public override float PowerScoreFor(AbilityAIDef abilityDef, Pawn pawn)
{
var baseScore = abilityDef.power;
//Grab enemies \ allies
var potentionalTargets = new List <Thing>(GrabTargets(abilityDef, pawn,
CustomGrabTargetsPredicate(abilityDef, pawn), MaxTargetsToCheck));
//Add self if can target allies.
if (abilityDef.canTargetAlly)
{
potentionalTargets.Add(pawn);
}
//Get the highest intersecting target.
var targetInfos = new List <LocalTargetInfo>();
foreach (var target in potentionalTargets)
{
targetInfos.Add(new LocalTargetInfo(target));
}
var bestTarget = AbilityMaths.PickMostRadialIntersectingTarget(targetInfos, abilityDef.abilityRadius);
//If we found no valid target, return negative power.
if (bestTarget == LocalTargetInfo.Invalid)
{
return(-abilityDef.power);
}
//Calculate final score from best target.
var finalScore = baseScore;
foreach (var targetPawn in AbilityUtility.GetPawnsInsideRadius(bestTarget, pawn.Map,
abilityDef.abilityRadius,
predPawn => abilityDef.abilityRadiusNeedSight &&
GenSight.LineOfSight(pawn.Position, predPawn.Position, pawn.Map, true) ||
abilityDef.abilityRadiusNeedSight == false))
{
if (targetPawn.HostileTo(pawn) || targetPawn.AnimalOrWildMan()
) //Hostile pawns or animals increase score.
{
finalScore += abilityDef.power;
}
else //Friendly pawns decrease score.
{
finalScore -= abilityDef.power;
}
}
//Log.Message("AbilityWorker_AreaOfEffect, finalScore=" + finalScore);
return(finalScore);
}
/// <summary>
/// Gets all Pawns inside the supplied radius. If any.
/// </summary>
/// <param name="center">Radius center.</param>
/// <param name="map">Map to look in.</param>
/// <param name="radius">The radius from the center.</param>
/// <param name="targetPredicate">Optional predicate on each candidate.</param>
/// <returns>Matching Pawns inside the Radius.</returns>
public static IEnumerable <Pawn> GetPawnsInsideRadius(LocalTargetInfo center, Map map, float radius, Predicate <Pawn> targetPredicate)
{
//With no predicate, just grab everything.
if (targetPredicate == null)
{
targetPredicate = thing => true;
}
foreach (Pawn pawn in map.listerThings.ThingsInGroup(ThingRequestGroup.Pawn))
{
if (AbilityMaths.CircleIntersectionTest(pawn.Position.x, pawn.Position.y, 1f, center.Cell.x, center.Cell.y, radius) && targetPredicate(pawn))
{
yield return(pawn);
}
}
}
public override LocalTargetInfo TargetAbilityFor(AbilityAIDef abilityDef, Pawn pawn)
{
//Grab enemies \ allies
List <Thing> potentionalTargets = new List <Thing>(GrabTargets(abilityDef, pawn, CustomGrabTargetsPredicate(abilityDef, pawn), MaxTargetsToCheck));
//Add self if can target allies.
if (abilityDef.canTargetAlly)
{
potentionalTargets.Add(pawn);
}
//Get the highest intersecting target.
List <LocalTargetInfo> targetInfos = new List <LocalTargetInfo>();
foreach (Thing target in potentionalTargets)
{
targetInfos.Add(new LocalTargetInfo(target));
}
LocalTargetInfo bestTarget = AbilityMaths.PickMostRadialIntersectingTarget(targetInfos, abilityDef.abilityRadius);
return(bestTarget);
}