativePath;
TexEnabled = model.TexEnabled;
}
public bool Load(string filename)
{
if (models.ContainsKey(filename))
{
OBJModel model = models[filename];
LoadFromExistingModel(model);
return true;
}
string[] s;
string sLine;
// char[] cLine = new char[256];
char[] separators = new char[] { ' ', '/' };
FileStream fs = new FileStream(filename, FileMode.Open, FileAccess.Read);
StreamReader sr = new StreamReader(fs);
string absolutePath = fs.Name;
//char[] sep = new char[] { '\\', '/' };
char[] sep = new char[1];
sep[0] = Game.GetPathSeparator()[0];
string[] splitAbsolutePath = absolutePath.Split(sep);
for (int i = 0; i < splitAbsolutePath.Length - 1; i++)
relativePath += splitAbsolutePath[i] + sep[0];
int ic = sr.Read();
uint lineNumber = 1;
List<Material> MaterialList = null;
while (ic != -1)
{
char c = (char)ic;
if (c == 'g')
{
sLine = sr.ReadLine().Remove(0, 1);
if (sLine.CompareTo("default") == 0)
{
//Console.WriteLine("WARNING: Default group name ignored.");
}
else
{
FaceGroup fg = new FaceGroup(sLine);
FaceGroups.Add(fg);
currFaceGroup = fg;
}
}
else if (c == 'v')
{
float[] fTemp;
int iNext = sr.Read();
if (iNext == ' ' || iNext == '\t')
{
fTemp = new float[3];
sLine = sr.ReadLine();
s = sLine.Split(separators, StringSplitOptions.RemoveEmptyEntries);
float.TryParse(s[0], out fTemp[0]);
float.TryParse(s[1], out fTemp[1]);
float.TryParse(s[2], out fTemp[2]);
Vertices.Add(fTemp);
}
else if (iNext == 't')
{
fTemp = new float[2];
sLine = sr.ReadLine();
s = sLine.Split(separators, StringSplitOptions.RemoveEmptyEntries);
float.TryParse(s[0], out fTemp[0]);
float.TryParse(s[1], out fTemp[1]);
TexCoords.Add(fTemp);
HasTexCoords = true;
}
else if (iNext == 'n')
{
fTemp = new float[3];
sLine = sr.ReadLine();
s = sLine.Split(separators, StringSplitOptions.RemoveEmptyEntries);
float.TryParse(s[0], out fTemp[0]);
float.TryParse(s[1], out fTemp[1]);
float.TryParse(s[2], out fTemp[2]);
Normals.Add(fTemp);
HasNormals = true;
}
else
{
sLine = sr.ReadLine();
}
}
else if (c == 'f')
{
uint[][] iTemp = new uint[3][];
int faceSize;
bool isQuad = false;
sLine = sr.ReadLine();
if (HasTexCoords && HasNormals)
{
//f v/t/n v/t/n v/t/n (v/t/n)
s = sLine.Split(separators, StringSplitOptions.RemoveEmptyEntries);
faceSize = s.Length / 3;
isQuad = (faceSize == 4);
iTemp[0] = isQuad ? new uint[4] : new uint[3];
uint.TryParse(s[0], out iTemp[0][0]);
uint.TryParse(s[3], out iTemp[0][1]);
uint.TryParse(s[6], out iTemp[0][2]);
if (isQuad)
uint.TryParse(s[9], out iTemp[0][3]);
iTemp[1] = isQuad ? new uint[4] : new uint[3];
uint.TryParse(s[1], out iTemp[1][0]);
uint.TryParse(s[4], out iTemp[1][1]);
uint.TryParse(s[7], out iTemp[1][2]);
if (isQuad)
uint.TryParse(s[10], out iTemp[1][3]);
iTemp[2] = isQuad ? new uint[4] : new uint[3];
uint.TryParse(s[2], out iTemp[2][0]);
uint.TryParse(s[5], out iTemp[2][1]);
uint.TryParse(s[8], out iTemp[2][2]);
if (isQuad)
uint.TryParse(s[11], out iTemp[2][3]);
Assertion(iTemp[0][0] - 1, (uint)Vertices.Count, lineNumber);
Assertion(iTemp[0][1] - 1, (uint)Vertices.Count, lineNumber);
Assertion(iTemp[0][2] - 1, (uint)Vertices.Count, lineNumber);
if (isQuad)
Assertion(iTemp[0][3] - 1, (uint)Vertices.Count, lineNumber);
Assertion(iTemp[1][0] - 1, (uint)TexCoords.Count, lineNumber);
Assertion(iTemp[1][1] - 1, (uint)TexCoords.Count, lineNumber);
Assertion(iTemp[1][2] - 1, (uint)TexCoords.Count, lineNumber);
if (isQuad)
Assertion(iTemp[1][3] - 1, (uint)TexCoords.Count, lineNumber);
Assertion(iTemp[2][0] - 1, (uint)Normals.Count, lineNumber);
Assertion(iTemp[2][1] - 1, (uint)Normals.Count, lineNumber);
Assertion(iTemp[2][2] - 1, (uint)Normals.Count, lineNumber);
if (isQuad)
Assertion(iTemp[2][3] - 1, (uint)Normals.Count, lineNumber);
currFaceGroup.AddFace(new Face(iTemp));
}
else if (HasTexCoords && !HasNormals)
{
//f v/t v/t v/t (v/t)
s = sLine.Split(separators, StringSplitOptions.RemoveEmptyEntries);
faceSize = s.Length / 3;
isQuad = (faceSize == 4);
iTemp[0] = isQuad ? new uint[4] : new uint[3];
uint.TryParse(s[0], out iTemp[0][0]);
uint.TryParse(s[2], out iTemp[0][1]);
uint.TryParse(s[4], out iTemp[0][2]);
if (isQuad)
uint.TryParse(s[6], out iTemp[0][3]);
iTemp[1] = isQuad ? new uint[4] : new uint[3];
uint.TryParse(s[1], out iTemp[1][0]);
uint.TryParse(s[3], out iTemp[1][1]);
uint.TryParse(s[5], out iTemp[1][2]);
if (isQuad)
uint.TryParse(s[7], out iTemp[1][3]);
Assertion(iTemp[0][0] - 1, (uint)Vertices.Count, lineNumber);
Assertion(iTemp[0][1] - 1, (uint)Vertices.Count, lineNumber);
Assertion(iTemp[0][2] - 1, (uint)Vertices.Count, lineNumber);
if (isQuad)
Assertion(iTemp[0][3] - 1, (uint)Vertices.Count, lineNumber);
Assertion(iTemp[1][0] - 1, (uint)TexCoords.Count, lineNumber);
Assertion(iTemp[1][1] - 1, (uint)TexCoords.Count, lineNumber);
Assertion(iTemp[1][2] - 1, (uint)TexCoords.Count, lineNumber);
if (isQuad)
Assertion(iTemp[1][3] - 1, (uint)Vertices.Count, lineNumber);
currFaceGroup.AddFace(new Face(iTemp));
}
else if (!HasTexCoords && HasNormals)
{
//f v//n v//n v//n (v//n)
s = sLine.Split(separators, StringSplitOptions.RemoveEmptyEntries);
faceSize = s.Length / 3;
isQuad = (faceSize == 4);
iTemp[0] = isQuad ? new uint[4] : new uint[3];
uint.TryParse(s[0], out iTemp[0][0]);
uint.TryParse(s[2], out iTemp[0][1]);
uint.TryParse(s[4], out iTemp[0][2]);
if (isQuad)
uint.TryParse(s[6], out iTemp[0][3]);
iTemp[2] = isQuad ? new uint[4] : new uint[3];
uint.TryParse(s[1], out iTemp[2][0]);
uint.TryParse(s[3], out iTemp[2][1]);
uint.TryParse(s[5], out iTemp[2][2]);
if (isQuad)
uint.TryParse(s[7], out iTemp[2][3]);
Assertion(iTemp[0][0] - 1, (uint)Vertices.Count, lineNumber);
Assertion(iTemp[0][1] - 1, (uint)Vertices.Count, lineNumber);
Assertion(iTemp[0][2] - 1, (uint)Vertices.Count, lineNumber);
if (isQuad)
Assertion(iTemp[0][3] - 1, (uint)Vertices.Count, lineNumber);
Assertion(iTemp[2][0] - 1, (uint)Normals.Count, lineNumber);
Assertion(iTemp[2][1] - 1, (uint)Normals.Count, lineNumber);
Assertion(iTemp[2][2] - 1, (uint)Normals.Count, lineNumber);
if (isQuad)
Assertion(iTemp[2][3] - 1, (uint)Vertices.Count, lineNumber);
currFaceGroup.AddFace(new Face(iTemp));
}
else
{
s = sLine.Split(separators, StringSplitOptions.RemoveEmptyEntries);
faceSize = s.Length / 3;
isQuad = (faceSize == 4);
iTemp[0] = isQuad ? new uint[4] : new uint[3];
uint.TryParse(s[0], out iTemp[0][0]);
uint.TryParse(s[1], out iTemp[0][1]);
uint.TryParse(s[2], out iTemp[0][2]);
if (isQuad)
uint.TryParse(s[3], out iTemp[0][3]);
Assertion(iTemp[0][0] - 1, (uint)Vertices.Count, lineNumber);
Assertion(iTemp[0][1] - 1, (uint)Vertices.Count, lineNumber);
Assertion(iTemp[0][2] - 1, (uint)Vertices.Count, lineNumber);
if (isQuad)
Assertion(iTemp[0][3] - 1, (uint)Vertices.Count, lineNumber);
currFaceGroup.AddFace(new Face(iTemp));
}
}
else if (c == 'm') //Material Library File
{
sLine = sr.ReadLine();
s = sLine.Split(separators, StringSplitOptions.RemoveEmptyEntries);
MaterialList = Material.ParseMaterials(relativePath + s[1]);
}
else if (c == 'u')
{
sr.Read(); //'s'
sr.Read(); //'e'
sr.Read(); //'m'
sr.Read(); //'t'
sr.Read(); //'l'
sr.Read(); //' '
sLine = sr.ReadLine();
s = sLine.Split(separators, StringSplitOptions.RemoveEmptyEntries);
if (MaterialList != null)
{
for (int i = 0; i < MaterialList.Count; i++)
{
if (MaterialList[i].matName.CompareTo(s[0]) == 0)
{
currFaceGroup.SetMaterial(MaterialList[i]);
}
}
}
}
else if (c != '\n')
{
sLine = sr.ReadLine();
}
lineNumber++;
ic = sr.Read();
}
sr.Close();
fs.Close();
models.Add(filename, this);
return true;
}
public bool Load(string filename)
{
if (models.ContainsKey(filename))
{
OBJModel model = models[filename];
LoadFromExistingModel(model);
return(true);
}
string[] s;
string sLine;
// char[] cLine = new char[256];
char[] separators = new char[] { ' ', '/' };
FileStream fs = new FileStream(filename, FileMode.Open, FileAccess.Read);
StreamReader sr = new StreamReader(fs);
string absolutePath = fs.Name;
//char[] sep = new char[] { '\\', '/' };
char[] sep = new char[1];
sep[0] = Game.GetPathSeparator()[0];
string[] splitAbsolutePath = absolutePath.Split(sep);
for (int i = 0; i < splitAbsolutePath.Length - 1; i++)
{
relativePath += splitAbsolutePath[i] + sep[0];
}
int ic = sr.Read();
uint lineNumber = 1;
List <Material> MaterialList = null;
while (ic != -1)
{
char c = (char)ic;
if (c == 'g')
{
sLine = sr.ReadLine().Remove(0, 1);
if (sLine.CompareTo("default") == 0)
{
//Console.WriteLine("WARNING: Default group name ignored.");
}
else
{
FaceGroup fg = new FaceGroup(sLine);
FaceGroups.Add(fg);
currFaceGroup = fg;
}
}
else if (c == 'v')
{
float[] fTemp;
int iNext = sr.Read();
if (iNext == ' ' || iNext == '\t')
{
fTemp = new float[3];
sLine = sr.ReadLine();
s = sLine.Split(separators, StringSplitOptions.RemoveEmptyEntries);
float.TryParse(s[0], out fTemp[0]);
float.TryParse(s[1], out fTemp[1]);
float.TryParse(s[2], out fTemp[2]);
Vertices.Add(fTemp);
}
else if (iNext == 't')
{
fTemp = new float[2];
sLine = sr.ReadLine();
s = sLine.Split(separators, StringSplitOptions.RemoveEmptyEntries);
float.TryParse(s[0], out fTemp[0]);
float.TryParse(s[1], out fTemp[1]);
TexCoords.Add(fTemp);
HasTexCoords = true;
}
else if (iNext == 'n')
{
fTemp = new float[3];
sLine = sr.ReadLine();
s = sLine.Split(separators, StringSplitOptions.RemoveEmptyEntries);
float.TryParse(s[0], out fTemp[0]);
float.TryParse(s[1], out fTemp[1]);
float.TryParse(s[2], out fTemp[2]);
Normals.Add(fTemp);
HasNormals = true;
}
else
{
sLine = sr.ReadLine();
}
}
else if (c == 'f')
{
uint[][] iTemp = new uint[3][];
int faceSize;
bool isQuad = false;
sLine = sr.ReadLine();
if (HasTexCoords && HasNormals)
{
//f v/t/n v/t/n v/t/n (v/t/n)
s = sLine.Split(separators, StringSplitOptions.RemoveEmptyEntries);
faceSize = s.Length / 3;
isQuad = (faceSize == 4);
iTemp[0] = isQuad ? new uint[4] : new uint[3];
uint.TryParse(s[0], out iTemp[0][0]);
uint.TryParse(s[3], out iTemp[0][1]);
uint.TryParse(s[6], out iTemp[0][2]);
if (isQuad)
{
uint.TryParse(s[9], out iTemp[0][3]);
}
iTemp[1] = isQuad ? new uint[4] : new uint[3];
uint.TryParse(s[1], out iTemp[1][0]);
uint.TryParse(s[4], out iTemp[1][1]);
uint.TryParse(s[7], out iTemp[1][2]);
if (isQuad)
{
uint.TryParse(s[10], out iTemp[1][3]);
}
iTemp[2] = isQuad ? new uint[4] : new uint[3];
uint.TryParse(s[2], out iTemp[2][0]);
uint.TryParse(s[5], out iTemp[2][1]);
uint.TryParse(s[8], out iTemp[2][2]);
if (isQuad)
{
uint.TryParse(s[11], out iTemp[2][3]);
}
Assertion(iTemp[0][0] - 1, (uint)Vertices.Count, lineNumber);
Assertion(iTemp[0][1] - 1, (uint)Vertices.Count, lineNumber);
Assertion(iTemp[0][2] - 1, (uint)Vertices.Count, lineNumber);
if (isQuad)
{
Assertion(iTemp[0][3] - 1, (uint)Vertices.Count, lineNumber);
}
Assertion(iTemp[1][0] - 1, (uint)TexCoords.Count, lineNumber);
Assertion(iTemp[1][1] - 1, (uint)TexCoords.Count, lineNumber);
Assertion(iTemp[1][2] - 1, (uint)TexCoords.Count, lineNumber);
if (isQuad)
{
Assertion(iTemp[1][3] - 1, (uint)TexCoords.Count, lineNumber);
}
Assertion(iTemp[2][0] - 1, (uint)Normals.Count, lineNumber);
Assertion(iTemp[2][1] - 1, (uint)Normals.Count, lineNumber);
Assertion(iTemp[2][2] - 1, (uint)Normals.Count, lineNumber);
if (isQuad)
{
Assertion(iTemp[2][3] - 1, (uint)Normals.Count, lineNumber);
}
currFaceGroup.AddFace(new Face(iTemp));
}
else if (HasTexCoords && !HasNormals)
{
//f v/t v/t v/t (v/t)
s = sLine.Split(separators, StringSplitOptions.RemoveEmptyEntries);
faceSize = s.Length / 3;
isQuad = (faceSize == 4);
iTemp[0] = isQuad ? new uint[4] : new uint[3];
uint.TryParse(s[0], out iTemp[0][0]);
uint.TryParse(s[2], out iTemp[0][1]);
uint.TryParse(s[4], out iTemp[0][2]);
if (isQuad)
{
uint.TryParse(s[6], out iTemp[0][3]);
}
iTemp[1] = isQuad ? new uint[4] : new uint[3];
uint.TryParse(s[1], out iTemp[1][0]);
uint.TryParse(s[3], out iTemp[1][1]);
uint.TryParse(s[5], out iTemp[1][2]);
if (isQuad)
{
uint.TryParse(s[7], out iTemp[1][3]);
}
Assertion(iTemp[0][0] - 1, (uint)Vertices.Count, lineNumber);
Assertion(iTemp[0][1] - 1, (uint)Vertices.Count, lineNumber);
Assertion(iTemp[0][2] - 1, (uint)Vertices.Count, lineNumber);
if (isQuad)
{
Assertion(iTemp[0][3] - 1, (uint)Vertices.Count, lineNumber);
}
Assertion(iTemp[1][0] - 1, (uint)TexCoords.Count, lineNumber);
Assertion(iTemp[1][1] - 1, (uint)TexCoords.Count, lineNumber);
Assertion(iTemp[1][2] - 1, (uint)TexCoords.Count, lineNumber);
if (isQuad)
{
Assertion(iTemp[1][3] - 1, (uint)Vertices.Count, lineNumber);
}
currFaceGroup.AddFace(new Face(iTemp));
}
else if (!HasTexCoords && HasNormals)
{
//f v//n v//n v//n (v//n)
s = sLine.Split(separators, StringSplitOptions.RemoveEmptyEntries);
faceSize = s.Length / 3;
isQuad = (faceSize == 4);
iTemp[0] = isQuad ? new uint[4] : new uint[3];
uint.TryParse(s[0], out iTemp[0][0]);
uint.TryParse(s[2], out iTemp[0][1]);
uint.TryParse(s[4], out iTemp[0][2]);
if (isQuad)
{
uint.TryParse(s[6], out iTemp[0][3]);
}
iTemp[2] = isQuad ? new uint[4] : new uint[3];
uint.TryParse(s[1], out iTemp[2][0]);
uint.TryParse(s[3], out iTemp[2][1]);
uint.TryParse(s[5], out iTemp[2][2]);
if (isQuad)
{
uint.TryParse(s[7], out iTemp[2][3]);
}
Assertion(iTemp[0][0] - 1, (uint)Vertices.Count, lineNumber);
Assertion(iTemp[0][1] - 1, (uint)Vertices.Count, lineNumber);
Assertion(iTemp[0][2] - 1, (uint)Vertices.Count, lineNumber);
if (isQuad)
{
Assertion(iTemp[0][3] - 1, (uint)Vertices.Count, lineNumber);
}
Assertion(iTemp[2][0] - 1, (uint)Normals.Count, lineNumber);
Assertion(iTemp[2][1] - 1, (uint)Normals.Count, lineNumber);
Assertion(iTemp[2][2] - 1, (uint)Normals.Count, lineNumber);
if (isQuad)
{
Assertion(iTemp[2][3] - 1, (uint)Vertices.Count, lineNumber);
}
currFaceGroup.AddFace(new Face(iTemp));
}
else
{
s = sLine.Split(separators, StringSplitOptions.RemoveEmptyEntries);
faceSize = s.Length / 3;
isQuad = (faceSize == 4);
iTemp[0] = isQuad ? new uint[4] : new uint[3];
uint.TryParse(s[0], out iTemp[0][0]);
uint.TryParse(s[1], out iTemp[0][1]);
uint.TryParse(s[2], out iTemp[0][2]);
if (isQuad)
{
uint.TryParse(s[3], out iTemp[0][3]);
}
Assertion(iTemp[0][0] - 1, (uint)Vertices.Count, lineNumber);
Assertion(iTemp[0][1] - 1, (uint)Vertices.Count, lineNumber);
Assertion(iTemp[0][2] - 1, (uint)Vertices.Count, lineNumber);
if (isQuad)
{
Assertion(iTemp[0][3] - 1, (uint)Vertices.Count, lineNumber);
}
currFaceGroup.AddFace(new Face(iTemp));
}
}
else if (c == 'm') //Material Library File
{
sLine = sr.ReadLine();
s = sLine.Split(separators, StringSplitOptions.RemoveEmptyEntries);
MaterialList = Material.ParseMaterials(relativePath + s[1]);
}
else if (c == 'u')
{
sr.Read(); //'s'
sr.Read(); //'e'
sr.Read(); //'m'
sr.Read(); //'t'
sr.Read(); //'l'
sr.Read(); //' '
sLine = sr.ReadLine();
s = sLine.Split(separators, StringSplitOptions.RemoveEmptyEntries);
if (MaterialList != null)
{
for (int i = 0; i < MaterialList.Count; i++)
{
if (MaterialList[i].matName.CompareTo(s[0]) == 0)
{
currFaceGroup.SetMaterial(MaterialList[i]);
}
}
}
}
else if (c != '\n')
{
sLine = sr.ReadLine();
}
lineNumber++;
ic = sr.Read();
}
sr.Close();
fs.Close();
models.Add(filename, this);
return(true);
}
