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 * check.c: Check a sector, plane, land unit, ship or nuke
28 *
29 * Known contributors to this file:
30 * Steve McClure, 1998
31 * Markus Armbruster, 2004-2014
32 */
33
34 #include <config.h>
35
36 #include <ctype.h>
37 #include "commodity.h"
38 #include "empobj.h"
39 #include "player.h"
40 #include "prototypes.h"
41 #include "xy.h"
42
43 static int
obj_changed(struct empobj * obj)44 obj_changed(struct empobj *obj)
45 {
46 union empobj_storage old;
47
48 if (!get_empobj(obj->ef_type, obj->uid, &old))
49 return 0;
50 if (!ef_typedstr_eq((struct ef_typedstr *)&old,
51 (struct ef_typedstr *)obj))
52 return 1;
53 ef_mark_fresh(obj->ef_type, obj);
54 return 0;
55 }
56
57 int
check_obj_ok(struct empobj * obj)58 check_obj_ok(struct empobj *obj)
59 {
60 char *s;
61
62 if (obj_changed(obj)) {
63 if (obj->ef_type == EF_SECTOR)
64 pr("Sector %s has changed!\n",
65 xyas(obj->x, obj->y, player->cnum));
66 else {
67 s = ef_nameof_pretty(obj->ef_type);
68 pr("%c%s %d has changed!\n", toupper(*s), s + 1, obj->uid);
69 }
70 return 0;
71 }
72 return 1;
73 }
74
75 int
check_sect_ok(struct sctstr * sectp)76 check_sect_ok(struct sctstr *sectp)
77 {
78 return check_obj_ok((struct empobj *)sectp);
79 }
80
81 int
check_ship_ok(struct shpstr * shipp)82 check_ship_ok(struct shpstr *shipp)
83 {
84 return check_obj_ok((struct empobj *)shipp);
85 }
86
87 int
check_plane_ok(struct plnstr * planep)88 check_plane_ok(struct plnstr *planep)
89 {
90 return check_obj_ok((struct empobj *)planep);
91 }
92
93 int
check_land_ok(struct lndstr * landp)94 check_land_ok(struct lndstr *landp)
95 {
96 return check_obj_ok((struct empobj *)landp);
97 }
98
99 int
check_nuke_ok(struct nukstr * nukep)100 check_nuke_ok(struct nukstr *nukep)
101 {
102 return check_obj_ok((struct empobj *)nukep);
103 }
104
105 int
check_loan_ok(struct lonstr * loanp)106 check_loan_ok(struct lonstr *loanp)
107 {
108 return check_obj_ok((struct empobj *)loanp);
109 }
110
111 int
check_comm_ok(struct comstr * commp)112 check_comm_ok(struct comstr *commp)
113 {
114 return check_obj_ok((struct empobj *)commp);
115 }
116
117 int
check_trade_ok(struct trdstr * tp)118 check_trade_ok(struct trdstr *tp)
119 {
120 return check_obj_ok((struct empobj *)tp);
121 }
122