// TODO
public boolean requestMoveUnit(UnitConcrete unit, Territory source, Territory destination) {
// First do some validation to ensure that the unit can physically make the move.
if (!source.getNeighbors().contains(destination)) {
return false;
}
if (unit.getMovementPoints() <= 0) {
return false;
}
// LandUnit -> Land or SeaUnit -> Sea
if (unit.getProfile() instanceof LandUnit && !destination.isSeaZone()
|| unit.getProfile() instanceof SeaUnit && destination.isSeaZone()) {
source.removeUnit(activePower, unit);
destination.addUnit(activePower, unit);
unit.setTerritorySource(destination);
unit.setMovementPoints(unit.getMovementPoints() - 1);
if (unit.getProfile() instanceof Transport || unit.getProfile() instanceof AircraftCarrier) {
for (UnitConcrete cargo : unit.getCargo()) {
source.removeUnit(activePower, cargo);
destination.addUnit(activePower, cargo);
cargo.setTerritorySource(destination);
}
}
return true;
}
// LandUnit -> Sea (transport)
else if (unit.getProfile() instanceof LandUnit
&& destination.isSeaZone()
&& !source.isSeaZone()) {
ArrayList<UnitConcrete> transports =
destination.getUnitsStationed(activePower).getUnitsByName(UnitName.TRANSPORT);
for (UnitConcrete t : transports) {
if (t.tryAddCargo(unit)) {
source.removeUnit(activePower, unit);
destination.addUnit(activePower, unit);
unit.setTerritorySource(destination);
unit.setMovementPoints(1); // All transported units can load-unload in same turn.
return true;
}
}
}
// AirUnit
else if (unit.getProfile() instanceof AirUnit) {
if (checkAirUnitHasReturnPath(unit, destination)) {
source.removeUnit(activePower, unit);
destination.addUnit(activePower, unit);
unit.setTerritorySource(destination);
unit.setMovementPoints(unit.getMovementPoints() - 1);
return true;
}
}
// SeaUnit -> Land (impossible)
else if (unit.getProfile() instanceof SeaUnit && !destination.isSeaZone()) {
return false; // Boats can never go on land.
}
return true;
}
public HashSet<Territory> getTerritoriesInRange(Territory source, int movementPoints) {
HashSet<Territory> territories = new HashSet<Territory>();
territories.add(source);
if (movementPoints > 0) {
for (Territory neighbor : source.getNeighbors()) {
territories.addAll(getTerritoriesInRange(neighbor, movementPoints - 1));
}
}
return territories;
}