private void ResolveMoves()
{
IList <Latch> requests = _latches.Where(x => x.State == LatchState.RequestActivation).ToList();
while (requests.Any())
{
foreach (Latch latchRequest in requests)
{
Fish eater = latchRequest.Eater;
Food target = latchRequest.Target;
Latch counterRequest = (target is Fish) ? ExistingLatch((Fish)target, eater) : null;
if (counterRequest == null)
{
// unopposed request
latchRequest.State = LatchState.Activated;
}
else if (eater.Val > 0 && target.Val > 0)
{
DoBattleAndActivateWinner(latchRequest, counterRequest);
}
else
{
latchRequest.State = LatchState.ToRemove;
}
}
requests = _latches.Where(x => x.State == LatchState.RequestActivation).ToList();
}
}
private void AddLatch(Fish eater, Food target, int val)
{
if (_latches.Any(x => x.Eater == eater && x.Target == target))
{
throw new ApplicationException("Latch already exists in some state");
}
var newLatch = new Latch(eater, target, val);
_latches.Add(newLatch);
newLatch.Eater.NotifyLatch(newLatch);
}
private void DoBattleAndActivateWinner(Latch latchRequest, Latch counterRequest)
{
Random rnd = new Random();
float rollOne = rnd.Next(0, latchRequest.Eater.Val) - rnd.Next(0, latchRequest.Val);
float rollTwo = rnd.Next(0, counterRequest.Eater.Val) - rnd.Next(0, counterRequest.Val);
if (rollOne > rollTwo)
{
latchRequest.State = LatchState.Activated;
counterRequest.State = LatchState.ToRemove;
}
else
{
latchRequest.State = LatchState.ToRemove;
counterRequest.State = LatchState.Activated;
}
}
public Move GetMove()
{
IList <Latch> deadLatches = _latchesIOwn.Where(x => x.State == LatchState.ToRemove).ToList();
foreach (Latch latch in deadLatches)
{
_latchesIOwn.Remove(latch);
}
var move = new Move();
move.MoveTowards = default(Vector2);
IList <Latch> eatable = new List <Latch>(_latchesIOwn.Where(x => x.State == LatchState.Dormant || x.State == LatchState.Activated));
if (eatable.Any())
{
Latch chosen = eatable.Any(x => this.DistanceToFood(x.Target) < 50) ? // switch target if food is close
eatable.OrderBy(x => this.DistanceToFoodSquared(x.Target)).First() :
eatable.OrderByDescending(x => x.Target.Val).First();
if (chosen.State != LatchState.Activated)
{
move.Eat = chosen;
}
move.MoveTowards = chosen.Target.Pos;
}
if (!_latchesIOwn.Any(x => x.State == LatchState.Activated))
{
var fishNearMe = _fishBowl.FoodNearMe(this);
if (fishNearMe.Count > 0)
{
int which = new Random().Next(fishNearMe.Count);
Food target = fishNearMe[which];
if (!_latchesIOwn.Any(x => x.Target == target) && target != this)
{
move.Latch = new Tuple <Food, int>(target, target.Val);
}
move.MoveTowards = target.Pos;
}
}
return(move);
}
public void NotifyLatch(Latch latch)
{
_latchesIOwn.Add(latch);
}
