libbubulle/importobj.c
2021-05-07 12:27:16 +02:00

85 lines
1.6 KiB
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(NULL!=(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;
}
/* --------------------------------------------------------------------- */