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

   1 /*
   2  *  Empire - A multi-player, client/server Internet based war game.
   3  *  Copyright (C) 1986-2004, 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  *  bomb.c: Fly bombing missions
  29  *
  30  *  Known contributors to this file:
  31  *     Dave Pare, 1986
  32  *     Ken Stevens, 1995
  33  *     Steve McClure, 1998-2000
  34  */
  35
  36 #include <ctype.h>
  37 #include <string.h>
  38 #include "misc.h"
  39 #include "player.h"
  40 #include "sect.h"
  41 #include "ship.h"
  42 #include "land.h"
  43 #include "item.h"
  44 #include "plane.h"
  45 #include "nuke.h"
  46 #include "retreat.h"
  47 #include "xy.h"
  48 #include "nsc.h"
  49 #include "news.h"
  50 #include "file.h"
  51 #include "nat.h"
  52 #include "path.h"
  53 #include "optlist.h"
  54 #include "damage.h"
  55 #include "commands.h"
  56
  57 static void pin_bomb(struct emp_qelem *list, struct sctstr *target);
  58 static void strat_bomb(struct emp_qelem *list, struct sctstr *target);
  59 static void comm_bomb(struct emp_qelem *list, struct sctstr *target);
  60 static void eff_bomb(struct emp_qelem *list, struct sctstr *target);
  61 static int pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp,
  62                                natid from, int flak);
  63 static void plane_bomb(struct emp_qelem *list, struct sctstr *target);
  64 static void land_bomb(struct emp_qelem *list, struct sctstr *target);
  65 static void ship_bomb(struct emp_qelem *list, struct sctstr *target);
  66
  67 static i_type bombcomm[] = {
  68     I_CIVIL,
  69     I_MILIT,
  70     I_SHELL,
  71     I_GUN,
  72     I_PETROL,
  73     I_IRON,
  74     I_DUST,
  75     I_BAR,
  76     I_FOOD,
  77     I_OIL,
  78     I_LCM,
  79     I_HCM,
  80     I_UW,
  81     I_RAD
  82 };
  83 static int nbomb = sizeof(bombcomm) / sizeof(int);
  84
  85 int
  86 bomb(void)
  87 {
  88     s_char *p;
  89     int mission_flags;
  90     coord tx, ty;
  91     coord ax, ay;
  92     int ap_to_target;
  93     struct ichrstr *ip;
  94     s_char flightpath[MAX_PATH_LEN];
  95     struct nstr_item ni_bomb;
  96     struct nstr_item ni_esc;
  97     coord x, y;
  98     struct sctstr target;
  99     struct emp_qelem bomb_list;
 100     struct emp_qelem esc_list;
 101     int wantflags;
 102     struct sctstr ap_sect;
 103     s_char mission;
 104     int rel;
 105     struct natstr *natp;
 106     s_char buf[1024];
 107
 108     wantflags = 0;
 109     if (!snxtitem(&ni_bomb, EF_PLANE, player->argp[1]))
 110         return RET_SYN;
 111     if (!snxtitem(&ni_esc, EF_PLANE,
 112                   getstarg(player->argp[2], "escort(s)? ", buf)))
 113         pr("No escorts...\n");
 114     if ((p =
 115          getstarg(player->argp[3], "pinpoint, or strategic? ", buf)) == 0)
 116         return RET_SYN;
 117     mission = *p;
 118     if (strchr("ps", mission) == 0)
 119         return RET_SYN;
 120     if ((p = getstarg(player->argp[4], "assembly point? ", buf)) == 0
 121         || *p == 0)
 122         return RET_SYN;
 123     if (!sarg_xy(p, &x, &y) || !getsect(x, y, &ap_sect))
 124         return RET_SYN;
 125     if (ap_sect.sct_own && ap_sect.sct_own != player->cnum &&
 126         getrel(getnatp(ap_sect.sct_own), player->cnum) != ALLIED) {
 127         pr("Assembly point not owned by you or an ally!\n");
 128         return RET_SYN;
 129     }
 130     ax = x;
 131     ay = y;
 132     if (getpath(flightpath, player->argp[5], ax, ay, 0, 0,
 133                 0, P_FLYING) == 0 || *flightpath == 0)
 134         return RET_SYN;
 135     tx = ax;
 136     ty = ay;
 137     (void)pathtoxy(flightpath, &tx, &ty, fcost);
 138     pr("target sector is %s\n", xyas(tx, ty, player->cnum));
 139     getsect(tx, ty, &target);
 140     ip = 0;
 141     ap_to_target = strlen(flightpath);
 142     if (*(flightpath + strlen(flightpath) - 1) == 'h')
 143         ap_to_target--;
 144     pr("range to target is %d\n", ap_to_target);
 145     /*
 146      * select planes within range
 147      */
 148     mission_flags = 0;
 149     pln_sel(&ni_bomb, &bomb_list, &ap_sect, ap_to_target,
 150             2, wantflags, P_M | P_O);
 151     pln_sel(&ni_esc, &esc_list, &ap_sect, ap_to_target,
 152             2, wantflags | P_F | P_ESC, P_M | P_O);
 153     /*
 154      * now arm and equip the bombers, transports, whatever.
 155      */
 156     mission_flags |= P_X;       /* stealth (shhh) */
 157     mission_flags |= P_H;       /* gets turned off if not all choppers */
 158     mission_flags = pln_arm(&bomb_list, 2 * ap_to_target, mission,
 159                             ip, 0, mission_flags);
 160     if (QEMPTY(&bomb_list)) {
 161         pr("No planes could be equipped for the mission.\n");
 162         return RET_FAIL;
 163     }
 164     mission_flags = pln_arm(&esc_list, 2 * ap_to_target, mission,
 165                             ip, P_F | P_ESC, mission_flags);
 166     ac_encounter(&bomb_list, &esc_list, ax, ay, flightpath, mission_flags,
 167                  0, 0, 0);
 168     if (QEMPTY(&bomb_list)) {
 169         pr("No planes got through fighter defenses\n");
 170     } else if (target.sct_type == SCT_SANCT) {
 171         pr("You can't bomb that sector!\n");
 172     } else {
 173         switch (mission) {
 174         case 'p':
 175             pin_bomb(&bomb_list, &target);
 176             break;
 177         case 's':
 178             if (opt_SLOW_WAR) {
 179                 natp = getnatp(player->cnum);
 180                 if (target.sct_own) {
 181                     rel = getrel(natp, target.sct_own);
 182                     if ((rel != AT_WAR) && (player->cnum != target.sct_own)
 183                         && (target.sct_own) &&
 184                         (target.sct_oldown != player->cnum)) {
 185                         pr("You're not at war with them!\n");
 186                         pln_put(&bomb_list);
 187                         pln_put(&esc_list);
 188                         return RET_FAIL;
 189                     }
 190                 }
 191             }
 192             nreport(player->cnum, N_SCT_BOMB, target.sct_own, 1);
 193             strat_bomb(&bomb_list, &target);
 194             break;
 195         default:
 196             pr("Bad mission %c\n", mission);
 197             break;
 198         }
 199     }
 200     pln_put(&bomb_list);
 201     pln_put(&esc_list);
 202     return RET_OK;
 203 }
 204
 205 static void
 206 pin_bomb(struct emp_qelem *list, struct sctstr *target)
 207 {
 208     struct dchrstr *dcp;
 209     int nplanes;
 210     int nships;
 211     int type;
 212     int bad;
 213     s_char *p;
 214     struct plist *plp;
 215     struct emp_qelem *qp;
 216     int bestacc;
 217     int nsubs;
 218     int nunits;
 219     struct natstr *natp;
 220     int rel;
 221     s_char buf[1024];
 222     int i;
 223
 224     bad = 0;
 225     type = target->sct_type;
 226     dcp = &dchr[type];
 227     pr("Target sector is a %s constructed %s\n",
 228        effadv((int)target->sct_effic), dcp->d_name);
 229     nsubs = 0;
 230     plp = (struct plist *)list->q_forw;
 231     if (plp->pcp->pl_flags & P_A) {
 232         bestacc = 0;
 233         for (qp = list->q_forw; qp != list; qp = qp->q_forw)
 234             plp = (struct plist *)qp;
 235         if (plp->plane.pln_acc < bestacc)
 236             bestacc = plp->plane.pln_acc;
 237         nships = num_shipsatxy(target->sct_x, target->sct_y, 0, 0);
 238         nsubs = nships - shipsatxy(target->sct_x, target->sct_y, 0, M_SUB);
 239         if (nsubs > 0)
 240             pr("Some subs are present in the sector.\n");
 241     } else {
 242         nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB);
 243     }
 244     nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0, list);
 245     nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 246   retry:
 247     p = getstring("Bomb what? (ship, plane, land unit, efficiency, commodities) ",
 248                   buf);
 249     if (p == 0 || *p == 0) {
 250         if (player->aborted)
 251             return;
 252         bad++;
 253         if (bad > 2)
 254             return;
 255         goto retry;
 256     }
 257     switch (*p) {
 258     case 'l':
 259         if (opt_SLOW_WAR) {
 260             natp = getnatp(player->cnum);
 261             if (target->sct_own) {
 262                 rel = getrel(natp, target->sct_own);
 263                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 264                     && (target->sct_own) &&
 265                     (target->sct_oldown != player->cnum)) {
 266                     pr("You're not at war with them!\n");
 267                     goto retry;
 268                 }
 269             }
 270         }
 271         if (nunits == 0) {
 272             pr("no units there\n");
 273             goto retry;
 274         }
 275         land_bomb(list, target);
 276         break;
 277     case 'p':
 278         if (opt_SLOW_WAR) {
 279             natp = getnatp(player->cnum);
 280             if (target->sct_own) {
 281                 rel = getrel(natp, target->sct_own);
 282                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 283                     && (target->sct_own) &&
 284                     (target->sct_oldown != player->cnum)) {
 285                     pr("You're not at war with them!\n");
 286                     goto retry;
 287                 }
 288             }
 289         }
 290         if (nplanes == 0) {
 291             pr("no planes there\n");
 292             goto retry;
 293         }
 294         plane_bomb(list, target);
 295         break;
 296     case 's':
 297         if (nships == 0) {
 298             if (((struct plist *)list->q_forw)->pcp->pl_flags & P_A) {
 299                 if (nsubs == 0) {
 300                     pr("no ships there\n");
 301                     goto retry;
 302                 }
 303             } else {
 304                 pr("no ships there\n");
 305                 goto retry;
 306             }
 307         }
 308         ship_bomb(list, target);
 309         break;
 310     case 'c':
 311         if (opt_SLOW_WAR) {
 312             natp = getnatp(player->cnum);
 313             if (target->sct_own) {
 314                 rel = getrel(natp, target->sct_own);
 315                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 316                     && (target->sct_own) &&
 317                     (target->sct_oldown != player->cnum)) {
 318                     pr("You're not at war with them!\n");
 319                     goto retry;
 320                 }
 321             }
 322         }
 323
 324         for (i = 0; i < nbomb; i++) {
 325             if (!target->sct_item[bombcomm[i]])
 326                 continue;
 327             break;
 328         }
 329         if (i >= nbomb) {
 330             pr("No bombable commodities in %s\n",
 331                xyas(target->sct_x, target->sct_y, player->cnum));
 332             goto retry;
 333         }
 334         comm_bomb(list, target);
 335         break;
 336     case 'e':
 337         if (opt_SLOW_WAR) {
 338             natp = getnatp(player->cnum);
 339             if (target->sct_own) {
 340                 rel = getrel(natp, target->sct_own);
 341                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 342                     && (target->sct_own) &&
 343                     (target->sct_oldown != player->cnum)) {
 344                     pr("You're not at war with them!\n");
 345                     goto retry;
 346                 }
 347             }
 348         }
 349         eff_bomb(list, target);
 350         break;
 351     case 'q':
 352         pr("Aborting mission.\n");
 353         return;
 354     default:
 355         pr("Bad target type.\n");
 356         goto retry;
 357     }
 358 }
 359
 360 static void
 361 eff_bomb(struct emp_qelem *list, struct sctstr *target)
 362 {
 363     struct plist *plp;
 364     struct emp_qelem *qp;
 365     struct sctstr sect;
 366     int oldeff, dam = 0;
 367     int nukedam;
 368
 369     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 370         plp = (struct plist *)qp;
 371         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 372             continue;
 373         if (plp->bombs || plp->plane.pln_nuketype != -1)
 374             dam +=
 375                 pln_damage(&plp->plane, target->sct_x, target->sct_y, 'p',
 376                            &nukedam, 1);
 377     }
 378     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 379         return;
 380     getsect(target->sct_x, target->sct_y, &sect);
 381     target = &sect;
 382     oldeff = target->sct_effic;
 383     target->sct_effic = effdamage(target->sct_effic, dam);
 384     target->sct_avail = effdamage(target->sct_avail, dam);
 385     target->sct_road = effdamage(target->sct_road, dam);
 386     target->sct_rail = effdamage(target->sct_rail, dam);
 387     target->sct_defense = effdamage(target->sct_defense, dam);
 388     if (!opt_DEFENSE_INFRA)
 389         target->sct_defense = target->sct_effic;
 390     pr("did %d%% damage to efficiency in %s\n",
 391        oldeff - target->sct_effic,
 392        xyas(target->sct_x, target->sct_y, player->cnum));
 393     if (target->sct_own)
 394         wu(0, target->sct_own,
 395            "%s bombing raid did %d%% damage in %s\n",
 396            cname(player->cnum), oldeff - target->sct_effic,
 397            xyas(target->sct_x, target->sct_y, target->sct_own));
 398     if (target->sct_effic < SCT_MINEFF) {
 399         if (target->sct_type == SCT_BSPAN)
 400             knockdown(target, list);
 401         else if (target->sct_type == SCT_BTOWER) {
 402             knockdown(target, list);
 403             bridgefall(target, list);
 404         }
 405     }
 406     putsect(&sect);
 407     collateral_damage(target->sct_x, target->sct_y, dam, list);
 408 }
 409
 410 static void
 411 comm_bomb(struct emp_qelem *list, struct sctstr *target)
 412 {
 413     struct plist *plp;
 414     float b;
 415     int i;
 416     int amt, before;
 417     struct ichrstr *ip;
 418     struct emp_qelem *qp;
 419     struct sctstr sect;
 420     int dam = 0;
 421     int nukedam;
 422
 423     for (i = 0; i < nbomb; i++) {
 424         if (target->sct_item[bombcomm[i]] == 0)
 425             continue;
 426         if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 427             continue;
 428         ip = &ichr[bombcomm[i]];
 429         pr("some %s\n", ip->i_name);
 430     }
 431     for (;;) {
 432         ip = whatitem((s_char *)0, "commodity to bomb? ");
 433         if (player->aborted)
 434             return;
 435         if (!ip)
 436             continue;
 437
 438         for (i = 0; i < nbomb; i++) {
 439             if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 440                 continue;
 441             if (&ichr[bombcomm[i]] == ip)
 442                 break;
 443         }
 444         if (i == nbomb) {
 445             pr("You can't bomb %s!\n", ip->i_name);
 446             for (i = 0; i < nbomb; i++) {
 447                 if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 448                     continue;
 449                 pr(i == 0 ? "Bombable: " : ", ");
 450                 pr(ichr[bombcomm[i]].i_name);
 451             }
 452             pr("\n");
 453         } else
 454             break;
 455     }
 456     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 457         plp = (struct plist *)qp;
 458         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 459             continue;
 460         if (plp->bombs || plp->plane.pln_nuketype != -1)
 461             dam +=
 462                 pln_damage(&plp->plane, target->sct_x, target->sct_y, 'p',
 463                            &nukedam, 1);
 464     }
 465     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 466         return;
 467     getsect(target->sct_x, target->sct_y, &sect);
 468     target = &sect;
 469     before = amt = target->sct_item[ip->i_vtype];
 470     target->sct_item[ip->i_vtype] = amt = commdamage(amt, dam, ip->i_vtype);
 471     if (before > 0.0)
 472         b = 100.0 * (1.0 - ((float)amt / (float)before));
 473     else
 474         b = 0.0;
 475     pr("did %.2f%% damage to %s in %s\n",
 476        b, ip->i_name, xyas(target->sct_x, target->sct_y, player->cnum));
 477     nreport(player->cnum, N_SCT_BOMB, target->sct_own, 1);
 478     if (target->sct_own != 0)
 479         wu(0, target->sct_own,
 480            "%s precision bombing raid did %.2f%% damage to %s in %s\n",
 481            cname(player->cnum), b, ip->i_name,
 482            xyas(target->sct_x, target->sct_y, target->sct_own));
 483     putsect(&sect);
 484     collateral_damage(target->sct_x, target->sct_y, dam, list);
 485 }
 486
 487 static void
 488 ship_bomb(struct emp_qelem *list, struct sctstr *target)
 489 {
 490     struct plist *plp;
 491     int onsea;
 492     struct mchrstr *mcp;
 493     int dam;
 494     s_char *q;
 495     int n;
 496     struct emp_qelem *qp;
 497     int shipno;
 498     int ignore;
 499     struct shpstr ship;
 500     int nships = 0;
 501     struct shiplook head, *s, *s2;
 502     s_char buf[1024];
 503     s_char prompt[128];
 504     s_char msg[128];
 505     int hitchance;
 506     int nukedam;
 507     int flak;
 508     int gun;
 509     int shell;
 510
 511     memset(&head, 0, sizeof(struct shiplook));
 512     head.uid = -1;
 513     onsea = (target->sct_type == SCT_WATER) ? 1 : 0;
 514     for (qp = list->q_forw; qp != list && !player->aborted;
 515          qp = qp->q_forw) {
 516         if (head.uid != -1) {
 517             s = head.next;
 518             while (s != (struct shiplook *)0) {
 519                 s2 = s;
 520                 s = s->next;
 521                 free(s2);
 522             }
 523         }
 524         memset(&head, 0, sizeof(struct shiplook));
 525         head.uid = -1;
 526         plp = (struct plist *)qp;
 527         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 528             continue;
 529         if (plp->pcp->pl_flags & P_A)
 530             nships = asw_shipsatxy(target->sct_x, target->sct_y, 0, 0,
 531                                    &plp->plane, &head);
 532         else
 533             nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB);
 534         if (nships == 0) {
 535             pr("%s could not find any ships!\n", prplane(&plp->plane));
 536             continue;
 537         }
 538         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 539                       prplane(&plp->plane), plp->bombs);
 540         ignore = 0;
 541         shipno = -1;
 542         while (shipno < 0 && !player->aborted && !ignore) {
 543             if ((q = getstring(prompt, buf)) == 0 || *q == 0)
 544                 continue;
 545             if (*q == '~') {
 546                 ignore = 1;
 547                 continue;
 548             }
 549             if (*q == '?') {
 550                 if (plp->pcp->pl_flags & P_A)
 551                     print_found(&head);
 552                 else
 553                     shipsatxy(target->sct_x, target->sct_y, 0, M_SUB);
 554                 continue;
 555             }
 556             if (*q == 'd')
 557                 goto next;
 558             if (!isdigit(*q))
 559                 continue;
 560             n = atoi(q);
 561             if (n < 0)
 562                 continue;
 563             if (getship(n, &ship) && ship.shp_x == target->sct_x &&
 564                 ship.shp_y == target->sct_y)
 565                 shipno = n;
 566         }
 567         if (shipno < 0)
 568             continue;
 569
 570         shell = gun = 0;
 571         gun = min(ship.shp_item[I_GUN], ship.shp_glim);
 572         if (gun > 0) {
 573             shell = ship.shp_item[I_SHELL];
 574             if (shell <= 0)
 575                 shell = supply_commod(ship.shp_own, ship.shp_x,
 576                                       ship.shp_y, I_SHELL, 1);
 577         }
 578         mcp = &mchr[(int)ship.shp_type];
 579         if (gun > 0 && shell > 0 && !(mcp->m_flags & M_SUB)) {
 580             flak = (int)(techfact(ship.shp_tech, (double)gun) * 2.0);
 581             ship.shp_item[I_SHELL] = shell;
 582             putship(ship.shp_uid, &ship);
 583             sprintf(msg, "Flak! Firing %d guns from ship %s\n",
 584                     flak, prship(&ship));
 585             PR(ship.shp_own, msg);
 586             if (pinflak_planedamage(&plp->plane, plp->pcp, ship.shp_own, flak))
 587                 continue;
 588         }
 589
 590         dam = 0;
 591         if (plp->plane.pln_nuketype != -1)
 592             hitchance = 100;
 593         else {
 594             hitchance =
 595                 pln_hitchance(&plp->plane, shp_hardtarget(&ship), EF_SHIP);
 596             pr("%d%% hitchance...", hitchance);
 597         }
 598         if (roll(100) <= hitchance) {
 599             /* pinbombing is more accurate than normal bombing */
 600             dam =
 601                 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 602                                'p', &nukedam, 1);
 603         } else {
 604             pr("splash\n");
 605             /* Bombs that miss have to land somewhere! */
 606             dam =
 607                 pln_damage(&plp->plane, target->sct_x, target->sct_y, 'p',
 608                            &nukedam, 0);
 609             collateral_damage(target->sct_x, target->sct_y, dam, list);
 610             dam = 0;
 611         }
 612         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 613             continue;
 614         if (mcp->m_flags & M_SUB)
 615             nreport(player->cnum, N_SUB_BOMB, ship.shp_own, 1);
 616         else
 617             nreport(player->cnum, N_SHP_BOMB, ship.shp_own, 1);
 618         if (ship.shp_own) {
 619             wu(0, ship.shp_own, "%s bombs did %d damage to %s at %s\n",
 620                cname(player->cnum), dam,
 621                prship(&ship),
 622                xyas(target->sct_x, target->sct_y, ship.shp_own));
 623         }
 624         pr("\n");
 625         check_retreat_and_do_shipdamage(&ship, dam);
 626         if (ship.shp_rflags & RET_BOMBED)
 627             if (((ship.shp_rflags & RET_INJURED) == 0) || !dam)
 628                 retreat_ship(&ship, 'b');
 629         putship(ship.shp_uid, &ship);
 630         getship(ship.shp_uid, &ship);
 631         if (!ship.shp_own) {
 632             pr("%s at %s sunk!\n",
 633                prship(&ship),
 634                xyas(target->sct_x, target->sct_y, player->cnum));
 635         }
 636         collateral_damage(target->sct_x, target->sct_y, dam / 2, list);
 637       next:
 638         ;
 639     }
 640     s = head.next;
 641     while (s != (struct shiplook *)0) {
 642         s2 = s;
 643         s = s->next;
 644         free(s2);
 645     }
 646 }
 647
 648 static void
 649 plane_bomb(struct emp_qelem *list, struct sctstr *target)
 650 {
 651     int dam;
 652     s_char *q;
 653     int n;
 654     natid own;
 655     struct plnstr plane;
 656     struct emp_qelem *qp;
 657     int planeno;
 658     int ignore;
 659     struct plist *plp;
 660     s_char prompt[128];
 661     s_char buf[1024];
 662     int hitchance;
 663     int nukedam;
 664     int nplanes;
 665
 666     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 667         plp = (struct plist *)qp;
 668         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 669             continue;
 670         nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0, list);
 671         if (nplanes == 0) {
 672             pr("%s could not find any planes!\n", prplane(&plp->plane));
 673             continue;
 674         }
 675         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 676                       prplane(&plp->plane), plp->bombs);
 677         planeno = -1;
 678         ignore = 0;
 679         while (planeno < 0 && !player->aborted && !ignore) {
 680             if ((q = getstring(prompt, buf)) == 0 || *q == 0)
 681                 continue;
 682             if (*q == '~') {
 683                 ignore = 1;
 684                 continue;
 685             }
 686             if (*q == '?') {
 687                 planesatxy(target->sct_x, target->sct_y, 0, 0, list);
 688                 continue;
 689             }
 690             if (*q == 'd')
 691                 goto next;
 692             n = atoi(q);
 693             if (n < 0)
 694                 continue;
 695             if (getplane(n, &plane) &&
 696                 plane.pln_x == target->sct_x &&
 697                 plane.pln_y == target->sct_y &&
 698                 ((plane.pln_flags & PLN_LAUNCHED) == 0) &&
 699                 (!ac_isflying(&plane, list)))
 700                 planeno = n;
 701             else
 702                 pr("Plane #%d not spotted\n", n);
 703         }
 704         if (planeno < 0)
 705             continue;
 706         dam = 0;
 707         if (plp->plane.pln_nuketype != -1)
 708             hitchance = 100;
 709         else {
 710             hitchance = pln_hitchance(&plp->plane, 0, EF_PLANE);
 711             pr("%d%% hitchance...", hitchance);
 712         }
 713         if (roll(100) <= hitchance) {
 714             /* pinbombing is more accurate than normal bombing */
 715             dam =
 716                 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 717                                'p', &nukedam, 1);
 718         } else {
 719             pr("thud\n");
 720             /* Bombs that miss have to land somewhere! */
 721             dam =
 722                 pln_damage(&plp->plane, target->sct_x, target->sct_y, 'p',
 723                            &nukedam, 0);
 724             collateral_damage(target->sct_x, target->sct_y, dam, list);
 725             dam = 0;
 726         }
 727         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 728             continue;
 729         if (dam > 100)
 730             dam = 100;
 731         own = plane.pln_own;
 732         if (dam > plane.pln_effic) {
 733             plane.pln_effic = 0;
 734             makelost(EF_PLANE, plane.pln_own, plane.pln_uid, plane.pln_x,
 735                      plane.pln_y);
 736             plane.pln_own = 0;
 737         } else
 738             plane.pln_effic -= dam;
 739         plane.pln_mobil = (dam * plane.pln_mobil / 100.0);
 740         if (own == player->cnum) {
 741             pr("%s reports %d%% damage\n", prplane(&plane), dam);
 742         } else {
 743             if (own != 0)
 744                 wu(0, own,
 745                    "%s pinpoint bombing raid did %d%% damage to %s\n",
 746                    cname(player->cnum), dam, prplane(&plane));
 747         }
 748         nreport(player->cnum, N_DOWN_PLANE, own, 1);
 749         if (own != 0)
 750             wu(0, own, "%s bombs did %d%% damage to %s at %s\n",
 751                cname(player->cnum), dam, prplane(&plane),
 752                xyas(target->sct_x, target->sct_y, own));
 753         putplane(plane.pln_uid, &plane);
 754         collateral_damage(plane.pln_x, plane.pln_y, dam, list);
 755       next:
 756         ;
 757     }
 758 }
 759
 760 static void
 761 land_bomb(struct emp_qelem *list, struct sctstr *target)
 762 {
 763     int dam;
 764     s_char *q;
 765     int n;
 766     natid own;
 767     s_char prompt[128];
 768     s_char buf[1024];
 769     s_char msg[128];
 770     struct lndstr land;
 771     struct lchrstr *lcp;
 772     struct emp_qelem *qp;
 773     int unitno;
 774     int ignore, flak, hitchance;
 775     struct plist *plp;
 776     int nukedam;
 777     int nunits;
 778
 779     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 780         plp = (struct plist *)qp;
 781         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 782             continue;
 783         nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 784         if (nunits == 0) {
 785             pr("%s could not find any units!\n", prplane(&plp->plane));
 786             continue;
 787         }
 788         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 789                       prplane(&plp->plane), plp->bombs);
 790         unitno = -1;
 791         ignore = 0;
 792         while (unitno < 0 && !player->aborted && !ignore) {
 793             if ((q = getstring(prompt, buf)) == 0 || *q == 0)
 794                 continue;
 795             if (*q == '~') {
 796                 ignore = 1;
 797                 continue;
 798             }
 799             if (*q == '?') {
 800                 unitsatxy(target->sct_x, target->sct_y, 0, 0);
 801                 continue;
 802             }
 803             if (*q == 'd')
 804                 goto next;
 805             n = atoi(q);
 806             if (n < 0)
 807                 continue;
 808             if (getland(n, &land) &&
 809                 land.lnd_x == target->sct_x && land.lnd_y == target->sct_y)
 810                 unitno = n;
 811             else
 812                 pr("Unit #%d not spotted\n", n);
 813         }
 814         if (unitno < 0)
 815             continue;
 816
 817         lcp = &lchr[(int)land.lnd_type];
 818
 819         flak = (int)(techfact(land.lnd_tech, (double)land.lnd_aaf) * 3.0);
 820         if (flak) {
 821             sprintf(msg,
 822                     "Flak! Firing flak guns from unit %s (aa rating %d)\n",
 823                     prland(&land), land.lnd_aaf);
 824             PR(land.lnd_own, msg);
 825             if (pinflak_planedamage(&plp->plane, plp->pcp, land.lnd_own, flak))
 826                 continue;
 827         }
 828
 829         dam = 0;
 830         if (plp->plane.pln_nuketype != -1)
 831             hitchance = 100;
 832         else {
 833             hitchance =
 834                 pln_hitchance(&plp->plane, lnd_hardtarget(&land), EF_LAND);
 835             pr("%d%% hitchance...", hitchance);
 836         }
 837         if (roll(100) <= hitchance) {
 838             dam =
 839                 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 840                                'p', &nukedam, 1);
 841         } else {
 842             pr("thud\n");
 843             /* Bombs that miss have to land somewhere! */
 844             dam =
 845                 pln_damage(&plp->plane, target->sct_x, target->sct_y, 'p',
 846                            &nukedam, 0);
 847             collateral_damage(target->sct_x, target->sct_y, dam, list);
 848             dam = 0;
 849         }
 850         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 851             continue;
 852         if (dam > 100)
 853             dam = 100;
 854         own = land.lnd_own;
 855         if (own != 0)
 856             mpr(own,
 857                 "%s pinpoint bombing raid did %d damage to %s\n",
 858                 cname(player->cnum), dam, prland(&land));
 859         check_retreat_and_do_landdamage(&land, dam);
 860
 861         if (land.lnd_rflags & RET_BOMBED)
 862             if (((land.lnd_rflags & RET_INJURED) == 0) || !dam)
 863                 retreat_land(&land, 'b');
 864         nreport(player->cnum, N_UNIT_BOMB, own, 1);
 865         putland(land.lnd_uid, &land);
 866         collateral_damage(land.lnd_x, land.lnd_y, dam, list);
 867       next:
 868         ;
 869     }
 870 }
 871
 872 static void
 873 strat_bomb(struct emp_qelem *list, struct sctstr *target)
 874 {
 875     struct plist *plp;
 876     int dam = 0;
 877     struct emp_qelem *qp;
 878     struct sctstr sect;
 879     int nukedam;
 880
 881     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 882         plp = (struct plist *)qp;
 883         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 884             continue;
 885         if (plp->bombs || plp->plane.pln_nuketype != -1)
 886             dam +=
 887                 pln_damage(&plp->plane, target->sct_x, target->sct_y, 's',
 888                            &nukedam, 1);
 889     }
 890     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 891         return;
 892     getsect(target->sct_x, target->sct_y, &sect);
 893     target = &sect;
 894     if (target->sct_own)
 895         wu(0, target->sct_own, "%s bombing raid did %d damage in %s\n",
 896            cname(player->cnum), PERCENT_DAMAGE(dam),
 897            xyas(target->sct_x, target->sct_y, target->sct_own));
 898
 899     sectdamage(target, dam, list);
 900
 901     pr("did %d damage in %s\n", PERCENT_DAMAGE(dam),
 902        xyas(target->sct_x, target->sct_y, player->cnum));
 903     putsect(&sect);
 904 }
 905
 906 #define FLAK_MAX 15
 907 float lflaktable[16] = { 0.20, 0.20, 0.25, 0.30, 0.35, 0.40, 0.45, 0.50,
 908     0.50, 0.55, 0.60, 0.65, 0.70, 0.75, 0.80, 0.85,
 909 };
 910
 911 static int
 912 pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp, natid from,
 913                     int flak)
 914 {
 915     int disp;
 916     s_char dmess[255];
 917     int eff;
 918     s_char mesg[128];
 919     struct shpstr ship;
 920     struct lndstr land;
 921     natid plane_owner;
 922     int dam;
 923     float mult;
 924
 925     flak -= (pp->pln_def + 1);
 926     if (pcp->pl_flags & P_X)
 927         flak -= 2;
 928     if (pcp->pl_flags & P_H)
 929         flak -= 1;
 930     if (flak > 8)
 931         mult = lflaktable[FLAK_MAX] * 1.33;
 932     else if (flak < -7)
 933         mult = lflaktable[0] * 0.66;
 934     else {
 935         flak += 7;
 936         mult = lflaktable[flak];
 937     }
 938     mult *= flakscale;
 939     dam = (int)((roll(8) + 2) * mult);
 940     if (dam > 100)
 941         dam = 100;
 942
 943     disp = 0;
 944     plane_owner = pp->pln_own;
 945     eff = pp->pln_effic;
 946     if (dam <= 0)
 947         return 0;
 948     memset(dmess, 0, sizeof(dmess));
 949     eff -= dam;
 950     if (eff < 0)
 951         eff = 0;
 952     if (eff < PLANE_MINEFF) {
 953         sprintf(dmess, " -- shot down");
 954         disp = 1;
 955     } else if (chance((100 - eff) / 100.0)) {
 956         sprintf(dmess, " -- aborted with %d%%%% damage", 100 - eff);
 957         disp = 2;
 958     }
 959     sprintf(mesg, "    Flak! %s %s takes %d%s.\n",
 960             cname(pp->pln_own), prplane(pp), dam, dmess);
 961     PR(plane_owner, mesg);
 962
 963     pp->pln_effic = eff;
 964     if (disp == 1) {
 965         if (from != 0)
 966             nreport(from, N_DOWN_PLANE, pp->pln_own, 1);
 967         if (pp->pln_ship >= 0) {
 968             getship(pp->pln_ship, &ship);
 969             take_plane_off_ship(pp, &ship);
 970         }
 971         if (pp->pln_land >= 0) {
 972             getland(pp->pln_land, &land);
 973             take_plane_off_land(pp, &land);
 974         }
 975         makelost(EF_PLANE, pp->pln_own, pp->pln_uid, pp->pln_x, pp->pln_y);
 976         pp->pln_own = 0;
 977         putplane(pp->pln_uid, pp);
 978     } else
 979         putplane(pp->pln_uid, pp);
 980
 981     if (disp > 0)
 982         return 1;
 983     return 0;
 984 }