/*
Copyright (C) 1996-2001 Id Software, Inc.
Copyright (C) 2002-2009 John Fitzgibbons and others

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

#ifndef _MODELGEN_H
#define _MODELGEN_H

//
// modelgen.h: header file for model generation program
//

// *********************************************************
// * This file must be identical in the modelgen directory *
// * and in the Quake directory, because it's used to      *
// * pass data from one to the other via model files.      *
// *********************************************************

#ifdef INCLUDELIBS

#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <string.h>

#include "cmdlib.h"
#include "scriplib.h"
#include "trilib.h"
#include "lbmlib.h"
#include "mathlib.h"

#endif

#define ALIAS_VERSION 6

#define ALIAS_ONSEAM 0x0020

// must match definition in spritegn.h
#ifndef SYNCTYPE_T
#define SYNCTYPE_T
typedef enum
{
	ST_SYNC = 0,
	ST_RAND,
	ST_FRAMETIME /*sync to when .frame changes*/
} synctype_t;
#endif

typedef enum
{
	ALIAS_SINGLE = 0,
	ALIAS_GROUP
} aliasframetype_t;

typedef enum
{
	ALIAS_SKIN_SINGLE = 0,
	ALIAS_SKIN_GROUP
} aliasskintype_t;

typedef struct
{
	int		   ident;
	int		   version;
	vec3_t	   scale;
	vec3_t	   scale_origin;
	float	   boundingradius;
	vec3_t	   eyeposition;
	int		   numskins;
	int		   skinwidth;
	int		   skinheight;
	int		   numverts;
	int		   numtris;
	int		   numframes;
	synctype_t synctype;
	int		   flags;
	float	   size;
} mdl_t;

// TODO: could be shorts

typedef struct
{
	int onseam;
	int s;
	int t;
} stvert_t;

typedef struct dtriangle_s
{
	int facesfront;
	int vertindex[3];
} dtriangle_t;

#define DT_FACES_FRONT 0x0010

// This mirrors trivert_t in trilib.h, is present so Quake knows how to
// load this data

// MDL vertex+norm file format
typedef struct
{
	byte v[3];
	byte lightnormalindex;
} trivertx_t;

typedef struct
{
	trivertx_t bboxmin;	 // lightnormal isn't used
	trivertx_t bboxmax;	 // lightnormal isn't used
	char	   name[16]; // frame name from grabbing
} daliasframe_t;

typedef struct
{
	int		   numframes;
	trivertx_t bboxmin; // lightnormal isn't used
	trivertx_t bboxmax; // lightnormal isn't used
} daliasgroup_t;

typedef struct
{
	int numskins;
} daliasskingroup_t;

typedef struct
{
	float interval;
} daliasinterval_t;

typedef struct
{
	float interval;
} daliasskininterval_t;

typedef struct
{
	aliasframetype_t type;
} daliasframetype_t;

typedef struct
{
	aliasskintype_t type;
} daliasskintype_t;

#define IDPOLYHEADER (('O' << 24) + ('P' << 16) + ('D' << 8) + 'I')
// little-endian "IDPO"

#endif /* _MODELGEN_H */
