public boolean Step(Position start, Position end) {
int startRow = start.getNumber1();
int startColumn = start.getNumber2();
int endRow = end.getNumber1();
int endColumn = end.getNumber2();
if ((startRow == endRow || startColumn == endColumn)
|| (Math.abs(startRow - endRow) == Math.abs(endColumn - startColumn))) {
if (startRow == endRow || startColumn == endColumn) {
int diffPos = 0;
if (startRow == endRow) {
diffPos = startColumn < endColumn ? 1 : -1;
for (int i = startColumn + 1; i < endColumn; i += diffPos) {
if (ChessBoard.getFigure(startRow, i) != null) {
return false;
}
}
} else if (startColumn == endColumn) {
diffPos = startRow < endRow ? 1 : -1;
for (int i = startRow + 1; i < endRow; i += diffPos) {
if (ChessBoard.getFigure(i, startColumn) != null) {
return false;
}
}
}
} else if (Math.abs(startRow - endRow) == Math.abs(endColumn - startColumn)) {
int diffPosNum1 = startRow < endRow ? 1 : -1;
int diffPosNum2 = startColumn < endColumn ? 1 : -1;
for (int i = startRow + 1, j = startColumn + 1;
i < endRow;
i += diffPosNum1, j += diffPosNum2) {
if (ChessBoard.getFigure(i, j) != null) {
return false;
}
}
}
if (ChessBoard.getFigure(endRow, endColumn) != null
&& ChessBoard.getFigure(endRow, endColumn).getColor() == this.getColor()) {
return false;
}
ChessBoard.resetFigure(endRow, endColumn);
System.out.println(
"figure changed his position from ["
+ row
+ ","
+ column
+ "] to ["
+ endRow
+ ","
+ endColumn
+ "]");
ChessBoard.setFigure(color, row, column);
return true;
}
return false;
}
