/******************************************************************************
             Copyright (c) 1999 Unigraphics Solutions, Inc.
                       Unpublished - All Rights Reserved

*******************************************************************************/
#include <stdio.h>
#include <uf.h>
#include <uf_std.h>
#include <uf_part.h>
#include <uf_modl.h>
#define VRML_FILENAME "vrml_test.wrl"
/*-------------------------------------------------------------*/
static int vrml_example ( void );
static int create_part ( logical populate_ug_file );
/*-------------------------------------------------------------*/
extern void ufusr( char *param, int *retcod, int param_len )
 {
   UF_initialize();
   *retcod = vrml_example();
   UF_terminate();
 }
/*-------------------------------------------------------------*/
static int vrml_example( void )
{
    UF_STD_vrml_params_t    params;
    char                    error_msg[133];
    tag_p_t                 topologies;
    int                     errors;
    int                     warnings;
    int                     n_topologies;
    int                     ifail;
    int                     indx;
    ifail = create_part ( TRUE );
    if (ifail == 0)
    {
        ifail = create_part ( FALSE );
        if (ifail == 0)
        {
            ifail = UF_STD_set_default_vrml_params ( &params );
            if (ifail == 0)
            {
                params.hide_smooth_edges = FALSE;
                params.unit_size = UF_STD_UNITS_MM;
                ifail = UF_STD_import_vrml_file( VRML_FILENAME,
                                                 &params,
                                                 &errors,
                                                 &warnings, 
                                                 &n_topologies,
                                                 &topologies );
                if ( n_topologies > 0 )
                {
                    printf("Topology tags:\n");
                    for (indx = 0; indx < n_topologies; indx++)
                        printf("%u ",topologies[indx]);
                    printf("\n");
                }
                UF_free ( topologies );
            }
        }
    }
    if ( ifail != 0 )
    {
        UF_get_fail_message( ifail, error_msg );
        printf( "ERROR: %s\n", error_msg );
    }
    return 0;
}
/*-------------------------------------------------------------*/
/*  Create a UG part file. If populate_ug_file is set TRUE, the
    file is populated with a cylinder and two spheres. As well,
    a VRML file (VRML_FILENAME) is generated from the part file.
*/ 
static int create_part (
    logical     populate_ug_file)
{
    double origin[3] = { 0.0, -1.0, 0.0 };
    double direction[3] = { 0.0, 1.0, 0.0 };
    tag_t part;
    tag_t primitive_obj_id;
    int units = 2;
    int ifail;
    if (populate_ug_file == TRUE)
        ifail = UF_PART_new("ug_generated_file", units, &part);
    else
        ifail = UF_PART_new("vrml_imported_file", units, &part);
    if (ifail == 0 && populate_ug_file == TRUE)
    {                                           
        ifail = UF_MODL_create_cyl1( UF_NULLSIGN,
                                     origin, 
                                     "2.0",
                                     "1.0",
                                     direction,
                                     &primitive_obj_id );
        if (ifail == 0)
        {
            origin[1] = origin[1] - 0.25;
            ifail = UF_MODL_create_sphere1( UF_NULLSIGN,
                                            origin,
                                            "1.5",
                                            &primitive_obj_id );
            if (ifail == 0)
            {
                origin[1] = origin[1] + 2.5;
                ifail = UF_MODL_create_sphere1 ( UF_NULLSIGN,
                                                 origin,
                                                 "1.5",
                                                 &primitive_obj_id
);
                if (ifail == 0)
                    ifail = UF_STD_create_vrml_file (
VRML_FILENAME, 1.0, UF_STD_OUTPUT_MATERIALS );
            }
        }
    }
    return ifail;
}