tp4 ex2

R3.01/tp/tp4/ex2/helpers.php

@@ -1,54 +1,83 @@
 <?php
+function initializeGame()
+{
+	// Une grille vide contient 9 cases valant 0.
+	$_SESSION['grid'] = array_fill(0, 9, 0);
+	$_SESSION['playerTurn'] = 1;
+}
+
+function nextPlayer($player)
+{
+	return $player === 1 ? 2 : 1;
+}
+
 function isWinner($grid, $player)
 {
-	$winStates = array
-		(
-			array(0, 1, 2), array(3, 4, 5), array(6, 7, 8),     // Horizontal
-			array(0, 3, 6), array(1, 4, 7), array(2, 5, 8),     // Vertical
-			array(0, 4, 8), array(2, 4, 6)                      // Diagonal
-		);
+	$winStates = array(
+		array(0, 1, 2), array(3, 4, 5), array(6, 7, 8),
+		array(0, 3, 6), array(1, 4, 7), array(2, 5, 8),
+		array(0, 4, 8), array(2, 4, 6)
+	);
 
-	foreach ($winStates as $winState)
-	{
-		if ($grid[$winState[0]] == $player &&
+	foreach ($winStates as $winState) {
+		if (
+			$grid[$winState[0]] == $player &&
 			$grid[$winState[1]] == $player &&
-			$grid[$winState[2]] == $player)
-		{
+			$grid[$winState[2]] == $player
+		) {
 			return true;
 		}
 	}
+
 	return false;
 }
 
 function noWinner($grid)
 {
-	for($i = 0; $i < 9; $i++)
-		if ($grid[$i] == 0) 
+	for ($i = 0; $i < 9; $i++) {
+		if ($grid[$i] == 0) {
 			return false;
+		}
+	}
 
 	return true;
 }
 
-function displayGrid($grid)
+function getWinner($grid)
+{
+	if (isWinner($grid, 1)) {
+		return 1;
+	}
+
+	if (isWinner($grid, 2)) {
+		return 2;
+	}
+
+	return 0;
+}
+
+function displayGrid($grid, $isInteractive = true)
 {
 	echo '<table class="morpion">';
-	for ($i = 0; $i < 3; $i ++){
-		echo "<tr>";
-		for ($j = 0; $j < 3; $j ++){
+	for ($i = 0; $i < 3; $i++) {
+		echo '<tr>';
+		for ($j = 0; $j < 3; $j++) {
+			echo '<td>';
 
-			echo "<td>";
-
-			$pos = 3*$i + $j;
-			if ($grid[$pos] == 0)
+			$pos = 3 * $i + $j;
+			if ($grid[$pos] == 0 && $isInteractive) {
 				echo "<a href='?pos=$pos'></a>";
-			if ($grid[$pos] == 1)
+			}
+			if ($grid[$pos] == 1) {
 				echo '<i class="fa fa-times" aria-hidden="true"></i>';
-			if ($grid[$pos] == 2)
+			}
+			if ($grid[$pos] == 2) {
 				echo '<i class="fa fa-circle-o" aria-hidden="true"></i>';
+			}
 
-			echo "</td>";
+			echo '</td>';
 		}
-		echo "</tr>";
+		echo '</tr>';
 	}
-	echo "</table>";
+	echo '</table>';
 }