/// <summary>
/// Try to attack one of the players in the list passed in.
/// </summary>
public void TryToAttackPlayers(Shark s, List<Penguin> players)
{
if (s.CurrState != Actor.state.Moving)
return;
float minDist = 10000.0f;
float currDist = 0.0f;
Vector2 nearestPosition = Vector2.Zero;
Vector2 distance = Vector2.Zero;
Vector2 vecTowardNearest = Vector2.Zero;
float chumDist = 10000.0f;
foreach (Penguin p in players)
{
if (!p.IsAlive)
continue;
if (p.PowerupState == powerupstate.SharkRepellent)
continue;
distance.X = p.Position.X - s.Position.X;
distance.Y = p.Position.Y - s.Position.Y;
currDist = distance.Length();
// make chum have priority
if (p.PowerupState == powerupstate.Chum)
{
if (currDist < chumDist)
{
chumDist = currDist;
nearestPosition = p.Position;
vecTowardNearest = distance;
continue;
}
}
if (currDist < minDist)
{
minDist = currDist;
nearestPosition = p.Position;
vecTowardNearest = distance;
}
}
// LOL GO AFTER NO MATTER WHAT
if (chumDist <= SHARK_ATTACK_THRESHOLD && s.CurrState != Actor.state.Dashing
&& s.CurrState != Actor.state.Dash)
{
s.acceleration = vecTowardNearest;
((Shark)s).attack();
return;
}
// try to aggress toward the nearest player
if (minDist <= SHARK_ATTACK_THRESHOLD
&& s.CurrState != Actor.state.Dashing
&& s.CurrState != Actor.state.Dash && chumDist >= 10000.0f)
{
s.acceleration = vecTowardNearest;
((Shark)s).attack();
}
}
/// <summary>
/// Sets the nearest threatening actors for this fish
/// among the provided actors.
/// </summary>
public void SetNearestThreats(List<Penguin> players, List<Shark> sharks)
{
// dead finish don't need threats
if (CurrState == state.Dying || !this.IsAlive)
return;
float distBetween = 0.0f;
float distToNearestP = 5000.0f;
float distToNearestS = 5000.0f;
Penguin nearestP = null;
Shark nearestS = null;
foreach (Penguin p in players)
{
if (!p.IsAlive || p.CurrState == state.Dying)
continue;
distBetween = Actor.DistanceBetween(this, p);
if (distBetween < distToNearestP)
{
distToNearestP = distBetween;
nearestP = p;
}
}
foreach (Shark s in sharks)
{
if (!s.IsAlive || s.CurrState == state.Dying)
continue;
distBetween = Actor.DistanceBetween(this, s);
if (distBetween < distToNearestS)
{
distToNearestS = distBetween;
nearestS = s;
}
}
if (nearestP != null)
this.nearestPlayer = nearestP;
if (nearestS != null)
this.nearestShark = nearestS;
}