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