Esempio n. 1
0
        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
            });
        }
Esempio n. 2
0
        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);
        }