public static boolean couldPutHere(Item it, Posi_tion position, VehicleType ve) {
if (position.getX() + it.get_width() > ve.get_width()) {
return false;
}
if (position.getY() + it.get_length() > ve.get_length()) {
return false;
}
return true;
}
public static int getLB(Item it, Posi_tion p, VehicleType ve) {
// Can't be placed in vehicle
if ((p.getY() + it.get_length() > ve.get_length())
|| (p.getX() + it.get_width() > ve.get_width())) return 0;
/*
* int index = ve.unpacked.indexOf(it); ve.unpacked.remove(index);
* ve.packed.add(it);
*/
int y1 = it.get_length() + p.getY();
int x1 = it.get_width() + p.getX();
int itArea = it.get_length() * it.get_width();
// Situation 1
if (ve.pos.size() == 1) {
return remainArea - itArea;
}
// Situation 2
if (p.getX() == 0) {
if (x1 < ve.pos.get(1).getX()) {
return remainArea - itArea;
} else {
return remainArea
- itArea
- (x1 - ve.pos.get(1).getX()) * (ve.pos.get(0).getY() - ve.pos.get(1).getY());
}
}
// Situation 3
if (p.getY() == 0) {
if (y1 < ve.pos.get(ve.pos.size() - 1).getY()) return remainArea - itArea;
else
return remainArea
- itArea
- (p.getX() - ve.pos.get(ve.pos.size() - 2).getX())
* (y1 - ve.pos.get(ve.pos.size() - 2).getY());
}
// Situation 4
int ip = ve.pos.indexOf(p);
if (x1 < ve.pos.get(ip + 1).getX() && y1 < ve.pos.get(ip - 1).getY())
return remainArea - itArea;
else if (y1 >= ve.pos.get(ip - 1).getY())
return remainArea
- itArea
- (p.getX() - ve.pos.get(ip - 1).getX()) * (y1 - ve.pos.get(ip - 1).getY());
else if (x1 > ve.pos.get(ip + 1).getX())
return remainArea
- itArea
- (x1 - ve.pos.get(ip + 1).getX()) * (p.getY() - ve.pos.get(ip + 1).getY());
else return 0;
}