partial reload from json working, but edges make problems

src/graph-manager.h

@@ -284,6 +284,6 @@ namespace VISEQ::GRAPH {
 	}
 	
 	inline void from_json(const json& j, GraphManager& G){
-		j.at("nodes").get_to(G.nodes); // = json{{"nodes", G.nodes}, {"edges", G.edges}};
+		j.at("nodes").template get_to<VEC_SPTR_Node>(G.nodes); // = json{{"nodes", G.nodes}, {"edges", G.edges}};
 	}
 }

src/main.cpp

@@ -7,6 +7,7 @@
 */
 
 #include "graph-manager.h"
+#include "node.h"
 #include "vmath.h"
 #include <filesystem>
 #include <fstream>
@@ -82,7 +83,24 @@ int main(){
 		std::ifstream f("state.json");
 		json graph = json::parse(f);
 
-		app.gm = graph["graphmanager"].template get<VISEQ::GRAPH::GraphManager>();
+//		app.gm = graph["graphmanager"].get<VISEQ::GRAPH::GraphManager>();
+		for(auto n : graph.at("graphmanager").at("nodes")){
+			std::shared_ptr<MidiNode> mn = n;
+			app.gm.nodes.push_back(mn);
+			/*app.gm.addMidiNode(n.at("position").get<Vec2Df>());*/
+			/*app.gm.nodes.back().midi_note_channel = n.at("midi_note_channel").get<int>();*/
+		}
+
+		for(auto e : graph.at("graphmanager").at("edges")){
+			int start_id = e.at("start").get<int>();
+			int end_id = e.at("end").get<int>();
+
+			VEC_SPTR_Node start = app.gm.nodes | RANGE_FILTER([start_id](SPTR_Node n){return n->id == start_id;}) | std::ranges::to<VEC_SPTR_Node>();			
+			VEC_SPTR_Node end = app.gm.nodes | RANGE_FILTER([end_id](SPTR_Node n){return n->id == end_id;}) | std::ranges::to<VEC_SPTR_Node>();
+
+			if(!start.empty() && !end.empty()) app.gm.addConnection(start.front(), end.front());
+
+		}
 		
 	} else {
 		for(int i = 0; i < 4; ++i){
@@ -403,8 +421,8 @@ int main(){
 		EndDrawing();
 	}
 
-	std::ofstream file("state.json");
-	file << json(app);
+	//std::ofstream file("state.json");
+	//file << json(app);
 
  	std::cout << std::setw(4) << json(app) << std::endl;
 	

src/state-io.h

@@ -69,8 +69,10 @@ namespace VISEQ::GRAPH::NODES {
 	}
 
 	inline void from_json(const json& j, MidiNode& N){
+		std::cout << "MidiNode" << std::endl;
+
 		j.at("id").get_to(N.id);
-		j.at("position").get_to(N.position);
+		j.at("position").get_to<Vec2Df>(N.position);
 		j.at("distributionMode").get_to(N.distributionMode);
 		j.at("nodeType").get_to(N.nodeType);
 		j.at("midi_note_channel").get_to(N.midi_note_channel);
@@ -94,6 +96,10 @@ namespace VISEQ::GRAPH::NODES {
 	inline void from_json(const json& j, std::shared_ptr<MidiNode>& N){
 		N.reset(new MidiNode(j.get<MidiNode>()));
 	}
+	
+	inline void to_json(json& j, const MidiNode::NodeMidiOut& MO){
+		j = json{{"port_id", MO.i}, {"enabled", MO.enabled}, {"name", MO.name}};
+	}
 
 
 	/* ------------------- NODE ---------------------- */
@@ -111,23 +117,14 @@ namespace VISEQ::GRAPH::NODES {
 			std::cout << j.at("nodeType") << std::endl;
 			N = j.template get<MidiNode>();
 		}
-
-		/*j.at("id").get_to(N.id);*/
-		/*j.at("position").get_to(N.position);*/
-		/*j.at("distributionMode").get_to(N.distributionMode);*/
-		/*j.at("nodeType").get_to(N.nodeType);*/
-		//j.at("connections").get_to(N.connections);
 	}
 
 	inline void to_json(json& j, const SPTR_Node& N){
 		j = *N;
 	}
-
-	inline void to_json(json& j, const MidiNode::NodeMidiOut MO){
-		j = json{{"port_id", MO.i}, {"enabled", MO.enabled}, {"name", MO.name}};
-	}
 	
 	inline void from_json(const json& j, std::shared_ptr<Node>& N){
+		std::cout << "SPTR_Node" << std::endl;
 		N.reset(new Node(j.get<Node>()));
 	}
 
@@ -136,6 +133,7 @@ namespace VISEQ::GRAPH::NODES {
 
 namespace VISEQ::GRAPH {
 	inline void to_json(json& j, const GraphItem& G){
+		std::cout << "Movable" << std::endl;
 		j = json{{"id", G.id}, {"type", G.graphItemType}};
 	}
 
@@ -146,12 +144,22 @@ namespace VISEQ::GRAPH {
 
 namespace VISEQ::BASE{
 	inline void to_json(json& j, const Movable& G){
+		std::cout << "Movable" << std::endl;
 		j = json{{"position", G.position}};
 	}
 
 	inline void to_json(json& j, const std::shared_ptr<Movable>& G){
 		j = *G; 
 	}
+	
+	inline void from_json(const json& j, Movable& G){
+		std::cout << "Movable" << std::endl;
+	//	j = json{{"position", G.position}};
+	}
+
+	inline void from_json(json& j, const std::shared_ptr<Movable>& G){
+	//	j = *G; 
+	}
 }
 
 namespace VISEQ::SIGNAL{
@@ -163,11 +171,3 @@ namespace VISEQ::SIGNAL{
 		j = *G; 
 	}
 }
-
-namespace VISEQ::MIDI {
-	inline void to_json(json& j, const MidiOutPort MO){
-		j = json{{"port_id", MO.number}, {"enabled", MO.enabled}};
-	}
-}
-
-

src/vmath.h

@@ -2,6 +2,7 @@
 
 #include "raylib.h"
 #include <cmath>
+#include <iostream>
 
 #include "nlohmann/json.hpp"
 
@@ -107,12 +108,13 @@ namespace VISEQ::VMATH{
 	};
 
 	template<typename T>
-	void to_json(json& j, const Vec2D<T> V){
+	void to_json(json& j, const Vec2D<T>& V){
 		j = json{{"x",V.x},{"y",V.y}};
 	}
 	
 	template<typename T>
-	void from_json(const json& j, Vec2D<T> V){
+	void from_json(const json& j, Vec2D<T>& V){
+		std::cout << "Vec2D" << std::endl;
 		j.at("x").get_to(V.x);
 		j.at("y").get_to(V.y);
 	}