public SafePathResult IsSafePath(GamePath path, int timeOffset, int speed = -1, int delay = 0, Obj_AI_Base unit = null)
{
var Distance = 0f;
timeOffset += Game.Ping / 2;
speed = (speed == -1) ? (int)GameObjects.Player.MoveSpeed : speed;
if (unit == null)
{
unit = GameObjects.Player;
}
var allIntersections = new List <FoundIntersection>();
for (var i = 0; i <= path.Count - 2; i++)
{
var from = path[i];
var to = path[i + 1];
var segmentIntersections = new List <FoundIntersection>();
for (var j = 0; j <= Polygon.Points.Count - 1; j++)
{
var sideStart = Polygon.Points[j];
var sideEnd = Polygon.Points[j == (Polygon.Points.Count - 1) ? 0 : j + 1];
var intersection = from.Intersection(to, sideStart, sideEnd);
if (intersection.Intersects)
{
segmentIntersections.Add(new FoundIntersection(Distance + intersection.Point.Distance(from), (int)((Distance + intersection.Point.Distance(from)) * 1000 / speed), intersection.Point, from));
}
}
var sortedList = segmentIntersections.OrderBy(o => o.Distance).ToList();
allIntersections.AddRange(sortedList);
Distance += from.Distance(to);
}
if (SpellData.Type == SkillShotType.SkillshotMissileLine || SpellData.Type == SkillShotType.SkillshotMissileCone || SpellData.Type == SkillShotType.SkillshotArc)
{
if (IsSafe(Common.Evade.Evade.PlayerPosition))
{
if (allIntersections.Count == 0)
{
return(new SafePathResult(true, new FoundIntersection()));
}
if (SpellData.DontCross)
{
return(new SafePathResult(false, allIntersections[0]));
}
for (var i = 0; i <= allIntersections.Count - 1; i = i + 2)
{
var enterIntersection = allIntersections[i];
var enterIntersectionProjection = enterIntersection.Point.ProjectOn(Start, End).SegmentPoint;
if (i == allIntersections.Count - 1)
{
var missilePositionOnIntersection = GetMissilePosition(enterIntersection.Time - timeOffset);
return(new SafePathResult((End.Distance(missilePositionOnIntersection) + 50 <= End.Distance(enterIntersectionProjection)) && GameObjects.Player.MoveSpeed < SpellData.MissileSpeed, allIntersections[0]));
}
var exitIntersection = allIntersections[i + 1];
var exitIntersectionProjection = exitIntersection.Point.ProjectOn(Start, End).SegmentPoint;
var missilePosOnEnter = GetMissilePosition(enterIntersection.Time - timeOffset);
var missilePosOnExit = GetMissilePosition(exitIntersection.Time + timeOffset);
if (missilePosOnEnter.Distance(End) + 50 > enterIntersectionProjection.Distance(End))
{
if (missilePosOnExit.Distance(End) <= exitIntersectionProjection.Distance(End))
{
return(new SafePathResult(false, allIntersections[0]));
}
}
}
return(new SafePathResult(true, allIntersections[0]));
}
if (allIntersections.Count == 0)
{
return(new SafePathResult(false, new FoundIntersection()));
}
if (allIntersections.Count > 0)
{
var exitIntersection = allIntersections[0];
var exitIntersectionProjection = exitIntersection.Point.ProjectOn(Start, End).SegmentPoint;
var missilePosOnExit = GetMissilePosition(exitIntersection.Time + timeOffset);
if (missilePosOnExit.Distance(End) <= exitIntersectionProjection.Distance(End))
{
return(new SafePathResult(false, allIntersections[0]));
}
}
}
if (IsSafe(Common.Evade.Evade.PlayerPosition))
{
if (allIntersections.Count == 0)
{
return(new SafePathResult(true, new FoundIntersection()));
}
if (SpellData.DontCross)
{
return(new SafePathResult(false, allIntersections[0]));
}
}
else
{
if (allIntersections.Count == 0)
{
return(new SafePathResult(false, new FoundIntersection()));
}
}
var timeToExplode = (SpellData.DontAddExtraDuration ? 0 : SpellData.ExtraDuration) + SpellData.Delay + (int)(1000 * Start.Distance(End) / SpellData.MissileSpeed) - (Utils.TickCount - StartTick);
var myPositionWhenExplodes = path.PositionAfter(timeToExplode, speed, delay);
if (!IsSafe(myPositionWhenExplodes))
{
return(new SafePathResult(false, allIntersections[0]));
}
var myPositionWhenExplodesWithOffset = path.PositionAfter(timeToExplode, speed, timeOffset);
return(new SafePathResult(IsSafe(myPositionWhenExplodesWithOffset), allIntersections[0]));
}
