bool ObjModel::loadMTLFile(const char* fileName) {
cout << "Loading material file: " << fileName << endl;
FILE* fp;
string* modelPath = getCvarAddress_S("r_modelPath");
string canonicalPath = *modelPath + "obj/" + fileName;
cout << "From file path: " << canonicalPath << endl;
if( !(fp=fopen(canonicalPath.c_str(), "r")) ) {
error = "OBJ Materials file not found";
Con_print("Obj: File not found - %s", canonicalPath.c_str());
return false;
}
MaterialManager* tm = getMaterialManager();
material_t* mat;
while( !feof(fp) ) {
char in[MAX_OBJ_LINE_LEN];
fgets(in, MAX_OBJ_LINE_LEN, fp);
char incpy[MAX_OBJ_LINE_LEN];
#ifdef OBJMATDEBUG
cout << "MAT Line: " << in << endl;
#endif
strcpy(incpy, in);
// if its a comment or whitespace skip it
if( in[0] == '#' || in[0] == ' ' || in[0] == '\n' ||
in[0] == '\r' || in[0] == '\t')
continue;
else { // otherwise we need to process some data
char* token = strtok(in, WHITESPACE);
if( token == NULL )
break;
if( !strcmp(token, "newmtl") ) {
material_t* newmat = new material_t;
initializeMaterial(newmat);
token = strtok(NULL, WHITESPACE);
if( !tm->hasMaterial(token) ) {
tm->addMaterial(token, newmat);
mat = newmat;
#ifdef OBJMATDEBUG
cout << "New material created: " << token << endl;
#endif
}
else {
#ifdef OBJMATDEBUG
cout << "MTL Error: Material redefinition: " << token << endl;
#endif
}
}
else if( !strcmp(token, "Ns") ) {
sscanf(incpy, "Ns %f", &mat->Ns);
}
else if( !strcmp(token, "Ka") ) {
sscanf(incpy, "Ka %f %f %f", &mat->Ka[0], &mat->Ka[1], &mat->Ka[2]);
}
else if( !strcmp(token, "Kd") ) {
sscanf(incpy, "Kd %f %f %f", &mat->Kd[0], &mat->Kd[1], &mat->Kd[2]);
}
else if( !strcmp(token, "Ks") ) {
sscanf(incpy, "Ks %f %f %f", &mat->Ks[0], &mat->Ks[1],& mat->Ks[2]);
}
else if( !strcmp(token, "Ni") ) {
sscanf(incpy, "Ni %f", &mat->Ni);
}
else if( !strcmp(token, "d") ) {
sscanf(incpy, "d %f", &mat->d);
}
else if( !strcmp(token, "illum") ) {
sscanf(incpy, "illum %d", &mat->illum);
}
else if( !strcmp(token, "map_Kd") ) {
token = strtok(NULL, WHITESPACE);
strcpy(mat->map_Kd, token);
#ifdef OBJMATDEBUG
cout << "Loading texture: " << mat->map_Kd << endl;
#endif
getMaterialManager()->loadBitmap(mat->map_Kd);
}
}
}
fclose(fp);
return true;
}
void WFLoader::parseMaterialFile( const char *line )
{
/* Variables
*/
char tempStr[20] = "\0";
MaterialManager *matMngrPtr = NULL;
MaterialData matData;
float r, g, b;
/* Code
*/
matMngrPtr = MaterialManager::getInstance();
if( strlen( line ) > 0 )
{
if( line[ 0 ] == 'n' )
{
sscanf( line, "%s", tempStr );
/* Material name */
if( strcmp( tempStr, "newmtl" ) == 0 )
{
sscanf( line, "%*s %s", m_CurrentMatName );
matMngrPtr->addMaterial( m_CurrentMatName, matData );
}
}
else if( line[ 0 ] == 'N' )
{
switch( line[ 1 ] )
{
case 's':
/* Specular exponent ( shininess ) */
sscanf( line, "%*s %f", &r );
/* Even though Color4f is used, only the value of r gets
saved into the Material values */
matMngrPtr->setValue( m_CurrentMatName,
MaterialManager::MAT_SHININESS,
Color4f( r, 0.0, 0.0, 1.0 ) );
break;
}
}
/* Reflectivity information */
else if( line[ 0 ] == 'K' )
{
switch( line[ 1 ] ) //if( line[ 1 ] == 'a' )
{
case 'a':
/* Ambient */
sscanf( line, "%*s %f %f %f", &r, &g, &b );
matMngrPtr->setValue( m_CurrentMatName,
MaterialManager::MAT_AMBIENT,
Color4f( r, g, b, 1.0 ) );
break;
case 'd':
/* Diffuse */
sscanf( line, "%*s %f %f %f", &r, &g, &b );
matMngrPtr->setValue( m_CurrentMatName,
MaterialManager::MAT_DIFFUSE,
Color4f( r, g, b, 1.0 ) );
break;
case 's':
/* Specular */
sscanf( line, "%*s %f %f %f", &r, &g, &b );
matMngrPtr->setValue( m_CurrentMatName,
MaterialManager::MAT_SPECULAR,
Color4f( r, g, b, 1.0 ) );
break;
}
}
}
}
