/**
* Check if <code>positionX</code> is between <code>positionA</code> and <code>positionB</code>.
*
* @param positionX position that we want to check if it's between other positions
* @param positionA other position
* @param positionB other position
* @return <code>true</code> if positionX between other position and all position are on same
* line, otherwise <code>false</code>
*/
public static boolean isPositionBetweenPositionsOnLine(
int positionX, int positionA, int positionB) {
// if positionX is not between other positions, it can't be between
// them. Duh...
boolean greaterThanBoth = (positionX > positionA) && (positionX > positionB);
boolean lowertThanBoth = (positionX < positionA) && (positionX < positionB);
if (greaterThanBoth || lowertThanBoth) {
return false;
}
// all positions must be on same line
boolean sameRank =
(Utils.getRankFromPosition(positionX) == Utils.getRankFromPosition(positionA))
&& (Utils.getRankFromPosition(positionX) == Utils.getRankFromPosition(positionB));
boolean sameFile =
(Utils.getFileFromPosition(positionX) == Utils.getFileFromPosition(positionA))
&& (Utils.getFileFromPosition(positionX) == Utils.getFileFromPosition(positionB));
if (sameFile || sameRank) {
return true;
} else {
return false;
}
}
