/*************************************************************************/
/*                                                                       */
/*  Copyright (c) 1994 Stanford University                               */
/*                                                                       */
/*  All rights reserved.                                                 */
/*                                                                       */
/*  Permission is given to use, copy, and modify this software for any   */
/*  non-commercial purpose as long as this copyright notice is not       */
/*  removed.  All other uses, including redistribution in whole or in    */
/*  part, are forbidden without prior written permission.                */
/*                                                                       */
/*  This software is provided with absolutely no warranty and no         */
/*  support.                                                             */
/*                                                                       */
/*************************************************************************/

/* Header file for model data structures and definitions */

#ifndef _MODEL_H
#define _MODEL_H


/************************************************************************
*
*     Constants
*
*************************************************************************/

#define MODEL_TRIANGLE  (0)
#define MODEL_RECTANGLE (1)
#define MODEL_NULL      (-1)

#define MODEL_TEST_DATA (0)
#define MODEL_ROOM_DATA (1)
#define MODEL_LARGEROOM_DATA (2)


/************************************************************************
*
*     Model descriptor
*
*************************************************************************/

/* General structure of the model descriptor */
typedef struct {
    Rgb   color ;			/* Diffuse color */
    Rgb   emittance ;		        /* Radiant emittance */
    Vertex _dummy[4] ;
} Model ;

/* Triangle */
typedef struct {
    Rgb   color ;			/* Diffuse color */
    Rgb   emittance ;		        /* Radiant emittance */
    Vertex p1, p2, p3 ;
} Model_Triangle ;

typedef Model_Triangle Model_Rectangle ;


typedef struct {
    int type ;
    Model model ;
} ModelDataBase ;


extern int model_selector ;
extern void process_model() ;
extern void init_modeling_tasks() ;

#endif