1 /*
2  *  Empire - A multi-player, client/server Internet based war game.
3  *  Copyright (C) 1986-2021, Dave Pare, Jeff Bailey, Thomas Ruschak,
4  *                Ken Stevens, Steve McClure, Markus Armbruster
5  *
6  *  Empire 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 3 of the License, or
9  *  (at your option) any later version.
10  *
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.
15  *
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
18  *
19  *  ---
20  *
21  *  See files README, COPYING and CREDITS in the root of the source
22  *  tree for related information and legal notices.  It is expected
23  *  that future projects/authors will amend these files as needed.
24  *
25  *  ---
26  *
27  *  thre.c: Describe/set threshold for given commodity
28  *
29  *  Known contributors to this file:
30  *     Dave Pare, 1986
31  *     Steve McClure, 1998
32  */
33 
34 #include <config.h>
35 
36 #include "commands.h"
37 #include "item.h"
38 
39 /*
40  * threshold <COMM> <SECTS> <THRESH>
41  */
42 int
c_threshold(void)43 c_threshold(void)
44 {
45     struct sctstr sect;
46     struct nstr_sect nstr;
47     int val;
48     struct ichrstr *ip;
49     char *p;
50     int thresh;
51     i_type type;
52     char prompt[128];
53     char buf[128];
54 
55     if (!(ip = whatitem(player->argp[1], "What commodity? ")))
56 	return RET_SYN;
57     if (!snxtsct(&nstr, player->argp[2]))
58 	return RET_SYN;
59     type = ip->i_uid;
60     while (nxtsct(&nstr, &sect)) {
61 	if (!player->owner)
62 	    continue;
63 	val = sect.sct_dist[type];
64 	if (val > 0)
65 	    sprintf(prompt, "%s %s  old threshold %d new? ",
66 		    xyas(nstr.x, nstr.y, player->cnum),
67 		    dchr[sect.sct_type].d_name, val);
68 	else
69 	    sprintf(prompt, "%s %s  threshold? ",
70 		    xyas(nstr.x, nstr.y, player->cnum),
71 		    dchr[sect.sct_type].d_name);
72 	if (!(p = getstarg(player->argp[3], prompt, buf)))
73 	    return RET_FAIL;
74 	if (!*p)
75 	    continue;
76 	if (!check_sect_ok(&sect))
77 	    return RET_FAIL;
78 	thresh = atoi(p);
79 	if (thresh < 0)
80 	    return RET_FAIL;
81 	if (thresh > ITEM_MAX)
82 	    thresh = ITEM_MAX;
83 	if ((val > 0) && (val == thresh)) {
84 	    pr("%s threshold unchanged (left at %d)\n",
85 	       xyas(nstr.x, nstr.y, player->cnum), val);
86 	    continue;
87 	}
88 	if (val > 0 && player->argp[3] && *player->argp[3])
89 	    pr("%s old threshold %d\n",
90 	       xyas(nstr.x, nstr.y, player->cnum), val);
91 	sect.sct_dist[type] = thresh;
92 	putsect(&sect);
93     }
94     return RET_OK;
95 }
96