return $this->db->insert_id;
}
+ public function update() {
+ $args = func_get_args();
+ $statement = $this->db->prepare(array_shift($args));
+ call_user_func_array(array($statement, 'bind_param'), &$args);
+ $statement->execute();
+ return $this->db->insert_id;
+ }
+
}
class universe {
public $rooms = array();
public function __construct($db) {
- $rooms = $db->query("SELECT id,x,y,state FROM rooms");
+ $rooms = $db->query('SELECT id,x,y,state FROM rooms');
if ($rooms) {
foreach ($rooms as $room) {
$this->rooms[$room['x']][$room['y']] =
}
private function join() {
- $x = 0;
- $y = 0;
- if (isset($_SESSION['id'])) {
- $x = $this->player->x;
- $y = $this->player->y;
- $id = $this->player->id;
- } else {
- do {
- $x = rand(0, count($this->universe->rooms)-1);
- $y = rand(0, count($this->universe->rooms[0])-1);
- } while ($this->universe->rooms[$x][$y]['state']);
- $id = $this->insert('INSERT INTO players (name,room) VALUES(?,?)',
- 'si', 'majuscule', $this->universe->rooms[$x][$y]['id']);
- $_SESSION['id'] = $id;
- }
- return array('x' => $x, 'y' => $y, 'id' => $id);
+ $x = $y = 0;
+ do {
+ $x = rand(0, count($this->universe->rooms)-1);
+ $y = rand(0, count($this->universe->rooms[0])-1);
+ } while ($this->universe->rooms[$x][$y]['state']);
+ $id = $this->insert('INSERT INTO players (name,room) VALUES(?,?)',
+ 'si', $_GET['name'], $this->universe->rooms[$x][$y]['id']);
+ $_SESSION['id'] = $id;
+ //$others = $this->query('SELECT id, room FROM players WHERE id != ?', 'i', $this->player->id);
+ return array('x' => $x, 'y' => $y, 'id' => $id, 'poll' => $this->poll());
}
private function yell($msg) {
+ if (!$msg) $this->error('400', 'expected `msg` field');
$this->insert(
'INSERT INTO messages (message,type,room,source) VALUES(?,?,?,?)',
'ssii', $msg, 'yell', $this->player->room, $this->player->id);
}
-// private function tell($msg) {
-// // lookup dest
-// $this->insert(
-// 'INSERT INTO messages (message,type,room,source) VALUES(?,?,?,?)',
-// 'ssii', $msg, 'tell', $this->player->room, $this->player->id);
-// }
-
private function say($msg) {
+ if (!$msg) $this->error('400', 'expected `dest` field');
$this->insert(
'INSERT INTO messages (message,type,room,source) VALUES(?,?,?,?)',
'ssii', $msg, 'say', $this->player->room, $this->player->id);
}
- private function move() {
- // ahhhhhhhhhhhhhhhhhhhh
+ private function tell($dest, $msg) {
+ if (!$dest || !$msg) $this->error('400', 'expected `dest` and `msg` fields');
+ $player = $this->query('SELECT id FROM players where name = ?', 's', $dest);
+ if (!($player && $player['id']))
+ $this->error(400, "could not find a player with `name` == $dest");
+ $this->insert(
+ 'INSERT INTO messages (message,type,destination,source) VALUES(?,?,?,?)',
+ 'ssii', $msg, 'say', $player['id'], $this->player->id);
+ }
+
+ private function move($direction) {
+ $directions = array(
+ 'north' => array('x' => $this->player->x, 'y' => $this->player->y-1),
+ 'east' => array('x' => $this->player->x+1, 'y' => $this->player->y),
+ 'south' => array('x' => $this->player->x, 'y' => $this->player->y+1),
+ 'west' => array('x' => $this->player->x-1, 'y' => $this->player->y),
+ );
+ if ($directions[$direction]) {
+ $rooms = $this->query(
+ 'SELECT id, state, description FROM rooms WHERE x = ? and y = ?',
+ 'ii', $directions[$direction]['x'], $directions[$direction]['y']);
+ if ($rooms[0] && !$rooms[0]['state']) {
+ $this->update('UPDATE players SET room = ? WHERE players.id = ?',
+ 'si', $rooms[0]['id'], $this->player->id);
+ return array('description' => $rooms[0]['description']);
+ } else {
+ $this->error(403, 'your path is blocked');
+ }
+ } else
+ $this->error(400, 'expected `direction` field with value {north|east|south|west}');
}
private function poll() {
. ' OR (type = "tell" AND destination = ?)'
. ' OR (type = "say" AND messages.room = ?))',
'iii', $time, $this->player->id, $this->player->room);
+ $players = $this->query(
+ 'SELECT players.id, name, x ,y '
+ . 'FROM players JOIN rooms '
+ . 'ON players.room = rooms.id');
$_SESSION['last_polled'] = time();
- return $messages;
+ return array('messages' => $messages, 'players' => $players);
}
public function response($content) {
public function command($cmd) {
if (!$_GET['cmd'])
$this->error(400, 'Missing command: expected `cmd` field');
- if ($_GET['cmd'] != 'join' && $_GET['cmd'] != 'start' && !isset($_SESSION['id']))
+ if (($_GET['cmd'] != 'join' && $_GET['cmd'] != 'kick')
+ && $_GET['cmd'] != 'start' && !isset($_SESSION['id']))
$this->error(401, 'Missing user ID: please join first');
if (isset($_SESSION['id'])) $this->player = new player($this);
switch ($cmd) {
case 'start':
$this->response($this->universe->serialize());
-// $this->response($this->universe->serialize($_GET['restart']));
break;
case 'join':
$this->response($this->join());
break;
case 'move':
- $this->response(array('valid' => $this->move()));
+ $this->response($this->move($_GET['direction']));
break;
case 'tell':
- $this->tell();
+ $this->tell($_GET['msg']);
break;
case 'yell':
$this->yell($_GET['msg']);
break;
case 'say':
- $this->say();
+ $this->say($_GET['dest'], $_GET['msg']);
break;
case 'tell':
$this->tell();
break;
case 'poll':
- echo json_encode($this->poll());
+ $this->response($this->poll());
+ break;
+ case 'kick':
+ $this->update('DELETE FROM players');
break;
-// case 'respawn':
-// session_destroy()
-// session_start()
-// $this->response($this->join());
default:
$this->error(400, 'Unknown command');
}
private function error($status, $msg) {
header("HTTP/1.0 $status");
echo $msg;
+ exit;
}
}