/*
 * 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	MD3_VERSION	15

#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, 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"
#define IDMD3HEADER	(('3'<<24) + ('P'<<16) + ('D'<<8) + 'I')        // little-endian "IDP3"
