--- /dev/null
+/*
+ * Empire - A multi-player, client/server Internet based war game.
+ * Copyright (C) 1986-2008, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Ken Stevens, Steve McClure
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * ---
+ *
+ * See files README, COPYING and CREDITS in the root of the source
+ * tree for related information and legal notices. It is expected
+ * that future projects/authors will amend these files as needed.
+ *
+ * ---
+ *
+ * empdump.c: Export/import Empire game state
+ *
+ * Known contributors to this file:
+ * Markus Armbruster, 2008
+ */
+
+#include <config.h>
+
+#include <errno.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "file.h"
+#include "optlist.h"
+#include "prototypes.h"
+#include "version.h"
+#include "xdump.h"
+
+static void dump_table(int, int);
+static void pln_fixup(void);
+static void lnd_fixup(void);
+static void nuk_fixup(void);
+
+int
+main(int argc, char *argv[])
+{
+ char *config_file = NULL;
+ char *import = NULL;
+ int export = 0;
+ int private = 0;
+ int human = 1;
+ int opt, i, lineno, type;
+ FILE *impf = NULL;
+ int dirty[EF_MAX];
+
+ while ((opt = getopt(argc, argv, "e:mtxhv")) != EOF) {
+ switch (opt) {
+ case 'e':
+ config_file = optarg;
+ break;
+ case 'h':
+ printf("Usage: %s [OPTION]... [DUMP-FILE]\n"
+ " -e CONFIG-FILE configuration file\n"
+ " (default %s)\n"
+ " -m use machine-readable format\n"
+ " -t test import, don't update game state\n"
+ " -x export to standard output\n"
+ " -h display this help and exit\n"
+ " -v display version information and exit\n",
+ argv[0], dflt_econfig);
+ exit(0);
+ case 'm':
+ human = 0;
+ break;
+ case 't':
+ private = EFF_PRIVATE;
+ break;
+ case 'x':
+ export = 1;
+ break;
+ case 'v':
+ printf("%s\n\n%s", version, legal);
+ exit(0);
+ default:
+ fprintf(stderr, "Try -h for help.\n");
+ exit(1);
+ }
+ }
+
+ if (argv[optind])
+ import = argv[optind++];
+
+ if (import) {
+ impf = fopen(import, "r");
+ if (!impf) {
+ fprintf(stderr, "Cant open %s for reading (%s)\n",
+ import, strerror(errno));
+ exit(1);
+ }
+ } else
+ private = EFF_PRIVATE;
+
+ /* read configuration & initialize */
+ empfile_init();
+ if (emp_config(config_file) < 0)
+ exit(1);
+ empfile_fixup();
+ nsc_init();
+ if (read_builtin_tables() < 0)
+ exit(1);
+ if (read_custom_tables() < 0)
+ exit(1);
+ if (chdir(gamedir)) {
+ fprintf(stderr, "Can't chdir to %s (%s)\n",
+ gamedir, strerror(errno));
+ exit(1);
+ }
+ global_init();
+
+ for (i = 0; i < EF_MAX; i++) {
+ if (!EF_IS_GAME_STATE(i))
+ continue;
+ if (!ef_open(i, EFF_MEM | private))
+ exit(1);
+ }
+
+ /* import from IMPORT */
+ memset(dirty, 0, sizeof(dirty));
+ if (import) {
+ lineno = 1;
+ while ((type = xundump(impf, import, &lineno, EF_BAD)) >= 0)
+ dirty[type] = 1;
+ if (type == EF_BAD)
+ exit(1);
+ pln_fixup();
+ lnd_fixup();
+ nuk_fixup();
+ }
+
+ if (ef_verify() < 0)
+ exit(1);
+
+ /* export to stdout */
+ if (export) {
+ for (i = 0; i < EF_MAX; i++) {
+ if (!EF_IS_GAME_STATE(i))
+ continue;
+ dump_table(i, human);
+ }
+ }
+
+ /* write out imported data */
+ for (i = 0; i < EF_MAX; i++) {
+ if (!EF_IS_GAME_STATE(i))
+ continue;
+ if (!private && dirty[i]) {
+ if (!ef_close(i))
+ exit(1);
+ }
+ }
+
+ return 0;
+}
+
+static void
+printf_wrapper(char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ vprintf(fmt, ap);
+ va_end(ap);
+}
+
+static void
+dump_table(int type, int human)
+{
+ struct xdstr xd;
+ struct castr *ca;
+ int i;
+ void *p;
+
+ ca = ef_cadef(type);
+ if (!ca)
+ return;
+
+ xdinit(&xd, 0, human, printf_wrapper);
+ xdhdr(&xd, ef_nameof(type), 0);
+ xdcolhdr(&xd, ca);
+ for (i = 0; (p = ef_ptr(type, i)); i++) {
+ xdflds(&xd, ca, p);
+ printf("\n");
+ }
+ xdftr(&xd, i);
+}
+
+
+/* TODO remove need for this */
+
+#include <math.h>
+#include "ship.h"
+#include "plane.h"
+#include "land.h"
+#include "nuke.h"
+
+static int fit_plane_on_ship(struct plnstr *, struct shpstr *);
+static int fit_plane_on_land(struct plnstr *, struct lndstr *);
+
+static void
+pln_fixup(void)
+{
+ int i;
+ struct plnstr *pp;
+ struct shpstr *csp;
+ struct lndstr *clp;
+
+ for (i = 0; (pp = ef_ptr(EF_PLANE, i)); i++) {
+ if (!pp->pln_own)
+ continue;
+ csp = ef_ptr(EF_SHIP, pp->pln_ship);
+ clp = ef_ptr(EF_LAND, pp->pln_land);
+ if (csp)
+ fit_plane_on_ship(pp, csp);
+ else if (clp)
+ fit_plane_on_land(pp, clp);
+ }
+}
+
+static void
+lnd_fixup(void)
+{
+ int i;
+ struct lndstr *lp;
+ struct shpstr *csp;
+ struct lndstr *clp;
+
+ for (i = 0; (lp = ef_ptr(EF_LAND, i)); i++) {
+ if (!lp->lnd_own)
+ continue;
+ csp = ef_ptr(EF_SHIP, lp->lnd_ship);
+ clp = ef_ptr(EF_LAND, lp->lnd_land);
+ if (csp)
+ csp->shp_nland++;
+ else if (clp)
+ clp->lnd_nland++;
+ }
+}
+
+static void
+nuk_fixup(void)
+{
+ int i;
+ struct nukstr *np;
+ struct plnstr *cpp;
+
+ for (i = 0; (np = ef_ptr(EF_NUKE, i)); i++) {
+ if (!np->nuk_own)
+ continue;
+ cpp = ef_ptr(EF_PLANE, np->nuk_plane);
+ if (cpp)
+ cpp->pln_nuketype = np->nuk_type;
+ }
+}
+
+/* Temporarily copied from src/lib/subs/???sub.c */
+
+/*
+ * Fit a plane of PP's type on ship SP.
+ * Adjust SP's plane counters.
+ * Updating the plane accordingly is the caller's job.
+ * Return whether it fits.
+ */
+static int
+fit_plane_on_ship(struct plnstr *pp, struct shpstr *sp)
+{
+ struct plchrstr *pcp = plchr + pp->pln_type;
+ struct mchrstr *mcp = mchr + sp->shp_type;
+ int wanted;
+
+ if (pcp->pl_flags & P_K) {
+ /* chopper, try chopper slot first */
+ if (sp->shp_nchoppers < mcp->m_nchoppers)
+ return ++sp->shp_nchoppers;
+ /* else try plane slot */
+ wanted = M_FLY;
+ } else if (pcp->pl_flags & P_E) {
+ /* x-light, try x-light slot first */
+ if (sp->shp_nxlight < mcp->m_nxlight)
+ return ++sp->shp_nxlight;
+ /* else try plane slot */
+ wanted = M_MSL | M_FLY;
+ } else if (!(pcp->pl_flags & P_L)) {
+ /* not light, no go */
+ wanted = 0;
+ } else if (pcp->pl_flags & P_M) {
+ /* missile, use plane slot */
+ wanted = M_MSL | M_FLY;
+ } else {
+ /* fixed-wing plane, use plane slot */
+ wanted = M_FLY;
+ }
+
+ if ((mcp->m_flags & wanted) == 0)
+ return 0; /* ship not capable */
+
+ if (sp->shp_nplane < mcp->m_nplanes)
+ return ++sp->shp_nplane;
+
+ return 0;
+}
+
+/*
+ * Fit a plane of PP's type on land unit LP.
+ * Adjust LP's plane counters.
+ * Updating the plane accordingly is the caller's job.
+ * Return whether it fits.
+ */
+static int
+fit_plane_on_land(struct plnstr *pp, struct lndstr *lp)
+{
+ struct plchrstr *pcp = plchr + pp->pln_type;
+ struct lchrstr *lcp = lchr + lp->lnd_type;
+
+ if ((pcp->pl_flags & P_E) && lp->lnd_nxlight < lcp->l_nxlight)
+ return ++lp->lnd_nxlight;
+
+ return 0;
+}
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