/**
* import umdraw mesh list
*/
bool UMSoftwareIO::import_mesh_list(UMMeshList& dst, const umio::UMObjectPtr src, const umstring& absolute_file_path)
{
if (!src) return false;
bool result = false;
umio::UMMesh::IDToMeshMap::iterator it = src->mutable_mesh_map().begin();
for (; it != src->mutable_mesh_map().end(); ++it)
{
umio::UMMesh& ummesh = it->second;
UMMeshPtr mesh(std::make_shared<UMMesh>());
dst.push_back(mesh);
result = true;
sort_by_material(ummesh);
load_material(absolute_file_path, mesh, ummesh);
load_vertex_index(mesh, ummesh);
load_vertex(mesh, ummesh);
load_normal(mesh, ummesh);
load_uv(mesh, ummesh);
load_skin(mesh, ummesh);
mesh->update_box();
}
return result;
}
obj_loader::obj_loader(string file_name) : movable()
{
sc_x = 1;
sc_y = 1;
sc_z = 1;
init(0,0,0,0,1,0);
load_object(file_name);
string material_file = file_name.substr(0, file_name.length() - 4);
load_material(material_file.append(".mtl"));
}
/**
* FbxNode からメッシュ情報を再帰的に読み込む
*
* @param node FbxNode
*/
void FbxFileLoader::load_mesh_recursive( FbxNode* node )
{
load_mesh( node->GetMesh() );
// std::cout << "material count : " << node->GetMaterialCount() << std::endl;
for ( int n = 0; n < node->GetMaterialCount(); n++ )
{
fbx_material_index_ = n;
load_material( node->GetMaterial( n ) );
}
for ( int n = 0; n < node->GetChildCount(); n++ )
{
load_mesh_recursive( node->GetChild( n ) );
}
}
struct model *load_obj_model(char *filename)
{
char dirname[1024];
char line[200];
struct model *model;
struct mesh *curmesh = NULL;
int fvp[20], fvt[20], fvn[20];
char *p, *s;
int i, n;
FILE *fp;
strlcpy(dirname, filename, sizeof dirname);
p = strrchr(dirname, '/');
if (!p) p = strrchr(dirname, '\\');
if (p) *p = 0;
else strlcpy(dirname, ".", sizeof dirname);
printf("loading obj model: %s\n", filename);
fp = fopen(filename, "r");
if (!fp) {
fprintf(stderr, "error: cannot load model '%s'\n", filename);
return NULL;
}
model = malloc(sizeof(struct model));
memset(model, 0, sizeof(struct model));
model->min[0] = model->min[1] = model->min[2] = 1e10;
model->max[0] = model->max[1] = model->max[2] = -1e10;
model->radius = 0;
while (1) {
if (!fgets(line, sizeof line, fp))
break;
s = strtok(line, SEP);
if (!s) {
continue;
} else if (!strcmp(s, "v")) {
char *x = strtok(NULL, SEP);
char *y = strtok(NULL, SEP);
char *z = strtok(NULL, SEP);
add_position(model, atof(x), atof(y), atof(z));
} else if (!strcmp(s, "vt")) {
char *u = strtok(NULL, SEP);
char *v = strtok(NULL, SEP);
add_texcoord(model, atof(u), atof(v));
} else if (!strcmp(s, "vn")) {
char *x = strtok(NULL, SEP);
char *y = strtok(NULL, SEP);
char *z = strtok(NULL, SEP);
add_normal(model, atof(x), atof(y), atof(z));
} else if (!strcmp(s, "f")) {
n = 0;
s = strtok(NULL, SEP);
while (s) {
if (*s) {
splitfv(s, fvp+n, fvt+n, fvn+n);
n++;
}
s = strtok(NULL, SEP);
}
for (i = 1; i < n - 1; i++) {
add_triangle(curmesh,
fvp[0], fvt[0], fvn[0],
fvp[i], fvt[i], fvn[i],
fvp[i+1], fvt[i+1], fvn[i+1]);
}
} else if (!strcmp(s, "mtllib")) {
s = strtok(NULL, SEP);
model->material = load_material(dirname, s);
} else if (!strcmp(s, "usemtl")) {
s = strtok(NULL, SEP);
curmesh = find_mesh(model, s);
}
}
model->radius = sqrtf(model->radius);
fclose(fp);
return model;
}
void initScene()
{
cubeShader = new Shader( "basic.vert", "basic.frag" );
lampShader = new Shader( "basic.vert", "lamp.frag" );
glClearColor( 0.2f, 0.2f, 0.3f, 1.0f );
glEnable( GL_DEPTH_TEST );
//--------------------------------------------------
// Geometry
//--------------------------------------------------
// cube
glGenVertexArrays( 1, &cubeVAO );
glGenBuffers( 1, &VBO );
glBindVertexArray( cubeVAO );
{
// vbo
glBindBuffer( GL_ARRAY_BUFFER, VBO );
glBufferData( GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW );
// position
glEnableVertexAttribArray( 0 );
glVertexAttribPointer( 0, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(GLfloat), (GLvoid*)0 );
// normals
glEnableVertexAttribArray( 1 );
glVertexAttribPointer( 1, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(GLfloat), (GLvoid*)(3 * sizeof(GLfloat)) );
}
glBindVertexArray( 0 );
glBindBuffer( GL_ARRAY_BUFFER, 0 );
// lamp
glGenVertexArrays( 1, &lampVAO );
glBindVertexArray( lampVAO );
{
glBindBuffer( GL_ARRAY_BUFFER, VBO );
// positions
glEnableVertexAttribArray( 0 );
glVertexAttribPointer( 0, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(GLfloat), (GLvoid*)0 );
}
glBindVertexArray( 0 );
cubeShader->use();
uniformLocLightColor = glGetUniformLocation( cubeShader->program, "lightColor" );
uniformLocObjectColor = glGetUniformLocation( cubeShader->program, "objectColor" );
glUniform3f( uniformLocLightColor, 1.0f, 1.0f, 1.0f );
glUniform3f( uniformLocObjectColor, 0.5f, 0.2f, 0.0f );
//--------------------------------------------------
// Textures
//--------------------------------------------------
/*
glGenTextures( 1, &texture1 );
glBindTexture( GL_TEXTURE_2D, texture1 );
//glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT );
//glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
int width, height;
unsigned char* image = SOIL_load_image( "../../container.jpg", &width, &height, 0, SOIL_LOAD_RGB );
glTexImage2D( GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, image );
glGenerateMipmap( GL_TEXTURE_2D );
SOIL_free_image_data( image );
glBindTexture( GL_TEXTURE_2D, 0 );
// second texture
glGenTextures( 1, &texture2 );
glBindTexture( GL_TEXTURE_2D, texture2 );
image = SOIL_load_image( "../../awesomeface.png", &width, &height, 0, SOIL_LOAD_RGB );
glTexImage2D( GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, image );
glGenerateMipmap( GL_TEXTURE_2D );
SOIL_free_image_data( image );
glBindTexture( GL_TEXTURE_2D, 0 );
*/
//--------------------------------------------------
// MVP Matrix
//--------------------------------------------------
// setup camera
camera = new Camera( glm::vec3(1.0f,0.0f,3.0f), // position
glm::vec3(0.0f,0.0f,-1.0f), // front
glm::vec3(0.0f,1.0f,0.0f), // up
45.0f, // fov
0.1f, // near
100.0f ); // far
model = glm::mat4(1.0f);
view = glm::mat4(1.0f);
view = glm::lookAt(camera->getPos(), camera->getPos() + camera->getFront(), camera->getUp() );
projection = glm::mat4(1.0f);
projection = glm::perspective( camera->getFov(), (GLfloat)WIN_WIDTH/WIN_HEIGHT, camera->getNear(),
camera->getFar() );
cubeShader->use();
uniformLocView = glGetUniformLocation( cubeShader->program, "V" );
glUniformMatrix4fv( glGetUniformLocation(cubeShader->program, "M"), 1, GL_FALSE, glm::value_ptr(model) );
glUniformMatrix4fv( uniformLocView, 1, GL_FALSE, glm::value_ptr(view) );
glUniformMatrix4fv( glGetUniformLocation(cubeShader->program, "P"), 1, GL_FALSE, glm::value_ptr(projection) );
// setup material
material = load_material( "./Materials/ruby.material" );
glUniform3f( glGetUniformLocation(cubeShader->program, "material.ambient"),
material->getAmbient().x,
material->getAmbient().y,
material->getAmbient().z
);
glUniform3f( glGetUniformLocation(cubeShader->program, "material.diffuse"),
material->getDiffuse().x,
material->getDiffuse().y,
material->getDiffuse().z
);
glUniform3f( glGetUniformLocation(cubeShader->program, "material.specular"),
material->getSpecular().x,
material->getSpecular().y,
material->getSpecular().z
);
glUniform1f( glGetUniformLocation(cubeShader->program, "material.shininess"), material->getShininess() );
// setup lighting parameters
lampPos = glm::vec3( 1.2f, 0.8f, -1.0f );
glUniform3f( glGetUniformLocation(cubeShader->program, "light.position"), lampPos.x, lampPos.y, lampPos.z );
glUniform3f( glGetUniformLocation(cubeShader->program, "light.ambient"), 0.5f, 0.5f, 0.5f );
glUniform3f( glGetUniformLocation(cubeShader->program, "light.diffuse"), 0.8f, 0.8f, 0.8f );
glUniform3f( glGetUniformLocation(cubeShader->program, "light.specular"), 1.0f, 1.0f, 1.0f );
// setup lamp vertices
lampShader->use();
uniformLocView = glGetUniformLocation( lampShader->program, "V" );
model = glm::mat4( 1.0f );
model = glm::translate( model, lampPos );
model = glm::scale( model, glm::vec3(0.2f, 0.2f, 0.2f) );
glUniformMatrix4fv( glGetUniformLocation(lampShader->program, "M"), 1, GL_FALSE, glm::value_ptr(model) );
glUniformMatrix4fv( uniformLocView, 1, GL_FALSE, glm::value_ptr(view) );
glUniformMatrix4fv( glGetUniformLocation(lampShader->program, "P"), 1, GL_FALSE, glm::value_ptr(projection) );
}
static bool load_objects(Lib3dsFile *file, Scene *scene) {
// load meshes
unsigned long poly_count = 0;
Lib3dsMesh *m = file->meshes;
while(m) {
Lib3dsNode *node = lib3ds_file_node_by_name(file, m->name, LIB3DS_OBJECT_NODE);
if(!node) {
warning("object \"%s\" does not have a corresponding node!", m->name);
}
Vector3 node_pos = node ? CONV_VEC3(node->data.object.pos) : Vector3();
Quaternion node_rot = node ? CONV_QUAT(node->data.object.rot) : Quaternion();
Vector3 node_scl = node ? CONV_VEC3(node->data.object.scl) : Vector3(1,1,1);
Vector3 pivot = node ? CONV_VEC3(node->data.object.pivot) : Vector3();
// load the vertices
Vertex *varray = new Vertex[m->points];
Vertex *vptr = varray;
for(int i=0; i<(int)m->points; i++) {
vptr->pos = CONV_VEC3(m->pointL[i].pos) - node_pos;
vptr->pos.transform(node_rot);
if(m->texels) {
vptr->tex[0] = vptr->tex[1] = CONV_TEXCOORD(m->texelL[i]);
}
vptr++;
}
if(m->faces) {
poly_count += m->faces;
// -------- object ---------
Object *obj = new Object;
obj->set_dynamic(false);
obj->name = m->name;
obj->set_position(node_pos - pivot);
obj->set_rotation(node_rot);
obj->set_scaling(node_scl);
obj->set_pivot(pivot);
// load the polygons
Triangle *tarray = new Triangle[m->faces];
Triangle *tptr = tarray;
for(int i=0; i<(int)m->faces; i++) {
*tptr = CONV_TRIANGLE(m->faceL[i]);
tptr->normal = CONV_VEC3(m->faceL[i].normal);
tptr->smoothing_group = m->faceL[i].smoothing;
tptr++;
}
// set the geometry data to the object
obj->get_mesh_ptr()->set_data(varray, m->points, tarray, m->faces);
obj->get_mesh_ptr()->calculate_normals();
delete [] tarray;
// load the material
load_material(file, m->faceL[0].material, obj->get_material_ptr());
// load the keyframes (if any)
if(load_keyframes(file, m->name, LIB3DS_OBJECT_NODE, obj)) {
obj->set_position(Vector3());
obj->set_rotation(Quaternion());
obj->set_scaling(Vector3(1, 1, 1));
}
scene->add_object(obj);
} else {
// --------- curve ------------
Curve *curve = new CatmullRomSplineCurve;
curve->name = m->name;
Vector3 offs = node_pos - pivot;
for(int i=0; i<(int)m->points; i++) {
curve->add_control_point(varray[i].pos + offs);
}
scene->add_curve(curve);
}
delete [] varray;
m = m->next;
}
scene->set_poly_count(poly_count);
return true;
}
