/**
* Gets all attackers that have been locked to a particular threat
*
* @return
*/
private Set<Integer> getLockedAttackers() {
Set<Integer> locked = new TreeSet<>();
ArrayList<AttackerModel> attackersList = ReadAttackers.getAttackers();
for (AttackerModel attacker : attackersList) {
if (attacker.isAttackerLocked()) {
locked.add(attacker.getIndex());
}
}
return locked;
}
/** register information requirement for attackers, according to its target and location. */
public void registerInfoRequirement() {
ArrayList<AttackerModel> attackersList = ReadAttackers.getAttackers();
for (AttackerModel attacker : attackersList) {
if (attacker == null || !attacker.isOnline()) {
continue;
}
Target target = attacker.getTarget_indicated_by_role();
if (target != null) {
float[] attacker_coord = attacker.getCenterCoordinates();
this.msg_dispatcher.register(attacker.getIndex(), attacker_coord, target);
}
}
}
/**
* assign role for uavs with subteam (size=this.subteam_size), considering the special case:
* attacker i should be assigned with role i. Other role should be assigned to the nearest uav
*
* @param assigned_attacker_index
* @param assigned_role_index
*/
private void roleAssignForAttackerWithSubTeam(
int assigned_attacker_index, int assigned_role_index) {
TreeSet<Integer> assigned_attacker = new TreeSet<>();
ArrayList<Threat> threats = kb.getThreats();
ArrayList<AttackerModel> attackersList = ReadAttackers.getAttackers();
int threat_num = threats.size();
int attacker_num = HandleTree.attackersNode.getChildCount();
for (int i = 0; i < threat_num; i++) {
Threat threat = threats.get(i);
if (!threat.isEnabled()) {
continue;
}
Set<Integer> attackers_locked = getLockedAttackers();
if (attackers_locked == null) {
attackers_locked = new TreeSet<>();
}
assigned_attacker.addAll(attackers_locked);
// manually assign
if (threat.getIndex() == assigned_role_index) {
for (AttackerModel attacker : attackersList) {
synchronized (attacker) {
if (attacker == null || !attacker.isOnline()) {
continue;
}
}
if (assigned_attacker_index == attacker.getIndex()) {
if (attacker.getTarget_indicated_by_role() == null
|| attacker.getTarget_indicated_by_role().getIndex() != threat.getIndex()) {
attacker.setFlightMode(CC_StaticInitConfig.FLYING_MODE);
}
attackerUtils.update.setTarget_indicated_by_role(threat, attacker);
attackerUtils.update.setSpeed(CC_StaticInitConfig.SPEED_OF_ATTACKER_ON_TASK, attacker);
attackerUtils.update.setReplan(true, attacker);
assigned_attacker.add(assigned_attacker_index);
break;
}
}
continue;
}
int remained_team_size = this.sub_team_size - attackers_locked.size();
ArrayList<AttackerModel> attacker_arr_to_assign = new ArrayList<>();
ArrayList<Float> attacker_dist_to_assign = new ArrayList<>();
for (AttackerModel current_attacker : attackersList) {
if (!current_attacker.isEnduranceCapReachable(threat)) {
continue;
}
if (assigned_attacker_index == current_attacker.getIndex()) {
continue;
}
if (!current_attacker.isOnline()) {
continue;
}
if (attackers_locked.contains(current_attacker.getIndex())) {
continue;
}
if (assigned_attacker.contains(current_attacker.getIndex())) {
continue;
}
float dist_between_uav_and_role =
DistanceUtil.distanceBetween(
current_attacker.getCenterCoordinates(), threat.getCoordinates());
int index_to_insert = 0;
boolean attacker_added = false;
for (float attacker_dist : attacker_dist_to_assign) {
if (dist_between_uav_and_role < attacker_dist) {
attacker_added = true;
break;
}
index_to_insert++;
}
if (attacker_added) {
attacker_dist_to_assign.add(index_to_insert, dist_between_uav_and_role);
attacker_arr_to_assign.add(index_to_insert, current_attacker);
if (attacker_dist_to_assign.size() > remained_team_size) {
attacker_dist_to_assign.remove(remained_team_size);
attacker_arr_to_assign.remove(remained_team_size);
}
} else if (attacker_dist_to_assign.size() < remained_team_size) {
attacker_dist_to_assign.add(dist_between_uav_and_role);
attacker_arr_to_assign.add(current_attacker);
}
}
if (attacker_arr_to_assign.size() >= remained_team_size) {
for (AttackerModel attacker : attacker_arr_to_assign) {
if (attacker.getFlightMode() == CC_StaticInitConfig.TARGET_LOCKED_MODE) {
continue;
}
assigned_attacker.add(attacker.getIndex());
attackerUtils.update.setTarget_indicated_by_role(threat, attacker);
attackerUtils.update.setSpeed(CC_StaticInitConfig.SPEED_OF_ATTACKER_ON_TASK, attacker);
attackerUtils.update.setReplan(true, attacker);
attackerUtils.update.setFlightMode(CC_StaticInitConfig.FLYING_MODE, attacker);
}
}
}
for (AttackerModel current_attacker : attackersList) {
if (current_attacker.getFlightMode() == CC_StaticInitConfig.TARGET_LOCKED_MODE) {
continue;
}
if (!assigned_attacker.contains(current_attacker.getIndex())
&& current_attacker.getTarget_indicated_by_role() != null
&& current_attacker.getTarget_indicated_by_role().getIndex() != -1) {
float[] dummy_threat_coord = current_attacker.getUavPositionInBaseStation();
Threat dummy_threat = new Threat(-1, dummy_threat_coord, 0, ThreatType.DUMMY);
attackerUtils.update.setTarget_indicated_by_role(dummy_threat, current_attacker);
attackerUtils.update.setReplan(true, current_attacker);
attackerUtils.update.setSpeed(CC_StaticInitConfig.SPEED_OF_ATTACKER_IDLE, current_attacker);
attackerUtils.update.setFlightMode(CC_StaticInitConfig.FLYING_MODE, current_attacker);
}
}
need_to_assign_role = false;
}