public boolean roomExist(boolean[][] tempCoordinates, Piece p) {
boolean[][] temp;
try {
temp = MatrixBoolean2DUtil.alignedNand(tempCoordinates, p.getPiece_bits(), p.x, p.y);
} catch (ArrayIndexOutOfBoundsException aie) {
return false;
}
return MatrixBoolean2DUtil.isFullySparseFor(temp, true);
}
public void rotateCurrentPiece() {
Piece imaginary = currentPiece.getRotated();
boolean[][] tempResult =
MatrixBoolean2DUtil.alignedNand(
coordinates, currentPiece.getPiece_bits(), currentPiece.getX(), currentPiece.getY());
boolean[][] tempCoordinates = MatrixBoolean2DUtil.and(coordinates, tempResult);
if (roomExist(tempCoordinates, imaginary)) {
coordinates = tempCoordinates;
spawn(imaginary);
}
}
public void fall() {
Piece imaginary =
new Piece(currentPiece.getX() + 1, currentPiece.getY(), currentPiece.getPiece_bits());
boolean[][] tempResult =
MatrixBoolean2DUtil.alignedNand(
coordinates, currentPiece.getPiece_bits(), currentPiece.getX(), currentPiece.getY());
boolean[][] tempCoordinates = MatrixBoolean2DUtil.and(coordinates, tempResult);
if (roomExist(tempCoordinates, imaginary)) {
coordinates = tempCoordinates;
spawn(imaginary);
} else {
currentPiece.hitsBottom();
checkForPoints();
currentPiece = null;
}
}
public boolean spawn(Piece p) {
currentPiece = p;
if (roomExist(coordinates, p)) {
coordinates = MatrixBoolean2DUtil.alignedOr(coordinates, p.getPiece_bits(), p.x, p.y);
setChanged();
notifyObservers();
return true;
} else {
showEndGameMessage = true;
setChanged();
notifyObservers();
return false;
}
}