public void UpdateState(Map gameMap)
{
// pick the nearest enemy and shoot
if (gameMap.Enemies.Count == 0)
{
return;
}
float minDist = float.MaxValue;
IHasHp nearestEnemy = null;
foreach (IEnemy enemy in gameMap.Enemies)
{
float dist = (Position - enemy.Position).LengthSquared();
if (minDist == float.MaxValue || dist < minDist)
{
nearestEnemy = enemy;
minDist = dist;
}
}
Attack(nearestEnemy);
long now = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond;
if (shooting && now > stopShootingAnimation)
{
shooting = false;
Shot = null;
}
}
/// <summary>
/// Checks if it's time for attack and attacks the given entity.
/// </summary>
/// <param name="entity">Entity to attack.</param>
private void Attack(IHasHp entity)
{
if (NextAttack == NO_ATTACK)
{
entity.TakeHit(Damage);
NextAttack = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond + (long)(1000 / AttackSpeed);
shooting = true;
stopShootingAnimation = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond + 250;
Shot = new Point[]
{
Position.ToPoint() + ShootingPoint,
entity.Position.ToPoint() + entity.Center
};
}
else
{
long now = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond;
if (now >= NextAttack)
{
entity.TakeHit(Damage);
NextAttack = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond + (long)(1000 / AttackSpeed);
shooting = true;
stopShootingAnimation = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond + 250;
Shot = new Point[]
{
Position.ToPoint() + ShootingPoint,
entity.Position.ToPoint() + entity.Center
};
}
}
}
/// <summary>
/// Checks if it's time for attack and attacks the given entity.
/// </summary>
/// <param name="entity">Entity to attack.</param>
private void Attack(IHasHp entity)
{
if (NextAttack == NO_ATTACK)
{
entity.TakeHit(Damage);
NextAttack = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond + (long)(1000 / AttackSpeed);
}
else
{
long now = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond;
if (now >= NextAttack)
{
entity.TakeHit(Damage);
NextAttack = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond + (long)(1000 / AttackSpeed);
}
}
}
