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-rw-r--r--examples/declarative/tic-tac-toe/tic-tac-toe.qml154
1 files changed, 4 insertions, 150 deletions
diff --git a/examples/declarative/tic-tac-toe/tic-tac-toe.qml b/examples/declarative/tic-tac-toe/tic-tac-toe.qml
index ae187d2..4bb1e3f 100644
--- a/examples/declarative/tic-tac-toe/tic-tac-toe.qml
+++ b/examples/declarative/tic-tac-toe/tic-tac-toe.qml
@@ -1,5 +1,6 @@
import Qt 4.6
import "content"
+import "tic-tac-toe.js" as Logic
Item {
id: game
@@ -29,164 +30,17 @@ Item {
height: board.height/3
onClicked: {
if (!endtimer.running) {
- if (!makeMove(index,"X"))
- computerTurn()
+ if (!Logic.makeMove(index,"X"))
+ Logic.computerTurn()
}
}
}
}
- Script {
- 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
- }
- }
-
Timer {
id: endtimer
interval: 1600
- onTriggered: { msg.opacity = 0; restart() }
+ onTriggered: { msg.opacity = 0; Logic.restart() }
}
}