public static void Pickup(Beaver picker, IEnumerable <Tile> targets, string resource)
{
if (!picker.CanAct() || picker.OpenCarryCapacity() == 0)
{
return;
}
var targettables = targets.Where(t => t.GetCount(resource) > 0 && picker.Tile._HasNeighbor(t));
if (targettables.Any())
{
var target = targettables.MaxByValue(t => t.GetCount(resource));
picker.Pickup(target, resource, Math.Min(target.GetCount(resource), picker.OpenCarryCapacity()));
}
}
/// <summary>Picks up resource from owned lodges</summary>
private bool Pickup(Beaver b, string resource)
{
if (b.Branches + b.Food >= b.Job.CarryLimit)
{
return(false);
}
bool keepGoing = false;
// Go to nearest lodge with the given resource
Func <Tile, bool> isTarget = t => t.LodgeOwner == this.Player && resource == "branches" ? t.Branches > 0 : t.Food > 0;
// Find nearest resource, skipping current node
IEnumerable <Tile> basePath = this.FindPathCustom(b.Tile,
(t, parent) => {
double cost = this.GetCost(t, parent, b);
if (cost < 0)
{
return(cost);
}
if (this.IsNextTo(t, isTarget))
{
return(0);
}
return(cost);
})
.Skip(1);
// Traverse path
LinkedList <Tile> path = new LinkedList <Tile>(basePath);
while (path.Any())
{
// If can't move anymore
if (b.Moves < b.MoveCost(path.First()) || !b.Move(path.First()))
{
break;
}
path.RemoveFirst();
keepGoing = true;
}
// Try to pick up resources if next to the target lodge
Tile target = this.GetNeighborWhere(b.Tile, isTarget);
if (target != null && b.Actions > 0)
{
int amount = resource == "food" ? target.Food : target.Branches;
if (target.LodgeOwner == this.Player)
{
amount--;
}
amount = Math.Min(amount, b.Job.CarryLimit - b.Branches - b.Food);
if (amount > 0)
{
if (AI.Verbose)
{
Console.WriteLine("Picking up resource");
}
b.Pickup(target, resource, amount);
keepGoing = true;
}
}
return(keepGoing);
}
