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* Unlock achievements and earn points based on milestones.
*/
/**
* Implements hook_permission().
function achievements_permission() {
return array(
'access achievements' => array(
'title' => t('Access achievements'),
),
'earn achievements' => array(
'title' => t('Earn achievements'),
),
'administer achievements' => array(
'title' => t('Administer achievements'),
),
);
}
*/
function achievements_menu() {
$items['achievements/leaderboard'] = array(
'access arguments' => array('access achievements'),
'description' => 'View the site-wide achievements leaderboard.',
'file' => 'achievements.pages.inc',
'page callback' => 'achievements_leaderboard_totals',
'title' => 'Leaderboard',
);
$items['achievements/leaderboard/%achievements'] = array(
'access arguments' => array('access achievements'),
'description' => "View a specific achievement's leaderboard.",
'file' => 'achievements.pages.inc',
'page callback' => 'achievements_leaderboard_for',
'page arguments' => array(2),
'title' => 'Per-achievement leaderboard',
'type' => MENU_CALLBACK,
);
$items['user/%user/achievements'] = array(
'access arguments' => array('access achievements'),
'description' => "View a specific user's leaderboard.",
'file' => 'achievements.pages.inc',
'page callback' => 'achievements_user_page',
'page arguments' => array(1),
'title' => 'Achievements',
'type' => MENU_LOCAL_TASK,
);
$items['admin/config/people/achievements'] = array(
'description' => 'Configure the achievements system.',
'page callback' => 'drupal_get_form',
'page arguments' => array('achievements_settings'),
'title' => 'Achievements',
);
$items['achievements/autocomplete'] = array(
'access arguments' => array('access achievements'),
'file' => 'achievements.pages.inc',
'page callback' => 'achievements_autocomplete',
'title' => 'Achievement title autocomplete',
'type' => MENU_CALLBACK,
);
function achievements_theme() {
return array(
'achievement' => array(
'variables' => array('achievement' => NULL, 'unlock' => NULL),
'template' => 'achievement',
),
);
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/**
* Process variables for achievement.tpl.php.
*
* The $variables array contains the following arguments:
*
* - $achievement
* - $unlock
*
* @see achievement.tpl.php
*/
function template_preprocess_achievement(&$variables) {
$variables['state'] = isset($variables['unlock']) ? 'unlocked' : 'locked';
if (isset($variables['achievement']['hidden']) && !achievements_unlocked_already($variables['achievement']['id'])) {
$variables['achievement']['points'] = t('???'); // IIiII haveEeeA aa seecFRrit and I'll NEEVvaaha hTellLL..
$variables['achievement']['title'] = t('Hidden achievement'); // unless, of course, you PayPal me bribes.
$variables['achievement']['description'] = t('Continue playing to unlock this hidden achievement.');
$variables['state'] = 'hidden';
}
$variables['classes_array'][] = 'achievement-' . $variables['state'];
$variables['achievement_url'] = url('achievements/leaderboard/' . $variables['achievement']['id']);
$variables['unlocked_date'] = isset($variables['unlock']['timestamp']) ? format_date($variables['unlock']['timestamp'], 'custom', 'Y/m/d') : '';
$variables['unlocked_rank'] = isset($variables['unlock']['rank']) ? t('Rank #@rank', array('@rank' => $variables['unlock']['rank'])) : '';
// set the per-achievement image or admin default.
if (isset($variables['achievement']['images'][$variables['state']])) {
$variables['image'] = theme('image', array('path' => $variables['achievement']['images'][$variables['state']]));
}
else {
$default = drupal_get_path('module', 'achievements') . '/images/default-' . $variables['state'] . '-70.jpg';
$variables['image'] = theme('image', array('path' => variable_get('achievements_image_' . $variables['state'], $default)));
}
}
'achievements-leaderboard' => array(
'info' => t('Achievements leaderboard'),
'cache' => DRUPAL_CACHE_GLOBAL,
function achievements_block_view($delta = '') {
if ($delta == 'achievements-leaderboard') {
include_once(drupal_get_path('module', 'achievements') . '/achievements.pages.inc');
return array( // stupid file that I have to include. WHERE"S MY FUNCTION REGSITERYR.
'subject' => t('Leaderboard'),
'content' => achievements_leaderboard_totals(TRUE),
);
}
}
/**
* Load information about our achievements.
*
* @param $achievement_id
* The (optional) achievement this request applies against.
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* @param $grouped
* Whether to return the achievements list flattened (FALSE, the default)
* or grouped into achievement-defined categories. If TRUE, but there is no
* group specified for an achievement, it'll be stored in a "-none-" array
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* intended to simplify display code. Not compatible with $achievement_id.
* @return $achievements
* An array of all achievements, or just the one passed.
*/
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function achievements_load($achievement_id = NULL, $grouped = FALSE, $reset = FALSE) {
$achievements = &drupal_static(__FUNCTION__);
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if (!$reset && $cache = cache_get('achievements_info')) {
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$result = module_invoke_all('achievements_info');
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// determine if we're looking at an achievement or group and create our
// master $achievements array. we store the achievements in two separate
// forms: one with a tree (for display purposes) and one flattened (for
// lookup purposes). the flattened index is referenced so that we save
// space in the final serialized blob that cache_set() sends.
foreach ($result as $key => $value) {
if (isset($value['achievements']) && is_array($value['achievements'])) {
$achievements['grouped'][$key] = $value; // copy the whole shebang into realz.
foreach ($achievements['grouped'][$key]['achievements'] as $id => $achievement) {
$achievements['grouped'][$key]['achievements'][$id]['id'] = $id;
$achievements['grouped'][$key]['achievements'][$id]['group_id'] = $key;
$achievements['grouped'][$key]['achievements'][$id]['group_title'] = $value['title'];
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$achievements['flat'][$id] = &$achievements['grouped'][$key]['achievements'][$id];
}
}
else {
$value['id'] = $key;
$value['group_id'] = '-none-';
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$value['group_title'] = NULL; // moo.
$achievements['grouped']['-none-']['achievements'][$key] = $value;
$achievements['flat'][$key] = &$achievements['grouped']['-none-']['achievements'][$key];
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}
if (isset($achievements['grouped']['-none-'])) {
$achievements['grouped']['-none-']['title'] = t('Miscellany');
}
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cache_set('achievements_info', $achievements, 'cache', CACHE_TEMPORARY);
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if ($achievement_id) { // all my majesty and brilliance, and you just want one result? /me weeps.
return isset($achievements['flat'][$achievement_id]) ? $achievements['flat'][$achievement_id] : FALSE;
}
// return the whole shebang in groups or a flattened lookup bucket.
return $grouped ? $achievements['grouped'] : $achievements['flat'];
* Returns all, or per-user, achievement totals.
* @param $count
* The number of top-ranking users to return (defaults to 50).
* @param $current_user
* Whether to include the current user's stats in the list, even if they're
* not in the top $count. This is just a friendly "how you compare" feature
* ("I'm rank 52; nearly in the top 50. woot!"). Defaults to TRUE.
* @return $totals
* An array of totals information for the top $count users.
function achievements_totals($count = 50, $current_user = TRUE) {
$query = db_select('achievement_totals', 'at');
$query->join('users', 'u', 'u.uid = at.uid');
$query->fields('at', array('uid', 'points', 'unlocks', 'timestamp'))->fields('u', array('name'));
$query->orderBy('at.points', 'DESC')->orderBy('at.timestamp'); // @todo DESC/ASC doesn't index.
$achievers = $query->range(0, $count)->execute()->fetchAllAssoc('uid');
$rank = 1; // add the ranking.
foreach ($achievers as $achiever) {
$achiever->rank = $rank++;
}
// if the current user isn't in our top $count, find 'em.
if ($current_user && user_is_logged_in() && !isset($achievers[$GLOBALS['user']->uid])) {
$achievers[$GLOBALS['user']->uid] = achievements_totals_user('all');
return $achievers;
* Returns a specific user's achievement totals.
* @param $type
* 'points', 'unlocks', 'rank', or 'all' (defaults to 'points').
* @param $uid
* The user to return achievement info for (defaults to current user).
*
* @return $integer or $object
* The value of the passed $type. If $type is 'all', the full object.
function achievements_totals_user($type = 'points', $uid = NULL) {
list($uid, $access) = achievements_user_is_achiever($uid);
// we don't check for access as this is info grubbing only.
$achievers = &drupal_static(__FUNCTION__);
$query = db_select('achievement_totals', 'at');
$query->join('users', 'u', 'u.uid = at.uid');
$query->fields('at', array('uid', 'points', 'unlocks', 'timestamp'))->fields('u', array('name'));
$achievers[$uid] = $query->condition('at.uid', $uid)->execute()->fetchObject();
if ($achievers[$uid]) { // only keep going if they've unlocked something.
// to find the user's rank: count all the users with greater points, add
// all the users with equal points but earlier timestamps, and then add 1.
$better_points = db_select('achievement_totals')->condition('points', $achievers[$uid]->points, '>')->countQuery()->execute()->fetchField();
$earlier_times = db_select('achievement_totals')->condition('points', $achievers[$uid]->points)->condition('timestamp', $achievers[$uid]->timestamp, '<')->countQuery()->execute()->fetchField();
$achievers[$uid]->rank = $better_points + $earlier_times + 1;
}
return $type == 'all' ? $achievers[$uid] : (isset($achievers[$uid]->$type) ? $achievers[$uid]->$type : 0);
}
/**
* Logs a user as having unlocked an achievement.
*
* @param $achievement_id
* The achievement this request applies against.
* @param $uid
* The user to unlock an achievement for (defaults to current user).
*/
function achievements_unlocked($achievement_id, $uid = NULL) {
list($uid, $access) = achievements_user_is_achiever($uid);
if (!$access) { return; } // i know you want it, but...
// grab information about the achievement.
$achievement = achievements_load($achievement_id);
if (!isset($achievement)) { // hrm... try a cache refresh?
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$achievement = achievements_load($achievement_id, FALSE, TRUE);
if (isset($achievement) && !achievements_unlocked_already($achievement_id, $uid)) {
$last_rank = db_select('achievement_unlocks', 'au')->fields('au', array('rank')) // not. exciting. at. all.
->condition('achievement_id', $achievement_id)->orderBy('rank', 'DESC')->range(0, 1)->execute()->fetchField();
db_insert('achievement_unlocks')
->fields(array(
'achievement_id' => $achievement_id,
'uid' => $uid,
'rank' => $last_rank ? $last_rank + 1 : 1,
'timestamp' => REQUEST_TIME,
))
->execute();
db_merge('achievement_totals')
->key(array('uid' => $uid))
->fields(array(
'points' => $achievement['points'],
'unlocks' => 1, // OMG CONGRATS
'timestamp' => REQUEST_TIME,
))
->expression('points', 'points + :points', array(':points' => $achievement['points']))
->expression('unlocks', 'unlocks + :increment', array(':increment' => 1))
->execute();
if ($uid == $GLOBALS['user']->uid) { // only show the unlock if $uid is our viewer.
drupal_set_message(t('<strong>Achievement unlocked:</strong> @achievement (+@number). !view.',
array('@achievement' => $achievement['title'], '@number' => $achievement['points'],
'!view' => l(t('View your achievements'), 'user/' . $uid . '/achievements'))));
}
}
}
/**
* Determine if a user has already unlocked an achievement.
*
* @param $achievement_id
* The achievement this request applies against.
* @param $uid
* The user this request applies against (defaults to current user).
* @return NULL or $unlocked
* $unlocked is an array containing rank and timestamp.
*/
function achievements_unlocked_already($achievement_id, $uid = NULL) {
list($uid, $access) = achievements_user_is_achiever($uid);
if (!$access) { return; } // i can't let you in, y'know?
$unlock = db_select('achievement_unlocks', 'au')->fields('au', array('rank', 'timestamp'))
->condition('achievement_id', $achievement_id)->condition('uid', $uid)->execute()->fetchAssoc();
}
/**
* Retrieve data needed by an achievement.
*
* @param $achievement_id
* An identifier for the achievement whose data is being collected.
* @param $uid
* The user this stored data applies to (defaults to current user).
* The data stored for this achievement and user (unserialized).
*/
function achievements_storage_get($achievement_id = NULL, $uid = NULL) {
list($uid, $access) = achievements_user_is_achiever($uid);
if (!$access) { return; } // it's not that I don't want to...
return unserialize(db_select('achievement_storage')->fields('achievement_storage', array('data'))
->condition('achievement_id', $achievement_id)->condition('uid', $uid)->execute()->fetchField());
}
/**
* Save data needed by an achievement.
*
* @param $achievement_id
* An identifier for the achievement whose data is being collected.
* @param $uid
* The user this stored data applies to (defaults to current user).
* @param $data
* The data being saved (of any type; serialization occurs).
*/
function achievements_storage_set($achievement_id = NULL, $data = NULL, $uid = NULL) {
list($uid, $access) = achievements_user_is_achiever($uid);
if (!$access) { return; } // I... I'M IN LOVE WITH MORBUS OK?!!?
db_merge('achievement_storage')
->key(array('uid' => $uid, 'achievement_id' => $achievement_id))
->fields(array('data' => serialize($data))) // it's hot in here.
->execute(); // i hate all DBTNG syntax. NEVAH STANDARNDIZEE?Ee1
/**
* Determine if a user is able to earn achievements.
*
* This is a general helper around the core achievements functions and allows
* us to default to the global user if a $uid is not passed, but also check
* permissions against a user who is not the global user. This allows us to
* a) define roles of users that can not earn achievements and b) manually
* unlock achievements for a non-current user.
*
* @param $uid
* The user to check for "earn achievements" (defaults to current user).
*
* @return $results
* An array with values of:
* - $uid is the determined user (default: the global user).
* - $access is a TRUE or FALSE as returned by user_access().
*/
function achievements_user_is_achiever($uid = NULL) {
if (!isset($uid) || $uid == $GLOBALS['user']->uid) {
return array($GLOBALS['user']->uid, user_access('earn achievements'));
}
else {
return array($uid, user_access('earn achievements', user_load($uid)));
}
}
function achievements_user_cancel($edit, $account, $method) {
achievements_user_delete($account); // no stats for non-players.
function achievements_user_delete($account) {
db_delete('achievement_totals')->condition('uid', $account->uid)->execute();
db_delete('achievement_unlocks')->condition('uid', $account->uid)->execute();
db_delete('achievement_storage')->condition('uid', $account->uid)->execute();