public function __construct($filename, $directory = '')
{
$found = FALSE;
// Some OBJ files provide full relative pathname. Extract just the filename.
$path_info = pathinfo($filename);
$filename = $path_info['basename'];
$files = file_scan_directory($directory, '/.*' . $filename . '$/', array('recurse' => TRUE));
foreach ($files as $uri => $file) {
if ($file->filename != $filename) {
continue;
}
$found = TRUE;
$handle = fopen($uri, 'r');
$material = NULL;
$text = '';
while (($line = fgets($handle)) !== FALSE) {
$line = trim($line);
// Start of a new material.
// Store the old material first.
if (strpos($line, 'newmtl ') === 0) {
// Start a new material.
// First close the previous material.
if (!empty($text)) {
$material = new Material($text, $directory);
if ($error = $material->getError()) {
$this->error = $error;
return;
}
$this->materials[$material->name] = $material;
}
$text = $line;
} elseif (!empty($line) && strpos($line, '#') !== 0) {
$text .= PHP_EOL . $line;
}
}
// End of file. Create the material.
if (!empty($text)) {
$material = new Material($text, $directory);
if ($error = $material->getError()) {
$this->error = $error;
return;
}
$this->materials[$material->name] = $material;
}
}
if (!$found) {
$this->error = 'File ' . $filename . ' doesn\'t exist.';
return;
}
}
private function createMeshFromArray($input)
{
if ($input['type'] != 'mesh') {
$this->error = 'Supplied array does not represent a mesh.';
return;
}
if (!empty($input['name'])) {
$this->name = $input['name'];
}
if (!empty($input['data'])) {
$this->face_data = $input['data'];
}
if (!empty($input['material'])) {
$material = new Material($input['material']);
if ($error = $material->getError()) {
$this->error = $error;
return;
}
}
}
