private void method_1(List <Class25> vertexList, ref Class21 class21_0)
{
for (int i = vertexList.Count - 1; i >= 0; i--)
{
this.vmethod_0(null, null);
Class25 @class = vertexList[i];
try
{
if (@class.method_2().Count != 0)
{
List <Class23> list = class21_0.method_7(@class);
if (list != null)
{
if (list.Count < 3)
{
this.list_1.Add(@class);
}
else
{
List <Class13> list2 = new List <Class13>();
for (int j = 0; j < list.Count; j++)
{
Class13 class2 = new Class13(list[j].method_0(), list[j].method_2(), @class);
list2.Add(class2);
Class13 class3 = list[j].method_4()[0];
Class13 class4 = list[j].method_4()[1];
for (int k = 0; k < class3.method_10().Count; k++)
{
Class25 class5 = class3.method_10()[k];
if (!(class5 == @class) && !class4.method_15(class5) && class2.method_15(class5))
{
class2.method_10().Add(class5);
class5.method_2().Add(class2);
}
}
for (int l = 0; l < class4.method_10().Count; l++)
{
Class25 class6 = class4.method_10()[l];
if (!(class6 == @class) && class2.method_15(class6))
{
class2.method_10().Add(class6);
class6.method_2().Add(class2);
}
}
class2.method_8()[2] = class4;
if (class4.method_6() == list[j].method_0() && class4.method_4() == list[j].method_2())
{
class4.method_8()[0] = class2;
}
if (class4.method_2() == list[j].method_0() && class4.method_6() == list[j].method_2())
{
class4.method_8()[1] = class2;
}
if (class4.method_4() == list[j].method_0() && class4.method_2() == list[j].method_2())
{
class4.method_8()[2] = class2;
}
}
list2[0].method_8()[0] = list2[1];
list2[0].method_8()[1] = list2[list2.Count - 1];
for (int m = 1; m < list2.Count - 1; m++)
{
list2[m].method_8()[0] = list2[m + 1];
list2[m].method_8()[1] = list2[m - 1];
}
list2[list2.Count - 1].method_8()[0] = list2[0];
list2[list2.Count - 1].method_8()[1] = list2[list2.Count - 2];
for (int n = 0; n < @class.method_2().Count; n++)
{
@class.method_2()[n].method_1(false);
}
class21_0.method_0().AddRange(list2);
}
}
}
}
catch (System.Exception ex)
{
this.list_1.Add(@class);
}
}
}