#ifndef _LWPOLYGON_H_
#define _LWPOLYGON_H_

#include "lwo.h"

class lwPolygon {
public:
	lwPolygon()
	{
	}

	lwPolygon(const lwPolygon &p)
	{
		surface = p.surface;
		surfidx = p.surfidx;
		part = p.part;
		smoothgrp = p.smoothgrp;
		flags = p.flags;
		type = p.type;
		normal = p.normal;
	}

	~lwPolygon()
	{
		for (unsigned int i=0; i < vertices.size(); delete vertices[i++]);
	}

	Vector3      &calculateNormal(void);
	vpolygons     triangulate(void);
	void          flip(void);
private:
	lwPolygon    *makeTriangle(long ia, long ib, long ic);
public:
	lwSurface    *surface;
	int           surfidx;             /* surface index */
	int           part;                /* part index */
	int           smoothgrp;           /* smoothing group */
	int           flags;
	unsigned int  type;
	Vector3       normal;
	vvertices     vertices;            /* array of vertex records */
};

#endif // _LWPOLYGON_H_