private void GetRoundedCornerPoints(List <Vector2> points, EdgeControl.EdgeCornerSweepValues corner, Direction closestPortDirection)
{
int num = Mathf.CeilToInt((float)Math.Abs(corner.sweepAngle * 4.0));
int num2 = Math.Sign(corner.sweepAngle);
bool flag = closestPortDirection == Direction.Input;
int i = 0;
while (i < num)
{
float num3 = (float)((!flag) ? i : (i - num));
double num4 = corner.startAngle + (double)((float)num2 * num3 / 4f);
float num5 = (float)((double)corner.circleCenter.x + Math.Cos(num4) * (double)corner.radius);
float num6 = (float)((double)corner.circleCenter.y + Math.Sin(num4) * (double)corner.radius);
if (i == 0 && flag)
{
if (this.orientation == Orientation.Horizontal)
{
if (corner.sweepAngle < 0.0 && points[points.Count - 1].y > num6)
{
goto IL_1B4;
}
if (corner.sweepAngle >= 0.0 && points[points.Count - 1].y < num6)
{
goto IL_1B4;
}
}
else
{
if (corner.sweepAngle < 0.0 && points[points.Count - 1].x < num5)
{
goto IL_1B4;
}
if (corner.sweepAngle >= 0.0 && points[points.Count - 1].x > num5)
{
goto IL_1B4;
}
}
goto IL_1A4;
}
goto IL_1A4;
IL_1B4:
i++;
continue;
IL_1A4:
points.Add(new Vector2(num5, num6));
goto IL_1B4;
}
}
private EdgeControl.EdgeCornerSweepValues GetCornerSweepValues(Vector2 p1, Vector2 cornerPoint, Vector2 p2, float diameter, Direction closestPortDirection)
{
EdgeControl.EdgeCornerSweepValues result = default(EdgeControl.EdgeCornerSweepValues);
result.radius = diameter / 2f;
Vector2 normalized = (cornerPoint - p1).normalized;
Vector2 vector = normalized * diameter;
float x = vector.x;
float y = vector.y;
Vector2 normalized2 = (cornerPoint - p2).normalized;
Vector2 vector2 = normalized2 * diameter;
float x2 = vector2.x;
float y2 = vector2.y;
float num = (float)(Math.Atan2((double)y, (double)x) - Math.Atan2((double)y2, (double)x2)) / 2f;
float num2 = (float)Math.Abs(Math.Tan((double)num));
float num3 = result.radius / num2;
if (num3 > diameter)
{
num3 = diameter;
result.radius = diameter * num2;
}
result.crossPoint1 = cornerPoint - normalized * num3;
result.crossPoint2 = cornerPoint - normalized2 * num3;
result.circleCenter = this.GetCornerCircleCenter(cornerPoint, result.crossPoint1, result.crossPoint2, num3, result.radius);
result.startAngle = Math.Atan2((double)(result.crossPoint1.y - result.circleCenter.y), (double)(result.crossPoint1.x - result.circleCenter.x));
result.endAngle = Math.Atan2((double)(result.crossPoint2.y - result.circleCenter.y), (double)(result.crossPoint2.x - result.circleCenter.x));
result.sweepAngle = result.endAngle - result.startAngle;
if (closestPortDirection == Direction.Input)
{
double endAngle = result.endAngle;
result.endAngle = result.startAngle;
result.startAngle = endAngle;
}
if (result.sweepAngle > 3.1415926535897931)
{
result.sweepAngle = -6.2831853071795862 + result.sweepAngle;
}
else if (result.sweepAngle < -3.1415926535897931)
{
result.sweepAngle = 6.2831853071795862 + result.sweepAngle;
}
return(result);
}
private void ValidateCornerSweepValues(ref EdgeControl.EdgeCornerSweepValues corner1, ref EdgeControl.EdgeCornerSweepValues corner2)
{
Vector2 b = (corner1.circleCenter + corner2.circleCenter) / 2f;
Vector2 vector = corner1.circleCenter - corner1.crossPoint1;
Vector2 vector2 = corner1.circleCenter - b;
double num = (this.orientation != Orientation.Horizontal) ? (Math.Atan2((double)vector.x, (double)vector.y) - Math.Atan2((double)vector2.x, (double)vector2.y)) : (Math.Atan2((double)vector.y, (double)vector.x) - Math.Atan2((double)vector2.y, (double)vector2.x));
num = (double)((float)(Math.Sign(num) * 2) * 3.14159274f) - num;
if ((double)Mathf.Abs((float)num) > 4.71238911151886)
{
num = (double)((float)(-1 * Math.Sign(num) * 2) * 3.14159274f) + num;
}
float magnitude = vector2.magnitude;
float num2 = Mathf.Acos(corner1.radius / magnitude);
float a = Mathf.Abs((float)corner1.sweepAngle) - num2 * 2f;
if (Mathf.Abs((float)num) < Mathf.Abs((float)corner1.sweepAngle))
{
corner1.sweepAngle = (double)((float)Math.Sign(corner1.sweepAngle) * Mathf.Min(a, Mathf.Abs((float)corner1.sweepAngle)));
corner2.sweepAngle = (double)((float)Math.Sign(corner2.sweepAngle) * Mathf.Min(a, Mathf.Abs((float)corner2.sweepAngle)));
}
}
protected virtual void UpdateRenderPoints()
{
this.ComputeControlPoints();
if (this.m_RenderPointsDirty || this.m_ControlPoints == null)
{
this.m_RenderPointsDirty = false;
this.m_MeshDirty = true;
this.m_RenderPoints.Clear();
float num = 16f;
Vector2 vector = base.parent.ChangeCoordinatesTo(this, this.m_ControlPoints[0]);
Vector2 vector2 = base.parent.ChangeCoordinatesTo(this, this.m_ControlPoints[1]);
Vector2 vector3 = base.parent.ChangeCoordinatesTo(this, this.m_ControlPoints[2]);
Vector2 vector4 = base.parent.ChangeCoordinatesTo(this, this.m_ControlPoints[3]);
if ((this.orientation == Orientation.Horizontal && Mathf.Abs(vector.y - vector4.y) < 2f && vector.x + 12f < vector4.x - 12f) || (this.orientation == Orientation.Vertical && Mathf.Abs(vector.x - vector4.x) < 2f && vector.y + 12f < vector4.y - 12f))
{
float num2 = (this.orientation != Orientation.Horizontal) ? Mathf.Abs(vector.y + 12f - (vector4.y - 12f)) : Mathf.Abs(vector.x + 12f - (vector4.x - 12f));
float a = num2 / 5f;
float num3 = Mathf.Min(a, num);
num3 = Mathf.Max(0f, num3);
Vector2 b = (this.orientation != Orientation.Horizontal) ? new Vector2(0f, num - num3) : new Vector2(num - num3, 0f);
this.m_RenderPoints.Add(vector);
this.m_RenderPoints.Add(vector2 - b);
this.m_RenderPoints.Add(vector3 + b);
this.m_RenderPoints.Add(vector4);
}
else
{
this.m_RenderPoints.Add(vector);
EdgeControl.EdgeCornerSweepValues cornerSweepValues = this.GetCornerSweepValues(vector, vector2, vector3, num, Direction.Output);
EdgeControl.EdgeCornerSweepValues cornerSweepValues2 = this.GetCornerSweepValues(vector2, vector3, vector4, num, Direction.Input);
this.ValidateCornerSweepValues(ref cornerSweepValues, ref cornerSweepValues2);
this.GetRoundedCornerPoints(this.m_RenderPoints, cornerSweepValues, Direction.Output);
this.GetRoundedCornerPoints(this.m_RenderPoints, cornerSweepValues2, Direction.Input);
this.m_RenderPoints.Add(vector4);
}
}
}