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<h1 class="title">samegame.js Example File</h1>
<span class="small-subtitle">demos/declarative/samegame/qml/samegame/SamegameCore/samegame.js</span>
<!-- $$$demos/declarative/samegame/qml/samegame/SamegameCore/samegame.js-description -->
<div class="descr"> <a name="details"></a>
<pre class="js"> <span class="comment">/* This script file handles the game logic */</span>
var <span class="name">maxColumn</span> = <span class="number">10</span>;
var <span class="name">maxRow</span> = <span class="number">15</span>;
var <span class="name">maxIndex</span> = <span class="name">maxColumn</span><span class="operator">*</span><span class="name">maxRow</span>;
var <span class="name">board</span> = new <span class="name">Array</span>(<span class="name">maxIndex</span>);
var <span class="name">blockSrc</span> = <span class="string">"SamegameCore/BoomBlock.qml"</span>;
var <span class="name">scoresURL</span> = <span class="string">""</span>;
var <span class="name">gameDuration</span>;
var <span class="name">component</span> = <span class="name">Qt</span>.<span class="name">createComponent</span>(<span class="name">blockSrc</span>);
var <span class="name">highScoreBar</span> = <span class="number">0</span>;
<span class="comment">// Index function used instead of a 2D array</span>
<span class="keyword">function</span> <span class="name">index</span>(<span class="name">column</span>, row)
{
<span class="keyword">return</span> <span class="name">column</span> <span class="operator">+</span> <span class="name">row</span> <span class="operator">*</span> <span class="name">maxColumn</span>;
}
<span class="keyword">function</span> <span class="name">timeStr</span>(<span class="name">msecs</span>)
{
var <span class="name">secs</span> = <span class="name">Math</span>.<span class="name">floor</span>(<span class="name">msecs</span><span class="operator">/</span><span class="number">1000</span>);
var <span class="name">m</span> = <span class="name">Math</span>.<span class="name">floor</span>(<span class="name">secs</span><span class="operator">/</span><span class="number">60</span>);
var <span class="name">ret</span> = <span class="string">""</span> <span class="operator">+</span> <span class="name">m</span> <span class="operator">+</span> <span class="string">"m "</span> <span class="operator">+</span> (<span class="name">secs</span><span class="operator">%</span><span class="number">60</span>) <span class="operator">+</span> <span class="string">"s"</span>;
<span class="keyword">return</span> <span class="name">ret</span>;
}
<span class="keyword">function</span> <span class="name">startNewGame</span>()
{
<span class="comment">// Delete blocks from previous game</span>
<span class="keyword">for</span> (<span class="keyword">var</span> <span class="name">i</span> = <span class="number">0</span>; <span class="name">i</span> <span class="operator"><</span> <span class="name">maxIndex</span>; i++) {
<span class="keyword">if</span> (<span class="name">board</span>[<span class="name">i</span>] <span class="operator">!=</span> <span class="number">null</span>)
<span class="name">board</span>[<span class="name">i</span>].<span class="name">destroy</span>();
}
<span class="comment">// Calculate board size</span>
<span class="name">maxColumn</span> <span class="operator">=</span> <span class="name">Math</span>.<span class="name">floor</span>(<span class="name">gameCanvas</span>.<span class="name">width</span><span class="operator">/</span><span class="name">gameCanvas</span>.<span class="name">blockSize</span>);
<span class="name">maxRow</span> <span class="operator">=</span> <span class="name">Math</span>.<span class="name">floor</span>(<span class="name">gameCanvas</span>.<span class="name">height</span><span class="operator">/</span><span class="name">gameCanvas</span>.<span class="name">blockSize</span>);
<span class="name">maxIndex</span> <span class="operator">=</span> <span class="name">maxRow</span> <span class="operator">*</span> <span class="name">maxColumn</span>;
<span class="comment">// Close dialogs</span>
<span class="name">nameInputDialog</span>.<span class="name">forceClose</span>();
<span class="name">dialog</span>.<span class="name">forceClose</span>();
<span class="comment">// Initialize Board</span>
<span class="name">board</span> <span class="operator">=</span> new <span class="name">Array</span>(<span class="name">maxIndex</span>);
<span class="name">gameCanvas</span>.<span class="name">score</span> <span class="operator">=</span> <span class="number">0</span>;
<span class="keyword">for</span> (<span class="keyword">var</span> <span class="name">column</span> = <span class="number">0</span>; <span class="name">column</span> <span class="operator"><</span> <span class="name">maxColumn</span>; column++) {
<span class="keyword">for</span> (<span class="keyword">var</span> <span class="name">row</span> = <span class="number">0</span>; <span class="name">row</span> <span class="operator"><</span> <span class="name">maxRow</span>; row++) {
<span class="name">board</span>[<span class="name">index</span>(<span class="name">column</span>, <span class="name">row</span>)] <span class="operator">=</span> <span class="number">null</span>;
<span class="name">createBlock</span>(<span class="name">column</span>, <span class="name">row</span>);
}
}
<span class="name">gameDuration</span> <span class="operator">=</span> new <span class="name">Date</span>();
}
var <span class="name">fillFound</span>; <span class="comment">// Set after a floodFill call to the number of blocks found</span>
var <span class="name">floodBoard</span>; <span class="comment">// Set to 1 if the floodFill reaches off that node</span>
<span class="comment">// NOTE: Be careful with vars named x,y, as the calling object's x,y are still in scope</span>
<span class="keyword">function</span> <span class="name">handleClick</span>(<span class="name">x</span>,y)
{
var <span class="name">column</span> = <span class="name">Math</span>.<span class="name">floor</span>(<span class="name">x</span><span class="operator">/</span><span class="name">gameCanvas</span>.<span class="name">blockSize</span>);
var <span class="name">row</span> = <span class="name">Math</span>.<span class="name">floor</span>(<span class="name">y</span><span class="operator">/</span><span class="name">gameCanvas</span>.<span class="name">blockSize</span>);
<span class="keyword">if</span> (<span class="name">column</span> <span class="operator">>=</span> <span class="name">maxColumn</span> <span class="operator">||</span> <span class="name">column</span> <span class="operator"><</span> <span class="number">0</span> <span class="operator">||</span> <span class="name">row</span> <span class="operator">>=</span> <span class="name">maxRow</span> <span class="operator">||</span> <span class="name">row</span> <span class="operator"><</span> <span class="number">0</span>)
<span class="keyword">return</span>;
<span class="keyword">if</span> (<span class="name">board</span>[<span class="name">index</span>(<span class="name">column</span>, <span class="name">row</span>)] <span class="operator">==</span> <span class="number">null</span>)
<span class="keyword">return</span>;
<span class="comment">// If it's a valid block, remove it and all connected (does nothing if it's not connected)</span>
<span class="name">floodFill</span>(<span class="name">column</span>,<span class="name">row</span>, -<span class="number">1</span>);
<span class="keyword">if</span> (<span class="name">fillFound</span> <span class="operator"><=</span> <span class="number">0</span>)
<span class="keyword">return</span>;
<span class="name">gameCanvas</span>.<span class="name">score</span> <span class="operator">+=</span> (<span class="name">fillFound</span> <span class="operator">-</span> <span class="number">1</span>) <span class="operator">*</span> (<span class="name">fillFound</span> <span class="operator">-</span> <span class="number">1</span>);
<span class="name">shuffleDown</span>();
<span class="name">victoryCheck</span>();
}
<span class="keyword">function</span> <span class="name">floodFill</span>(<span class="name">column</span>,row,type)
{
<span class="keyword">if</span> (<span class="name">board</span>[<span class="name">index</span>(<span class="name">column</span>, <span class="name">row</span>)] <span class="operator">==</span> <span class="number">null</span>)
<span class="keyword">return</span>;
var <span class="name">first</span> = <span class="number">false</span>;
<span class="keyword">if</span> (<span class="name">type</span> <span class="operator">==</span> -<span class="number">1</span>) {
<span class="name">first</span> <span class="operator">=</span> <span class="number">true</span>;
<span class="name">type</span> <span class="operator">=</span> <span class="name">board</span>[<span class="name">index</span>(<span class="name">column</span>,<span class="name">row</span>)].<span class="name">type</span>;
<span class="comment">// Flood fill initialization</span>
<span class="name">fillFound</span> <span class="operator">=</span> <span class="number">0</span>;
<span class="name">floodBoard</span> <span class="operator">=</span> new <span class="name">Array</span>(<span class="name">maxIndex</span>);
}
<span class="keyword">if</span> (<span class="name">column</span> <span class="operator">>=</span> <span class="name">maxColumn</span> <span class="operator">||</span> <span class="name">column</span> <span class="operator"><</span> <span class="number">0</span> <span class="operator">||</span> <span class="name">row</span> <span class="operator">>=</span> <span class="name">maxRow</span> <span class="operator">||</span> <span class="name">row</span> <span class="operator"><</span> <span class="number">0</span>)
<span class="keyword">return</span>;
<span class="keyword">if</span> (<span class="name">floodBoard</span>[<span class="name">index</span>(<span class="name">column</span>, <span class="name">row</span>)] <span class="operator">==</span> <span class="number">1</span> <span class="operator">||</span> (!<span class="name">first</span> <span class="operator">&&</span> <span class="name">type</span> <span class="operator">!=</span> <span class="name">board</span>[<span class="name">index</span>(<span class="name">column</span>, <span class="name">row</span>)].<span class="name">type</span>))
<span class="keyword">return</span>;
<span class="name">floodBoard</span>[<span class="name">index</span>(<span class="name">column</span>, <span class="name">row</span>)] <span class="operator">=</span> <span class="number">1</span>;
<span class="name">floodFill</span>(<span class="name">column</span> <span class="operator">+</span> <span class="number">1</span>, <span class="name">row</span>, <span class="name">type</span>);
<span class="name">floodFill</span>(<span class="name">column</span> <span class="operator">-</span> <span class="number">1</span>, <span class="name">row</span>, <span class="name">type</span>);
<span class="name">floodFill</span>(<span class="name">column</span>, <span class="name">row</span> <span class="operator">+</span> <span class="number">1</span>, <span class="name">type</span>);
<span class="name">floodFill</span>(<span class="name">column</span>, <span class="name">row</span> <span class="operator">-</span> <span class="number">1</span>, <span class="name">type</span>);
<span class="keyword">if</span> (<span class="name">first</span> <span class="operator">==</span> <span class="number">true</span> <span class="operator">&&</span> <span class="name">fillFound</span> <span class="operator">==</span> <span class="number">0</span>)
<span class="keyword">return</span>; <span class="comment">// Can't remove single blocks</span>
<span class="name">board</span>[<span class="name">index</span>(<span class="name">column</span>, <span class="name">row</span>)].<span class="name">dying</span> <span class="operator">=</span> <span class="number">true</span>;
<span class="name">board</span>[<span class="name">index</span>(<span class="name">column</span>, <span class="name">row</span>)] <span class="operator">=</span> <span class="number">null</span>;
<span class="name">fillFound</span> <span class="operator">+=</span> <span class="number">1</span>;
}
<span class="keyword">function</span> <span class="name">shuffleDown</span>()
{
<span class="comment">// Fall down</span>
<span class="keyword">for</span> (<span class="keyword">var</span> <span class="name">column</span> = <span class="number">0</span>; <span class="name">column</span> <span class="operator"><</span> <span class="name">maxColumn</span>; column++) {
var <span class="name">fallDist</span> = <span class="number">0</span>;
<span class="keyword">for</span> (<span class="keyword">var</span> <span class="name">row</span> = <span class="name">maxRow</span> <span class="operator">-</span> <span class="number">1</span>; <span class="name">row</span> <span class="operator">>=</span> <span class="number">0</span>; row--) {
<span class="keyword">if</span> (<span class="name">board</span>[<span class="name">index</span>(<span class="name">column</span>,<span class="name">row</span>)] <span class="operator">==</span> <span class="number">null</span>) {
<span class="name">fallDist</span> <span class="operator">+=</span> <span class="number">1</span>;
} else {
<span class="keyword">if</span> (<span class="name">fallDist</span> <span class="operator">></span> <span class="number">0</span>) {
var <span class="name">obj</span> = <span class="name">board</span>[<span class="name">index</span>(<span class="name">column</span>, <span class="name">row</span>)];
<span class="name">obj</span>.<span class="name">y</span> <span class="operator">=</span> (<span class="name">row</span> <span class="operator">+</span> <span class="name">fallDist</span>) <span class="operator">*</span> <span class="name">gameCanvas</span>.<span class="name">blockSize</span>;
<span class="name">board</span>[<span class="name">index</span>(<span class="name">column</span>, <span class="name">row</span> <span class="operator">+</span> <span class="name">fallDist</span>)] <span class="operator">=</span> <span class="name">obj</span>;
<span class="name">board</span>[<span class="name">index</span>(<span class="name">column</span>, <span class="name">row</span>)] <span class="operator">=</span> <span class="number">null</span>;
}
}
}
}
<span class="comment">// Fall to the left</span>
<span class="name">fallDist</span> <span class="operator">=</span> <span class="number">0</span>;
<span class="keyword">for</span> (<span class="name">column</span> <span class="operator">=</span> <span class="number">0</span>; <span class="name">column</span> <span class="operator"><</span> <span class="name">maxColumn</span>; column++) {
<span class="keyword">if</span> (<span class="name">board</span>[<span class="name">index</span>(<span class="name">column</span>, <span class="name">maxRow</span> <span class="operator">-</span> <span class="number">1</span>)] <span class="operator">==</span> <span class="number">null</span>) {
<span class="name">fallDist</span> <span class="operator">+=</span> <span class="number">1</span>;
} else {
<span class="keyword">if</span> (<span class="name">fallDist</span> <span class="operator">></span> <span class="number">0</span>) {
<span class="keyword">for</span> (<span class="name">row</span> <span class="operator">=</span> <span class="number">0</span>; <span class="name">row</span> <span class="operator"><</span> <span class="name">maxRow</span>; row++) {
<span class="name">obj</span> <span class="operator">=</span> <span class="name">board</span>[<span class="name">index</span>(<span class="name">column</span>, <span class="name">row</span>)];
<span class="keyword">if</span> (<span class="name">obj</span> <span class="operator">==</span> <span class="number">null</span>)
<span class="keyword">continue</span>;
<span class="name">obj</span>.<span class="name">x</span> <span class="operator">=</span> (<span class="name">column</span> <span class="operator">-</span> <span class="name">fallDist</span>) <span class="operator">*</span> <span class="name">gameCanvas</span>.<span class="name">blockSize</span>;
<span class="name">board</span>[<span class="name">index</span>(<span class="name">column</span> <span class="operator">-</span> <span class="name">fallDist</span>,<span class="name">row</span>)] <span class="operator">=</span> <span class="name">obj</span>;
<span class="name">board</span>[<span class="name">index</span>(<span class="name">column</span>, <span class="name">row</span>)] <span class="operator">=</span> <span class="number">null</span>;
}
}
}
}
}
<span class="keyword">function</span> <span class="name">victoryCheck</span>()
{
<span class="comment">// Awards bonuses for no blocks left</span>
var <span class="name">deservesBonus</span> = <span class="number">true</span>;
<span class="keyword">for</span> (<span class="keyword">var</span> <span class="name">column</span> = <span class="name">maxColumn</span> <span class="operator">-</span> <span class="number">1</span>; <span class="name">column</span> <span class="operator">>=</span> <span class="number">0</span>; column--)
<span class="keyword">if</span> (<span class="name">board</span>[<span class="name">index</span>(<span class="name">column</span>, <span class="name">maxRow</span> <span class="operator">-</span> <span class="number">1</span>)] <span class="operator">!=</span> <span class="number">null</span>)
<span class="name">deservesBonus</span> <span class="operator">=</span> <span class="number">false</span>;
<span class="keyword">if</span> (<span class="name">deservesBonus</span>)
<span class="name">gameCanvas</span>.<span class="name">score</span> <span class="operator">+=</span> <span class="number">500</span>;
<span class="comment">// Checks for game over</span>
<span class="keyword">if</span> (<span class="name">deservesBonus</span> <span class="operator">||</span> !(<span class="name">floodMoveCheck</span>(<span class="number">0</span>, <span class="name">maxRow</span> <span class="operator">-</span> <span class="number">1</span>, -<span class="number">1</span>))) {
<span class="name">gameDuration</span> <span class="operator">=</span> new <span class="name">Date</span>() <span class="operator">-</span> <span class="name">gameDuration</span>;
<span class="keyword">if</span>(<span class="name">gameCanvas</span>.<span class="name">score</span> <span class="operator">></span> <span class="name">highScoreBar</span>){
<span class="name">nameInputDialog</span>.<span class="name">show</span>(<span class="string">"You won! Please enter your name: "</span>);
<span class="name">nameInputDialog</span>.<span class="name">initialWidth</span> <span class="operator">=</span> <span class="name">nameInputDialog</span>.<span class="name">text</span>.<span class="name">width</span> <span class="operator">+</span> <span class="number">20</span>;
<span class="keyword">if</span> (<span class="name">nameInputDialog</span>.<span class="name">name</span> <span class="operator">==</span> <span class="string">""</span>)
<span class="name">nameInputDialog</span>.<span class="name">width</span> <span class="operator">=</span> <span class="name">nameInputDialog</span>.<span class="name">initialWidth</span>;
<span class="name">nameInputDialog</span>.<span class="name">text</span>.<span class="name">opacity</span> <span class="operator">=</span> <span class="number">0</span>; <span class="comment">// Just a spacer</span>
}else{
<span class="name">dialog</span>.<span class="name">show</span>(<span class="string">"You won!"</span>);
}
}
}
<span class="comment">// Only floods up and right, to see if it can find adjacent same-typed blocks</span>
<span class="keyword">function</span> <span class="name">floodMoveCheck</span>(<span class="name">column</span>, row, type)
{
<span class="keyword">if</span> (<span class="name">column</span> <span class="operator">>=</span> <span class="name">maxColumn</span> <span class="operator">||</span> <span class="name">column</span> <span class="operator"><</span> <span class="number">0</span> <span class="operator">||</span> <span class="name">row</span> <span class="operator">>=</span> <span class="name">maxRow</span> <span class="operator">||</span> <span class="name">row</span> <span class="operator"><</span> <span class="number">0</span>)
<span class="keyword">return</span> <span class="number">false</span>;
<span class="keyword">if</span> (<span class="name">board</span>[<span class="name">index</span>(<span class="name">column</span>, <span class="name">row</span>)] <span class="operator">==</span> <span class="number">null</span>)
<span class="keyword">return</span> <span class="number">false</span>;
var <span class="name">myType</span> = <span class="name">board</span>[<span class="name">index</span>(<span class="name">column</span>, <span class="name">row</span>)].<span class="name">type</span>;
<span class="keyword">if</span> (<span class="name">type</span> <span class="operator">==</span> <span class="name">myType</span>)
<span class="keyword">return</span> <span class="number">true</span>;
<span class="keyword">return</span> <span class="name">floodMoveCheck</span>(<span class="name">column</span> <span class="operator">+</span> <span class="number">1</span>, <span class="name">row</span>, <span class="name">myType</span>) <span class="operator">||</span>
<span class="name">floodMoveCheck</span>(<span class="name">column</span>, <span class="name">row</span> <span class="operator">-</span> <span class="number">1</span>, <span class="name">board</span>[<span class="name">index</span>(<span class="name">column</span>, <span class="name">row</span>)].<span class="name">type</span>);
}
<span class="keyword">function</span> <span class="name">createBlock</span>(<span class="name">column</span>,row)
{
<span class="comment">// Note that we don't wait for the component to become ready. This will</span>
<span class="comment">// only work if the block QML is a local file. Otherwise the component will</span>
<span class="comment">// not be ready immediately. There is a statusChanged signal on the</span>
<span class="comment">// component you could use if you want to wait to load remote files.</span>
<span class="keyword">if</span>(<span class="name">component</span>.<span class="name">status</span> <span class="operator">==</span> <span class="name">Component</span>.<span class="name">Ready</span>){
var <span class="name">dynamicObject</span> = <span class="name">component</span>.<span class="name">createObject</span>(<span class="name">gameCanvas</span>,
{"type": <span class="name">Math</span>.<span class="name">floor</span>(<span class="name">Math</span>.<span class="name">random</span>() <span class="operator">*</span> <span class="number">3</span>),
"x": column*gameCanvas.blockSize,
"width": gameCanvas.blockSize,
"height": gameCanvas.blockSize});
<span class="keyword">if</span>(<span class="name">dynamicObject</span> <span class="operator">==</span> <span class="number">null</span>){
<span class="name">console</span>.<span class="name">log</span>(<span class="string">"error creating block"</span>);
<span class="name">console</span>.<span class="name">log</span>(<span class="name">component</span>.<span class="name">errorString</span>());
<span class="keyword">return</span> <span class="number">false</span>;
}
<span class="name">dynamicObject</span>.<span class="name">y</span> <span class="operator">=</span> <span class="name">row</span><span class="operator">*</span><span class="name">gameCanvas</span>.<span class="name">blockSize</span>;
<span class="name">dynamicObject</span>.<span class="name">spawned</span> <span class="operator">=</span> <span class="number">true</span>;
<span class="name">board</span>[<span class="name">index</span>(<span class="name">column</span>,<span class="name">row</span>)] <span class="operator">=</span> <span class="name">dynamicObject</span>;
}else{
<span class="name">console</span>.<span class="name">log</span>(<span class="string">"error loading block component"</span>);
<span class="name">console</span>.<span class="name">log</span>(<span class="name">component</span>.<span class="name">errorString</span>());
<span class="keyword">return</span> <span class="number">false</span>;
}
<span class="keyword">return</span> <span class="number">true</span>;
}
<span class="keyword">function</span> <span class="name">initHighScoreBar</span>()
{
<span class="keyword">if</span>(<span class="name">scoresURL</span> <span class="operator">!=</span> <span class="string">""</span>)
<span class="keyword">return</span> <span class="number">true</span>;<span class="comment">//don't query remote scores</span>
var <span class="name">db</span> = <span class="name">openDatabaseSync</span>(
<span class="string">"SameGameScores"</span>,
<span class="string">"1.0"</span>,
<span class="string">"Local SameGame High Scores"</span>,
<span class="number">100</span>
);
<span class="name">db</span>.<span class="name">transaction</span>(
<span class="keyword">function</span>(<span class="name">tx</span>) {
<span class="name">tx</span>.<span class="name">executeSql</span>(<span class="string">'CREATE TABLE IF NOT EXISTS Scores(name TEXT, score NUMBER, gridSize TEXT, time NUMBER)'</span>);
<span class="comment">// Only show results for the current grid size</span>
var <span class="name">rs</span> = <span class="name">tx</span>.<span class="name">executeSql</span>(<span class="string">'SELECT * FROM Scores WHERE gridSize = "'</span>
<span class="operator">+</span> <span class="name">maxColumn</span> <span class="operator">+</span> <span class="string">"x"</span> <span class="operator">+</span> <span class="name">maxRow</span> <span class="operator">+</span> <span class="string">'" ORDER BY score desc LIMIT 10'</span>);
<span class="keyword">if</span>(<span class="name">rs</span>.<span class="name">rows</span>.<span class="name">length</span> <span class="operator"><</span> <span class="number">10</span>)
<span class="name">highScoreBar</span> <span class="operator">=</span> <span class="number">0</span>;
else
<span class="name">highScoreBar</span> <span class="operator">=</span> <span class="name">rs</span>.<span class="name">rows</span>.<span class="name">item</span>(<span class="name">rs</span>.<span class="name">rows</span>.<span class="name">length</span> <span class="operator">-</span> <span class="number">1</span>).<span class="name">score</span>;
}
);
}
<span class="keyword">function</span> <span class="name">saveHighScore</span>(<span class="name">name</span>)
{
<span class="keyword">if</span> (<span class="name">scoresURL</span> <span class="operator">!=</span> <span class="string">""</span>)
<span class="name">sendHighScore</span>(<span class="name">name</span>);
<span class="comment">// Offline storage</span>
var <span class="name">db</span> = <span class="name">openDatabaseSync</span>(
<span class="string">"SameGameScores"</span>,
<span class="string">"1.0"</span>,
<span class="string">"Local SameGame High Scores"</span>,
<span class="number">100</span>
);
var <span class="name">dataStr</span> = <span class="string">"INSERT INTO Scores VALUES(?, ?, ?, ?)"</span>;
var <span class="name">data</span> = [
<span class="name">name</span>,
<span class="name">gameCanvas</span>.<span class="name">score</span>,
<span class="name">maxColumn</span> <span class="operator">+</span> <span class="string">"x"</span> <span class="operator">+</span> <span class="name">maxRow</span>,
<span class="name">Math</span>.<span class="name">floor</span>(<span class="name">gameDuration</span> <span class="operator">/</span> <span class="number">1000</span>)
];
<span class="name">db</span>.<span class="name">transaction</span>(
<span class="keyword">function</span>(<span class="name">tx</span>) {
<span class="name">tx</span>.<span class="name">executeSql</span>(<span class="string">'CREATE TABLE IF NOT EXISTS Scores(name TEXT, score NUMBER, gridSize TEXT, time NUMBER)'</span>);
<span class="name">tx</span>.<span class="name">executeSql</span>(<span class="name">dataStr</span>, <span class="name">data</span>);
<span class="comment">// Only show results for the current grid size</span>
var <span class="name">rs</span> = <span class="name">tx</span>.<span class="name">executeSql</span>(<span class="string">'SELECT * FROM Scores WHERE gridSize = "'</span>
<span class="operator">+</span> <span class="name">maxColumn</span> <span class="operator">+</span> <span class="string">"x"</span> <span class="operator">+</span> <span class="name">maxRow</span> <span class="operator">+</span> <span class="string">'" ORDER BY score desc LIMIT 10'</span>);
var <span class="name">r</span> = <span class="string">"\nHIGH SCORES for this grid size\n\n"</span>
<span class="keyword">for</span> (<span class="keyword">var</span> <span class="name">i</span> = <span class="number">0</span>; <span class="name">i</span> <span class="operator"><</span> <span class="name">rs</span>.<span class="name">rows</span>.<span class="name">length</span>; i++) {
<span class="name">r</span> <span class="operator">+=</span> (<span class="name">i</span><span class="operator">+</span><span class="number">1</span>) <span class="operator">+</span> <span class="string">". "</span> <span class="operator">+</span> <span class="name">rs</span>.<span class="name">rows</span>.<span class="name">item</span>(<span class="name">i</span>).<span class="name">name</span> <span class="operator">+</span> <span class="string">' got '</span>
<span class="operator">+</span> <span class="name">rs</span>.<span class="name">rows</span>.<span class="name">item</span>(<span class="name">i</span>).<span class="name">score</span> <span class="operator">+</span> <span class="string">' points in '</span>
<span class="operator">+</span> <span class="name">rs</span>.<span class="name">rows</span>.<span class="name">item</span>(<span class="name">i</span>).<span class="name">time</span> <span class="operator">+</span> <span class="string">' seconds.\n'</span>;
}
<span class="keyword">if</span>(<span class="name">rs</span>.<span class="name">rows</span>.<span class="name">length</span> <span class="operator">==</span> <span class="number">10</span>)
<span class="name">highScoreBar</span> <span class="operator">=</span> <span class="name">rs</span>.<span class="name">rows</span>.<span class="name">item</span>(<span class="number">9</span>).<span class="name">score</span>;
<span class="name">dialog</span>.<span class="name">show</span>(<span class="name">r</span>);
}
);
}
<span class="keyword">function</span> <span class="name">sendHighScore</span>(<span class="name">name</span>)
{
var <span class="name">postman</span> = new <span class="name">XMLHttpRequest</span>()
var <span class="name">postData</span> = <span class="string">"name="</span> <span class="operator">+</span> <span class="name">name</span> <span class="operator">+</span> <span class="string">"&score="</span> <span class="operator">+</span> <span class="name">gameCanvas</span>.<span class="name">score</span>
<span class="operator">+</span> <span class="string">"&gridSize="</span> <span class="operator">+</span> <span class="name">maxColumn</span> <span class="operator">+</span> <span class="string">"x"</span> <span class="operator">+</span> <span class="name">maxRow</span>
<span class="operator">+</span> <span class="string">"&time="</span> <span class="operator">+</span> <span class="name">Math</span>.<span class="name">floor</span>(<span class="name">gameDuration</span> <span class="operator">/</span> <span class="number">1000</span>);
<span class="name">postman</span>.<span class="name">open</span>(<span class="string">"POST"</span>, <span class="name">scoresURL</span>, <span class="number">true</span>);
<span class="name">postman</span>.<span class="name">setRequestHeader</span>(<span class="string">"Content-Type"</span>, <span class="string">"application/x-www-form-urlencoded"</span>);
<span class="name">postman</span>.<span class="name">onreadystatechange</span> <span class="operator">=</span> <span class="keyword">function</span>() {
<span class="keyword">if</span> (<span class="name">postman</span>.<span class="name">readyState</span> <span class="operator">==</span> <span class="name">postman</span>.<span class="name">DONE</span>) {
<span class="name">dialog</span>.<span class="name">show</span>(<span class="string">"Your score has been uploaded."</span>);
}
}
<span class="name">postman</span>.<span class="name">send</span>(<span class="name">postData</span>);
}</pre>
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<!-- @@@demos/declarative/samegame/qml/samegame/SamegameCore/samegame.js -->
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