/// <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, SpellType.Circle, from, rangeCheckFrom));
}
if (target.IsDashing())
{
return(Prediction.GetDashingPrediction(target, width, delay, missileSpeed, range, collisionable, SpellType.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));
}
}
/// <summary>
/// Gets Aoe Prediction result
/// </summary>
/// <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="from">Spell casted position</param>
/// <param name="rangeCheckFrom"></param>
/// <returns>Prediction result as <see cref="Prediction.AoeResult"/></returns>
public static Prediction.AoeResult GetAoePrediction(float width, float delay, float missileSpeed, float range, Vector2 from, Vector2 rangeCheckFrom)
{
var result = new Prediction.AoeResult();
var enemies = GameObjects.EnemyHeroes.Where(p => p.IsValidTarget() && Prediction.GetFastUnitPosition(p, delay, 0, from).Distance(rangeCheckFrom) < range);
foreach (var enemy in enemies)
{
Prediction.Result prediction = GetPrediction(enemy, width, delay, missileSpeed, range, false, enemy.GetWaypoints(), enemy.AvgMovChangeTime(), enemy.LastMovChangeTime(), enemy.AvgPathLenght(), enemy.LastAngleDiff(), from, rangeCheckFrom);
if (prediction.HitChance > HitChance.Medium)
{
Vector2 to = from + (prediction.CastPosition - from).Normalized() * range;
var spellHitBox = ClipperWrapper.DefineSector(from, to, width, range);
var collidedEnemies = GameObjects.EnemyHeroes.AsParallel().Where(p => !ClipperWrapper.IsOutside(spellHitBox, Prediction.GetFastUnitPosition(p, delay, missileSpeed, from)));
int collisionCount = collidedEnemies.Count();
if (collisionCount > result.HitCount)
{
result = prediction.ToAoeResult(collisionCount, new Collision.Result(collidedEnemies.ToList <AIBaseClient>(), Collision.Flags.EnemyChampions));
}
}
}
return(result);
}
