#ifndef GFX_SMF_INCLUDED // -*- C++ -*-
#define GFX_SMF_INCLUDED

/************************************************************************

  SMF file parser.

  $Id: smf.h,v 1.8 1997/03/17 20:35:57 garland Exp $

 ************************************************************************/

//#include <iostream.h>
#include <gfx/tools/Buffer.h>
#include <gfx/math/Vec3.h>
#include <gfx/math/Vec2.h>
#include <gfx/math/Mat4.h>


namespace simplif
{
	#define SMF_MAXLINE 4096

	extern float SMF_version;
	extern char *SMF_version_string;
	extern char *SMF_source_revision;

	typedef buffer<char *> string_buffer;


	class SMF_Model
	{
	public:

		////////////////////////////////////////////////////////////////////////
		//
		// SMF input methods
		//

		//
		// These are the REQUIRED methods
		virtual int in_Vertex(const Vec3&) = 0;
		virtual int in_Normal(const Vec3&) = 0;
		virtual int in_TexCoord(const Vec2&) = 0;
		virtual int in_Face(int v1, int v2, int v3, int n1, int n2, int n3, int t1, int t2, int t3) = 0;

		//
		// By default, arbitrary faces are flagged as errors
		virtual int in_Face(const buffer<int> &);
		// 
		// as are unknown commands
		virtual int in_Unparsed(const char *, string_buffer&);

		virtual int note_Vertices(int);
		virtual int note_Faces(int);
		virtual int note_BBox(const Vec3& min, const Vec3& max);
		virtual int note_BSphere(const Vec3&, real);
		virtual int note_PXform(const Mat4&);
		virtual int note_MXform(const Mat4&);
		virtual int note_Unparsed(const char *,string_buffer&);
	};

	class SMF_State;

	//
	// Internal SMF variables
	// (not accessible via 'set' commands)
	//
	struct SMF_ivars
	{
		int next_vertex;
		int next_face;
	};
}


// GFX_SMF_INCLUDED
#endif