/* tddd2nff.c - convert TDDD (or TTDDD) file to NFF file
 *            - written by Glenn M. Lewis - 10/29/91
 */

static char rcs_id[] = "$Id: tddd2nff.c,v 1.3 1991/10/30 08:13:57 glewis Exp glewis $";

#include <stdio.h>
#include "ttdddlib.h"

main(argc, argv)
int argc;
char *argv[];
{
	char filename[256], rootname[256], *c1, *c2;
	int i;
	WORLD *world;
	FILE *inp, *out;

	filename[0] = '\0';
	rootname[0] = '\0';
	for (i=1; i<argc; i++) {
		if (argv[i][0] == '-') {
			fprintf(stderr, "Unknown option '%s' ignored.\n", argv[i]);
		} else if (filename[0]) {
			strcpy(rootname, argv[i]);
		} else {
			strcpy(filename, argv[i]);	/* Make root of filename the default */
			for (c1=rootname,c2=argv[i]; (*c1 = *c2++) && *c1!='.'; c1++) ;
			*c1 = '\0';
			strcat(rootname, ".nff");
		}
	}

	if (!filename[0]) inp = stdin;
	else if (!(inp = fopen(filename, "r"))) {
		fprintf(stderr, "Can't open '%s' for input.\n", filename);
		exit(-1);
	}
	if (!rootname[0]) out = stdout;
	else if (!(out = fopen(rootname, "w"))) {
		fprintf(stderr, "Can't open '%s' for output.\n", rootname);
		exit(-1);
	}

	world = read_World(inp);
	write_NFF(world, out);
	exit(0);
}