public Migration(Desires.Migration desire, Beliefs beliefs)
: base(desire, beliefs)
{
_destBlock = desire.Destination;
var size = new Vector2(_destBlock.Width, _destBlock.Height);
int tries = 16;
do {
_destPos = new Vector2(_destBlock.X, _destBlock.Y) + Vector2.Multiply(size, new Vector2(
Tools.Random.NextSingle(0.4f, 0.6f),
Tools.Random.NextSingle(0.4f, 0.6f)));
_destPos.X = (float) Math.Round(_destPos.X - 0.5f) + 0.5f;
_destPos.Y = (float) Math.Round(_destPos.Y - 0.5f) + 0.5f;
} while (--tries > 0 && !Beliefs.Entity.World.IsPositionNavigable(_destPos));
if (tries <= 0) {
_destPos = _destBlock.GetNearestPosition(Entity.Position2D);
_destPos += (_destBlock.Center - _destPos).Normalized() * 2f;
}
_nav = new RouteNavigator(Entity, _destPos);
}
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 PlayerMovementCommand(Desires.PlayerMovementCommand desire, Beliefs beliefs)
: base(desire, beliefs)
{
_nav = new RouteNavigator(Entity, desire.Destination);
}