benbot/src/Commands/TicTacToe.php

223 lines
8.0 KiB
PHP

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