function find_start_location($start, $lastLocation, $homeLocation, &$scene, &$startPosition, &$startLookAt)
{
$config =& get_config();
$defaultLocation = $config['default_location'];
$scene = null;
if (strtolower($start) == "last") {
if (isset($lastLocation)) {
log_message('debug', sprintf("Finding start location (last) for '%s'", $lastLocation->SceneID));
$scene = lookup_scene_by_id($lastLocation->SceneID);
if (isset($scene)) {
$startPosition = $lastLocation->Position;
$startLookAt = $lastLocation->LookAt;
return true;
}
}
}
if (strtolower($start) == "home") {
if (isset($homeLocation)) {
log_message('debug', sprintf("Finding start location (home) for '%s'", $homeLocation->SceneID));
$scene = lookup_scene_by_id($homeLocation->SceneID);
if (isset($scene)) {
$startPosition = $homeLocation->Position;
$startLookAt = $homeLocation->LookAt;
return true;
}
}
}
if (preg_match('/^uri:([a-zA-Z0-9\\s-_]+)&(\\d+)&(\\d+)&(\\d+)$/', $start, $matches)) {
log_message('debug', sprintf("Finding start location (custom: %s) for '%s'", $start, $matches[1]));
$scene = lookup_scene_by_name($matches[1]);
if (isset($scene)) {
$startPosition = new Vector3($matches[2], $matches[3], $matches[4]);
$startLookAt = new Vector3(1, 0, 0);
return true;
}
}
// Check to see if a valid default location has been set
if (preg_match('/^([a-zA-Z0-9\\s-_]+)\\/(\\d+)\\/(\\d+)\\/(\\d+)$/', $defaultLocation, $matches)) {
log_message('debug', sprintf("Finding start location (default: %s) for '%s'", $defaultLocation, $matches[1]));
$scene = lookup_scene_by_name($matches[1]);
if (isset($scene)) {
$startPosition = new Vector3($matches[2], $matches[3], $matches[4]);
$startLookAt = new Vector3(1, 0, 0);
return true;
}
} else {
log_message('info', 'No valid default_location set');
}
// Last resort lookup
$position = Vector3::Zero();
log_message('debug', sprintf("Finding start location (any: %s) for '%s'", $start, $position));
$scene = lookup_scene_by_position($position, true);
if (isset($scene)) {
$startPosition = new Vector3(($scene->MinPosition->X + $scene->MaxPosition->X) / 2 - $scene->MinPosition->X, ($scene->MinPosition->Y + $scene->MaxPosition->Y) / 2 - $scene->MinPosition->Y, 25);
$startLookAt = new Vector3(1, 0, 0);
return true;
}
return false;
}
function get_home_region($method_name, $params, $user_data)
{
$response = array();
$req = $params[0];
$userID = $req['userID'];
$response = array();
log_message('info', "get_home_region called with UserID {$userID}");
// Fetch the user
$user = get_user($userID);
if (empty($user)) {
log_message('warn', "Unknown UserID {$userID}");
$response['result'] = 'false';
return $response;
}
$homeLocation = null;
if (isset($user['HomeLocation'])) {
$homeLocation = SceneLocation::fromOSD($user['HomeLocation']);
}
log_message('debug', "User retrieval success for {$userID}, HomeLocation is {$homeLocation}");
$scene = null;
$position = null;
$lookat = null;
// If the user's home is set, try to grab info for that scene
if (isset($homeLocation)) {
log_message('debug', sprintf("Looking up scene '%s'", $homeLocation->SceneID));
$scene = lookup_scene_by_id($homeLocation->SceneID);
if (isset($scene)) {
$position = $homeLocation->Position;
$lookat = $homeLocation->LookAt;
}
}
// No home set, last resort lookup for *any* scene in the grid
if (!isset($scene)) {
$position = Vector3::Zero();
log_message('debug', "Looking up scene closest to '{$position}'");
$scene = lookup_scene_by_position($position, true);
if (isset($scene)) {
$position = new Vector3(($scene->MinPosition->X + $scene->MaxPosition->X) / 2 - $scene->MinPosition->X, ($scene->MinPosition->Y + $scene->MaxPosition->Y) / 2 - $scene->MinPosition->Y, 25);
$lookat = new Vector3(1, 0, 0);
}
}
if (isset($scene)) {
$response['result'] = 'true';
$response['uuid'] = $scene->SceneID;
$response['x'] = $scene->MinPosition->X;
$response['y'] = $scene->MinPosition->Y;
$response['region_name'] = $scene->Name;
$response['hostname'] = $scene->Address;
$response['http_port'] = $scene->ExtraData['ExternalPort'];
$response['internal_port'] = $scene->ExtraData['InternalPort'];
$response['position'] = (string) $position;
$response['lookAt'] = (string) $lookat;
log_message('debug', "Returning successful home lookup for {$userID}");
} else {
$response['result'] = 'false';
log_message('warn', "Failed to find a valid home scene for {$userID}, returning failure");
}
return $response;
}
