/**
* Build the map that the user drew into a complete and connected map
*
* @param map the map that the user built
* @return a fixed map that has all roads and intersections connected
* @throws Exception
*/
private Map buildAndSaveMap(Map map) throws Exception {
System.out.println("Building and saving map...");
int width = map.getWidth();
int height = map.getHeight();
Map fixed = new Map(width, height);
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
Component current = map.getGrid().get(x, y);
if (current instanceof Intersection) {
Coordinate location = new Coordinate(x, y);
Intersection i = new Intersection(location);
fixed.addIntersection(i);
deleteFromOldMap(map, location, location);
} else if (current instanceof Road) {
Road road = (Road) current;
Coordinate lastKnownCoord = road.getEndLocation();
if (road.runsVertically()) {
if (lastKnownCoord.getY() != height - 1) {
Component next = map.getGrid().get(x, y++);
while (next != null && next instanceof Road) {
lastKnownCoord = ((Road) next).getEndLocation();
if (y == height) break;
next = map.getGrid().get(x, y++);
}
y = road.getStartLocation().getY(); // go back to the row we started at
}
Coordinate start = road.getStartLocation();
Coordinate end = lastKnownCoord;
Road newRoad = new Road(start, end);
newRoad.addLane(new Lane(end, start, MapDirection.NORTH));
newRoad.addLane(new Lane(start, end, MapDirection.SOUTH));
fixed.addRoad(newRoad);
deleteFromOldMap(map, start, end);
} else {
if (lastKnownCoord.getX() != width - 1) {
Component next = map.getGrid().get(x++, y);
while (next != null && next instanceof Road) {
lastKnownCoord = ((Road) next).getEndLocation();
if (x == width) break;
next = map.getGrid().get(x++, y);
}
x =
x
- 2; // we overshot by 1, so go back, and loop will increment, so go back
// another
}
Coordinate start = road.getStartLocation();
Coordinate end = lastKnownCoord;
Road newRoad = new Road(start, end);
newRoad.addLane(new Lane(start, end, MapDirection.EAST));
newRoad.addLane(new Lane(end, start, MapDirection.WEST));
fixed.addRoad(newRoad);
deleteFromOldMap(map, start, end);
}
}
}
}
assignIntersectionsToRoads(fixed);
return fixed;
}
