public int DamageGivenTo(GroupTwo target)
{
if (target.immuneSystem == immuneSystem)
{
return(0);
}
else if (target.immuneTo.Contains(attackType))
{
return(0);
}
else if (target.weakTo.Contains(attackType))
{
return(effectivePower * 2);
}
else
{
return(effectivePower);
}
}
public List <GroupTwo> Parse(string input)
{
var lines = input.Split(new string[] { "\r\n" }, StringSplitOptions.None);
var immuneSystem = false;
var res = new List <GroupTwo>();
foreach (var line in lines)
{
if (line == "Immune System:")
{
immuneSystem = true;
}
else if (line == "Infection:")
{
immuneSystem = false;
}
else if (line != "")
{
//643 units each with 9928 hit points (immune to fire; weak to slashing, bludgeoning) with an attack that does 149 fire damage at initiative 14
var rx = @"(\d+) units each with (\d+) hit points(.*)with an attack that does (\d+)(.*)damage at initiative (\d+)";
var m = Regex.Match(line, rx);
if (m.Success)
{
GroupTwo g = new GroupTwo();
g.immuneSystem = immuneSystem;
g.units = int.Parse(m.Groups[1].Value);
g.hp = int.Parse(m.Groups[2].Value);
g.damage = int.Parse(m.Groups[4].Value);
g.attackType = m.Groups[5].Value.Trim();
g.initiative = int.Parse(m.Groups[6].Value);
var st = m.Groups[3].Value.Trim();
if (st != "")
{
st = st.Substring(1, st.Length - 2);
foreach (var part in st.Split(';'))
{
var k = part.Split(new string[] { " to " }, StringSplitOptions.None);
var set = new HashSet <string>(k[1].Split(new string[] { ", " }, StringSplitOptions.None));
var w = k[0].Trim();
if (w == "immune")
{
g.immuneTo = set;
}
else if (w == "weak")
{
g.weakTo = set;
}
else
{
throw new Exception();
}
}
}
res.Add(g);
}
else
{
throw new Exception();
}
}
}
return(res);
}