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functions.php
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functions.php
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<?php
// GET LEVEL PARAMETERS
function get_level($level_number)
{
$levels = file(__DIR__ . "/levels.cfg"); // __DIR__ is used to get the absolute path of the file.
$level = explode(";", $levels[$level_number]);
array_push($level, $level_number, 1);
return $level;
}
// GET USER AND USER POINTS OF SESSION
function getUserDetails()
{
if ($_SESSION['survivalMode'])
return $_SESSION['easterEggColor'] . ";" . $_SESSION['user'] . ";" . $_SESSION['survivalPoints'];
else
return $_SESSION['easterEggColor'] . ";" . $_SESSION['user'] . ";" . $_SESSION['points'];
}
// WRITE NEW USER IN RANKING FILE
function writeInRankingFile($userStr)
{
file_put_contents(__DIR__ . '/ranking.cfg', $userStr . PHP_EOL, FILE_APPEND | LOCK_EX);
}
// READ ALL LINES OF RANKING FILE
function reedRankingFile($file)
{
$users = [];
$rankingFile = fopen(__DIR__ . $file, "r") or die("Unable to open file!");
while (!feof($rankingFile)) {
$line = fgets($rankingFile);
if ($line != "") {
list($color, $user, $points) = explode(";", $line);
array_push($users, array("color" => $color, "user" => $user, "points" => intval($points)));
}
}
return $users;
}
// CALCULATE USER POINTS WITH THE FORMULA
function rankingResultOperation($level, $userTime)
{
list($x, $y) = explode("x", $level[1]);
$squares = $x * $y;
$goodSquares = $level[2];
$showTime = $level[3];
$try = $level[6];
return ((((($squares * $showTime) / $goodSquares) - $userTime) * 100) / $try);
}
// GET NUM OF IMPOSTOR SQUARES AND NORMAL SQUARES
function impostorAndNormalSquares($squares)
{
$imposterSquares = floor($squares / 2);
$normalSquares = $squares - $imposterSquares;
return [$imposterSquares, $normalSquares];
}
// CREATE NORMAL TABLE WITHOUT IMPOSTOR MODE
function createNormalBoard($grid, $numbers)
{
$randomCounter = 1;
for ($rowCounter = 0; $rowCounter < $grid[0]; $rowCounter++) {
echo "<tr>";
for ($columnCounter = 0; $columnCounter < $grid[1]; $columnCounter++) {
if (in_array($randomCounter++, $numbers)) {
echo "<td><button type='submit' class='square option solution' disabled></button></td>";
} else {
echo "<td><button type='submit' class='square option' disabled></button></td>";
}
}
echo "</tr>";
}
}
// CREATE NORMAL TABLE WITH IMPOSTOR MODE
function createImposterBoard($grid, $numbers, $imposterNumbers)
{
$randomCounter = 1;
for ($rowCounter = 0; $rowCounter < $grid[0]; $rowCounter++) {
echo "<tr>";
for ($columnCounter = 0; $columnCounter < $grid[1]; $columnCounter++) {
if (in_array($randomCounter, $numbers)) {
$randomCounter++;
echo "<td><button type='submit' class='square option solution' disabled></button></td>";
} elseif (in_array($randomCounter, $imposterNumbers)) {
$randomCounter++;
echo "<td><button type='submit' class='square option impostor' disabled></button></td>";
} else {
$randomCounter++;
echo "<td><button type='submit' class='square option' disabled></button></td>";
}
}
echo "</tr>";
}
}
// GENERATE RANDOM NUMBER FOR THE TABLE
function generateRandomNumbers($limit, $gridTotal, $compareArray = [])
{
$numbers = [];
while (count($numbers) != $limit) {
$randomNumber = mt_rand(1, $gridTotal);
if (!in_array($randomNumber, $numbers) && !in_array($randomNumber, $compareArray)) {
array_push($numbers, $randomNumber);
}
}
return $numbers;
}
// RESET POINTS OF CAMPAIGN OR SURVIVAL MODE
function resetPoints()
{
if (isset($_POST['survivalMode'])) {
$_SESSION['survivalPoints'] = 0;
$_SESSION['survivalCountdown'] = 15;
} else {
$_SESSION['points'] = 0;
$_SESSION['lvlPoints'] = 0;
$_SESSION["actual_level"] = get_level(0);
}
}
// SET IMPOSTER MODE ON SESSION AND VARIABLE IN TRUE OR FALSE
function setImposterModeTrue()
{
global $isImposter;
if (isset($_POST['page']) && !isset($_POST['imposterMode']) && $_SESSION['imposterMode']) {
// NEW GAME WITHOUT IMPOSTOR
$_SESSION["imposterMode"] = false;
resetPoints();
}
if (isset($_POST['page']) && isset($_POST['imposterMode']) && !$_SESSION['imposterMode']) {
// NEW GAME WITH IMPOSTOR
$isImposter = true;
$_SESSION["imposterMode"] = true;
resetPoints();
}
if (isset($_POST['imposterMode']) or $_SESSION["imposterMode"]) {
// FOLLOW WITH THE SAME IMPOSTER MODE
$isImposter = true;
$_SESSION["imposterMode"] = true;
}
}
// SET SURVIVAL MODE ON SESSION AND VARIABLE IN TRUE
function setSurvivalModeTrue()
{
global $isSurvival;
if (isset($_POST['page']) && !isset($_POST['survivalMode']) && $_SESSION['survivalMode']) {
// NEW GAME WITH CAMPAIGN MODE
$_SESSION["survivalMode"] = false;
resetPoints();
}
if (isset($_POST['page']) && isset($_POST['survivalMode']) && !$_SESSION['survivalMode']) {
// NEW GAME WITH SURVIVE MODE
$isSurvival = true;
$_SESSION["survivalMode"] = true;
resetPoints();
}
if (isset($_POST['survivalMode']) or $_SESSION["survivalMode"]) {
// FOLLOW WITH THE SAME SURVIVAL MODE
$isSurvival = true;
$_SESSION["survivalMode"] = true;
}
}
// SET USERNAME IN THE SESSION
function setUsername()
{
if (!isset($_SESSION['user'])) {
$_SESSION['user'] = $_POST["uname"];
if ($_SESSION['survivalMode']) {
initializeSurvivalPoints();
initializeSurvivalCountdown();
}
}
}
// GET SPECIFIED LEVEL WITH THE CODE LEVEL
function getLevelFromCode()
{
$_SESSION['easterEggColor'] = "none";
if (isset($_POST['code'])) {
$code = strtoupper(str_replace(" ", "", $_POST['code']));
if (checkEasterEgg($code))
$code = explode(":", $code)[1];
for ($index = 0; $index < 10; $index++) {
$lvl = get_level($index);
$lvlCode = str_replace("\n", "", get_level($index)[4]);
if ($lvlCode == $code) {
$_SESSION['actual_level'] = $lvl;
$_SESSION["points"] = 0;
$_SESSION["lvlPoints"] = 0;
break;
}
}
}
}
// CHECK IF USER USE THE EASTER EGG
function checkEasterEgg($code)
{
$numbersToVocals = [["4", "A"], ["3", "E"], ["1", "I"], ["0", "O"]];
$colors = ["BLACK", "BLUE", "BROWN", "CYAN", "GREEN", "LIME", "ORANGE", "PINK", "PURPLE", "RED", "WHITE", "YELLOW"];
if (substr($code, 0, 8) == "AMONGUS:") {
list($text, $character) = explode(":", $code);
foreach ($numbersToVocals as $value) {
$character = str_replace($value[0], $value[1], $character);
}
if (in_array($character, $colors))
$_SESSION['easterEggColor'] = strtolower($character);
else
$_SESSION['easterEggColor'] = "none";
return true;
} else return false;
}
// CHANGE USERNAME AND PUT LEVEL TO 0
function resetDetails()
{
if (isset($_SESSION['user'], $_POST["uname"])) {
if ($_SESSION['user'] != $_POST["uname"]) {
$_SESSION['user'] = $_POST["uname"];
resetPoints();
}
}
}
// GET RANDOM NUMBER WITH MIN AN MAX NUMBER
function getRandomNumber($min, $max)
{
return random_int($min, $max);
}
// GENERATE PARAMETERS TABLE FOR THE SURVIVAL MODE
function generateParametersTable()
{
$maxDimension = $maxSquares = $maxSeconds = 0;
$minDimension = $minSquares = $minSeconds = 99;
$colors = [];
$levels = file(__DIR__ . "/levels.cfg"); // __DIR__ is used to get the absolute path of the file.
foreach ($levels as $level) {
list($color, $dimension, $squares, $seconds) = explode(";", $level);
$dimensionX = explode("x", $dimension)[0]; // GET DIMENSION X
array_push($colors, $color);
// DIMENSION TABLE
if ($maxDimension < $dimensionX) $maxDimension = $dimensionX;
if ($minDimension > $dimensionX) $minDimension = $dimensionX;
// NUM OF SQUARES
if ($maxSquares < $squares) $maxSquares = $squares;
if ($minSquares > $squares) $minSquares = $squares;
// NUM OF SECONDS TO SHOW
if ($maxSeconds < $seconds) $maxSeconds = $seconds;
if ($minSeconds > $seconds) $minSeconds = $seconds;
}
return [$minDimension, $maxDimension, $minSquares, $maxSquares, $minSeconds, $maxSeconds, $colors];
}
// IF IS CAMPAIGN MODE GENERATE THIS PARAMETERS
function startCampaignMode($isImposter)
{
global $grid, $randomNumbers, $imposterSquares, $normalSquares;
global $secondsToShow, $correctColor, $impostorColor;
$correctColor = ctype_lower($_SESSION['actual_level'][0]);
$impostorColor = "red";
$grid = explode('x', $_SESSION['actual_level'][1]);
$gridTotal = $grid[0] * $grid[1];
$secondsToShow = $_SESSION["actual_level"][3];
if ($isImposter) {
list($imposterSquares, $normalSquares) = impostorAndNormalSquares($_SESSION['actual_level'][2]);
array_push($randomNumbers, [], []);
$randomNumbers[0] = generateRandomNumbers($normalSquares, $gridTotal);
$randomNumbers[1] = generateRandomNumbers($imposterSquares, $gridTotal, $randomNumbers[0]);
} else {
$randomNumbers = generateRandomNumbers($_SESSION['actual_level'][2], $gridTotal);
}
}
// IF IS SURVIVAL MODE GENERATE THIS PARAMETERS
function startSurvivalMode($isImposter)
{
global $grid, $randomNumbers, $imposterSquares, $normalSquares;
global $secondsToShow, $correctColor, $impostorColor;
list(
$minDimension,
$maxDimension,
$minSquares,
$maxSquares,
$minSeconds,
$maxSeconds,
$colors,
) = generateParametersTable(); // GENERATE TABLE DIMENSION, NUM OF squares AND SECONDS
$tableNumber = getRandomNumber($minDimension, $maxDimension);
$grid = [$tableNumber, $tableNumber];
$numberOfSquares = getRandomNumber($minSquares, $maxSquares);
$secondsToShow = getRandomNumber($minSeconds, $maxSeconds);
// GET RANDOM COLORS
$correctColor = $impostorColor = $colors[getRandomNumber(0, sizeof($colors) - 1)];
while ($correctColor == $impostorColor)
$impostorColor = $colors[getRandomNumber(0, sizeof($colors) - 1)];
$gridTotal = $tableNumber * $tableNumber;
if ($isImposter) {
list($imposterSquares, $normalSquares) = impostorAndNormalSquares($numberOfSquares);
array_push($randomNumbers, [], []);
$randomNumbers[0] = generateRandomNumbers($normalSquares, $gridTotal);
$randomNumbers[1] = generateRandomNumbers($imposterSquares, $gridTotal, $randomNumbers[0]);
} else {
$normalSquares = $numberOfSquares;
$randomNumbers = generateRandomNumbers($numberOfSquares, $gridTotal);
}
}
// VELOCITY OF COUNTDOWN IN SURVIVAL MODE
function setSurvivalCountdownVelocity()
{
if ($_SESSION['survivalPoints'] >= 2000)
$_SESSION['survivalCountdownVelocity'] = 600;
else if ($_SESSION['survivalPoints'] >= 1000)
$_SESSION['survivalCountdownVelocity'] = 800;
else
$_SESSION['survivalCountdownVelocity'] = 1000;
}
// ADD 200 POINTS FOR PASS THE LEVEL IN SURVIVAL MODE
function addMoreSurvivalPoints()
{
initializeSurvivalPoints();
$_SESSION['survivalPoints'] += 200;
}
// INITIALIZE SURVIVAL POINTS TO 0
function initializeSurvivalPoints()
{
isset($_SESSION['survivalPoints']) ? '' : $_SESSION['survivalPoints'] = 0;
}
// INITIALIZE SURVIVAL COUNTDOWN TO 15
function initializeSurvivalCountdown()
{
isset($_SESSION['survivalCountdown']) ? '' : $_SESSION['survivalCountdown'] = 15;
}
// GET IMAGE COLOR FOR THE RANKING
function getImageColor($color)
{
if ($color == "none") return "";
else return "<img src='../img/colors/$color.png' alt='$color' />";
}
// CREATE TABLE USERS FOR THE RANKING PAGE
function createRankingTable($users)
{
return ("
<table cellspacing='0' cellpadding='0'>
<thead>" . getHeaderTable() . "</thead>
<tbody>" . getUsersRanking($users) . "</tbody>
</table>");
}
function getHeaderTable()
{
return ("
<tr class='first-table-cell'>
<td>
<p class='width-username table-title'>User</p>
</td>
<td>
<p class='width-points table-title'>Points</p>
</td>
</tr>
");
}
function getUsersRanking($array)
{
$users = "";
foreach ($array as $user) {
$users .= ("
<tr>
<td style='display: flex; flex-flow: row;'>
<div class='image-box'>
" . getImageColor($user['color']) . "
</div>
<p class='username'>" . $user['user'] . "</p>
</td>
<td>
<p class='points'>" . $user['points'] . "</p>
</td>
</tr>");
}
return $users;
}
// SAVE USER POINTS IN THE RANKING FILE
if (isset($_POST["save"])) {
session_start();
if ($_SESSION['survivalMode']) {
if ($_SESSION['endgame'] == "win")
addMoreSurvivalPoints();
file_put_contents(__DIR__ . '/survival.cfg', getUserDetails() . PHP_EOL, FILE_APPEND | LOCK_EX);
$_SESSION['survivalPoints'] = 0;
$_SESSION['survivalCountdown'] = 15;
setSurvivalCountdownVelocity();
} else {
if ($_SESSION['endgame'] == "win")
$_SESSION["points"] += $_SESSION["lvlPoints"];
file_put_contents(__DIR__ . '/ranking.cfg', getUserDetails() . PHP_EOL, FILE_APPEND | LOCK_EX);
$_SESSION["actual_level"] = get_level(0);
$_SESSION["points"] = 0;
$_SESSION["lvlPoints"] = 0;
}
header("location:pages/ranking.php");
}
// PASS TO THE NEXT LEVEL
if (isset($_POST["next-level"]) || isset($_POST["home"]) || isset($_GET['goHome'])) {
session_start();
if ($_SESSION['survivalMode']) {
$_SESSION['survivalCountdown'] = $_SESSION['nextSurvivalCountdown'] + 5;
addMoreSurvivalPoints();
setSurvivalCountdownVelocity();
} else {
$_SESSION["points"] += $_SESSION["lvlPoints"];
$_SESSION["actual_level"][5]++;
// IF USER COMPLETE ALL LEVELS SAVE POINTS AUTOMATICALLY
if ($_SESSION["actual_level"][5] > 9) {
if ($_SESSION['endgame'] == "win")
$_SESSION["points"] += $_SESSION["lvlPoints"];
file_put_contents(__DIR__ . '/ranking.cfg', getUserDetails() . PHP_EOL, FILE_APPEND | LOCK_EX);
} else
$_SESSION["actual_level"] = get_level($_SESSION["actual_level"][5]);
}
if ($_SESSION["actual_level"][5] > 9) {
$_SESSION["actual_level"] = get_level(0);
$_SESSION["points"] = 0;
$_SESSION["lvlPoints"] = 0;
header("location:pages/ranking.php");
} else if (isset($_POST["next-level"]))
header("location:pages/game.php");
else
header("location:./");
}
// TRY AGAIN THE SAME LEVEL
if (isset($_POST["try-again"])) {
session_start();
if (!$_SESSION['survivalMode'])
$_SESSION["actual_level"][6]++;
header("location:pages/game.php");
}