1 files changed, 145 insertions, 0 deletions
diff --git a/examples/declarative/toys/tic-tac-toe/content/tic-tac-toe.js b/examples/declarative/toys/tic-tac-toe/content/tic-tac-toe.js
new file mode 100644
index 0000000..f8d6d9f
--- /dev/null
+++ b/examples/declarative/toys/tic-tac-toe/content/tic-tac-toe.js
@@ -0,0 +1,145 @@
+function winner(board)
+{
+    for (var i=0; i<3; ++i) {
+        if (board.children[i].state!=""
+            && board.children[i].state==board.children[i+3].state
+            && board.children[i].state==board.children[i+6].state)
+            return true
+
+        if (board.children[i*3].state!=""
+            && board.children[i*3].state==board.children[i*3+1].state
+            && board.children[i*3].state==board.children[i*3+2].state)
+            return true
+    }
+
+    if (board.children[0].state!=""
+        && board.children[0].state==board.children[4].state!=""
+        && board.children[0].state==board.children[8].state!="")
+        return true
+
+    if (board.children[2].state!=""
+        && board.children[2].state==board.children[4].state!=""
+        && board.children[2].state==board.children[6].state!="")
+        return true
+
+    return false
+}
+
+function restart()
+{
+    // No moves left - start again
+    for (var i=0; i<9; ++i)
+        board.children[i].state = ""
+}
+
+function makeMove(pos,player)
+{
+    board.children[pos].state = player
+    if (winner(board)) {
+        win(player + " wins")
+        return true
+    } else {
+        return false
+    }
+}
+
+function computerTurn()
+{
+    var r = Math.random();
+    if(r < game.difficulty){
+        smartAI();
+    }else{
+        randAI();
+    }
+}
+
+function smartAI()
+{
+    function boardCopy(a){
+        var ret = new Object;
+        ret.children = new Array(9);
+        for(var i = 0; i<9; i++){
+            ret.children[i] = new Object;
+            ret.children[i].state = a.children[i].state;
+        }
+        return ret;
+    }
+    for(var i=0; i<9; i++){
+        var simpleBoard = boardCopy(board);
+        if (board.children[i].state == "") {
+            simpleBoard.children[i].state = "O";
+            if(winner(simpleBoard)){
+                makeMove(i,"O")
+                return
+            }
+        }
+    }
+    for(var i=0; i<9; i++){
+        var simpleBoard = boardCopy(board);
+        if (board.children[i].state == "") {
+            simpleBoard.children[i].state = "X";
+            if(winner(simpleBoard)){
+                makeMove(i,"O")
+                return
+            }
+        }
+    }
+    function thwart(a,b,c){//If they are at a, try b or c
+        if (board.children[a].state == "X") {
+            if (board.children[b].state == "") {
+                makeMove(b,"O")
+                return true
+            }else if (board.children[c].state == "") {
+                makeMove(c,"O")
+                return true
+            }
+        }
+        return false;
+    }
+    if(thwart(4,0,2)) return;
+    if(thwart(0,4,3)) return;
+    if(thwart(2,4,1)) return;
+    if(thwart(6,4,7)) return;
+    if(thwart(8,4,5)) return;
+    if(thwart(1,4,2)) return;
+    if(thwart(3,4,0)) return;
+    if(thwart(5,4,8)) return;
+    if(thwart(7,4,6)) return;
+    for(var i =0; i<9; i++){//Backup
+        if (board.children[i].state == "") {
+            makeMove(i,"O")
+            return
+        }
+    }
+    restart();
+}
+
+function randAI()
+{
+    var open = 0;
+    for (var i=0; i<9; ++i)
+        if (board.children[i].state == "") {
+            open += 1;
+        }
+    if(open == 0){
+        restart();
+        return;
+    }
+    var openA = new Array(open);//JS doesn't have lists I can append to (i think)
+    var acc = 0;
+    for (var i=0; i<9; ++i)
+        if (board.children[i].state == "") {
+            openA[acc] = i;
+            acc += 1;
+        }
+    var choice = openA[Math.floor(Math.random() * open)];
+    makeMove(choice, "O");
+}
+
+function win(s)
+{
+    msg.text = s
+    msg.opacity = 1
+    endtimer.running = true
+}
+