<?php
#page used to hold random event related functions (save on processing time in non-random event games).



#function to check if user has just run into random event. Called from location.php (transwarp/subspace/normal moving)
function random_event_checker($star,$user,$autowarp) {
	global $db_name, $turns_safe;

	if($star[event_random] == 1) {
		if ($user[turns_run] < $turns_safe) {
			$ret_str = "<div align=\"center\">Warning! Warning! <b class=b1>Black hole</b> Warning! Warning!</div>";
			$ret_str .= "<p>Only your newbie status saved you from a grisly affair. Next time you mightn't be so lucky.";
			$ret_str .= "<div align=\"center\"><p>Warp: ";
			if($star[link_1]) {
				$ret_str .= "&lt;<a href=location.php?toloc=$star[link_1]>$star[link_1]</a>&gt; ";
			}
			if($star[link_2]) {
				$ret_str .= "&lt;<a href=location.php?toloc=$star[link_2]>$star[link_2]</a>&gt; ";
			}
			if($star[link_3]) {
				$ret_str .= "&lt;<a href=location.php?toloc=$star[link_3]>$star[link_3]</a>&gt; ";
			}
			if($star[link_4]) {
				$ret_str .= "&lt;<a href=location.php?toloc=$star[link_4]>$star[link_4]</a>&gt; ";
			}
			if($star[link_5]) {
				$ret_str .= "&lt;<a href=location.php?toloc=$star[link_5]>$star[link_5]</a>&gt; ";
			}
			if($star[link_6]) {
				$ret_str .= "&lt;<a href=location.php?toloc=$star[link_6]>$star[link_6]</a>&gt; ";
			}

			if($autowarp) {
				$path_str = str_replace("+", " ", $autowarp);
				$autowarp_path = array();
				$autowarp_path = explode(" ", $path_str);
				//$ret_str .= "<br />Path_str is $path_str";
				$next_sector = array_shift($autowarp_path);
				//$ret_str .= " Next Sector is $next_sector";
				if($next_sector && ($next_sector == $star[link_1] || $next_sector == $star[link_2] || $next_sector == $star[link_3] || $next_sector == $star[link_4] || $next_sector == $star[link_5] || $next_sector == $star[link_6])) {
					$temp328 = implode($autowarp_path, "\x2B");
					if($temp328){
						$ret_str .= "<br />AutoWarp to Next System: &lt;<a href=location.php?toloc=$next_sector&autowarp=$temp328>$next_sector</a>&gt;";
					} else {
						$ret_str .= "<br />AutoWarp to Next System: &lt;<a href=location.php?toloc=$next_sector>$next_sector</a>&gt;";
					}
				}
			}
			$ret_str .= "</div>";

			print_header("Black Hole");


			#echo '<blockquote>';
			print_status();
			echo $ret_str;
			echo '</td></tr></table>';
			echo '</body></html>';
			exit();
			} else {
				black_hole($user,$star);
			}

		//player runs into nebula
		} elseif ($star[event_random] == 2) {
			dbn(__FILE__,__LINE__,"update ${db_name}_ships set shields = 0 where login_id = $user[login_id] && location = $user[location] && $user[login_id] != 1");	
			$user_ship[shields] = 0;

		#Solar Storm
		} elseif ($star[event_random] == 12) {
			dbn(__FILE__,__LINE__,"update ${db_name}_ships set shields = 0 where login_id = '$user[login_id]' && location = '$user[location]' && '$user[login_id]' != 1");	
			$user_ship[shields] = 0;
		
		//end random things
		}
}

# -----------------------------------------
# Other functions


//Black Hole
// Maug - Hope you don't mind this re-write.
// Previous function didn't account for fleet locations
// Sack the space monkey
		//Hades, space monkeys are very stubborn :)
function black_hole($user,$star, $multi = 0) {
global $db_name,$user_ship;

	$bh_text = "Warning! Warning! System <b>$star[star_id]</b> had a Black Hole in it. <br />You were nearly pulled in, but you managed to escape in the nick of time.<br />However, whilst escaping you were flung to another star system, and took varying degrees of damage to all ships you were towing.";
	
	// Get fleets in system owned by player
	db(__FILE__,__LINE__,"select fleet_id from ${db_name}_fleets where location = $user[location] AND login_id = $user[login_id]");
	
	while($fleet = dbr()) {
		// Set fleet location
		$rand_star = safe_rand_star($user_ship['location']);
		dbn(__FILE__,__LINE__,"update ${db_name}_fleets set location = $rand_star where fleet_id = $fleet[fleet_id]");
		
		// Get ships in current fleet
		$ADODB_FETCH_MODE = 2;
		db2(__FILE__,__LINE__,"select ship_id,shields,fighters,ship_name from ${db_name}_ships where fleet_id = $fleet[fleet_id]");
		
		while($f_ship = dbr2()) {
			// Set ship location same as fleet
			dbn(__FILE__,__LINE__,"update ${db_name}_ships set location = $rand_star where ship_id = $f_ship[ship_id]");
			if($f_ship['ship_id'] == $user['ship_id']) {
				dbn(__FILE__,__LINE__,"update ${db_name}_users set location = $rand_star where login_id = $user[login_id]");
			}
			
			// Calculate and apply damage
			$totaldefs = $f_ship[shields] + $f_ship[fighters];
	
			if($totaldefs > 9) {
				$damtodo = round((($totaldefs /100) * 5) * $multi);
				$damtodo2 = $damtodo;
				$shield_damage = $damtodo;
				if($shield_damage > $f_ship['shields']) {
					$shield_damage = $f_ship['shields'];
				}
				$damtodo -= $shield_damage;
	
				dbn(__FILE__,__LINE__,"update ${db_name}_ships set fighters = fighters - $damtodo, shields = shields - $shield_damage where ship_id = '$f_ship[ship_id]'");
				$bh_text .= "<br />The <b class=b1>$f_ship[ship_name]</b> took <b>$damtodo2</b> damage and was thrown to system #<b>$rand_star</b>.";
			}
		}
	}

	post_news("Mayday, Mayday. Am <b class=b1>$user[login_name]</b>. Have found a black hole in syste ...... *crackle* ..... Need help.... *static*");

	print_page("Location",$bh_text);
}

function safe_rand_star($current=0) {
global $db_name;

	// Get safe systems from database
	db3(__FILE__,__LINE__,"select star_id from ${db_name}_stars where event_random <> 1 AND star_id <> $current");
	
	$ar_star = array();
	while($total = dbr3()) {
		$ar_star[] = $total['star_id'];
	}
	$rand_star = mt_rand(2,count($ar_star));
	return $ar_star[$rand_star];
}
?>