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check_mines.php
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<?php
// The Kabal Invasion - A web-based 4X space game
// Copyright © 2014 The Kabal Invasion development team, Ron Harwood, and the BNT development team
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// File: check_mines.php
// Database driven language entries
$langvars = Tki\Translate::load($pdo_db, $lang, array('check_mines', 'common', 'global_includes', 'combat', 'footer', 'news'));
// Get sectorinfo from database
$sql = "SELECT * FROM ::prefix::universe WHERE sector_id=:sector_id LIMIT 1";
$stmt = $pdo_db->prepare($sql);
$stmt->bindParam(':sector_id', $sector);
$stmt->execute();
$sectorinfo = $stmt->fetch(PDO::FETCH_ASSOC);
// Put the defense information into the array defenseinfo
$result3 = $db->Execute("SELECT * FROM {$db->prefix}sector_defense WHERE sector_id = ? and defense_type ='M'", array($sector));
Tki\Db::LogDbErrors($pdo_db, $result3, __LINE__, __FILE__);
// Correct the targetship bug to reflect the player info
$targetship = $playerinfo;
$num_defenses = 0;
$total_sector_mines = 0;
$owner = true;
while (!$result3->EOF)
{
$row = $result3->fields;
$defenses[$num_defenses] = $row;
$total_sector_mines += $defenses[$num_defenses]['quantity'];
if ($defenses[$num_defenses]['ship_id'] != $playerinfo['ship_id'])
{
$owner = false;
}
$num_defenses++;
$result3->MoveNext();
}
// Compute the ship average. If it's too low then the ship will not hit mines.
$shipavg = Tki\CalcLevels::avgTech($targetship, 'ship');
// The mines will attack if 4 conditions are met
// 1) There is at least 1 group of mines in the sector
// 2) There is at least 1 mine in the sector
// 3) You are not the owner or on the team of the owner - team 0 dosent count
// 4) You ship is at least $tkireg->mine_hullsize (setable in config/classic_config.ini) big
if ($num_defenses > 0 && $total_sector_mines > 0 && !$owner && $shipavg > $tkireg->mine_hullsize)
{
// Find out if the mine owner and player are on the same team
$fm_owner = $defenses[0]['ship_id'];
$result2 = $db->Execute("SELECT * FROM {$db->prefix}ships WHERE ship_id = ?;", array($fm_owner));
Tki\Db::LogDbErrors($pdo_db, $result2, __LINE__, __FILE__);
$mine_owner = $result2->fields;
if ($mine_owner['team'] != $playerinfo['team'] || $playerinfo['team'] == 0)
{
// You hit mines
echo "<h1>" . $title . "</h1>\n";
$ok = 0;
$totalmines = $total_sector_mines;
// Before we had an issue where if there were a lot of mines in the sector the result will go -
// I changed the behaivor so that rand will chose a % of mines to attack at will
// (it will always be at least 5% of the mines or at the very least 1 mine);
// and if you are very unlucky they will all hit you
$pren = (random_int(5, 100) / 100);
$roll = round($pren * $total_sector_mines - 1) + 1;
$totalmines = $totalmines - $roll;
// You are hit. Tell the player and put it in the log
$langvars['l_chm_youhitsomemines'] = str_replace("[chm_roll]", $roll, $langvars['l_chm_youhitsomemines']);
echo $langvars['l_chm_youhitsomemines'] . "<br>";
Tki\PlayerLog::WriteLog($pdo_db, $playerinfo['ship_id'], LOG_HIT_MINES, "$roll|$sector");
// Tell the owner that his mines were hit
$langvars['l_chm_hehitminesinsector'] = str_replace("[chm_playerinfo_character_name]", $playerinfo['character_name'], $langvars['l_chm_hehitminesinsector']);
$langvars['l_chm_hehitminesinsector'] = str_replace("[chm_roll]", "$roll", $langvars['l_chm_hehitminesinsector']);
$langvars['l_chm_hehitminesinsector'] = str_replace("[chm_sector]", $sector, $langvars['l_chm_hehitminesinsector']);
Tki\SectorDefense::messageDefenseOwner($pdo_db, $sector, $langvars['l_chm_hehitminesinsector']);
// If the player has enough mine deflectors then subtract the ammount and continue
if ($playerinfo['dev_minedeflector'] >= $roll)
{
$langvars['l_chm_youlostminedeflectors'] = str_replace("[chm_roll]", $roll, $langvars['l_chm_youlostminedeflectors']);
echo $langvars['l_chm_youlostminedeflectors'] . "<br>";
$result2 = $db->Execute("UPDATE {$db->prefix}ships SET dev_minedeflector = dev_minedeflector - ? WHERE ship_id = ?", array($roll, $playerinfo['ship_id']));
Tki\Db::LogDbErrors($pdo_db, $result2, __LINE__, __FILE__);
}
else
{
if ($playerinfo['dev_minedeflector'] > 0)
{
echo $langvars['l_chm_youlostallminedeflectors'] . "<br>";
}
else
{
echo $langvars['l_chm_youhadnominedeflectors'] . "<br>";
}
// Shields up
$mines_left = $roll - $playerinfo['dev_minedeflector'];
$playershields = Tki\CalcLevels::shields($playerinfo['shields'], $tkireg);
if ($playershields > $playerinfo['ship_energy'])
{
$playershields = $playerinfo['ship_energy'];
}
if ($playershields >= $mines_left)
{
$langvars['l_chm_yourshieldshitforminesdmg'] = str_replace("[chm_mines_left]", $mines_left, $langvars['l_chm_yourshieldshitforminesdmg']);
echo $langvars['l_chm_yourshieldshitforminesdmg'] . "<br>";
$result2 = $db->Execute("UPDATE {$db->prefix}ships SET ship_energy = ship_energy - ?, dev_minedeflector = 0 WHERE ship_id = ?", array($mines_left, $playerinfo['ship_id']));
Tki\Db::LogDbErrors($pdo_db, $result2, __LINE__, __FILE__);
if ($playershields == $mines_left)
{
echo $langvars['l_chm_yourshieldsaredown'] . "<br>";
}
}
else
{
// Direct hit
echo $langvars['l_chm_youlostallyourshields'] . "<br>";
$mines_left = $mines_left - $playershields;
if ($playerinfo['armor_pts'] >= $mines_left)
{
$langvars['l_chm_yourarmorhitforminesdmg'] = str_replace("[chm_mines_left]", $mines_left, $langvars['l_chm_yourarmorhitforminesdmg']);
echo $langvars['l_chm_yourarmorhitforminesdmg'] . "<br>";
$result2 = $db->Execute("UPDATE {$db->prefix}ships SET armor_pts = armor_pts - ?, ship_energy = 0, dev_minedeflector = 0 WHERE ship_id = ?", array($mines_left, $playerinfo['ship_id']));
Tki\Db::LogDbErrors($pdo_db, $result2, __LINE__, __FILE__);
if ($playerinfo['armor_pts'] == $mines_left)
{
echo $langvars['l_chm_yourhullisbreached'] . "<br>";
}
}
else
{
// BOOM
$pod = $playerinfo['dev_escapepod'];
Tki\PlayerLog::WriteLog($pdo_db, $playerinfo['ship_id'], LOG_SHIP_DESTROYED_MINES, "$sector|$pod");
$langvars['l_chm_hewasdestroyedbyyourmines'] = str_replace("[chm_playerinfo_character_name]", $playerinfo['character_name'], $langvars['l_chm_hewasdestroyedbyyourmines']);
$langvars['l_chm_hewasdestroyedbyyourmines'] = str_replace("[chm_sector]", $sector, $langvars['l_chm_hewasdestroyedbyyourmines']);
Tki\SectorDefense::messageDefenseOwner($pdo_db, $sector, $langvars['l_chm_hewasdestroyedbyyourmines']);
echo $langvars['l_chm_yourshiphasbeendestroyed'] . "<br><br>";
// Survival
if ($playerinfo['dev_escapepod'] == "Y")
{
$rating = round($playerinfo['rating'] / 2);
echo $langvars['l_chm_luckescapepod'] . "<br><br>";
$resx = $db->Execute("UPDATE {$db->prefix}ships SET hull=0, engines=0, power=0, sensors=0, computer=0, beams=0, torp_launchers=0, torps=0, armor=0, armor_pts=100, cloak=0, shields=0, sector=0, ship_organics=0, ship_ore=0, ship_goods=0, ship_energy=?, ship_colonists=0, ship_fighters=100, dev_warpedit=0, dev_genesis=0, dev_beacon=0, dev_emerwarp=0, dev_escapepod='N', dev_fuelscoop='N', dev_minedeflector=0, on_planet='N', rating=?, cleared_defenses=' ', dev_lssd='N' WHERE ship_id=?", array($tkireg->start_energy, $rating, $playerinfo['ship_id']));
Tki\Db::LogDbErrors($pdo_db, $resx, __LINE__, __FILE__);
Tki\Bounty::cancel($pdo_db, $playerinfo['ship_id']);
}
else
{
// Or they lose!
Tki\Bounty::cancel($pdo_db, $playerinfo['ship_id']);
Tki\Character::kill($pdo_db, $playerinfo['ship_id'], $langvars, $tkireg, false);
}
}
}
}
Tki\Mines::explode($pdo_db, $sector, $roll);
}
}