Updated generation of lots

src/modules/stream/contours.cpp

@@ -0,0 +1,30 @@
+#include <core/object.h>
+#include "contours.h"
+
+Contours *Contours::singleton = nullptr;
+
+Contours *Contours::get_singleton()
+{
+	if (!singleton)
+		singleton = memnew(Contours);
+	return singleton;
+}
+
+Contours::Contours()
+{
+}
+
+Contours::~Contours()
+{
+}
+
+bool Contours::is_in_closed_contour(const struct wedge *w)
+{
+	int i, j;
+	bool found = false;
+	for (i = 0; i < (int)wedge_contours.size(); i++)
+		for (j = 0; j < (int)wedge_contours[i].size(); j++)
+			if (wedge_contours[i][j] == w)
+				return true;
+	return false;
+}