IWalker GetNewTarget(IZombiePlayer player, List <IWalker> humans)
{
if (ThinkOutLoud)
{
Console.WriteLine("Choosing new target. Humans are:");
}
foreach (IWalker h in humans)
{
if (ThinkOutLoud)
{
Console.WriteLine(" - {0}", h);
}
}
IWalker closest = null;
foreach (IWalker h in humans)
{
if (closest == null || player.DistanceFrom(h) < player.DistanceFrom(closest))
{
closest = h;
}
}
if (ThinkOutLoud)
{
Console.WriteLine("Chosen: {0}", closest);
}
return(closest);
}
private void Chase(IZombiePlayer player)
{
double angle = player.AngleTo(target);
if (Math.Abs(angle) < 25.0)
{
double dist = player.DistanceFrom(target);
if (dist < 7.0)
{
if (ThinkOutLoud)
{
Console.WriteLine("Going forward {0} units, hopefully this will get me close enough to bite {1}", dist, target);
}
player.GoForward(dist);
}
else
{
if (ThinkOutLoud)
{
Console.WriteLine("Going forward {0} units (aiming for {1}), then I'll reevaluate my strategy.", dist, target);
}
player.GoForward(dist / 4);
}
}
else
{
if (ThinkOutLoud)
{
Console.WriteLine("Turning {0} degrees to face {1}", angle, target);
}
player.Turn(angle);
}
}
public void Collision(IZombiePlayer player, ITakeSpace other)
{
double angle = player.AngleAvoiding(other);
if (Math.Abs(angle) < 0.05)
{
// Turn directly the other way, and move off.
angle = player.AngleAwayFrom(other);
}
if (ThinkOutLoud)
{
Console.WriteLine("Collided with {0}! Turning {1} degrees to avoid.", other, angle);
}
player.Turn(angle);
collided = true;
}
public void Collision(IZombiePlayer player, Edge edge)
{
Console.WriteLine("I hit the {0} edge of the map", edge);
collided = true;
double angle = 0;
switch (edge)
{
case Edge.Top:
angle = player.AngleToHeading(180);
break;
case Edge.Bottom:
angle = player.AngleToHeading(0);
break;
case Edge.Left:
angle = player.AngleToHeading(90);
break;
case Edge.Right:
angle = player.AngleToHeading(270);
break;
case Edge.TopAndLeft:
angle = player.AngleToHeading(90 + 45);
break;
case Edge.TopAndRight:
angle = player.AngleToHeading(180 + 45);
break;
case Edge.BottomAndLeft:
angle = player.AngleToHeading(45);
break;
case Edge.BottomAndRight:
angle = player.AngleToHeading(270 + 45);
break;
}
Console.WriteLine("I'll turn {0} degrees to get away from this edge.", angle);
player.Turn(angle);
}
public void DoSomething(IZombiePlayer player, List <IWalker> zombies, List <IWalker> humans, List <ITakeSpace> obstacles, List <ResupplyPoint> resupply)
{
if (humans.Count == 0)
{
if (ThinkOutLoud)
{
Console.WriteLine("Yay, I've caught 'em all! Suck on that, Ash Ketchum.");
}
return; // no humans? Then I have nothing to do.
}
// opportunity knocks but once: if I'm in-range of any humans -- whether they're my target or not -- bite 'em!
foreach (IWalker h in humans)
{
if (!player.IsCloseEnoughToInteractWith(h))
{
continue;
}
if (ThinkOutLoud)
{
Console.WriteLine("Opportunity knocks! Biting {0}", h);
}
player.Bite(h);
return;
}
bool targetStillExists = false;
if (target != null)
{
foreach (IWalker h in humans)
{
if (h.Id == target.Id)
{
targetStillExists = true;
break;
}
}
}
if (target == null || !targetStillExists)
{ // find a new target.
target = GetNewTarget(player, humans);
}
// change targets if anyone comes quite close to me.
IWalker possibleNewTarget = GetNewTarget(player, humans);
if (possibleNewTarget != null && possibleNewTarget.Id != target.Id && player.DistanceFrom(possibleNewTarget) < player.DistanceFrom(target) / 2)
{
if (ThinkOutLoud)
{
Console.WriteLine("Switching target from {0} to {1}", target, possibleNewTarget);
}
target = possibleNewTarget;
Chase(player);
return;
}
if (player.Movement == MoveState.Moving)
{
return; // punt! until we stop moving.
}
if (collided)
{
double dist = rand.Next(4, (int)Math.Max(6.0, Math.Min(player.MapWidth, player.MapHeight) / 6));
if (ThinkOutLoud)
{
Console.WriteLine("Recovering from collision; going forward {0} units.", dist);
}
player.GoForward(dist);
collided = false;
return;
}
// now: chase!
Chase(player);
}
