/// <summary>
/// Sets the player perk at the chosen position
/// </summary>
/// <returns>true if the perk could be assigned, false if the perk tree is full and overwriteExisting is false</returns>
public static bool Set(Player player, Perk perk, PerkPosition position, bool overwriteExisting)
{
if (perk == null || !HasFreeSlot(player) || HasPerk(player, perk))
{
return(false);
}
if (!PerkTable.ContainsKey(player))
{
PerkTable[player] = Tuple.Create <Perk, Perk>(Perk.Empty, Perk.Empty);
}
if (!overwriteExisting)
{
if (position == PerkPosition.Primary && !(PerkTable[player].Item1 is Empty))
{
position = PerkPosition.Secondary;
}
if (position == PerkPosition.Secondary && !(PerkTable[player].Item2 is Empty))
{
if (PerkTable[player].Item1 is Empty)
{
position = PerkPosition.Primary;
}
else
{
return(false);
}
}
}
switch (position)
{
case PerkPosition.Primary:
PerkTable[player] = Tuple.Create <Perk, Perk>(perk, PerkTable[player].Item2);
break;
case PerkPosition.Secondary:
PerkTable[player] = Tuple.Create <Perk, Perk>(PerkTable[player].Item1, perk);
break;
}
return(true);
}
/// <summary>
/// Removes the perk at the given position
/// </summary>
public static void Remove(Player player, PerkPosition position)
{
if (!PerkTable.ContainsKey(player))
{
return;
}
switch (position)
{
case PerkPosition.Primary:
PerkTable[player] = Tuple.Create <Perk, Perk>(Empty, PerkTable[player].Item2);
break;
case PerkPosition.Secondary:
PerkTable[player] = Tuple.Create <Perk, Perk>(PerkTable[player].Item1, Empty);
break;
}
if (PerkTable[player].Item1 is Empty && PerkTable[player].Item2 is Empty)
{
PerkTable.Remove(player);
}
}