2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2008, 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 files README, COPYING and CREDITS in the root of the source
23 * tree for related information and legal notices. It is expected
24 * that future 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.
49 * Using this function for anything but command arguments is usually
50 * incorrect, because it respects conditionals. Use the snxtitem_FOO()
54 snxtitem(struct nstr_item *np, int type, char *str)
69 sprintf(prompt, "%s(s)? ", ef_nameof(type));
70 str = getstring(prompt, buf);
75 /* empty string passed by player */
78 if (type == EF_NATION && isalpha(*str)) {
79 sprintf(natnumber, "%d", natarg(str, NULL));
82 flags = ef_flags(type);
83 switch (sarg_type(str)) {
85 if (!(flags & EFF_XY))
87 if (!sarg_area(str, &range))
89 snxtitem_area(np, type, &range);
92 if (!(flags & EFF_XY))
94 if (!sarg_range(str, &cx, &cy, &dist))
96 snxtitem_dist(np, type, cx, cy, dist);
99 snxtitem_all(np, type);
102 if ((n = sarg_list(str, list, NS_LSIZE)) == 0)
104 if (!snxtitem_list(np, type, list, n))
108 if (!(flags & EFF_XY))
110 if (!sarg_xy(str, &cx, &cy))
112 snxtitem_xy(np, type, cx, cy);
115 if (!(flags & EFF_GROUP))
117 snxtitem_group(np, type, *str);
123 if (player->condarg == 0)
125 n = nstr_comp(np->cond, sizeof(np->cond) / sizeof(*np->cond), type,
127 np->ncond = n >= 0 ? n : 0;
132 snxtitem_area(struct nstr_item *np, int type, struct range *range)
134 memset(np, 0, sizeof(*np));
141 np->flags = ef_flags(type);
142 xysize_range(&np->range);
146 snxtitem_dist(struct nstr_item *np, int type, int cx, int cy,
151 memset(np, 0, sizeof(*np));
152 xydist_range(cx, cy, dist, &range);
162 np->flags = ef_flags(type);
164 /* This is no longer proper. */
165 /* It did the wrong thing for small, hitech worlds. */
166 xysize_range(&np->range);
171 snxtitem_xy(struct nstr_item *np, int type, coord x, coord y)
173 memset(np, 0, sizeof(*np));
182 np->flags = ef_flags(type);
186 snxtitem_all(struct nstr_item *np, int type)
188 memset(np, 0, sizeof(*np));
194 np->flags = ef_flags(type);
195 xysize_range(&np->range);
199 snxtitem_group(struct nstr_item *np, int type, char group)
203 memset(np, 0, sizeof(*np));
210 np->flags = ef_flags(type);
211 xysize_range(&np->range);
215 snxtitem_rewind(struct nstr_item *np)
222 snxtitem_list(struct nstr_item *np, int type, int *list, int len)
226 memset(np, 0, sizeof(*np));
232 np->flags = ef_flags(type);
233 if (len <= 0 || len > NS_LSIZE)
235 for (i = 0; i < len; i++)
236 np->list[i] = list[i];