public static IAttackTarget BestAttackTarget(IAttackTargetSearcher searcher, TargetScanFlags flags, Predicate <Thing> validator = null, float minDist = 0f, float maxDist = 9999f, IntVec3 locus = default(IntVec3), float maxTravelRadiusFromLocus = 3.40282347E+38f, bool canBash = false, bool canTakeTargetsCloserThanEffectiveMinRange = true)
{
Thing searcherThing = searcher.Thing;
Pawn searcherPawn = searcher as Pawn;
Verb verb = searcher.CurrentEffectiveVerb;
if (verb == null)
{
Log.Error("BestAttackTarget with " + searcher.ToStringSafe <IAttackTargetSearcher>() + " who has no attack verb.", false);
return(null);
}
bool onlyTargetMachines = verb.IsEMP();
float minDistSquared = minDist * minDist;
float num = maxTravelRadiusFromLocus + verb.verbProps.range;
float maxLocusDistSquared = num * num;
Func <IntVec3, bool> losValidator = null;
if ((byte)(flags & TargetScanFlags.LOSBlockableByGas) != 0)
{
losValidator = delegate(IntVec3 vec3)
{
Gas gas = vec3.GetGas(searcherThing.Map);
return(gas == null || !gas.def.gas.blockTurretTracking);
};
}
Predicate <IAttackTarget> innerValidator = delegate(IAttackTarget t)
{
Thing thing = t.Thing;
if (t == searcher)
{
return(false);
}
if (minDistSquared > 0f && (float)(searcherThing.Position - thing.Position).LengthHorizontalSquared < minDistSquared)
{
return(false);
}
if (!canTakeTargetsCloserThanEffectiveMinRange)
{
float num2 = verb.verbProps.EffectiveMinRange(thing, searcherThing);
if (num2 > 0f && (float)(searcherThing.Position - thing.Position).LengthHorizontalSquared < num2 * num2)
{
return(false);
}
}
if (maxTravelRadiusFromLocus < 9999f && (float)(thing.Position - locus).LengthHorizontalSquared > maxLocusDistSquared)
{
return(false);
}
if (!searcherThing.HostileTo(thing))
{
return(false);
}
if (validator != null && !validator(thing))
{
return(false);
}
if (searcherPawn != null)
{
Lord lord = searcherPawn.GetLord();
if (lord != null && !lord.LordJob.ValidateAttackTarget(searcherPawn, thing))
{
return(false);
}
}
if ((byte)(flags & TargetScanFlags.NeedLOSToAll) != 0 && !searcherThing.CanSee(thing, losValidator))
{
if (t is Pawn)
{
if ((byte)(flags & TargetScanFlags.NeedLOSToPawns) != 0)
{
return(false);
}
}
else if ((byte)(flags & TargetScanFlags.NeedLOSToNonPawns) != 0)
{
return(false);
}
}
if ((byte)(flags & TargetScanFlags.NeedThreat) != 0 && t.ThreatDisabled(searcher))
{
return(false);
}
Pawn pawn = t as Pawn;
if (onlyTargetMachines && pawn != null && pawn.RaceProps.IsFlesh)
{
return(false);
}
if ((byte)(flags & TargetScanFlags.NeedNonBurning) != 0 && thing.IsBurning())
{
return(false);
}
if (searcherThing.def.race != null && searcherThing.def.race.intelligence >= Intelligence.Humanlike)
{
CompExplosive compExplosive = thing.TryGetComp <CompExplosive>();
if (compExplosive != null && compExplosive.wickStarted)
{
return(false);
}
}
if (thing.def.size.x == 1 && thing.def.size.z == 1)
{
if (thing.Position.Fogged(thing.Map))
{
return(false);
}
}
else
{
bool flag2 = false;
CellRect.CellRectIterator iterator = thing.OccupiedRect().GetIterator();
while (!iterator.Done())
{
if (!iterator.Current.Fogged(thing.Map))
{
flag2 = true;
break;
}
iterator.MoveNext();
}
if (!flag2)
{
return(false);
}
}
return(true);
};
if (AttackTargetFinder.HasRangedAttack(searcher))
{
AttackTargetFinder.tmpTargets.Clear();
AttackTargetFinder.tmpTargets.AddRange(searcherThing.Map.attackTargetsCache.GetPotentialTargetsFor(searcher));
if ((byte)(flags & TargetScanFlags.NeedReachable) != 0)
{
Predicate <IAttackTarget> oldValidator = innerValidator;
innerValidator = ((IAttackTarget t) => oldValidator(t) && AttackTargetFinder.CanReach(searcherThing, t.Thing, canBash));
}
bool flag = false;
for (int i = 0; i < AttackTargetFinder.tmpTargets.Count; i++)
{
IAttackTarget attackTarget = AttackTargetFinder.tmpTargets[i];
if (attackTarget.Thing.Position.InHorDistOf(searcherThing.Position, maxDist) && innerValidator(attackTarget) && AttackTargetFinder.CanShootAtFromCurrentPosition(attackTarget, searcher, verb))
{
flag = true;
break;
}
}
IAttackTarget result;
if (flag)
{
AttackTargetFinder.tmpTargets.RemoveAll((IAttackTarget x) => !x.Thing.Position.InHorDistOf(searcherThing.Position, maxDist) || !innerValidator(x));
result = AttackTargetFinder.GetRandomShootingTargetByScore(AttackTargetFinder.tmpTargets, searcher, verb);
}
else
{
Predicate <Thing> validator2;
if ((byte)(flags & TargetScanFlags.NeedReachableIfCantHitFromMyPos) != 0 && (byte)(flags & TargetScanFlags.NeedReachable) == 0)
{
validator2 = ((Thing t) => innerValidator((IAttackTarget)t) && (AttackTargetFinder.CanReach(searcherThing, t, canBash) || AttackTargetFinder.CanShootAtFromCurrentPosition((IAttackTarget)t, searcher, verb)));
}
else
{
validator2 = ((Thing t) => innerValidator((IAttackTarget)t));
}
result = (IAttackTarget)GenClosest.ClosestThing_Global(searcherThing.Position, AttackTargetFinder.tmpTargets, maxDist, validator2, null);
}
AttackTargetFinder.tmpTargets.Clear();
return(result);
}
if (searcherPawn != null && searcherPawn.mindState.duty != null && searcherPawn.mindState.duty.radius > 0f && !searcherPawn.InMentalState)
{
Predicate <IAttackTarget> oldValidator = innerValidator;
innerValidator = ((IAttackTarget t) => oldValidator(t) && t.Thing.Position.InHorDistOf(searcherPawn.mindState.duty.focus.Cell, searcherPawn.mindState.duty.radius));
}
IntVec3 position = searcherThing.Position;
Map map = searcherThing.Map;
ThingRequest thingReq = ThingRequest.ForGroup(ThingRequestGroup.AttackTarget);
PathEndMode peMode = PathEndMode.Touch;
Pawn searcherPawn2 = searcherPawn;
Danger maxDanger = Danger.Deadly;
bool canBash2 = canBash;
TraverseParms traverseParams = TraverseParms.For(searcherPawn2, maxDanger, TraverseMode.ByPawn, canBash2);
float maxDist2 = maxDist;
Predicate <Thing> validator3 = (Thing x) => innerValidator((IAttackTarget)x);
int searchRegionsMax = (maxDist <= 800f) ? 40 : -1;
IAttackTarget attackTarget2 = (IAttackTarget)GenClosest.ClosestThingReachable(position, map, thingReq, peMode, traverseParams, maxDist2, validator3, null, 0, searchRegionsMax, false, RegionType.Set_Passable, false);
if (attackTarget2 != null && PawnUtility.ShouldCollideWithPawns(searcherPawn))
{
IAttackTarget attackTarget3 = AttackTargetFinder.FindBestReachableMeleeTarget(innerValidator, searcherPawn, maxDist, canBash);
if (attackTarget3 != null)
{
float lengthHorizontal = (searcherPawn.Position - attackTarget2.Thing.Position).LengthHorizontal;
float lengthHorizontal2 = (searcherPawn.Position - attackTarget3.Thing.Position).LengthHorizontal;
if (Mathf.Abs(lengthHorizontal - lengthHorizontal2) < 50f)
{
attackTarget2 = attackTarget3;
}
}
}
return(attackTarget2);
}