/// <summary>
/// Check Yasuo wall collisions
/// </summary>
/// <param name="from">Start position</param>
/// <param name="to">End position</param>
/// <param name="width">Rectangle scale</param>
/// <param name="isArc">Check collision for arc spell</param>
/// <returns>true if collision found</returns>
public static bool CheckYasuoWallCollision(Vector2 from, Vector2 to, float width, bool isArc = false)
{
if (Utils.TickCount - yasuoWallCastedTick > 4000)
{
return(false);
}
GameObject yasuoWall = ObjectManager.Get <GameObject>().Where(p => p.IsValid && Regex.IsMatch(p.Name, "_w_windwall_enemy_0.\\.troy", RegexOptions.IgnoreCase)).FirstOrDefault();
if (yasuoWall == null)
{
return(false);
}
Vector2 yasuoWallDirection = (yasuoWall.Position.To2D() - yasuoWallCastedPos).Normalized().Perpendicular();
float yasuoWallWidth = 300 + 50 * yasuoWallLevel;
Vector2 yasuoWallStart = yasuoWall.Position.To2D() + yasuoWallWidth / 2f * yasuoWallDirection;
Vector2 yasuoWallEnd = yasuoWallStart - yasuoWallWidth * yasuoWallDirection;
Geometry.Polygon yasuoWallPoly = ClipperWrapper.DefineRectangle(yasuoWallStart, yasuoWallEnd, 5);
Geometry.Polygon spellHitBox = ClipperWrapper.DefineRectangle(from, to, width);
if (isArc)
{
spellHitBox = new MidlaneSharp.Geometry.Polygon(
ClipperWrapper.DefineArc(from - new Vector2(875 / 2f, 20), to, (float)Math.PI * (to.Distance(from) / 875f), 410, 200 * (to.Distance(from) / 875f)),
ClipperWrapper.DefineArc(from - new Vector2(875 / 2f, 20), to, (float)Math.PI * (to.Distance(from) / 875f), 410, 320 * (to.Distance(from) / 875f)));
}
return(ClipperWrapper.IsIntersects(ClipperWrapper.MakePaths(yasuoWallPoly), ClipperWrapper.MakePaths(spellHitBox)));
}
/// <summary>
/// Gets Prediction result while unit is dashing
/// </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>
internal static Result GetDashingPrediction(Obj_AI_Base target, float width, float delay, float missileSpeed, float range, bool collisionable, SkillshotType type, Vector2 from)
{
Result result = new Result();
if (target.IsDashing())
{
var dashInfo = target.GetDashInfo();
if (dashInfo.IsBlink)
{
result.HitChance = HitChance.Impossible;
return(result);
}
//define hitboxes
var dashHitBox = ClipperWrapper.MakePaths(ClipperWrapper.DefineRectangle(dashInfo.StartPos, dashInfo.EndPos + (dashInfo.EndPos - dashInfo.StartPos).Normalized() * 500, target.BoundingRadius * 2));
var myHitBox = ClipperWrapper.MakePaths(ClipperWrapper.DefineCircle(from, from == ObjectManager.Player.ServerPosition.To2D() ? ObjectManager.Player.BoundingRadius : width));
if (ClipperWrapper.IsIntersects(myHitBox, dashHitBox))
{
result.HitChance = HitChance.Dashing;
result.CastPosition = target.ServerPosition.To2D();
result.UnitPosition = result.CastPosition;
result.CollisionResult = Collision.GetCollisions(from, result.CastPosition, width, delay, missileSpeed);
//check collisions
if (collisionable && result.CollisionResult.Objects.HasFlag(Collision.Flags.Minions))
{
result.HitChance = HitChance.Collision;
}
return(result);
}
result.CastPosition = GetFastUnitPosition(target, dashInfo.Path, delay, missileSpeed, from, dashInfo.Speed);
result.HitChance = HitChance.Dashing;
//check range
if (result.CastPosition.Distance(from) > range)
{
result.HitChance = HitChance.OutOfRange;
}
//check collisions
if (collisionable && (result.CollisionResult.Objects.HasFlag(Collision.Flags.Minions) || result.CollisionResult.Objects.HasFlag(Collision.Flags.YasuoWall)))
{
result.HitChance = HitChance.Collision;
}
}
else
{
result.HitChance = HitChance.Impossible;
}
return(result);
}
/// <summary>
/// Checks enemy hero collisions
/// </summary>
/// <param name="from">Start position</param>
/// <param name="to">End position</param>
/// <param name="width">Rectangle scale</param>
/// <param name="delay">Spell delay</param>
/// <param name="missileSpeed">Spell missile speed</param>
/// <param name="isArc">Checks collision for arc spell</param>
/// <returns>true if collision found</returns>
public static bool CheckAllyHeroCollision(Vector2 from, Vector2 to, float width, float delay, float missileSpeed = 0, bool isArc = false)
{
var spellHitBox = ClipperWrapper.MakePaths(ClipperWrapper.DefineRectangle(from, to, width));
if (isArc)
{
spellHitBox = ClipperWrapper.MakePaths(new MidlaneSharp.Geometry.Polygon(
ClipperWrapper.DefineArc(from - new Vector2(875 / 2f, 20), to, (float)Math.PI * (to.Distance(from) / 875f), 410, 200 * (to.Distance(from) / 875f)),
ClipperWrapper.DefineArc(from - new Vector2(875 / 2f, 20), to, (float)Math.PI * (to.Distance(from) / 875f), 410, 320 * (to.Distance(from) / 875f))));
}
return(HeroManager.Allies.AsParallel().Any(p => ClipperWrapper.IsIntersects(ClipperWrapper.MakePaths(ClipperWrapper.DefineCircle(Prediction.GetFastUnitPosition(p, delay, missileSpeed), p.BoundingRadius)), spellHitBox)));
}
/// <summary>
/// Gets collided units & flags
/// </summary>
/// <param name="from">Start position</param>
/// <param name="to">End position</param>
/// <param name="width">Rectangle scale</param>
/// <param name="delay">Spell delay</param>
/// <param name="missileSpeed">Spell missile speed</param>
/// <returns>Collision result as <see cref="Collision.Result"/></returns>
public static Result GetCollisions(Vector2 from, Vector2 to, float width, float delay, float missileSpeed = 0, bool isArc = false)
{
List <Obj_AI_Base> collidedUnits = new List <Obj_AI_Base>();
var spellHitBox = ClipperWrapper.MakePaths(ClipperWrapper.DefineRectangle(from, to, width));
if (isArc)
{
spellHitBox = ClipperWrapper.MakePaths(new MidlaneSharp.Geometry.Polygon(
ClipperWrapper.DefineArc(from - new Vector2(875 / 2f, 20), to, (float)Math.PI * (to.Distance(from) / 875f), 410, 200 * (to.Distance(from) / 875f)),
ClipperWrapper.DefineArc(from - new Vector2(875 / 2f, 20), to, (float)Math.PI * (to.Distance(from) / 875f), 410, 320 * (to.Distance(from) / 875f))));
}
Flags _colFlags = Flags.None;
var collidedMinions = MinionManager.GetMinions(from.Distance(to) + 250, MinionTypes.All, MinionTeam.NotAlly, MinionOrderTypes.None).AsParallel().Where(p => ClipperWrapper.IsIntersects(ClipperWrapper.MakePaths(ClipperWrapper.DefineCircle(Prediction.GetFastUnitPosition(p, delay, missileSpeed), p.BoundingRadius + 10)), spellHitBox));
var collidedEnemies = HeroManager.Enemies.AsParallel().Where(p => ClipperWrapper.IsIntersects(ClipperWrapper.MakePaths(ClipperWrapper.DefineCircle(Prediction.GetFastUnitPosition(p, delay, missileSpeed), p.BoundingRadius)), spellHitBox));
var collidedAllies = HeroManager.Allies.AsParallel().Where(p => ClipperWrapper.IsIntersects(ClipperWrapper.MakePaths(ClipperWrapper.DefineCircle(Prediction.GetFastUnitPosition(p, delay, missileSpeed), p.BoundingRadius)), spellHitBox));
if (collidedMinions != null && collidedMinions.Count() != 0)
{
collidedUnits.AddRange(collidedMinions);
_colFlags |= Flags.Minions;
}
if (collidedEnemies != null && collidedEnemies.Count() != 0)
{
collidedUnits.AddRange(collidedEnemies);
_colFlags |= Flags.EnemyChampions;
}
if (collidedAllies != null && collidedAllies.Count() != 0)
{
collidedUnits.AddRange(collidedAllies);
_colFlags |= Flags.AllyChampions;
}
if (CheckWallCollision(from, to))
{
_colFlags |= Flags.Wall;
}
if (CheckYasuoWallCollision(from, to, width))
{
_colFlags |= Flags.YasuoWall;
}
return(new Result(collidedUnits, _colFlags));
}
/// <summary>
/// Checks Yasuo wall collisions
/// </summary>
/// <param name="poly">Polygon to check collision</param>
/// <returns>true if collision found</returns>
public static bool CheckYasuoWallCollision(Geometry.Polygon spellHitBox)
{
if (Utils.TickCount - yasuoWallCastedTick > 4000)
{
return(false);
}
GameObject yasuoWall = ObjectManager.Get <GameObject>().Where(p => p.IsValid && Regex.IsMatch(p.Name, "_w_windwall_enemy_0.\\.troy", RegexOptions.IgnoreCase)).FirstOrDefault();
if (yasuoWall == null)
{
return(false);
}
Vector2 yasuoWallDirection = (yasuoWall.Position.To2D() - yasuoWallCastedPos).Normalized().Perpendicular();
float yasuoWallWidth = 300 + 50 * yasuoWallLevel;
Vector2 yasuoWallStart = yasuoWall.Position.To2D() + yasuoWallWidth / 2f * yasuoWallDirection;
Vector2 yasuoWallEnd = yasuoWallStart - yasuoWallWidth * yasuoWallDirection;
Geometry.Polygon yasuoWallPoly = ClipperWrapper.DefineRectangle(yasuoWallStart, yasuoWallEnd, 5);
return(ClipperWrapper.IsIntersects(ClipperWrapper.MakePaths(yasuoWallPoly), ClipperWrapper.MakePaths(spellHitBox)));
}
/// <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();
var enemies = HeroManager.Enemies.Where(p => p.IsValidTarget() && Prediction.GetFastUnitPosition(p, delay, 0, from).Distance(rangeCheckFrom) < range);
foreach (AIHeroClient 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)
{
float multp = (result.CastPosition.Distance(from) / 875.0f);
var spellHitBox = new MidlaneSharp.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 = HeroManager.Enemies.AsParallel().Where(p => ClipperWrapper.IsIntersects(ClipperWrapper.MakePaths(ClipperWrapper.DefineCircle(Prediction.GetFastUnitPosition(p, delay, missileSpeed), p.BoundingRadius)), ClipperWrapper.MakePaths(spellHitBox)));
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);
}
