private Ranking[] GetMatchResult( User current, User user, BattleResult result )
{
Ranking one = new Ranking();
one.EloRanking = current.EloRanking;
Ranking two = new Ranking();
two.EloRanking = user.EloRanking;
Ranking.Update(one, two, result);
return new Ranking[] { one, two };
}
protected void Calculate( object sender, EventArgs args )
{
try{
BattleResult result = GetResult();
Ranking one = new Ranking();
one.EloRanking = int.Parse( rank1.Text );
Ranking two = new Ranking();
two.EloRanking = int.Parse( rank2.Text );
Ranking.Update(one, two, result);
rank1Label.Text = one.EloRanking.ToString();
rank2Label.Text = two.EloRanking.ToString();
} catch( Exception ex) {
userRank.Text ="Error <!-- " + ex.ToString() + "-->";
}
}
public static int FinalScore( Ranking rank, double real, double expected, double distance )
{
if( distance < 0 ) {
distance *= -1;
distance += 1;
} else {
distance = 1;
}
double dif = expected - real;
//Chronos.Utils.Log.log("*{3}* Dif: {0}={1} - {2}", dif, expected, real, rank.EloRanking );
double withMod = rank.EloRankingModifier * distance * dif;
//Chronos.Utils.Log.log("*{3}* withMod: {0}={1} - {2}", withMod, rank.EloRankingModifier, dif, rank.EloRanking );
return (int) Math.Round(rank.EloRanking + withMod);
}
public static void Update( Ranking one, Ranking two, BattleResult result )
{
double expectedOne = 0.5;
double expectedTwo = 0.5;
if( result != BattleResult.Draw ) {
expectedOne = (result == BattleResult.NumberOneVictory) ? 1 : 0;
expectedTwo = (result == BattleResult.NumberTwoVictory) ? 1 : 0;
}
double realOne = RealScore(one, two);
double realTwo = RealScore(two, one);
double oneDistance = (one.EloRanking - two.EloRanking) / 200 * expectedOne;
double twoDistance = (two.EloRanking - one.EloRanking) / 200 * expectedTwo;
one.EloRanking = FinalScore(one, realOne, expectedOne, oneDistance);
two.EloRanking = FinalScore(two, realTwo, expectedTwo, twoDistance);
}
public static void Update( AllianceInfo one, AllianceInfo two, BattleResult result )
{
Ranking r1 = new Ranking();
r1.EloRanking = one.Ranking;
Ranking r2 = new Ranking();
r2.EloRanking = two.Ranking;
Update( r1, r2, result );
one.Ranking = r1.EloRanking;
two.Ranking = r2.EloRanking;
}
public static double RealScore( Ranking asker, Ranking other )
{
int exp = (int)Math.Round((other.EloRanking - asker.EloRanking) / 400.0);
double factor = 1 + System.Math.Pow(10, exp);
factor = 1.0 / factor;
return factor;
}