/// <summary>
/// Pick an attack from the list.
/// </summary>
/// <param name="attacks">The list of attacks to choose from.</param>
/// <param name="previousAttack">The last attack that was chosen.</param>
/// <param name="sumFrequency">The sum of all attack frequencies.</param>
/// <returns>The next attack that should be performed.</returns>
public BossAttack GetNextAttack(List <BossAttack> attacks, BossAttack previousAttack = null, float sumFrequency = 0)
{
if (sumFrequency == 0)
{
foreach (BossAttack attack in attacks)
{
sumFrequency += attack.Frequency;
}
}
if (attacks.Count > 1)
{
float roll = Random.Range(0, sumFrequency);
foreach (BossAttack attack in attacks)
{
if (roll < attack.Frequency)
{
if (attack != previousAttack)
{
return(attack);
}
else
{
int index = attacks.IndexOf(attack);
index = PreventDuplicate(index, attacks.Count);
return(attacks[index]);
}
}
roll -= attack.Frequency;
}
return(attacks[attacks.Count - 1]);
}
else if (attacks.Count == 1)
{
return(attacks[0]);
}
return(null);
}
/// <summary>
/// Plan out what and when the next attack will be.
/// </summary>
public void PlanNextAttack()
{
performingAttack = false;
nextAttackCountdown = PickTiming(currentPhase.AttackInterval, currentPhase.AttackIntervalVariance);
nextAttack = GetNextAttack(currentPhase.Attacks, nextAttack, totalFrequency);
}