heavy restructuring with smart pointers, not finished

src/edge.h

@@ -0,0 +1,30 @@
+#pragma once
+
+#include "graph-item.h"
+#include <memory>
+
+class Node;
+
+class Edge : public GraphItem{
+
+	public:
+		Edge(std::shared_ptr<Node> start, std::shared_ptr<Node> end) : start(start), end(end) {}
+
+		std::shared_ptr<Node> start;
+		std::shared_ptr<Node> end;
+
+		bool pass_forward = true;
+		bool pass_backward = true;
+	
+		bool active = false;
+		bool remove = false;
+		bool config = false;
+		bool split = false;
+
+		float connector_offset = 8.0f;
+		float switches_offset = 25.0f;
+
+		std::shared_ptr<Node> getNextNode(std::shared_ptr<Node> origin){
+			return start == origin ? end : start;
+		}
+};