public void remRoad(int pos) throws InfraException {
if (pos > 3 || pos < 0) throw new InfraException("Position out of range");
Road road = allRoads[pos];
if (road == null) throw new InfraException("Road at position " + pos + " does not exist");
allRoads[pos] = null;
alphaRoads = (Road[]) Arrayutils.remElement(alphaRoads, road);
updateLanes();
calculateWidth();
}
public void addRoad(Road r, int pos) throws InfraException {
if (r == null) throw new InfraException("Parameter r is null");
if (pos > 3 || pos < 0) throw new InfraException("Position out of range");
if (allRoads[pos] != null)
throw new InfraException("Road already connected to position " + pos);
allRoads[pos] = r;
Node other = r.getOtherNode(this);
if (other == null || !other.isAlphaRoad(r))
alphaRoads = (Road[]) Arrayutils.addElement(alphaRoads, r);
updateLanes();
calculateWidth();
}
public void remRoad(Road r) throws InfraException {
if (r == null) throw new InfraException("Parameter r is null");
alphaRoads = (Road[]) Arrayutils.remElement(alphaRoads, r);
for (int i = 0; i < 4; i++) {
if (allRoads[i] == r) {
allRoads[i] = null;
updateLanes();
calculateWidth();
return;
}
}
throw new InfraException("Road not found in this node");
}
/**
* Returns an array of all lanes connected to this node, in clock-wise order, starting at the
* given lane
*/
public Drivelane[] getAllLanesCW(Drivelane lane) throws InfraException {
Drivelane[] lanes = getAllLanes(); // in clockwise order starting at road 0, lane 0
// find the starting-lane
int i = Arrayutils.findElement(lanes, lane);
if (i == -1) throw new InfraException("Lane is not on this node");
// shift all the lanes i places and remove the i-th element
Drivelane[] result = new Drivelane[lanes.length - 1];
System.arraycopy(lanes, i + 1, result, 0, lanes.length - i - 1);
System.arraycopy(lanes, 0, result, lanes.length - i - 1, i);
return result;
}
/** Removes a sign configuration */
public void remSignconfig(Sign[] conf) throws InfraException {
if (conf == null) throw new InfraException("Parameter conf is null");
int i = Arrayutils.findElement(signconfigs, conf);
if (i == -1) throw new InfraException("Sign configuration is not in the list");
signconfigs = (Sign[][]) Arrayutils.remElement(signconfigs, i);
}
/** Adds a sign configuration */
public void addSignconfig(Sign[] conf) throws InfraException {
if (conf == null) throw new InfraException("Parameter conf is null");
signconfigs = (Sign[][]) Arrayutils.addElement(signconfigs, conf);
}
public void setAlphaRoad(int pos) throws InfraException {
if (pos > 3 || pos < 0) throw new InfraException("Position out of range");
if (allRoads[pos] == null) throw new InfraException("No road is conencted at position " + pos);
alphaRoads = (Road[]) Arrayutils.addElementUnique(alphaRoads, allRoads[pos]);
updateLanes();
}