/// <summary>
        /// Gets prediction result
        /// </summary>
        /// <param name="target">Target</param>
        /// <param name="width">Vector width</param>
        /// <param name="delay">Spell delay</param>
        /// <param name="vectorSpeed">Vector speed</param>
        /// <param name="range">Spell range</param>
        /// <param name="vectorLenght">Vector lenght</param>
        /// <param name="path">Waypoints of target</param>
        /// <param name="avgt">Average reaction time (in ms)</param>
        /// <param name="movt">Passed time from last movement change (in ms)</param>
        /// <param name="avgp">Average Path Lenght</param>
        /// <param name="rangeCheckFrom"></param>
        /// <returns>Prediction result as <see cref="Prediction.Vector.Result"/></returns>
        public static Result GetPrediction(AIBaseClient target, float width, float delay, float vectorSpeed, float range, float vectorLenght, List <Vector2> path, float avgt, float movt, float avgp, Vector2 rangeCheckFrom)
        {
            Prediction.AssertInitializationMode();

            Result result = new Result();

            //auto aoe hit (2 hits with using one target as from position)
            if (target.Type == GameObjectType.AIHeroClient && target.IsValid)                                                                                                                                                                                                                                                                                                                               //do these calcs if champion kappa
            {
                if (ObjectManager.Player.CountEnemyHeroesInRange(range) > 0 && ObjectManager.Player.CountEnemyHeroesInRange(range + vectorLenght) > 1)                                                                                                                                                                                                                                                      //if there is at least 1 enemy in range && at least 2 enemy which laser can hit
                {
                    Vector2 predPos1 = Prediction.GetFastUnitPosition(target, delay);                                                                                                                                                                                                                                                                                                                       //get target unit position after delay
                    foreach (var enemy in GameObjects.EnemyHeroes)                                                                                                                                                                                                                                                                                                                                          //loop all enemies
                    {
                        if (enemy.NetworkId != target.NetworkId && enemy.Distance(rangeCheckFrom) < range + vectorLenght)                                                                                                                                                                                                                                                                                   //if enemy is not given target and enemy is hitable by laser
                        {
                            Vector2 predPos2 = Prediction.GetFastUnitPosition(enemy, delay);                                                                                                                                                                                                                                                                                                                //get enemy unit position after delay
                            if (predPos1.Distance(rangeCheckFrom) < range)                                                                                                                                                                                                                                                                                                                                  //if target is in range
                            {
                                Prediction.Result predRes = LinePrediction.GetPrediction(enemy, width, delay, vectorSpeed, vectorLenght, false, enemy.GetWaypoints(), enemy.AvgMovChangeTime(), enemy.LastMovChangeTime(), enemy.AvgPathLenght(), 360, predPos1 - (predPos1 - rangeCheckFrom).Normalized().Perpendicular() * 30, predPos1 - (predPos1 - rangeCheckFrom).Normalized().Perpendicular() * 30); //get enemy prediciton with from = target's position (a bit backward)
                                if (predRes.HitChance >= HitChance.Low)
                                {
                                    return(predRes.AsVectorResult(predPos1 - (predPos1 - rangeCheckFrom).Normalized().Perpendicular() * 30));
                                }
                            }
                            else if (predPos2.Distance(rangeCheckFrom) < range)                                                                                                                                                                                                                                                    //if enemy is in range
                            {
                                Prediction.Result predRes = LinePrediction.GetPrediction(target, width, delay, vectorSpeed, vectorLenght, false, path, avgt, movt, avgp, 360, predPos2 - (predPos2 - rangeCheckFrom).Normalized().Perpendicular() * 30, predPos2 - (predPos2 - rangeCheckFrom).Normalized().Perpendicular() * 30); //get target prediction with from = enemy's position (a bit backward)
                                if (predRes.HitChance >= HitChance.Low)
                                {
                                    return(predRes.AsVectorResult(predPos2 - (predPos2 - rangeCheckFrom).Normalized().Perpendicular() * 30));
                                }
                            }
                        }
                    }
                }
            }

            Vector2 immobileFrom = rangeCheckFrom + (target.PreviousPosition.ToVector2() - rangeCheckFrom).Normalized() * range;

            if (path.Count <= 1) //if target is not moving, easy to hit
            {
                result.HitChance          = HitChance.VeryHigh;
                result.CastSourcePosition = immobileFrom;
                result.CastTargetPosition = target.PreviousPosition.ToVector2();
                result.UnitPosition       = result.CastTargetPosition;
                result.CollisionResult    = Collision.GetCollisions(immobileFrom, result.CastTargetPosition, range, width, delay, vectorSpeed);

                if (immobileFrom.Distance(result.CastTargetPosition) > vectorLenght - Prediction.GetArrivalTime(immobileFrom.Distance(result.CastTargetPosition), delay, vectorSpeed) * target.MoveSpeed)
                {
                    result.HitChance = HitChance.OutOfRange;
                }

                return(result);
            }

            if (target is AIHeroClient)
            {
                if (((AIHeroClient)target).IsCastingImporantSpell())
                {
                    result.HitChance          = HitChance.VeryHigh;
                    result.CastSourcePosition = immobileFrom;
                    result.CastTargetPosition = target.PreviousPosition.ToVector2();
                    result.UnitPosition       = result.CastTargetPosition;
                    result.CollisionResult    = Collision.GetCollisions(immobileFrom, result.CastTargetPosition, range, width, delay, vectorSpeed);

                    //check if target can dodge with moving backward
                    if (immobileFrom.Distance(result.CastTargetPosition) > range - Prediction.GetArrivalTime(immobileFrom.Distance(result.CastTargetPosition), delay, vectorSpeed) * target.MoveSpeed)
                    {
                        result.HitChance = HitChance.OutOfRange;
                    }

                    return(result);
                }

                //to do: find a fuking logic
                if (avgp < 400 && movt < 100)
                {
                    result.HitChance          = HitChance.High;
                    result.CastTargetPosition = target.PreviousPosition.ToVector2();
                    result.CastSourcePosition = immobileFrom;
                    result.UnitPosition       = result.CastTargetPosition;
                    result.CollisionResult    = Collision.GetCollisions(immobileFrom, result.CastTargetPosition, range, width, delay, vectorSpeed);

                    //check if target can dodge with moving backward
                    if (immobileFrom.Distance(result.CastTargetPosition) > range - Prediction.GetArrivalTime(immobileFrom.Distance(result.CastTargetPosition), delay, vectorSpeed) * target.MoveSpeed)
                    {
                        result.HitChance = HitChance.OutOfRange;
                    }

                    return(result);
                }
            }

            if (target.IsDashing())
            {
                return(Prediction.GetDashingPrediction(target, width, delay, vectorSpeed, range, false, SpellType.Line, immobileFrom, rangeCheckFrom).AsVectorResult(immobileFrom));
            }

            if (Utility.IsImmobileTarget(target))
            {
                return(Prediction.GetImmobilePrediction(target, width, delay, vectorSpeed, range, false, SpellType.Line, immobileFrom, rangeCheckFrom).AsVectorResult(immobileFrom));
            }

            for (int i = 0; i < path.Count - 1; i++)
            {
                Vector2 point = Vector2.Zero;
                if (path[i].Distance(ObjectManager.Player.PreviousPosition) < range)
                {
                    point = path[i];
                }
                else
                {
                    point = Geometry.ClosestCirclePoint(rangeCheckFrom, range, path[i]);
                }

                var res = Prediction.WaypointAnlysis(target, width, delay, vectorSpeed, vectorLenght, false, SpellType.Line, path, avgt, movt, avgp, 360, point);
                res.Input = new Prediction.Input(target, delay, vectorSpeed, width, range, false, SpellType.Line, rangeCheckFrom.ToVector3World(), rangeCheckFrom.ToVector3World());
                res.Lock();
                if (res.HitChance >= HitChance.Low)
                {
                    return(res.AsVectorResult(point));
                }
            }

            result.CastSourcePosition = immobileFrom;
            result.CastTargetPosition = target.PreviousPosition.ToVector2();
            result.HitChance          = HitChance.None;
            return(result);
        }
Exemplo n.º 2
0
        /// <summary>
        /// Gets Prediction result
        /// </summary>
        /// <param name="target">Target for spell</param>
        /// <param name="width">Spell width</param>
        /// <param name="delay">Spell delay</param>
        /// <param name="missileSpeed">Spell missile speed</param>
        /// <param name="range">Spell range</param>
        /// <param name="collisionable">Spell collisionable</param>
        /// <param name="type">Spell skillshot type</param>
        /// <param name="path">Waypoints of target</param>
        /// <param name="avgt">Average reaction time (in ms)</param>
        /// <param name="movt">Passed time from last movement change (in ms)</param>
        /// <param name="avgp">Average Path Lenght</param>
        /// <param name="from">Spell casted position</param>
        /// <param name="rangeCheckFrom"></param>
        /// <returns>Prediction result as <see cref="Prediction.Result"/></returns>
        public static Prediction.Result GetPrediction(AIBaseClient target, float width, float delay, float missileSpeed, float range, bool collisionable, List <Vector2> path, float avgt, float movt, float avgp, float anglediff, Vector2 from, Vector2 rangeCheckFrom, bool arconly = true)
        {
            Prediction.AssertInitializationMode();

            if (arconly)
            {
                if (target.Distance(from) < width || target.Distance(from) > range * 0.75f)
                {
                    return(CirclePrediction.GetPrediction(target, width, delay, missileSpeed, range, collisionable, path, avgt, movt, avgp, anglediff, from, rangeCheckFrom));
                }

                var pred = LinePrediction.GetPrediction(target, 80f, delay, missileSpeed, range, collisionable, path, avgt, movt, avgp, anglediff, from, rangeCheckFrom);
                if (pred.HitChance >= HitChance.Low)
                {
                    pred.CastPosition = (from + (pred.CastPosition - from).Normalized() * range);
                    float cos = (float)Math.Cos((1 - pred.UnitPosition.Distance(from) / 820f) * Math.PI / 2);
                    float sin = (float)Math.Sin((1 - pred.UnitPosition.Distance(from) / 820f) * Math.PI / 2);
                    float x   = cos * (pred.CastPosition.X - from.X) - sin * (pred.CastPosition.Y - from.Y) + from.X;
                    float y   = sin * (pred.CastPosition.X - from.X) + cos * (pred.CastPosition.Y - from.Y) + from.Y;
                    pred.CastPosition = new Vector2(x, y);
                }

                return(pred);
            }
            else
            {
                Prediction.Result result = new Prediction.Result();

                if (path.Count <= 1) //if target is not moving, easy to hit
                {
                    result.HitChance    = HitChance.Immobile;
                    result.CastPosition = target.PreviousPosition.ToVector2();
                    result.UnitPosition = result.CastPosition;
                    return(result);
                }

                if (target is AIHeroClient && ((AIHeroClient)target).IsCastingImporantSpell())
                {
                    result.HitChance    = HitChance.Immobile;
                    result.CastPosition = target.PreviousPosition.ToVector2();
                    result.UnitPosition = result.CastPosition;
                    return(result);
                }

                if (Utility.IsImmobileTarget(target))
                {
                    return(Prediction.GetImmobilePrediction(target, width, delay, missileSpeed, range, collisionable, SkillshotType.Circle, from, rangeCheckFrom));
                }

                if (target.IsDashing())
                {
                    return(Prediction.GetDashingPrediction(target, width, delay, missileSpeed, range, collisionable, SkillshotType.Circle, from, rangeCheckFrom));
                }

                float targetDistance = rangeCheckFrom.Distance(target.PreviousPosition);
                float flyTime        = 0f;

                if (missileSpeed != 0)
                {
                    Vector2 Vt = (path[path.Count - 1] - path[0]).Normalized() * target.MoveSpeed;
                    Vector2 Vs = (target.PreviousPosition.ToVector2() - rangeCheckFrom).Normalized() * missileSpeed;
                    Vector2 Vr = Vs - Vt;

                    flyTime = targetDistance / Vr.Length();

                    if (path.Count > 5)
                    {
                        flyTime = targetDistance / missileSpeed;
                    }
                }

                float t = flyTime + delay + Game.Ping / 2000f + ConfigMenu.SpellDelay / 1000f;

                result.HitChance = Prediction.GetHitChance(t * 1000f, avgt, movt, avgp, anglediff);

                #region arc collision test
                if (result.HitChance > HitChance.Low)
                {
                    for (int i = 1; i < path.Count; i++)
                    {
                        Vector2 senderPos = rangeCheckFrom;
                        Vector2 testPos   = path[i];

                        float multp = (testPos.Distance(senderPos) / 875.0f);

                        var dianaArc = new SPredictionMash.Geometry.Polygon(
                            ClipperWrapper.DefineArc(senderPos - new Vector2(875 / 2f, 20), testPos, (float)Math.PI * multp, 410, 200 * multp),
                            ClipperWrapper.DefineArc(senderPos - new Vector2(875 / 2f, 20), testPos, (float)Math.PI * multp, 410, 320 * multp));

                        if (!ClipperWrapper.IsOutside(dianaArc, target.PreviousPosition.ToVector2()))
                        {
                            result.HitChance    = HitChance.VeryHigh;
                            result.CastPosition = testPos;
                            result.UnitPosition = testPos;
                            return(result);
                        }
                    }
                }
                #endregion

                return(CirclePrediction.GetPrediction(target, width, delay, missileSpeed, range, collisionable, path, avgt, movt, avgp, anglediff, from, rangeCheckFrom));
            }
        }