#ifndef TXS_VERTEX_GUARD
#define TXS_VERTEX_GUARD

#include <list>
using namespace std;

#include "../ADFCreator_debug_flags.h"
#include "../mathlib/mathlib.h"


// Don't #include TxsFace.h

namespace TXS {

	class TxsFace;

	class TxsVertex
	{
		private:
			Point p;

			/*
			 * A list of faces which are using this vertex.
			 */
			list<TxsFace*> incidentFaces;

			Vector avgNormal;

		public:

			TxsVertex(const Point &p) {
				this->p = p;
			}

			/*
			 * TxsVertex is NOT responsible for freeing f
			 */
			void addIncidentFace(TxsFace* f) {
				this->incidentFaces.push_back(f);
			}

			list<TxsFace*> getIncidentFaces() {
				return this->incidentFaces;
			}

			list<TxsFace*> &getIncidentFacesRef() {
				return this->incidentFaces;
			}

			int getNumIncidentFaces() {
				return (int)this->incidentFaces.size();
			}

			Point getPoint() { return this->p; }

			/*
			 * call this when all incident faces have been collected
			 */
			void calcAvgNormal();

			Vector getAvgNormal() { return this->avgNormal; }
	};
}

#endif /* TXS_VERTEX_GUARD */