public OBJLoader(string path, Matrix Transformation)
{
this.Transformation = Transformation;
MTLLoader currentMaterial = new MTLLoader();
structNewMTL currentMaterialSet = currentMaterial.getMaterialSet("");
byte[] FileOBJ = ResManager.ListBinaries[ResManager.getBinary(path)].Data;
int i = 0;
float x = 1, y = 1, z = 1;
string type, chaine_Lu;
ToolBox ToolBox = new ToolBox();
Debug debug = new Debug();
List<Vector2> ListeCoordTextures = new List<Vector2>();
List<Vector4> ListeCoordSommets = new List<Vector4>();
List<Vector4> ListeNormales = new List<Vector4>();
List<structVertex> ListeVertex = new List<structVertex>();
while (i < FileOBJ.Length)
{
type = ToolBox.getstring(ref i, ref FileOBJ);
#region Vertex (OK)
if (type == "v")
{
i++; // Espace
x = ToolBox.getfloat(ref i, ref FileOBJ);
i++; // Espace
y = ToolBox.getfloat(ref i, ref FileOBJ);
i++; // Espace
z = ToolBox.getfloat(ref i, ref FileOBJ);
ListeCoordSommets.Add(new Vector4(x, y, z, 1));
debug.WriteNicely("#", ConsoleColor.Gray, "Nouveau sommet " + x + " " + y + " " + z, 4);
}
#endregion
#region Texture coordinate (OK)
else if (type == "vt")
{
i++; // Espace
x = ToolBox.getfloat(ref i, ref FileOBJ);
i++; // Espace
y = ToolBox.getfloat(ref i, ref FileOBJ);
ListeCoordTextures.Add(new Vector2(x, y));
debug.WriteNicely("#", ConsoleColor.Gray, "Nouvelle coordonnée de texture " + x + " " + y + " ", 4);
}
#endregion
#region Normale (OK)
else if (type == "vn")
{
i++; // Espace
x = ToolBox.getfloat(ref i, ref FileOBJ);
i++; // Espace
y = ToolBox.getfloat(ref i, ref FileOBJ);
i++; // Espace
z = ToolBox.getfloat(ref i, ref FileOBJ);
ListeNormales.Add(new Vector4(x, y, z, 1));
debug.WriteNicely("#", ConsoleColor.Gray, "Nouvelle normale " + x + " " + y + " " + z, 4);
}
#endregion
#region Face (OK)
else if (type == "f")
{
const int nbVerticesPerFace = 3;
structVertex[] Vertices3 = new structVertex[3];
for (int j = 0; j < nbVerticesPerFace; j++)
{
i++; // Espace
x = ToolBox.getfloat(ref i, ref FileOBJ); // Coord x
i++; // slash
y = ToolBox.getfloat(ref i, ref FileOBJ); // Coord y
i++; // slash
z = ToolBox.getfloat(ref i, ref FileOBJ); // Coord z
Vertices3[j] = new structVertex(
ListeCoordSommets[Convert.ToInt32(x) - 1],
ListeCoordTextures[Convert.ToInt32(y) - 1],
ListeNormales[Convert.ToInt32(z) - 1],
currentMaterialSet.Kd,
new Vector4()
);
}
Vector4 Tangent = ToolBox.CalcTangentVector(
new Vector3[] { ToolBox.Vec4to3(Vertices3[0].CoordVertex), ToolBox.Vec4to3(Vertices3[1].CoordVertex), ToolBox.Vec4to3(Vertices3[2].CoordVertex) },
new Vector2[] { Vertices3[0].CoordTex, Vertices3[1].CoordTex, Vertices3[2].CoordTex },
ToolBox.Vec4to3(Vertices3[0].Normale));
for (int j = 0; j < nbVerticesPerFace; j++)
{
Vertices3[j].Tangent = Tangent;
ListeVertex.Add(Vertices3[j]);
}
debug.WriteNicely("#", ConsoleColor.DarkBlue, "Nouvelle face", 3);
}
#endregion
#region Object (OK)
else if (type == "o")
{
i++;
chaine_Lu = ToolBox.getstring(ref i, ref FileOBJ);
debug.WriteNicely("#", ConsoleColor.Green, "Nouvel objet : " + chaine_Lu, 3);
if (ListeVertex.Count != 0)
{
ListSubObject.Add(new SubObject(Matrix.Identity, currentMaterialSet, ListeVertex.ToArray()));
ListeVertex.Clear();
}
}
#endregion
#region Group (OK -- Non implémenté)
else if (type == "g")
{
i++;
chaine_Lu = ToolBox.getstring(ref i, ref FileOBJ);
debug.WriteNicely("#", ConsoleColor.Green, "Nouveau groupe : " + chaine_Lu, 3);
}
#endregion
#region MTLLib (OK)
else if (type == "mtllib")
{
i++;
chaine_Lu = ToolBox.getstring(ref i, ref FileOBJ);
debug.WriteNicely("#", ConsoleColor.Green, "Nouveau fichier .MTL : " + chaine_Lu, 2);
currentMaterial = new MTLLoader(chaine_Lu);
currentMaterialSet = currentMaterial.getMaterialSet("");
}
#endregion
#region UseMTL (OK)
else if (type == "usemtl")
{
if (ListeVertex.Count != 0)
{
ListSubObject.Add(new SubObject(Matrix.Identity, currentMaterialSet, ListeVertex.ToArray()));
ListeVertex.Clear();
}
i++;
chaine_Lu = ToolBox.getstring(ref i, ref FileOBJ);
debug.WriteNicely("#", ConsoleColor.Green, "Nouveau Set : " + chaine_Lu, 2);
currentMaterialSet = currentMaterial.getMaterialSet(chaine_Lu);
}
#endregion
#region Lissage (OK -- Non implémenté)
else if (type == "s")
{
}
#endregion
#region New line (OK)
else if (type == "") { }
#endregion
#region Commentaire (OK)
else if (type[0] == '#')
{
debug.WriteNicely("#", ConsoleColor.Green, "Commentaire", 3);
}
#endregion
#region Unknown (OK)
else
{
debug.WriteNicely("!", ConsoleColor.Red, "Type inconnu", 3);
}
#endregion
ToolBox.gotonextline(ref i, ref FileOBJ);
}
if (ListeVertex.Count != 0)
{
ListSubObject.Add(new SubObject(Matrix.Identity, currentMaterialSet, ListeVertex.ToArray()));
ListeVertex.Clear();
}
}
public SubObject(Matrix SubTransformation, structNewMTL materialSet, structVertex[] Vertices)
{
this.materialSet = materialSet;
this.SubTransformation = SubTransformation;
this.sera_affiche = true;
this.Vertices = Vertices;
}
