public void method_5(VattiClipper2I.Class200 edge1, VattiClipper2I.Class200 edge2)
{
VattiClipper2I.Class197 resultPolygon1 = edge1.ResultPolygon;
VattiClipper2I.Class197 resultPolygon2 = edge2.ResultPolygon;
int num;
for (num = Vector2I.CompareAngles(new Vector2I(edge1.Edge.Dx, edge1.Edge.Dy), new Vector2I(edge2.Edge.Dx, edge2.Edge.Dy)); num == 0 && (edge1.Previous != null && edge2.Previous != null); num = Vector2I.CompareAngles(new Vector2I(edge1.Edge.Dx, edge1.Edge.Dy), new Vector2I(edge2.Edge.Dx, edge2.Edge.Dy)))
{
Point2I endPoint = new Point2I(edge1.XBottom + edge1.Edge.Dx, edge1.Edge.YTop);
Point2I startPoint1 = new Point2I(edge1.XBottom, edge1.Edge.YTop - edge1.Edge.Dy);
VattiClipper2I.Class195.smethod_0(resultPolygon1, startPoint1, endPoint);
Point2I startPoint2 = new Point2I(edge2.XBottom, edge2.Edge.YTop - edge2.Edge.Dy);
VattiClipper2I.Class195.smethod_0(resultPolygon2, startPoint2, endPoint);
edge1 = edge1.Previous;
edge2 = edge2.Previous;
}
if (num < 0)
{
for (LinkedListNode <Point2I> linkedListNode = resultPolygon1.Last; linkedListNode != null; linkedListNode = linkedListNode.Previous)
{
resultPolygon2.AddFirst(linkedListNode.Value);
}
}
else if (num >= 0)
{
foreach (Point2I point2I in (LinkedList <Point2I>)resultPolygon1)
{
resultPolygon2.AddLast(point2I);
}
}
edge1.Previous.ResultPolygon = resultPolygon2;
}
private void method_3()
{
VattiClipper2I.Class200 left = (VattiClipper2I.Class200)null;
for (int index = 0; index < this.list_0.Count; ++index)
{
VattiClipper2I.Class200 right = this.list_0[index];
if (right.Edge.YTop - right.Edge.Dy == this.int_0)
{
if (left == null)
{
if (right.Edge.Side == (byte)1)
{
left = right;
}
}
else if (right.Edge.Side == (byte)2)
{
int xbottom = left.XBottom;
if (left.Edge.Dy == 0)
{
System.Math.Min(xbottom, xbottom + left.Edge.Dx);
}
int num = right.XBottom;
if (right.Edge.Dy == 0)
{
num = System.Math.Min(num, num + right.Edge.Dx);
}
this.method_4(left, right, new Point2I(num, this.int_0));
left = (VattiClipper2I.Class200)null;
}
}
}
}
public void method_1(VattiClipper2I.Class191 localMinimum)
{
this.class196_0.Y = this.int_0;
VattiClipper2I.Class200 edge1 = new VattiClipper2I.Class200()
{
Edge = localMinimum.Left
};
this.list_0.Insert(this.list_0.BinarySearch(edge1, (IComparer <VattiClipper2I.Class200>) this.class196_0), edge1);
VattiClipper2I.Class199 class199 = localMinimum.Right;
while (class199.Dy == 0)
{
class199 = class199.Successor;
}
VattiClipper2I.Class200 edge2 = (VattiClipper2I.Class200)null;
if (class199 != null)
{
edge2 = new VattiClipper2I.Class200()
{
Edge = class199
};
this.list_0.Insert(this.list_0.BinarySearch(edge2, (IComparer <VattiClipper2I.Class200>) this.class196_0), edge2);
}
this.class35_0.Add((VattiClipper2I.Class192) new VattiClipper2I.Class194(edge1));
if (edge2 == null)
{
return;
}
this.class35_0.Add((VattiClipper2I.Class192) new VattiClipper2I.Class194(edge2));
}
private void method_0(
VattiClipper2I.Class200 e,
bool oddEqualTypeEdgeCount,
bool oddUnequalTypeEdgeCount,
ref VattiClipper2I.Class197 outputPolygon)
{
if (e.Edge.Side == (byte)0)
{
e.Edge.Side = oddEqualTypeEdgeCount ? (byte)1 : (byte)2;
if (!oddUnequalTypeEdgeCount)
{
return;
}
if (outputPolygon == null)
{
outputPolygon = new VattiClipper2I.Class197();
outputPolygon.AddFirst(new Point2I(e.Edge.XBottom, this.class191_0.Y));
e.ResultPolygon = outputPolygon;
}
else
{
if (e.Edge.XBottom != outputPolygon.First.Value.X)
{
outputPolygon.AddLast(new Point2I(e.Edge.XBottom, this.class191_0.Y));
}
e.ResultPolygon = outputPolygon;
outputPolygon = (VattiClipper2I.Class197)null;
}
}
else
{
if (!oddUnequalTypeEdgeCount)
{
return;
}
int x = (int)System.Math.Round(e.Edge.method_1(this.class191_0.Y));
if (outputPolygon == null)
{
outputPolygon = new VattiClipper2I.Class197();
outputPolygon.AddFirst(new Point2I(x, this.class191_0.Y));
}
else
{
if (x != outputPolygon.First.Value.X)
{
outputPolygon.AddLast(new Point2I(x, this.class191_0.Y));
}
outputPolygon = (VattiClipper2I.Class197)null;
}
}
}
public VattiClipper2I.Class197 method_4(
VattiClipper2I.Class200 left,
VattiClipper2I.Class200 right,
Point2I p)
{
VattiClipper2I.Class198 class198 = new VattiClipper2I.Class198()
{
Position = p
};
VattiClipper2I.Class197 class197 = new VattiClipper2I.Class197()
{
Left = class198, Right = class198
};
class197.AddLast(p);
left.ResultPolygon = class197;
right.ResultPolygon = class197;
return(class197);
}
public void method_6(
VattiClipper2I.Class200 edge,
VattiClipper2I.Class200 nextEdge,
Point2I p)
{
if (edge.Edge.Side == (byte)1)
{
edge.method_0(p);
}
else if (edge.Edge.Side == (byte)2)
{
edge.method_1(p);
}
if (edge.ResultPolygon == null || nextEdge.ResultPolygon == null || edge.ResultPolygon == nextEdge.ResultPolygon)
{
return;
}
this.method_5(edge, nextEdge);
}
public void method_2(VattiClipper2I.Class200 activeEdge)
{
if (activeEdge.Edge.Successor == null)
{
this.list_0.Remove(activeEdge);
}
else
{
VattiClipper2I.Class199 successor = activeEdge.Edge.Successor;
while (successor != null && successor.Dy == 0)
{
successor = activeEdge.Edge.Successor;
}
if (successor == null)
{
this.list_0.Remove(activeEdge);
}
else
{
activeEdge.Edge = activeEdge.Edge.Successor;
this.class35_0.Add((VattiClipper2I.Class192) new VattiClipper2I.Class194(activeEdge));
}
}
}
public override void vmethod_0(
VattiClipper2I.Class35 eventQueue,
VattiClipper2I.Class195 scanBeam)
{
scanBeam.method_1(this.class191_0);
for (VattiClipper2I.Class191 localMinimum = this.class191_0; localMinimum.Next != null; localMinimum = localMinimum.Next)
{
if (localMinimum.Y == localMinimum.Next.Y)
{
scanBeam.method_1(localMinimum);
}
else
{
scanBeam.EventQueue.Add(localMinimum.Next);
break;
}
}
bool flag1 = false;
bool flag2 = false;
VattiClipper2I.Class197 outputPolygon = (VattiClipper2I.Class197)null;
for (int index = 0; index < scanBeam.ActiveEdges.Count; ++index)
{
VattiClipper2I.Class200 activeEdge = scanBeam.ActiveEdges[index];
if (activeEdge.Edge.Type == (byte)1)
{
this.method_0(activeEdge, flag1, flag2, ref outputPolygon);
flag1 = !flag1;
}
else
{
this.method_0(activeEdge, flag2, flag1, ref outputPolygon);
flag2 = !flag2;
}
}
}
public Class194(VattiClipper2I.Class200 edge)
: base(edge.Edge.YTop)
{
this.class200_0 = edge;
}