public static IEnumerable <FlowBuilding> SolidPointLeaks(this FlowBuilding building, Vector2 offset, Searchspace space)
{
var forward = space.CalculateCollisions(building.Position + building.Rotation.ToVector()).ToList();
var belts = forward.OfType <Belt>();
var splitters = forward.OfType <Splitter>();
var ground = forward.OfType <GroundToUnderground>().Where((g) => g.FlowDepth != Depth.Fluid);
var filteredBelts = belts.Where((b) => b.Item.Item != building.Item.Item);
var filteredSplitters = splitters.Where((s) => s.Item.Item != building.Item.Item && s.Rotation == building.Rotation);
var filteredGround = ground.Where((g) => !g.IsUpward && g.Rotation == building.Rotation.Invert() && g.Item.Item != building.Item.Item);
return(filteredBelts.Cast <FlowBuilding>()
.Concat(filteredSplitters)
.Concat(filteredGround));
}
public void SearchstateCollisions()
{
var state = new Searchspace(new Vector2(4, 4));
var item = new Item("test");
var building = new Building("test");
building.Size = 2 * Vector2.One;
var flow = new FlowBuilding(new ItemAmount(item, 1), building, Vector2.One, BuildingRotation.North);
var newState = state.AddRoute(flow);
Assert.AreEqual(0, state.CalculateCollisions(Vector2.One).Count());
Assert.AreEqual(1, newState.CalculateCollisions(Vector2.One).Count());
Assert.AreEqual(0, newState.CalculateCollisions(Vector2.Zero).Count());
Assert.AreEqual(1, newState.CalculateCollisions(Vector2.One, 2 * Vector2.One).Count());
}
public double CalculateCost(Searchspace space, SolutionGrader grader)
{
var cost = base.CalculateCost(space, grader);
var pipeBuilding = Building;
BuildingRotation[] rotations = new BuildingRotation[] { BuildingRotation.North, BuildingRotation.East, BuildingRotation.South, BuildingRotation.West };
foreach (var rotation in rotations)
{
var neighbors = space.CalculateCollisions(Position + rotation.ToVector());
var misMatch = neighbors.Where((b) => b.Building == pipeBuilding && b is FlowBuilding).Cast <FlowBuilding>()
.Where((f) => f.Item.Item != Item.Item);
cost += misMatch.Count() * grader.TouchLeakCost;
}
return(cost);
}