summaryrefslogtreecommitdiffstats
path: root/examples/declarative/tutorials/samegame/samegame3/samegame.js
diff options
context:
space:
mode:
authorWarwick Allison <warwick.allison@nokia.com>2010-02-04 04:56:50 (GMT)
committerWarwick Allison <warwick.allison@nokia.com>2010-02-04 04:56:50 (GMT)
commit7fec7ff568659c3816ce26d2d82d59dd372f1166 (patch)
treec2546e401f13ba5c55e3311744d83fa68e46f165 /examples/declarative/tutorials/samegame/samegame3/samegame.js
parent5783f98ce5e243afbbd4c6a68c80d2dd959520e0 (diff)
parentf7dfce110c96ef33200abf2dd93b86d3853095e5 (diff)
downloadQt-7fec7ff568659c3816ce26d2d82d59dd372f1166.zip
Qt-7fec7ff568659c3816ce26d2d82d59dd372f1166.tar.gz
Qt-7fec7ff568659c3816ce26d2d82d59dd372f1166.tar.bz2
Merge branch 'kinetic-declarativeui' of git://git-nokia.trolltech.com.au/qtsoftware/qt/kinetic
Conflicts: src/xmlpatterns/type/qprimitives_p.h tools/linguist/lupdate/main.cpp
Diffstat (limited to 'examples/declarative/tutorials/samegame/samegame3/samegame.js')
-rw-r--r--examples/declarative/tutorials/samegame/samegame3/samegame.js189
1 files changed, 189 insertions, 0 deletions
diff --git a/examples/declarative/tutorials/samegame/samegame3/samegame.js b/examples/declarative/tutorials/samegame/samegame3/samegame.js
new file mode 100644
index 0000000..38efb3b
--- /dev/null
+++ b/examples/declarative/tutorials/samegame/samegame3/samegame.js
@@ -0,0 +1,189 @@
+/* This script file handles the game logic */
+//Note that X/Y referred to here are in game coordinates
+var maxX = 10;//Nums are for tileSize 40
+var maxY = 15;
+var maxIndex = maxX*maxY;
+var board = new Array(maxIndex);
+var tileSrc = "Block.qml";
+var component;
+
+//Index function used instead of a 2D array
+function index(xIdx,yIdx) {
+ return xIdx + (yIdx * maxX);
+}
+
+function initBoard()
+{
+ for(var i = 0; i<maxIndex; i++){
+ //Delete old blocks
+ if(board[i] != null)
+ board[i].destroy();
+ }
+
+ //Calculate board size
+ maxX = Math.floor(gameCanvas.width/gameCanvas.tileSize);
+ maxY = Math.floor(gameCanvas.height/gameCanvas.tileSize);
+ maxIndex = maxY*maxX;
+
+ //Close dialogs
+ dialog.forceClose();
+
+ //Initialize Board
+ board = new Array(maxIndex);
+ gameCanvas.score = 0;
+ for(var xIdx=0; xIdx<maxX; xIdx++){
+ for(var yIdx=0; yIdx<maxY; yIdx++){
+ board[index(xIdx,yIdx)] = null;
+ createBlock(xIdx,yIdx);
+ }
+ }
+}
+
+function createBlock(xIdx,yIdx){
+ if(component==null)
+ component = createComponent(tileSrc);
+
+ // Note that we don't wait for the component to become ready. This will
+ // only work if the block QML is a local file. Otherwise the component will
+ // not be ready immediately. There is a statusChanged signal on the
+ // component you could use if you want to wait to load remote files.
+ if(component.isReady){
+ var dynamicObject = component.createObject();
+ if(dynamicObject == null){
+ print("error creating block");
+ print(component.errorsString());
+ return false;
+ }
+ dynamicObject.type = Math.floor(Math.random() * 3);
+ dynamicObject.parent = gameCanvas;
+ dynamicObject.x = xIdx*gameCanvas.tileSize;
+ dynamicObject.y = yIdx*gameCanvas.tileSize;
+ dynamicObject.width = gameCanvas.tileSize;
+ dynamicObject.height = gameCanvas.tileSize;
+ board[index(xIdx,yIdx)] = dynamicObject;
+ }else{//isError or isLoading
+ print("error loading block component");
+ print(component.errorsString());
+ return false;
+ }
+ return true;
+}
+
+var fillFound;//Set after a floodFill call to the number of tiles found
+var floodBoard;//Set to 1 if the floodFill reaches off that node
+//NOTE: Be careful with vars named x,y, as the calling object's x,y are still in scope
+//![1]
+function handleClick(x,y)
+{
+ var xIdx = Math.floor(x/gameCanvas.tileSize);
+ var yIdx = Math.floor(y/gameCanvas.tileSize);
+ if(xIdx >= maxX || xIdx < 0 || yIdx >= maxY || yIdx < 0)
+ return;
+ if(board[index(xIdx, yIdx)] == null)
+ return;
+ //If it's a valid tile, remove it and all connected (does nothing if it's not connected)
+ floodFill(xIdx,yIdx, -1);
+ if(fillFound <= 0)
+ return;
+ gameCanvas.score += (fillFound - 1) * (fillFound - 1);
+ shuffleDown();
+ victoryCheck();
+}
+//![1]
+
+function floodFill(xIdx,yIdx,type)
+{
+ if(board[index(xIdx, yIdx)] == null)
+ return;
+ var first = false;
+ if(type == -1){
+ first = true;
+ type = board[index(xIdx,yIdx)].type;
+
+ //Flood fill initialization
+ fillFound = 0;
+ floodBoard = new Array(maxIndex);
+ }
+ if(xIdx >= maxX || xIdx < 0 || yIdx >= maxY || yIdx < 0)
+ return;
+ if(floodBoard[index(xIdx, yIdx)] == 1 || (!first && type != board[index(xIdx,yIdx)].type))
+ return;
+ floodBoard[index(xIdx, yIdx)] = 1;
+ floodFill(xIdx+1,yIdx,type);
+ floodFill(xIdx-1,yIdx,type);
+ floodFill(xIdx,yIdx+1,type);
+ floodFill(xIdx,yIdx-1,type);
+ if(first==true && fillFound == 0)
+ return;//Can't remove single tiles
+ board[index(xIdx,yIdx)].opacity = 0;
+ board[index(xIdx,yIdx)] = null;
+ fillFound += 1;
+}
+
+function shuffleDown()
+{
+ //Fall down
+ for(var xIdx=0; xIdx<maxX; xIdx++){
+ var fallDist = 0;
+ for(var yIdx=maxY-1; yIdx>=0; yIdx--){
+ if(board[index(xIdx,yIdx)] == null){
+ fallDist += 1;
+ }else{
+ if(fallDist > 0){
+ var obj = board[index(xIdx,yIdx)];
+ obj.y += fallDist * gameCanvas.tileSize;
+ board[index(xIdx,yIdx+fallDist)] = obj;
+ board[index(xIdx,yIdx)] = null;
+ }
+ }
+ }
+ }
+ //Fall to the left
+ var fallDist = 0;
+ for(var xIdx=0; xIdx<maxX; xIdx++){
+ if(board[index(xIdx, maxY - 1)] == null){
+ fallDist += 1;
+ }else{
+ if(fallDist > 0){
+ for(var yIdx=0; yIdx<maxY; yIdx++){
+ var obj = board[index(xIdx,yIdx)];
+ if(obj == null)
+ continue;
+ obj.x -= fallDist * gameCanvas.tileSize;
+ board[index(xIdx-fallDist,yIdx)] = obj;
+ board[index(xIdx,yIdx)] = null;
+ }
+ }
+ }
+ }
+}
+
+//![2]
+function victoryCheck()
+{
+ //awards bonuses for no tiles left
+ var deservesBonus = true;
+ for(var xIdx=maxX-1; xIdx>=0; xIdx--)
+ if(board[index(xIdx, maxY - 1)] != null)
+ deservesBonus = false;
+ if(deservesBonus)
+ gameCanvas.score += 500;
+ //Checks for game over
+ if(deservesBonus || !(floodMoveCheck(0,maxY-1, -1)))
+ dialog.show("Game Over. Your score is " + gameCanvas.score);
+}
+//![2]
+
+//only floods up and right, to see if it can find adjacent same-typed tiles
+function floodMoveCheck(xIdx, yIdx, type)
+{
+ if(xIdx >= maxX || xIdx < 0 || yIdx >= maxY || yIdx < 0)
+ return false;
+ if(board[index(xIdx, yIdx)] == null)
+ return false;
+ var myType = board[index(xIdx, yIdx)].type;
+ if(type == myType)
+ return true;
+ return floodMoveCheck(xIdx + 1, yIdx, myType) ||
+ floodMoveCheck(xIdx, yIdx - 1, board[index(xIdx,yIdx)].type);
+}