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<?php
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// $Id: fsgame.pages.inc,v 1.15 2008/08/13 11:46:00 aaron Exp $
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/**
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* @file
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* Page callbacks for the 5 Second Game engine.
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*/
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/**
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* Page callback for /fsgame/contest.
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* Allow two characters to compete.
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* @param $form_state
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* The form state.
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* @param $character_nid
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* The character nid, or a string to match against fsgame_contest_match_character.
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* @param $opponent_nid
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* The opponent nid, or a string to match against fsgame_contest_match_opponent.
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*/
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function fsgame_contest_form($form_state, $character_nid = 'latest', $opponent_nid = 'latest') {
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global $user;
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$form = array();
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$form['character'] = array(
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'#type' => 'fieldset',
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'#title' => t('Your character'),
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'#collapsible' => TRUE,
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);
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if ($user->uid) {
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$cnid = fsgame_contest_match_character($character_nid, $opponent_nid);
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}
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else {
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$cnid = fsgame_contest_anonymous_character();
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}
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if ($cnid && is_numeric($cnid)) {
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$character = node_load($cnid);
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$form['character']['#title'] = t('Your character: @name', array('@name' => $character->title));
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$form['character']['#collapsed'] = TRUE;
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$form['character']['character_node'] = array(
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'#type' => 'value',
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'#value' => $character,
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);
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$form['character']['teaser'] = array(
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'#type' => 'item',
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'#value' => node_view($character),
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);
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fsgame_user_set_latest_character($user->uid, $character->nid);
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}
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else {
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$cnid = 'latest';
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}
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$form['character']['character_autocomplete'] = array(
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'#type' => 'textfield',
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'#title' => t('Name'),
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'#autocomplete_path' => 'fsgame/autocomplete/'. $user->uid,
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);
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$form['character']['select'] = array(
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'#type' => 'submit',
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'#value' => t('Select character'),
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);
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$form['opponent'] = array(
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'#type' => 'fieldset',
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'#title' => t('Your opponent'),
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'#collapsible' => TRUE,
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);
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$onid = fsgame_contest_match_opponent($opponent_nid, $cnid);
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if ($onid && is_numeric($onid)) {
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$opponent = node_load($onid);
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$form['opponent']['#title'] = t('Your opponent: @name', array('@name' => $opponent->title));
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$form['opponent']['#collapsed'] = TRUE;
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$form['opponent']['opponent_node'] = array(
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'#type' => 'value',
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'#value' => $opponent,
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);
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$form['opponent']['teaser'] = array(
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'#type' => 'item',
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'#value' => node_view($opponent),
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);
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}
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else {
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$onid = 'latest';
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}
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// If we don't allow contests of characters of the same user, then exclude them from the autocomplete.
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$opponent_autocomplete_exclude_path = variable_get('fsgame_contest_allow_same_user', FALSE) ? '' : '-exclude';
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$form['opponent']['opponent_autocomplete'] = array(
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'#type' => 'textfield',
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'#title' => t('Name'),
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'#autocomplete_path' => 'fsgame/autocomplete'. $opponent_autocomplete_exclude_path .'/'. $user->uid,
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);
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$form['opponent']['select'] = array(
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'#type' => 'submit',
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'#value' => t('Select opponent'),
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);
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$form['character']['selectors'] = array(
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'#type' => 'item',
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'#value' => theme('fsgame_contest_selectors_character', $cnid, $onid),
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);
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$form['opponent']['selectors'] = array(
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'#type' => 'item',
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'#value' => theme('fsgame_contest_selectors_opponent', $cnid, $onid),
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);
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$form['modes'] = array(
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'#type' => 'fieldset',
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'#title' => t('Contest modes'),
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);
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$attributes = fsgame_base_attributes();
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foreach ($attributes as $key => $attribute) {
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$attacks[$key] = $attribute['title'];
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$defenses[$key] = $attribute['title'];
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}
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// Allow modules implementing hook_fsgame_available_modes_alter to add/remove their own skills to/from the selectors.
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drupal_alter('fsgame_available_modes', $attack, 'character', 'attack', $character, $opponent);
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drupal_alter('fsgame_available_modes', $defense, 'character', 'defense', $character, $opponent);
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$form['modes']['attack'] = array(
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'#type' => 'select',
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'#title' => t('Attack'),
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'#options' => $attacks,
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);
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$form['modes']['defense'] = array(
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'#type' => 'select',
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'#title' => t('Defense'),
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'#options' => $defenses,
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);
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$form['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Fight!'),
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);
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return $form;
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}
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function fsgame_contest_form_validate($form, &$form_state) {
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global $user;
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$contest = array();
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$character = $form_state['values']['character_node'];
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if ($form_state['values']['character_autocomplete'] || !($form_state['values']['character_node'])) {
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$character = node_load(_fsgame_autocomplete_nid($form_state['values']['character_autocomplete']));
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if (($form_state['values']['op'] == t('Fight!')) && ($character->type != 'fsgame_character') || ($character->uid != $user->uid)) {
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form_set_error('character_autocomplete', t('Please select a valid character that you own.'));
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}
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}
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$opponent = $form_state['values']['opponent_node'];
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if ($form_state['values']['opponent_autocomplete'] || !($form_state['values']['opponent_node'])) {
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$opponent = node_load(_fsgame_autocomplete_nid($form_state['values']['opponent_autocomplete']));
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if (($form_state['values']['op'] == t('Fight!')) && $opponent->type != 'fsgame_character') {
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form_set_error('opponent_autocomplete', t('Please select a valid opponent.'));
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}
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}
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$contest['character'] = $character;
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$contest['opponent'] = $opponent;
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if (($form_state['values']['op'] == t('Fight!')) && !fsgame_contest_allow($contest)) {
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// print the reason returned for not allowing a specific contest.
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form_set_error('', $contest['results']['disallow']);
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}
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$form_state['values']['contest'] = $contest;
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}
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function fsgame_contest_form_submit($form, &$form_state) {
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global $user;
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if ($form_state['values']['character_autocomplete']) {
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$form_state['values']['character_node'] = node_load(_fsgame_autocomplete_nid($form_state['values']['character_autocomplete']));
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}
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if ($form_state['values']['opponent_autocomplete']) {
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$form_state['values']['opponent_node'] = node_load(_fsgame_autocomplete_nid($form_state['values']['opponent_autocomplete']));
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}
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fsgame_user_set_latest_character($user->uid, $form_state['values']['character_node']->nid);
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if ($form_state['values']['op'] == t('Fight!')) {
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$contest = $form_state['values']['contest'];
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$contest['character attack'] = fsgame_contest_select_mode('attack', $form_state['values']['attack'], $form_state['values']['character_node'], $form_state['values']['opponent_node']);
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$contest['character defense'] = fsgame_contest_select_mode('defense', $form_state['values']['defense'], $form_state['values']['character_node'], $form_state['values']['opponent_node']);
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fsgame_contest($contest);
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$winner = $contest['results']['win'];
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if ($winner == 'draw') {
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drupal_set_message(t('The result is a draw.'));
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}
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else if ($winner->nid) {
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drupal_set_message(t('!title wins the contest.', array('!title' => l($winner->title, 'node/'. $winner->nid))));
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}
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else {
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drupal_set_message(t('Unknown error in fsgame_contest_form_submit'), 'error');
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}
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}
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drupal_goto('fsgame/contest/'. $form_state['values']['character_node']->nid .'/'. $form_state['values']['opponent_node']->nid);
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}
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/**
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* Match a game character.
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* @param $character_nid
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* Either the nid of the character to compete with, or one of the following strings:
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* 'latest' => The last selected character of the currently logged in user.
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* 'newest' => The most recently created character of the currently logged in user.
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* 'random' => A random character from among those owned by the currently logged in user.
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* 'select' => A drop-down of characters owned by the currently logged in user.
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* 'autocomplete' => An autocomplete textfield, otherwise the same as 'select'.
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* 'anonymous' => The anonymous character stored in the user's session (reverts to 'select' if not anonymous).
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* If the user is anonymous, then this parameter is ignored, and treated as though it were 'anonymous'.
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* Otherwise, if this doesn't match, then the string from $character_nid is passed through hook_fsgame_contest_match_character,
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* so that other modules may choose a character from the given argument.
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* @TODO: finish implementing this
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*/
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function fsgame_contest_match_character($character_nid, $opponent_nid = NULL) {
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global $user;
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if ($character_nid && is_numeric($character_nid)) {
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$node = node_load($character_nid);
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if ($node->type == 'fsgame_character' && ($node->uid == $user->uid)) {
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return $character_nid;
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}
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return FALSE;
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}
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if ($character_nid == 'latest') {
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return fsgame_user_get_latest_character($user->uid);
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}
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if ($character_nid == 'newest') {
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$sql = "SELECT nid FROM {node} WHERE type='fsgame_character' AND uid=%d ORDER BY created DESC";
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return db_result(db_query_range($sql, $user->uid, 0, 1));
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}
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if ($character_nid == 'random') {
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$sql = "SELECT nid FROM {node} WHERE type='fsgame_character' AND uid=%d ORDER BY RAND()";
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drupal_goto('fsgame/contest/'. db_result(db_query_range($sql, $user->uid, 0, 1)) .'/'. $opponent_nid);
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}
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}
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/**
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* Match a game opponent character.
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* @param $opponent_nid
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* Either the nid of the character to compete against, or one of the following strings:
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* 'latest' => The last selected opponent of the selected character.
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* 'random' => A random suitable opponent.
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* 'select' => A drop-down of suitable opponents.
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* 'autocomplete' => An autocomplete textfield, otherwise the same as 'select'.
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* 'user:%uid' => A random suitable opponent belonging to the specified %uid.
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* If this doesn't match, then the string from $opponent_nid is passed through hook_fsgame_contest_match_opponent,
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* so that other modules may choose an opponent from the given argument.
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* @param $character_nid
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* If provided, this is the currently matched character's node's NID.
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*/
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function fsgame_contest_match_opponent($opponent_nid, $character_nid = NULL) {
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global $user;
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if ($opponent_nid && is_numeric($opponent_nid)) {
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$node = node_load($opponent_nid);
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if ($node->type == 'fsgame_character' && ($node->uid != $user->uid)) {
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return $opponent_nid;
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}
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return FALSE;
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}
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if ($opponent_nid == 'latest' && $character_nid && is_numeric($character_nid)) {
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return fsgame_character_get_latest_opponent($character_nid);
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}
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if ($opponent_nid == 'random') {
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$sql = "SELECT nid FROM {node} WHERE type='fsgame_character' AND uid<>%d ORDER BY RAND()";
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$character_nid = isset($character_nid) ? $character_nid : '/latest';
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return drupal_goto('fsgame/contest/'. $character_nid .'/'. db_result(db_query_range($sql, $user->uid, 0, 1)));
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}
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}
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/**
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* Return the character from this anonymous user's session.
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* @TODO
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*/
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function fsgame_contest_anonymous_character() {
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return $_SESSION['fsgame_contest_anonymous_character'];
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}
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/**
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* Retrieve a pipe delimited string of autocomplete suggestions
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* @param $uid
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* If a number that is not 0, then this will retrieve only characters of that user account.
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* @param $string
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* A partial string to match.
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* @param $exclude_uid
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* If non-NULL, then it will exclude characters of this user, including anonymous.
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*/
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function fsgame_autocomplete($uid = NULL, $string = '') {
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$matches = array();
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$nodes = _fsgame_potential_nodes($uid, TRUE, $string);
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foreach ($nodes as $node) {
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$matches[check_plain($node->title) .' ('. $node->name .') ['. $node->nid .']'] = check_plain($node->title) .' ('. $node->name .') ['. $node->nid .']';
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}
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drupal_json($matches);
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}
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/**
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* Retrieve a pipe delimited string of autocomplete suggestions.
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* @param $uid
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* If non-NULL, then it will exclude characters of this user, including anonymous if 0.
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* @param $string
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* A partial string to match.
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*/
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function fsgame_autocomplete_exclude($uid = NULL, $string = '') {
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$matches = array();
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$nodes = _fsgame_potential_nodes(NULL, TRUE, $string, FALSE, $uid);
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foreach ($nodes as $node) {
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$matches[check_plain($node->title) .' ('. $node->name .') ['. $node->nid .']'] = check_plain($node->title) .' ('. $node->name .') ['. $node->nid .']';
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}
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drupal_json($matches);
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}
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/**
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* Fetch an array of all candidate character nodes,
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* for use in presenting the selection form to the user.
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* @TODO: Allow views to further determine fetched characters, such as a from a specific guild. See nodereference.
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*/
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function _fsgame_potential_nodes($uid = 0, $return_full_nodes = FALSE, $string = '', $exact_string = FALSE, $exclude_uid = NULL) {
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// standard field : referenceable nodes defined by content types
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// build the appropriate query
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$conditions = array(" n.type = '%s'");
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$args = array('fsgame_character');
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if ($uid && is_numeric($uid)) {
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$conditions[] = " n.uid = %d";
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$args[] = $uid;
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}
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if (isset($string)) {
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$conditions[] = $exact_string ? " n.title = '%s'" : " n.title LIKE '%%%s%'";
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$args[] = $string;
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}
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if (isset($exclude_uid) && is_numeric($exclude_uid)) {
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$conditions[] = " n.uid <> %d";
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$args[] = $exclude_uid;
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}
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$conditions_clause = implode(' AND', $conditions);
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$result = db_query(db_rewrite_sql("SELECT n.nid, n.title, u.name FROM {node} n INNER JOIN {users} u ON u.uid = n.uid WHERE ". $conditions_clause ." ORDER BY n.title, n.type"), $args);
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$rows = array();
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while ($node = db_fetch_object($result)) {
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if ($return_full_nodes) {
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$rows[$node->nid] = $node;
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}
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else {
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$rows[$node->nid] = $node->node_title;
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}
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}
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return $rows;
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}
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function _fsgame_autocomplete_nid($character) {
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if ($character && is_numeric($character)) {
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$nid = $character;
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}
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else {
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preg_match('@\[([0-9]+)\]@', $character, $matches);
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$nid = $matches[1];
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}
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return $nid;
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}
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function fsgame_character_claim($node) {
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if (!fsgame_claim_access($node)) {
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drupal_access_denied();
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}
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global $user;
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$node->uid = $user->uid;
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node_save($node);
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drupal_set_message(t("You have claimed the character %title as your own.", array('%title' => $node->title)));
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unset($_SESSION['fsgame_contest_anonymous_character']);
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drupal_goto('node/'. $node->nid);
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}
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