public PossessionGraph(TeamFormationAttributes teamFormationAttributes, bool isHome, bool isDefendingZero)
{
TeamFormationAttributes = teamFormationAttributes;
EdgeIndices = new Dictionary <T, IList <Edge <T> > >();
Random = new Random((int)DateTime.Now.Ticks);
IsHome = isHome;
IsDefendingZero = isDefendingZero;
Team = IsHome ? TeamFormationAttributes.HomeTeamPlayers.Cast <T>().ToList() : TeamFormationAttributes.AwayTeamPlayers.Cast <T>().ToList();
Opposition = IsHome ? TeamFormationAttributes.AwayTeamPlayers.Cast <T>().ToList() : TeamFormationAttributes.HomeTeamPlayers.Cast <T>().ToList();
var orderedPlayers = IsDefendingZero ?
Team.OrderBy(p => p.Location.Y).ToList() :
Team.OrderByDescending(p => p.Location.Y).ToList();
orderedPlayers.
Select((p, i) => new { Index = i, Player = p }).
Execute(a => EdgeIndices[a.Player] = orderedPlayers.
Skip(a.Index + 1).
Where(op => IsDefendingZero ? op.Location.Y > a.Player.Location.Y : op.Location.Y < a.Player.Location.Y).
Select(p => new Edge <T>(p, Cost(a.Player, p, TeamFormationAttributes.TeamStrength))).
ToList()
);
if (TeamFormationAttributes.Log != null)
{
LogPossessionGraph(TeamFormationAttributes.Log);
}
}
public int PhaseOfPlay(ref T possessor, out bool isShooting)
{
var option = Int32.MinValue;
var receiver = default(T);
if (EdgeIndices[possessor].Any())
{
var phaseEdge = EdgeIndices[possessor].
Select(e => new Edge <T>(e.Vertex, e.Cost + Random.Next(-500, 500))).
Aggregate((a, b) => a.Cost > b.Cost ? a : b);
receiver = phaseEdge.Vertex;
option = receiver == null ? 0 : (int)(
(
Math.Exp(-Math.Sqrt(IsDefendingZero ? receiver.Location.Y : 1 - receiver.Location.Y)) *
phaseEdge.Cost *
(TeamFormationAttributes.TeamPositionalBalance(IsHome) / TeamFormationAttributes.TeamPositionalBalance(!IsHome)) *
TeamFormationAttributes.TeamAttackingShape(IsHome)
) /
TeamFormationAttributes.TeamDefendingShape(!IsHome)
);
Passes.WriteLine("\"{0}\",{1},{2},{3},{4},{5},{6},{7}", phaseEdge.Vertex.TeamName, phaseEdge.Cost,
TeamFormationAttributes.TeamPositionalBalance(IsHome),
TeamFormationAttributes.TeamPositionalBalance(!IsHome),
(TeamFormationAttributes.TeamPositionalBalance(IsHome) / TeamFormationAttributes.TeamPositionalBalance(!IsHome)),
TeamFormationAttributes.TeamAttackingShape(IsHome),
TeamFormationAttributes.TeamDefendingShape(!IsHome),
option);
Passes.Flush();
if (TeamFormationAttributes.Log != null)
{
TeamFormationAttributes.Log(string.Format("{0} has option to pass to {1} with success {2}", possessor.LastName, receiver.LastName, option));
}
}
var shootOption = (int)((1 + Random.NextDouble()) * possessor.Rating /
(
Math.Pow(possessor.Location.Distance(new Coordinate {
X = 0.5, Y = IsDefendingZero ? 1 : 0
}), 2) *
TeamFormationAttributes.TeamStrength(!IsHome, possessor.Location) *
TeamFormationAttributes.TeamDefendingShape(!IsHome)
)
);
shootOption = (int)((shootOption * 5d + 1500d) * Random.NextDouble());
shootOption -= CheckOffside(possessor.Location.Y, TeamFormationAttributes.TeamOffsideLine(!IsHome));
if (TeamFormationAttributes.Log != null)
{
TeamFormationAttributes.Log(string.Format("{0} has option to shoot with success {1}", possessor.LastName, shootOption));
}
if (shootOption > option)
{
Shots.WriteLine("\"{0}\",{1},{2},{3},{4},{5}", possessor.TeamName, possessor.Rating,
Math.Pow(possessor.Location.Distance(new Coordinate {
X = 0.5, Y = IsDefendingZero ? 1 : 0
}), 2),
TeamFormationAttributes.TeamStrength(!IsHome, possessor.Location), TeamFormationAttributes.TeamDefendingShape(!IsHome), shootOption);
Shots.Flush();
isShooting = true;
option = shootOption;
}
else
{
isShooting = false;
possessor = receiver;
}
return(option);
}
