public static PredictionOutput GetLinePrediction(PredictionInput input)
{
var mainTargetPrediction = Prediction.Instance.GetPrediction(input, false, true);
var posibleTargets = new List <PossibleTarget>
{
new PossibleTarget {
Position = (Vector2)mainTargetPrediction.UnitPosition, Unit = input.Unit
}
};
if (mainTargetPrediction.HitChance >= HitChance.Medium)
{
posibleTargets.AddRange(AoePrediction.GetPossibleTargets(input));
}
if (posibleTargets.Count <= 1)
{
return(mainTargetPrediction);
}
var candidates = new List <Vector2>();
foreach (var targetCandidates in posibleTargets.Select(
target => GetCandidates((Vector2)input.From, target.Position, input.Radius, input.Range)))
{
candidates.AddRange(targetCandidates);
}
var bestCandidateHits = -1;
var bestCandidate = default(Vector2);
var bestCandidateHitPoints = new List <Vector2>();
var positionsList = posibleTargets.Select(t => t.Position).ToList();
foreach (var candidate in candidates)
{
if (GetHits(
(Vector2)input.From,
candidate,
input.Radius + input.Unit.BoundingRadius / 3 - 10,
new List <Vector2> {
posibleTargets[0].Position
}).Count() != 1)
{
continue;
}
var hits = GetHits((Vector2)input.From, candidate, input.Radius, positionsList).ToList();
var hitsCount = hits.Count;
if (hitsCount < bestCandidateHits)
{
continue;
}
bestCandidateHits = hitsCount;
bestCandidate = candidate;
bestCandidateHitPoints = hits.ToList();
}
if (bestCandidateHits <= 1)
{
return(mainTargetPrediction);
}
float maxDistance = -1;
Vector2 p1 = default(Vector2), p2 = default(Vector2);
for (var i = 0; i < bestCandidateHitPoints.Count; i++)
{
for (var j = 0; j < bestCandidateHitPoints.Count; j++)
{
var startP = (Vector2)input.From;
var endP = bestCandidate;
var proj1 = positionsList[i].ProjectOn(startP, endP);
var proj2 = positionsList[j].ProjectOn(startP, endP);
var dist = bestCandidateHitPoints[i].DistanceSquared(proj1.LinePoint)
+ bestCandidateHitPoints[j].DistanceSquared(proj2.LinePoint);
if (!(dist >= maxDistance) ||
!((proj1.LinePoint - positionsList[i]).AngleBetween(proj2.LinePoint - positionsList[j])
> 90))
{
continue;
}
maxDistance = dist;
p1 = positionsList[i];
p2 = positionsList[j];
}
}
return(new PredictionOutput
{
HitChance = mainTargetPrediction.HitChance,
AoeHitCount = bestCandidateHits,
UnitPosition = mainTargetPrediction.UnitPosition,
CastPosition = (Vector3)((p1 + p2) * 0.5f),
Input = input
});
}
public static PredictionOutput GetConePrediction(PredictionInput input)
{
var mainTargetPrediction = Prediction.Instance.GetPrediction(input, false, true);
var posibleTargets = new List <PossibleTarget>
{
new PossibleTarget {
Position = (Vector2)mainTargetPrediction.UnitPosition, Unit = input.Unit
}
};
if (mainTargetPrediction.HitChance >= HitChance.Medium)
{
posibleTargets.AddRange(AoePrediction.GetPossibleTargets(input));
}
if (posibleTargets.Count <= 1)
{
return(mainTargetPrediction);
}
var candidates = new List <Vector2>();
foreach (var target in posibleTargets)
{
target.Position = target.Position - (Vector2)input.From;
}
for (var i = 0; i < posibleTargets.Count; i++)
{
for (var j = 0; j < posibleTargets.Count; j++)
{
if (i == j)
{
continue;
}
var p = (posibleTargets[i].Position + posibleTargets[j].Position) * 0.5f;
if (!candidates.Contains(p))
{
candidates.Add(p);
}
}
}
var bestCandidateHits = -1;
var bestCandidate = default(Vector2);
var positionsList = posibleTargets.Select(t => t.Position).ToList();
foreach (var candidate in candidates)
{
var hits = GetHits(candidate, input.Range, input.Radius, positionsList);
if (hits <= bestCandidateHits)
{
continue;
}
bestCandidate = candidate;
bestCandidateHits = hits;
}
if (bestCandidateHits > 1 && input.From.DistanceSquared(bestCandidate) > 50 * 50)
{
return(new PredictionOutput
{
HitChance = mainTargetPrediction.HitChance,
AoeHitCount = bestCandidateHits,
UnitPosition = mainTargetPrediction.UnitPosition,
CastPosition = (Vector3)bestCandidate,
Input = input
});
}
return(mainTargetPrediction);
}