/// <summary>
/// Get all available targets ordered by weight
/// </summary>
/// <param name="rawTargets"></param>
/// <param name="searcher"></param>
/// <returns></returns>
public static List <Pair <IAttackTarget, float> > GetAvailableShootingTargetsByScore(List <IAttackTarget> rawTargets, VehiclePawn searcher)
{
List <Pair <IAttackTarget, float> > availableShootingTargets = new List <Pair <IAttackTarget, float> >();
List <float> tmpTargetScores = new List <float>();
List <bool> tmpCanShootAtTarget = new List <bool>();
if (rawTargets.Count == 0)
{
return(availableShootingTargets);
}
tmpTargetScores.Clear();
tmpCanShootAtTarget.Clear();
float num = 0f;
IAttackTarget attackTarget = null;
for (int i = 0; i < rawTargets.Count; i++)
{
tmpTargetScores.Add(float.MinValue);
tmpCanShootAtTarget.Add(false);
if (rawTargets[i] != searcher)
{
bool flag = VehicleTurret.TryFindShootLineFromTo(searcher.Position, new LocalTargetInfo(rawTargets[i].Thing), out ShootLine shootLine);
tmpCanShootAtTarget[i] = flag;
if (flag)
{
float shootingTargetScore = GetShootingTargetScore(rawTargets[i], searcher);
tmpTargetScores[i] = shootingTargetScore;
if (attackTarget == null || shootingTargetScore > num)
{
attackTarget = rawTargets[i];
num = shootingTargetScore;
}
}
}
}
if (num < 1f)
{
if (attackTarget != null)
{
availableShootingTargets.Add(new Pair <IAttackTarget, float>(attackTarget, 1f));
}
}
else
{
float num2 = num - 30f;
for (int j = 0; j < rawTargets.Count; j++)
{
if (rawTargets[j] != searcher && tmpCanShootAtTarget[j])
{
float num3 = tmpTargetScores[j];
if (num3 >= num2)
{
float second = Mathf.InverseLerp(num - 30f, num, num3);
availableShootingTargets.Add(new Pair <IAttackTarget, float>(rawTargets[j], second));
}
}
}
}
return(availableShootingTargets);
}
/// <summary>
/// Best attack target for VehicleTurret
/// </summary>
/// <param name="cannon"></param>
/// <param name="flags"></param>
/// <param name="validator"></param>
/// <param name="minDist"></param>
/// <param name="maxDist"></param>
/// <param name="locus"></param>
/// <param name="maxTravelRadiusFromLocus"></param>
/// <param name="canBash"></param>
/// <param name="canTakeTargetsCloserThanEffectiveMinRange"></param>
/// <returns></returns>
public static IAttackTarget BestAttackTarget(VehicleTurret cannon, TargetScanFlags flags, Predicate <Thing> validator = null, float minDist = 0f, float maxDist = 9999f, IntVec3 locus = default(IntVec3), float maxTravelRadiusFromLocus = 3.4028235E+38f, bool canBash = false, bool canTakeTargetsCloserThanEffectiveMinRange = true)
{
VehiclePawn searcherPawn = cannon.vehicle;
float minDistSquared = minDist * minDist;
float num = maxTravelRadiusFromLocus + cannon.MaxRange;
float maxLocusDistSquared = num * num;
Func <IntVec3, bool> losValidator = null;
if ((flags & TargetScanFlags.LOSBlockableByGas) != TargetScanFlags.None)
{
losValidator = delegate(IntVec3 vec3)
{
Gas gas = vec3.GetGas(searcherPawn.Map);
return(gas == null || !gas.def.gas.blockTurretTracking);
};
}
Predicate <IAttackTarget> innerValidator = delegate(IAttackTarget t)
{
Thing thing = t.Thing;
if (t == searcherPawn)
{
return(false);
}
if (minDistSquared > 0f && (float)(searcherPawn.Position - thing.Position).LengthHorizontalSquared < minDistSquared)
{
return(false);
}
if (!canTakeTargetsCloserThanEffectiveMinRange)
{
float num2 = cannon.MinRange;
if (num2 > 0f && (float)(cannon.vehicle.Position - thing.Position).LengthHorizontalSquared < num2 * num2)
{
return(false);
}
}
if (maxTravelRadiusFromLocus < 9999f && (thing.Position - locus).LengthHorizontalSquared > maxLocusDistSquared)
{
return(false);
}
if (!searcherPawn.HostileTo(thing))
{
return(false);
}
if (validator != null && !validator(thing))
{
return(false);
}
if ((flags & TargetScanFlags.NeedLOSToAll) != TargetScanFlags.None)
{
if (losValidator != null && (!losValidator(searcherPawn.Position) || !losValidator(thing.Position)))
{
return(false);
}
if (!searcherPawn.CanSee(thing, losValidator))
{
if (t is Pawn)
{
if ((flags & TargetScanFlags.NeedLOSToPawns) != TargetScanFlags.None)
{
return(false);
}
}
else if ((flags & TargetScanFlags.NeedLOSToNonPawns) != TargetScanFlags.None)
{
return(false);
}
}
}
if (((flags & TargetScanFlags.NeedThreat) != TargetScanFlags.None || (flags & TargetScanFlags.NeedAutoTargetable) != TargetScanFlags.None) && t.ThreatDisabled(searcherPawn))
{
return(false);
}
if ((flags & TargetScanFlags.NeedAutoTargetable) != TargetScanFlags.None && !AttackTargetFinder.IsAutoTargetable(t))
{
return(false);
}
if ((flags & TargetScanFlags.NeedActiveThreat) != TargetScanFlags.None && !GenHostility.IsActiveThreatTo(t, searcherPawn.Faction))
{
return(false);
}
Pawn pawn = t as Pawn;
if ((flags & TargetScanFlags.NeedNonBurning) != TargetScanFlags.None && thing.IsBurning())
{
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;
using (CellRect.Enumerator enumerator = thing.OccupiedRect().GetEnumerator())
{
while (enumerator.MoveNext())
{
if (!enumerator.Current.Fogged(thing.Map))
{
flag2 = true;
break;
}
}
}
if (!flag2)
{
return(false);
}
}
return(true);
};
List <IAttackTarget> tmpTargets = new List <IAttackTarget>();
tmpTargets.AddRange(searcherPawn.Map.attackTargetsCache.GetPotentialTargetsFor(searcherPawn));
bool flag = false;
for (int i = 0; i < tmpTargets.Count; i++)
{
IAttackTarget attackTarget = tmpTargets[i];
if (attackTarget.Thing.Position.InHorDistOf(searcherPawn.Position, maxDist) && innerValidator(attackTarget) && VehicleTurret.TryFindShootLineFromTo(searcherPawn.Position, new LocalTargetInfo(attackTarget.Thing), out ShootLine resultingLine))
{
flag = true;
break;
}
}
IAttackTarget result;
if (flag)
{
tmpTargets.RemoveAll((IAttackTarget x) => !x.Thing.Position.InHorDistOf(searcherPawn.Position, maxDist) || !innerValidator(x));
result = GetRandomShootingTargetByScore(tmpTargets, searcherPawn);
}
else
{
Predicate <Thing> validator2;
if ((flags & TargetScanFlags.NeedReachableIfCantHitFromMyPos) != TargetScanFlags.None && (flags & TargetScanFlags.NeedReachable) == TargetScanFlags.None)
{
validator2 = ((Thing t) => innerValidator((IAttackTarget)t) && VehicleTurret.TryFindShootLineFromTo(searcherPawn.Position, new LocalTargetInfo(t), out ShootLine resultingLine));
}
else
{
validator2 = ((Thing t) => innerValidator((IAttackTarget)t));
}
result = (IAttackTarget)GenClosest.ClosestThing_Global(searcherPawn.Position, tmpTargets, maxDist, validator2, null);
}
tmpTargets.Clear();
return(result);
}
