1 files changed, 261 insertions, 0 deletions
diff --git a/examples/script/qstetrix/tetrixboard.js b/examples/script/qstetrix/tetrixboard.js
new file mode 100644
index 0000000..f198397
--- /dev/null
+++ b/examples/script/qstetrix/tetrixboard.js
@@ -0,0 +1,261 @@
+function TetrixBoard(ui)
+{
+    this.ui = ui;
+
+    this.isStarted = false;
+    this.isPaused = false;
+    this.inKeyPress = false;
+
+    this._board = new Array(TetrixBoard.BoardWidth * TetrixBoard.BoardHeight);
+    this.clearBoard();
+
+    this.curPiece = new TetrixPiece();
+    this.nextPiece = new TetrixPiece();
+    this.nextPiece.setRandomShape();
+
+    ui.timer.singleShot = true;
+    ui.timer.timeout.connect(this, this.onTimer);
+    ui.keyPressed.connect(this, this.onKeyPress);
+    ui.paintRequested.connect(this, this.onPaint);
+    ui.paintNextPieceRequested.connect(this, this.onPaintNextPiece);
+}
+
+TetrixBoard.BoardWidth = 10;
+TetrixBoard.BoardHeight = 22;
+
+TetrixBoard.prototype.start = function() {
+    if (this.isPaused)
+        return;
+
+    this.isStarted = true;
+    this.isWaitingAfterLine = false;
+    this.numLinesRemoved = 0;
+    this.numPiecesDropped = 0;
+    this.score = 0;
+    this.level = 1;
+    this.clearBoard();
+
+    this.ui.linesRemovedChanged(this.numLinesRemoved);
+    this.ui.scoreChanged(this.score);
+    this.ui.levelChanged(this.level);
+
+    this.newPiece();
+    this.ui.timer.start(this.timeoutTime());
+}
+
+TetrixBoard.prototype.pause = function() {
+    if (!this.isStarted)
+        return;
+
+    this.isPaused = !this.isPaused;
+    if (this.isPaused) {
+        this.ui.timer.stop();
+    } else {
+        this.ui.timer.start(this.timeoutTime());
+    }
+    this.ui.update();
+}
+
+TetrixBoard.prototype.getShapeAt = function(x, y) {
+    return this._board[(y * TetrixBoard.BoardWidth) + x];
+}
+
+TetrixBoard.prototype.setShapeAt = function(x, y, newShape) {
+    this._board[(y * TetrixBoard.BoardWidth) + x] = newShape;
+}
+
+TetrixBoard.prototype.clearBoard = function() {
+    for (var i = 0; i < TetrixBoard.BoardHeight * TetrixBoard.BoardWidth; ++i)
+        this._board[i] = TetrixShape.NoShape;
+}
+
+TetrixBoard.prototype.dropDown = function() {
+    var dropHeight = 0;
+    var newY = this.curY;
+    while (newY > 0) {
+        if (!this.tryMove(this.curPiece, this.curX, newY - 1))
+            break;
+        --newY;
+        ++dropHeight;
+    }
+    this.pieceDropped(dropHeight);
+}
+
+TetrixBoard.prototype.oneLineDown = function() {
+    if (!this.tryMove(this.curPiece, this.curX, this.curY - 1))
+        this.pieceDropped(0);
+}
+
+TetrixBoard.prototype.pieceDropped = function(dropHeight) {
+    for (var i = 0; i < 4; ++i) {
+        var x = this.curX + this.curPiece.getX(i);
+        var y = this.curY - this.curPiece.getY(i);
+        this.setShapeAt(x, y, this.curPiece.shape);
+    }
+
+    ++this.numPiecesDropped;
+    if ((this.numPiecesDropped % 25) == 0) {
+        ++this.level;
+        this.ui.timer.start(this.timeoutTime());
+        this.ui.levelChanged(this.level);
+    }
+
+    this.score += dropHeight + 7;
+    this.ui.scoreChanged(this.score);
+    this.removeFullLines();
+
+    if (!this.isWaitingAfterLine)
+        this.newPiece();
+
+    if (this.isStarted && !this.ui.timer.active)
+        this.ui.timer.start(this.timeoutTime());
+}
+
+TetrixBoard.prototype.removeFullLines = function() {
+    var numFullLines = 0;
+
+    for (var i = TetrixBoard.BoardHeight - 1; i >= 0; --i) {
+        var lineIsFull = true;
+
+        for (var j = 0; j < TetrixBoard.BoardWidth; ++j) {
+            if (this.getShapeAt(j, i) == TetrixShape.NoShape) {
+                lineIsFull = false;
+                break;
+            }
+        }
+
+        if (lineIsFull) {
+            ++numFullLines;
+            for (var k = i; k < TetrixBoard.BoardHeight - 1; ++k) {
+                for (var j = 0; j < TetrixBoard.BoardWidth; ++j)
+                    this.setShapeAt(j, k, this.getShapeAt(j, k + 1));
+            }
+            for (var j = 0; j < TetrixBoard.BoardWidth; ++j)
+                this.setShapeAt(j, TetrixBoard.BoardHeight - 1, TetrixShape.NoShape);
+        }
+    }
+
+    if (numFullLines > 0) {
+        this.numLinesRemoved += numFullLines;
+        this.score += 10 * numFullLines;
+        this.ui.linesRemovedChanged(this.numLinesRemoved);
+        this.ui.scoreChanged(this.score);
+
+        this.ui.timer.start(500);
+        this.isWaitingAfterLine = true;
+        this.curPiece.shape = TetrixShape.NoShape;
+        this.ui.update();
+    }
+}
+
+TetrixBoard.prototype.newPiece = function() {
+    this.curPiece = this.nextPiece;
+    this.nextPiece = new TetrixPiece();
+    this.nextPiece.setRandomShape();
+    this.ui.showNextPiece(this.nextPiece.maxX - this.nextPiece.minX + 1,
+                          this.nextPiece.maxY - this.nextPiece.minY + 1);
+    this.curX = TetrixBoard.BoardWidth / 2 + 1;
+    this.curY = TetrixBoard.BoardHeight - 1 + this.curPiece.minY;
+
+    if (!this.tryMove(this.curPiece, this.curX, this.curY)) {
+        this.curPiece.shape = TetrixShape.NoShape;
+        this.ui.timer.stop();
+        this.isStarted = false;
+    }
+}
+
+TetrixBoard.prototype.tryMove = function(newPiece, newX, newY) {
+    for (var i = 0; i < 4; ++i) {
+        var x = newX + newPiece.getX(i);
+        var y = newY - newPiece.getY(i);
+        if ((x < 0) || (x >= TetrixBoard.BoardWidth) || (y < 0) || (y >= TetrixBoard.BoardHeight))
+            return false;
+        if (this.getShapeAt(x, y) != TetrixShape.NoShape)
+            return false;
+    }
+
+    this.curPiece = newPiece;
+    this.curX = newX;
+    this.curY = newY;
+    this.ui.update();
+    return true;
+}
+
+TetrixBoard.prototype.onPaint = function(painter) {
+    if (this.isPaused) {
+        this.ui.drawPauseScreen(painter);
+        return;
+    }
+
+    for (var i = 0; i < TetrixBoard.BoardHeight; ++i) {
+        for (var j = 0; j < TetrixBoard.BoardWidth; ++j) {
+            var shape = this.getShapeAt(j, TetrixBoard.BoardHeight - i - 1);
+            if (shape != TetrixShape.NoShape)
+                this.ui.drawSquare(painter, j, i, shape);
+        }
+    }
+
+    if (this.curPiece.shape != TetrixShape.NoShape) {
+        for (var i = 0; i < 4; ++i) {
+            var x = this.curX + this.curPiece.getX(i);
+            var y = this.curY - this.curPiece.getY(i);
+            this.ui.drawSquare(painter, x, TetrixBoard.BoardHeight - y - 1,
+                               this.curPiece.shape);
+        }
+    }
+}
+
+TetrixBoard.prototype.onPaintNextPiece = function(painter) {
+    for (var i = 0; i < 4; ++i) {
+        var x = this.nextPiece.getX(i) - this.nextPiece.minX;
+        var y = this.nextPiece.getY(i) - this.nextPiece.minY;
+        this.ui.drawSquare(painter, x, y, this.nextPiece.shape);
+    }
+}
+
+TetrixBoard.prototype.onKeyPress = function(key) {
+    if (!this.isStarted || this.isPaused || (this.curPiece.shape == TetrixShape.NoShape))
+        return;
+    this.inKeyPress = true;
+    switch (key) {
+        case Qt.Key_Left:
+            this.tryMove(this.curPiece, this.curX - 1, this.curY);
+            break;
+        case Qt.Key_Right:
+            this.tryMove(this.curPiece, this.curX + 1, this.curY);
+            break;
+        case Qt.Key_Down:
+            this.tryMove(this.curPiece.rotatedRight(), this.curX, this.curY);
+            break;
+        case Qt.Key_Up:
+            this.tryMove(this.curPiece.rotatedLeft(), this.curX, this.curY);
+            break;
+        case Qt.Key_Space:
+            this.dropDown();
+            break;
+        case Qt.Key_D:
+            this.oneLineDown();
+            break;
+    }
+    this.inKeyPress = false;
+    if (this.isStarted && !this.ui.timer.active)
+        this.ui.timer.start(this.timeoutTime());
+}
+
+TetrixBoard.prototype.onTimer = function() {
+    if (this.isWaitingAfterLine) {
+        this.isWaitingAfterLine = false;
+        this.newPiece();
+        this.ui.timer.start(this.timeoutTime());
+    } else {
+        if (!this.inKeyPress) {
+            this.oneLineDown();
+            if (this.isStarted && !this.ui.timer.active)
+                this.ui.timer.start(this.timeoutTime());
+        }
+    }
+}
+
+TetrixBoard.prototype.timeoutTime = function() {
+    return 1000 / (1 + this.level);
+}