public static IList <Polygon2D> smethod_0(IList <Polygon2D> clip, IList <Polygon2D> subject, Class145.Enum7 fillMode)
{
List <Class145.Class148.Class149> class149s = new List <Class145.Class148.Class149>();
foreach (Polygon2D polygon2D in clip)
{
Class145.smethod_1(polygon2D, 1, class149s);
}
foreach (Polygon2D polygon2D1 in subject)
{
Class145.smethod_1(polygon2D1, 2, class149s);
}
class149s.Sort(Class145.Class148.Class154.class154_0);
Class145.Class148.Class149 class149 = null;
if (class149s.Count > 1)
{
Class145.Class148.Class149 item = class149s[class149s.Count - 1];
for (int i = class149s.Count - 2; i >= 0; i--)
{
Class145.Class148.Class149 item1 = class149s[i];
item1.class149_0 = item;
item = item1;
}
class149 = item;
}
Class145.Class146 class146 = new Class145.Class146();
if (class149 != null)
{
class146.class33_0.Add(class149);
}
class146.method_0();
if (class146.list_0.Count == 0)
{
return(Class145.polygon2D_0);
}
List <Polygon2D> polygon2Ds = new List <Polygon2D>(class146.list_0.Count);
foreach (Class145.Class158 list0 in class146.list_0)
{
if (list0.Count <= 2)
{
continue;
}
polygon2Ds.Add(list0.method_0());
}
if (polygon2Ds.Count == 0)
{
return(Class145.polygon2D_0);
}
return(polygon2Ds);
}
internal static void smethod_1(Polygon2D polygon, byte type, List <Class145.Class148.Class149> localMinimumList)
{
if (polygon.Count == 0)
{
return;
}
Point2D item = polygon[0];
Point2D point2D = item;
int num = 1;
int num1 = 0;
int count = polygon.Count;
while (true)
{
if (num < count)
{
point2D = polygon[num];
num1 = Math.Sign(point2D.Y - item.Y);
if (num1 == 0)
{
num1 = Math.Sign(point2D.X - item.X);
}
if (num1 != 0)
{
num++;
break;
}
else
{
num++;
}
}
else
{
break;
}
}
Class145.Class148 class150 = null;
Action <Class145.Class148> class1480 = null;
while (true)
{
if (num <= count)
{
Point2D item1 = polygon[num % count];
int num2 = Math.Sign(item1.Y - point2D.Y);
if (num2 == 0)
{
num2 = Math.Sign(item1.X - point2D.X);
}
if (num2 != 0)
{
if (num2 == num1)
{
if (num2 <= 0)
{
Class145.Class148 class148 = new Class145.Class148.Class150(point2D);
class1480 = (Class145.Class148 prev) => class148.class148_0 = prev;
class150 = class148;
}
else
{
Class145.Class148 class1501 = new Class145.Class148.Class150(point2D);
class1480 = (Class145.Class148 prev) => prev.class148_0 = class1501;
class150 = class1501;
}
}
else if (num2 <= 0 || num1 >= 0)
{
Class145.Class148.Class151 class151 = new Class145.Class148.Class151(point2D);
Class145.Class148.Class152 class152 = new Class145.Class148.Class152(point2D);
class1480 = (Class145.Class148 prev) => prev.class148_0 = class152;
class150 = class151;
}
else
{
Class145.Class148.Class149 class149 = new Class145.Class148.Class149(point2D);
class1480 = (Class145.Class148 prev) => class149.class148_1 = prev;
class150 = class149;
localMinimumList.Add(class149);
}
num1 = num2;
point2D = item1;
num++;
break;
}
else
{
num++;
}
}
else
{
break;
}
}
int num3 = count + 2;
while (num < num3)
{
Point2D point2D1 = polygon[num % count];
int num4 = Math.Sign(point2D1.Y - point2D.Y);
if (num4 == 0)
{
num4 = Math.Sign(point2D1.X - point2D.X);
}
if (num4 != 0)
{
if (num4 == num1)
{
if (num4 <= 0)
{
class150 = new Class145.Class148.Class150(point2D)
{
class148_0 = class150
};
}
else
{
Class145.Class148 class1481 = new Class145.Class148.Class150(point2D);
class150.class148_0 = class1481;
class150 = class1481;
}
}
else if (num4 <= 0 || num1 >= 0)
{
Class145.Class148.Class151 class1511 = new Class145.Class148.Class151(point2D);
class150.class148_0 = new Class145.Class148.Class152(point2D);
class150 = class1511;
}
else
{
Class145.Class148.Class149 class1491 = new Class145.Class148.Class149(point2D)
{
class148_1 = class150
};
class150 = class1491;
localMinimumList.Add(class1491);
}
num1 = num4;
point2D = point2D1;
}
num++;
}
if (class1480 != null)
{
class1480(class150);
}
}
