public static ulong ItemLevelToTotalXP(int itemLevel, ulong baseXP, int maxLevel, ItemXpStyle xpScheme)
{
if (itemLevel < 1)
{
return(0);
}
if (itemLevel > maxLevel)
{
itemLevel = maxLevel;
}
if (itemLevel == 1)
{
return(baseXP);
}
switch (xpScheme)
{
case ItemXpStyle.Fixed:
return((ulong)itemLevel * baseXP);
case ItemXpStyle.ScalesWithLevel:
default:
var levelXP = baseXP;
var totalXP = baseXP;
for (var i = itemLevel - 1; i > 0; i--)
{
levelXP *= 2;
totalXP += levelXP;
}
return(totalXP);
case ItemXpStyle.FixedPlusBase:
return((ulong)itemLevel * baseXP + baseXP);
}
}
public static int ItemTotalXPToLevel(ulong gainedXP, ulong baseXP, int maxLevel, ItemXpStyle xpScheme)
{
var level = 0;
switch (xpScheme)
{
case ItemXpStyle.Fixed:
level = (int)Math.Floor((double)gainedXP / baseXP);
break;
case ItemXpStyle.ScalesWithLevel:
var levelXP = baseXP;
var remainXP = gainedXP;
while (remainXP >= levelXP)
{
level++;
remainXP -= levelXP;
levelXP *= 2;
}
break;
case ItemXpStyle.FixedPlusBase:
if (gainedXP >= baseXP && gainedXP < baseXP * 3)
{
level = 1;
}
else
{
level = (int)Math.Floor((double)(gainedXP - baseXP) / baseXP);
}
break;
}
if (level > maxLevel)
{
level = maxLevel;
}
return(level);
}