/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2014, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Ken Stevens, Steve McClure, Markus Armbruster
*
- * This program is free software; you can redistribute it and/or modify
+ * Empire 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
+ * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* 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
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* ---
*
- * See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
- * related information and legal notices. It is expected that any future
- * projects/authors will amend these files as needed.
+ * 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.
*
* ---
*
* snxtitem.c: Arrange item selection using one of many criteria.
- *
+ *
* Known contributors to this file:
* Dave Pare, 1989
+ * Markus Armbruster, 2009-2011
*/
+#include <config.h>
+
+#include <ctype.h>
#include "misc.h"
#include "player.h"
-#include "var.h"
#include "xy.h"
-#include "sect.h"
#include "nsc.h"
#include "file.h"
-#include "com.h"
#include "prototypes.h"
+#include "unit.h"
/*
* setup the nstr structure for sector selection.
* can select on NS_ALL, NS_AREA, NS_DIST, and NS_LIST.
* iterate thru the "condarg" string looking
* for arguments to compile into the nstr.
+ * Using this function for anything but command arguments is usually
+ * incorrect, because it respects conditionals. Use the snxtitem_FOO()
+ * instead.
*/
int
-snxtitem(register struct nstr_item *np, int type, s_char *str)
+snxtitem(struct nstr_item *np, int type, char *str, char *prompt)
{
- register s_char *cp;
- struct range range;
- int list[NS_LSIZE];
- int n;
- coord cx, cy;
- int dist;
- int flags;
- s_char natnumber[16];
- s_char prompt[128];
- s_char buf[1024];
+ struct range range;
+ int list[NS_LSIZE];
+ int cnum, n;
+ coord cx, cy;
+ int dist;
+ int flags;
+ char promptbuf[128];
+ char buf[1024];
- np->type = NS_UNDEF;
- np->sel = NS_UNDEF;
- if (str == 0) {
- sprintf(prompt, "%s(s)? ", ef_nameof(type));
- str = getstring(prompt, buf);
- if (str == 0)
- return 0;
- }
- if (*str == 0) {
- /* str present, but only <cr>: nil string passed by player */
- return 0;
- }
- if (type == EF_NATION && isalpha(*str)) {
- sprintf(natnumber, "%d", natarg(str, ""));
- str = natnumber;
- }
- flags = ef_flags(type);
- switch (sarg_type(str)) {
- case NS_AREA:
- if (!(flags & EFF_XY))
- return 0;
- if (!sarg_area(str, &range))
- return 0;
- snxtitem_area(np, type, &range);
- break;
- case NS_DIST:
- if (!(flags & EFF_XY))
- return 0;
- if (!sarg_range(str, &cx, &cy, &dist))
- return 0;
- snxtitem_dist(np, type, cx, cy, dist);
- break;
- case NS_ALL:
- snxtitem_all(np, type);
- break;
- case NS_LIST:
- if ((n = sarg_list(str, list, NS_LSIZE)) == 0)
- return 0;
- if (!snxtitem_list(np, type, list, n))
- return 0;
- break;
- case NS_XY:
- if (!(flags & EFF_XY))
- return 0;
- if (!sarg_xy(str, &cx, &cy))
- return 0;
- snxtitem_xy(np, type, cx, cy);
- break;
- case NS_GROUP:
- if (!(flags & EFF_GROUP))
- return 0;
- snxtitem_group(np, type, *str);
- break;
- default:
- return 0;
+ np->type = EF_BAD;
+ np->sel = NS_UNDEF;
+ if (!str) {
+ if (!prompt) {
+ sprintf(promptbuf, "%s(s)? ", ef_nameof(type));
+ prompt = promptbuf;
}
- np->flags = flags;
- if (player->condarg == 0)
- return 1;
- cp = player->condarg;
- while ((cp = nstr_comp(np->cond, &np->ncond, type, cp)) && *cp)
- ;
- if (cp == 0)
- return 0;
- return 1;
+ str = getstring(prompt, buf);
+ if (!str)
+ return 0;
+ } else
+ make_stale_if_command_arg(str);
+ if (*str == 0) {
+ return 0;
+ }
+ if (type == EF_NATION && isalpha(*str)) {
+ cnum = natarg(str, NULL);
+ if (cnum < 0)
+ return 0;
+ sprintf(buf, "%d", cnum);
+ str = buf;
+ }
+ flags = ef_flags(type);
+ switch (sarg_type(str)) {
+ case NS_AREA:
+ if (!(flags & EFF_XY))
+ return 0;
+ if (!sarg_area(str, &range))
+ return 0;
+ snxtitem_area(np, type, &range);
+ break;
+ case NS_DIST:
+ if (!(flags & EFF_XY))
+ return 0;
+ if (!sarg_range(str, &cx, &cy, &dist))
+ return 0;
+ snxtitem_dist(np, type, cx, cy, dist);
+ break;
+ case NS_ALL:
+ snxtitem_all(np, type);
+ break;
+ case NS_LIST:
+ if ((n = sarg_list(str, list, NS_LSIZE)) == 0)
+ return 0;
+ if (!snxtitem_list(np, type, list, n))
+ return 0;
+ break;
+ case NS_XY:
+ if (!(flags & EFF_XY))
+ return 0;
+ if (!sarg_xy(str, &cx, &cy))
+ return 0;
+ snxtitem_xy(np, type, cx, cy);
+ break;
+ case NS_GROUP:
+ if (!(flags & EFF_GROUP))
+ return 0;
+ snxtitem_group(np, type, *str);
+ break;
+ default:
+ return 0;
+ }
+ return snxtitem_use_condarg(np);
+}
+
+void
+snxtitem_area(struct nstr_item *np, int type, struct range *range)
+{
+ memset(np, 0, sizeof(*np));
+ np->cur = -1;
+ np->type = type;
+ np->sel = NS_AREA;
+ np->index = -1;
+ np->range = *range;
+ xysize_range(&np->range);
+}
+
+void
+snxtitem_dist(struct nstr_item *np, int type, int cx, int cy, int dist)
+{
+ memset(np, 0, sizeof(*np));
+ xydist_range(cx, cy, dist, &np->range);
+ np->cur = -1;
+ np->type = type;
+ np->sel = NS_DIST;
+ np->cx = cx;
+ np->cy = cy;
+ np->index = -1;
+ np->dist = dist;
+}
+
+void
+snxtitem_xy(struct nstr_item *np, int type, coord x, coord y)
+{
+ memset(np, 0, sizeof(*np));
+ np->cur = -1;
+ np->type = type;
+ np->sel = NS_XY;
+ np->cx = xnorm(x);
+ np->cy = ynorm(y);
+ np->index = -1;
+ np->dist = 0;
+}
+
+void
+snxtitem_all(struct nstr_item *np, int type)
+{
+ memset(np, 0, sizeof(*np));
+ np->cur = -1;
+ np->sel = NS_ALL;
+ np->type = type;
+ np->index = -1;
+ xysize_range(&np->range);
+}
+
+void
+snxtitem_group(struct nstr_item *np, int type, char group)
+{
+ if (group == '~')
+ group = 0;
+ memset(np, 0, sizeof(*np));
+ np->cur = -1;
+ np->sel = NS_GROUP;
+ np->group = group;
+ np->type = type;
+ np->index = -1;
+ xysize_range(&np->range);
+}
+
+void
+snxtitem_rewind(struct nstr_item *np)
+{
+ np->cur = -1;
+ np->index = -1;
+}
+
+int
+snxtitem_list(struct nstr_item *np, int type, int *list, int len)
+{
+ int i;
+
+ memset(np, 0, sizeof(*np));
+ np->cur = -1;
+ np->type = type;
+ np->sel = NS_LIST;
+ np->index = -1;
+ if (len <= 0 || len > NS_LSIZE)
+ return 0;
+ for (i = 0; i < len; i++)
+ np->list[i] = list[i];
+ np->size = len;
+ return 1;
}
/*
- * The rest of these (snxtitem_area, snxtitem_dist, etc, have been moved
- * into the common lib, since they don't use condargs, and are useful
- * elsewhere (update, chiefly). ---ts
- *
+ * Initialize NP to iterate over the items of type TYPE in a carrier.
+ * The carrier has file type CARRIER_TYPE and uid CARRIER_UID.
+ * Note: you can take an item gotten with nxtitem() off its carrier
+ * without disturbing the iterator. Whether the iterator will pick up
+ * stuff you load onto the carrier during iteration is unspecified.
*/
+void
+snxtitem_cargo(struct nstr_item *np, int type,
+ int carrier_type, int carrier_uid)
+{
+ memset(np, 0, sizeof(*np));
+ np->cur = -1;
+ np->type = type;
+ np->sel = NS_CARGO;
+ np->next = unit_cargo_first(carrier_type, carrier_uid, type);
+}
+
+int
+snxtitem_use_condarg(struct nstr_item *np)
+{
+ int n;
+
+ if (!player->condarg)
+ return 1;
+ n = nstr_comp(np->cond, sizeof(np->cond) / sizeof(*np->cond),
+ np->type, player->condarg);
+ if (n < 0)
+ return 0;
+ np->ncond = n;
+ return 1;
+}
projects / empserver / blobdiff