/// <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="PredictionExtensions.AoeResult"/></returns>
public static SpellAoeResult GetAoePrediction(float width, float delay, float missileSpeed, float range, Vector2 from, Vector2 rangeCheckFrom)
{
var result = new SpellAoeResult();
var enemies = GameObjects.EnemyHeroes.Where(p => p.IsValidTarget() && PredictionExtensions.GetFastUnitPosition(p, delay, 0, from).Distance(rangeCheckFrom) < range);
foreach (var enemy in enemies)
{
var 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)
{
var multp = (result.CastPosition.Distance(from) / 875.0f);
var spellHitBox = new Geometry.Polygon(
ClipperWrapper.DefineArc(from - new Vector2(875 / 2f, 20), result.CastPosition, (float)Math.PI * multp, 410, 200 * multp),
ClipperWrapper.DefineArc(from - new Vector2(875 / 2f, 20), result.CastPosition, (float)Math.PI * multp, 410, 320 * multp));
var collidedEnemies = GameObjects.EnemyHeroes.AsParallel().Where(p => ClipperWrapper.IsIntersects(ClipperWrapper.MakePaths(ClipperWrapper.DefineCircle(PredictionExtensions.GetFastUnitPosition(p, delay, missileSpeed), p.BoundingRadius)), ClipperWrapper.MakePaths(spellHitBox))).ToList();
var collisionCount = collidedEnemies.Count;
if (collisionCount > result.HitCount)
{
var collisionResult = new CollisionResult(collidedEnemies.ToList <AIBaseClient>(), CollisionFlags.EnemyChampions);
return(new SpellAoeResult
{
CastPosition = prediction.CastPosition,
HitCount = collisionCount,
CollisionResult = collisionResult
});
}
}
}
return(result);
}
/// <summary>
/// Stasis calculations
/// </summary>
/// <param name="spell">The spell.</param>
internal void Process(Spell spell)
{
var arrivalT = PredictionExtensions.GetArrivalTime(spell.From.Distance(this.Unit.PreviousPosition), spell.Delay, spell.Speed) * 1000f;
if (Variables.TickCount - this.StartTick >= this.Duration - arrivalT)
{
var pred = new PredictionResult
{
Input = new PredictionInput(this.Unit, spell.Delay, spell.Speed, spell.Width, spell.Range, spell.Collision, spell.Type, spell.From, spell.RangeCheckFrom),
Unit = this.Unit,
CastPosition = this.Unit.PreviousPosition.ToVector2(),
UnitPosition = this.Unit.PreviousPosition.ToVector2(),
HitChance = HitChance.VeryHigh
};
pred.Lock(false);
var result = new StasisResult {
Spell = spell, Prediction = pred
};
if (OnGuaranteedHit != null && pred.HitChance != HitChance.Collision &&
pred.HitChance != HitChance.OutOfRange)
{
OnGuaranteedHit(MethodBase.GetCurrentMethod().DeclaringType, result);
}
this.Processed = true;
}
}
/// <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="SpellAoeResult"/></returns>
public static SpellAoeResult GetLineAoePrediction(float width, float delay, float missileSpeed, float range, Vector2 from, Vector2 rangeCheckFrom)
{
var result = new SpellAoeResult();
var enemies = GameObjects.EnemyHeroes.Where(p => p.IsValidTarget() && PredictionExtensions.GetFastUnitPosition(p, delay, 0, from).Distance(rangeCheckFrom) < range);
foreach (var enemy in enemies)
{
var prediction = GetLinePrediction(enemy, width, delay, missileSpeed, range, false, enemy.GetWaypoints(), enemy.AvgMovChangeTime(), enemy.LastMovChangeTime(), enemy.AvgPathLenght(), enemy.LastAngleDiff(), from, rangeCheckFrom);
if (prediction.HitChance > HitChance.Medium)
{
var to = from + (prediction.CastPosition - from).Normalized() * range;
var colResult = Collision.GetCollisions(from, to, range, width, delay, missileSpeed);
if (colResult.Objects.HasFlag(CollisionFlags.EnemyChampions))
{
var collisionCount = colResult.Units.Count(p => p.IsEnemy && p.Type == GameObjectType.AIHeroClient && p.IsValid);
if (collisionCount > result.HitCount)
{
return(new SpellAoeResult
{
CastPosition = prediction.CastPosition,
HitCount = collisionCount,
CollisionResult = colResult
});
}
}
}
}
return(result);
}
/// <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="SpellAoeResult"/></returns>
public static SpellAoeResult GetAoePrediction(float width, float delay, float missileSpeed, float range, Vector2 from, Vector2 rangeCheckFrom)
{
var result = new SpellAoeResult();
var enemies = GameObjects.EnemyHeroes.Where(p => p.IsValidTarget() && PredictionExtensions.GetFastUnitPosition(p, delay, 0, from).Distance(rangeCheckFrom) < range);
foreach (var enemy in enemies)
{
var 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)
{
var to = from + (prediction.CastPosition - from).Normalized() * range;
var spellHitBox = ClipperWrapper.DefineSector(from, to, width, range);
var collidedEnemies = GameObjects.EnemyHeroes.AsParallel().Where(p => !spellHitBox.IsOutside(PredictionExtensions.GetFastUnitPosition(p, delay, missileSpeed, from))).ToList();
var collisionCount = collidedEnemies.Count;
if (collisionCount > result.HitCount)
{
var collisionResult = new CollisionResult(collidedEnemies.ToList <AIBaseClient>(), CollisionFlags.EnemyChampions);
return(new SpellAoeResult
{
CastPosition = prediction.CastPosition,
HitCount = collisionCount,
CollisionResult = collisionResult
});
}
}
}
return(result);
}
/// <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="SpellAoeResult"/></returns>
public static SpellAoeResult GetAoePrediction(float width, float delay, float missileSpeed, float range, Vector2 from, Vector2 rangeCheckFrom)
{
var result = new SpellAoeResult();
var enemies = GameObjects.EnemyHeroes.Where(p => p.IsValidTarget() && PredictionExtensions.GetFastUnitPosition(p, delay, 0, from).Distance(rangeCheckFrom) < range).ToList();
if (enemies.Count > 0)
{
var posSummary = Vector2.Zero;
// ReSharper disable once AccessToModifiedClosure
enemies.AsParallel().ForAll(p => posSummary += PredictionExtensions.GetFastUnitPosition(p, delay, missileSpeed, from));
var center = posSummary / enemies.Count;
float flyTime = 0;
if (missileSpeed != 0)
{
flyTime = from.Distance(center) / missileSpeed;
}
posSummary = Vector2.Zero;
var predictionResults = new List <Tuple <PredictionResult, float> >();
foreach (var enemy in enemies)
{
var prediction = GetPrediction(enemy, width, delay + flyTime, 0, range, false, enemy.GetWaypoints(), enemy.AvgMovChangeTime(), enemy.LastMovChangeTime(), enemy.AvgPathLenght(), enemy.LastAngleDiff(), from, rangeCheckFrom);
if (prediction.HitChance > HitChance.Medium)
{
posSummary += prediction.UnitPosition;
predictionResults.Add(new Tuple <PredictionResult, float>(prediction, enemy.BoundingRadius));
}
}
if (predictionResults.Count > 0)
{
center = posSummary / predictionResults.Count;
result.CastPosition = center;
foreach (var unused in predictionResults.Where(res => center.CircleCircleIntersection(res.Item1.UnitPosition, width, res.Item2).Length > 1))
{
result.HitCount++;
}
}
predictionResults.Clear();
GC.Collect(GC.GetGeneration(predictionResults));
}
return(result);
}
/// <summary>
/// Gets Prediction result while unit is immobile
/// </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="from">Spell casted position</param>
/// <returns></returns>
public static PredictionResult GetImmobilePrediction(AIBaseClient target, float width, float delay, float missileSpeed, float range, bool collisionable, SpellType type, Vector2 from, Vector2 rangeCheckFrom)
{
var result = new PredictionResult
{
Input = new PredictionInput(target, delay, missileSpeed, width, range, collisionable, type, from.ToVector3World(), rangeCheckFrom.ToVector3World()),
Unit = target,
CastPosition = target.PreviousPosition.ToVector2()
};
result.UnitPosition = result.CastPosition;
//calculate spell arrival time
var t = delay + Game.Ping / 2000f;
if (missileSpeed != 0)
{
t += from.Distance(target.PreviousPosition) / missileSpeed;
}
if (type == SpellType.Circle)
{
t += width / target.MoveSpeed / 2f;
}
if (t >= target.LeftImmobileTime())
{
result.HitChance = HitChance.Immobile;
result.Lock();
return(result);
}
if (target is AIHeroClient hero)
{
result.HitChance = PredictionExtensions.GetHitChance(t - hero.LeftImmobileTime(), hero.AvgMovChangeTime(), 0, 0, 0);
}
else
{
result.HitChance = HitChance.High;
}
result.Lock();
return(result);
}
/// <summary>
/// Gets fast-predicted unit position
/// </summary>
/// <param name="target">Target</param>
/// <param name="path">Path</param>
/// <param name="delay">Spell delay</param>
/// <param name="missileSpeed">Spell missile speed</param>
/// <param name="from">Spell casted position</param>
/// <param name="moveSpeed">Move speed</param>
/// <param name="distanceSet"></param>
/// <returns></returns>
public Vector2 GetFastUnitPosition(AIBaseClient target, List <Vector2> path, float delay, float missileSpeed = 0, Vector2?from = null, float moveSpeed = 0, float distanceSet = 0)
{
return(PredictionExtensions.GetFastUnitPosition(target, path, delay, missileSpeed, from, moveSpeed, distanceSet));
}
/// <summary>
/// Gets Prediction result while unit is immobile
/// </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="from">Spell casted position</param>
/// <returns></returns>
public PredictionResult GetImmobilePrediction(AIBaseClient target, float width, float delay, float missileSpeed, float range, bool collisionable, SpellType type, Vector2 from, Vector2 rangeCheckFrom)
{
return(PredictionExtensions.GetImmobilePrediction(target, width, delay, missileSpeed, range, collisionable, type, from, rangeCheckFrom));
}
/// <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="PredictionResult"/></returns>
public PredictionResult GetPrediction(AIBaseClient target, float width, float delay, float missileSpeed, float range, bool collisionable, SpellType type, List <Vector2> path, float avgt, float movt, float avgp, float anglediff, Vector2 from, Vector2 rangeCheckFrom)
{
return(PredictionExtensions.GetPrediction(target, width, delay, missileSpeed, range, collisionable, type, path, avgt, movt, avgp, anglediff, from, rangeCheckFrom));
}
/// <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="VectorResult"/></returns>
public static VectorResult GetPrediction(AIBaseClient target, float width, float delay, float vectorSpeed, float range, float vectorLenght, List <Vector2> path, float avgt, float movt, float avgp, Vector2 rangeCheckFrom)
{
var result = new VectorResult();
//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
{
var predPos1 = PredictionExtensions.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
{
var predPos2 = PredictionExtensions.GetFastUnitPosition(enemy, delay); //get enemy unit position after delay
if (predPos1.Distance(rangeCheckFrom) < range) //if target is in range
{
var predRes = LinePrediction.GetLinePrediction(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)
{
var f = predPos1 - (predPos1 - rangeCheckFrom).Normalized().Perpendicular() * 30;
return(new VectorResult
{
CastSourcePosition = f,
CastTargetPosition = predRes.CastPosition,
UnitPosition = predRes.UnitPosition,
HitChance = predRes.HitChance,
CollisionResult = predRes.CollisionResult,
});
}
}
else if (predPos2.Distance(rangeCheckFrom) < range) //if enemy is in range
{
var predRes = LinePrediction.GetLinePrediction(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)
{
var f = predPos2 - (predPos2 - rangeCheckFrom).Normalized().Perpendicular() * 30;
return(new VectorResult
{
CastSourcePosition = f,
CastTargetPosition = predRes.CastPosition,
UnitPosition = predRes.UnitPosition,
HitChance = predRes.HitChance,
CollisionResult = predRes.CollisionResult,
});
}
}
}
}
}
}
var 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 - PredictionExtensions.GetArrivalTime(immobileFrom.Distance(result.CastTargetPosition), delay, vectorSpeed) * target.MoveSpeed)
{
result.HitChance = HitChance.OutOfRange;
}
return(result);
}
if (target is AIHeroClient hero)
{
if (hero.IsCastingImporantSpell())
{
result.HitChance = HitChance.VeryHigh;
result.CastSourcePosition = immobileFrom;
result.CastTargetPosition = hero.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 - PredictionExtensions.GetArrivalTime(immobileFrom.Distance(result.CastTargetPosition), delay, vectorSpeed) * hero.MoveSpeed)
{
result.HitChance = HitChance.OutOfRange;
}
return(result);
}
//to do: find a fuking logic
if (avgp < 400 && movt < 100)
{
result.HitChance = HitChance.High;
result.CastTargetPosition = hero.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 - PredictionExtensions.GetArrivalTime(immobileFrom.Distance(result.CastTargetPosition), delay, vectorSpeed) * hero.MoveSpeed)
{
result.HitChance = HitChance.OutOfRange;
}
return(result);
}
}
if (target.IsDashing())
{
var dashPred = PredictionExtensions.GetDashingPrediction(target, width, delay, vectorSpeed, range, false, SpellType.Line, immobileFrom, rangeCheckFrom);
return(new VectorResult
{
CastSourcePosition = immobileFrom,
CastTargetPosition = dashPred.CastPosition,
UnitPosition = dashPred.UnitPosition,
HitChance = dashPred.HitChance,
CollisionResult = dashPred.CollisionResult,
});
}
if (target.IsImmobileTarget())
{
var immoPred = PredictionExtensions.GetImmobilePrediction(target, width, delay, vectorSpeed, range, false, SpellType.Line, immobileFrom, rangeCheckFrom);
return(new VectorResult
{
CastSourcePosition = immobileFrom,
CastTargetPosition = immoPred.CastPosition,
UnitPosition = immoPred.UnitPosition,
HitChance = immoPred.HitChance,
CollisionResult = immoPred.CollisionResult,
});
}
for (var i = 0; i < path.Count - 1; i++)
{
var point = Geometry.ClosestCirclePoint(rangeCheckFrom, range, path[i]);
if (path[i].Distance(ObjectManager.Player.PreviousPosition) < range)
{
point = path[i];
}
var res = PredictionExtensions.WaypointAnlysis(target, width, delay, vectorSpeed, vectorLenght, false, SpellType.Line, path, avgt, movt, avgp, 360, point);
res.Input = new PredictionInput(target, delay, vectorSpeed, width, range, false, SpellType.Line, rangeCheckFrom.ToVector3World(), rangeCheckFrom.ToVector3World());
res.Lock();
if (res.HitChance >= HitChance.Low)
{
return(new VectorResult
{
CastSourcePosition = point,
CastTargetPosition = res.CastPosition,
UnitPosition = res.UnitPosition,
HitChance = res.HitChance,
CollisionResult = res.CollisionResult,
});
}
}
result.CastSourcePosition = immobileFrom;
result.CastTargetPosition = target.PreviousPosition.ToVector2();
result.HitChance = HitChance.None;
return(result);
}
/// <summary>
/// Gets Aoe Prediction result
/// </summary>
/// <param name="width">Spell 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="rangeCheckFrom"></param>
/// <returns>Prediction result as <see cref="SpellAoeResult"/></returns>
public static VectorAoeResult GetAoePrediction(float width, float delay, float vectorSpeed, float range, float vectorLenght, Vector2 rangeCheckFrom)
{
var result = new VectorAoeResult();
var enemies = GameObjects.EnemyHeroes.Where(p => p.IsValidTarget() && PredictionExtensions.GetFastUnitPosition(p, delay, 0, rangeCheckFrom).Distance(rangeCheckFrom) < range);
foreach (var enemy in enemies)
{
var path = enemy.GetWaypoints();
if (path.Count <= 1)
{
var from = rangeCheckFrom + (enemy.PreviousPosition.ToVector2() - rangeCheckFrom).Normalized() * range;
var to = from + (enemy.PreviousPosition.ToVector2() - from).Normalized() * vectorLenght;
var colResult = Collision.GetCollisions(from, to, range, width, delay, vectorSpeed);
if (colResult.Objects.HasFlag(CollisionFlags.EnemyChampions))
{
var collisionCount = colResult.Units.Count(p => p.IsEnemy && p.Type == GameObjectType.AIHeroClient && p.IsValid);
if (collisionCount > result.HitCount)
{
result = new VectorAoeResult
{
CastSourcePosition = from,
CastTargetPosition = enemy.PreviousPosition.ToVector2(),
HitCount = collisionCount,
CollisionResult = colResult
};
}
}
}
else
{
if (!enemy.IsDashing())
{
for (var i = 0; i < path.Count - 1; i++)
{
var point = Geometry.ClosestCirclePoint(rangeCheckFrom, range, path[i]);
var prediction = PredictionExtensions.GetPrediction(enemy, width, delay, vectorSpeed, vectorLenght, false, SpellType.Line, path, enemy.AvgMovChangeTime(), enemy.LastMovChangeTime(), enemy.AvgPathLenght(), enemy.LastAngleDiff(), point, rangeCheckFrom);
if (prediction.HitChance > HitChance.Medium)
{
var to = point + (prediction.CastPosition - point).Normalized() * vectorLenght;
var colResult = Collision.GetCollisions(point, to, range, width, delay, vectorSpeed);
if (colResult.Objects.HasFlag(CollisionFlags.EnemyChampions))
{
var collisionCount = colResult.Units.Count(p => p.IsEnemy && p.Type == GameObjectType.AIHeroClient && p.IsValid);
if (collisionCount > result.HitCount)
{
result = new VectorAoeResult
{
CastSourcePosition = point,
CastTargetPosition = prediction.CastPosition,
HitCount = collisionCount,
CollisionResult = colResult
};
}
}
}
}
}
}
}
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="PredictionResult"/></returns>
public static PredictionResult GetPrediction(AIBaseClient target, float width, float delay, float missileSpeed, float range, bool collisionable, SpellType type, List <Vector2> path, float avgt, float movt, float avgp, float anglediff, Vector2 from, Vector2 rangeCheckFrom)
{
var result = new PredictionResult();
var input = new PredictionInput(target, delay, missileSpeed, width, range, collisionable, type, from.ToVector3World(), rangeCheckFrom.ToVector3World());
result.Input = input;
result.Unit = target;
try
{
if (type == SpellType.Circle)
{
range += width;
}
//to do: hook logic ? by storing average movement direction etc
if (path.Count <= 1 && movt > 100 && (Environment.TickCount - PathTracker.EnemyInfo[target.NetworkId].LastAATick > 300 || !Program.CheckAAWindUp)) //if target is not moving, easy to hit (and not aaing)
{
result.HitChance = HitChance.VeryHigh;
result.CastPosition = target.PreviousPosition.ToVector2();
result.UnitPosition = result.CastPosition;
result.Lock();
return(result);
}
if (target is AIHeroClient hero)
{
if (hero.IsCastingImporantSpell())
{
result.HitChance = HitChance.VeryHigh;
result.CastPosition = hero.PreviousPosition.ToVector2();
result.UnitPosition = result.CastPosition;
result.Lock();
return(result);
}
if (Environment.TickCount - PathTracker.EnemyInfo[hero.NetworkId].LastAATick < 300 && Program.CheckAAWindUp)
{
if (hero.AttackCastDelay * 1000 + PathTracker.EnemyInfo[hero.NetworkId].AvgOrbwalkTime + avgt - width / 2f / hero.MoveSpeed >= PredictionExtensions.GetArrivalTime(hero.PreviousPosition.ToVector2().Distance(from), delay, missileSpeed))
{
result.HitChance = HitChance.High;
result.CastPosition = hero.PreviousPosition.ToVector2();
result.UnitPosition = result.CastPosition;
result.Lock();
return(result);
}
}
//to do: find a fuking logic
if (avgp < 400 && movt < 100 && path.PathLength() <= avgp)
{
result.HitChance = HitChance.High;
result.CastPosition = path.Last();
result.UnitPosition = result.CastPosition;
result.Lock();
return(result);
}
}
if (target.IsDashing()) //if unit is dashing
{
return(GetDashingPrediction(target, width, delay, missileSpeed, range, collisionable, type, from, rangeCheckFrom));
}
if (target.IsImmobileTarget()) //if unit is immobile
{
return(GetImmobilePrediction(target, width, delay, missileSpeed, range, collisionable, type, from, rangeCheckFrom));
}
result = WaypointAnlysis(target, width, delay, missileSpeed, range, collisionable, type, path, avgt, movt, avgp, anglediff, from);
result.Input = input;
var d = result.CastPosition.Distance(target.PreviousPosition.ToVector2());
if (d >= (avgt - movt) * target.MoveSpeed && d >= avgp)
{
result.HitChance = HitChance.Medium;
}
result.Lock();
return(result);
}
finally
{
//check if movement changed while prediction calculations
if (!target.GetWaypoints().SequenceEqual(path))
{
result.HitChance = HitChance.Medium;
}
}
}
/// <summary>
/// Calculates cast position with target's path
/// </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>
/// <returns></returns>
public static PredictionResult WaypointAnlysis(AIBaseClient target, float width, float delay, float missileSpeed, float range, bool collisionable, SpellType type, List <Vector2> path, float avgt, float movt, float avgp, float anglediff, Vector2 from, float moveSpeed = 0, bool isDash = false)
{
if (moveSpeed == 0)
{
moveSpeed = target.MoveSpeed;
}
var result = new PredictionResult {
Unit = target
};
var flyTimeMax = 0f;
if (missileSpeed != 0) //skillshot with a missile
{
flyTimeMax = range / missileSpeed;
}
var tMin = delay + Game.Ping / 2000f + Program.SpellDelay / 1000f;
var tMax = flyTimeMax + delay + Game.Ping / 1000f + Program.SpellDelay / 1000f;
var pathTime = 0f;
var pathBounds = new[] { -1, -1 };
//find bounds
for (var i = 0; i < path.Count - 1; i++)
{
var t = path[i + 1].Distance(path[i]) / moveSpeed;
if (pathTime <= tMin && pathTime + t >= tMin)
{
pathBounds[0] = i;
}
if (pathTime <= tMax && pathTime + t >= tMax)
{
pathBounds[1] = i;
}
if (pathBounds[0] != -1 && pathBounds[1] != -1)
{
break;
}
pathTime += t;
}
//calculate cast & unit position
if (pathBounds[0] != -1 && pathBounds[1] != -1)
{
for (var k = pathBounds[0]; k <= pathBounds[1]; k++)
{
var direction = (path[k + 1] - path[k]).Normalized();
var distance = width;
var extender = target.BoundingRadius;
if (type == SpellType.Line)
{
extender = width;
}
var steps = (int)Math.Floor(path[k].Distance(path[k + 1]) / distance);
//split & anlyse current path
for (var i = 1; i < steps - 1; i++)
{
var pCenter = path[k] + (direction * distance * i);
var pA = pCenter - (direction * extender);
var pB = pCenter + (direction * extender);
var flytime = missileSpeed != 0 ? from.Distance(pCenter) / missileSpeed : 0f;
var t = flytime + delay + Game.Ping / 2000f + Program.SpellDelay / 1000f;
var currentPosition = target.PreviousPosition.ToVector2();
var arriveTimeA = currentPosition.Distance(pA) / moveSpeed;
var arriveTimeB = currentPosition.Distance(pB) / moveSpeed;
if (Math.Min(arriveTimeA, arriveTimeB) <= t && Math.Max(arriveTimeA, arriveTimeB) >= t)
{
result.HitChance = PredictionExtensions.GetHitChance(t, avgt, movt, avgp, anglediff);
result.CastPosition = pCenter;
result.UnitPosition = pCenter; //+ (direction * (t - Math.Min(arriveTimeA, arriveTimeB)) * moveSpeed);
return(result);
}
}
}
}
result.HitChance = HitChance.None;
result.CastPosition = target.PreviousPosition.ToVector2();
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="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));
}
/// <summary>
/// Gets collided units & flags
/// </summary>
/// <param name="from">Start position</param>
/// <param name="to">End position</param>
/// <param name="range"></param>
/// <param name="width">Rectangle scale</param>
/// <param name="delay">Spell delay</param>
/// <param name="missileSpeed">Spell missile speed</param>
/// <param name="isArc"></param>
/// <returns>Collision result as <see cref="CollisionResult"/></returns>
public static CollisionResult GetCollisions(Vector2 from, Vector2 to, float range, float width, float delay, float missileSpeed = 0, bool isArc = false)
{
var collidedUnits = new List <AIBaseClient>();
var spellHitBox = ClipperWrapper.MakePaths(ClipperWrapper.DefineRectangle(from, to.Extend(from, -width), width));
if (isArc)
{
spellHitBox = ClipperWrapper.MakePaths(new Geometry.Polygon(
ClipperWrapper.DefineArc(from - new Vector2(900 / 2f, 20), to, (float)Math.PI * (to.Distance(from) / 900), 410, 200 * (to.Distance(from) / 900)),
ClipperWrapper.DefineArc(from - new Vector2(900 / 2f, 20), to, (float)Math.PI * (to.Distance(from) / 900), 410, 320 * (to.Distance(from) / 900))));
}
var _colFlags = CollisionFlags.None;
var collidedMinions = GameObjects.GetMinions(range + 100).AsParallel().Where(p => ClipperWrapper.IsIntersects(ClipperWrapper.MakePaths(ClipperWrapper.DefineCircle(PredictionExtensions.GetFastUnitPosition(p, delay, missileSpeed), p.BoundingRadius + 15)), spellHitBox)).ToList();
var collidedJungles = GameObjects.GetJungles(range + 100).AsParallel().Where(p => ClipperWrapper.IsIntersects(ClipperWrapper.MakePaths(ClipperWrapper.DefineCircle(PredictionExtensions.GetFastUnitPosition(p, delay, missileSpeed), p.BoundingRadius + 15)), spellHitBox)).ToList();
var collidedEnemies = GameObjects.EnemyHeroes.AsParallel().Where(p => ClipperWrapper.IsIntersects(ClipperWrapper.MakePaths(ClipperWrapper.DefineCircle(PredictionExtensions.GetFastUnitPosition(p, delay, missileSpeed), p.BoundingRadius)), spellHitBox)).ToList();
var collidedAllies = GameObjects.AllyHeroes.AsParallel().Where(p => ClipperWrapper.IsIntersects(ClipperWrapper.MakePaths(ClipperWrapper.DefineCircle(PredictionExtensions.GetFastUnitPosition(p, delay, missileSpeed), p.BoundingRadius)), spellHitBox)).ToList();
if (collidedMinions.Count != 0)
{
collidedUnits.AddRange(collidedMinions);
_colFlags |= CollisionFlags.Minions;
}
if (collidedJungles.Count != 0)
{
collidedUnits.AddRange(collidedJungles);
_colFlags |= CollisionFlags.Minions;
}
if (collidedEnemies.Count != 0)
{
collidedUnits.AddRange(collidedEnemies);
_colFlags |= CollisionFlags.EnemyChampions;
}
if (collidedAllies.Count != 0)
{
collidedUnits.AddRange(collidedAllies);
_colFlags |= CollisionFlags.AllyChampions;
}
if (CheckWallCollision(from, to))
{
_colFlags |= CollisionFlags.Wall;
}
if (CheckYasuoWallCollision(from, to, width))
{
_colFlags |= CollisionFlags.YasuoWall;
}
return(new CollisionResult(collidedUnits, _colFlags));
}
private void CheckOutofRange(bool checkDodge)
{
if (this.Input.RangeCheckFrom.ToVector2().Distance(this.CastPosition) > this.Input.SpellRange - (checkDodge ? PredictionExtensions.GetArrivalTime(this.Input.From.ToVector2().Distance(this.CastPosition), this.Input.SpellDelay, this.Input.SpellMissileSpeed) * this.Unit.MoveSpeed * (100 - Program.MaxRangeIgnore) / 100f : 0))
{
this.HitChance = HitChance.OutOfRange;
}
}
