function calculate_box($lat, $lon, $wide)
{
$lat_unit_distance = calculate_distance($lat, $lon, $lat + 1, $lon);
$lat_delta = $wide / (2 * $lat_unit_distance);
$lon_unit_distance = calculate_distance($lat, $lon, $lat, $lon + 1);
$lon_delta = $wide / (2 * $lon_unit_distance);
return array($lat - $lat_delta, $lon - $lon_delta, $lat + $lat_delta, $lon + $lon_delta);
}
protected function calculate_distance($lat1, $lng1, $lat2, $lng2, $miles = FALSE)
{
if (defined('STRICT_TYPES') && CAMEL_CASE == '1') {
return (double) self::parameters(['lat1' => DT::FLOAT, 'lng1' => DT::FLOAT, 'lat2' => DT::FLOAT, 'lng2' => DT::FLOAT, 'miles' => DT::BOOL])->call(__FUNCTION__)->with($lat1, $lng1, $lat2, $lng2, $miles)->returning(DT::FLOAT);
} else {
return (double) calculate_distance($lat1, $lng1, $lat2, $lng2, $miles);
}
}
public function testCheckDistance()
{
$lat_one = 50;
$lng_one = -10;
$lat_two = 30;
$lng_two = -5;
$distance = calculate_distance($lat_one, $lng_one, $lat_two, $lng_two);
$this->assertEquals(2265.57, $distance);
}
function get_thing_near_node($lat, $lon, $max_distance, $q1, $q2)
{
$square = calculate_box($lat, $lon, $max_distance * 2);
$halts = mysql_query(sprintf($q1, $square[0], $square[2], $square[1], $square[3]));
$railways = array();
while ($halt = mysql_fetch_assoc($halts)) {
$distance = calculate_distance($lat, $lon, $halt['lat'], $halt['lon']);
if ($distance > $max_distance) {
continue;
}
$railway_ids_query = mysql_query(sprintf($q2, $halt['id']));
while (list($railway_id, $ordering) = mysql_fetch_row($railway_ids_query)) {
if (!isset($railways[$railway_id]) || $distance < $railways[$railway_id]['distance']) {
$railways[$railway_id] = array('distance' => $distance, 'node' => $halt, 'ordering' => $ordering);
}
}
}
return $railways;
}
function process_data($resource)
{
$customers_in_range = [];
$line_number = 0;
while ($line = fgets($resource)) {
$line_number++;
$customer = json_decode($line);
if (!$customer) {
echo "Unable to parse record on line {$line_number}\n";
continue;
}
//check distance
$distance = calculate_distance($_ENV['office_lat'], $_ENV['office_lng'], $customer->latitude, $customer->longitude);
if ($distance < 100) {
//add customer to list
$customer->distance = $distance;
$customers_in_range[$customer->user_id] = $customer;
}
}
return $customers_in_range;
}
/**
* This function is useful only when there's a railway with the same ordering for two points.
**/
function is_way_inverted($railway_id, $type, $from_railway, $to_railway)
{
$railway_ways_func = "get_" . $type . "_ways";
$railway_by_ordering_func = "get_" . $type . "_way_by_ordering";
$actual_way = $railway_by_ordering_func($railway_id, $from_railway['ordering']);
// Looks for the previous way if it exists. Otherwise, finds the next one and change de comparision order.
if ($from_railway['ordering'] > RAILWAY_MIN_ORDERING) {
$previous_way = $railway_by_ordering_func($railway_id, $from_railway['ordering'] - 1);
$reference_node = get_node_from_way_ids($actual_way, $previous_way);
$invert_comparision = false;
} else {
$next_way = $railway_by_ordering_func($railway_id, $from_railway['ordering'] + 1);
$reference_node = get_node_from_way_ids($actual_way, $next_way);
$invert_comparision = true;
}
$from2reference_distance = calculate_distance($from_railway["node"]["lat"], $from_railway["node"]["lon"], $reference_node["lat"], $reference_node["lon"]);
$to2reference_distance = calculate_distance($to_railway["node"]["lat"], $to_railway["node"]["lon"], $reference_node["lat"], $reference_node["lon"]);
if ($from2reference_distance > $to2reference_distance ^ $invert_comparision) {
return true;
}
return false;
}
function suburb($lat = 0, $lon = 0)
{
// header('content-type: text/plain');
require_once 'lib/idiorm.php';
$databaseName = "govhack15";
ORM::configure("mysql:host=mysql02.c7vaazdx09rf.ap-southeast-2.rds.amazonaws.com;dbname={$databaseName}");
ORM::configure('username', 'ben');
ORM::configure('password', 'Password1');
// 4 queries for all 4 vector directions
// $q1 = ORM::for_table('locations')->find_many();
// var_dump($q1);
$q1 = ORM::for_table('locations')->select_many('suburb', 'lat', 'lon')->where_gte('lat', $lat)->where_gte('lon', $lon)->limit(5)->order_by_asc('lat')->order_by_asc('lon')->find_many();
$q2 = ORM::for_table('locations')->select_many('suburb', 'lat', 'lon')->where_gte('lat', $lat)->where_lt('lon', $lon)->limit(5)->order_by_asc('lat')->order_by_desc('lon')->find_many();
$q3 = ORM::for_table('locations')->select_many('suburb', 'lat', 'lon')->where_lt('lat', $lat)->where_gte('lon', $lon)->limit(5)->order_by_desc('lat')->order_by_asc('lon')->find_many();
$q4 = ORM::for_table('locations')->select_many('suburb', 'lat', 'lon')->where_lt('lat', $lat)->where_lt('lon', $lon)->limit(5)->order_by_desc('lat')->order_by_desc('lon')->find_many();
// Select closest long
$closest = false;
$smallestStraightLineDist = 9999;
foreach (array($q1, $q2, $q3, $q4) as $resultSet) {
foreach ($resultSet as $record) {
$thisSuburbDist = calculate_distance($lat, $lon, $record->lat, $record->lon);
// echo "Checking $record->suburb, $record->lat, $record->lon, dist $thisSuburbDist m", PHP_EOL;
if ($thisSuburbDist < $smallestStraightLineDist) {
$smallestStraightLineDist = $thisSuburbDist;
$closest = $record;
// echo "---- NEW CLOSEST FOUND, $record->suburb", PHP_EOL;
}
}
}
// Now we have the closest suburb
$final = ORM::for_table('locations')->where('suburb', $closest->suburb)->find_array();
// echo "final", PHP_EOL;
// var_dump($final);
return $final[0];
// json encode it later
}
$maxDistance = $r['total'];
}
}
if ($maxDistance > 0) {
foreach ($reindeer as $i => $r) {
if ($r['total'] >= $maxDistance) {
$reindeer[$i]['points']++;
}
}
}
} while ($sec < $seconds);
return $reindeer;
}
$max = 0;
$part2 = star2($reindeer, $total);
foreach ($reindeer as &$item) {
$item['total'] = calculate_distance($item, $total);
if ($max < $item['total']) {
$max = $item['total'];
}
}
$m2 = 0;
foreach ($part2 as $item) {
if ($m2 < $item['points']) {
$m2 = $item['points'];
}
}
//print_r($reindeer);
echo "MAX: {$max}\n";
echo "PART@: {$m2}";
//print_r($part2);
function is_in_scanrange($uid, $sid)
{
global $uid;
// erstmal check ob eine eigene bzw. allieerte flotte im system ist
$is_in_range = false;
if (is_a_fleet_in_system($uid, $sid)) {
$is_in_range = true;
} else {
// flotten von alliierten im system?
$allied = get_allied_ids($uid);
for ($i = 0; $i < sizeof($allied); $i++) {
if (is_a_fleet_in_system($allied[$i], $sid)) {
$is_in_range = true;
break;
}
}
// ist es denn wenigstens in irgendeinem scanradius des users oder eines allierten?
if (!$is_in_range) {
$sth = mysql_query("select max(radius) from scanradius");
if (!$sth || mysql_num_rows($sth) == 0) {
return 0;
}
$max_scanrange = mysql_fetch_row($sth);
$systems = get_systems_in_scanrange($sid, $max_scanrange[0]);
for ($i = 0; $i < sizeof($systems); $i++) {
$own_star = is_own_star($systems[$i]);
// auch ob er alliiert ist
if ($own_star) {
// nen gebäude mit ner aussreichenden scanrange?
$sth = mysql_query("select p.uid,p.id,s.x,s.y from planets as p, systems as s where p.sid='{$systems[$i]}' and s.id='{$systems[$i]}'");
if (!$sth) {
return 0;
}
while ($planets = mysql_fetch_array($sth)) {
if ($planets["uid"] == $uid || is_allied($uid, $planets["uid"])) {
$planets_scan_range = get_max_scan_range_by_pid($planets["id"]);
if ($planets_scan_range) {
$system_coords = get_system_coords($sid);
$system_x = substr($system_coords, 0, strpos($system_coords, ":"));
$system_y = substr($system_coords, strpos($system_coords, ":") + 1);
$entfernung = calculate_distance($planets["x"], $planets["y"], $system_x, $system_y);
if ($entfernung <= $planets_scan_range) {
$is_in_range = true;
}
}
}
}
}
// end if
// oder vielleicht ne flotte?
if (!$is_in_range) {
// $sth = mysql_query("select s.radius,fi.uid,sy.x,sy.y from scanradius as s,systems as sy, fleet as f, fleetinfo as fi where f.prod_id = s.prod_id and f.fid = fi.fid and fi.sid='$systems[$i]' and and sy.id='$systems[$i]'");
$sth = mysql_query("select fid, uid, sid from fleet_info where sid=" . $systems[$i] . "");
if (!$sth) {
return 0;
}
if (mysql_num_rows($sth) != 0) {
while ($flotten = mysql_fetch_array($sth)) {
if ($flotten["uid"] == $uid || is_allied($uid, $flotten["uid"])) {
$sth2 = mysql_query("select max(s.radius) from scanradius as s, fleet as f where f.fid=" . $flotten["fid"] . " and f.prod_id=s.prod_id");
$fleet_scan_range = mysql_fetch_row($sth2);
if ($fleet_scan_range) {
$system_coords = get_system_coords($sid);
$system_x = substr($system_coords, 0, strpos($system_coords, ":"));
$system_y = substr($system_coords, strpos($system_coords, ":") + 1);
$fleet_coords = get_system_coords($flotten["{$sid}"]);
$fleet_x = substr($fleet_coords, 0, strpos($fleet_coords, ":"));
$fleet_y = substr($fleet_coords, strpos($fleet_coords, ":") + 1);
$entfernung = calculate_distance($fleet_x, $fleet_y, $system_x, $system_y);
if ($entfernung <= $fleet_scan_range) {
$is_in_range = true;
}
}
}
}
}
//if (!$sth)
//return 0;
}
}
// end for
}
}
return $is_in_range;
}