Define the wire class

Fix the pointers in gate

src/gate.cpp

@@ -1 +1,5 @@
+#include "gate.h"
 
+gate::gate()
+{
+}

src/gate.h

@@ -8,7 +8,7 @@ class gate {
 		virtual int evaluate() = 0;
 
 	protected:
-		wire* in1, in2, out;
+		wire *in1, *in2, *out;
 		int delay;
 };
 

src/wire.cpp

@@ -0,0 +1,37 @@
+#include "wire.h"
+
+wire::wire(int number, bool io, string inName)
+{
+	wireNumber = number;
+	isInput = io;
+	name = inName;
+	value = -1;
+	lastEvent = 0;
+}
+
+int wire::getValue(int time) const
+{
+	return history[time];
+}
+
+void wire::setValue(int newValue, int setTime)
+{
+	while (setTime < 60 && 
+	  (history[setTime] == -1 || history[setTime] == history[setTime+1])) {
+		history[setTime] = newValue;
+		if (lastEvent < setTime) {
+			lastEvent = setTime;
+		}
+		setTime++;
+	}
+}
+
+int wire::getNumber() const
+{
+	return wireNumber;
+}
+
+void wire::addGate(gate * newGate)
+{
+	gates.push_back(newGate);
+}

src/wire.h

@@ -5,20 +5,23 @@
 #include <queue>
 #include <string>
 
+using namespace std;
+
 class gate;
 
 class wire {
 	public:
-		wire(int number, bool io, string name = "");
+		wire(int number, bool io, string inName = "");
 
-		int getState() const;
-		void setState(bool newValue, int setTime);
+		int getValue(int time) const;
+		void setValue(int newValue, int setTime);
 
 		int getNumber() const;
 		void addGate(gate* newGate);
 
 	private:
-		int wireNumber, value;
+		int wireNumber, value, lastEvent;
+		vector<int> history (60, -1);
 		string name;
 		bool isInput;
 		vector<gate*> gates;