/// <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)
{
Prediction.AoeResult result = new Prediction.AoeResult();
result.HitCount = 0;
var enemies = HeroManager.Enemies.Where(p => p.IsValidTarget() && Prediction.GetFastUnitPosition(p, delay, 0, from).Distance(rangeCheckFrom) < range);
foreach (Obj_AI_Hero enemy in enemies)
{
Prediction.Result prediction = GetPrediction(enemy, width, delay, missileSpeed, range, false, enemy.GetWaypoints(), enemy.AvgMovChangeTime(), enemy.LastMovChangeTime(), enemy.AvgPathLenght(), 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 = HeroManager.Enemies.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 <Obj_AI_Base>(), Collision.Flags.EnemyChampions));
}
}
}
return(result);
}
/// <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)
{
Prediction.AssertInitializationMode();
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.ServerPosition.To2D();
result.UnitPosition = result.CastPosition;
return(result);
}
if (target is Obj_AI_Hero && ((Obj_AI_Hero)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));
}
if (target.IsDashing())
{
return(Prediction.GetDashingPrediction(target, width, delay, missileSpeed, range, collisionable, SkillshotType.SkillshotCircle, from));
}
float targetDistance = rangeCheckFrom.Distance(target.ServerPosition);
float flyTime = 0f;
if (missileSpeed != 0)
{
Vector2 Vt = (path[path.Count - 1] - path[0]).Normalized() * target.MoveSpeed;
Vector2 Vs = (target.ServerPosition.To2D() - 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 + Prediction.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 SCommon.Maths.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.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));
}
