]> git.pond.sub.org Git - empserver/blob - src/lib/commands/scra.c
Clean up rules on where you can scrap stuff
[empserver] / src / lib / commands / scra.c
1 /*
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
5  *
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.
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, write to the Free Software
18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  *
20  *  ---
21  *
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.
25  *
26  *  ---
27  *
28  *  scra.c: Scrap ships, planes or land units
29  * 
30  *  Known contributors to this file:
31  *     Steve McClure, 2000
32  */
33
34 #include <config.h>
35
36 #include <ctype.h>
37 #include "commands.h"
38 #include "empobj.h"
39 #include "optlist.h"
40
41 int
42 scra(void)
43 {
44     struct nstr_item ni;
45     union empobj_storage item;
46     int type;
47     struct sctstr sect;
48     struct mchrstr *mp;
49     struct plchrstr *pp;
50     struct lchrstr *lp;
51     char *p;
52     i_type i;
53     struct nstr_item ni2;
54     struct plnstr plane;
55     struct lndstr land;
56     struct sctstr sect2;
57     char prompt[128];
58     char buf[1024];
59     float eff;
60
61     if (!(p = getstarg(player->argp[1], "Ship, land, or plane? ", buf)))
62         return RET_SYN;
63     switch (*p) {
64     case 's':
65         type = EF_SHIP;
66         break;
67     case 'p':
68         type = EF_PLANE;
69         break;
70     case 'l':
71         type = EF_LAND;
72         break;
73     default:
74         pr("Ships, land units, or planes only! (s, l, p)\n");
75         return RET_SYN;
76     }
77     sprintf(prompt, "%s(s)? ", ef_nameof(type));
78     if ((p = getstarg(player->argp[2], prompt, buf)) == 0)
79         return RET_SYN;
80     if (!snxtitem(&ni, type, p, NULL))
81         return RET_SYN;
82     if (p && (isalpha(*p) || (*p == '*') || (*p == '~') || issector(p)
83               || islist(p))) {
84         char y_or_n[80], bbuf[80];
85
86         memset(y_or_n, 0, sizeof(y_or_n));
87         if (type == EF_SHIP) {
88             if (*p == '*')
89                 sprintf(bbuf, "all ships");
90             else if (*p == '~')
91                 sprintf(bbuf, "all unassigned ships");
92             else if (issector(p))
93                 sprintf(bbuf, "all ships in %s", p);
94             else if (isalpha(*p))
95                 sprintf(bbuf, "fleet %c", *p);
96             else
97                 sprintf(bbuf, "ships %s", p);
98         } else if (type == EF_LAND) {
99             if (*p == '*')
100                 sprintf(bbuf, "all land units");
101             else if (*p == '~')
102                 sprintf(bbuf, "all unassigned land units");
103             else if (issector(p))
104                 sprintf(bbuf, "all units in %s", p);
105             else if (isalpha(*p))
106                 sprintf(bbuf, "army %c", *p);
107             else
108                 sprintf(bbuf, "units %s", p);
109         } else {
110             if (*p == '*')
111                 sprintf(bbuf, "all planes");
112             else if (*p == '~')
113                 sprintf(bbuf, "all unassigned planes");
114             else if (issector(p))
115                 sprintf(bbuf, "all planes in %s", p);
116             else if (isalpha(*p))
117                 sprintf(bbuf, "wing %c", *p);
118             else
119                 sprintf(bbuf, "planes %s", p);
120         }
121
122         sprintf(y_or_n, "Really scrap %s [n]? ", bbuf);
123         if (!confirm(y_or_n))
124             return RET_FAIL;
125     }
126     while (nxtitem(&ni, &item)) {
127         if (!player->owner)
128             continue;
129
130         if (opt_MARKET) {
131             if (ontradingblock(type, &item.ship)) {
132                 pr("You cannot scrap an item on the trading block!\n");
133                 continue;
134             }
135         }
136
137         getsect(item.gen.x, item.gen.y, &sect);
138         if (type == EF_SHIP) {
139             if (!player->owner
140                 && getrel(getnatp(sect.sct_own), player->cnum) < FRIENDLY) {
141                 pr("%s is not in a friendly harbor!\n",
142                    prship(&item.ship));
143                 continue;
144             }
145             if (sect.sct_type != SCT_HARBR || sect.sct_effic < 60) {
146                 pr("%s is not in a 60%% efficient harbor!\n",
147                    prship(&item.ship));
148                 continue;
149             }
150         } else {
151             if (!player->owner
152                 && getrel(getnatp(sect.sct_own), player->cnum) != ALLIED) {
153                 pr("%s is not in an allied sector!\n",
154                    obj_nameof(&item.gen));
155                 continue;
156             }
157             if (type == EF_PLANE
158                 && (sect.sct_type != SCT_AIRPT || sect.sct_effic < 60)) {
159                 pr("%s is not in a 60%% efficient airfield!\n",
160                    prplane(&item.plane));
161                 continue;
162             }
163         }
164
165         if (type == EF_SHIP) {
166             eff = item.ship.shp_effic / 100.0;
167             mp = &mchr[(int)item.ship.shp_type];
168             if (opt_TRADESHIPS) {
169                 if (mp->m_flags & M_TRADE) {
170                     pr("WARNING: You only collect money from trade ships if you \"scuttle\" them!\n");
171                     sprintf(prompt,
172                             "Are you really sure that you want to scrap %s (n)? ",
173                             prship(&item.ship));
174                     if (!confirm(prompt)) {
175                         pr("%s not scrapped\n", prship(&item.ship));
176                         continue;
177                     }
178                 }
179             }
180             for (i = I_NONE + 1; i <= I_MAX; i++) {
181                 sect.sct_item[i] += item.ship.shp_item[i];
182             }
183             sect.sct_item[I_LCM] += mp->m_lcm * 2 / 3 * eff;
184             sect.sct_item[I_HCM] += mp->m_hcm * 2 / 3 * eff;
185             getsect(item.ship.shp_x, item.ship.shp_y, &sect2);
186             snxtitem_cargo(&ni2, EF_PLANE, EF_SHIP, item.ship.shp_uid);
187             while (nxtitem(&ni2, &plane)) {
188                 wu(0, plane.pln_own,
189                    "Plane %d transferred off ship %d to %s\n",
190                    ni2.cur, item.ship.shp_uid,
191                    xyas(plane.pln_x, plane.pln_y, player->cnum));
192                 plane.pln_ship = -1;
193                 if (sect2.sct_own != plane.pln_own) {
194                     wu(0, plane.pln_own,
195                        "%s given to %s\n", prplane(&plane),
196                        cname(sect2.sct_own));
197                     wu(0, sect2.sct_own,
198                        "%s given to you by %s\n", prplane(&plane),
199                        cname(player->cnum));
200                 }
201                 plane.pln_own = sect2.sct_own;
202                 putplane(plane.pln_uid, &plane);
203             }
204             snxtitem_cargo(&ni2, EF_LAND, EF_SHIP, item.ship.shp_uid);
205             while (nxtitem(&ni2, &land)) {
206                 wu(0, land.lnd_own,
207                    "Land unit %d transferred off ship %d to %s\n",
208                    ni2.cur, item.ship.shp_uid,
209                    xyas(land.lnd_x, land.lnd_y, player->cnum));
210                 land.lnd_ship = -1;
211                 if (sect2.sct_own != land.lnd_own) {
212                     wu(0, land.lnd_own,
213                        "%s given to %s\n", prland(&land),
214                        cname(sect2.sct_own));
215                     wu(0, sect2.sct_own,
216                        "%s given to you by %s\n", prland(&land),
217                        cname(player->cnum));
218                 }
219                 land.lnd_own = sect2.sct_own;
220                 putland(land.lnd_uid, &land);
221             }
222             item.ship.shp_effic = 0;
223             putship(item.ship.shp_uid, &item.ship);
224         } else if (type == EF_LAND) {
225             eff = item.land.lnd_effic / 100.0;
226             lp = &lchr[(int)item.land.lnd_type];
227             for (i = I_NONE + 1; i <= I_MAX; i++) {
228                 sect.sct_item[i] += item.land.lnd_item[i];
229             }
230             sect.sct_item[I_LCM] += lp->l_lcm * 2 / 3 * eff;
231             sect.sct_item[I_HCM] += lp->l_hcm * 2 / 3 * eff;
232             getsect(item.land.lnd_x, item.land.lnd_y, &sect2);
233
234             snxtitem_cargo(&ni2, EF_LAND, EF_LAND, item.land.lnd_uid);
235             while (nxtitem(&ni2, &land)) {
236                 wu(0, land.lnd_own,
237                    "Land unit %d transferred off land unit %d to %s\n",
238                    land.lnd_uid, item.land.lnd_uid,
239                    xyas(land.lnd_x, land.lnd_y, player->cnum));
240                 land.lnd_land = -1;
241                 if (sect2.sct_own != land.lnd_own) {
242                     wu(0, land.lnd_own,
243                        "%s given to %s\n", prland(&land),
244                        cname(sect2.sct_own));
245                     wu(0, sect2.sct_own,
246                        "%s given to you by %s\n", prland(&land),
247                        cname(player->cnum));
248                 }
249                 land.lnd_own = sect2.sct_own;
250                 putland(land.lnd_uid, &land);
251             }
252
253             snxtitem_cargo(&ni2, EF_PLANE, EF_LAND, item.land.lnd_uid);
254             while (nxtitem(&ni2, &plane)) {
255                 wu(0, plane.pln_own,
256                    "Plane %d transferred off land unit %d to %s\n",
257                    ni2.cur, item.land.lnd_uid,
258                    xyas(plane.pln_x, plane.pln_y, player->cnum));
259                 plane.pln_land = -1;
260                 if (sect2.sct_own != plane.pln_own) {
261                     wu(0, plane.pln_own,
262                        "%s given to %s\n", prplane(&plane),
263                        cname(sect2.sct_own));
264                     wu(0, sect2.sct_own,
265                        "%s given to you by %s\n", prplane(&plane),
266                        cname(player->cnum));
267                 }
268                 plane.pln_own = sect2.sct_own;
269                 putplane(plane.pln_uid, &plane);
270             }
271             item.land.lnd_effic = 0;
272             putland(item.land.lnd_uid, &item.land);
273         } else {
274             eff = item.land.lnd_effic / 100.0;
275             pp = &plchr[(int)item.plane.pln_type];
276             sect.sct_item[I_LCM] += pp->pl_lcm * 2 / 3 * eff;
277             sect.sct_item[I_HCM] += pp->pl_hcm * 2 / 3 * eff;
278             sect.sct_item[I_MILIT] += pp->pl_crew;
279             item.plane.pln_effic = 0;
280             putplane(item.plane.pln_uid, &item.plane);
281         }
282         pr("%s scrapped in %s\n",
283            obj_nameof(&item.gen),
284            xyas(item.gen.x, item.gen.y, player->cnum));
285         for (i = I_NONE + 1; i <= I_MAX; i++) {
286             if (sect.sct_item[i] > ITEM_MAX)
287                 sect.sct_item[i] = ITEM_MAX;
288         }
289         putsect(&sect);
290     }
291     return RET_OK;
292 }