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) 1986-2000, 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 "var.h"
  38 #include "xy.h"
  39 #include "sect.h"
  40 #include "ship.h"
  41 #include "plane.h"
  42 #include "land.h"
  43 #include "nat.h"
  44 #include "nsc.h"
  45 #include "file.h"
  46 #include "commands.h"
  47 #include "optlist.h"
  48
  49 union item_u {
  50     struct shpstr ship;
  51     struct plnstr plane;
  52     struct lndstr land;
  53 };
  54
  55 int
  56 scra(void)
  57 {
  58     struct nstr_item ni;
  59     union item_u item;
  60     int vec[I_MAX + 1];
  61     int itemvec[I_MAX + 1];
  62     int type;
  63     struct sctstr sect;
  64     struct mchrstr *mp;
  65     struct plchrstr *pp;
  66     struct lchrstr *lp;
  67     s_char *p;
  68     int i;
  69     struct nstr_item ni2;
  70     struct plnstr plane;
  71     struct lndstr land;
  72     struct sctstr sect2;
  73     s_char prompt[128];
  74     s_char buf[1024];
  75     float eff;
  76
  77     if (!(p = getstarg(player->argp[1], "Ship, land, or plane? ", buf)))
  78         return RET_SYN;
  79     switch (*p) {
  80     case 's':
  81         type = EF_SHIP;
  82         break;
  83     case 'p':
  84         type = EF_PLANE;
  85         break;
  86     case 'l':
  87         type = EF_LAND;
  88         break;
  89     default:
  90         pr("Ships, land units, or planes only! (s, l, p)\n");
  91         return RET_SYN;
  92     }
  93     sprintf(prompt, "%s(s)? ", ef_nameof(type));
  94     if ((p = getstarg(player->argp[2], prompt, buf)) == 0)
  95         return RET_SYN;
  96     if (!snxtitem(&ni, type, p))
  97         return RET_SYN;
  98     if (p && (isalpha(*p) || (*p == '*') || (*p == '~') || issector(p)
  99               || islist(p))) {
 100         s_char y_or_n[80], bbuf[80];
 101
 102         memset(y_or_n, 0, sizeof(y_or_n));
 103         if (type == EF_SHIP) {
 104             if (*p == '*')
 105                 sprintf(bbuf, "all ships");
 106             else if (*p == '~')
 107                 sprintf(bbuf, "all unassigned ships");
 108             else if (issector(p))
 109                 sprintf(bbuf, "all ships in %s", p);
 110             else if (isalpha(*p))
 111                 sprintf(bbuf, "fleet %c", *p);
 112             else
 113                 sprintf(bbuf, "ships %s", p);
 114         } else if (type == EF_LAND) {
 115             if (*p == '*')
 116                 sprintf(bbuf, "all land units");
 117             else if (*p == '~')
 118                 sprintf(bbuf, "all unassigned land units");
 119             else if (issector(p))
 120                 sprintf(bbuf, "all units in %s", p);
 121             else if (isalpha(*p))
 122                 sprintf(bbuf, "army %c", *p);
 123             else
 124                 sprintf(bbuf, "units %s", p);
 125         } else {
 126             if (*p == '*')
 127                 sprintf(bbuf, "all planes");
 128             else if (*p == '~')
 129                 sprintf(bbuf, "all unassigned planes");
 130             else if (issector(p))
 131                 sprintf(bbuf, "all planes in %s", p);
 132             else if (isalpha(*p))
 133                 sprintf(bbuf, "wing %c", *p);
 134             else
 135                 sprintf(bbuf, "planes %s", p);
 136         }
 137
 138         sprintf(y_or_n, "Really scrap %s [n]? ", bbuf);
 139         if (!confirm(y_or_n))
 140             return RET_FAIL;
 141     }
 142     while (nxtitem(&ni, (s_char *)&item)) {
 143         if (!player->owner)
 144             continue;
 145
 146         if (opt_MARKET) {
 147             if (ontradingblock(type, (int *)&item.ship)) {
 148                 pr("You cannot scrap an item on the trading block!\n");
 149                 continue;
 150             }
 151         }
 152
 153         if (type == EF_SHIP) {
 154             getsect(item.ship.shp_x, item.ship.shp_y, &sect);
 155             if (sect.sct_type != SCT_HARBR)
 156                 continue;
 157             if (sect.sct_effic < 60 || sect.sct_own != player->cnum)
 158                 continue;
 159         } else if (type == EF_LAND) {
 160             if (item.land.lnd_ship >= 0) {
 161                 pr("%s is on a ship, and cannot be scrapped!\n",
 162                    prland(&item.land));
 163                 continue;
 164             }
 165             getsect(item.land.lnd_x, item.land.lnd_y, &sect);
 166         } else {
 167             getsect(item.plane.pln_x, item.plane.pln_y, &sect);
 168             if (sect.sct_type != SCT_AIRPT)
 169                 continue;
 170             if (sect.sct_effic < 60 ||
 171                 (sect.sct_own != player->cnum &&
 172                  getrel(getnatp(sect.sct_own), player->cnum) < FRIENDLY))
 173                 continue;
 174         }
 175         getvec(VT_ITEM, vec, (s_char *)&sect, EF_SECTOR);
 176         if (type == EF_SHIP) {
 177             eff = ((float)item.ship.shp_effic / 100.0);
 178             mp = &mchr[(int)item.ship.shp_type];
 179             if (opt_TRADESHIPS) {
 180                 if (mp->m_flags & M_TRADE) {
 181                     pr("WARNING: You only collect money from trade ships if you \"scuttle\" them!\n");
 182                     sprintf(prompt,
 183                             "Are you really sure that you want to scrap %s (n)? ",
 184                             prship(&item.ship));
 185                     if (!confirm(prompt)) {
 186                         pr("%s not scrapped\n", prship(&item.ship));
 187                         continue;
 188                     }
 189                 }
 190             }
 191             pr("%s", prship(&item.ship));
 192             getvec(VT_ITEM, itemvec, (s_char *)&item.ship, EF_SHIP);
 193             for (i = 1; i <= I_MAX; i++) {
 194                 vec[i] += itemvec[i];
 195             }
 196             vec[I_LCM] += mp->m_lcm * 2 / 3 * eff;
 197             vec[I_HCM] += mp->m_hcm * 2 / 3 * eff;
 198             getsect(item.ship.shp_x, item.ship.shp_y, &sect2);
 199             snxtitem_all(&ni2, EF_PLANE);
 200             while (nxtitem(&ni2, (s_char *)&plane)) {
 201                 if (plane.pln_own == 0)
 202                     continue;
 203                 if (plane.pln_ship == item.ship.shp_uid) {
 204                     wu(0, plane.pln_own,
 205                        "Plane %d transferred off ship %d to %s\n",
 206                        ni2.cur, item.ship.shp_uid,
 207                        xyas(plane.pln_x, plane.pln_y, player->cnum));
 208                     plane.pln_ship = -1;
 209                     if (sect2.sct_own != plane.pln_own) {
 210                         wu(0, plane.pln_own,
 211                            "%s given to %s\n", prplane(&plane),
 212                            cname(sect2.sct_own));
 213                         wu(0, sect2.sct_own,
 214                            "%s given to you by %s\n", prplane(&plane),
 215                            cname(player->cnum));
 216                     }
 217                     makelost(EF_PLANE, plane.pln_own, plane.pln_uid,
 218                              plane.pln_x, plane.pln_y);
 219                     plane.pln_own = sect2.sct_own;
 220                     makenotlost(EF_PLANE, plane.pln_own, plane.pln_uid,
 221                                 plane.pln_x, plane.pln_y);
 222                     putplane(plane.pln_uid, (s_char *)&plane);
 223                 }
 224             }
 225             snxtitem_all(&ni2, EF_LAND);
 226             while (nxtitem(&ni2, (s_char *)&land)) {
 227                 if (land.lnd_own == 0)
 228                     continue;
 229                 if (land.lnd_ship == item.ship.shp_uid) {
 230                     wu(0, land.lnd_own,
 231                        "Land unit %d transferred off ship %d to %s\n",
 232                        ni2.cur, item.ship.shp_uid,
 233                        xyas(land.lnd_x, land.lnd_y, player->cnum));
 234                     land.lnd_ship = -1;
 235                     if (sect2.sct_own != land.lnd_own) {
 236                         wu(0, land.lnd_own,
 237                            "%s given to %s\n", prland(&land),
 238                            cname(sect2.sct_own));
 239                         wu(0, sect2.sct_own,
 240                            "%s given to you by %s\n", prland(&land),
 241                            cname(player->cnum));
 242                     }
 243                     makelost(EF_LAND, land.lnd_own, land.lnd_uid,
 244                              land.lnd_x, land.lnd_y);
 245                     land.lnd_own = sect2.sct_own;
 246                     makenotlost(EF_LAND, land.lnd_own, land.lnd_uid,
 247                                 land.lnd_x, land.lnd_y);
 248                     putland(land.lnd_uid, (s_char *)&land);
 249                 }
 250             }
 251             makelost(EF_SHIP, item.ship.shp_own, item.ship.shp_uid,
 252                      item.ship.shp_x, item.ship.shp_y);
 253             item.ship.shp_own = 0;
 254             putship(item.ship.shp_uid, (s_char *)&item.ship);
 255         } else if (type == EF_LAND) {
 256             eff = ((float)item.land.lnd_effic / 100.0);
 257             lp = &lchr[(int)item.land.lnd_type];
 258             pr("%s", prland(&item.land));
 259             getvec(VT_ITEM, itemvec, (s_char *)&item.land, EF_LAND);
 260             for (i = 1; i <= I_MAX; i++) {
 261                 vec[i] += itemvec[i];
 262             }
 263 /* Military, guns and shells are not required to build land units */
 264 /*                      vec[I_MILIT] += total_mil(&item.land);*/
 265 /*                      vec[I_GUN] += lp->l_gun * 2 / 3 * eff;*/
 266 /*                      vec[I_SHELL] += lp->l_shell * 2 / 3 * eff;*/
 267             vec[I_LCM] += lp->l_lcm * 2 / 3 * eff;
 268             vec[I_HCM] += lp->l_hcm * 2 / 3 * eff;
 269             getsect(item.land.lnd_x, item.land.lnd_y, &sect2);
 270
 271             snxtitem_all(&ni2, EF_LAND);
 272             while (nxtitem(&ni2, (s_char *)&land)) {
 273                 if (land.lnd_own == 0)
 274                     continue;
 275                 if (land.lnd_land == item.land.lnd_uid) {
 276                     wu(0, land.lnd_own,
 277                        "Land unit %d transferred off land unit %d to %s\n",
 278                        land.lnd_uid, item.land.lnd_uid,
 279                        xyas(land.lnd_x, land.lnd_y, player->cnum));
 280                     land.lnd_land = -1;
 281                     if (sect2.sct_own != land.lnd_own) {
 282                         wu(0, land.lnd_own,
 283                            "%s given to %s\n", prland(&land),
 284                            cname(sect2.sct_own));
 285                         wu(0, sect2.sct_own,
 286                            "%s given to you by %s\n", prland(&land),
 287                            cname(player->cnum));
 288                     }
 289                     makelost(EF_LAND, land.lnd_own, land.lnd_uid,
 290                              land.lnd_x, land.lnd_y);
 291                     land.lnd_own = sect2.sct_own;
 292                     makenotlost(EF_LAND, land.lnd_own, land.lnd_uid,
 293                                 land.lnd_x, land.lnd_y);
 294                     putland(land.lnd_uid, (s_char *)&land);
 295                 }
 296             }
 297
 298             snxtitem_all(&ni2, EF_PLANE);
 299             while (nxtitem(&ni2, (s_char *)&plane)) {
 300                 if (plane.pln_own == 0)
 301                     continue;
 302                 if (plane.pln_land == item.land.lnd_uid) {
 303                     wu(0, plane.pln_own,
 304                        "Plane %d transferred off land unit %d to %s\n",
 305                        ni2.cur, item.land.lnd_uid,
 306                        xyas(plane.pln_x, plane.pln_y, player->cnum));
 307                     plane.pln_land = -1;
 308                     if (sect2.sct_own != plane.pln_own) {
 309                         wu(0, plane.pln_own,
 310                            "%s given to %s\n", prplane(&plane),
 311                            cname(sect2.sct_own));
 312                         wu(0, sect2.sct_own,
 313                            "%s given to you by %s\n", prplane(&plane),
 314                            cname(player->cnum));
 315                     }
 316                     makelost(EF_PLANE, plane.pln_own, plane.pln_uid,
 317                              plane.pln_x, plane.pln_y);
 318                     plane.pln_own = sect2.sct_own;
 319                     makenotlost(EF_PLANE, plane.pln_own, plane.pln_uid,
 320                                 plane.pln_x, plane.pln_y);
 321                     putplane(plane.pln_uid, (s_char *)&plane);
 322                 }
 323             }
 324             makelost(EF_LAND, item.land.lnd_own, item.land.lnd_uid,
 325                      item.land.lnd_x, item.land.lnd_y);
 326             item.land.lnd_own = 0;
 327             putland(item.land.lnd_uid, (s_char *)&item.land);
 328         } else {
 329             eff = ((float)item.land.lnd_effic / 100.0);
 330             pp = &plchr[(int)item.plane.pln_type];
 331             pr("%s", prplane(&item.plane));
 332             vec[I_LCM] += pp->pl_lcm * 2 / 3 * eff;
 333             vec[I_HCM] += pp->pl_hcm * 2 / 3 * eff;
 334             vec[I_MILIT] += pp->pl_crew;
 335             makelost(EF_PLANE, item.plane.pln_own, item.plane.pln_uid,
 336                      item.plane.pln_x, item.plane.pln_y);
 337             item.plane.pln_own = 0;
 338             putplane(item.plane.pln_uid, (s_char *)&item.plane);
 339         }
 340         pr(" scrapped in %s\n",
 341            xyas(sect.sct_x, sect.sct_y, player->cnum));
 342         putvec(VT_ITEM, vec, (s_char *)&sect, EF_SECTOR);
 343         putsect(&sect);
 344     }
 345     return RET_OK;
 346 }