182 lines
5.8 KiB
PHP
182 lines
5.8 KiB
PHP
<?php
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namespace BenBot\Commands;
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use BenBot\Utils;
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class TicTacToe
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{
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private static $bot;
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public static function register(&$that)
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{
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self::$bot = $that;
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self::$bot->game['active'] = false;
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$tic = self::$bot->registerCommand('tic', [__CLASS__, 'startGame'], [
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'description' => 'play tic tac toe!',
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'usage' => '<@user>',
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'registerHelp' => true,
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]);
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$tic->registerSubCommand('stop', [__CLASS__, 'stopGame'], [
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'description' => 'stops current game',
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]);
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echo __CLASS__ . " registered", PHP_EOL;
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}
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// 1 2 3
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// 4 5 6
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// 7 8 9
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// 0 = no piece, 1, 2 for players
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// for position i, x = intval(($i - 1) / 3), y = ($i - 1) % 3
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// $board = [
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// [0, 0, 0],
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// [0, 0, 0],
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// [0, 0, 0],
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// ];
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// functions to register
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public static function startGame($msg, $args)
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{
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if (count($msg->mentions) === 0) {
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return "mention someone who you would like to play with!";
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} elseif (count($msg->mentions) === 1) {
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self::$bot->game = [
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'board' => [
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[":one:", ":two:", ":three:"],
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[":four:", ":five:", ":six:"],
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[":seven:", ":eight:", ":nine:"],
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],
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'game' => 'TicTacToe',
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'players' => [
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":x:" => $msg->author->id
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],
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'turn' => ":x:",
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'active' => true,
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'move_count' => 0,
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];
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foreach ($msg->mentions as $mention) {
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self::$bot->game['players'][":o:"] = $mention->id;
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}
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Utils::send($msg, self::printBoard() . "\n<@" . self::$bot->game['players'][self::$bot->game['turn']] . ">, it's your turn!");
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} else {
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return "can't play tictactoe with more than two people!";
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}
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}
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public static function handleMove($msg)
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{
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$player = self::$bot->game['turn'];
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$text = $msg->content;
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$move = intval($text);
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if (strtolower($text) == "stop" || strtolower($text) == ";tic stop") {
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self::stopGame($msg, []);
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return;
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}
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if ($move > 0 && $move < 10) {
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Utils::send($msg, self::doMove($player, $move));
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return;
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} else {
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Utils::send($msg, "invalid move. enter a number 1-9 or quit with `;tic stop`");
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return;
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}
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}
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public static function doMove($player, $move)
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{
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if (self::placePieceAt($move, $player)) {
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if (self::checkWin()) {
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self::$bot->game['active'] = false;
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return "<@" . self::$bot->game['players'][self::$bot->game['turn']] . "> won";
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} elseif (self::$bot->game['move_count'] >= 9) {
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self::$bot->game['active'] = false;
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return "it's a tie";
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} else {
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self::$bot->game['turn'] = self::$bot->game['turn'] == ":x:" ? ":o:" : ":x:";
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self::$bot->game['move_count']++;
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return self::printBoard() . "\n<@" . self::$bot->game['players'][self::$bot->game['turn']] . ">, it's your turn!";
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}
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} else {
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return "position already occupied!";
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}
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}
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public static function stopGame($msg, $args)
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{
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Utils::deleteMessage($msg);
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self::$bot->game = [
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'active' => false,
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];
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Utils::send($msg, "game stopped")->then(function ($result) {
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self::$bot->loop->addTimer(5, function ($timer) use ($result) {
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Utils::deleteMessage($result);
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});
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});
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}
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// internal functions
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private static function checkWin()
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{
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if ((self::getPieceAt(1) === self::getPieceAt(4)) && (self::getPieceAt(4) === self::getPieceAt(7))) {
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return self::getPieceAt(1);
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} else if ((self::getPieceAt(2) === self::getPieceAt(5)) && (self::getPieceAt(5) === self::getPieceAt(8))) {
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return self::getPieceAt(2);
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} else if ((self::getPieceAt(3) === self::getPieceAt(6)) && (self::getPieceAt(6) === self::getPieceAt(9))) {
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return self::getPieceAt(3);
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} else if ((self::getPieceAt(1) === self::getPieceAt(2)) && (self::getPieceAt(2) === self::getPieceAt(3))) {
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return self::getPieceAt(1);
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} else if ((self::getPieceAt(4) === self::getPieceAt(5)) && (self::getPieceAt(5) === self::getPieceAt(6))) {
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return self::getPieceAt(4);
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} else if ((self::getPieceAt(7) === self::getPieceAt(8)) && (self::getPieceAt(8) === self::getPieceAt(9))) {
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return self::getPieceAt(7);
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} else if ((self::getPieceAt(1) === self::getPieceAt(5)) && (self::getPieceAt(5) === self::getPieceAt(9))) {
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return self::getPieceAt(1);
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} else if ((self::getPieceAt(3) === self::getPieceAt(5)) && (self::getPieceAt(5) === self::getPieceAt(7))) {
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return self::getPieceAt(3);
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} else {
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return false;
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}
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}
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private static function printBoard()
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{
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$response = "";
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foreach (self::$bot->game['board'] as $row) {
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foreach ($row as $col) {
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$response .= $col;
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}
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$response .= "\n";
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}
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return $response;
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}
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private static function getPieceAt($i)
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{
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return self::$bot->game['board'][intval(($i - 1) / 3)][($i - 1) % 3];
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}
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private static function placePieceAt($i, $piece)
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{
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if (self::getPieceAt($i) == ":x:" || self::getPieceAt($i) == ":o:") {
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return false;
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} else {
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self::$bot->game['board'][intval(($i - 1) / 3)][($i - 1) % 3] = $piece;
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return true;
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}
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}
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}
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