/// <summary>
/// Returns a double that measures the usefulness of a lob pass to passTarget
/// </summary>
private double EvaluatorPassLob(Footballer passTarget)
{
double evaluation = 0;
Vector2d passVector = passTarget.PositionDouble - _owner.PositionDouble;
// add bonus for long passes (0,1)
evaluation += passVector.Length() / Constants.ActualXMax;
// add bonus for going in the direction of enemy goal (0,1)
Vector2d goalPosition = Constants.Uprights[0]; //upper-left post
if (!_owner.Team.AttackingLeft)
{
goalPosition = Constants.Uprights[2]; //upper-right post
}
double angle = passVector.AngleBetween(goalPosition - _owner.PositionDouble);
angle = Math.Abs(angle - Math.PI);
evaluation += (angle / Math.PI);
// add large bonus if target is alone.
InfluenceMap enemyMap = _owner.EnemyTeam.TeamInfluenceMap;
double interdiction = enemyMap.SumInArea(passTarget.PositionOnInfMap(), (UInt16)(passVector.Length() / (0.1 * Constants.ActualXMax) + 1));
if (interdiction < 1)
{
evaluation += 3;
}
return(evaluation);
}
/// <summary>
/// Returns a double that measures the usefulness of a ground pass to passTarget
/// </summary>
private double EvaluatorPassGround(Footballer passTarget)
{
double evaluation = 0;
Vector2d passVector = passTarget.PositionDouble - _owner.PositionDouble;
// add bonus for short passes (1,e)
evaluation += Math.Pow(Math.E, (1 - passVector.Length() / Constants.ActualXMax));
// add bonus for going in the direction of enemy goal (0,1)
Vector2d goalPosition = Constants.Uprights[0]; //upper-left post
if (!_owner.Team.AttackingLeft)
{
goalPosition = Constants.Uprights[2]; //upper-right post
}
double angle = passVector.AngleBetween(goalPosition - _owner.PositionDouble);
angle = Math.Abs(angle - Math.PI);
evaluation += (angle / Math.PI);
// add large bonus if lane of passing is empty (0 or 3).
List <Coords> lane = _owner.InhabitedMap.RayTracer(_owner.PositionOnInfMap(), passTarget.PositionOnInfMap());
InfluenceMap enemyMap = _owner.EnemyTeam.TeamInfluenceMap;
double interdiction = 0;
for (int i = 0; i < lane.Count; ++i)
{
// these should be weighted somehow
double toAdd = enemyMap.GetMapValue(lane[i]);
if (toAdd > 0.5)
{
evaluation += toAdd;
}
}
if (interdiction == 0)
{
evaluation += 3;
}
// there should be a bonus for players making runs
return(evaluation);
}