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class Model
{
private:
// Model Info
vector<Vertex3D> Vertices;
vector<Texture2D> Textures;
vector<Normal3D> Normals;
vector<Face> Faces;
public:
float ULX,ULY,LRX,LRY;
float X, Y, Z;
Model()
{
}
Model(float x, float y, float z)
{
this->X = x;
this->Y = y;
this->Z = z;
}
//LOAD OBJ
void Load(const char *OBJFile)
{
ifstream ifs(OBJFile);
cout << OBJFile << endl;
while (!ifs.eof()) {
char data[100000];
for (int Dataindx = 0; Dataindx < 100000; Dataindx++)
data[Dataindx] = '\0';
ifs >> data; //Extract 1 word from the file
if (strcmp(data, "v") == 0) {
float x, y, z; //Vertex data
//Extract x, y, z components
ifs >> x;
ifs >> y;
ifs >> z;
Vertex3D vert; //Create Vertex3D object
vert.x = x;
vert.y = y;
vert.z = z;
//Add the vertex into the vector
this->Vertices.push_back(vert);
}
else if (strcmp(data, "vt") == 0) {
float x, y; // Texture Data
// Extract x, y components
ifs >> x;
ifs >> y;
Texture2D text;
text.x = x;
text.y = y;
//cout << ": X: " << x << ", Y: " << y << endl;
// Add the texture into the vector
this->Textures.push_back(text);
}
else if (strcmp(data, "vn") == 0) {
float x, y, z; //Vertex normal
//Extract vertex normal
ifs >> x;
ifs >> y;
ifs >> z;
Normal3D norm; //Create Normal3D object
norm.x = x;
norm.y = y;
norm.z = z;
//Add this normal into the vector
this->Normals.push_back(norm);
}
else if (strcmp(data, "f") == 0) {
if (this->Faces.size() == 2)
int qwe = 0;
char faceData[100000]; //Face data
Face myFace;
while (true) {
ifs >> faceData; //Extract next data
if (ContainSlash(faceData, 100000)) { //Check if data is valid
char Vertexindx[15];
char Textureindx[15];
char Normalindx[15];
ExtractVertexIdx(faceData, Vertexindx);
ExtractTextureIdx(faceData, Textureindx);
ExtractNormalIdx(faceData, Normalindx);
int vIndex = atoi(Vertexindx);
//cout << "VIndex: " << atoi(Vertexindx) << endl;
int tIndex = atoi(Textureindx);
//cout << "TIndex: " << atoi(Textureindx) << endl;
int nIndex = atoi(Normalindx);
//cout << "NIndex: " << atoi(Normalindx) << endl << endl;
myFace.VertexIndex.push_back(vIndex);
myFace.TextureIndex.push_back(tIndex);
myFace.NormalIndex.push_back(nIndex);
}
else {
this->Faces.push_back(myFace); //INVALID face data
ifs.unget();
break;
}
}
}
}
}
//RENDERING OBJ FILE
void Render(GLuint _Texture)
{
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, _Texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glPushMatrix();
glTranslatef(this->X, this->Y, this->Z);
glColor3f(1.0, 1.0, 1.0);
glLineWidth(1);
for (int i = 0; i < Faces.size(); i++)
{
glBegin(GL_POLYGON);
for (int j = 0; j < Faces[i].NormalIndex.size(); j++)
{
int Normalindx = Faces[i].NormalIndex[j] - 1; //Get the normal
float x, y, z;
x = Normals[Normalindx].x;
y = Normals[Normalindx].y;
z = Normals[Normalindx].z;
glNormal3f(x, y, z);
int Textureindx = this->Faces[i].TextureIndex[j] - 1;
x = this->Textures[Textureindx].x;
y = this->Textures[Textureindx].y;
glTexCoord2f(x, y);
//Get the vertex
int Vertexindx = Faces[i].VertexIndex[j] - 1;
x = Vertices[Vertexindx].x;
y = Vertices[Vertexindx].y;
z = Vertices[Vertexindx].z;
glVertex3f(x, y, z);
}
glEnd();
}
glDisable(GL_TEXTURE_2D);
glPopMatrix();
}
};
//DECLARE MODELS
Model model[6],Camera_Obj;
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