280 lines
8.8 KiB
PHP
280 lines
8.8 KiB
PHP
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<?php
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//-----------------------------------------------------------------------
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// LegacyWorlds Beta 5
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// Game libraries
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//
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// beta5/ctf/library/checkTargets.inc
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//
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// This function checks the targets' status and sends messages if needed.
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//
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// Copyright(C) 2004-2008, DeepClone Development
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//-----------------------------------------------------------------------
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class beta5_ctf_checkTargets {
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public function __construct($lib) {
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$this->lib = $lib;
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$this->game = $this->lib->game;
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$this->db = $this->game->db;
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}
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public function run() {
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// Get the current status (used later to send messages)
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$initialStatus = $this->getStatus();
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$this->grace = ($initialStatus[0] != 'nohold') ? (3600 * $this->game->params['v2grace']) : 0;
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// Get the list of all target systems
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$q = $this->db->query("SELECT * FROM ctf_target");
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$targets = array();
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while ($r = dbFetchHash($q)) {
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array_push($targets, $r);
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}
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// For each target, check the system's status
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foreach ($targets as $target) {
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$this->checkTargetStatus($target);
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}
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// Get the new status
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$newStatus = $this->getStatus();
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// Check status changes
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$this->checkStatusChanges($initialStatus, $newStatus);
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}
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private function getStatus() {
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// Get the target count
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$q = $this->db->query("SELECT COUNT(*) FROM ctf_target");
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list($tCount) = dbFetchArray($q);
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// For each team, get the count of targets held without grace
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$q = $this->db->query(
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"SELECT held_by, COUNT(*) FROM ctf_target "
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. "WHERE held_by IS NOT NULL AND grace_expires IS NULL "
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. "GROUP BY held_by"
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);
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if (dbCount($q) == 1) {
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list($team, $hCount) = dbFetchArray($q);
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if ($hCount == $tCount) {
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$q = $this->db->query("SELECT MAX(held_since) FROM ctf_target");
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list($heldSince) = dbFetchArray($q);
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return array('held', $team, $heldSince);
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}
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}
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// For each team, get the count of targets held
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$q = $this->db->query(
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"SELECT held_by, COUNT(*) FROM ctf_target "
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. "WHERE held_by IS NOT NULL "
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. "GROUP BY held_by"
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);
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if (dbCount($q) == 1) {
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list($team, $gCount) = dbFetchArray($q);
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if ($gCount == $tCount) {
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$q = $this->db->query("SELECT MIN(grace_expires) FROM ctf_target");
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list($graceExpires) = dbFetchArray($q);
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return array('grace', $team, $graceExpires);
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}
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}
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return array('nohold');
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}
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private function checkTargetStatus($target) {
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// Get the team for each planet in the system
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$q = $this->db->query(
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"SELECT y.alliance FROM planet p, player y "
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. "WHERE y.id = p.owner AND p.system = {$target['system']}"
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);
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// If all planets are being held, list the alliances
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$teams = array();
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$teamPlanets = array();
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while ($r = dbFetchArray($q)) {
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if (array_key_exists($r[0], $teamPlanets)) {
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$teamPlanets[$r[0]] ++;
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} else {
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$teamPlanets[$r[0]] = 1;
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array_push($teams, $r[0]);
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}
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}
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if (count($teams) == 1 && $teamPlanets[$teams[0]] == 6) {
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// One team is holding the whole system
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$this->heldByTeam($target, $teams[0]);
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} else {
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// The system is not being held by any particular team
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$this->notHeld($target);
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}
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}
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private function heldByTeam($target, $team) {
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$tid = $target['system'];
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if (is_null($target['held_by'])) {
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// If only one team is holding the planets and the system was
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// not marked as being held, mark it
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logText("Target #$tid now held by team #$team");
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$this->assignTarget($target['system'], $team);
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} elseif ($target['held_by'] == $team && ! is_null($target['grace_expires'])) {
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// If the target was being held by the team but had a grace expiration,
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// cancel grace period expiration and increase held_by accordingly
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logText("Target #$tid held by team #$team again, grace cancelled");
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$gracePeriod = time() - $target['grace_expires'] + $this->grace;
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$this->db->query(
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"UPDATE ctf_target "
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. "SET grace_expires = NULL, held_since = held_since + $gracePeriod "
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. "WHERE system = {$target['system']}"
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);
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} elseif ($target['held_by'] != $team && $this->grace > 0) {
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// The target is now being held by another team and the game
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// has support for grace periods
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if (is_null($target['grace_expires'])) {
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// No grace was set - set it
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logText("Target #$tid held by team #$team, setting grace for previous holder #"
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. $target['held_by']);
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$this->setGrace($target['system'], $this->grace);
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} elseif ($target['grace_expires'] <= time()) {
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// Grace has expired, but a new team is holding the system
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logText("Target #$tid now held by team #$team, grace ended for previous holder #"
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. $target['held_by']);
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$this->assignTarget($target['system'], $team);
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}
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} elseif ($target['held_by'] != $team) {
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// The target is now being held by another team, and there is no
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// grace period
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logText("Target #$tid now held by team #$team, no grace for previous holder #"
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. $target['held_by']);
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$this->assignTarget($target['system'], $team);
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}
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}
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private function notHeld($target) {
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// If the target wasn't being held before, we're done
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if (is_null($target['held_by'])) {
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return;
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}
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$tid = $target['system'];
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if ($this->grace > 0) {
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// If there is support for grace periods
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if (is_null($target['grace_expires'])) {
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// Grace period wasn't set - set it
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$this->setGrace($target['system'], $this->grace);
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logText("Target #$tid no longer held by team #{$target['held_by']}, setting grace");
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} elseif ($target['grace_expires'] <= time()) {
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// Grace period expired, no-one's holding the system
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logText("Target #$tid no longer held by team #{$target['held_by']}, grace ended");
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$this->unassignTarget($target['system']);
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}
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} else {
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// No grace periods, no-one's holding the system
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logText("Target #$tid no longer held by team #{$target['held_by']}, no grace");
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$this->unassignTarget($target['system']);
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}
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}
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private function assignTarget($target, $team) {
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$this->db->query(
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"UPDATE ctf_target "
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. "SET held_by = $team, "
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. "held_since = UNIX_TIMESTAMP(NOW()), "
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. "grace_expires = NULL "
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. "WHERE system = $target"
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);
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}
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private function setGrace($target, $grace) {
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$this->db->query(
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"UPDATE ctf_target SET grace_expires = UNIX_TIMESTAMP(NOW()) + $grace WHERE system = $target"
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);
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}
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private function unassignTarget($target) {
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$this->db->query(
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"UPDATE ctf_target "
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. "SET held_by = NULL, held_since = NULL, grace_expires = NULL "
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. "WHERE system = $target"
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);
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}
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private function checkStatusChanges($initialStatus, $newStatus) {
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$winTime = $this->game->params['v2time'] * 3600;
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// Status hasn't changed
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if ($initialStatus[0] == $newStatus[0] && $initialStatus[1] == $newStatus[1]) {
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// Check for victory / halfway to victory
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if ($initialStatus[0] == 'held') {
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$halfWay = $initialStatus[2] + $winTime / 2;
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$victory = $initialStatus[2] + $winTime;
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$now = time();
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if ($now >= $halfWay && $now < $halfWay + 21) {
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$this->statusMessage(10, 11, $newStatus[1], $victory);
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} elseif ($now >= $victory) {
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// If the game is finished, we shouldn't be here anyways
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$this->lib->call('resetGame', $newStatus[1]);
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}
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}
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return;
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}
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// Status changed, send messages
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logText("CTF Status: (" . join(',',$initialStatus) . ") -> (" . join(',',$newStatus) . ")");
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if ($initialStatus[0] == 'nohold' && $newStatus[0] == 'held') {
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// The targets are now being held by a team
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$this->statusMessage(2, 3, $newStatus[1], $newStatus[2] + $winTime);
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} elseif ($initialStatus[0] == 'grace' && $newStatus[0] == 'nohold') {
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// Targets are no longer being held (no grace period)
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$this->statusMessage(6, 9, $initialStatus[1]);
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$this->cancelAllGraces();
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} elseif ($initialStatus[0] == 'held' && $newStatus[0] == 'nohold') {
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// Targets are no longer being held (no grace period)
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$this->statusMessage(5, 8, $initialStatus[1]);
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} elseif ($initialStatus[0] == 'held' && $newStatus[0] == 'grace') {
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// Targets are no longer being held (with grace period)
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$this->statusMessage(4, 7, $initialStatus[1], $newStatus[2]);
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} elseif ($initialStatus[0] == 'held' && $newStatus[0] == 'held') {
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// Targets are now held by another team
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$this->statusMessage(5, 8, $initialStatus[1]);
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$this->statusMessage(2, 3, $newStatus[1], $newStatus[2] + $winTime);
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} elseif ($initialStatus[0] == 'grace' && $newStatus[0] == 'held') {
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if ($initialStatus[1] != $newStatus[1]) {
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// Other team gained control
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$this->statusMessage(6, 9, $initialStatus[1]);
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}
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$this->statusMessage(2, 3, $newStatus[1], $newStatus[2] + $winTime);
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}
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}
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private function statusMessage($toTeam, $toOthers, $team, $timestamp = null) {
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$q = $this->db->query("SELECT id,alliance FROM player");
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while ($r = dbFetchArray($q)) {
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$this->lib->call('message', $r[0], $r[1] == $team ? $toTeam : $toOthers, $team, $timestamp);
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}
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}
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private function cancelAllGraces() {
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$this->db->query("UPDATE ctf_target SET grace_expires = NULL");
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}
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}
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?>
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