diff --git a/src/datatypes.h b/src/datatypes.h
index 797011e..96276f6 100644
--- a/src/datatypes.h
+++ b/src/datatypes.h
@@ -31,54 +31,23 @@ enum Distribution {GEOMETRIC, ROUNDROBIN, RANDOM};
 
 // Types
 
-class GraphItem;
-class Node;
-class Edge;
-class Signal;
+/*class GraphItem;*/
+/*class Node;*/
+/*class Edge;*/
+/*class Signal;*/
 
 #define RANGE_FILTER(L) std::ranges::views::filter(L)
 
-typedef std::shared_ptr<GraphItem> SPTR_GraphItem;
-typedef std::shared_ptr<Node> SPTR_Node;
-typedef std::shared_ptr<Edge> SPTR_Edge;
-
-typedef std::shared_ptr<Signal> SPTR_Signal;
-
-typedef std::vector<SPTR_GraphItem> VEC_SPTR_GraphItem;
-typedef std::vector<SPTR_Node> VEC_SPTR_Node;
-typedef std::vector<SPTR_Edge> VEC_SPTR_Edge;
-typedef std::vector<SPTR_Signal> VEC_SPTR_Signal;
-
-using Vec2Df = VMath::Vec2D<float>;
-
-namespace nlohmann {	
-	template <typename T>
-	struct adl_serializer<std::shared_ptr<T>> {
-		static void to_json(json& j, const std::shared_ptr<T>& opt){
-			if (opt)
-			{
-				j = *opt;
-			}
-			else
-			{
-				j = nullptr;
-			}
-		}
-
-		static void from_json(const json& j, std::shared_ptr<T>& opt){
-			if (j.is_null())
-			{
-				opt = nullptr;
-			}
-			else
-			{
-				opt.reset(new T(j.get<T>()));
-				//opt = j.get<T>();
-			}
-		}
-	};
-}
-
+/*typedef std::shared_ptr<GraphItem> SPTR_GraphItem;*/
+/*typedef std::shared_ptr<Node> SPTR_Node;*/
+/*typedef std::shared_ptr<Edge> SPTR_Edge;*/
+/**/
+/*typedef std::shared_ptr<Signal> SPTR_Signal;*/
+/**/
+/*typedef std::vector<SPTR_GraphItem> VEC_SPTR_GraphItem;*/
+/*typedef std::vector<SPTR_Node> VEC_SPTR_Node;*/
+/*typedef std::vector<SPTR_Edge> VEC_SPTR_Edge;*/
+/*typedef std::vector<SPTR_Signal> VEC_SPTR_Signal;*/
 
 // App Settings
 struct AppSettings{
diff --git a/src/edge.h b/src/edge.h
index 75e5436..b294280 100644
--- a/src/edge.h
+++ b/src/edge.h
@@ -28,9 +28,11 @@ class Edge : public GraphItem{
 			return start == origin ? end : start;
 		}
 
-		void draw(Vec2Df mouse_pos, Camera2D cam) {
-
-		}
+		void draw(Vec2Df mouse_pos, Camera2D cam) {}
 };
 
-NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(Edge, id, start, end, pass_forward, pass_backward)
+
+/*typedef std::shared_ptr<Edge> SPTR_Edge;*/
+/*typedef std::vector<SPTR_Edge> VEC_SPTR_Edge;*/
+
+//NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(Edge, id, start, end, pass_forward, pass_backward)
diff --git a/src/graph-item.h b/src/graph-item.h
index d7c3768..98626b9 100644
--- a/src/graph-item.h
+++ b/src/graph-item.h
@@ -23,4 +23,8 @@ class GraphItem{
 
 };
 
-NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(GraphItem, id, graphItemType, neighbors)
+
+/*typedef std::shared_ptr<GraphItem> SPTR_GraphItem;*/
+/*typedef std::vector<SPTR_GraphItem> VEC_SPTR_GraphItem;*/
+
+//NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(GraphItem, id, graphItemType, neighbors)
diff --git a/src/graph-manager.h b/src/graph-manager.h
index fa28233..3c5b128 100644
--- a/src/graph-manager.h
+++ b/src/graph-manager.h
@@ -8,8 +8,8 @@
 #include "nlohmann/json.hpp"
 
 #include "button.h"
-#include "midi-node.h"
 #include "node.h"
+#include "midi-node.h"
 #include "edge.h"
 
 #include <algorithm>
@@ -22,8 +22,21 @@
 #include <ranges>
 #include <vector>
 
+#include "state-io.h"
+
 using json = nlohmann::json;
 
+typedef std::shared_ptr<GraphItem> SPTR_GraphItem;
+typedef std::shared_ptr<Node> SPTR_Node;
+typedef std::shared_ptr<Edge> SPTR_Edge;
+
+typedef std::shared_ptr<Signal> SPTR_Signal;
+
+typedef std::vector<SPTR_GraphItem> VEC_SPTR_GraphItem;
+typedef std::vector<SPTR_Node> VEC_SPTR_Node;
+typedef std::vector<SPTR_Edge> VEC_SPTR_Edge;
+typedef std::vector<SPTR_Signal> VEC_SPTR_Signal;
+
 class GraphManager{
 
 	public:
@@ -280,14 +293,4 @@ class GraphManager{
 
 };
 
-inline void to_json(json& j, const Node& N) {
-	std::vector<int> conns;
-	std::ranges::transform(N.connections.begin(), N.connections.end(), std::back_inserter(conns), [](SPTR_Edge e){ return e->id;});
-	j = json{{"neighbor", N.neighbor}, {"nodeType", N.nodeType}, {"distributionMode", N.distributionMode}, {"connections", conns}};
-
-}
-inline void from_json(const json& j, Node& N) {
-
-}
-
 NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(GraphManager, nodes, edges)
diff --git a/src/main.cpp b/src/main.cpp
index cf04797..bc58ddb 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -83,7 +83,6 @@ int main(){
 		app.gm.addConnection(app.gm.nodes[i], app.gm.nodes[(i+1) % 8]);
 	}
 
-	std::cout << std::setw(2) << json(app.gm) << std::endl;
 
     app.sm.addSignalAtNode(app.gm.nodes.front());	
 	app.sm.startSignalThread();
@@ -96,6 +95,7 @@ int main(){
 
 	VEC_SPTR_Node copied_nodes;
 	
+	
 	while(!WindowShouldClose()){
 
         BeginDrawing();
@@ -390,6 +390,8 @@ int main(){
 		EndDrawing();
 	}
 
+	std::cout << std::setw(4) << json(app.gm) << std::endl;
+	
 	CloseWindow();
 
 	return 0;
diff --git a/src/midi-node.h b/src/midi-node.h
index 2108ad3..682261f 100644
--- a/src/midi-node.h
+++ b/src/midi-node.h
@@ -13,7 +13,7 @@ struct NodeMidiOut{
 	bool enabled;
 };
 
-NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(NodeMidiOut, i, name, enabled)
+//NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(NodeMidiOut, i, name, enabled)
 
 class MidiNode : public Node{
 
@@ -169,4 +169,4 @@ class MidiNode : public Node{
 	}
 };
 
-NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(MidiNode, id, nodeType, send_note, send_cc, send_pc, send_pitch_bend, midi_outs, mode, midi_note_channel, midi_note, midi_velocity, midi_gate, midi_cc_channel, midi_cc, midi_cc_value, midi_pc_channel, midi_pc, midi_pc_value, midi_pitch_bend_channel, midi_pitch_bend)
+//NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(MidiNode, id, nodeType, send_note, send_cc, send_pc, send_pitch_bend, midi_outs, mode, midi_note_channel, midi_note, midi_velocity, midi_gate, midi_cc_channel, midi_cc, midi_cc_value, midi_pc_channel, midi_pc, midi_pc_value, midi_pitch_bend_channel, midi_pitch_bend)
diff --git a/src/moveable.h b/src/moveable.h
index e846551..6efc10d 100644
--- a/src/moveable.h
+++ b/src/moveable.h
@@ -42,4 +42,4 @@ class Movable{
 	/*}*/
 };
 
-NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(Movable, position, direction, speed)
+//NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(Movable, position, direction, speed)
diff --git a/src/node.h b/src/node.h
index 61a82ec..6d8d9a2 100644
--- a/src/node.h
+++ b/src/node.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <memory>
 #include <raylib.h>
 
 #include "nlohmann/json.hpp"
@@ -8,6 +9,11 @@
 #include "graph-item.h"
 #include "moveable.h"
 
+class Edge;
+
+typedef std::shared_ptr<Edge> SPTR_Edge;
+typedef std::vector<SPTR_Edge> VEC_SPTR_Edge;
+
 class Node : public Movable, public GraphItem{
 
 	public:
@@ -17,7 +23,7 @@ class Node : public Movable, public GraphItem{
 
 	NodeType nodeType;
 
-	SPTR_Node neighbor;
+	std::shared_ptr<Node> neighbor;
 	
 	VEC_SPTR_Edge connections;
 
@@ -35,6 +41,10 @@ class Node : public Movable, public GraphItem{
 	void draw(Vec2Df mouse_pos, Camera2D cam) override {}
 };
 
+typedef std::shared_ptr<Node> SPTR_Node;
+typedef std::vector<SPTR_Node> VEC_SPTR_Node;
+
+
 /*inline void to_json(json& j, const std::shared_ptr<Node>& N){*/
 /*	j = json{{"id", N->id}, {"nodeType",N->nodeType}};*/
 /*}*/
diff --git a/src/signal.h b/src/signal.h
index e91565b..f487261 100644
--- a/src/signal.h
+++ b/src/signal.h
@@ -1,10 +1,12 @@
 #pragma once
 
 #include <raylib.h>
-
 #include "datatypes.h"
 #include "moveable.h"
 
+#include "node.h"
+#include "edge.h"
+
 class Signal : public Movable{
 	public:
 
diff --git a/src/state-io.h b/src/state-io.h
new file mode 100644
index 0000000..734373b
--- /dev/null
+++ b/src/state-io.h
@@ -0,0 +1,97 @@
+#pragma once
+
+#include "midi-node.h"
+#include "graph-item.h"
+#include "node.h"
+#include "edge.h"
+#include "graph-manager.h"
+
+#include "datatypes.h"
+
+#include <memory>
+
+/*namespace nlohmann {	*/
+/*	template <typename T>*/
+/*	struct adl_serializer<std::shared_ptr<T>> {*/
+/*		static void to_json(json& j, const std::shared_ptr<T>& opt){*/
+/*			if (opt)*/
+/*			{*/
+/*				j = *opt;*/
+/*			}*/
+/*			else*/
+/*			{*/
+/*				j = nullptr;*/
+/*			}*/
+/*		}*/
+/**/
+/*		static void from_json(const json& j, std::shared_ptr<T>& opt){*/
+/*			if (j.is_null())*/
+/*			{*/
+/*				opt = nullptr;*/
+/*			}*/
+/*			else*/
+/*			{*/
+/*				opt.reset(new T(j.get<T>()));*/
+/*				//opt = j.get<T>();*/
+/*			}*/
+/*		}*/
+/*	};*/
+/*}*/
+
+
+
+inline void to_json(json& j, const Edge& E){
+	j = json{{"id",E.id}, {"start", E.start->id}, {"end",E.end->id}, {"pass_forward",E.pass_forward}, {"pass_backward", E.pass_backward}}; 
+}
+
+inline void to_json(json& j, const SPTR_Edge& E){
+	j = *E; 
+}
+
+inline void to_json(json& j, const MidiNode& N){
+	std::vector<int> conns;
+	std::ranges::transform(N.connections.begin(), N.connections.end(), std::back_inserter(conns), [](SPTR_Edge e){ return e->id;});
+	j = json{{"id", N.id}, {"position", N.position}, {"distributionMode", N.distributionMode},
+		{"midi_note_channel",N.midi_note_channel},
+		{"midi_velocity",N.midi_velocity},
+		{"midi_gatel",N.midi_gate},
+		{"midi_cc_channel",N.midi_cc_channel},
+		{"midi_cc",N.midi_cc},
+		{"midi_cc_value",N.midi_cc_value},
+		{"midi_pc_channel",N.midi_pc_channel},
+		{"midi_pc_value",N.midi_pc_value},
+		{"midi_pitch_bend_channel",N.midi_pitch_bend_channel},
+		{"midi_pitch_bend",N.midi_pitch_bend},
+		{"connections",conns}};
+}
+
+inline void to_json(json& j, const std::shared_ptr<MidiNode>& N){
+	j = *N;
+}
+
+inline void to_json(json& j, const GraphItem& G){
+	j = json{{"id", G.id}, {"type", G.graphItemType}};
+}
+
+inline void to_json(json& j, const SPTR_GraphItem& G){
+	j = *G; 
+}
+
+inline void to_json(json& j, const MidiOutPort MO){
+	j = json{{"port_id", MO.number}, {"enabled", MO.enabled}};
+}
+
+inline void to_json(json& j, const NodeMidiOut MO){
+	j = json{{"port_id", MO.i}, {"enabled", MO.enabled}, {"name", MO.name}};
+}
+
+inline void to_json(json& j, const Node& N){
+	if(N.nodeType == NodeType::MIDINODE){
+		j = dynamic_cast<const MidiNode&>(N);
+	}
+}
+
+inline void to_json(json& j, const std::shared_ptr<Node>& N){
+	j = *N;
+}
+
diff --git a/src/vmath.h b/src/vmath.h
index 8dd9124..39d34a8 100644
--- a/src/vmath.h
+++ b/src/vmath.h
@@ -156,5 +156,6 @@ namespace VMath{
 	Vec2D<T> polarToCartesian(T r, T q) {
 		return Vec2D<T>{r * cos(q), r * sin(q)};
 	}
-
 }
+
+using Vec2Df = VMath::Vec2D<float>;