/** (Re)Calculates the width of this junction */
public void calculateWidth() {
Road road;
width = 4;
for (int i = 0; i < 4; i++) {
road = allRoads[i];
if (road != null && road.getWidth() > width) width = road.getWidth();
}
}
/* clockwise order guaranteed */
public Drivelane[] getAllLanes() throws InfraException {
int pointer = 0;
Drivelane[] lanes = new Drivelane[getNumAllLanes()];
Drivelane[] temp;
Road road;
for (int i = 0; i < allRoads.length; i++) {
road = allRoads[i];
if (road != null) {
temp = road.getInboundLanes(this);
System.arraycopy(temp, 0, lanes, pointer, temp.length);
pointer += temp.length;
temp = road.getOutboundLanes(this);
System.arraycopy(temp, 0, lanes, pointer, temp.length);
pointer += temp.length;
}
}
return lanes;
}
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 loadSecondStage(Dictionary dictionaries)
throws XMLInvalidInputException, XMLTreeException {
super.loadSecondStage(dictionaries);
// Load roads
Dictionary roadDictionary = (Dictionary) (dictionaries.get("road"));
allRoads = new Road[loadData.roads.length];
for (int t = 0; t < loadData.roads.length; t++) {
allRoads[t] = (Road) (roadDictionary.get(new Integer(loadData.roads[t])));
if (allRoads[t] == null && loadData.roads[t] != -1)
System.out.println("Warning : " + getName() + " could not find road " + loadData.roads[t]);
}
// Load normal signs
Dictionary laneDictionary = (Dictionary) (dictionaries.get("lane"));
signs = new Sign[loadData.signs.length];
for (int t = 0; t < loadData.signs.length; t++)
signs[t] = getSign(laneDictionary, loadData.signs[t]);
// Load Signconfigurations
signconfigs = new Sign[loadData.signconfigs.length][2];
for (int t = 0; t < signconfigs.length; t++) {
signconfigs[t] = new Sign[loadData.signconfigs[t].length];
for (int u = 0; u < signconfigs[t].length; u++) {
signconfigs[t][u] = getSign(laneDictionary, loadData.signconfigs[t][u]);
}
}
// Tell *all* roads to load themselves
// It's possible that this Node has a BetaLane that has not been SecondStageLoaded
// And so we cant do an UpdateLanes() as that one needs secondStageData to proceed.
// Hence, we need to 2ndStage all Roads.
Enumeration e = new ArrayEnumeration(allRoads);
Road tmpRoad;
while (e.hasMoreElements()) {
tmpRoad = (Road) e.nextElement();
if (tmpRoad != null) tmpRoad.loadSecondStage(dictionaries);
}
try { // System.out.println("Trying to updateLanes()");
updateLanes();
} catch (InfraException x) {
throw new XMLInvalidInputException("Cannot initialize lanes of node " + nodeId);
}
}