$return_codes[] = 1006;
error_log(__FILE__ . '::' . __LINE__ . " Query execution failed: (" . $db->get_db()->errno . ") " . $db->get_db()->error);
break;
}
} else {
// Insert
if (!($st = $db->get_db()->prepare("insert into player_cargo (player, good, amount, bought) values (?, ?, ?, ?)"))) {
$db->get_db()->rollback();
$db->get_db()->autocommit(true);
error_log(__FILE__ . '::' . __LINE__ . "Prepare failed: (" . $db->get_db()->errno . ") " . $db->get_db()->error);
$return_codes[] = 1006;
break;
}
$st->bind_param("iiii", $player_id, $good_id, $amount, $amount);
if (!$st->execute()) {
$db->get_db()->rollback();
$db->get_db()->autocommit(true);
$return_codes[] = 1006;
error_log(__FILE__ . '::' . __LINE__ . " Query execution failed: (" . $db->get_db()->errno . ") " . $db->get_db()->error);
break;
}
$cargo_id = $db->last_insert_id('player_cargo');
}
$db->get_db()->commit();
$db->get_db()->autocommit(true);
$action = $spacegame['actions'][$action_prefix . 'buy'];
player_log($player_id, $action, $amount, $place_id);
$return_codes[] = 1026;
$return_vars['amt'] = $credits;
}
} while (false);
/**
* Performs an attack on a player
*
* @return boolean true if player is dead
*/
function players_attack_player($player_id, $hitters = array(), $already_in_a_transaction = false)
{
if (!is_numeric($player_id) || $player_id <= 0) {
error_log(__FILE__ . '::' . __LINE__ . ' - Player id is not a positive number greater than zero.');
return false;
}
global $spacegame;
global $db;
$db = isset($db) ? $db : new DB();
if (!$already_in_a_transaction) {
$db->get_db()->autocommit(false);
}
$player = array();
$rs = $db->get_db()->query("select caption, shields, armor, ship_type, ship_name from players where record_id = '{$player_id}'");
$rs->data_seek(0);
if ($row = $rs->fetch_assoc()) {
$player = $row;
}
if ($player['ship_type'] <= 0) {
// Player is in a pod, no further attacks necessary.
if (!$already_in_a_transaction) {
$db->get_db()->rollback();
$db->get_db()->autocommit(true);
}
return true;
}
// Loop through hitters and attack player one by one
foreach ($hitters as $hitter) {
$shield_damage = 0;
$armor_damage = 0;
// Apply shield damage
if (isset($hitter['shield_damage'])) {
if ($player['shields'] > 0) {
if ($player['shields'] >= $hitter['shield_damage']) {
$player['shields'] -= $hitter['shield_damage'];
$shield_damage += $hitter['shield_damage'];
} else {
$shield_damage += $player['shields'];
$player['shields'] = 0;
}
}
}
// Apply general damage
if (isset($hitter['damage'])) {
// Buffer for extra damage to armor when shields are depleted
$carryover = $hitter['damage'];
if ($player['shields'] >= $hitter['damage']) {
$player['shields'] -= $hitter['damage'];
$shield_damage += $hitter['damage'];
$carryover = 0;
} else {
$shield_damage += $player['shields'];
$carryover = $hitter['damage'] - $player['shields'];
$player['shields'] = 0;
}
if ($player['shields'] <= 0) {
if ($player['armor'] >= $carryover) {
$player['armor'] -= $carryover;
$armor_damage += $carryover;
} else {
$armor_damage += $player['armor'];
$player['armor'] = 0;
}
}
}
// Apply armor damage
if (isset($hitter['armor_damage'])) {
if ($player['shields'] <= 0) {
if ($player['armor'] >= $hitter['armor_damage']) {
$player['armor'] -= $hitter['armor_damage'];
$armor_damage += $hitter['armor_damage'];
} else {
$armor_damage += $player['armor'];
$player['armor'] = 0;
}
}
}
player_log($hitter['hitter'], $spacegame['actions']['damage'], $shield_damage + $armor_damage, $player_id);
if ($player['armor'] <= 0) {
// Dead player
if (!($st = $db->get_db()->prepare('update players set ship_type = null, shields = 0, armor = 0, attack_rating = 1, shields_bonus = 0, armor_bonus = 0 where record_id = ?'))) {
error_log(__FILE__ . '::' . __LINE__ . " Prepare failed: (" . $db->get_db()->errno . ") " . $db->get_db()->error);
$return_codes[] = 1006;
$db->get_db()->rollback();
$db->get_db()->autocommit(true);
return true;
}
$st->bind_param('i', $player_id);
if (!$st->execute()) {
$return_codes[] = 1006;
error_log(__FILE__ . '::' . __LINE__ . " Query execution failed: (" . $st->errno . ") " . $st->error);
$db->get_db()->rollback();
$db->get_db()->autocommit(true);
return true;
}
if (!($st = $db->get_db()->prepare('update player_cargo set amount = 0 where player = ?'))) {
error_log(__FILE__ . '::' . __LINE__ . " Prepare failed: (" . $db->get_db()->errno . ") " . $db->get_db()->error);
$return_codes[] = 1006;
$db->get_db()->rollback();
$db->get_db()->autocommit(true);
return true;
}
$st->bind_param('i', $player_id);
if (!$st->execute()) {
$return_codes[] = 1006;
error_log(__FILE__ . '::' . __LINE__ . " Query execution failed: (" . $st->errno . ") " . $st->error);
$db->get_db()->rollback();
$db->get_db()->autocommit(true);
return true;
}
if (!$spacegame['gold']) {
if (!($st = $db->get_db()->prepare("delete from solutions where player = ?"))) {
$db->get_db()->rollback();
$db->get_db()->autocommit(true);
error_log(__FILE__ . '::' . __LINE__ . " Prepare failed: (" . $db->get_db()->errno . ") " . $db->get_db()->error);
$return_codes[] = 1006;
break 2;
}
$st->bind_param("i", $player_id);
if (!$st->execute()) {
$db->get_db()->rollback();
$db->get_db()->autocommit(true);
$return_codes[] = 1006;
error_log(__FILE__ . '::' . __LINE__ . " Query execution failed: (" . $db->get_db()->errno . ") " . $db->get_db()->error);
break 2;
}
}
if (!$already_in_a_transaction) {
if (!$db->get_db()->commit()) {
error_log(__FILE__ . '::' . __LINE__ . " Commit failed: (" . $db->get_db()->errno . ") " . $db->get_db()->error);
}
$db->get_db()->autocommit(true);
}
return true;
}
// Damage player
if (!($st = $db->get_db()->prepare('update players set shields = ?, armor = ? where record_id = ?'))) {
error_log(__FILE__ . '::' . __LINE__ . " Prepare failed: (" . $db->get_db()->errno . ") " . $db->get_db()->error);
$return_codes[] = 1006;
$db->get_db()->rollback();
$db->get_db()->autocommit(true);
break;
}
$st->bind_param('iii', $player['shields'], $player['armor'], $player_id);
if (!$st->execute()) {
$return_codes[] = 1006;
error_log(__FILE__ . '::' . __LINE__ . " Query execution failed: (" . $st->errno . ") " . $st->error);
$db->get_db()->rollback();
$db->get_db()->autocommit(true);
break;
}
}
if (!$already_in_a_transaction) {
if (!$db->get_db()->commit()) {
error_log(__FILE__ . '::' . __LINE__ . " Commit failed: (" . $db->get_db()->errno . ") " . $db->get_db()->error);
}
$db->get_db()->autocommit(true);
}
return $player['armor'] <= 0;
}
$total_damage = $hit_amount * DRONE_ATTACK_DAMAGE;
if ($total_damage > 0) {
$hitters[] = array('hitter' => $row['owner'], 'damage' => $total_damage);
$return_vars['dmg'] = 'true';
}
$complete_count += $hit_amount;
$complete_damage += $total_damage;
// Message drone owners about potential damage to ship
$message = '';
$message .= 'Player ' . $spacegame['player']['caption'] . ' ';
$message .= 'detected and engaged by ' . $hit_amount;
$message .= ' drones in sector ' . $rx . ',' . $ry;
$message .= ' causing ' . $total_damage . ' damage.';
$targets = array($row['owner']);
send_message($message, $targets, MESSAGE_EXPIRATION, 4);
}
// Message player about getting hit.
if ($complete_damage > 0) {
$message = '';
$message .= 'You were engaged by ' . $complete_count . ' drones in sector ';
$message .= $rx . ',' . $ry . ' causing ' . $complete_damage . ' damage.';
$targets = array($player_id);
send_message($message, $targets, MESSAGE_EXPIRATION, 4);
}
if (players_attack_player($player_id, $hitters)) {
$serial = $ry * 1000 + $rx;
player_log($player_id, $spacegame['actions']['death'], $complete_damage, $serial);
break;
}
}
} while (false);
$complete_count += $hit_amount;
$complete_damage += $total_damage;
// Message drone owners about potential damage to ship
$message = '';
$message .= 'Player ' . $spacegame['player']['caption'] . ' ';
$message .= 'detected and engaged by ' . $hit_amount;
$message .= ' drones in sector ' . $spacegame['player']['x'] . ',' . $spacegame['player']['y'];
$message .= ' causing ' . $total_damage . ' damage.';
if (players_attack_player($spacegame['player']['record_id'], $hitters)) {
// Player is dead
$serial = $spacegame['player']['y'] * 1000 + $spacegame['player']['x'];
player_log($spacegame['player']['record_id'], $spacegame['actions']['death'], $total_damage, $serial);
}
$targets = array($player['record_id'], $spacegame['player']['record_id']);
send_message($message, $targets, MESSAGE_EXPIRATION, 4);
}
$return_codes[] = 1205;
$return_vars['amt'] = $total_damage;
} else {
$hitters[] = array('hitter' => $spacegame['player']['record_id'], 'shield_damage' => $player['shields'] - $player_shields, 'armor_damage' => $player['armor'] - $player_armor);
if (players_attack_player($player_id, $hitters)) {
// Player is dead
$serial = $spacegame['player']['y'] * 1000 + $spacegame['player']['x'];
player_log($player_id, $spacegame['actions']['death'], $total_damage, $serial);
}
$targets = array($player['record_id'], $spacegame['player']['record_id']);
send_message($message, $targets, MESSAGE_EXPIRATION, 4);
$return_codes[] = 1204;
$return_vars['amt'] = $total_damage;
}
} while (false);
