public final void setBoardStyle(BoardStyle newStyle) {
// We don't allow any changes to the board's dimensions; only changes to
// the appearance of the board.
if (boardStyle != null
&& (boardStyle.getFrameWidth() != newStyle.getFrameWidth()
|| boardStyle.getSquareSize() != newStyle.getSquareSize()
|| boardStyle.getHeight() != newStyle.getHeight())) {
throw new ChessException(
"New board style dimensions do not match the current board dimensions");
}
boardStyle = newStyle;
chessPieceSet = ChessSet.getChessSet(boardStyle.getPieceStyleName());
}
/**
* Get the Chesspresso square index of the given location
*
* @param loc desired location
* @return the square index, or Chess.NO_SQUARE if not on the board
*/
int getSquareAt(Location loc) {
if (!areaBoard.contains(loc)) {
return Chess.NO_SQUARE;
}
int row = 0, col = 0;
switch (rotation) {
case NORTH:
row = 7 - ((loc.getBlockX() - areaBoard.getLowerX()) / boardStyle.getSquareSize());
col = 7 - ((loc.getBlockZ() - areaBoard.getLowerZ()) / boardStyle.getSquareSize());
break;
case EAST:
row = 7 - ((loc.getBlockZ() - areaBoard.getLowerZ()) / boardStyle.getSquareSize());
col = -((areaBoard.getLowerX() - loc.getBlockX()) / boardStyle.getSquareSize());
break;
case SOUTH:
row = -((areaBoard.getLowerX() - loc.getBlockX()) / boardStyle.getSquareSize());
col = -((areaBoard.getLowerZ() - loc.getBlockZ()) / boardStyle.getSquareSize());
break;
case WEST:
row = -((areaBoard.getLowerZ() - loc.getBlockZ()) / boardStyle.getSquareSize());
col = 7 - ((loc.getBlockX() - areaBoard.getLowerX()) / boardStyle.getSquareSize());
break;
}
return Chess.coorToSqi(col, row);
}
/**
* Get the Cuboid region for this square <i>of the chessboard itself</i>
*
* @param row
* @param col
* @return a Cuboid representing the square
*/
public Cuboid getSquare(int row, int col) {
if (row < 0 || col < 0 || row > 7 || col > 7) {
throw new ChessException("ChessBoard: getSquare: bad (row, col): (" + row + "," + col + ")");
}
Cuboid sq = new Cuboid(a1Corner.getLocation());
int s = boardStyle.getSquareSize();
CuboidDirection dir = rotation.getDirection();
CuboidDirection dirRight = rotation.getRight().getDirection();
sq = sq.shift(dir, row * s).shift(dirRight, col * s);
sq = sq.expand(dir, s - 1).expand(dirRight, s - 1);
return sq;
}
private PersistableLocation initH8Corner(Location a1) {
Location h8 = new Location(a1.getWorld(), a1.getBlockX(), a1.getBlockY(), a1.getBlockZ());
int size = boardStyle.getSquareSize();
switch (rotation) {
case NORTH:
h8.add(-size * 8 + 1, 0, -size * 8 + 1);
break;
case EAST:
h8.add(size * 8 - 1, 0, -size * 8 + 1);
break;
case SOUTH:
h8.add(size * 8 - 1, 0, size * 8 - 1);
break;
case WEST:
h8.add(-size * 8 + 1, 0, size * 8 - 1);
break;
}
return new PersistableLocation(h8);
}
private PersistableLocation initA1Corner(Location origin, BoardRotation rotation) {
Location a1 =
new Location(origin.getWorld(), origin.getBlockX(), origin.getBlockY(), origin.getBlockZ());
int offset = boardStyle.getSquareSize() / 2;
switch (rotation) {
case NORTH:
a1.add(offset, 0, offset);
break;
case EAST:
a1.add(-offset, 0, offset);
break;
case SOUTH:
a1.add(-offset, 0, -offset);
break;
case WEST:
a1.add(offset, 0, -offset);
break;
}
return new PersistableLocation(a1);
}