//Auto-generate a possible payment we can use to pay for the provided cost
public Mana GetPaymentForManaCost(ManaCost manaCost)
{
Debug.Assert(CanPayManaCost(manaCost));
Mana manaFinalCost = manaCost.pManaCost.Get();
//Initially cover the mandatory portions
Mana manaPayment = new Mana(manaFinalCost[0], manaFinalCost[1], manaFinalCost[2], manaFinalCost[3]);
//Now we just have to cover the effort portion
if (manaUsableToPay[Mana.MANATYPE.EFFORT] >= manaFinalCost[Mana.MANATYPE.EFFORT])
{
//If we have enough raw effort mana, just use that directly and return
manaPayment[Mana.MANATYPE.EFFORT] = manaFinalCost[Mana.MANATYPE.EFFORT];
return(manaPayment);
}
//Dump all the raw effort mana we have into the payment (up to the amount of the full cost)
manaPayment[Mana.MANATYPE.EFFORT] = Mathf.Min(manaUsableToPay[Mana.MANATYPE.EFFORT], manaFinalCost[Mana.MANATYPE.EFFORT]);
int nEffortLeftToPay = manaFinalCost[Mana.MANATYPE.EFFORT] - manaPayment[Mana.MANATYPE.EFFORT];
//Now generate a Mana struct representing the mana we have that we haven't yet used in our payment
Mana manaUsableForEffort = Mana.SubMana(manaUsableToPay, manaPayment);
//Repeatedly select a random owned mana and add it to the payment
for (; nEffortLeftToPay > 0; nEffortLeftToPay--)
{
int nRandomManaType = Random.Range(0, (int)Mana.MANATYPE.EFFORT);
for (int i = 0; i < (int)Mana.MANATYPE.EFFORT; i++)
{
//Cycle through the types of mana until we find one that we still have a supply of
int nManaTypeIndex = (nRandomManaType + i) % (int)Mana.MANATYPE.EFFORT;
if (manaUsableForEffort[nManaTypeIndex] > 0)
{
//We have at least 1 of this mana to use for paying effort
manaUsableForEffort[nManaTypeIndex]--;
break;
}
}
}
if (manaCost.CanBePaidWith(manaPayment) == false)
{
Debug.LogError("Generated " + manaPayment + " but it can't pay for " + manaCost);
}
return(manaPayment);
}
public static FnValidSelection COVERSCOST(ManaCost manaCostRequired)
{
return((object manaPaid, InputSkillSelection selections) => (manaCostRequired.CanBePaidWith((Mana)manaPaid)));
}
public void PayManaPaymentForCost(Mana manaPaid, ManaCost manaCost)
{
Debug.Assert(manaCost.CanBePaidWith(manaPaid));
manaOwned.ChangeMana(Mana.GetNegatedMana(manaPaid));
}
//Quickly check if we have enough mana to pay the provided cost
public bool CanPayManaCost(ManaCost manaCost)
{
//Just treat our entire mana pool as a Mana payment and see if it could cover the cost
return(manaCost.CanBePaidWith(manaUsableToPay));
}