/
index.php
executable file
·168 lines (146 loc) · 6.09 KB
/
index.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
<html>
<head>
<link rel="stylesheet" href="Styles/game.css">
<script type="text/javascript">
var globalTurn = "X";
var board = ["-", "-", "-", "-", "-", "-", "-", "-", "-"];
var gameStatus = "NO RESULT";
function controller(position) {
var moveOK;
/* Human Player */
if (gameStatus == "NO RESULT") {
moveOK = putSymbol(position);
checkGameLogic();
}
/* Game AI */
if (moveOK == true && (gameStatus == "NO RESULT")) {
var str = board.toString();
var computerMove;
var xmlhttp = new XMLHttpRequest();
xmlhttp.onreadystatechange = function () {
if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
computerMove = xmlhttp.responseText;
//alert(computerMove);
moveOk = putSymbol(computerMove);
checkGameLogic();
}
};
xmlhttp.open("GET", "gameAI.php?q=" + str, true);
xmlhttp.send();
}
}
function putSymbol(input) {
var moveOK = false;
if (gameStatus == "NO RESULT" && board[input - 1] == "-") {
if (globalTurn == "X") {
document.getElementById(input).innerHTML = "<img src='Images/cross.png' />";
board[input - 1] = "X";
globalTurn = "O";
moveOK = true;
}
else {
document.getElementById(input).innerHTML = "<img src='Images/zero.png' />";
board[input - 1] = "O";
globalTurn = "X";
moveOK = true;
}
//checkGameLogic();
}
return moveOK;
}
function checkGameLogic() {
var i;
var gameOverFlag = true;
var win = false;
var winSymbol;
/* Check for win */
if (
((board[0] == board[1]) && (board[1] == board[2]) && (board[0] != "-")) ||
((board[3] == board[4]) && (board[4] == board[5]) && (board[3] != "-")) ||
((board[6] == board[7]) && (board[7] == board[8]) && (board[6] != "-")) ||
((board[0] == board[3]) && (board[3] == board[6]) && (board[0] != "-")) ||
((board[1] == board[4]) && (board[4] == board[7]) && (board[1] != "-")) ||
((board[2] == board[5]) && (board[5] == board[8]) && (board[2] != "-")) ||
((board[0] == board[4]) && (board[4] == board[8]) && (board[0] != "-")) ||
((board[2] == board[4]) && (board[4] == board[6]) && (board[2] != "-"))
) {
win = true;
if (globalTurn == "X")
winSymbol = "O";
else
winSymbol = "X";
gameStatus = winSymbol + " win";
displayGameStatus();
}
else {
/* Check for game over*/
for (i = 0; i < 9; i++) {
if (board[i] == "-") {
gameOverFlag = false;
break;
}
}
if (gameOverFlag == true) {
gameStatus = "DRAW";
displayGameStatus();
}
}
}
function displayGameStatus() {
alert("Result: " + gameStatus);
}
function reset() {
var i;
for (i = 1; i <= 9; i++) {
document.getElementById(i).innerHTML = "<img src='Images/blank.png' />";
}
/* Re initialize global variables */
gameStatus = "NO RESULT";
globalTurn = "X";
board = ["-", "-", "-", "-", "-", "-", "-", "-", "-"];
}
</script>
</head>
<body>
<div id="container">
<div id="header">
<h1>Unbeatable Tic Tac Toe game</h1>
</div>
<div id="main">
<table id="board" style="cursor: pointer">
<tr>
<td id="1" onclick="controller(1)"><img src='Images/blank.png' alt="Blank"/></td>
<td id="2" onclick="controller(2)"><img src='Images/blank.png' alt="Blank"/></td>
<td id="3" onclick="controller(3)"><img src='Images/blank.png' alt="Blank"/></td>
</tr>
<tr>
<td id="4" onclick="controller(4)"><img src='Images/blank.png' alt="Blank"/></td>
<td id="5" onclick="controller(5)"><img src='Images/blank.png' alt="Blank"/></td>
<td id="6" onclick="controller(6)"><img src='Images/blank.png' alt="Blank"/></td>
</tr>
<tr>
<td id="7" onclick="controller(7)"><img src='Images/blank.png' alt="Blank"/></td>
<td id="8" onclick="controller(8)"><img src='Images/blank.png' alt="Blank"/></td>
<td id="9" onclick="controller(9)"><img src='Images/blank.png' alt="Blank"/></td>
</tr>
</table>
<div style="text-align: center; padding-top: 20px;">
<button id="resetButton" onclick="reset()">Reset</button>
</div>
<div>
<h1>
Rules <br>-------------------------<br>
</h1>
<h2>
1. You play first because you are being offered maximum chance of winning. <br>
2. Just click on the cell you want to mark to begin the game. <br>
3. Please wait while the computer figures out its next move. <br>
</h2>
</div>
</div>
<div id="footer">
© Anubhab Majumdar
</div>
</div>
</body>
</html>