/*
Copyright (C) 1996-1997 Id Software, Inc.

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.

*/
//
// 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 } 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

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"