2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2005, 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:
39 #include "prototypes.h"
42 * setup the nstr structure for sector selection.
43 * can select on NS_ALL, NS_AREA, NS_DIST, and NS_LIST.
44 * iterate thru the "condarg" string looking
45 * for arguments to compile into the nstr.
48 snxtitem(struct nstr_item *np, int type, s_char *str)
63 sprintf(prompt, "%s(s)? ", ef_nameof(type));
64 str = getstring(prompt, buf);
69 /* str present, but only <cr>: nil string passed by player */
72 if (type == EF_NATION && isalpha(*str)) {
73 sprintf(natnumber, "%d", natarg(str, ""));
76 flags = ef_flags(type);
77 switch (sarg_type(str)) {
79 if (!(flags & EFF_XY))
81 if (!sarg_area(str, &range))
83 snxtitem_area(np, type, &range);
86 if (!(flags & EFF_XY))
88 if (!sarg_range(str, &cx, &cy, &dist))
90 snxtitem_dist(np, type, cx, cy, dist);
93 snxtitem_all(np, type);
96 if ((n = sarg_list(str, list, NS_LSIZE)) == 0)
98 if (!snxtitem_list(np, type, list, n))
102 if (!(flags & EFF_XY))
104 if (!sarg_xy(str, &cx, &cy))
106 snxtitem_xy(np, type, cx, cy);
109 if (!(flags & EFF_GROUP))
111 snxtitem_group(np, type, *str);
117 if (player->condarg == 0)
119 n = nstr_comp(np->cond, sizeof(np->cond) / sizeof(*np->cond), type,
121 np->ncond = n >= 0 ? n : 0;
126 snxtitem_area(struct nstr_item *np, int type, struct range *range)
128 memset(np, 0, sizeof(*np));
135 np->flags = ef_flags(type);
136 xysize_range(&np->range);
141 snxtitem_dist(struct nstr_item *np, int type, int cx, int cy,
146 memset(np, 0, sizeof(*np));
147 xydist_range(cx, cy, dist, &range);
157 np->flags = ef_flags(type);
159 /* This is no longer proper. */
160 /* It did the wrong thing for small, hitech worlds. */
161 xysize_range(&np->range);
167 snxtitem_xy(struct nstr_item *np, int type, coord x, coord y)
169 memset(np, 0, sizeof(*np));
178 np->flags = ef_flags(type);
183 snxtitem_all(struct nstr_item *np, int type)
185 memset(np, 0, sizeof(*np));
191 np->flags = ef_flags(type);
192 xysize_range(&np->range);
197 snxtitem_group(struct nstr_item *np, int type, s_char group)
201 memset(np, 0, sizeof(*np));
208 np->flags = ef_flags(type);
209 xysize_range(&np->range);
214 snxtitem_rewind(struct nstr_item *np)
218 ef_zapcache(np->type);
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];