src/battle.c

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