private static bool ShouldMob(Entity self, EntityBeliefs ent)
{
var trace = new TraceLine(self.World);
trace.Origin = ent.LastPos;
trace.HitGeometry = true;
trace.HitEntities = false;
trace.HullSize = self.GetComponent<Collision>().Size;
int survivors = 1;
int zombies = 1;
var it = new NearbyEntityEnumerator(self.World, ent.LastPos, MobRadius);
while (it.MoveNext()) {
var cur = it.Current;
if (cur == self || cur == ent.Entity) continue;
if (!cur.HasComponent<Human>() || !cur.HasComponent<Health>()) continue;
if (!cur.GetComponent<Health>().IsAlive) continue;
trace.Target = cur.Position2D;
if (trace.GetResult().Hit) continue;
if (cur.HasComponent<Survivor>()) {
survivors += cur.GetComponent<Health>().Value;
} else {
zombies += cur.GetComponent<Health>().Value;
}
}
return zombies <= MaxMobRatio * survivors;
}
public Mobbing(EntityBeliefs target)
{
Target = target;
}
public override IEnumerable<Action> GetActions()
{
_pendingTiles = _destTiles.Where(x => x.StaticEntities.Count() == 0).ToArray();
if (ShouldAbandon()) {
if (Human.IsHoldingItem) {
yield return new DropItemAction(1f);
}
yield break;
}
if (!Human.IsHoldingItem) {
_destTile = null;
if (_destResource != null && (_destResource.Entity.Position2D != _destResource.LastPos || !_destResource.Entity.IsValid)) {
_destResource = null;
}
if (_destResource == null) {
_destResource = _blockBeliefs.Entities
.Union(Beliefs.Entities)
.Where(x => x.Type == EntityType.PlankSource || x.Type == EntityType.PlankPile)
.Where(x => World.GetTile(x.LastPos).IsInterior)
.OrderBy(x => World.Difference(x.LastPos, Entity.Position2D).LengthSquared)
.FirstOrDefault();
if (_destResource == null) {
_noResources = true;
yield break;
} else {
if (_nav != null) {
_nav.Dispose();
}
_nav = new RouteNavigator(Entity, _destResource.LastPos +
World.Difference(_destResource.LastPos, Entity.Position2D).Normalized() * 1.4f);
}
}
var diff = World.Difference(Entity.Position2D, _destResource.LastPos);
if (_nav.HasEnded) {
yield return new MovementAction(diff.Normalized() * 2f);
} else if (_nav.HasDirection) {
yield return new MovementAction(_nav.GetDirection() * 2f);
}
if (diff.LengthSquared < 2f) {
if (_destResource.Type == EntityType.PlankSource) {
yield return new AttackAction(_destResource.Entity);
} else if (_destResource.Entity.GetComponent<Item>().CanPickup(Entity)) {
yield return new PickupItemAction(_destResource.Entity, 2f);
}
}
} else {
_destResource = null;
if (_destTile != null && !_pendingTiles.Contains(_destTile)) {
_destTile = null;
}
if (_destTile == null) {
_destTile = _pendingTiles
.OrderBy(x => World.Difference(Entity.Position2D, x.Position).LengthSquared)
.FirstOrDefault();
if (_nav != null) {
_nav.Dispose();
}
_nav = new RouteNavigator(Entity, _destTile.Position);
}
if (_destTile != null) {
var diff = World.Difference(Entity.Position2D, _destTile.Position);
if (_nav.HasDirection) {
yield return new MovementAction(_nav.GetDirection() * 2f);
}
if (diff.LengthSquared < 0.25f) {
yield return new DropItemAction(2f);
}
}
}
}
public Mobbing(Desires.Mobbing desire, Beliefs beliefs)
: base(desire, beliefs)
{
Target = desire.Target;
}
