git.pond.sub.org Git - empserver/blob - src/lib/commands/scra.c

   1 /*
   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
   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 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.
  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
  35 #include "misc.h"
  36 #include "player.h"
  37 #include "xy.h"
  38 #include "sect.h"
  39 #include "ship.h"
  40 #include "plane.h"
  41 #include "land.h"
  42 #include "nat.h"
  43 #include "nsc.h"
  44 #include "file.h"
  45 #include "commands.h"
  46 #include "optlist.h"
  47
  48 union item_u {
  49     struct shpstr ship;
  50     struct plnstr plane;
  51     struct lndstr land;
  52 };
  53
  54 int
  55 scra(void)
  56 {
  57     struct nstr_item ni;
  58     union item_u item;
  59     int type;
  60     struct sctstr sect;
  61     struct mchrstr *mp;
  62     struct plchrstr *pp;
  63     struct lchrstr *lp;
  64     s_char *p;
  65     i_type i;
  66     struct nstr_item ni2;
  67     struct plnstr plane;
  68     struct lndstr land;
  69     struct sctstr sect2;
  70     s_char prompt[128];
  71     s_char buf[1024];
  72     float eff;
  73
  74     if (!(p = getstarg(player->argp[1], "Ship, land, or plane? ", buf)))
  75         return RET_SYN;
  76     switch (*p) {
  77     case 's':
  78         type = EF_SHIP;
  79         break;
  80     case 'p':
  81         type = EF_PLANE;
  82         break;
  83     case 'l':
  84         type = EF_LAND;
  85         break;
  86     default:
  87         pr("Ships, land units, or planes only! (s, l, p)\n");
  88         return RET_SYN;
  89     }
  90     sprintf(prompt, "%s(s)? ", ef_nameof(type));
  91     if ((p = getstarg(player->argp[2], prompt, buf)) == 0)
  92         return RET_SYN;
  93     if (!snxtitem(&ni, type, p))
  94         return RET_SYN;
  95     if (p && (isalpha(*p) || (*p == '*') || (*p == '~') || issector(p)
  96               || islist(p))) {
  97         s_char y_or_n[80], bbuf[80];
  98
  99         memset(y_or_n, 0, sizeof(y_or_n));
 100         if (type == EF_SHIP) {
 101             if (*p == '*')
 102                 sprintf(bbuf, "all ships");
 103             else if (*p == '~')
 104                 sprintf(bbuf, "all unassigned ships");
 105             else if (issector(p))
 106                 sprintf(bbuf, "all ships in %s", p);
 107             else if (isalpha(*p))
 108                 sprintf(bbuf, "fleet %c", *p);
 109             else
 110                 sprintf(bbuf, "ships %s", p);
 111         } else if (type == EF_LAND) {
 112             if (*p == '*')
 113                 sprintf(bbuf, "all land units");
 114             else if (*p == '~')
 115                 sprintf(bbuf, "all unassigned land units");
 116             else if (issector(p))
 117                 sprintf(bbuf, "all units in %s", p);
 118             else if (isalpha(*p))
 119                 sprintf(bbuf, "army %c", *p);
 120             else
 121                 sprintf(bbuf, "units %s", p);
 122         } else {
 123             if (*p == '*')
 124                 sprintf(bbuf, "all planes");
 125             else if (*p == '~')
 126                 sprintf(bbuf, "all unassigned planes");
 127             else if (issector(p))
 128                 sprintf(bbuf, "all planes in %s", p);
 129             else if (isalpha(*p))
 130                 sprintf(bbuf, "wing %c", *p);
 131             else
 132                 sprintf(bbuf, "planes %s", p);
 133         }
 134
 135         sprintf(y_or_n, "Really scrap %s [n]? ", bbuf);
 136         if (!confirm(y_or_n))
 137             return RET_FAIL;
 138     }
 139     while (nxtitem(&ni, (s_char *)&item)) {
 140         if (!player->owner)
 141             continue;
 142
 143         if (opt_MARKET) {
 144             if (ontradingblock(type, (int *)&item.ship)) {
 145                 pr("You cannot scrap an item on the trading block!\n");
 146                 continue;
 147             }
 148         }
 149
 150         if (type == EF_SHIP) {
 151             getsect(item.ship.shp_x, item.ship.shp_y, &sect);
 152             if (sect.sct_type != SCT_HARBR)
 153                 continue;
 154             if (sect.sct_effic < 60 || sect.sct_own != player->cnum)
 155                 continue;
 156         } else if (type == EF_LAND) {
 157             if (item.land.lnd_ship >= 0) {
 158                 pr("%s is on a ship, and cannot be scrapped!\n",
 159                    prland(&item.land));
 160                 continue;
 161             }
 162             getsect(item.land.lnd_x, item.land.lnd_y, &sect);
 163         } else {
 164             getsect(item.plane.pln_x, item.plane.pln_y, &sect);
 165             if (sect.sct_type != SCT_AIRPT)
 166                 continue;
 167             if (sect.sct_effic < 60 ||
 168                 (sect.sct_own != player->cnum &&
 169                  getrel(getnatp(sect.sct_own), player->cnum) < FRIENDLY))
 170                 continue;
 171         }
 172         if (type == EF_SHIP) {
 173             eff = ((float)item.ship.shp_effic / 100.0);
 174             mp = &mchr[(int)item.ship.shp_type];
 175             if (opt_TRADESHIPS) {
 176                 if (mp->m_flags & M_TRADE) {
 177                     pr("WARNING: You only collect money from trade ships if you \"scuttle\" them!\n");
 178                     sprintf(prompt,
 179                             "Are you really sure that you want to scrap %s (n)? ",
 180                             prship(&item.ship));
 181                     if (!confirm(prompt)) {
 182                         pr("%s not scrapped\n", prship(&item.ship));
 183                         continue;
 184                     }
 185                 }
 186             }
 187             pr("%s", prship(&item.ship));
 188             for (i = I_NONE + 1; i <= I_MAX; i++) {
 189                 sect.sct_item[i] += item.ship.shp_item[i];
 190             }
 191             sect.sct_item[I_LCM] += mp->m_lcm * 2 / 3 * eff;
 192             sect.sct_item[I_HCM] += mp->m_hcm * 2 / 3 * eff;
 193             getsect(item.ship.shp_x, item.ship.shp_y, &sect2);
 194             snxtitem_all(&ni2, EF_PLANE);
 195             while (nxtitem(&ni2, (s_char *)&plane)) {
 196                 if (plane.pln_own == 0)
 197                     continue;
 198                 if (plane.pln_ship == item.ship.shp_uid) {
 199                     wu(0, plane.pln_own,
 200                        "Plane %d transferred off ship %d to %s\n",
 201                        ni2.cur, item.ship.shp_uid,
 202                        xyas(plane.pln_x, plane.pln_y, player->cnum));
 203                     plane.pln_ship = -1;
 204                     if (sect2.sct_own != plane.pln_own) {
 205                         wu(0, plane.pln_own,
 206                            "%s given to %s\n", prplane(&plane),
 207                            cname(sect2.sct_own));
 208                         wu(0, sect2.sct_own,
 209                            "%s given to you by %s\n", prplane(&plane),
 210                            cname(player->cnum));
 211                     }
 212                     makelost(EF_PLANE, plane.pln_own, plane.pln_uid,
 213                              plane.pln_x, plane.pln_y);
 214                     plane.pln_own = sect2.sct_own;
 215                     makenotlost(EF_PLANE, plane.pln_own, plane.pln_uid,
 216                                 plane.pln_x, plane.pln_y);
 217                     putplane(plane.pln_uid, (s_char *)&plane);
 218                 }
 219             }
 220             snxtitem_all(&ni2, EF_LAND);
 221             while (nxtitem(&ni2, (s_char *)&land)) {
 222                 if (land.lnd_own == 0)
 223                     continue;
 224                 if (land.lnd_ship == item.ship.shp_uid) {
 225                     wu(0, land.lnd_own,
 226                        "Land unit %d transferred off ship %d to %s\n",
 227                        ni2.cur, item.ship.shp_uid,
 228                        xyas(land.lnd_x, land.lnd_y, player->cnum));
 229                     land.lnd_ship = -1;
 230                     if (sect2.sct_own != land.lnd_own) {
 231                         wu(0, land.lnd_own,
 232                            "%s given to %s\n", prland(&land),
 233                            cname(sect2.sct_own));
 234                         wu(0, sect2.sct_own,
 235                            "%s given to you by %s\n", prland(&land),
 236                            cname(player->cnum));
 237                     }
 238                     makelost(EF_LAND, land.lnd_own, land.lnd_uid,
 239                              land.lnd_x, land.lnd_y);
 240                     land.lnd_own = sect2.sct_own;
 241                     makenotlost(EF_LAND, land.lnd_own, land.lnd_uid,
 242                                 land.lnd_x, land.lnd_y);
 243                     putland(land.lnd_uid, (s_char *)&land);
 244                 }
 245             }
 246             makelost(EF_SHIP, item.ship.shp_own, item.ship.shp_uid,
 247                      item.ship.shp_x, item.ship.shp_y);
 248             item.ship.shp_own = 0;
 249             putship(item.ship.shp_uid, (s_char *)&item.ship);
 250         } else if (type == EF_LAND) {
 251             eff = ((float)item.land.lnd_effic / 100.0);
 252             lp = &lchr[(int)item.land.lnd_type];
 253             pr("%s", prland(&item.land));
 254             for (i = I_NONE + 1; i <= I_MAX; i++) {
 255                 sect.sct_item[i] += item.land.lnd_item[i];
 256             }
 257             sect.sct_item[I_LCM] += lp->l_lcm * 2 / 3 * eff;
 258             sect.sct_item[I_HCM] += lp->l_hcm * 2 / 3 * eff;
 259             getsect(item.land.lnd_x, item.land.lnd_y, &sect2);
 260
 261             snxtitem_all(&ni2, EF_LAND);
 262             while (nxtitem(&ni2, (s_char *)&land)) {
 263                 if (land.lnd_own == 0)
 264                     continue;
 265                 if (land.lnd_land == item.land.lnd_uid) {
 266                     wu(0, land.lnd_own,
 267                        "Land unit %d transferred off land unit %d to %s\n",
 268                        land.lnd_uid, item.land.lnd_uid,
 269                        xyas(land.lnd_x, land.lnd_y, player->cnum));
 270                     land.lnd_land = -1;
 271                     if (sect2.sct_own != land.lnd_own) {
 272                         wu(0, land.lnd_own,
 273                            "%s given to %s\n", prland(&land),
 274                            cname(sect2.sct_own));
 275                         wu(0, sect2.sct_own,
 276                            "%s given to you by %s\n", prland(&land),
 277                            cname(player->cnum));
 278                     }
 279                     makelost(EF_LAND, land.lnd_own, land.lnd_uid,
 280                              land.lnd_x, land.lnd_y);
 281                     land.lnd_own = sect2.sct_own;
 282                     makenotlost(EF_LAND, land.lnd_own, land.lnd_uid,
 283                                 land.lnd_x, land.lnd_y);
 284                     putland(land.lnd_uid, (s_char *)&land);
 285                 }
 286             }
 287
 288             snxtitem_all(&ni2, EF_PLANE);
 289             while (nxtitem(&ni2, (s_char *)&plane)) {
 290                 if (plane.pln_own == 0)
 291                     continue;
 292                 if (plane.pln_land == item.land.lnd_uid) {
 293                     wu(0, plane.pln_own,
 294                        "Plane %d transferred off land unit %d to %s\n",
 295                        ni2.cur, item.land.lnd_uid,
 296                        xyas(plane.pln_x, plane.pln_y, player->cnum));
 297                     plane.pln_land = -1;
 298                     if (sect2.sct_own != plane.pln_own) {
 299                         wu(0, plane.pln_own,
 300                            "%s given to %s\n", prplane(&plane),
 301                            cname(sect2.sct_own));
 302                         wu(0, sect2.sct_own,
 303                            "%s given to you by %s\n", prplane(&plane),
 304                            cname(player->cnum));
 305                     }
 306                     makelost(EF_PLANE, plane.pln_own, plane.pln_uid,
 307                              plane.pln_x, plane.pln_y);
 308                     plane.pln_own = sect2.sct_own;
 309                     makenotlost(EF_PLANE, plane.pln_own, plane.pln_uid,
 310                                 plane.pln_x, plane.pln_y);
 311                     putplane(plane.pln_uid, (s_char *)&plane);
 312                 }
 313             }
 314             makelost(EF_LAND, item.land.lnd_own, item.land.lnd_uid,
 315                      item.land.lnd_x, item.land.lnd_y);
 316             item.land.lnd_own = 0;
 317             putland(item.land.lnd_uid, (s_char *)&item.land);
 318         } else {
 319             eff = ((float)item.land.lnd_effic / 100.0);
 320             pp = &plchr[(int)item.plane.pln_type];
 321             pr("%s", prplane(&item.plane));
 322             sect.sct_item[I_LCM] += pp->pl_lcm * 2 / 3 * eff;
 323             sect.sct_item[I_HCM] += pp->pl_hcm * 2 / 3 * eff;
 324             sect.sct_item[I_MILIT] += pp->pl_crew;
 325             makelost(EF_PLANE, item.plane.pln_own, item.plane.pln_uid,
 326                      item.plane.pln_x, item.plane.pln_y);
 327             item.plane.pln_own = 0;
 328             putplane(item.plane.pln_uid, (s_char *)&item.plane);
 329         }
 330         pr(" scrapped in %s\n",
 331            xyas(sect.sct_x, sect.sct_y, player->cnum));
 332         for (i = I_NONE + 1; i <= I_MAX; i++) {
 333             if (sect.sct_item[i] > ITEM_MAX)
 334                 sect.sct_item[i] = ITEM_MAX;
 335         }
 336         putsect(&sect);
 337     }
 338     return RET_OK;
 339 }