2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2004, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
23 * related information and legal notices. It is expected that any future
24 * projects/authors will amend these files as needed.
28 * snxtitem.c: Arrange item selection using one of many criteria.
30 * Known contributors to this file:
42 #include "prototypes.h"
45 * setup the nstr structure for sector selection.
46 * can select on NS_ALL, NS_AREA, NS_DIST, and NS_LIST.
47 * iterate thru the "condarg" string looking
48 * for arguments to compile into the nstr.
51 snxtitem(register struct nstr_item *np, int type, s_char *str)
66 sprintf(prompt, "%s(s)? ", ef_nameof(type));
67 str = getstring(prompt, buf);
72 /* str present, but only <cr>: nil string passed by player */
75 if (type == EF_NATION && isalpha(*str)) {
76 sprintf(natnumber, "%d", natarg(str, ""));
79 flags = ef_flags(type);
80 switch (sarg_type(str)) {
82 if (!(flags & EFF_XY))
84 if (!sarg_area(str, &range))
86 snxtitem_area(np, type, &range);
89 if (!(flags & EFF_XY))
91 if (!sarg_range(str, &cx, &cy, &dist))
93 snxtitem_dist(np, type, cx, cy, dist);
96 snxtitem_all(np, type);
99 if ((n = sarg_list(str, list, NS_LSIZE)) == 0)
101 if (!snxtitem_list(np, type, list, n))
105 if (!(flags & EFF_XY))
107 if (!sarg_xy(str, &cx, &cy))
109 snxtitem_xy(np, type, cx, cy);
112 if (!(flags & EFF_GROUP))
114 snxtitem_group(np, type, *str);
120 if (player->condarg == 0)
122 n = nstr_comp(np->cond, sizeof(np->cond) / sizeof(*np->cond), type,
124 np->ncond = n >= 0 ? n : 0;
129 snxtitem_area(register struct nstr_item *np, int type, struct range *range)
131 memset(np, 0, sizeof(*np));
138 np->flags = ef_flags(type);
139 xysize_range(&np->range);
144 snxtitem_dist(register struct nstr_item *np, int type, int cx, int cy,
149 memset(np, 0, sizeof(*np));
150 xydist_range(cx, cy, dist, &range);
160 np->flags = ef_flags(type);
162 /* This is no longer proper. */
163 /* It did the wrong thing for small, hitech worlds. */
164 xysize_range(&np->range);
170 snxtitem_xy(register struct nstr_item *np, int type, coord x, coord y)
172 memset(np, 0, sizeof(*np));
181 np->flags = ef_flags(type);
186 snxtitem_all(register struct nstr_item *np, int type)
188 memset(np, 0, sizeof(*np));
194 np->flags = ef_flags(type);
195 xysize_range(&np->range);
200 snxtitem_group(register struct nstr_item *np, int type, s_char group)
204 memset(np, 0, sizeof(*np));
211 np->flags = ef_flags(type);
212 xysize_range(&np->range);
217 snxtitem_rewind(struct nstr_item *np)
221 ef_zapcache(np->type);
225 snxtitem_list(register struct nstr_item *np, int type, int *list, int len)
229 memset(np, 0, sizeof(*np));
235 np->flags = ef_flags(type);
236 if (len <= 0 || len > NS_LSIZE)
238 for (i = 0; i < len; i++)
239 np->list[i] = list[i];