1 files changed, 28 insertions, 5 deletions

diff --git a/NT/src/rotor.h b/NT/src/rotor.h
index 49d50a1..93b6865 100644
--- a/NT/src/rotor.h
+++ b/NT/src/rotor.h
@@ -9,6 +9,7 @@
 namespace Rotor {
 
 	class Node;
+	template <class NT> class Node_type;
 
 	class Audio_frame{
 		public:
@@ -40,8 +41,9 @@ namespace Rotor {
 	};
 	class Variable { //base type for variable pointers
 		public:
-			virtual void init(std::string s){};
+			virtual void init(std::string s)=0;
 			virtual ~Variable(){};
+			virtual bool connect(Node* target)=0;
 			Node* connection;
 			bool connectable;
 	};
@@ -51,6 +53,15 @@ namespace Rotor {
 				std::istringstream cur(s);
 				cur >> value;
 	    	};
+	    	bool connect(Node* target){
+	    		if (connectable){
+	    			if (dynamic_cast<Node_type<T>*>(target)){
+	    				connection=target;
+	    				return true;
+	    			}
+	    		}
+	    		return false;
+	    	}
 			T* get(Frame_parameters frame);
 			T value;
 	};
@@ -87,6 +98,15 @@ namespace Rotor {
 					}
 				};
 			}
+			bool connect(std::string v,Node *t){
+				auto var=vars.find(v);
+				if (var!=vars.end()){
+					if ((*var).second->connect(t)){
+						return true;
+					}
+				}
+				return false;
+			}
 			template <class IT> IT* create_inlet(std::string name){
 				vars[name]=new Variable_type<IT>();
 				return &((dynamic_cast<Variable_type<IT>*>(vars[name]))->value);
@@ -101,17 +121,20 @@ namespace Rotor {
 		private:
 			double value;
 	};
-	class signal_double: public Node_type<double> {
+	class multiply: public Node_type<double> {
 		public:
-			signal_double(){
+			multiply(){
+				inlet=create_inlet<double>("inlet");
 				value=create_inlet<double>("value");
 			}
 			double* get_output(const Frame_parameters &frame){
-				(*value)*=2.0;
-				return value;
+				result=(*inlet)*(*value);
+				return &result;
 			}
 		private:
+			double *inlet;
 			double *value;
+			double result;
 	};
 
 }