battle.c

   1 #include <unistd.h>
   2 #include "sst.h"
   3
   4 void doshield(int i) {
   5         int key;
   6         enum {NONE, SHUP, SHDN, NRG} action = NONE;
   7
   8         ididit = 0;
   9
  10         if (i == 2) action = SHUP;
  11         else {
  12                 key = scan();
  13                 if (key == IHALPHA) {
  14                         if (isit("transfer"))
  15                                 action = NRG;
  16                         else {
  17                                 chew();
  18                                 if (game.damage[DSHIELD]) {
  19                                         prout("Shields damaged and down.");
  20                                         return;
  21                                 }
  22                                 if (isit("up"))
  23                                         action = SHUP;
  24                                 else if (isit("down"))
  25                                         action = SHDN;
  26                         }
  27                 }
  28                 if (action==NONE) {
  29                         proutn("Do you wish to change shield energy? ");
  30                         if (ja()) {
  31                                 proutn("Energy to transfer to shields- ");
  32                                 action = NRG;
  33                         }
  34                         else if (game.damage[DSHIELD]) {
  35                                 prout("Shields damaged and down.");
  36                                 return;
  37                         }
  38                         else if (shldup) {
  39                                 proutn("Shields are up. Do you want them down? ");
  40                                 if (ja()) action = SHDN;
  41                                 else {
  42                                         chew();
  43                                         return;
  44                                 }
  45                         }
  46                         else {
  47                                 proutn("Shields are down. Do you want them up? ");
  48                                 if (ja()) action = SHUP;
  49                                 else {
  50                                         chew();
  51                                         return;
  52                                 }
  53                         }
  54                 }
  55         }
  56         switch (action) {
  57                 case SHUP: /* raise shields */
  58                         if (shldup) {
  59                                 prout("Shields already up.");
  60                                 return;
  61                         }
  62                         shldup = 1;
  63                         shldchg = 1;
  64                         if (condit != IHDOCKED) energy -= 50.0;
  65                         prout("Shields raised.");
  66                         if (energy <= 0) {
  67                                 skip(1);
  68                                 prout("Shields raising uses up last of energy.");
  69                                 finish(FNRG);
  70                                 return;
  71                         }
  72                         ididit=1;
  73                         return;
  74                 case SHDN:
  75                         if (shldup==0) {
  76                                 prout("Shields already down.");
  77                                 return;
  78                         }
  79                         shldup=0;
  80                         shldchg=1;
  81                         prout("Shields lowered.");
  82                         ididit=1;
  83                         return;
  84                 case NRG:
  85                         while (scan() != IHREAL) {
  86                                 chew();
  87                                 proutn("Energy to transfer to shields- ");
  88                         }
  89                         chew();
  90                         if (aaitem==0) return;
  91                         if (aaitem > energy) {
  92                                 prout("Insufficient ship energy.");
  93                                 return;
  94                         }
  95                         ididit = 1;
  96                         if (shield+aaitem >= inshld) {
  97                                 prout("Shield energy maximized.");
  98                                 if (shield+aaitem > inshld) {
  99                                         prout("Excess energy requested returned to ship energy");
 100                                 }
 101                                 energy -= inshld-shield;
 102                                 shield = inshld;
 103                                 return;
 104                         }
 105                         if (aaitem < 0.0 && energy-aaitem > inenrg) {
 106                                 /* Prevent shield drain loophole */
 107                                 skip(1);
 108                                 prout("Engineering to bridge--");
 109                                 prout("  Scott here. Power circuit problem, Captain.");
 110                                 prout("  I can't drain the shields.");
 111                                 ididit = 0;
 112                                 return;
 113                         }
 114                         if (shield+aaitem < 0) {
 115                                 prout("All shield energy transferred to ship.");
 116                                 energy += shield;
 117                                 shield = 0.0;
 118                                 return;
 119                         }
 120                         proutn("Scotty- \"");
 121                         if (aaitem > 0)
 122                                 prout("Transferring energy to shields.\"");
 123                         else
 124                                 prout("Draining energy from shields.\"");
 125                         shield += aaitem;
 126                         energy -= aaitem;
 127                         return;
 128                 case NONE:;     /* avoid gcc warning */
 129         }
 130 }
 131
 132 void ram(int ibumpd, int ienm, int ix, int iy) {
 133         double type = 1.0, extradm;
 134         int icas, l;
 135
 136         prouts("***RED ALERT!  RED ALERT!");
 137         skip(1);
 138         prout("***COLLISION IMMINENT.");
 139         skip(2);
 140         proutn("***");
 141         crmshp();
 142         switch (ienm) {
 143                 case IHR: type = 1.5; break;
 144                 case IHC: type = 2.0; break;
 145                 case IHS: type = 2.5; break;
 146                 case IHT: type = 0.5; break;
 147                 case IHQUEST: type = 4.0; break;
 148         }
 149         proutn(ibumpd ? " rammed by " : " rams ");
 150         crmena(0, ienm, 2, ix, iy);
 151         if (ibumpd) proutn(" (original position)");
 152         skip(1);
 153         deadkl(ix, iy, ienm, sectx, secty);
 154         proutn("***");
 155         crmshp();
 156         prout(" heavily damaged.");
 157         icas = 10.0+20.0*Rand();
 158         prout("***Sickbay reports %d casualties", icas);
 159         casual += icas;
 160         for (l=1; l <= NDEVICES; l++) {
 161                 if (l == DDRAY) continue; // Don't damage deathray
 162                 if (game.damage[l] < 0) continue;
 163                 extradm = (10.0*type*Rand()+1.0)*damfac;
 164                 game.damage[l] += Time + extradm; /* Damage for at least time of travel! */
 165         }
 166         shldup = 0;
 167         if (game.state.remkl) {
 168                 pause_game(2);
 169                 dreprt();
 170         }
 171         else finish(FWON);
 172         return;
 173 }
 174
 175 void torpedo(double course, double r, int inx, int iny, double *hit, int wait, int i, int n) {
 176         int l, iquad=0, ix=0, iy=0, jx=0, jy=0, shoved=0, ll;
 177
 178         double ac=course + 0.25*r;
 179         double angle = (15.0-ac)*0.5235988;
 180         double bullseye = (15.0 - course)*0.5235988;
 181         double deltax=-sin(angle), deltay=cos(angle), x=inx, y=iny, bigger;
 182         double ang, temp, xx, yy, kp, h1;
 183
 184         bigger = fabs(deltax);
 185         if (fabs(deltay) > bigger) bigger = fabs(deltay);
 186         deltax /= bigger;
 187         deltay /= bigger;
 188         if (game.damage[DSRSENS]==0 || condit==IHDOCKED)
 189             setwnd(srscan_window);
 190         else
 191             setwnd(message_window);
 192         /* Loop to move a single torpedo */
 193         for (l=1; l <= 15; l++) {
 194                 x += deltax;
 195                 ix = x + 0.5;
 196                 if (ix < 1 || ix > QUADSIZE) break;
 197                 y += deltay;
 198                 iy = y + 0.5;
 199                 if (iy < 1 || iy > QUADSIZE) break;
 200                 iquad=game.quad[ix][iy];
 201                 tracktorpedo(x, y, ix, iy, wait, l, i, n, iquad);
 202                 wait = 1;
 203                 if (iquad==IHDOT) continue;
 204                 /* hit something */
 205                 setwnd(message_window);
 206                 skip(1);        /* start new line after text track */
 207                 switch(iquad) {
 208                         case IHE: /* Hit our ship */
 209                         case IHF:
 210                                 skip(1);
 211                                 proutn("Torpedo hits ");
 212                                 crmshp();
 213                                 prout(".");
 214                                 *hit = 700.0 + 100.0*Rand() -
 215                                            1000.0*sqrt(square(ix-inx)+square(iy-iny))*
 216                                            fabs(sin(bullseye-angle));
 217                                 *hit = fabs(*hit);
 218                                 newcnd(); /* we're blown out of dock */
 219                                 /* We may be displaced. */
 220                                 if (landed==1 || condit==IHDOCKED) return; /* Cheat if on a planet */
 221                                 ang = angle + 2.5*(Rand()-0.5);
 222                                 temp = fabs(sin(ang));
 223                                 if (fabs(cos(ang)) > temp) temp = fabs(cos(ang));
 224                                 xx = -sin(ang)/temp;
 225                                 yy = cos(ang)/temp;
 226                                 jx=ix+xx+0.5;
 227                                 jy=iy+yy+0.5;
 228                                 if (jx<1 || jx>QUADSIZE || jy<1 ||jy > QUADSIZE) return;
 229                                 if (game.quad[jx][jy]==IHBLANK) {
 230                                         finish(FHOLE);
 231                                         return;
 232                                 }
 233                                 if (game.quad[jx][jy]!=IHDOT) {
 234                                         /* can't move into object */
 235                                         return;
 236                                 }
 237                                 sectx = jx;
 238                                 secty = jy;
 239                                 crmshp();
 240                                 shoved = 1;
 241                                 break;
 242
 243                         case IHC: /* Hit a commander */
 244                         case IHS:
 245                                 if (Rand() <= 0.05) {
 246                                         crmena(1, iquad, 2, ix, iy);
 247                                         prout(" uses anti-photon device;");
 248                                         prout("   torpedo neutralized.");
 249                                         return;
 250                                 }
 251                         case IHR: /* Hit a regular enemy */
 252                         case IHK:
 253                                 /* find the enemy */
 254                                 for (ll=1; ll <= nenhere; ll++)
 255                                         if (ix==game.kx[ll] && iy==game.ky[ll]) break;
 256                                 kp = fabs(game.kpower[ll]);
 257                                 h1 = 700.0 + 100.0*Rand() -
 258                                          1000.0*sqrt(square(ix-inx)+square(iy-iny))*
 259                                          fabs(sin(bullseye-angle));
 260                                 h1 = fabs(h1);
 261                                 if (kp < h1) h1 = kp;
 262                                 game.kpower[ll] -= (game.kpower[ll]<0 ? -h1 : h1);
 263                                 if (game.kpower[ll] == 0) {
 264                                         deadkl(ix, iy, iquad, ix, iy);
 265                                         return;
 266                                 }
 267                                 crmena(1, iquad, 2, ix, iy);
 268                                 /* If enemy damaged but not destroyed, try to displace */
 269                                 ang = angle + 2.5*(Rand()-0.5);
 270                                 temp = fabs(sin(ang));
 271                                 if (fabs(cos(ang)) > temp) temp = fabs(cos(ang));
 272                                 xx = -sin(ang)/temp;
 273                                 yy = cos(ang)/temp;
 274                                 jx=ix+xx+0.5;
 275                                 jy=iy+yy+0.5;
 276                                 if (jx<1 || jx>QUADSIZE || jy<1 ||jy > QUADSIZE) {
 277                                         prout(" damaged but not destroyed.");
 278                                         return;
 279                                 }
 280                                 if (game.quad[jx][jy]==IHBLANK) {
 281                                         prout(" buffeted into black hole.");
 282                                         deadkl(ix, iy, iquad, jx, jy);
 283                                         return;
 284                                 }
 285                                 if (game.quad[jx][jy]!=IHDOT) {
 286                                         /* can't move into object */
 287                                         prout(" damaged but not destroyed.");
 288                                         return;
 289                                 }
 290                                 proutn(" damaged--");
 291                                 game.kx[ll] = jx;
 292                                 game.ky[ll] = jy;
 293                                 shoved = 1;
 294                                 break;
 295                         case IHB: /* Hit a base */
 296                                 skip(1);
 297                                 prout("***STARBASE DESTROYED..");
 298                                 if (game.starch[quadx][quady] < 0) game.starch[quadx][quady] = 0;
 299                                 for (ll=1; ll<=game.state.rembase; ll++) {
 300                                         if (game.state.baseqx[ll]==quadx && game.state.baseqy[ll]==quady) {
 301                                                 game.state.baseqx[ll]=game.state.baseqx[game.state.rembase];
 302                                                 game.state.baseqy[ll]=game.state.baseqy[game.state.rembase];
 303                                                 break;
 304                                         }
 305                                 }
 306                                 game.quad[ix][iy]=IHDOT;
 307                                 game.state.rembase--;
 308                                 basex=basey=0;
 309                                 game.state.galaxy[quadx][quady] -= BASE_PLACE;
 310                                 game.state.basekl++;
 311                                 newcnd();
 312                                 return;
 313                         case IHP: /* Hit a planet */
 314                                 crmena(1, iquad, 2, ix, iy);
 315                                 prout(" destroyed.");
 316                                 game.state.nplankl++;
 317                                 game.state.newstuf[quadx][quady] -= 1;
 318                                 DESTROY(&game.state.plnets[iplnet]);
 319                                 iplnet = 0;
 320                                 plnetx = plnety = 0;
 321                                 game.quad[ix][iy] = IHDOT;
 322                                 if (landed==1) {
 323                                         /* captain perishes on planet */
 324                                         finish(FDPLANET);
 325                                 }
 326                                 return;
 327                         case IHSTAR: /* Hit a star */
 328                                 if (Rand() > 0.10) {
 329                                         nova(ix, iy);
 330                                         return;
 331                                 }
 332                                 crmena(1, IHSTAR, 2, ix, iy);
 333                                 prout(" unaffected by photon blast.");
 334                                 return;
 335                         case IHQUEST: /* Hit a thingy */
 336                             if (Rand()>0.7) {   // Used to be certain death
 337                                 skip(1);
 338                                 prouts("AAAAIIIIEEEEEEEEAAAAAAAAUUUUUGGGGGHHHHHHHHHHHH!!!");
 339                                 skip(1);
 340                                 prouts("    HACK!     HACK!    HACK!        *CHOKE!*  ");
 341                                 skip(1);
 342                                 proutn("Mr. Spock-");
 343                                 prouts("  \"Fascinating!\"");
 344                                 skip(1);
 345                                 deadkl(ix, iy, iquad, ix, iy);
 346                             } else {
 347                                 /*
 348                                  * Stas Sergeev added the possibility that
 349                                  * you can shove the Thingy.
 350                                  */
 351                                 iqengry=1;
 352                                 shoved=1;
 353                             }
 354                             return;
 355                         case IHBLANK: /* Black hole */
 356                                 skip(1);
 357                                 crmena(1, IHBLANK, 2, ix, iy);
 358                                 prout(" swallows torpedo.");
 359                                 return;
 360                         case IHWEB: /* hit the web */
 361                                 skip(1);
 362                                 prout("***Torpedo absorbed by Tholian web.");
 363                                 return;
 364                         case IHT:  /* Hit a Tholian */
 365                                 h1 = 700.0 + 100.0*Rand() -
 366                                          1000.0*sqrt(square(ix-inx)+square(iy-iny))*
 367                                          fabs(sin(bullseye-angle));
 368                                 h1 = fabs(h1);
 369                                 if (h1 >= 600) {
 370                                         game.quad[ix][iy] = IHDOT;
 371                                         ithere = 0;
 372                                         ithx = ithy = 0;
 373                                         deadkl(ix, iy, iquad, ix, iy);
 374                                         return;
 375                                 }
 376                                 skip(1);
 377                                 crmena(1, IHT, 2, ix, iy);
 378                                 if (Rand() > 0.05) {
 379                                         prout(" survives photon blast.");
 380                                         return;
 381                                 }
 382                                 prout(" disappears.");
 383                                 game.quad[ix][iy] = IHWEB;
 384                                 ithere = ithx = ithy = 0;
 385                                 nenhere--;
 386                                 {
 387                                         int dum, my;
 388                                         dropin(IHBLANK, &dum, &my);
 389                                 }
 390                                 return;
 391
 392                         default: /* Problem! */
 393                                 skip(1);
 394                                 proutn("Don't know how to handle collision with ");
 395                                 crmena(1, iquad, 2, ix, iy);
 396                                 skip(1);
 397                                 return;
 398                 }
 399                 break;
 400         }
 401         if(curwnd!=message_window) {
 402             setwnd(message_window);
 403         }
 404         if (shoved) {
 405                 game.quad[jx][jy]=iquad;
 406                 game.quad[ix][iy]=IHDOT;
 407                 prout(" displaced by blast to %s ", cramlc(sector, jx, jy));
 408                 for (ll=1; ll<=nenhere; ll++)
 409                         game.kdist[ll] = game.kavgd[ll] = sqrt(square(sectx-game.kx[ll])+square(secty-game.ky[ll]));
 410                 sortkl();
 411                 return;
 412         }
 413         skip(1);
 414         prout("Torpedo missed.");
 415         return;
 416 }
 417
 418 static void fry(double hit) {
 419         double ncrit, extradm;
 420         int ktr=1, l, ll, j, cdam[NDEVICES+1];
 421
 422         /* a critical hit occured */
 423         if (hit < (275.0-25.0*skill)*(1.0+0.5*Rand())) return;
 424
 425         ncrit = 1.0 + hit/(500.0+100.0*Rand());
 426         proutn("***CRITICAL HIT--");
 427         /* Select devices and cause damage */
 428         for (l = 1; l <= ncrit && l <= NDEVICES; l++) {
 429                 do {
 430                         j = NDEVICES*Rand()+1.0;
 431                         /* Cheat to prevent shuttle damage unless on ship */
 432                 } while (game.damage[j] < 0.0 || (j == DSHUTTL && iscraft != 1) ||
 433                                  j == DDRAY);
 434                 cdam[l] = j;
 435                 extradm = (hit*damfac)/(ncrit*(75.0+25.0*Rand()));
 436                 game.damage[j] += extradm;
 437                 if (l > 1) {
 438                         for (ll=2; ll<=l && j != cdam[ll-1]; ll++) ;
 439                         if (ll<=l) continue;
 440                         ktr += 1;
 441                         if (ktr==3) skip(1);
 442                         proutn(" and ");
 443                 }
 444                 proutn(device[j]);
 445         }
 446         prout(" damaged.");
 447         if (game.damage[DSHIELD] && shldup) {
 448                 prout("***Shields knocked down.");
 449                 shldup=0;
 450         }
 451 }
 452
 453 void attack(int k) {
 454         /* k == 0 forces use of phasers in an attack */
 455         int percent, ihurt=0, l, i=0, jx, jy, iquad, itflag;
 456         int atackd = 0, attempt = 0;
 457         double hit;
 458         double pfac, dustfac, hitmax=0.0, hittot=0.0, chgfac=1.0, r;
 459
 460         iattak = 1;
 461         if (alldone) return;
 462 #ifdef DEBUG
 463         if (idebug) prout("ATTACK!");
 464 #endif
 465
 466         if (ithere) movetho();
 467
 468         if (neutz) { /* The one chance not to be attacked */
 469                 neutz = 0;
 470                 return;
 471         }
 472         if ((((comhere || ishere) && (justin == 0)) || skill == 5)&&(k!=0)) movcom();
 473         if (nenhere==0 || (nenhere==1 && iqhere && iqengry==0)) return;
 474         pfac = 1.0/inshld;
 475         if (shldchg == 1) chgfac = 0.25+0.5*Rand();
 476         skip(1);
 477         if (skill <= 2) i = 2;
 478         for (l=1; l <= nenhere; l++) {
 479                 if (game.kpower[l] < 0) continue;       /* too weak to attack */
 480                 /* compute hit strength and diminsh shield power */
 481                 r = Rand();
 482                 /* Increase chance of photon torpedos if docked or enemy energy low */
 483                 if (condit == IHDOCKED) r *= 0.25;
 484                 if (game.kpower[l] < 500) r *= 0.25;
 485                 jx = game.kx[l];
 486                 jy = game.ky[l];
 487                 iquad = game.quad[jx][jy];
 488                 if (iquad==IHT || (iquad==IHQUEST && !iqengry)) continue;
 489                 itflag = (iquad == IHK && r > 0.0005) || k == 0 ||
 490                         (iquad==IHC && r > 0.015) ||
 491                         (iquad==IHR && r > 0.3) ||
 492                         (iquad==IHS && r > 0.07) ||
 493                         (iquad==IHQUEST && r > 0.05);
 494                 if (itflag) {
 495                         /* Enemy uses phasers */
 496                         if (condit == IHDOCKED) continue; /* Don't waste the effort! */
 497                         attempt = 1; /* Attempt to attack */
 498                         dustfac = 0.8+0.05*Rand();
 499                         hit = game.kpower[l]*pow(dustfac,game.kavgd[l]);
 500                         game.kpower[l] *= 0.75;
 501                 }
 502                 else { /* Enemy used photon torpedo */
 503                         double course = 1.90985*atan2((double)secty-jy, (double)jx-sectx);
 504                         hit = 0;
 505                         proutn("***TORPEDO INCOMING");
 506                         if (game.damage[DSRSENS] <= 0.0) {
 507                                 proutn(" From ");
 508                                 crmena(0, iquad, i, jx, jy);
 509                         }
 510                         attempt = 1;
 511                         prout("  ");
 512                         r = (Rand()+Rand())*0.5 -0.5;
 513                         r += 0.002*game.kpower[l]*r;
 514                         torpedo(course, r, jx, jy, &hit, 0, 1, 1);
 515                         if (game.state.remkl==0) finish(FWON); /* Klingons did themselves in! */
 516                         if (game.state.galaxy[quadx][quady] == SUPERNOVA_PLACE ||
 517                                 alldone) return; /* Supernova or finished */
 518                         if (hit == 0) continue;
 519                 }
 520                 if (shldup != 0 || shldchg != 0 || condit==IHDOCKED) {
 521                         /* shields will take hits */
 522                         double absorb, hitsh, propor = pfac*shield*(condit==IHDOCKED ? 2.1 : 1.0);
 523                         if(propor < 0.1) propor = 0.1;
 524                         hitsh = propor*chgfac*hit+1.0;
 525                         atackd=1;
 526                         absorb = 0.8*hitsh;
 527                         if (absorb > shield) absorb = shield;
 528                         shield -= absorb;
 529                         hit -= hitsh;
 530                         if (condit==IHDOCKED) dock(0);
 531                         if (propor > 0.1 && hit < 0.005*energy) continue;
 532                 }
 533                 /* It's a hit -- print out hit size */
 534                 atackd = 1; /* We weren't going to check casualties, etc. if
 535                                shields were down for some strange reason. This
 536                                            doesn't make any sense, so I've fixed it */
 537                 ihurt = 1;
 538                 proutn("%d unit hit", (int)hit);
 539                 if ((game.damage[DSRSENS] > 0 && itflag) || skill <= 2) {
 540                         proutn(" on the ");
 541                         crmshp();
 542                 }
 543                 if (game.damage[DSRSENS] <= 0.0 && itflag) {
 544                         proutn(" from ");
 545                         crmena(0, iquad, i, jx, jy);
 546                 }
 547                 skip(1);
 548                 /* Decide if hit is critical */
 549                 if (hit > hitmax) hitmax = hit;
 550                 hittot += hit;
 551                 fry(hit);
 552                 prout("Hit %g energy %g", hit, energy);
 553                 energy -= hit;
 554                 if (condit==IHDOCKED) dock(0);
 555         }
 556         if (energy <= 0) {
 557                 /* Returning home upon your shield, not with it... */
 558                 finish(FBATTLE);
 559                 return;
 560         }
 561         if (attempt == 0 && condit == IHDOCKED)
 562                 prout("***Enemies decide against attacking your ship.");
 563         if (atackd == 0) return;
 564         percent = 100.0*pfac*shield+0.5;
 565         if (ihurt==0) {
 566                 /* Shields fully protect ship */
 567                 proutn("Enemy attack reduces shield strength to ");
 568         }
 569         else {
 570                 /* Print message if starship suffered hit(s) */
 571                 skip(1);
 572                 proutn("Energy left %2d    shields ", (int)energy);
 573                 if (shldup) proutn("up ");
 574                 else if (game.damage[DSHIELD] == 0) proutn("down ");
 575                 else proutn("damaged, ");
 576         }
 577         prout("%d%%,   torpedoes left %d", percent, torps);
 578         /* Check if anyone was hurt */
 579         if (hitmax >= 200 || hittot >= 500) {
 580                 int icas= hittot*Rand()*0.015;
 581                 if (icas >= 2) {
 582                         skip(1);
 583                         prout("Mc Coy-  \"Sickbay to bridge.  We suffered %d casualties", icas);
 584                         prout("   in that last attack.\"");
 585                         casual += icas;
 586                 }
 587         }
 588         /* After attack, reset average distance to enemies */
 589         for (l = 1; l <= nenhere; l++)
 590                 game.kavgd[l] = game.kdist[l];
 591         sortkl();
 592         return;
 593 }
 594
 595 void deadkl(int ix, int iy, int type, int ixx, int iyy) {
 596         /* Added ixx and iyy allow enemy to "move" before dying */
 597
 598         int i,j;
 599
 600         skip(1);
 601         crmena(1, type, 2, ixx, iyy);
 602         /* Decide what kind of enemy it is and update approriately */
 603         if (type == IHR) {
 604                 /* chalk up a Romulan */
 605                 game.state.newstuf[quadx][quady] -= ROMULAN_PLACE;
 606                 irhere--;
 607                 game.state.nromkl++;
 608                 game.state.nromrem--;
 609         }
 610         else if (type == IHT) {
 611                 /* Killed a Tholian */
 612                 ithere = 0;
 613         }
 614         else if (type == IHQUEST) {
 615                 /* Killed a Thingy */
 616              iqhere=iqengry=thingx=thingy=0;
 617         }
 618         else {
 619                 /* Some type of a Klingon */
 620                 game.state.galaxy[quadx][quady] -= 100;
 621                 klhere--;
 622                 game.state.remkl--;
 623                 switch (type) {
 624                         case IHC:
 625                                 comhere = 0;
 626                                 for (i=1; i<=game.state.remcom; i++)
 627                                         if (game.state.cx[i]==quadx && game.state.cy[i]==quady) break;
 628                                 game.state.cx[i] = game.state.cx[game.state.remcom];
 629                                 game.state.cy[i] = game.state.cy[game.state.remcom];
 630                                 game.state.cx[game.state.remcom] = 0;
 631                                 game.state.cy[game.state.remcom] = 0;
 632                                 game.state.remcom--;
 633                                 game.future[FTBEAM] = 1e30;
 634                                 if (game.state.remcom != 0)
 635                                         game.future[FTBEAM] = game.state.date + expran(1.0*incom/game.state.remcom);
 636                                 game.state.killc++;
 637                                 break;
 638                         case IHK:
 639                                 game.state.killk++;
 640                                 break;
 641                         case IHS:
 642                                 game.state.nscrem = ishere = game.state.isx = game.state.isy = isatb = iscate = 0;
 643                                 game.state.nsckill = 1;
 644                                 game.future[FSCMOVE] = game.future[FSCDBAS] = 1e30;
 645                                 break;
 646                 }
 647         }
 648
 649         /* For each kind of enemy, finish message to player */
 650         prout(" destroyed.");
 651         game.quad[ix][iy] = IHDOT;
 652         if (game.state.remkl==0) return;
 653
 654         game.state.remtime = game.state.remres/(game.state.remkl + 4*game.state.remcom);
 655
 656         /* Remove enemy ship from arrays describing local conditions */
 657         if (game.future[FCDBAS] < 1e30 && batx==quadx && baty==quady && type==IHC)
 658             game.future[FCDBAS] = 1e30;
 659         for (i=1; i<=nenhere; i++)
 660                 if (game.kx[i]==ix && game.ky[i]==iy) break;
 661         nenhere--;
 662         if (i <= nenhere)  {
 663                 for (j=i; j<=nenhere; j++) {
 664                         game.kx[j] = game.kx[j+1];
 665                         game.ky[j] = game.ky[j+1];
 666                         game.kpower[j] = game.kpower[j+1];
 667                         game.kavgd[j] = game.kdist[j] = game.kdist[j+1];
 668                 }
 669         }
 670         game.kx[nenhere+1] = 0;
 671         game.ky[nenhere+1] = 0;
 672         game.kdist[nenhere+1] = 0;
 673         game.kavgd[nenhere+1] = 0;
 674         game.kpower[nenhere+1] = 0;
 675         return;
 676 }
 677
 678 static int targetcheck(double x, double y, double *course) {
 679         double deltx, delty;
 680         /* Return TRUE if target is invalid */
 681         if (x < 1.0 || x > QUADSIZE || y < 1.0 || y > QUADSIZE) {
 682                 huh();
 683                 return 1;
 684         }
 685         deltx = 0.1*(y - secty);
 686         delty = 0.1*(sectx - x);
 687         if (deltx==0 && delty== 0) {
 688                 skip(1);
 689                 prout("Spock-  \"Bridge to sickbay.  Dr. McCoy,");
 690                 prout("  I recommend an immediate review of");
 691                 prout("  the Captain's psychological profile.\"");
 692                 chew();
 693                 return 1;
 694         }
 695         *course = 1.90985932*atan2(deltx, delty);
 696         return 0;
 697 }
 698
 699 void photon(void) {
 700         double targ[4][3], course[4];
 701         double r, dummy;
 702         int key, n, i, osuabor;
 703
 704         ididit = 0;
 705
 706         if (game.damage[DPHOTON]) {
 707                 prout("Photon tubes damaged.");
 708                 chew();
 709                 return;
 710         }
 711         if (torps == 0) {
 712                 prout("No torpedoes left.");
 713                 chew();
 714                 return;
 715         }
 716         key = scan();
 717         for (;;) {
 718                 if (key == IHALPHA) {
 719                         huh();
 720                         return;
 721                 }
 722                 else if (key == IHEOL) {
 723                         prout("%d torpedoes left.", torps);
 724                         proutn("Number of torpedoes to fire- ");
 725                         key = scan();
 726                 }
 727                 else /* key == IHREAL */ {
 728                         n = aaitem + 0.5;
 729                         if (n <= 0) { /* abort command */
 730                                 chew();
 731                                 return;
 732                         }
 733                         if (n > 3) {
 734                                 chew();
 735                                 prout("Maximum of 3 torpedoes per burst.");
 736                                 key = IHEOL;
 737                                 return;
 738                         }
 739                         if (n <= torps) break;
 740                         chew();
 741                         key = IHEOL;
 742                 }
 743         }
 744         for (i = 1; i <= n; i++) {
 745                 key = scan();
 746                 if (i==1 && key == IHEOL) {
 747                         break;  /* we will try prompting */
 748                 }
 749                 if (i==2 && key == IHEOL) {
 750                         /* direct all torpedoes at one target */
 751                         while (i <= n) {
 752                                 targ[i][1] = targ[1][1];
 753                                 targ[i][2] = targ[1][2];
 754                                 course[i] = course[1];
 755                                 i++;
 756                         }
 757                         break;
 758                 }
 759                 if (key != IHREAL) {
 760                         huh();
 761                         return;
 762                 }
 763                 targ[i][1] = aaitem;
 764                 key = scan();
 765                 if (key != IHREAL) {
 766                         huh();
 767                         return;
 768                 }
 769                 targ[i][2] = aaitem;
 770                 if (targetcheck(targ[i][1], targ[i][2], &course[i])) return;
 771         }
 772         chew();
 773         if (i == 1 && key == IHEOL) {
 774                 /* prompt for each one */
 775                 for (i = 1; i <= n; i++) {
 776                     proutn("Target sector for torpedo number %d- ", i);
 777                         key = scan();
 778                         if (key != IHREAL) {
 779                                 huh();
 780                                 return;
 781                         }
 782                         targ[i][1] = aaitem;
 783                         key = scan();
 784                         if (key != IHREAL) {
 785                                 huh();
 786                                 return;
 787                         }
 788                         targ[i][2] = aaitem;
 789                         chew();
 790                         if (targetcheck(targ[i][1], targ[i][2], &course[i])) return;
 791                 }
 792         }
 793         ididit = 1;
 794         /* Loop for moving <n> torpedoes */
 795         osuabor = 0;
 796         for (i = 1; i <= n && !osuabor; i++) {
 797                 if (condit != IHDOCKED) torps--;
 798                 r = (Rand()+Rand())*0.5 -0.5;
 799                 if (fabs(r) >= 0.47) {
 800                         /* misfire! */
 801                         r = (Rand()+1.2) * r;
 802                         if (n>1) {
 803                             prouts("***TORPEDO NUMBER %d MISFIRES", i);
 804                         }
 805                         else prouts("***TORPEDO MISFIRES.");
 806                         skip(1);
 807                         if (i < n)
 808                                 prout("  Remainder of burst aborted.");
 809                         osuabor=1;
 810                         if (Rand() <= 0.2) {
 811                                 prout("***Photon tubes damaged by misfire.");
 812                                 game.damage[DPHOTON] = damfac*(1.0+2.0*Rand());
 813                                 break;
 814                         }
 815                 }
 816                 if (shldup || condit == IHDOCKED) r *= 1.0 + 0.0001*shield;
 817                 torpedo(course[i], r, sectx, secty, &dummy, 0, i, n);
 818                 if (alldone || game.state.galaxy[quadx][quady]==1000) return;
 819         }
 820         if (game.state.remkl==0) finish(FWON);
 821 }
 822
 823
 824
 825 static void overheat(double rpow) {
 826         if (rpow > 1500) {
 827                 double chekbrn = (rpow-1500.)*0.00038;
 828                 if (Rand() <= chekbrn) {
 829                         prout("Weapons officer Sulu-  \"Phasers overheated, sir.\"");
 830                         game.damage[DPHASER] = damfac*(1.0 + Rand()) * (1.0+chekbrn);
 831                 }
 832         }
 833 }
 834
 835 static int checkshctrl(double rpow) {
 836         double hit;
 837         int icas;
 838
 839         skip(1);
 840         if (Rand() < .998) {
 841                 prout("Shields lowered.");
 842                 return 0;
 843         }
 844         /* Something bad has happened */
 845         prouts("***RED ALERT!  RED ALERT!");
 846         skip(2);
 847         hit = rpow*shield/inshld;
 848         energy -= rpow+hit*0.8;
 849         shield -= hit*0.2;
 850         if (energy <= 0.0) {
 851                 prouts("Sulu-  \"Captain! Shield malf***********************\"");
 852                 skip(1);
 853                 stars();
 854                 finish(FPHASER);
 855                 return 1;
 856         }
 857         prouts("Sulu-  \"Captain! Shield malfunction! Phaser fire contained!\"");
 858         skip(2);
 859         prout("Lt. Uhura-  \"Sir, all decks reporting damage.\"");
 860         icas = hit*Rand()*0.012;
 861         skip(1);
 862         fry(0.8*hit);
 863         if (icas) {
 864                 skip(1);
 865                 prout("McCoy to bridge- \"Severe radiation burns, Jim.");
 866                 prout("  %d casualties so far.\"", icas);
 867                 casual -= icas;
 868         }
 869         skip(1);
 870         prout("Phaser energy dispersed by shields.");
 871         prout("Enemy unaffected.");
 872         overheat(rpow);
 873         return 1;
 874 }
 875
 876
 877 void phasers(void) {
 878         double hits[21], rpow=0, extra, powrem, over, temp;
 879         int kz = 0, k=1, i, irec=0; /* Cheating inhibitor */
 880         int ifast=0, no=0, ipoop=1, msgflag = 1;
 881         enum {NOTSET, MANUAL, FORCEMAN, AUTOMATIC} automode = NOTSET;
 882         int key=0;
 883
 884         skip(1);
 885         /* SR sensors and Computer */
 886         if (game.damage[DSRSENS]+game.damage[DCOMPTR] > 0) ipoop = 0;
 887         if (condit == IHDOCKED) {
 888                 prout("Phasers can't be fired through base shields.");
 889                 chew();
 890                 return;
 891         }
 892         if (game.damage[DPHASER] != 0) {
 893                 prout("Phaser control damaged.");
 894                 chew();
 895                 return;
 896         }
 897         if (shldup) {
 898                 if (game.damage[DSHCTRL]) {
 899                         prout("High speed shield control damaged.");
 900                         chew();
 901                         return;
 902                 }
 903                 if (energy <= 200.0) {
 904                         prout("Insufficient energy to activate high-speed shield control.");
 905                         chew();
 906                         return;
 907                 }
 908                 prout("Weapons Officer Sulu-  \"High-speed shield control enabled, sir.\"");
 909                 ifast = 1;
 910
 911         }
 912         /* Original code so convoluted, I re-did it all */
 913         while (automode==NOTSET) {
 914                 key=scan();
 915                 if (key == IHALPHA) {
 916                         if (isit("manual")) {
 917                                 if (nenhere==0) {
 918                                         prout("There is no enemy present to select.");
 919                                         chew();
 920                                         key = IHEOL;
 921                                         automode=AUTOMATIC;
 922                                 }
 923                                 else {
 924                                         automode = MANUAL;
 925                                         key = scan();
 926                                 }
 927                         }
 928                         else if (isit("automatic")) {
 929                                 if ((!ipoop) && nenhere != 0) {
 930                                         automode = FORCEMAN;
 931                                 }
 932                                 else {
 933                                         if (nenhere==0)
 934                                                 prout("Energy will be expended into space.");
 935                                         automode = AUTOMATIC;
 936                                         key = scan();
 937                                 }
 938                         }
 939                         else if (isit("no")) {
 940                                 no = 1;
 941                         }
 942                         else {
 943                                 huh();
 944                                 return;
 945                         }
 946                 }
 947                 else if (key == IHREAL) {
 948                         if (nenhere==0) {
 949                                 prout("Energy will be expended into space.");
 950                                 automode = AUTOMATIC;
 951                         }
 952                         else if (!ipoop)
 953                                 automode = FORCEMAN;
 954                         else
 955                                 automode = AUTOMATIC;
 956                 }
 957                 else {
 958                         /* IHEOL */
 959                         if (nenhere==0) {
 960                                 prout("Energy will be expended into space.");
 961                                 automode = AUTOMATIC;
 962                         }
 963                         else if (!ipoop)
 964                                 automode = FORCEMAN;
 965                         else
 966                         proutn("Manual or automatic? ");
 967                 }
 968         }
 969
 970         switch (automode) {
 971                 case AUTOMATIC:
 972                         if (key == IHALPHA && isit("no")) {
 973                                 no = 1;
 974                                 key = scan();
 975                         }
 976                         if (key != IHREAL && nenhere != 0) {
 977                                 prout("Phasers locked on target. Energy available: %.2f",
 978                                     ifast?energy-200.0:energy,1,2);
 979                         }
 980                         irec=0;
 981                         do {
 982                                         chew();
 983                                         if (!kz) for (i = 1; i <= nenhere; i++)
 984                                                      irec+=fabs(game.kpower[i])/(PHASEFAC*pow(0.90,game.kdist[i]))*
 985                                                      (1.01+0.05*Rand()) + 1.0;
 986                                         kz=1;
 987                                         proutn("(%d) units required. ", irec);
 988                                         chew();
 989                                         proutn("Units to fire= ");
 990                                         key = scan();
 991                                         if (key!=IHREAL) return;
 992                                         rpow = aaitem;
 993                                         if (rpow > (ifast?energy-200:energy)) {
 994                                             proutn("Energy available= %.2f",
 995                                             ifast?energy-200:energy);
 996                                         skip(1);
 997                                         key = IHEOL;
 998                                 }
 999                         } while (rpow > (ifast?energy-200:energy));
1000                         if (rpow<=0) {
1001                                 /* chicken out */
1002                                 chew();
1003                                 return;
1004                         }
1005                         if ((key=scan()) == IHALPHA && isit("no")) {
1006                                 no = 1;
1007                         }
1008                         if (ifast) {
1009                                 energy -= 200; /* Go and do it! */
1010                                 if (checkshctrl(rpow)) return;
1011                         }
1012                         chew();
1013                         energy -= rpow;
1014                         extra = rpow;
1015                         if (nenhere) {
1016                                 extra = 0.0;
1017                                 powrem = rpow;
1018                                 for (i = 1; i <= nenhere; i++) {
1019                                         hits[i] = 0.0;
1020                                         if (powrem <= 0) continue;
1021                                         hits[i] = fabs(game.kpower[i])/(PHASEFAC*pow(0.90,game.kdist[i]));
1022                                         over = (0.01 + 0.05*Rand())*hits[i];
1023                                         temp = powrem;
1024                                         powrem -= hits[i] + over;
1025                                         if (powrem <= 0 && temp < hits[i]) hits[i] = temp;
1026                                         if (powrem <= 0) over = 0.0;
1027                                         extra += over;
1028                                 }
1029                                 if (powrem > 0.0) extra += powrem;
1030                                 hittem(hits);
1031                                 ididit=1;
1032                         }
1033                         if (extra > 0 && alldone == 0) {
1034                                 if (ithere) {
1035                                         proutn("*** Tholian web absorbs ");
1036                                         if (nenhere>0) proutn("excess ");
1037                                         prout("phaser energy.");
1038                                 }
1039                                 else {
1040                                         prout("%d expended on empty space.", (int)extra);
1041                                 }
1042                         }
1043                         break;
1044
1045                 case FORCEMAN:
1046                         chew();
1047                         key = IHEOL;
1048                         if (game.damage[DCOMPTR]!=0)
1049                                 prout("Battle comuter damaged, manual file only.");
1050                         else {
1051                                 skip(1);
1052                                 prouts("---WORKING---");
1053                                 skip(1);
1054                                 prout("Short-range-sensors-damaged");
1055                                 prout("Insufficient-data-for-automatic-phaser-fire");
1056                                 prout("Manual-fire-must-be-used");
1057                                 skip(1);
1058                         }
1059                 case MANUAL:
1060                         rpow = 0.0;
1061                         for (k = 1; k <= nenhere;) {
1062                                 int ii = game.kx[k], jj = game.ky[k];
1063                                 int ienm = game.quad[ii][jj];
1064                                 if (msgflag) {
1065                                         proutn("Energy available= %.2f",
1066                                                energy-.006-(ifast?200:0));
1067                                         skip(1);
1068                                         msgflag = 0;
1069                                         rpow = 0.0;
1070                                 }
1071                                 if (game.damage[DSRSENS] && !(abs(sectx-ii) < 2 && abs(secty-jj) < 2) &&
1072                                         (ienm == IHC || ienm == IHS)) {
1073                                         cramen(ienm);
1074                                         prout(" can't be located without short range scan.");
1075                                         chew();
1076                                         key = IHEOL;
1077                                         hits[k] = 0; /* prevent overflow -- thanks to Alexei Voitenko */
1078                                         k++;
1079                                         continue;
1080                                 }
1081                                 if (key == IHEOL) {
1082                                         chew();
1083                                         if (ipoop && k > kz)
1084                                                 irec=(fabs(game.kpower[k])/(PHASEFAC*pow(0.9,game.kdist[k])))*
1085                                                                  (1.01+0.05*Rand()) + 1.0;
1086                                         kz = k;
1087                                         proutn("(");
1088                                         if (game.damage[DCOMPTR]==0) proutn("%d", irec);
1089                                         else proutn("??");
1090                                         proutn(")  ");
1091                                         proutn("units to fire at ");
1092                                         crmena(0, ienm, 2, ii, jj);
1093                                         proutn("-  ");
1094                                         key = scan();
1095                                 }
1096                                 if (key == IHALPHA && isit("no")) {
1097                                         no = 1;
1098                                         key = scan();
1099                                         continue;
1100                                         }
1101                                 if (key == IHALPHA) {
1102                                         huh();
1103                                         return;
1104                                 }
1105                                 if (key == IHEOL) {
1106                                         if (k==1) { /* Let me say I'm baffled by this */
1107                                                 msgflag = 1;
1108                                         }
1109                                         continue;
1110                                 }
1111                                 if (aaitem < 0) {
1112                                         /* abort out */
1113                                         chew();
1114                                         return;
1115                                 }
1116                                 hits[k] = aaitem;
1117                                 rpow += aaitem;
1118                                 /* If total requested is too much, inform and start over */
1119
1120                                 if (rpow > (ifast?energy-200:energy)) {
1121                                         prout("Available energy exceeded -- try again.");
1122                                         chew();
1123                                         return;
1124                                 }
1125                                 key = scan(); /* scan for next value */
1126                                 k++;
1127                         }
1128                         if (rpow == 0.0) {
1129                                 /* zero energy -- abort */
1130                                 chew();
1131                                 return;
1132                         }
1133                         if (key == IHALPHA && isit("no")) {
1134                                 no = 1;
1135                         }
1136                         energy -= rpow;
1137                         chew();
1138                         if (ifast) {
1139                                 energy -= 200.0;
1140                                 if (checkshctrl(rpow)) return;
1141                         }
1142                         hittem(hits);
1143                         ididit=1;
1144                 case NOTSET:;   /* avoid gcc warning */
1145         }
1146         /* Say shield raised or malfunction, if necessary */
1147         if (alldone) return;
1148         if (ifast) {
1149                 skip(1);
1150                 if (no == 0) {
1151                         if (Rand() >= 0.99) {
1152                                 prout("Sulu-  \"Sir, the high-speed shield control has malfunctioned . . .");
1153                                 prouts("         CLICK   CLICK   POP  . . .");
1154                                 prout(" No  response, sir!");
1155                                 shldup = 0;
1156                         }
1157                         else
1158                                 prout("Shields raised.");
1159                 }
1160                 else
1161                         shldup = 0;
1162         }
1163         overheat(rpow);
1164 }
1165
1166 void hittem(double *hits) {
1167         double kp, kpow, wham, hit, dustfac, kpini;
1168         int nenhr2=nenhere, k=1, kk=1, ii, jj, ienm;
1169
1170         skip(1);
1171
1172         for (; k <= nenhr2; k++, kk++) {
1173                 if ((wham = hits[k])==0) continue;
1174                 dustfac = 0.9 + 0.01*Rand();
1175                 hit = wham*pow(dustfac,game.kdist[kk]);
1176                 kpini = game.kpower[kk];
1177                 kp = fabs(kpini);
1178                 if (PHASEFAC*hit < kp) kp = PHASEFAC*hit;
1179                 game.kpower[kk] -= (game.kpower[kk] < 0 ? -kp: kp);
1180                 kpow = game.kpower[kk];
1181                 ii = game.kx[kk];
1182                 jj = game.ky[kk];
1183                 if (hit > 0.005) {
1184                         if (game.damage[DSRSENS]==0)
1185                             boom(ii, jj);
1186                         proutn("%d unit hit on ", (int)hit);
1187                 }
1188                 else
1189                         proutn("Very small hit on ");
1190                 ienm = game.quad[ii][jj];
1191                 if (ienm==IHQUEST) iqengry=1;
1192                 crmena(0,ienm,2,ii,jj);
1193                 skip(1);
1194                 if (kpow == 0) {
1195                         deadkl(ii, jj, ienm, ii, jj);
1196                         if (game.state.remkl==0) finish(FWON);
1197                         if (alldone) return;
1198                         kk--; /* don't do the increment */
1199                 }
1200                 else /* decide whether or not to emasculate klingon */
1201                         if (kpow > 0 && Rand() >= 0.9 &&
1202                                 kpow <= ((0.4 + 0.4*Rand())*kpini)) {
1203                                 prout("***Mr. Spock-  \"Captain, the vessel at ",
1204                                         cramlc(sector,ii,jj));
1205                                 prout("   has just lost its firepower.\"");
1206                                 game.kpower[kk] = -kpow;
1207                         }
1208         }
1209         return;
1210 }
1211