Пример #1
0
        /// <summary>
        /// Checks if the point is outside of polygon
        /// </summary>
        /// <param name="val">Polygon to check</param>
        /// <param name="point">Point to check</param>
        /// <returns>true if point is outside of polygon</returns>
        public static bool IsOutside(this Geometry.Polygon val, Vector2 point)
        {
            var p = new IntPoint(point.X, point.Y);

            return(Clipper.PointInPolygon(p, val.ToClipperPath()) != 1);
        }
Пример #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(Obj_AI_Base 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
                                        /*.RotateAroundPoint(from, (1 - pred.UnitPosition.Distance(ObjectManager.Player.ServerPosition.To2D()) / 820f) * (float)Math.PI / 2f)*/;
                    var cos = (float)Math.Cos((1 - pred.UnitPosition.Distance(from) / 820f) * Math.PI / 2);
                    var sin = (float)Math.Sin((1 - pred.UnitPosition.Distance(from) / 820f) * Math.PI / 2);
                    var x   = cos * (pred.CastPosition.X - from.X) - sin * (pred.CastPosition.Y - from.Y) + from.X;
                    var y   = sin * (pred.CastPosition.X - from.X) + cos * (pred.CastPosition.Y - from.Y) + from.Y;
                    pred.CastPosition = new Vector2(x, y);
                }

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

            if (path.Count <= 1) //if target is not moving, easy to hit
            {
                result.HitChance    = HitChance.Immobile;
                result.CastPosition = target.ServerPosition.To2D();
                result.UnitPosition = result.CastPosition;
                return(result);
            }

            if (target is AIHeroClient && ((AIHeroClient)target).IsChannelingImportantSpell())
            {
                result.HitChance    = HitChance.Immobile;
                result.CastPosition = target.ServerPosition.To2D();
                result.UnitPosition = result.CastPosition;
                return(result);
            }

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

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

            var targetDistance = rangeCheckFrom.Distance(target.ServerPosition);
            var flyTime        = 0f;

            if (missileSpeed != 0)
            {
                var Vt = (path[path.Count - 1] - path[0]).Normalized() * target.MoveSpeed;
                var Vs = (target.ServerPosition.To2D() - rangeCheckFrom).Normalized() * missileSpeed;
                var Vr = Vs - Vt;

                flyTime = targetDistance / Vr.Length();

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

            var 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 (var i = 1; i < path.Count; i++)
                {
                    var senderPos = rangeCheckFrom;
                    var testPos   = path[i];

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

                    var dianaArc = new 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 (!dianaArc.IsOutside(target.ServerPosition.To2D()))
                    {
                        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));
        }
Пример #3
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="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">Spell range check fropm</param>
        /// <param name="arconly">Is Arc</param>
        /// <returns>Prediction result as <see cref="PredictionResult"/></returns>
        public static PredictionResult 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)
        {
            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.GetLinePrediction(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);
                    var cos = (float)Math.Cos((1 - pred.UnitPosition.Distance(from) / 820f) * Math.PI / 2);
                    var sin = (float)Math.Sin((1 - pred.UnitPosition.Distance(from) / 820f) * Math.PI / 2);
                    var x   = cos * (pred.CastPosition.X - from.X) - sin * (pred.CastPosition.Y - from.Y) + from.X;
                    var y   = sin * (pred.CastPosition.X - from.X) + cos * (pred.CastPosition.Y - from.Y) + from.Y;
                    pred.CastPosition = new Vector2(x, y);
                }

                return(pred);
            }

            var result = new PredictionResult();

            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 aiHero && aiHero.IsCastingImporantSpell())
            {
                result.HitChance    = HitChance.Immobile;
                result.CastPosition = aiHero.PreviousPosition.ToVector2();
                result.UnitPosition = result.CastPosition;
                return(result);
            }

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

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

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

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

                flyTime = targetDistance / Vr.Length();

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

            var t = flyTime + delay + Game.Ping / 2000f + Program.SpellDelay / 1000f;

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

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

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

                    var dianaArc = new 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 (!dianaArc.IsOutside(target.PreviousPosition.ToVector2()))
                    {
                        result.HitChance    = HitChance.VeryHigh;
                        result.CastPosition = testPos;
                        result.UnitPosition = testPos;
                        return(result);
                    }
                }
            }

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