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-   -   Aircraft abort mission (RTB) if damaged? (http://forum.fulqrumpublishing.com/showthread.php?t=30849)

salmo 04-01-2012 09:32 AM
Aircraft abort mission (RTB) if damaged?
 
I'm trying to get an individual aircraft in an airgroup to RTB if a certain amount of damage or a particularly vital ststem is damaged. As a start, I'm just seeing if I can get the group or an airvraft in the group to RTB with the code below. I recall reading somewhere that you can't assign AI's new waypoints on the fly & that they have to go to their next waypoint before any dynamically added waypoints become active. Am I on the right track here? can anyone suggest a methodology?

Code:
    public override void OnAircraftDamaged(int missionNumber, string shortName, AiAircraft aircraft, AiDamageInitiator initiator, part.NamedDamageTypes damageType)
    {
        base.OnAircraftDamaged(missionNumber, shortName, aircraft, initiator, damageType);

        if (aircraft is AiAircraft && aircraft != null)
        {
            aircraft.AirGroup().setTask(AiAirGroupTask.LANDING, null);
        }
    }

bolox 04-01-2012 11:51 AM
my first thought would be to try dropping the bravery (and discipline) skill levels for the particular aircraft you wish to rtb to low levels.

might not be as precise as you wish but might work?

FG28_Kodiak 04-01-2012 12:04 PM
Its possible to change waypoints on the fly.


Here in this code i setting patrol waypoint on the fly, attack the nearest enemy airgroup if it enter the tpassthru trigger and the group return home if the fuellevel of one plane is lower than 150 (in OnTickGame).
Code:
using System;
using System.Collections;
using System.Collections.Generic;
using maddox.game;
using maddox.game.world;
using maddox.GP;


public class Mission : AMission
{

    AiAirGroup WayPointTestAirgroup;
    AiAirport AirGroupAirfield;
    bool toHome = false;
   

    public AiWayPoint CurrentPosWaypoint(AiAirGroup airGroup)
    {
        AiAirWayPoint aaWP = null;
        double speed = (airGroup.GetItems()[0] as AiAircraft).getParameter(part.ParameterTypes.Z_VelocityTAS, -1);

        Point3d CurrentPos = airGroup.Pos();

        aaWP = new AiAirWayPoint(ref CurrentPos, speed);
        aaWP.Action = AiAirWayPointType.NORMFLY;

        return aaWP;
    }


    public AiWayPoint GetLandingWaypoint(AiAirport landingAirfield, double ApproachHeight)
    {
        AiAirWayPoint aaWP = null;
        double speed = 100.0;
        Point3d point = new Point3d(landingAirfield.Pos().x, landingAirfield.Pos().y, ApproachHeight);

        point = landingAirfield.Pos();

        aaWP = new AiAirWayPoint(ref point, speed);
        aaWP.Action = AiAirWayPointType.LANDING;
        aaWP.Target = landingAirfield;

        return aaWP;
    }


    public AiWayPoint[] WaitingWayPoints(Point2d location, double height, double speed, double AreaWidthX, double AreaWidthY, int numberOfCycles, AiAirWayPointType wayPointType)
    {
        List<AiWayPoint> NewWaypoints = new List<AiWayPoint>();

        Point3d curPoint = new Point3d(location.x, location.y, height);

        AiAirWayPoint aaWP;

        aaWP = new AiAirWayPoint(ref curPoint, speed);
        aaWP.Action = wayPointType;

        NewWaypoints.Add(aaWP);

        for (int i = 0; i < numberOfCycles; i++)
        {
            curPoint.add(AreaWidthX, 0, 0);
            aaWP = new AiAirWayPoint(ref curPoint, speed);
            aaWP.Action = wayPointType;

            NewWaypoints.Add(aaWP);

            curPoint.add(0, AreaWidthY, 0);
            aaWP = new AiAirWayPoint(ref curPoint, speed);
            aaWP.Action = wayPointType;

            NewWaypoints.Add(aaWP);

            curPoint.add(-AreaWidthX, 0, 0);
            aaWP = new AiAirWayPoint(ref curPoint, speed);
            aaWP.Action = wayPointType;

            NewWaypoints.Add(aaWP);

            curPoint.add(0, -AreaWidthY, 0);
            aaWP = new AiAirWayPoint(ref curPoint, speed);
            aaWP.Action = wayPointType;

            NewWaypoints.Add(aaWP);
        }

        return NewWaypoints.ToArray();
    }


    public Point2d GetXYCoord(AiActor actor)
    {
        Point2d CurrentPoint = new Point2d(actor.Pos().x, actor.Pos().y);
        return CurrentPoint;
    }


    public AiAirport GetAirfieldAt(Point3d location)
    {
        AiAirport NearestAirfield = null;
        AiAirport[] airports = GamePlay.gpAirports();
        Point3d StartPos = location;

        if (airports != null)
        {
            foreach (AiAirport airport in airports)
            {
                if (NearestAirfield != null)
                {
                    if (NearestAirfield.Pos().distance(ref StartPos) > airport.Pos().distance(ref StartPos))
                        NearestAirfield = airport;
                }
                else NearestAirfield = airport;
            }
        }
        return NearestAirfield;
    }


    public override void OnBattleStarted()
    {
        base.OnBattleStarted();

        MissionNumberListener = -1;

        WayPointTestAirgroup = base.GamePlay.gpActorByName("0:BoB_LW_JG27_I.01") as AiAirGroup;
        AirGroupAirfield = GetAirfieldAt(WayPointTestAirgroup.Pos());
    }


    public Point3d CalculateWayPoint(Point3d startPoint, Point3d endPoint, double x, double height)
    {
        double m = 0.0;
        double b = 0.0;

        m = (endPoint.y - startPoint.y) / (endPoint.x - startPoint.x);
        b = startPoint.y - m * startPoint.x;
        Point3d point = new Point3d(x, m * x + b, height);

        return point;
    }


    public AiWayPoint[] SetWaypointBetween(Point3d startLocation, Point3d targetLocation, double height, double speed)
    {

        List<AiWayPoint> Wps = new List<AiWayPoint>();

        AiAirWayPoint aaWP = null;

        double X1;
        double X2;
        double halfway = 0.0;
        Point3d point;

        X1 = startLocation.x;
        X2 = targetLocation.x;

        halfway = (X2 - X1) / 2;

        point = CalculateWayPoint(startLocation, targetLocation, X2 - halfway, height);
       
        aaWP = new AiAirWayPoint(ref point, speed);
        aaWP.Action = AiAirWayPointType.NORMFLY;

        Wps.Add(aaWP);

        return Wps.ToArray();
    }


    public AiAirGroup getNearestEnemyAirgroup(AiAirGroup from)
    {
        AiAirGroup NearestAirgroup = null;
        AiAirGroup[] EnemyAirgroups;
        Point3d StartPos = from.Pos();

        EnemyAirgroups = GamePlay.gpAirGroups((from.Army() == 1) ? 2 : 1);

        if (EnemyAirgroups != null)
        {
            foreach (AiAirGroup airgroup in EnemyAirgroups)
            {
                if (NearestAirgroup != null)
                {
                    if (NearestAirgroup.Pos().distance(ref StartPos) > airgroup.Pos().distance(ref StartPos))
                        NearestAirgroup = airgroup;
                }
                else NearestAirgroup = airgroup;
            }
            return NearestAirgroup;
        }
        else
            return null;

    }


    public double? getDistanceToNearestEnemyAirgroup(AiAirGroup from)
    {
        AiAirGroup NearestAirgroup = null;
        AiAirGroup[] EnemyAirgroups;
        Point3d StartPos = from.Pos();

        EnemyAirgroups = GamePlay.gpAirGroups((from.Army() == 1) ? 2 : 1);

        if (EnemyAirgroups != null)
        {
            foreach (AiAirGroup airgroup in EnemyAirgroups)
            {
                if (NearestAirgroup != null)
                {
                    if (NearestAirgroup.Pos().distance(ref StartPos) > airgroup.Pos().distance(ref StartPos))
                        NearestAirgroup = airgroup;
                }
                else NearestAirgroup = airgroup;
            }
            return NearestAirgroup.Pos().distance(ref StartPos);
        }
        else
            return null;
    }

    public override void OnTickGame()
    {
          base.OnTickGame();
       
        if (Time.tickCounter() % 1800 == 1799)
        {
            GamePlay.gpLogServer(null, "TASK: {0}", new object[] { WayPointTestAirgroup.getTask() });
            if (!toHome)
            {
                foreach (AiActor ac in WayPointTestAirgroup.GetItems())
                {
                    GamePlay.gpLogServer(null, "Plane: {0} , Fuel: {1}, Taskcomplete: {2}", new object[] { (ac as AiAircraft).Name(), (ac as AiAircraft).getParameter(part.ParameterTypes.S_FuelReserve, -1), (ac as AiAircraft).IsTaskComplete() });

                    if ((ac as AiAircraft).getParameter(part.ParameterTypes.S_FuelReserve, -1) < 150)
                    {
                        toHome = true;
                        List<AiWayPoint> NewWaypoints = new List<AiWayPoint>();

                        NewWaypoints.Add(CurrentPosWaypoint(WayPointTestAirgroup));
                        NewWaypoints.AddRange(SetWaypointBetween(WayPointTestAirgroup.Pos(), AirGroupAirfield.Pos(), 4000, 90.0));
                        NewWaypoints.Add(GetLandingWaypoint(AirGroupAirfield, 1000.0));

                        WayPointTestAirgroup.SetWay(NewWaypoints.ToArray());


                        //WayPointTestAirgroup.setTask(AiAirGroupTask.LANDING, null);
                    }
                }
            }
        }
    }


    public override void OnTrigger(int missionNumber, string shortName, bool active)
    {
        base.OnTrigger(missionNumber, shortName, active);

        if (shortName.Equals("trigger"))
        {
            GamePlay.gpGetTrigger(shortName).Enable = false;

            List<AiWayPoint> NewWaypoints = new List<AiWayPoint>();

            NewWaypoints.Add(CurrentPosWaypoint(WayPointTestAirgroup));
            NewWaypoints.AddRange(WaitingWayPoints(GetXYCoord(WayPointTestAirgroup), 4000.0, 80.0, 10000.0, 5000.0, 20, AiAirWayPointType.HUNTING));
           
            NewWaypoints.AddRange(SetWaypointBetween(WayPointTestAirgroup.Pos(), AirGroupAirfield.Pos(), 4000, 90.0));
         
            NewWaypoints.Add(GetLandingWaypoint(AirGroupAirfield, 1000.0));

            WayPointTestAirgroup.SetWay(NewWaypoints.ToArray());
        }

        if (shortName.Equals("AttackTrigger"))
        {

            GamePlay.gpGetTrigger(shortName).Enable = false;

            AiAirGroup TestGroup = getNearestEnemyAirgroup(WayPointTestAirgroup);

            if (TestGroup != null)
            {
                GamePlay.gpLogServer(null, "Nächste Airgroup: {0}", new object[] { TestGroup.Name() });
            }

            if (getDistanceToNearestEnemyAirgroup(WayPointTestAirgroup).HasValue)
            {
                if (getDistanceToNearestEnemyAirgroup(WayPointTestAirgroup).Value < 10000.0)
                {
                    GamePlay.gpLogServer(null, "Entfernung: {0}", new object[] { getDistanceToNearestEnemyAirgroup(WayPointTestAirgroup).Value });
                    WayPointTestAirgroup.setTask(AiAirGroupTask.ATTACK_AIR, TestGroup);
                }
            }
      }
    }
}
The test mission:
Code:
[PARTS]
  core.100
  bob.100
[MAIN]
  MAP Land$English_Channel_1940
  BattleArea 150000 100000 100000 150000 1000
  TIME 12
  WeatherIndex 0
  CloudsHeight 1000
  BreezeActivity 10
  ThermalActivity 10
  player BoB_LW_LG2_I.010
[GlobalWind_0]
  Power 3.000 0.000 0.000
  BottomBound 0.00
  TopBound 1500.00
  GustPower 5
  GustAngle 45
[splines]
[AirGroups]
  BoB_LW_JG27_I.01
  BoB_LW_LG2_I.02
  BoB_RAF_B_218Sqn.01
[BoB_LW_JG27_I.01]
  Flight0  1 2 3 4
  Class Aircraft.Bf-109E-4
  Formation FINGERFOUR
  CallSign 26
  Fuel 100
  Weapons 1 1
  Skill 1 1 1 1 1 1 1 1
[BoB_LW_JG27_I.01_Way]
  TAKEOFF 298542.49 127274.80 0 0
  NORMFLY 298560.09 139352.05 500.00 300.00
  NORMFLY 300646.99 168136.71 2000.00 300.00
  NORMFLY 300907.78 224196.64 4000.00 300.00
[BoB_LW_LG2_I.02]
  Flight1  11
  Class Aircraft.Bf-109E-4
  Formation FINGERFOUR
  CallSign 30
  Fuel 100
  Weapons 1 1
  Idle 1
  Skill 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
[BoB_LW_LG2_I.02_Way]
  TAKEOFF 315117.45 130318.82 0 0
[BoB_RAF_B_218Sqn.01]
  Flight0  1 2
  Class Aircraft.AnsonMkI
  Formation LINEABREAST
  CallSign 26
  Fuel 100
  Weapons 1 1
  Skill 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
[BoB_RAF_B_218Sqn.01_Way]
  NORMFLY 231174.53 302771.42 4000.00 300.00
  NORMFLY 267853.63 295954.95 4000.00 300.00
  NORMFLY 295768.69 224221.85 4000.00 300.00
  NORMFLY 301604.10 221876.53 4000.00 300.00
  NORMFLY 305171.27 225029.08 4000.00 300.00
  NORMFLY 302728.31 229224.33 4000.00 300.00
  NORMFLY 231012.23 300986.15 4000.00 300.00
[CustomChiefs]
[Stationary]
[Buildings]
[BuildingsLinks]
[Trigger]
  trigger TPassThrough 1 BoB_LW_JG27_I.01 300251 224762 5650
  AttackTrigger TPassThrough 5 1 300357 225163 5250


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