libbubulle/importobj.c

/*
	          LIBBUBULLES

	some functions for importing bubulles from dot-OBJ files.
*/

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

#include  "bubulles.h"

extern int		verbosity;

/* --------------------------------------------------------------------- */

#define LINE_SZ 666

int try_to_read_an_OBJ_file(char *fname, int notused)
{
FILE		*fpin;
char		line[LINE_SZ+1], *cptr;
float		x, y, z;
int		foo, nbre;
BBList          *bublist;
Bubulle         bubulle;

#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( '%s' %d )\n", __func__, fname, notused);
#endif

if (NULL==(fpin=fopen(fname, "r"))) {
	perror(fname);
	exit(1);
	}

bublist = alloc_bubulles(fname, 1000, 0);
if (NULL==bublist) {
        fprintf(stderr, "err in %s, aborting...\n", __func__);
        abort();
        }
print_bublist_desc(bublist, 0);

nbre = 0;
while(cptr=fgets(line, LINE_SZ, fpin)) {

	if (verbosity>1) fputs(line, stderr);

	cptr = strtok(line, " ");
	if (strcmp(cptr, "v"))	continue;

	cptr = strtok(NULL, " ");
	foo = sscanf(cptr, "%f", &x);
	cptr = strtok(NULL, " ");
	foo = sscanf(cptr, "%f", &y);
	cptr = strtok(NULL, " ");
	foo = sscanf(cptr, "%f", &z);

	memset(&bubulle, 0, sizeof(Bubulle));

	bubulle.p.x = x;
	bubulle.p.y = y;
	bubulle.p.z = z;
	if (verbosity > 1) niceprint_bubulle(&bubulle, 0);

	foo = push_bubulle(bublist, &bubulle);
	if (foo) {
		fprintf(stderr, "%s: err %d on push\n", __func__, foo);
		break;
		}
	nbre++;
	}
fclose(fpin);

if(verbosity) {
	fprintf(stderr, "%s : %d vertices loaded\n", __func__, nbre);
	}

bubulles_to_data("xyz", NULL, bublist, 0);

return 0;
}

/* --------------------------------------------------------------------- */