/// <summary>Harvests resource</summary>
private bool Harvest(Beaver b, string resource)
{
// Don't bother harvesting if it can't hold anymore stuff
if (b.Branches + b.Food >= b.Job.CarryLimit)
{
return(false);
}
bool keepGoing = false;
// Function for finding movement targets
Func <Tile, bool> isTarget = t => t.Spawner != null && t.Spawner.Type == resource && !t.Spawner.HasBeenHarvested && t.Spawner.Health > 3;
// 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);
}
return(this.IsNextTo(t, isTarget) ? 0 : 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 harvest if next to the target spawner
Tile target = this.GetNeighborWhere(b.Tile, isTarget);
if (target != null && b.Actions > 0)
{
if (AI.Verbose)
{
Console.WriteLine("Harvesting resource");
}
b.Harvest(target.Spawner);
keepGoing = true;
}
return(keepGoing);
}
public static void Harvest(Beaver harvester, IEnumerable <Spawner> targets)
{
if (!harvester.CanAct() || harvester.OpenCarryCapacity() == 0)
{
return;
}
var targettables = targets.Where(t => t.Health > 0);
var target = targettables.FirstOrDefault(t => harvester.Tile._HasNeighbor(t.Tile));
if (target != null)
{
while (harvester.CanAct() && target.Health > 0)
{
harvester.Harvest(target);
}
}
}