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<?php
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// $Id: arcade.module,v 1.2 2009/04/09 02:49:44 matt2000 Exp $
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/**
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* @file Arcade
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* Identify nodes as games and store Score info
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*/
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//Many older pnFlashGames ignore the pn_script variable and post to index.php anyway. So we catch that and redirect here:
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if (isset($_POST['game_protocol']) || (isset($_POST['module']) && $_POST['module'] == 'pnFlashGames')) {
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include_once(drupal_get_path('module','arcade') ."/gameserver.php");
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exit;
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}
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/**
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* Implementation of hook_perm
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*/
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function arcade_perm() {
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return array('view high scores');
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}
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/**
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* Implementation of hook_nodeapi().
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*/
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function arcade_nodeapi(&$node, $op, $teaser = NULL, $page = NULL) {
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if (!variable_get('is_game_'. $node->type, 0)) return; // we only work on nodes of types that might be games
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switch ($op) {
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case 'load':
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// The node is about to be loaded from the database. This hook can be used
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// to load additional data at this time.
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//get game data
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$game_data = db_fetch_object(db_query("SELECT * FROM {arcade_games} WHERE nid = %d", $node->nid));
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if (!empty($game_data)) {
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$node->is_game = 1;
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$node->game_type = $game_data->game_type;
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$node->game_path = $game_data->game_path;
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$node->arcade_secure = $game_data->secure;
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if ($node->type == 'flashnode') {
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$node->flashnode['orig_vars'] = $node->flashnode['flashvars'];
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global $user;
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$host = arcade_getDomain();
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if (!empty($node->flashnode['flashvars'])) { $node->flashnode['flashvars'] .= "&"; }
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if ($node->arcade_secure) {
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$checksum = arcade_get_checksum($node->flashnode['filepath']);
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$key = md5($checksum . time());
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$token = variable_get('arcade_token', FALSE);
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if (!$token) $token = arcade_token_generate();
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db_query("REPLACE INTO arcade_keys
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VALUES (%d, %d, '%s', '%s', %d)",
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$node->nid, $user->uid, $token, $key, time() );
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$secure_str = "&pn_checksum=". $checksum .
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"&pn_extravars=arcade~". $key .
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"|". $token . "~1";
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}
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$node->flashnode['flashvars'] .= "pn_gid=". $node->nid .
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"&pn_uname=". $user->name .
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"&pn_domain=". $host .
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"&pn_modvar=game_protocol";
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if (isset($secure_str)) $node->flashnode['flashvars'] .= $secure_str;
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}
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}
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break;
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case 'insert':
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// The node is being created (inserted in the database) or...
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case 'update':
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// The node is being updated.
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if (isset($node->flashnode['orig_vars'])) {
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$node->flashnode['flashvars'] = $node->flashnode['orig_vars'];
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}
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if (isset($node->is_game)) {
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db_query("DELETE FROM {arcade_games} WHERE nid=%d", $node->nid);
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}
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if ($node->is_game > 0) {
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db_query("INSERT INTO {arcade_games} (nid, game_type, game_path, secure) VALUES (%d, %d, '%s', %d)", $node->nid, $node->game_type, $node->game_path, $node->arcade_secure);
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}
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break;
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case 'presave':
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// The node passed validation and will soon be saved. Modules may use this
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// to make changes to the node before it is saved to the database.
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if ($node->is_game && $node->type == 'flashnode') {
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$node->flashnode['base'] = $node->game_path ? $node->game_path : base_path();
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}
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break;
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case 'delete':
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// The node is being deleted.
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db_query("DELETE FROM {arcade_games} WHERE nid=%d", $node->nid);
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db_query("DELETE FROM {arcade_data} WHERE nid=%d", $node->nid);
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break;
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}
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}
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/**
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* Helper function to generate token
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*/
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function arcade_token_generate() {
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$c = time();
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$s = db_result(db_query("SELECT pass FROM {users} WHERE uid = 1"));
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$i = mt_rand(0,23);
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$s = substr($s, $i, 8);
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$token = md5($s . $c);
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variable_set('arcade_last_token', $c);
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variable_set('arcade_token', $token);
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return $token;
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}
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/**
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* Implementation of hook_cron()
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*/
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function arcade_cron() {
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$now = time();
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if ($now - variable_get('arcade_last_token', 0) > 800) {
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arcade_token_generate();
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}
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db_query("DELETE FROM {arcade_keys} WHERE timestamp < %d", $now - 28800);
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}
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/**
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* Helper function to get domain to send to Flash element
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*/
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function arcade_getDomain() {
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global $HTTP_SERVER_VARS;
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if(!empty($HTTP_SERVER_VARS['HTTP_HOST'])){
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$server = $HTTP_SERVER_VARS['HTTP_HOST'];
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}else{
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$server = $_SERVER['HTTP_HOST'];
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}
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$url = "http://".$server."/";
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// get host name from URL
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preg_match("/^(http:\/\/)?([^\/]+)/i",
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$url, $matches);
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$host = $matches[2];
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$host = str_replace("www.", "", $host);
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return $host;
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}
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/**
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* Implementation of hook_form_alter().
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*/
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function arcade_form_alter(&$form, $form_state, $form_id) {
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if ($form_id == 'flashnode_node_form') {
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$node = $form['#node'];
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if (!isset($form['flashnode']['advanced']['#description'])) {
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$form['flashnode']['advanced'] ['#description'] = '';
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}
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$form['flashnode']['advanced']['#description'] .= t('IMPORTANT: If you intend to use this node as a pnFlashGame with Arcade module, these fields will be filled in for you. You must leave them blank.');
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if (isset($node->flashnode['orig_vars'])) {
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$form['flashnode']['advanced']['flashvars']['#default_value'] = $node->flashnode['orig_vars'];
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}
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}
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// Content type settings form.
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if ($form_id == 'node_type_form') {
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$form['arcade'] = array(
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'#type' => 'fieldset',
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'#title' => t('Arcade settings'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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);
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$form['arcade']['is_game'] = array(
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'#type' => 'radios',
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'#title' => t('Game?'),
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'#default_value' => variable_get('is_game_'. $form['#node_type']->type, 0),
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'#options' => array(0 => t('No'), 1 => t('Yes')),
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'#description' => t('Is this node type allowed to be a game?'),
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);
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}
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// Node edit form.
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if (isset($form['type'])) {
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$type = $form['type']['#value'];
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// If enabled adjust the form.
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if ($form_id == $type .'_node_form' && variable_get('is_game_'. $type, 0)) {
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$node = $form['#node'];
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$form['arcade'] = array(
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'#type' => 'fieldset',
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'#title' => t('Arcade Settings'),
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'#collapsible' => TRUE,
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'#collapsed' => isset($node->is_game) && empty($node->is_game),
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);
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$form['arcade']['is_game'] = array(
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'#type' => 'radios',
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'#title' => t('Game?'),
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'#default_value' => isset($node->is_game) ? $node->is_game : 0,
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'#options' => array(0 => t('No'), 1 => t('Yes')),
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'#description' => t('Is this node a game? (If you change from YES to NO, path & type will be lost.)'),
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);
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$form['arcade']['game_path'] = array(
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'#type' => 'textfield',
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'#title' => t('Path'),
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'#default_value' => isset($node->game_path) ? $node->game_path : NULL,
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'#description' => t('Path to game files. This is probably not required, for example if this is a Flashnode and your game is provided through a single SWF file identified by Flashnode module.')
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);
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$form['arcade']['game_type'] = array(
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'#type' => 'radios',
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'#title' => t('Game Type'),
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'#default_value' => empty($node->game_type) ? 1 : $node->game_type,
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'#options' => array(1 => t('High Score Wins'), 2 => t('Low Score Wins'), 3 => t('Longest Time Wins'), 4 => t('Shortest Time Wins') ),
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'#description' => t('How do we identify the Best scores for this game?'),
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);
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$form['arcade']['arcade_secure'] = array(
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'#type' => 'radios',
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'#title' => t('Use secure mode?'),
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'#default_value' => isset($node->arcade_secure) ? $node->arcade_secure : 0,
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'#options' => array(0 => t('No'), 1 => t('Yes')),
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'#description' => t('EXPERIMENTAL. Some pnFlashGames support a secure mode to hinder cheating. Selecting this option will prevent scores form being saved unless a security key is sent along with the score.'),
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);
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}
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}
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}
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/**
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* Implementation of hook_block().
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*/
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function arcade_block($op = 'list', $delta = 0, $edit = array()) {
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// The $op parameter determines what piece of information is being requested.
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switch ($op) {
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case 'list':
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// If $op is "list", we just need to return a list of block descriptions.
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// This is used to provide a list of possible blocks to the administrator,
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// end users will not see these descriptions.
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$blocks[0] = array(
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'info' => t('Best Scores per Game'),
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'status' => TRUE,
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'region' => 'left',
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);
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$blocks[1] = array(
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'info' => t('My Best Scores'),
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'status' => TRUE,
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'region' => 'left',
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);
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$blocks[2] = array(
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'info' => t('Player\'s Best Scores'),
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'status' => TRUE,
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'region' => 'left',
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'visibility' => 1,
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'pages' => 'user/*',
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);
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return $blocks;
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case 'view':
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// If $op is "view", then we need to generate the block for display
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// purposes. The $delta parameter tells us which block is being requested.
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$block = array();
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switch ($delta) {
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case 0:
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$node = menu_get_object();
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if (!isset($node) || $node->is_game==0 || !user_access('view high scores')) {
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break;
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}
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// The subject is displayed at the top of the block. Note that it
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// should be passed through t() for translation.
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$node = arg(0)=='node' ? node_load(arg(1)) : FALSE;
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$block['subject'] = t("Best Scores for @title", array('@title' => $node->title));
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// The content of the block is typically generated by calling a custom
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// function.
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$block['content'] = arcade_get_game_scores($node->nid);
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break;
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case 1:
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if (!user_access('view high scores')) break;
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global $user;
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$block['subject'] = t('My Best Scores');
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$block['content'] = arcade_get_player_scores($user->uid);
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break;
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case 2:
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if (arg(0) != 'user') break;
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$account = user_load(array('uid' => arg(1)));
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global $user;
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$block['subject'] = t('@user\'s Best Scores', array('@user' => $account->name));
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if ($user->uid != $account->uid) $block['content'] = arcade_get_player_scores($account->uid);
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break;
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}
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return $block;
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}
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}
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/**
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* Displays High scores for game with game id $nid
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*/
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function arcade_get_game_scores($nid) {
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static $name_cache;
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//get scores from database
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$result = db_query_range("SELECT uid, score FROM {arcade_data} WHERE nid=%d AND score IS NOT NULL", $nid, 0, 10);
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//construct an array of UserName => Score
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$highscores = array();
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while ($score = db_fetch_object($result)) {
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if (isset($name_cache[$score->uid])) {
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$uname = $name_cache[$score->uid];
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} else {
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$uname = db_result(db_query("SELECT name FROM {users} WHERE uid=%d", $score->uid));
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$name_cache[$score->uid] = $uname;
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}
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$highscores[l($uname, 'user/'. $score->uid)] = $score->score;
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}
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if (count($highscores) < 1) return; //bail early if we found nothing
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//sort the scores, based on the game type
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$game_type = db_result(db_query("SELECT game_type FROM {arcade_games} WHERE nid = %d", $nid));
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if ($game_type==2 || $game_type==4) {
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asort($highscores, SORT_NUMERIC);
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} else {
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arsort($highscores, SORT_NUMERIC);
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}
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//render the array as HTML
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return theme('arcade_list_scores', $highscores);
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}
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/**
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* Displays High scores for player with user id $uid
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*/
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function arcade_get_player_scores($uid) {
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//get scores from database
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$result = db_query_range("SELECT nid, score FROM {arcade_data} WHERE uid=%d AND score IS NOT NULL ORDER BY score DESC", $uid, 0, 10);
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//construct an array of GameName => Score
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$highscores = array();
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while ($score = db_fetch_object($result)) {
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$game = node_load($score->nid);
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$highscores[l($game->title, 'node/'.$score->nid)] = $score->score;
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}
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if (count($highscores) < 1) return; //bail early if we found nothing
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//render the array as HTML
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return theme('arcade_list_scores', $highscores);
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}
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/**
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* Implementation of hook_theme()
|
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*/
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function arcade_theme($existing, $type, $theme, $path) {
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return array(
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'arcade_list_scores' => array (
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'arguments' => array('scores' => NULL),
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),
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);
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}
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/**
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* Render HTML display of a score list array in the form of Name => Score
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| 376 |
*/
|
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function theme_arcade_list_scores($scores) {
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$output = "<ul>";
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foreach ($scores AS $name => $value) {
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| 380 |
$output .= "<li> $name - $value</li>";
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| 381 |
}
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$output .= "</ul>";
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| 383 |
|
| 384 |
return $output;
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| 385 |
}
|
| 386 |
|
| 387 |
function arcade_get_checksum($file){
|
| 388 |
if($fp = fopen($file, 'r')){
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| 389 |
$filecontent = fread($fp, filesize($file));
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| 390 |
fclose($fp);
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| 391 |
return md5($filecontent);
|
| 392 |
}else{
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| 393 |
return false;
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}
|
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}
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