<?php

//Function to check if user is logged in, and if so, return user data as an object
function check_user($secret_key, &$db) {
	$ip = isset($_SERVER['HTTP_X_FORWARDED_FOR']) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : $_SERVER['REMOTE_ADDR'];
	if (!isset($_SESSION['userid']) || !isset($_SESSION['hash'])) {
  header("Location: index.php");
  exit;
	} else {
  $check = sha1($_SESSION['userid'] . $ip . $secret_key);
  if ($check != $_SESSION['hash']) {
  	session_unset();
  	session_destroy();
  	header("Location: logout.php");
  	exit;
  } else {
  	$query = $db->execute("select * from `players` where `id`=?", array($_SESSION['userid']));
  	$userarray = $query->fetchrow();
  	if ($query->recordcount() == 0) {
    session_unset();
    session_destroy();
    header("Location: logout.php");
    exit;
  	}
  	foreach($userarray as $key=>$value) {
    $user->$key = $value;
  	}	
  	//Check if game is closed or not
  	if ($setting->general_close_game == "yes" && $user->gm_rank <= 20) {
    //Clear user's session data
    session_unset();
    session_destroy();
    header("Location: index.php");
  	}
  	if ($player->ban >= time()) {
    //Clear user's session data
    session_unset();
    session_destroy();
    header("Location: index.php");
  	}
  	$query = $db->execute("update `players` set `last_active`=? where `id`=?", array(time(), $user->id));
  	return $user;
  }
	}
}
//Gets the number of unread messages
function unread_messages($id, &$db) {
	$query = $db->getone("select count(*) as `count` from `mail` where `to`=? and `status`='unread'", array($id));
	return $query['count'];
}
//Gets new log messages
function unread_log($id, &$db) {
	$query = $db->getone("select count(*) as `count` from `user_log` where `player_id`=? and `status`='unread'", array($id));
	return $query['count'];
}
[b]//Insert a log message into the user logs
function addlog($id, $msg, &$db) {
	$insert['player_id'] = $id;
	$insert['msg'] = $msg;
	$insert['time'] = time();
	$query = $db->autoexecute('user_log', $insert, 'INSERT');[/b]
}
//Insert a log message into the error log
function errorlog($msg, &$db) {
	$insert['msg'] = $msg;
	$insert['time'] = time();
	$query = $db->autoexecute('log_errors', $insert, 'INSERT');
}
//Insert a log message into the GM log
function gmlog($msg, &$db) {
	$insert['msg'] = $msg;
	$insert['time'] = time();
	$query = $db->autoexecute('log_gm', $insert, 'INSERT');
}
//Insert addin_modules
function insert_addins ($position, &$player, &$setting, &$lang, &$db) {
	$query = $db->execute("select * from `addins` where `position`=? order by `ord`", array($position));
	if ($query > 0) {
  while ($addin_modules = $query->fetchrow()) {
    include ("addins/" . $addin_modules['link'] . "");
  }
	}
}
//Gets item name from table items.id
function item_name($item, &$db) {
	$query = $db->execute("select item_id from items where id=?", array($item));
	$specificitem=$query->fetchrow();
	$query = $db->execute("select name from blueprint_items where id=?", array($specificitem['item_id']));
	$typeitem = $query->fetchrow();
	return $typeitem['name'];
}
// Get player's name from id
function player_name($playerid, &$db) {
	$query = $db->execute("select `username` from `players` where id=?", array($playerid));
	$result = $query->fetchrow();
	return $result['username'];
}

?>

}
		$battlelog = $output;
		if ($player->hp <= 0)	{
			//Calculate losses
			$exploss1 = $player->level * 6;
			$exploss2 = (($player->level - $enemy->level) > 0)?($enemy->level - $player->level) * 4:0;
			$exploss = $exploss1 + $exploss2;
			$goldloss = intval(0.2 * $player->gold);
			$goldloss = intval(rand(1, $goldloss));
			
			$output .= "<br />" . sprintf($lang['msg_battle_defeated'], $enemy->username) . "<br />\n";
			$battlelog .= "<br />" . sprintf($lang['msg_battle_won'], $player->username) . "<br />\n";
			$output .= "<br />" . sprintf($lang['msg_battle_losses'], $exploss, $goldloss) . "\n";
			$battlelog .= "<br />" . sprintf($lang['msg_battle_winnings'], $exploss, $goldloss) . "\n";
			$exploss3 = (($player->exp - $exploss) <= 0)?$player->exp:$exploss;
			$goldloss2 = (($player->gold - $goldloss) <= 0)?$player->gold:$goldloss;
			//Update player (the loser)
			$query = $db->execute("update `players` set `energy`=?, `exp`=?, `gold`=?, `deaths`=?, `hp`=0 where `id`=?", array($player->energy - 1, $player->exp - $exploss3, $player->gold - $goldloss2, $player->deaths + 1, $player->id));
			
			//Update enemy (the winner)
			if ($exploss + $enemy->exp < $enemy->maxexp)	{
				$query = $db->execute("update `players` set `exp`=?, `gold`=?, `kills`=?, `hp`=? where `id`=?", array($enemy->exp + $exploss, $enemy->gold + $goldloss, $enemy->kills + 1, $enemy->hp, $enemy->id));
				//Add log message for winner
				$logmsg = sprintf($lang['msg_log_won'], $player->username, $exploss, $goldloss);
				addlog($enemy->id, $logmsg, $battlelog, $db);
			} else { //Defender has gained a level! =)	
				$query = $db->execute("update `players` set `stat_points`=?, `level`=?, `maxexp`=?, `exp`=?, `gold`=?, `kills`=?, `hp`=?, `maxhp`=? where `id`=?", array($enemy->stat_points + 3, $enemy->level + 1, ($enemy->level+1) * 70 - 20, ($enemy->exp + $exploss) - $enemy->maxexp, $enemy->gold + $goldloss, $enemy->kills + 1, $enemy->maxhp + 30, $enemy->maxhp + 30, $enemy->id));
				//Add log message for winner
				$logmsg = sprintf($lang['msg_log_level'], $player->username, $goldloss);
				addlog($enemy->id, $logmsg, $battlelog, $db);
			}
		}
		else if ($enemy->hp <= 0) {
			//Calculate losses
			$expwin1 = $enemy->level * 6;
			$expwin2 = (($player->level - $enemy->level) > 0)?$expwin1 - (($player->level - $enemy->level) * 3):$expwin1 + (($player->level - $enemy->level) * 3);
			$expwin2 = ($expwin2 <= 0)?1:$expwin2;
			$expwin3 = round(0.6 * $expwin2);
			$expwin = ceil(rand($expwin3, $expwin2));
			$goldwin = ceil(0.2 * $enemy->gold);
			$goldwin = intval(rand(1, $goldwin));
			$output .= "<br />" . sprintf($lang['msg_battle_won'], $enemy->username) . "<br />\n";
			$battlelog .= "<br />" . sprintf($lang['msg_battle_defeated'], $player->username) . "<br />\n";
			$output .= "<br />" . sprintf($lang['msg_battle_winnings'], $expwin, $goldwin) . "\n";				
			if ($expwin + $player->exp >= $player->maxexp) { //Player gained a level!
				//Update player, gained a level
				$output .= "<br /><b>" . $lang['msg_levelup'] . "</b>";
				$newexp = $expwin + $player->exp - $player->maxexp;
				$query = $db->execute("update `players` set `stat_points`=?, `level`=?, `maxexp`=?, `maxhp`=?, `exp`=?, `gold`=?, `kills`=?, `hp`=?, `energy`=? where `id`=?", array($player->stat_points + 3, $player->level + 1, ($player->level+1) * 70 - 20, $player->maxhp + 30, $newexp, $player->gold + $goldwin, $player->kills + 1, $player->maxhp + 30, $player->energy - 1, $player->id));
			} else {
				//Update player
				$query = $db->execute("update `players` set `exp`=?, `gold`=?, `kills`=?, `hp`=?, `energy`=? where `id`=?", array($player->exp + $expwin, $player->gold + $goldwin, $player->kills + 1, $player->hp, $player->energy - 1, $player->id));
			}
			//Add log message
			$logmsg = sprintf($lang['msg_log_lost'], $player->username);
			addlog($enemy->id, $logmsg, $battlelog, $db);
			//Update enemy (who was defeated)
			$query = $db->execute("update `players` set `hp`=0, `deaths`=? where `id`=?", array($enemy->deaths + 1, $enemy->id));
		} else {
			$output .= "<br />" . $lang['msg_battle_draw'] . "\n";
			$battlelog .= "<br />" . $lang['msg_battle_draw'] . "\n";
			$query = $db->execute("update `players` set `hp`=?, `energy`=? where `id`=?", array($player->hp, $player->energy - 1, $player->id));
			$query = $db->execute("update `players` set `hp`=? where `id`=?", array($enemy->hp, $enemy->id));	
			$logmsg = sprintf($lang['msg_log_draw'], $player->username);
			addlog($enemy->id, $logmsg, $battlelog, $db);
		}
		$player = check_user($secret_key, $db); //Get new stats
		require_once("templates/themes/" . $setting->theme . "/private_header.php");
		echo $output;
		require_once("templates/themes/" . $setting->theme . "/private_footer.php");
		break;

addlog($enemy->id, $logmsg, $battlelog, $db);

function addlog($id, $msg, &$db)