/global_funcs.php

<?php

// This program is free software; you can redistribute it and/or modify it   

// under the terms of the GNU General Public License as published by the	 

// Free Software Foundation; either version 2 of the License, or (at your	

// option) any later version.												

// 

// File: global_funcs.php



if (preg_match("/global_funcs.php/i", $_SERVER['PHP_SELF'])) 

{

	echo "You can not access this file directly!";

	die();

}



if ((!isset($_SESSION['langdir'])) || ($_SESSION['langdir'] == ''))

{

	$_SESSION['langdir'] = $default_lang;

}



$langdir = $_SESSION['langdir'];



include ("languages/$langdir/lang_common.inc");



if (!preg_match("/create_game.php/i", $_SERVER['PHP_SELF']))

{

	$shiptypes = $db->GetToFieldArray("SELECT * FROM {$db_prefix}ship_types", '', 'type_id');

}



function checklogin()

{

	$flag = 0;



	global $db, $db_prefix, $playerinfo, $shipinfo, $sectorinfo, $galaxyinfo, $shipdevice, $shipcommodities, $galaxyinfo; 

	global $enable_spies, $response, $player_onlinetime_left, $playeroutoftime;

	global $l_global_needlogin, $l_global_died, $l_login_died, $l_die_please;

	global $start_fighters, $start_armor, $start_energy, $noreturn, $silent, $create_game, $refreshcount, $refresh_max, $idle_max;

	global $server_closed, $player_online_timelimit, $l_global_limitreached;

	global $l_login_closed_message, $onlinetime_left, $tournament_setup_access, $enable_mass_logging;

//echo print_r($_SESSION) . "<br>";

	if(!array_key_exists ('session_player_id', $_SESSION))

	{

		if($noreturn != 1)

		{

			echo $l_global_needlogin;

		}

		return 1;

	}



	if ($_SESSION['session_player_id'] == '' || empty($_SESSION['session_player_id']))

	{

		if($noreturn != 1)

		{

			echo $l_global_needlogin;

		}

		return 1;

	}



	$temp = $silent;

	$silent = 1;



	$debug_query = $db->SelectLimit("SELECT {$db_prefix}players.*, {$db_prefix}teams.team_name, {$db_prefix}teams.id

								FROM {$db_prefix}players

								LEFT JOIN {$db_prefix}teams ON {$db_prefix}players.team = {$db_prefix}teams.id

								WHERE {$db_prefix}players.player_id=$_SESSION[session_player_id]", 1);

	db_op_result($debug_query,__LINE__,__FILE__);

//	$debug_query = $db->SelectLimit("SELECT * FROM {$db_prefix}players WHERE player_id='$_SESSION[session_player_id]'", 1);

	$playerinfo = $debug_query->fields;

	$_SESSION['character_name'] = $playerinfo['character_name'];

	$_SESSION['team_name'] = $playerinfo['team_name'];

	$_SESSION['team_id'] = $playerinfo['id'];

	$_SESSION['langdir'] = $playerinfo['langdir'];

	$debug_query->close();



	if ($playerinfo['logged_out'] == 'Y')

	{

		if($noreturn != 1)

			echo $l_global_needlogin;

		return 1;

	}



	if($playerinfo['allow_avatar'] == 0)

		$playerinfo['avatar'] = '';



	// Check sessionid against database

	if (session_id() != $playerinfo['sessionid'])

	{

		echo $l_global_needlogin;

		$flag = 1;

	}



	$stamp = date("Y-m-d H:i:s");

	$time_diff = (TIME() - strtotime($playerinfo['last_login']));



	$delay_flag = 0;



	if(empty($_SESSION['artifact']) || !isset($_SESSION['artifact']))

	{

		$_SESSION['artifact'] = 0;

	}



	if(((TIME() - $_SESSION['artifact']) / 60) > $idle_max)

	{

		$_SESSION['artifact'] = 0;

	}



	if($time_diff / 60 > $idle_max || $refreshcount >= $refresh_max)

	{

//		echo rawurldecode($_SERVER['PHP_SELF']) . "</br>";

		$_SESSION['artifact'] = 0;

		if (stristr($_SERVER['PHP_SELF'], "team_forum.php") || 

		stristr($_SERVER['PHP_SELF'], "casino.php") || 

		stristr($_SERVER['PHP_SELF'], "message_send.php") || 

		stristr($_SERVER['PHP_SELF'], "feedback.php") || 

		stristr($_SERVER['PHP_SELF'], "sector_notes.php"))

		{

			$flag = 1;

			$delay_flag = 1;

		}

		else

		{

			$stamp = date("Y-m-d H:i:s", (TIME() - 360));

			$debug_query = $db->Execute("UPDATE {$db_prefix}players SET last_login='$stamp', logged_out='Y', profile_cached='Y', player_total_online=player_total_online+$time_diff, player_online_time=player_online_time+$time_diff, sessionid='' WHERE player_id = $playerinfo[player_id]");



			session_destroy();

			if($noreturn != 1)

			{

				echo $l_global_needlogin;

			}

			return 1;

		}

	}



	$onlinetime_left = ($player_online_timelimit == 0) ? 0 : $player_online_timelimit - floor(($playerinfo['player_online_time'] + $time_diff) / 60);



	$player_onlinetime_left = ($player_online_timelimit * 60) - ($playerinfo['player_online_time'] + $time_diff);



	$playeroutoftime = 0;

	if($player_online_timelimit != 0 && $onlinetime_left < 0)

	{

		$playeroutoftime = 1;

		$tournament_setup_access = 1;

	}



	if($tournament_setup_access == 1)

	{

		$time_diff = 0;

	}



	$silent = $temp;



	$debug_query = $db->SelectLimit("SELECT * FROM {$db_prefix}ships WHERE player_id=$playerinfo[player_id] AND ship_id=$playerinfo[currentship]", 1);

	db_op_result($debug_query,__LINE__,__FILE__);

	$shipinfo = $debug_query->fields;

	$debug_query->close();



	$shipdevice = $db->GetToFieldArray("SELECT * FROM {$db_prefix}ship_devices WHERE ship_id=$playerinfo[currentship]", '', 'class');

	$shipcommodities = $db->GetToFieldArray("SELECT * FROM {$db_prefix}ship_holds WHERE ship_id=$playerinfo[currentship]", '', 'cargo_name');



	$result2 = $db->SelectLimit("SELECT {$db_prefix}universe.*, {$db_prefix}universe_galaxy.galaxy_name FROM {$db_prefix}universe, {$db_prefix}universe_galaxy WHERE {$db_prefix}universe.sector_id='$shipinfo[sector_id]' and {$db_prefix}universe_galaxy.galaxy_id={$db_prefix}universe.galaxy_id", 1);

	db_op_result($result2,__LINE__,__FILE__);

	$sectorinfo = $result2->fields;

	$result2->close();



	$result2 = $db->SelectLimit("SELECT * FROM {$db_prefix}universe_galaxy WHERE galaxy_id='$sectorinfo[galaxy_id]'", 1);

	db_op_result($result2,__LINE__,__FILE__);

	$galaxyinfo = $result2->fields;

	$result2->close();



	if ($shipinfo['cleared_defenses'] > ' ')

	{

		header("location: $shipinfo[cleared_defenses]\n");

	}



	if ($playerinfo['destroyed'] == "Y") // Check for destroyed ship

	{

		if ($shipdevice['dev_escapepod']['amount'] == 1)  // If the player has an escapepod, set the player up with a new ship.

		{

			include ("globals/player_ship_destroyed.inc");

			player_ship_destroyed($shipinfo['ship_id'], $playerinfo['player_id'], $playerinfo['rating'], 0, 0);



			echo $l_login_died;

			$flag = 1;

		}

		else

		{

			if(basename($_SESSION['currentprogram']) != 'login_process.pgp' && basename($_SESSION['currentprogram']) != 'log.php')

			{

				echo $l_global_died . "<br>";

				echo $l_die_please . "<br>";

				echo $l_global_needlogin . "<br>";

				$flag = 1;

			}

		}

	}



	if ($playerinfo['destroyed'] == "K") // Check for destroyed ship

	{

		$debug_query = $db->Execute("UPDATE {$db_prefix}players SET destroyed='N' WHERE player_id=" . $playerinfo['player_id']);

		db_op_result($debug_query,__LINE__,__FILE__);

	}



	if ($server_closed && $flag == 0 && $playerinfo['admin'] == 0)

	{

		echo $l_login_closed_message;

		$flag = 1;

	}



	if($flag != 1)

	{

		$debug_query = $db->Execute("UPDATE {$db_prefix}players SET last_login='$stamp', player_total_online=player_total_online+$time_diff, player_online_time=player_online_time+$time_diff WHERE player_id = $playerinfo[player_id]");

	}



	if($playerinfo['admin_extended_logging'] == 1 || $enable_mass_logging == 1)

	{

		$get_data = "";

		$post_data = "";

		if (!empty($_GET)) {

			$get_data = print_r($_GET, true);

		} else if (!empty($HTTP_GET_VARS)) {

			$get_data = print_r($HTTP_GET_VARS, true);

		}



		if (!empty($_POST)) {

			$post_data = print_r($_POST, true);

		} else if (!empty($HTTP_POST_VARS)) {

			$post_data = print_r($HTTP_POST_VARS, true);

		}



		$query = "INSERT INTO {$db_prefix}admin_extended_logging (player_id, time,  request_uri, get_data, post_data, score, ip_address, currentship, credits, turns, player_online_time) 

		VALUES ($playerinfo[player_id], '$stamp', " . $db->qstr($_SERVER['REQUEST_URI']) . ", " . $db->qstr($get_data) . ", " . $db->qstr($post_data) . ", $playerinfo[score], '$playerinfo[ip_address]', $playerinfo[currentship], $playerinfo[credits], $playerinfo[turns], $player_onlinetime_left)"; 

		$debug_query = $db->Execute($query);

		db_op_result($debug_query,__LINE__,__FILE__);

	}



	if($delay_flag == 1)

	{

		$flag = 0;

	}



	return $flag;

}



function mypw($one,$two)

{

	return exp($two * log(max($one, 1)));

}



function MaxCreditsPOW($one,$two)

{

	global $max_tech_level;

	$increment = 0;



	$oldvalue = 0;

	$breakpoint = floor($max_tech_level * 0.435);

	if($two > $breakpoint)

	{

		$oldvalue = pow($one,$breakpoint);

		$multiplier = pow($one,$breakpoint) - pow($one,($breakpoint - 1));

		$numberlevels = $two - $breakpoint;

		$newvalue = $numberlevels * ($multiplier + pow($one, ($two - $breakpoint)));



		$breakpoint2 = floor($max_tech_level * 0.62);

		if($two > $breakpoint2)

		{

			$numberlevels = $breakpoint2 - $breakpoint;

			$newvalue = $numberlevels * ($multiplier + pow($one, ($breakpoint2 - $breakpoint)));

			$numberlevels = $breakpoint2 - $breakpoint + 1;

			$newvalue2 = $numberlevels * ($multiplier + pow($one, ($breakpoint2 - $breakpoint)));

			$increment = $newvalue2 - $newvalue;

			$newvalue = ($increment * ($two - $breakpoint)) + (110000 * ($two - $breakpoint2));

			return $newvalue + $oldvalue;

		}

		else

		{

			return $newvalue + $oldvalue;

		}

	}

	else

	{

		return pow($one,$two);

	}

}



function phpChangeDelta($desiredvalue,$currentvalue)

{

	global $upgrade_cost, $upgrade_factor;

	return (mypw($upgrade_factor, $desiredvalue) - mypw($upgrade_factor, $currentvalue)) * $upgrade_cost;

}



function phpChangePlanetDelta($desiredvalue,$currentvalue)

{

	global $upgrade_cost, $planet_upgrade_factor;

	return (mypw($planet_upgrade_factor, $desiredvalue) - mypw($planet_upgrade_factor, $currentvalue)) * $upgrade_cost;

}



function phpChangePlanetSDDelta($desiredvalue,$currentvalue)

{

	global $upgrade_cost, $planet_SD_upgrade_factor;

	return (mypw($planet_SD_upgrade_factor, $desiredvalue) - mypw($planet_SD_upgrade_factor, $currentvalue)) * $upgrade_cost;

}



function phpMaxCreditsDelta($desiredvalue,$currentvalue)

{

	global $upgrade_cost, $planet_upgrade_factor;



	return MaxCreditsPOW($planet_upgrade_factor, $desiredvalue) * $upgrade_cost;

}



function NUMBER($number, $decimals = 0)

{

	global $local_number_dec_point;

	global $local_number_thousands_sep;

	return number_format($number, $decimals, $local_number_dec_point, $local_number_thousands_sep);

}



function NUM_PER_LEVEL($level)

{

	global $level_factor;

	return round(mypw($level_factor, $level) * 10);

}



function NUM_HOLDS($level_hull)

{

	return NUM_PER_LEVEL($level_hull);

}



function NUM_ENERGY($level_power)

{

	global $level_factor;

	return round(mypw($level_factor, $level_power) * 50);

}



function NUM_FIGHTERS($level_fighter)

{

	return NUM_PER_LEVEL($level_fighter);

}



function NUM_TORPEDOES($level_torp_launchers)

{

	return NUM_PER_LEVEL($level_torp_launchers);

}



function NUM_armor($level_armor)

{

	return NUM_PER_LEVEL($level_armor);

}



function NUM_SENSORS($level_sensors)

{

	return NUM_PER_LEVEL($level_sensors);

}



function NUM_BEAMS($level_beams)

{

	return NUM_PER_LEVEL($level_beams);

}



function NUM_SHIELDS($level_shields)

{

	return NUM_PER_LEVEL($level_shields);

}



function SCAN_SUCCESS($level_scan, $level_cloak, $hullsize = 0)

{

	if($hullsize > 0)

	{

		$level_cloak += ( 150 - $hullsize);

	}



	$level_scan = max(0.01, $level_scan);

	$level_cloak = max(0.01, $level_cloak);

	$success = $level_scan / $level_cloak;

	if($success > 1)

	{

		$success = -$level_cloak / $level_scan;

		$success = 50 + (50 - (abs($success) * 50));

	}

	else if($success == 1)

	{

		$success = 50;

	}

	else

	{

		$success = ($success * 50) - 10;

	}

	$success = min(max($success, 1), 90);

	return floor($success);

}



function SCAN_ERROR($level_scan, $level_cloak, $correct_value)

{

	$level_scan = max(0.01, $level_scan);

	$level_cloak = max(0.01, $level_cloak);

	$success = $level_scan / $level_cloak;

	if($success > 1)

	{

		$success = -$level_cloak / $level_scan;

		$success = 50 + (50 - (abs($success) * 50));

	}

	else if($success == 1)

	{

		$success = 50;

	}

	else

	{

		$success = ($success * 50) - 10;

	}

	$success = min(max($success, 1), 100);



	$sc_error = 100 - floor($success);



	if(mt_rand(1, 100) <= $sc_error)

	{

		// scan errored and returned false info

		$halfpercent = floor($sc_error / 2);

		$sc_error = floor($correct_value * (mt_rand((100000 - ($halfpercent * 1000)), (100000 + ($halfpercent * 1000)))) / 100000);

	}

	else

	{

		// scan worked and returned almost correct info

		// 99% to 101% of the correct value

		$sc_error = floor($correct_value * (mt_rand(99999, 100999) / 100000));

		$sc_error = $correct_value;

	}

	return $sc_error;

}



function get_dirlist($dirPath)

{

	if ($handle = opendir($dirPath)) 

	{

		while (false !== ($file = readdir($handle))) 

			if ($file != "." && $file != "..") 

				$filesArr[] = trim($file);

			closedir($handle);

	}

	return $filesArr; 

}



function update_player_experience($player_id, $experience){

	global $db, $db_prefix;

    if ($experience==""){

        $experience=0;

    }

	$debug_query = $db->Execute("UPDATE {$db_prefix}players SET experience=GREATEST(experience + $experience, 0) WHERE player_id=$player_id");

	db_op_result($debug_query,__LINE__,__FILE__);

//	adminlog("LOG0_RAW","UPDATE {$db_prefix}players SET experience=GREATEST(experience + $experience, 0) WHERE player_id=$player_id");

}



// remove all non-numerics but leave decimal point

function stripnum($str)

{

	$str = (string)$str;

	$output = AAT_ereg_replace("[^0-9.]","",$str);

	return (float)$output;

}



//remove all non-numerics

function StripNonNum($str)

{

  $str=(string)$str;

  $output = AAT_ereg_replace("[^0-9]","",$str);

  return $output;

}



function close_database(){

	global $db;



//	$db->close();

}



function sign( $data )

{

	if ($data > 0)

	{

		return 1;

	}

	elseif ($data < 0)

	{

		return -1;

	}

	else

	{

		return 0;

	}

}



function db_op_result($query,$served_line,$served_page)

{

	global $db, $db_prefix, $silent, $_SERVER, $cumulative, $db_type;



	if ($db->ErrorNo() == 0)

	{

		if (!$silent)

		{

			echo "<font color=\"lime\">- operation completed successfully.</font><br>\n";

		}

	}

	else

	{

		$temp_error = $db->ErrorMsg();

		$dberror = "A Database error occurred in " . $served_page . " on line " . ($served_line-1) . " (called from: $_SERVER[PHP_SELF]): " . $temp_error . " - Original SQL: " . $db->sql;

		$dberror = AAT_ereg_replace("'","&#039;",$dberror); // Allows the use of apostrophes.

		adminlog("LOG0_ADMIN_DBERROR", $dberror);

		$cumulative = 1; // For areas with multiple actions needing status - 0 is all good so far, 1 is at least one bad.



		if(strstr(AAT_strtolower($temp_error), "can't open file") and strstr(AAT_strtolower($temp_error), ".myi") and strstr($temp_error, "145")){

			$deoperror = 1;

			adminlog("LOG0_ADMIN_DBERROR","Running sched_repair.inc to repair table.");

			include ("scheduler/sched_repair.inc");

		}



		if (!$silent)

		{

			echo "<font color=\"red\">- failed to complete database operation in $served_page on line " .($served_line-1). ". Error code follows:\n";

			echo "<hr>\n";

			echo $temp_error . "<br><br>Original SQL: " . $db->sql;

			echo "<hr>\n";

			echo "</font><br>\n";

		}

	}

}



function template_display($templatename, $templatefile)

{

	global $template_object;



	if(is_file($gameroot.$templatename.$templatefile)){

		$template_object->display($templatename.$templatefile);

	}

	else

	{

		$template_object->display("master_template/" . $templatefile);

	}

}



function playerlog($sid, $log_type, $data = '')

{

	global $db, $db_prefix;



	// write log_entry to the player's log - identified by player's player_id - sid.

	if ($sid != '' && !empty($log_type))

	{

		$stamp = date("Y-m-d H:i:s");

		$debug_query = $db->Execute("INSERT INTO {$db_prefix}logs (player_id, type, time, data) VALUES($sid, '$log_type', '$stamp', " . $db->qstr($data) . ")");

		db_op_result($debug_query,__LINE__,__FILE__);

	}

}



function adminlog($log_type, $data = '')

{

	global $db, $db_prefix;



	// Failures should be silent, since its the admin log.

	$silent = 1;



	// write log_entry to the admin log

	if (!empty($log_type))

	{

		$stamp = date("Y-m-d H:i:s");

		$debug_query = $db->Execute("INSERT INTO {$db_prefix}admin_log (type, time, data) VALUES('$log_type', '$stamp', " . $db->qstr($data) . ")");

		db_op_result($debug_query,__LINE__,__FILE__);

	}

}



?>