src/battle.c

   1 #include "sst.h"
   2
   3 void doshield(bool raise)
   4 /* change shield status */
   5 {
   6     int key;
   7     enum {NONE, SHUP, SHDN, NRG} action = NONE;
   8
   9     game.ididit = false;
  10
  11     if (raise)
  12         action = SHUP;
  13     else {
  14         key = scan();
  15         if (key == IHALPHA) {
  16             if (isit("transfer"))
  17                 action = NRG;
  18             else {
  19                 chew();
  20                 if (damaged(DSHIELD)) {
  21                     prout(_("Shields damaged and down."));
  22                     return;
  23                 }
  24                 if (isit("up"))
  25                     action = SHUP;
  26                 else if (isit("down"))
  27                     action = SHDN;
  28             }
  29         }
  30         if (action==NONE) {
  31             proutn(_("Do you wish to change shield energy? "));
  32             if (ja() == true) {
  33                 proutn(_("Energy to transfer to shields- "));
  34                 action = NRG;
  35             }
  36             else if (damaged(DSHIELD)) {
  37                 prout(_("Shields damaged and down."));
  38                 return;
  39             }
  40             else if (game.shldup) {
  41                 proutn(_("Shields are up. Do you want them down? "));
  42                 if (ja() == true)
  43                     action = SHDN;
  44                 else {
  45                     chew();
  46                     return;
  47                 }
  48             }
  49             else {
  50                 proutn(_("Shields are down. Do you want them up? "));
  51                 if (ja() == true)
  52                     action = SHUP;
  53                 else {
  54                     chew();
  55                     return;
  56                 }
  57             }
  58         }
  59     }
  60     switch (action) {
  61     case SHUP: /* raise shields */
  62         if (game.shldup) {
  63             prout(_("Shields already up."));
  64             return;
  65         }
  66         game.shldup = true;
  67         game.shldchg = true;
  68         if (game.condition != docked)
  69             game.energy -= 50.0;
  70         prout(_("Shields raised."));
  71         if (game.energy <= 0) {
  72             skip(1);
  73             prout(_("Shields raising uses up last of energy."));
  74             finish(FNRG);
  75             return;
  76         }
  77         game.ididit=true;
  78         return;
  79     case SHDN:
  80         if (!game.shldup) {
  81             prout(_("Shields already down."));
  82             return;
  83         }
  84         game.shldup=false;
  85         game.shldchg=true;
  86         prout(_("Shields lowered."));
  87         game.ididit = true;
  88         return;
  89     case NRG:
  90         while (scan() != IHREAL) {
  91             chew();
  92             proutn(_("Energy to transfer to shields- "));
  93         }
  94         chew();
  95         if (aaitem==0)
  96             return;
  97         if (aaitem > game.energy) {
  98             prout(_("Insufficient ship energy."));
  99             return;
 100         }
 101         game.ididit = true;
 102         if (game.shield+aaitem >= game.inshld) {
 103             prout(_("Shield energy maximized."));
 104             if (game.shield+aaitem > game.inshld) {
 105                 prout(_("Excess energy requested returned to ship energy"));
 106             }
 107             game.energy -= game.inshld-game.shield;
 108             game.shield = game.inshld;
 109             return;
 110         }
 111         if (aaitem < 0.0 && game.energy-aaitem > game.inenrg) {
 112             /* Prevent shield drain loophole */
 113             skip(1);
 114             prout(_("Engineering to bridge--"));
 115             prout(_("  Scott here. Power circuit problem, Captain."));
 116             prout(_("  I can't drain the shields."));
 117             game.ididit = false;
 118             return;
 119         }
 120         if (game.shield+aaitem < 0) {
 121             prout(_("All shield energy transferred to ship."));
 122             game.energy += game.shield;
 123             game.shield = 0.0;
 124             return;
 125         }
 126         proutn(_("Scotty- \""));
 127         if (aaitem > 0)
 128             prout(_("Transferring energy to shields.\""));
 129         else
 130             prout(_("Draining energy from shields.\""));
 131         game.shield += aaitem;
 132         game.energy -= aaitem;
 133         return;
 134     case NONE:; /* avoid gcc warning */
 135     }
 136 }
 137
 138 static int randdevice(void)
 139 /* choose a device to damage, at random. */
 140 {
 141     /*
 142      * Quoth Eric Allman in the code of BSD-Trek:
 143      * "Under certain conditions you can get a critical hit.  This
 144      * sort of hit damages devices.  The probability that a given
 145      * device is damaged depends on the device.  Well protected
 146      * devices (such as the computer, which is in the core of the
 147      * ship and has considerable redundancy) almost never get
 148      * damaged, whereas devices which are exposed (such as the
 149      * warp engines) or which are particularly delicate (such as
 150      * the transporter) have a much higher probability of being
 151      * damaged."
 152      *
 153      * This is one place where OPTION_PLAIN does not restore the
 154      * original behavior, which was equiprobable damage across
 155      * all devices.  If we wanted that, we'd return NDEVICES*Rand()
 156      * and have done with it.  Also, in the original game, DNAVYS
 157      * and DCOMPTR were the same device.
 158      *
 159      * Instead, we use a table of weights similar to the one from BSD Trek.
 160      * BSD doesn't have the shuttle, shield controller, death ray, or probes.
 161      * We don't have a cloaking device.  The shuttle got the allocation
 162      * for the cloaking device, then we shaved a half-percent off
 163      * everything to have some weight to give DSHCTRL/DDRAY/DDSP.
 164      */
 165     static int weights[NDEVICES] = {
 166         105,    /* DSRSENS: short range scanners        10.5% */
 167         105,    /* DLRSENS: long range scanners         10.5% */
 168         120,    /* DPHASER: phasers                     12.0% */
 169         120,    /* DPHOTON: photon torpedoes            12.0% */
 170         25,     /* DLIFSUP: life support                 2.5% */
 171         65,     /* DWARPEN: warp drive                   6.5% */
 172         70,     /* DIMPULS: impulse engines              6.5% */
 173         145,    /* DSHIELD: deflector shields           14.5% */
 174         30,     /* DRADIO:  subspace radio               3.0% */
 175         45,     /* DSHUTTL: shuttle                      4.5% */
 176         15,     /* DCOMPTR: computer                     1.5% */
 177         20,     /* NAVCOMP: navigation system            2.0% */
 178         75,     /* DTRANSP: transporter                  7.5% */
 179         20,     /* DSHCTRL: high-speed shield controller 2.0% */
 180         10,     /* DDRAY: death ray                      1.0% */
 181         30,     /* DDSP: deep-space probes               3.0% */
 182     };
 183     int sum, i, idx = Rand() * 1000.0;  /* weights must sum to 1000 */
 184
 185     for (i = sum = 0; i < NDEVICES; i++) {
 186         sum += weights[i];
 187         if (idx < sum)
 188             return i;
 189     }
 190     return -1;  /* we should never get here, but this quiets GCC */
 191 }
 192
 193 void ram(bool ibumpd, feature ienm, coord w)
 194 /* make our ship ram something */
 195 {
 196     double hardness, extradm;
 197     int icas, m, ncrits;
 198
 199     prouts(_("***RED ALERT!  RED ALERT!"));
 200     skip(1);
 201     prout(_("***COLLISION IMMINENT."));
 202     skip(2);
 203     proutn("***");
 204     crmshp();
 205     switch (ienm) {
 206     case IHR: hardness = 1.5; break;
 207     case IHC: hardness = 2.0; break;
 208     case IHS: hardness = 2.5; break;
 209     case IHT: hardness = 0.5; break;
 210     case IHQUEST: hardness = 4.0; break;
 211     default: hardness = 1.0; break;
 212     }
 213     proutn(ibumpd ? _(" rammed by ") : _(" rams "));
 214     crmena(false, ienm, sector, w);
 215     if (ibumpd)
 216         proutn(_(" (original position)"));
 217     skip(1);
 218     deadkl(w, ienm, game.sector);
 219     proutn("***");
 220     crmshp();
 221     prout(_(" heavily damaged."));
 222     icas = 10.0+20.0*Rand();
 223     prout(_("***Sickbay reports %d casualties"), icas);
 224     game.casual += icas;
 225     game.state.crew -= icas;
 226     /*
 227      * In the pre-SST2K version, all devices got equiprobably damaged,
 228      * which was silly.  Instead, pick up to half the devices at
 229      * random according to our weighting table,
 230      */
 231     ncrits = Rand() * (NDEVICES/2);
 232     for (m=0; m < ncrits; m++) {
 233         int dev = randdevice();
 234         if (game.damage[dev] < 0)
 235             continue;
 236         extradm = (10.0*hardness*Rand()+1.0)*game.damfac;
 237         /* Damage for at least time of travel! */
 238         game.damage[dev] += game.optime + extradm;
 239     }
 240     game.shldup = false;
 241     prout(_("***Shields are down."));
 242     if (KLINGREM) {
 243         pause_game(true);
 244         dreprt();
 245     }
 246     else
 247         finish(FWON);
 248     return;
 249 }
 250
 251 void torpedo(double course, double r, coord in, double *hit, int i, int n)
 252 /* let a photon torpedo fly */
 253 {
 254     int l, iquad=0, ll;
 255     bool shoved = false;
 256     double ac=course + 0.25*r;
 257     double angle = (15.0-ac)*0.5235988;
 258     double bullseye = (15.0 - course)*0.5235988;
 259     double deltax=-sin(angle), deltay=cos(angle), x=in.x, y=in.y, bigger;
 260     double ang, temp, xx, yy, kp, h1;
 261     struct quadrant *q = &game.state.galaxy[game.quadrant.x][game.quadrant.y];
 262     coord w, jw;
 263
 264     w.x = w.y = jw.x = jw.y = 0;
 265     bigger = fabs(deltax);
 266     if (fabs(deltay) > bigger)
 267         bigger = fabs(deltay);
 268     deltax /= bigger;
 269     deltay /= bigger;
 270     if (!damaged(DSRSENS) || game.condition==docked)
 271         setwnd(srscan_window);
 272     else
 273         setwnd(message_window);
 274     /* Loop to move a single torpedo */
 275     for (l=1; l <= 15; l++) {
 276         x += deltax;
 277         w.x = x + 0.5;
 278         y += deltay;
 279         w.y = y + 0.5;
 280         if (!VALID_SECTOR(w.x, w.y))
 281             break;
 282         iquad=game.quad[w.x][w.y];
 283         tracktorpedo(w, l, i, n, iquad);
 284         if (iquad==IHDOT)
 285             continue;
 286         /* hit something */
 287         setwnd(message_window);
 288         if (damaged(DSRSENS) && !game.condition==docked)
 289             skip(1);    /* start new line after text track */
 290         switch(iquad) {
 291         case IHE: /* Hit our ship */
 292         case IHF:
 293             skip(1);
 294             proutn(_("Torpedo hits "));
 295             crmshp();
 296             prout(".");
 297             *hit = 700.0 + 100.0*Rand() -
 298                 1000.0 * distance(w, in) * fabs(sin(bullseye-angle));
 299             *hit = fabs(*hit);
 300             newcnd(); /* we're blown out of dock */
 301             /* We may be displaced. */
 302             if (game.landed || game.condition==docked)
 303                 return; /* Cheat if on a planet */
 304             ang = angle + 2.5*(Rand()-0.5);
 305             temp = fabs(sin(ang));
 306             if (fabs(cos(ang)) > temp)
 307                 temp = fabs(cos(ang));
 308             xx = -sin(ang)/temp;
 309             yy = cos(ang)/temp;
 310             jw.x=w.x+xx+0.5;
 311             jw.y=w.y+yy+0.5;
 312             if (!VALID_SECTOR(jw.x, jw.y))
 313                 return;
 314             if (game.quad[jw.x][jw.y]==IHBLANK) {
 315                 finish(FHOLE);
 316                 return;
 317             }
 318             if (game.quad[jw.x][jw.y]!=IHDOT) {
 319                 /* can't move into object */
 320                 return;
 321             }
 322             game.sector = jw;
 323             crmshp();
 324             shoved = true;
 325             break;
 326
 327         case IHC: /* Hit a commander */
 328         case IHS:
 329             if (Rand() <= 0.05) {
 330                 crmena(true, iquad, sector, w);
 331                 prout(_(" uses anti-photon device;"));
 332                 prout(_("   torpedo neutralized."));
 333                 return;
 334             }
 335         case IHR: /* Hit a regular enemy */
 336         case IHK:
 337             /* find the enemy */
 338             for_local_enemies(ll)
 339                 if (same(w, game.ks[ll]))
 340                     break;
 341             kp = fabs(game.kpower[ll]);
 342             h1 = 700.0 + 100.0*Rand() -
 343                 1000.0 * distance(w, in) * fabs(sin(bullseye-angle));
 344             h1 = fabs(h1);
 345             if (kp < h1)
 346                 h1 = kp;
 347             game.kpower[ll] -= (game.kpower[ll]<0 ? -h1 : h1);
 348             if (game.kpower[ll] == 0) {
 349                 deadkl(w, iquad, w);
 350                 return;
 351             }
 352             crmena(true, iquad, sector, w);
 353             /* If enemy damaged but not destroyed, try to displace */
 354             ang = angle + 2.5*(Rand()-0.5);
 355             temp = fabs(sin(ang));
 356             if (fabs(cos(ang)) > temp)
 357                 temp = fabs(cos(ang));
 358             xx = -sin(ang)/temp;
 359             yy = cos(ang)/temp;
 360             jw.x=w.x+xx+0.5;
 361             jw.y=w.y+yy+0.5;
 362             if (!VALID_SECTOR(jw.x, jw.y)) {
 363                 prout(_(" damaged but not destroyed."));
 364                 return;
 365             }
 366             if (game.quad[jw.x][jw.y]==IHBLANK) {
 367                 prout(_(" buffeted into black hole."));
 368                 deadkl(w, iquad, jw);
 369                 return;
 370             }
 371             if (game.quad[jw.x][jw.y]!=IHDOT) {
 372                 /* can't move into object */
 373                 prout(_(" damaged but not destroyed."));
 374                 return;
 375             }
 376             proutn(_(" damaged--"));
 377             game.ks[ll] = jw;
 378             shoved = true;
 379             break;
 380         case IHB: /* Hit a base */
 381             skip(1);
 382             prout(_("***STARBASE DESTROYED.."));
 383             for_starbases(ll) {
 384                 if (same(game.state.baseq[ll], game.quadrant)) {
 385                     game.state.baseq[ll]=game.state.baseq[game.state.rembase];
 386                     break;
 387                 }
 388             }
 389             game.quad[w.x][w.y]=IHDOT;
 390             game.state.rembase--;
 391             game.base.x=game.base.y=0;
 392             q->starbase--;
 393             game.state.chart[game.quadrant.x][game.quadrant.y].starbase--;
 394             game.state.basekl++;
 395             newcnd();
 396             return;
 397         case IHP: /* Hit a planet */
 398             crmena(true, iquad, sector, w);
 399             prout(_(" destroyed."));
 400             game.state.nplankl++;
 401             q->planet = NOPLANET;
 402             DESTROY(&game.state.planets[game.iplnet]);
 403             game.iplnet = 0;
 404             invalidate(game.plnet);
 405             game.quad[w.x][w.y] = IHDOT;
 406             if (game.landed) {
 407                 /* captain perishes on planet */
 408                 finish(FDPLANET);
 409             }
 410             return;
 411         case IHW: /* Hit an inhabited world -- very bad! */
 412             crmena(true, iquad, sector, w);
 413             prout(_(" destroyed."));
 414             game.state.nworldkl++;
 415             q->planet = NOPLANET;
 416             DESTROY(&game.state.planets[game.iplnet]);
 417             game.iplnet = 0;
 418             invalidate(game.plnet);
 419             game.quad[w.x][w.y] = IHDOT;
 420             if (game.landed) {
 421                 /* captain perishes on planet */
 422                 finish(FDPLANET);
 423             }
 424             prout(_("You have just destroyed an inhabited planet."));
 425             prout(_("Celebratory rallies are being held on the Klingon homeworld."));
 426             return;
 427         case IHSTAR: /* Hit a star */
 428             if (Rand() > 0.10) {
 429                 nova(w);
 430                 return;
 431             }
 432             crmena(true, IHSTAR, sector, w);
 433             prout(_(" unaffected by photon blast."));
 434             return;
 435         case IHQUEST: /* Hit a thingy */
 436             if (!(game.options & OPTION_THINGY) || Rand()>0.7) {
 437                 skip(1);
 438                 prouts(_("AAAAIIIIEEEEEEEEAAAAAAAAUUUUUGGGGGHHHHHHHHHHHH!!!"));
 439                 skip(1);
 440                 prouts(_("    HACK!     HACK!    HACK!        *CHOKE!*  "));
 441                 skip(1);
 442                 proutn(_("Mr. Spock-"));
 443                 prouts(_("  \"Fascinating!\""));
 444                 skip(1);
 445                 deadkl(w, iquad, w);
 446             } else {
 447                 /*
 448                  * Stas Sergeev added the possibility that
 449                  * you can shove the Thingy and piss it off.
 450                  * It then becomes an enemy and may fire at you.
 451                  */
 452                 iqengry = true;
 453                 shoved = true;
 454             }
 455             return;
 456         case IHBLANK: /* Black hole */
 457             skip(1);
 458             crmena(true, IHBLANK, sector, w);
 459             prout(_(" swallows torpedo."));
 460             return;
 461         case IHWEB: /* hit the web */
 462             skip(1);
 463             prout(_("***Torpedo absorbed by Tholian web."));
 464             return;
 465         case IHT:  /* Hit a Tholian */
 466             h1 = 700.0 + 100.0*Rand() -
 467                 1000.0 * distance(w, in) * fabs(sin(bullseye-angle));
 468             h1 = fabs(h1);
 469             if (h1 >= 600) {
 470                 game.quad[w.x][w.y] = IHDOT;
 471                 game.ithere = false;
 472                 deadkl(w, iquad, w);
 473                 return;
 474             }
 475             skip(1);
 476             crmena(true, IHT, sector, w);
 477             if (Rand() > 0.05) {
 478                 prout(_(" survives photon blast."));
 479                 return;
 480             }
 481             prout(_(" disappears."));
 482             game.quad[w.x][w.y] = IHWEB;
 483             game.ithere = false;
 484             game.nenhere--;
 485             dropin(IHBLANK);
 486             return;
 487
 488         default: /* Problem! */
 489             skip(1);
 490             proutn("Don't know how to handle collision with ");
 491             crmena(true, iquad, sector, w);
 492             skip(1);
 493             return;
 494         }
 495         break;
 496     }
 497     if(curwnd!=message_window) {
 498         setwnd(message_window);
 499     }
 500     if (shoved) {
 501         game.quad[w.x][w.y]=IHDOT;
 502         game.quad[jw.x][jw.y]=iquad;
 503         prout(_(" displaced by blast to %s "), cramlc(sector, jw));
 504         for_local_enemies(ll)
 505             game.kdist[ll] = game.kavgd[ll] = distance(game.sector,game.ks[ll]);
 506         sortkl();
 507         return;
 508     }
 509     skip(1);
 510     prout(_("Torpedo missed."));
 511     return;
 512 }
 513
 514 static void fry(double hit)
 515 /* critical-hit resolution */
 516 {
 517     double ncrit, extradm;
 518     int ktr=1, loop1, loop2, j, cdam[NDEVICES];
 519
 520     /* a critical hit occured */
 521     if (hit < (275.0-25.0*game.skill)*(1.0+0.5*Rand()))
 522         return;
 523
 524     ncrit = 1.0 + hit/(500.0+100.0*Rand());
 525     proutn(_("***CRITICAL HIT--"));
 526     /* Select devices and cause damage */
 527     for (loop1 = 0; loop1 < ncrit; loop1++) {
 528         do {
 529             j = randdevice();
 530             /* Cheat to prevent shuttle damage unless on ship */
 531         } while
 532               (game.damage[j]<0.0 || (j==DSHUTTL && game.iscraft != onship));
 533         cdam[loop1] = j;
 534         extradm = (hit*game.damfac)/(ncrit*(75.0+25.0*Rand()));
 535         game.damage[j] += extradm;
 536         if (loop1 > 0) {
 537             for (loop2 = 0; loop2 < loop1 && j != cdam[loop2]; loop2++) ;
 538             if (loop2 < loop1)
 539                 continue;
 540             ktr += 1;
 541             if (ktr==3) skip(1);
 542             proutn(_(" and "));
 543         }
 544         proutn(device[j]);
 545     }
 546     prout(_(" damaged."));
 547     if (damaged(DSHIELD) && game.shldup) {
 548         prout(_("***Shields knocked down."));
 549         game.shldup=false;
 550     }
 551 }
 552
 553 void attack(bool torps_ok)
 554 /* bad guy attacks us */
 555 {
 556     /* torps_ok == false forces use of phasers in an attack */
 557     int percent, loop, iquad;
 558     bool usephasers, atackd = false, attempt = false, ihurt = false;
 559     double hit, pfac, dustfac, hitmax=0.0, hittot=0.0, chgfac=1.0, r;
 560     coord jay;
 561     enum loctype where = neither;
 562
 563     /* game could be over at this point, check */
 564     if (game.alldone)
 565         return;
 566
 567     if (idebug)
 568         prout("=== ATTACK!");
 569
 570     /* Tholian gewts to move before attacking */
 571     if (game.ithere)
 572         movetho();
 573
 574     /* if you have just entered the RNZ, you'll get a warning */
 575     if (game.neutz) { /* The one chance not to be attacked */
 576         game.neutz = false;
 577         return;
 578     }
 579
 580     /* commanders get a chance to tac-move towards you */
 581     if ((((game.comhere || game.ishere) && !game.justin) || game.skill == SKILL_EMERITUS) && torps_ok)
 582         moveklings();
 583
 584     /* if no enemies remain after movement, we're done */
 585     if (game.nenhere==0 || (game.nenhere==1 && iqhere && !iqengry))
 586         return;
 587
 588     /* set up partial hits if attack happens during shield status change */
 589     pfac = 1.0/game.inshld;
 590     if (game.shldchg)
 591         chgfac = 0.25+0.5*Rand();
 592
 593     skip(1);
 594
 595     /* message verbosity control */
 596     if (game.skill <= SKILL_FAIR)
 597         where = sector;
 598
 599     for_local_enemies(loop) {
 600         if (game.kpower[loop] < 0) continue;    /* too weak to attack */
 601         /* compute hit strength and diminish shield power */
 602         r = Rand();
 603         /* Increase chance of photon torpedos if docked or enemy energy low */
 604         if (game.condition == docked)
 605             r *= 0.25;
 606         if (game.kpower[loop] < 500)
 607             r *= 0.25;
 608         jay = game.ks[loop];
 609         iquad = game.quad[jay.x][jay.y];
 610         if (iquad==IHT || (iquad==IHQUEST && !iqengry))
 611             continue;
 612         /* different enemies have different probabilities of throwing a torp */
 613         usephasers = !torps_ok || \
 614             (iquad == IHK && r > 0.0005) ||
 615             (iquad==IHC && r > 0.015) ||
 616             (iquad==IHR && r > 0.3) ||
 617             (iquad==IHS && r > 0.07) ||
 618             (iquad==IHQUEST && r > 0.05);
 619         if (usephasers) {           /* Enemy uses phasers */
 620             if (game.condition == docked) continue; /* Don't waste the effort! */
 621             attempt = true; /* Attempt to attack */
 622             dustfac = 0.8+0.05*Rand();
 623             hit = game.kpower[loop]*pow(dustfac,game.kavgd[loop]);
 624             game.kpower[loop] *= 0.75;
 625         }
 626         else { /* Enemy uses photon torpedo */
 627             double course = 1.90985*atan2((double)game.sector.y-jay.y, (double)jay.x-game.sector.x);
 628             hit = 0;
 629             proutn(_("***TORPEDO INCOMING"));
 630             if (!damaged(DSRSENS)) {
 631                 proutn(_(" From "));
 632                 crmena(false, iquad, where, jay);
 633             }
 634             attempt = true;
 635             prout("  ");
 636             r = (Rand()+Rand())*0.5 -0.5;
 637             r += 0.002*game.kpower[loop]*r;
 638             torpedo(course, r, jay, &hit, 1, 1);
 639             if (KLINGREM==0)
 640                 finish(FWON); /* Klingons did themselves in! */
 641             if (game.state.galaxy[game.quadrant.x][game.quadrant.y].supernova || game.alldone)
 642                 return; /* Supernova or finished */
 643             if (hit == 0)
 644                 continue;
 645         }
 646         /* incoming phaser or torpedo, shields may dissipate it */
 647         if (game.shldup || game.shldchg || game.condition==docked) {
 648             /* shields will take hits */
 649             double absorb, hitsh, propor = pfac*game.shield*(game.condition==docked ? 2.1 : 1.0);
 650             if (propor < 0.1)
 651                 propor = 0.1;
 652             hitsh = propor*chgfac*hit+1.0;
 653             absorb = 0.8*hitsh;
 654             if (absorb > game.shield)
 655                 absorb = game.shield;
 656             game.shield -= absorb;
 657             hit -= hitsh;
 658             /* taking a hit blasts us out of a starbase dock */
 659             if (game.condition == docked)
 660                 dock(false);
 661             /* but the shields may take care of it */
 662             if (propor > 0.1 && hit < 0.005*game.energy)
 663                 continue;
 664         }
 665         /* hit from this opponent got through shields, so take damage */
 666         ihurt = true;
 667         proutn(_("%d unit hit"), (int)hit);
 668         if ((damaged(DSRSENS) && usephasers) || game.skill<=SKILL_FAIR) {
 669             proutn(_(" on the "));
 670             crmshp();
 671         }
 672         if (!damaged(DSRSENS) && usephasers) {
 673             proutn(_(" from "));
 674             crmena(false, iquad, where, jay);
 675         }
 676         skip(1);
 677         /* Decide if hit is critical */
 678         if (hit > hitmax)
 679             hitmax = hit;
 680         hittot += hit;
 681         fry(hit);
 682         game.energy -= hit;
 683     }
 684     if (game.energy <= 0) {
 685         /* Returning home upon your shield, not with it... */
 686         finish(FBATTLE);
 687         return;
 688     }
 689     if (!attempt && game.condition == docked)
 690         prout(_("***Enemies decide against attacking your ship."));
 691     if (!atackd)
 692         return;
 693     percent = 100.0*pfac*game.shield+0.5;
 694     if (!ihurt) {
 695         /* Shields fully protect ship */
 696         proutn(_("Enemy attack reduces shield strength to "));
 697     }
 698     else {
 699         /* Print message if starship suffered hit(s) */
 700         skip(1);
 701         proutn(_("Energy left %2d    shields "), (int)game.energy);
 702         if (game.shldup)
 703             proutn(_("up "));
 704         else if (!damaged(DSHIELD))
 705             proutn(_("down "));
 706         else
 707             proutn(_("damaged, "));
 708     }
 709     prout(_("%d%%,   torpedoes left %d"), percent, game.torps);
 710     /* Check if anyone was hurt */
 711     if (hitmax >= 200 || hittot >= 500) {
 712         int icas= hittot*Rand()*0.015;
 713         if (icas >= 2) {
 714             skip(1);
 715             prout(_("Mc Coy-  \"Sickbay to bridge.  We suffered %d casualties"), icas);
 716             prout(_("   in that last attack.\""));
 717             game.casual += icas;
 718             game.state.crew -= icas;
 719         }
 720     }
 721     /* After attack, reset average distance to enemies */
 722     for_local_enemies(loop)
 723         game.kavgd[loop] = game.kdist[loop];
 724     sortkl();
 725     return;
 726 }
 727
 728 void deadkl(coord w, feature type, coord mv)
 729 /* kill a Klingon, Tholian, Romulan, or Thingy */
 730 {
 731     /* Added mv to allow enemy to "move" before dying */
 732     int i,j;
 733
 734     crmena(true, type, sector, mv);
 735     /* Decide what kind of enemy it is and update appropriately */
 736     if (type == IHR) {
 737         /* chalk up a Romulan */
 738         game.state.galaxy[game.quadrant.x][game.quadrant.y].romulans--;
 739         game.irhere--;
 740         game.state.nromrem--;
 741     }
 742     else if (type == IHT) {
 743         /* Killed a Tholian */
 744         game.ithere = false;
 745     }
 746     else if (type == IHQUEST) {
 747         /* Killed a Thingy */
 748         iqhere = iqengry = false;
 749         invalidate(thing);
 750     }
 751     else {
 752         /* Some type of a Klingon */
 753         game.state.galaxy[game.quadrant.x][game.quadrant.y].klingons--;
 754         game.klhere--;
 755         switch (type) {
 756         case IHC:
 757             game.comhere = false;
 758             for_commanders (i)
 759                 if (same(game.state.kcmdr[i], game.quadrant))
 760                     break;
 761             game.state.kcmdr[i] = game.state.kcmdr[game.state.remcom];
 762             game.state.kcmdr[game.state.remcom].x = 0;
 763             game.state.kcmdr[game.state.remcom].y = 0;
 764             game.state.remcom--;
 765             unschedule(FTBEAM);
 766             if (game.state.remcom != 0)
 767                 schedule(FTBEAM, expran(1.0*game.incom/game.state.remcom));
 768             break;
 769         case IHK:
 770             game.state.remkl--;
 771             break;
 772         case IHS:
 773             game.state.nscrem--;
 774             game.ishere = false;
 775             game.state.kscmdr.x = game.state.kscmdr.y = game.isatb = 0;
 776             game.iscate = false;
 777             unschedule(FSCMOVE);
 778             unschedule(FSCDBAS);
 779             break;
 780         default:        /* avoids a gcc warning */
 781             prout("*** Internal error, deadkl() called on %c\n", type);
 782             break;
 783         }
 784     }
 785
 786     /* For each kind of enemy, finish message to player */
 787     prout(_(" destroyed."));
 788     game.quad[w.x][w.y] = IHDOT;
 789     if (KLINGREM==0)
 790         return;
 791
 792     game.state.remtime = game.state.remres/(game.state.remkl + 4*game.state.remcom);
 793
 794     /* Remove enemy ship from arrays describing local conditions */
 795     if (is_scheduled(FCDBAS) && same(game.battle, game.quadrant) && type==IHC)
 796         unschedule(FCDBAS);
 797     for_local_enemies(i)
 798         if (same(game.ks[i], w))
 799             break;
 800     game.nenhere--;
 801     if (i <= game.nenhere)  {
 802         for (j=i; j<=game.nenhere; j++) {
 803             game.ks[j] = game.ks[j+1];
 804             game.kpower[j] = game.kpower[j+1];
 805             game.kavgd[j] = game.kdist[j] = game.kdist[j+1];
 806         }
 807     }
 808     game.ks[game.nenhere+1].x = 0;
 809     game.ks[game.nenhere+1].x = 0;
 810     game.kdist[game.nenhere+1] = 0;
 811     game.kavgd[game.nenhere+1] = 0;
 812     game.kpower[game.nenhere+1] = 0;
 813     return;
 814 }
 815
 816 static bool targetcheck(double x, double y, double *course)
 817 {
 818     double deltx, delty;
 819     /* Return true if target is invalid */
 820     if (!VALID_SECTOR(x, y)) {
 821         huh();
 822         return true;
 823     }
 824     deltx = 0.1*(y - game.sector.y);
 825     delty = 0.1*(game.sector.x - x);
 826     if (deltx==0 && delty== 0) {
 827         skip(1);
 828         prout(_("Spock-  \"Bridge to sickbay.  Dr. McCoy,"));
 829         prout(_("  I recommend an immediate review of"));
 830         prout(_("  the Captain's psychological profile.\""));
 831         chew();
 832         return true;
 833     }
 834     *course = 1.90985932*atan2(deltx, delty);
 835     return false;
 836 }
 837
 838 void photon(void)
 839 /* launch photon torpedo */
 840 {
 841     double targ[4][3], course[4];
 842     double r, dummy;
 843     int key, n, i;
 844
 845     game.ididit = false;
 846
 847     if (damaged(DPHOTON)) {
 848         prout(_("Photon tubes damaged."));
 849         chew();
 850         return;
 851     }
 852     if (game.torps == 0) {
 853         prout(_("No torpedoes left."));
 854         chew();
 855         return;
 856     }
 857     key = scan();
 858     for (;;) {
 859         if (key == IHALPHA) {
 860             huh();
 861             return;
 862         }
 863         else if (key == IHEOL) {
 864             prout(_("%d torpedoes left."), game.torps);
 865             proutn(_("Number of torpedoes to fire- "));
 866             key = scan();
 867         }
 868         else /* key == IHREAL */ {
 869             n = aaitem + 0.5;
 870             if (n <= 0) { /* abort command */
 871                 chew();
 872                 return;
 873             }
 874             if (n > 3) {
 875                 chew();
 876                 prout(_("Maximum of 3 torpedoes per burst."));
 877                 key = IHEOL;
 878                 return;
 879             }
 880             if (n <= game.torps)
 881                 break;
 882             chew();
 883             key = IHEOL;
 884         }
 885     }
 886     for (i = 1; i <= n; i++) {
 887         key = scan();
 888         if (i==1 && key == IHEOL) {
 889             break;      /* we will try prompting */
 890         }
 891         if (i==2 && key == IHEOL) {
 892             /* direct all torpedoes at one target */
 893             while (i <= n) {
 894                 targ[i][1] = targ[1][1];
 895                 targ[i][2] = targ[1][2];
 896                 course[i] = course[1];
 897                 i++;
 898             }
 899             break;
 900         }
 901         if (key != IHREAL) {
 902             huh();
 903             return;
 904         }
 905         targ[i][1] = aaitem;
 906         key = scan();
 907         if (key != IHREAL) {
 908             huh();
 909             return;
 910         }
 911         targ[i][2] = aaitem;
 912         if (targetcheck(targ[i][1], targ[i][2], &course[i]))
 913             return;
 914     }
 915     chew();
 916     if (i == 1 && key == IHEOL) {
 917         /* prompt for each one */
 918         for (i = 1; i <= n; i++) {
 919             proutn(_("Target sector for torpedo number %d- "), i);
 920             key = scan();
 921             if (key != IHREAL) {
 922                 huh();
 923                 return;
 924             }
 925             targ[i][1] = aaitem;
 926             key = scan();
 927             if (key != IHREAL) {
 928                 huh();
 929                 return;
 930             }
 931             targ[i][2] = aaitem;
 932             chew();
 933             if (targetcheck(targ[i][1], targ[i][2], &course[i]))
 934                 return;
 935         }
 936     }
 937     game.ididit = true;
 938     /* Loop for moving <n> torpedoes */
 939     for (i = 1; i <= n; i++) {
 940         if (game.condition != docked)
 941             game.torps--;
 942         r = (Rand()+Rand())*0.5 -0.5;
 943         if (fabs(r) >= 0.47) {
 944             /* misfire! */
 945             r = (Rand()+1.2) * r;
 946             if (n>1) {
 947                 prouts(_("***TORPEDO NUMBER %d MISFIRES"), i);
 948             }
 949             else
 950                 prouts(_("***TORPEDO MISFIRES."));
 951             skip(1);
 952             if (i < n)
 953                 prout(_("  Remainder of burst aborted."));
 954             if (Rand() <= 0.2) {
 955                 prout(_("***Photon tubes damaged by misfire."));
 956                 game.damage[DPHOTON] = game.damfac*(1.0+2.0*Rand());
 957             }
 958             break;
 959         }
 960         if (game.shldup || game.condition == docked)
 961             r *= 1.0 + 0.0001*game.shield;
 962         torpedo(course[i], r, game.sector, &dummy, i, n);
 963         if (game.alldone || game.state.galaxy[game.quadrant.x][game.quadrant.y].supernova)
 964             return;
 965     }
 966     if (KLINGREM==0)
 967         finish(FWON);
 968 }
 969
 970
 971
 972 static void overheat(double rpow)
 973 /* check for phasers overheating */
 974 {
 975     if (rpow > 1500) {
 976         double chekbrn = (rpow-1500.)*0.00038;
 977         if (Rand() <= chekbrn) {
 978             prout(_("Weapons officer Sulu-  \"Phasers overheated, sir.\""));
 979             game.damage[DPHASER] = game.damfac*(1.0 + Rand()) * (1.0+chekbrn);
 980         }
 981     }
 982 }
 983
 984 static bool checkshctrl(double rpow)
 985 /* check shield control */
 986 {
 987     double hit;
 988     int icas;
 989
 990     skip(1);
 991     if (Rand() < 0.998) {
 992         prout(_("Shields lowered."));
 993         return false;
 994     }
 995     /* Something bad has happened */
 996     prouts(_("***RED ALERT!  RED ALERT!"));
 997     skip(2);
 998     hit = rpow*game.shield/game.inshld;
 999     game.energy -= rpow+hit*0.8;
1000     game.shield -= hit*0.2;
1001     if (game.energy <= 0.0) {
1002         prouts(_("Sulu-  \"Captain! Shield malf***********************\""));
1003         skip(1);
1004         stars();
1005         finish(FPHASER);
1006         return true;
1007     }
1008     prouts(_("Sulu-  \"Captain! Shield malfunction! Phaser fire contained!\""));
1009     skip(2);
1010     prout(_("Lt. Uhura-  \"Sir, all decks reporting damage.\""));
1011     icas = hit*Rand()*0.012;
1012     skip(1);
1013     fry(0.8*hit);
1014     if (icas) {
1015         skip(1);
1016         prout(_("McCoy to bridge- \"Severe radiation burns, Jim."));
1017         prout(_("  %d casualties so far.\""), icas);
1018         game.casual += icas;
1019         game.state.crew -= icas;
1020     }
1021     skip(1);
1022     prout(_("Phaser energy dispersed by shields."));
1023     prout(_("Enemy unaffected."));
1024     overheat(rpow);
1025     return true;
1026 }
1027
1028
1029 void phasers(void)
1030 /* fire phasers */
1031 {
1032     double hits[21], rpow=0, extra, powrem, over, temp;
1033     int kz = 0, k=1, i, irec=0; /* Cheating inhibitor */
1034     bool ifast = false, no = false, itarg = true, msgflag = true;
1035     enum {NOTSET, MANUAL, FORCEMAN, AUTOMATIC} automode = NOTSET;
1036     int key=0;
1037
1038     skip(1);
1039     /* SR sensors and Computer are needed fopr automode */
1040     if (damaged(DSRSENS) || damaged(DCOMPTR))
1041         itarg = false;
1042     if (game.condition == docked) {
1043         prout(_("Phasers can't be fired through base shields."));
1044         chew();
1045         return;
1046     }
1047     if (damaged(DPHASER)) {
1048         prout(_("Phaser control damaged."));
1049         chew();
1050         return;
1051     }
1052     if (game.shldup) {
1053         if (damaged(DSHCTRL)) {
1054             prout(_("High speed shield control damaged."));
1055             chew();
1056             return;
1057         }
1058         if (game.energy <= 200.0) {
1059             prout(_("Insufficient energy to activate high-speed shield control."));
1060             chew();
1061             return;
1062         }
1063         prout(_("Weapons Officer Sulu-  \"High-speed shield control enabled, sir.\""));
1064         ifast = true;
1065
1066     }
1067     /* Original code so convoluted, I re-did it all */
1068     while (automode==NOTSET) {
1069         key=scan();
1070         if (key == IHALPHA) {
1071             if (isit("manual")) {
1072                 if (game.nenhere==0) {
1073                     prout(_("There is no enemy present to select."));
1074                     chew();
1075                     key = IHEOL;
1076                     automode=AUTOMATIC;
1077                 }
1078                 else {
1079                     automode = MANUAL;
1080                     key = scan();
1081                 }
1082             }
1083             else if (isit("automatic")) {
1084                 if ((!itarg) && game.nenhere != 0) {
1085                     automode = FORCEMAN;
1086                 }
1087                 else {
1088                     if (game.nenhere==0)
1089                         prout(_("Energy will be expended into space."));
1090                     automode = AUTOMATIC;
1091                     key = scan();
1092                 }
1093             }
1094             else if (isit("no")) {
1095                 no = true;
1096             }
1097             else {
1098                 huh();
1099                 return;
1100             }
1101         }
1102         else if (key == IHREAL) {
1103             if (game.nenhere==0) {
1104                 prout(_("Energy will be expended into space."));
1105                 automode = AUTOMATIC;
1106             }
1107             else if (!itarg)
1108                 automode = FORCEMAN;
1109             else
1110                 automode = AUTOMATIC;
1111         }
1112         else {
1113             /* IHEOL */
1114             if (game.nenhere==0) {
1115                 prout(_("Energy will be expended into space."));
1116                 automode = AUTOMATIC;
1117             }
1118             else if (!itarg)
1119                 automode = FORCEMAN;
1120             else
1121                 proutn(_("Manual or automatic? "));
1122         }
1123     }
1124
1125     switch (automode) {
1126     case AUTOMATIC:
1127         if (key == IHALPHA && isit("no")) {
1128             no = true;
1129             key = scan();
1130         }
1131         if (key != IHREAL && game.nenhere != 0) {
1132             prout(_("Phasers locked on target. Energy available: %.2f"),
1133                   ifast?game.energy-200.0:game.energy);
1134         }
1135         irec=0;
1136         do {
1137             chew();
1138             if (!kz) for_local_enemies(i)
1139                 irec+=fabs(game.kpower[i])/(PHASEFAC*pow(0.90,game.kdist[i]))*
1140                     (1.01+0.05*Rand()) + 1.0;
1141             kz=1;
1142             proutn(_("%d units required. "), irec);
1143             chew();
1144             proutn(_("Units to fire= "));
1145             key = scan();
1146             if (key!=IHREAL)
1147                 return;
1148             rpow = aaitem;
1149             if (rpow > (ifast?game.energy-200:game.energy)) {
1150                 proutn(_("Energy available= %.2f"),
1151                        ifast?game.energy-200:game.energy);
1152                 skip(1);
1153                 key = IHEOL;
1154             }
1155         } while (rpow > (ifast?game.energy-200:game.energy));
1156         if (rpow<=0) {
1157             /* chicken out */
1158             chew();
1159             return;
1160         }
1161         if ((key=scan()) == IHALPHA && isit("no")) {
1162             no = true;
1163         }
1164         if (ifast) {
1165             game.energy -= 200; /* Go and do it! */
1166             if (checkshctrl(rpow))
1167                 return;
1168         }
1169         chew();
1170         game.energy -= rpow;
1171         extra = rpow;
1172         if (game.nenhere) {
1173             extra = 0.0;
1174             powrem = rpow;
1175             for_local_enemies(i) {
1176                 hits[i] = 0.0;
1177                 if (powrem <= 0)
1178                     continue;
1179                 hits[i] = fabs(game.kpower[i])/(PHASEFAC*pow(0.90,game.kdist[i]));
1180                 over = (0.01 + 0.05*Rand())*hits[i];
1181                 temp = powrem;
1182                 powrem -= hits[i] + over;
1183                 if (powrem <= 0 && temp < hits[i])
1184                     hits[i] = temp;
1185                 if (powrem <= 0)
1186                     over = 0.0;
1187                 extra += over;
1188             }
1189             if (powrem > 0.0)
1190                 extra += powrem;
1191             hittem(hits);
1192             game.ididit = true;
1193         }
1194         if (extra > 0 && !game.alldone) {
1195             if (game.ithere) {
1196                 proutn(_("*** Tholian web absorbs "));
1197                 if (game.nenhere>0)
1198                     proutn(_("excess "));
1199                 prout(_("phaser energy."));
1200             }
1201             else {
1202                 prout(_("%d expended on empty space."), (int)extra);
1203             }
1204         }
1205         break;
1206
1207     case FORCEMAN:
1208         chew();
1209         key = IHEOL;
1210         if (damaged(DCOMPTR))
1211             prout(_("Battle computer damaged, manual fire only."));
1212         else {
1213             skip(1);
1214             prouts(_("---WORKING---"));
1215             skip(1);
1216             prout(_("Short-range-sensors-damaged"));
1217             prout(_("Insufficient-data-for-automatic-phaser-fire"));
1218             prout(_("Manual-fire-must-be-used"));
1219             skip(1);
1220         }
1221     case MANUAL:
1222         rpow = 0.0;
1223         for (k = 1; k <= game.nenhere;) {
1224             coord aim = game.ks[k];
1225             int ienm = game.quad[aim.x][aim.y];
1226             if (msgflag) {
1227                 proutn(_("Energy available= %.2f"),
1228                        game.energy-.006-(ifast?200:0));
1229                 skip(1);
1230                 msgflag = false;
1231                 rpow = 0.0;
1232             }
1233             if (damaged(DSRSENS) && !(abs(game.sector.x-aim.x) < 2 && abs(game.sector.y-aim.y) < 2) &&
1234                 (ienm == IHC || ienm == IHS)) {
1235                 cramen(ienm);
1236                 prout(_(" can't be located without short range scan."));
1237                 chew();
1238                 key = IHEOL;
1239                 hits[k] = 0; /* prevent overflow -- thanks to Alexei Voitenko */
1240                 k++;
1241                 continue;
1242             }
1243             if (key == IHEOL) {
1244                 chew();
1245                 if (itarg && k > kz)
1246                     irec=(fabs(game.kpower[k])/(PHASEFAC*pow(0.9,game.kdist[k])))*
1247                         (1.01+0.05*Rand()) + 1.0;
1248                 kz = k;
1249                 proutn("(");
1250                 if (!damaged(DCOMPTR))
1251                     proutn("%d", irec);
1252                 else
1253                     proutn("??");
1254                 proutn(")  ");
1255                 proutn(_("units to fire at "));
1256                 crmena(false, ienm, sector, aim);
1257                 proutn("-  ");
1258                 key = scan();
1259             }
1260             if (key == IHALPHA && isit("no")) {
1261                 no = true;
1262                 key = scan();
1263                 continue;
1264             }
1265             if (key == IHALPHA) {
1266                 huh();
1267                 return;
1268             }
1269             if (key == IHEOL) {
1270                 if (k==1) { /* Let me say I'm baffled by this */
1271                     msgflag = true;
1272                 }
1273                 continue;
1274             }
1275             if (aaitem < 0) {
1276                 /* abort out */
1277                 chew();
1278                 return;
1279             }
1280             hits[k] = aaitem;
1281             rpow += aaitem;
1282             /* If total requested is too much, inform and start over */
1283
1284             if (rpow > (ifast?game.energy-200:game.energy)) {
1285                 prout(_("Available energy exceeded -- try again."));
1286                 chew();
1287                 return;
1288             }
1289             key = scan(); /* scan for next value */
1290             k++;
1291         }
1292         if (rpow == 0.0) {
1293             /* zero energy -- abort */
1294             chew();
1295             return;
1296         }
1297         if (key == IHALPHA && isit("no")) {
1298             no = true;
1299         }
1300         game.energy -= rpow;
1301         chew();
1302         if (ifast) {
1303             game.energy -= 200.0;
1304             if (checkshctrl(rpow))
1305                 return;
1306         }
1307         hittem(hits);
1308         game.ididit = true;
1309     case NOTSET:;       /* avoid gcc warning */
1310     }
1311     /* Say shield raised or malfunction, if necessary */
1312     if (game.alldone)
1313         return;
1314     if (ifast) {
1315         skip(1);
1316         if (no == 0) {
1317             if (Rand() >= 0.99) {
1318                 prout(_("Sulu-  \"Sir, the high-speed shield control has malfunctioned . . ."));
1319                 prouts(_("         CLICK   CLICK   POP  . . ."));
1320                 prout(_(" No response, sir!"));
1321                 game.shldup = false;
1322             }
1323             else
1324                 prout(_("Shields raised."));
1325         }
1326         else
1327             game.shldup = false;
1328     }
1329     overheat(rpow);
1330 }
1331
1332 void hittem(double *hits)
1333 /* register a phaser hit on Klingons and Romulans */
1334 {
1335     double kp, kpow, wham, hit, dustfac, kpini;
1336     int nenhr2=game.nenhere, k=1, kk=1, ienm;
1337     coord w;
1338
1339     skip(1);
1340
1341     for (; k <= nenhr2; k++, kk++) {
1342         if ((wham = hits[k])==0)
1343             continue;
1344         dustfac = 0.9 + 0.01*Rand();
1345         hit = wham*pow(dustfac,game.kdist[kk]);
1346         kpini = game.kpower[kk];
1347         kp = fabs(kpini);
1348         if (PHASEFAC*hit < kp)
1349             kp = PHASEFAC*hit;
1350         game.kpower[kk] -= (game.kpower[kk] < 0 ? -kp: kp);
1351         kpow = game.kpower[kk];
1352         w = game.ks[kk];
1353         if (hit > 0.005) {
1354             if (!damaged(DSRSENS))
1355                 boom(w);
1356             proutn(_("%d unit hit on "), (int)hit);
1357         }
1358         else
1359             proutn(_("Very small hit on "));
1360         ienm = game.quad[w.x][w.y];
1361         if (ienm==IHQUEST)
1362             iqengry = true;
1363         crmena(false,ienm,sector,w);
1364         skip(1);
1365         if (kpow == 0) {
1366             deadkl(w, ienm, w);
1367             if (KLINGREM==0)
1368                 finish(FWON);
1369             if (game.alldone)
1370                 return;
1371             kk--; /* don't do the increment */
1372         }
1373         else /* decide whether or not to emasculate klingon */
1374             if (kpow > 0 && Rand() >= 0.9 &&
1375                 kpow <= ((0.4 + 0.4*Rand())*kpini)) {
1376                 prout(_("***Mr. Spock-  \"Captain, the vessel at %s"),
1377                       cramlc(sector, w));
1378                 prout(_("   has just lost its firepower.\""));
1379                 game.kpower[kk] = -kpow;
1380             }
1381     }
1382     return;
1383 }
1384