int objLoader::load(const char * filename)
{
int no_error = 1;
no_error = parse_obj_scene(&data, filename);
if(no_error)
{
populate(data);
}
return no_error;
}
int objLoader::loadFromString(std::string objText)
{
int no_error = 1;
no_error = parse_obj_scene(&data, objText);
if(no_error)
{
populate(data);
}
return no_error;
}
int objLoader::
load(char *filename)
{
int no_error = 1;
no_error = parse_obj_scene(&data, filename);
if(no_error) {
this->vertexCount = data.vertex_count;
this->normalCount = data.vertex_normal_count;
this->textureCount = data.vertex_texture_count;
this->faceCount = data.face_count;
this->sphereCount = data.sphere_count;
this->planeCount = data.plane_count;
this->lightPointCount = data.light_point_count;
this->lightDiscCount = data.light_disc_count;
this->lightQuadCount = data.light_quad_count;
this->materialCount = data.material_count;
this->vertexList = data.vertex_list;
this->normalList = data.vertex_normal_list;
this->textureList = data.vertex_texture_list;
this->faceList = data.face_list;
this->sphereList = data.sphere_list;
this->planeList = data.plane_list;
this->lightPointList = data.light_point_list;
this->lightDiscList = data.light_disc_list;
this->lightQuadList = data.light_quad_list;
this->materialList = data.material_list;
this->camera = data.camera;
}
return no_error;
}
void Initialize()
{
int k, i;
int success;
int vert, indx;
/* Load OBJ models */
char* filename[15];
filename[0] = "models/ring.obj";
filename[1] = "models/bar_01.obj";
filename[2] = "models/bar_02.obj";
filename[3] = "models/bar_03.obj";
filename[4] = "models/bar_04.obj";
filename[5] = "models/cone.obj";
filename[6] = "models_n/ball_01.obj";
filename[7] = "models_n/ball_02.obj";
filename[8] = "models/cone_small.obj";
filename[9] = "models/rectangle_small.obj";
filename[10] = "models/rectangle_big.obj";
filename[11] = "models_n/elliptic_ring.obj";
filename[12] = "models/ellipse.obj";
filename[13] = "models_n/stand.obj";
filename[14] = "models_n/surrounding.obj";
for(k=0; k<model_count; ++k){
success = parse_obj_scene(&data[k], filename[k]);
if(!success)
printf("Could not load file. Exiting.\n");
}
/* Copy mesh data from structs into appropriate arrays */
for(k=0; k<model_count; ++k){
vert = data[k].vertex_count;
indx = data[k].face_count;
vertex_buffer_data[k] = (GLfloat*) calloc (vert*3, sizeof(GLfloat));
index_buffer_data[k] = (GLushort*) calloc (indx*3, sizeof(GLushort));
/* Vertices */
for(i=0; i<vert; i++)
{
vertex_buffer_data[k][i*3] = (GLfloat)(*data[k].vertex_list[i]).e[0] ;
vertex_buffer_data[k][i*3+1] = (GLfloat)(*data[k].vertex_list[i]).e[1];
vertex_buffer_data[k][i*3+2] = (GLfloat)(*data[k].vertex_list[i]).e[2];
}
/* Indices */
for(i=0; i<indx; i++){
index_buffer_data[k][i*3] = (GLushort)(*data[k].face_list[i]).vertex_index[0];
index_buffer_data[k][i*3+1] = (GLushort)(*data[k].face_list[i]).vertex_index[1];
index_buffer_data[k][i*3+2] = (GLushort)(*data[k].face_list[i]).vertex_index[2];
}
}
/* Set background (clear) color to blue */
glClearColor(0.1, 0.2, 0.5, 0.0);
/* Setup Vertex array object - INTEL FIX*/
GLuint VAO;
glGenVertexArrays(1, &VAO);
glBindVertexArray(VAO);
/* Enable depth testing */
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
/* Setup vertex, color, and index buffer objects */
SetupDataBuffers();
/* Setup shaders and shader program */
CreateShaderProgram();
/* Initialize matrices */
SetIdentityMatrix(ProjectionMatrix);
SetIdentityMatrix(ViewMatrix);
// set all Model matrices
for(k=0; k<model_count; ++k){
SetIdentityMatrix(ModelMatrix[k]);
}
/* Initialize animation matrices */
SetIdentityMatrix(RotationMatrixAnimX);
SetIdentityMatrix(RotationMatrixAnimY);
SetIdentityMatrix(RotationMatrixAnimZ);
SetIdentityMatrix(RotationMatrixAnim);
/* Set projection transform */
SetPerspectiveMatrix(fovy, aspect, nearPlane, farPlane, ProjectionMatrix);
/* Set initial viewing transform */
SetTranslation(0.0, 0.0, camera_disp, ViewMatrix); // camera_disp == z coordinate of camera
}
