battle.c

   1 #include <unistd.h>
   2 #include "conio.h"
   3 #include "sstlinux.h"
   4 #include "sst.h"
   5
   6 void doshield(int i) {
   7         int key;
   8         enum {NONE, SHUP, SHDN, NRG} action = NONE;
   9
  10         ididit = 0;
  11
  12         if (i == 2) action = SHUP;
  13         else {
  14                 key = scan();
  15                 if (key == IHALPHA) {
  16                         if (isit("transfer"))
  17                                 action = NRG;
  18                         else {
  19                                 chew();
  20                                 if (game.damage[DSHIELD]) {
  21                                         prout("Shields damaged and down.");
  22                                         return;
  23                                 }
  24                                 if (isit("up"))
  25                                         action = SHUP;
  26                                 else if (isit("down"))
  27                                         action = SHDN;
  28                         }
  29                 }
  30                 if (action==NONE) {
  31                         proutn("Do you wish to change shield energy? ");
  32                         if (ja()) {
  33                                 proutn("Energy to transfer to shields- ");
  34                                 action = NRG;
  35                         }
  36                         else if (game.damage[DSHIELD]) {
  37                                 prout("Shields damaged and down.");
  38                                 return;
  39                         }
  40                         else if (shldup) {
  41                                 proutn("Shields are up. Do you want them down? ");
  42                                 if (ja()) action = SHDN;
  43                                 else {
  44                                         chew();
  45                                         return;
  46                                 }
  47                         }
  48                         else {
  49                                 proutn("Shields are down. Do you want them up? ");
  50                                 if (ja()) action = SHUP;
  51                                 else {
  52                                         chew();
  53                                         return;
  54                                 }
  55                         }
  56                 }
  57         }
  58         switch (action) {
  59                 case SHUP: /* raise shields */
  60                         if (shldup) {
  61                                 prout("Shields already up.");
  62                                 return;
  63                         }
  64                         shldup = 1;
  65                         shldchg = 1;
  66                         if (condit != IHDOCKED) energy -= 50.0;
  67                         prout("Shields raised.");
  68                         if (energy <= 0) {
  69                                 skip(1);
  70                                 prout("Shields raising uses up last of energy.");
  71                                 finish(FNRG);
  72                                 return;
  73                         }
  74                         ididit=1;
  75                         return;
  76                 case SHDN:
  77                         if (shldup==0) {
  78                                 prout("Shields already down.");
  79                                 return;
  80                         }
  81                         shldup=0;
  82                         shldchg=1;
  83                         prout("Shields lowered.");
  84                         ididit=1;
  85                         return;
  86                 case NRG:
  87                         while (scan() != IHREAL) {
  88                                 chew();
  89                                 proutn("Energy to transfer to shields- ");
  90                         }
  91                         chew();
  92                         if (aaitem==0) return;
  93                         if (aaitem > energy) {
  94                                 prout("Insufficient ship energy.");
  95                                 return;
  96                         }
  97                         ididit = 1;
  98                         if (shield+aaitem >= inshld) {
  99                                 prout("Shield energy maximized.");
 100                                 if (shield+aaitem > inshld) {
 101                                         prout("Excess energy requested returned to ship energy");
 102                                 }
 103                                 energy -= inshld-shield;
 104                                 shield = inshld;
 105                                 return;
 106                         }
 107                         if (aaitem < 0.0 && energy-aaitem > inenrg) {
 108                                 /* Prevent shield drain loophole */
 109                                 skip(1);
 110                                 prout("Engineering to bridge--");
 111                                 prout("  Scott here. Power circuit problem, Captain.");
 112                                 prout("  I can't drain the shields.");
 113                                 ididit = 0;
 114                                 return;
 115                         }
 116                         if (shield+aaitem < 0) {
 117                                 prout("All shield energy transferred to ship.");
 118                                 energy += shield;
 119                                 shield = 0.0;
 120                                 return;
 121                         }
 122                         proutn("Scotty- \"");
 123                         if (aaitem > 0)
 124                                 prout("Transferring energy to shields.\"");
 125                         else
 126                                 prout("Draining energy from shields.\"");
 127                         shield += aaitem;
 128                         energy -= aaitem;
 129                         return;
 130                 case NONE:;     /* avoid gcc warning */
 131         }
 132 }
 133
 134 void ram(int ibumpd, int ienm, int ix, int iy) {
 135         double type = 1.0, extradm;
 136         int icas, l;
 137
 138         prouts("***RED ALERT!  RED ALERT!");
 139         skip(1);
 140         prout("***COLLISION IMMINENT.");
 141         skip(2);
 142         proutn("***");
 143         crmshp();
 144         switch (ienm) {
 145                 case IHR: type = 1.5; break;
 146                 case IHC: type = 2.0; break;
 147                 case IHS: type = 2.5; break;
 148                 case IHT: type = 0.5; break;
 149                 case IHQUEST: type = 4.0; break;
 150         }
 151         proutn(ibumpd ? " rammed by " : " rams ");
 152         crmena(0, ienm, 2, ix, iy);
 153         if (ibumpd) proutn(" (original position)");
 154         skip(1);
 155         deadkl(ix, iy, ienm, sectx, secty);
 156         proutn("***");
 157         crmshp();
 158         prout(" heavily damaged.");
 159         icas = 10.0+20.0*Rand();
 160         prout("***Sickbay reports %d casualties", icas);
 161         casual += icas;
 162         for (l=1; l <= NDEVICES; l++) {
 163                 if (l == DDRAY) continue; // Don't damage deathray
 164                 if (game.damage[l] < 0) continue;
 165                 extradm = (10.0*type*Rand()+1.0)*damfac;
 166                 game.damage[l] += Time + extradm; /* Damage for at least time of travel! */
 167         }
 168         shldup = 0;
 169         if (game.state.remkl) {
 170                 pause_game(2);
 171                 dreprt();
 172         }
 173         else finish(FWON);
 174         return;
 175 }
 176
 177 void torpedo(double course, double r, int inx, int iny, double *hit, int wait, int i, int n) {
 178         int l, iquad=0, ix=0, iy=0, jx=0, jy=0, shoved=0, ll;
 179         int crx,cry;
 180
 181         double ac=course + 0.25*r;
 182         double angle = (15.0-ac)*0.5235988;
 183         double bullseye = (15.0 - course)*0.5235988;
 184         double deltax=-sin(angle), deltay=cos(angle), x=inx, y=iny, bigger;
 185         double ang, temp, xx, yy, kp, h1;
 186
 187         bigger = fabs(deltax);
 188         if (fabs(deltay) > bigger) bigger = fabs(deltay);
 189         deltax /= bigger;
 190         deltay /= bigger;
 191         crx=wherex();
 192         cry=wherey();
 193         if (game.damage[DSRSENS]==0 || condit==IHDOCKED) setwnd(LEFTUPPER_WINDOW);
 194         else setwnd(LOWER_WINDOW);
 195         /* Loop to move a single torpedo */
 196         for (l=1; l <= 15; l++) {
 197                 x += deltax;
 198                 ix = x + 0.5;
 199                 if (ix < 1 || ix > 10) break;
 200                 y += deltay;
 201                 iy = y + 0.5;
 202                 if (iy < 1 || iy > 10) break;
 203                 iquad=game.quad[ix][iy];
 204                 tracktorpedo(x, y, ix, iy, wait, l, i, n, iquad);
 205                 wait = 1;
 206                 if (iquad==IHDOT) continue;
 207                 /* hit something */
 208                 setwnd(LOWER_WINDOW);
 209                 gotoxy(crx,cry);
 210                 switch(iquad) {
 211                         case IHE: /* Hit our ship */
 212                         case IHF:
 213                                 skip(1);
 214                                 proutn("Torpedo hits ");
 215                                 crmshp();
 216                                 prout(".");
 217                                 *hit = 700.0 + 100.0*Rand() -
 218                                            1000.0*sqrt(square(ix-inx)+square(iy-iny))*
 219                                            fabs(sin(bullseye-angle));
 220                                 *hit = fabs(*hit);
 221                                 newcnd(); /* we're blown out of dock */
 222                                 /* We may be displaced. */
 223                                 if (landed==1 || condit==IHDOCKED) return; /* Cheat if on a planet */
 224                                 ang = angle + 2.5*(Rand()-0.5);
 225                                 temp = fabs(sin(ang));
 226                                 if (fabs(cos(ang)) > temp) temp = fabs(cos(ang));
 227                                 xx = -sin(ang)/temp;
 228                                 yy = cos(ang)/temp;
 229                                 jx=ix+xx+0.5;
 230                                 jy=iy+yy+0.5;
 231                                 if (jx<1 || jx>10 || jy<1 ||jy > 10) return;
 232                                 if (game.quad[jx][jy]==IHBLANK) {
 233                                         finish(FHOLE);
 234                                         return;
 235                                 }
 236                                 if (game.quad[jx][jy]!=IHDOT) {
 237                                         /* can't move into object */
 238                                         return;
 239                                 }
 240                                 sectx = jx;
 241                                 secty = jy;
 242                                 crmshp();
 243                                 shoved = 1;
 244                                 break;
 245
 246                         case IHC: /* Hit a commander */
 247                         case IHS:
 248                                 if (Rand() <= 0.05) {
 249                                         crmena(1, iquad, 2, ix, iy);
 250                                         prout(" uses anti-photon device;");
 251                                         prout("   torpedo neutralized.");
 252                                         return;
 253                                 }
 254                         case IHR: /* Hit a regular enemy */
 255                         case IHK:
 256                                 /* find the enemy */
 257                                 for (ll=1; ll <= nenhere; ll++)
 258                                         if (ix==game.kx[ll] && iy==game.ky[ll]) break;
 259                                 kp = fabs(game.kpower[ll]);
 260                                 h1 = 700.0 + 100.0*Rand() -
 261                                          1000.0*sqrt(square(ix-inx)+square(iy-iny))*
 262                                          fabs(sin(bullseye-angle));
 263                                 h1 = fabs(h1);
 264                                 if (kp < h1) h1 = kp;
 265                                 game.kpower[ll] -= (game.kpower[ll]<0 ? -h1 : h1);
 266                                 if (game.kpower[ll] == 0) {
 267                                         deadkl(ix, iy, iquad, ix, iy);
 268                                         return;
 269                                 }
 270                                 crmena(1, iquad, 2, ix, iy);
 271                                 /* If enemy damaged but not destroyed, try to displace */
 272                                 ang = angle + 2.5*(Rand()-0.5);
 273                                 temp = fabs(sin(ang));
 274                                 if (fabs(cos(ang)) > temp) temp = fabs(cos(ang));
 275                                 xx = -sin(ang)/temp;
 276                                 yy = cos(ang)/temp;
 277                                 jx=ix+xx+0.5;
 278                                 jy=iy+yy+0.5;
 279                                 if (jx<1 || jx>10 || jy<1 ||jy > 10) {
 280                                         prout(" damaged but not destroyed.");
 281                                         return;
 282                                 }
 283                                 if (game.quad[jx][jy]==IHBLANK) {
 284                                         prout(" buffeted into black hole.");
 285                                         deadkl(ix, iy, iquad, jx, jy);
 286                                         return;
 287                                 }
 288                                 if (game.quad[jx][jy]!=IHDOT) {
 289                                         /* can't move into object */
 290                                         prout(" damaged but not destroyed.");
 291                                         return;
 292                                 }
 293                                 proutn(" damaged--");
 294                                 game.kx[ll] = jx;
 295                                 game.ky[ll] = jy;
 296                                 shoved = 1;
 297                                 break;
 298                         case IHB: /* Hit a base */
 299                                 skip(1);
 300                                 prout("***STARBASE DESTROYED..");
 301                                 if (game.starch[quadx][quady] < 0) game.starch[quadx][quady] = 0;
 302                                 for (ll=1; ll<=game.state.rembase; ll++) {
 303                                         if (game.state.baseqx[ll]==quadx && game.state.baseqy[ll]==quady) {
 304                                                 game.state.baseqx[ll]=game.state.baseqx[game.state.rembase];
 305                                                 game.state.baseqy[ll]=game.state.baseqy[game.state.rembase];
 306                                                 break;
 307                                         }
 308                                 }
 309                                 game.quad[ix][iy]=IHDOT;
 310                                 game.state.rembase--;
 311                                 basex=basey=0;
 312                                 game.state.galaxy[quadx][quady] -= 10;
 313                                 game.state.basekl++;
 314                                 newcnd();
 315                                 return;
 316                         case IHP: /* Hit a planet */
 317                                 crmena(1, iquad, 2, ix, iy);
 318                                 prout(" destroyed.");
 319                                 game.state.nplankl++;
 320                                 game.state.newstuf[quadx][quady] -= 1;
 321                                 DESTROY(&game.state.plnets[iplnet]);
 322                                 iplnet = 0;
 323                                 plnetx = plnety = 0;
 324                                 game.quad[ix][iy] = IHDOT;
 325                                 if (landed==1) {
 326                                         /* captain parishes on planet */
 327                                         finish(FDPLANET);
 328                                 }
 329                                 return;
 330                         case IHSTAR: /* Hit a star */
 331                                 if (Rand() > 0.10) {
 332                                         nova(ix, iy);
 333                                         return;
 334                                 }
 335                                 crmena(1, IHSTAR, 2, ix, iy);
 336                                 prout(" unaffected by photon blast.");
 337                                 return;
 338                         case IHQUEST: /* Hit a thingy */
 339                             if (Rand()>0.7) {   // Used to be certain death
 340                                 skip(1);
 341                                 prouts("AAAAIIIIEEEEEEEEAAAAAAAAUUUUUGGGGGHHHHHHHHHHHH!!!");
 342                                 skip(1);
 343                                 prouts("    HACK!     HACK!    HACK!        *CHOKE!*  ");
 344                                 skip(1);
 345                                 proutn("Mr. Spock-");
 346                                 prouts("  \"Fascinating!\"");
 347                                 skip(1);
 348                                 deadkl(ix, iy, iquad, ix, iy);
 349                             } else {
 350                                 /*
 351                                  * Stas Sergeev added the possibility that
 352                                  * you can shove the Thingy.
 353                                  */
 354                                 iqengry=1;
 355                                 shoved=1;
 356                             }
 357                             return;
 358                         case IHBLANK: /* Black hole */
 359                                 skip(1);
 360                                 crmena(1, IHBLANK, 2, ix, iy);
 361                                 prout(" swallows torpedo.");
 362                                 return;
 363                         case IHWEB: /* hit the web */
 364                                 skip(1);
 365                                 prout("***Torpedo absorbed by Tholian web.");
 366                                 return;
 367                         case IHT:  /* Hit a Tholian */
 368                                 h1 = 700.0 + 100.0*Rand() -
 369                                          1000.0*sqrt(square(ix-inx)+square(iy-iny))*
 370                                          fabs(sin(bullseye-angle));
 371                                 h1 = fabs(h1);
 372                                 if (h1 >= 600) {
 373                                         game.quad[ix][iy] = IHDOT;
 374                                         ithere = 0;
 375                                         ithx = ithy = 0;
 376                                         deadkl(ix, iy, iquad, ix, iy);
 377                                         return;
 378                                 }
 379                                 skip(1);
 380                                 crmena(1, IHT, 2, ix, iy);
 381                                 if (Rand() > 0.05) {
 382                                         prout(" survives photon blast.");
 383                                         return;
 384                                 }
 385                                 prout(" disappears.");
 386                                 game.quad[ix][iy] = IHWEB;
 387                                 ithere = ithx = ithy = 0;
 388                                 nenhere--;
 389                                 {
 390                                         int dum, my;
 391                                         dropin(IHBLANK, &dum, &my);
 392                                 }
 393                                 return;
 394
 395                         default: /* Problem! */
 396                                 skip(1);
 397                                 proutn("Don't know how to handle collision with ");
 398                                 crmena(1, iquad, 2, ix, iy);
 399                                 skip(1);
 400                                 return;
 401                 }
 402                 break;
 403         }
 404         if(curwnd!=LOWER_WINDOW) {
 405             setwnd(LOWER_WINDOW);
 406             gotoxy(crx,cry);
 407         }
 408         if (shoved) {
 409                 game.quad[jx][jy]=iquad;
 410                 game.quad[ix][iy]=IHDOT;
 411                 prout(" displaced by blast to %s ", cramlc(sector, jx, jy));
 412                 for (ll=1; ll<=nenhere; ll++)
 413                         game.kdist[ll] = game.kavgd[ll] = sqrt(square(sectx-game.kx[ll])+square(secty-game.ky[ll]));
 414                 sortkl();
 415                 return;
 416         }
 417         skip(1);
 418         prout("Torpedo missed.");
 419         return;
 420 }
 421
 422 static void fry(double hit) {
 423         double ncrit, extradm;
 424         int ktr=1, l, ll, j, cdam[NDEVICES+1];
 425
 426         /* a critical hit occured */
 427         if (hit < (275.0-25.0*skill)*(1.0+0.5*Rand())) return;
 428
 429         ncrit = 1.0 + hit/(500.0+100.0*Rand());
 430         proutn("***CRITICAL HIT--");
 431         /* Select devices and cause damage */
 432         for (l = 1; l <= ncrit && l <= NDEVICES; l++) {
 433                 do {
 434                         j = NDEVICES*Rand()+1.0;
 435                         /* Cheat to prevent shuttle damage unless on ship */
 436                 } while (game.damage[j] < 0.0 || (j == DSHUTTL && iscraft != 1) ||
 437                                  j == DDRAY);
 438                 cdam[l] = j;
 439                 extradm = (hit*damfac)/(ncrit*(75.0+25.0*Rand()));
 440                 game.damage[j] += extradm;
 441                 if (l > 1) {
 442                         for (ll=2; ll<=l && j != cdam[ll-1]; ll++) ;
 443                         if (ll<=l) continue;
 444                         ktr += 1;
 445                         if (ktr==3) skip(1);
 446                         proutn(" and ");
 447                 }
 448                 proutn(device[j]);
 449         }
 450         prout(" damaged.");
 451         if (game.damage[DSHIELD] && shldup) {
 452                 prout("***Shields knocked down.");
 453                 shldup=0;
 454         }
 455 }
 456
 457 void attack(int k) {
 458         /* k == 0 forces use of phasers in an attack */
 459         int percent, ihurt=0, l, i=0, jx, jy, iquad, itflag;
 460         int atackd = 0, attempt = 0;
 461         double hit;
 462         double pfac, dustfac, hitmax=0.0, hittot=0.0, chgfac=1.0, r;
 463
 464         iattak = 1;
 465         if (alldone) return;
 466 #ifdef DEBUG
 467         if (idebug) prout("ATTACK!");
 468 #endif
 469
 470         if (ithere) movetho();
 471
 472         if (neutz) { /* The one chance not to be attacked */
 473                 neutz = 0;
 474                 return;
 475         }
 476         if ((((comhere || ishere) && (justin == 0)) || skill == 5)&&(k!=0)) movcom();
 477         if (nenhere==0 || (nenhere==1 && iqhere && iqengry==0)) return;
 478         pfac = 1.0/inshld;
 479         if (shldchg == 1) chgfac = 0.25+0.5*Rand();
 480         skip(1);
 481         if (skill <= 2) i = 2;
 482         for (l=1; l <= nenhere; l++) {
 483                 if (game.kpower[l] < 0) continue;       /* too weak to attack */
 484                 /* compute hit strength and diminsh shield power */
 485                 r = Rand();
 486                 /* Increase chance of photon torpedos if docked or enemy energy low */
 487                 if (condit == IHDOCKED) r *= 0.25;
 488                 if (game.kpower[l] < 500) r *= 0.25;
 489                 jx = game.kx[l];
 490                 jy = game.ky[l];
 491                 iquad = game.quad[jx][jy];
 492                 if (iquad==IHT || (iquad==IHQUEST && !iqengry)) continue;
 493                 itflag = (iquad == IHK && r > 0.0005) || k == 0 ||
 494                         (iquad==IHC && r > 0.015) ||
 495                         (iquad==IHR && r > 0.3) ||
 496                         (iquad==IHS && r > 0.07) ||
 497                         (iquad==IHQUEST && r > 0.05);
 498                 if (itflag) {
 499                         /* Enemy uses phasers */
 500                         if (condit == IHDOCKED) continue; /* Don't waste the effort! */
 501                         attempt = 1; /* Attempt to attack */
 502                         dustfac = 0.8+0.05*Rand();
 503                         hit = game.kpower[l]*pow(dustfac,game.kavgd[l]);
 504                         game.kpower[l] *= 0.75;
 505                 }
 506                 else { /* Enemy used photon torpedo */
 507                         double course = 1.90985*atan2((double)secty-jy, (double)jx-sectx);
 508                         hit = 0;
 509                         proutn("***TORPEDO INCOMING");
 510                         if (game.damage[DSRSENS] <= 0.0) {
 511                                 proutn(" From ");
 512                                 crmena(0, iquad, i, jx, jy);
 513                         }
 514                         attempt = 1;
 515                         prout("  ");
 516                         r = (Rand()+Rand())*0.5 -0.5;
 517                         r += 0.002*game.kpower[l]*r;
 518                         torpedo(course, r, jx, jy, &hit, 0, 1, 1);
 519                         if (game.state.remkl==0) finish(FWON); /* Klingons did themselves in! */
 520                         if (game.state.galaxy[quadx][quady] == 1000 ||
 521                                 alldone) return; /* Supernova or finished */
 522                         if (hit == 0) continue;
 523                 }
 524                 if (shldup != 0 || shldchg != 0 || condit==IHDOCKED) {
 525                         /* shields will take hits */
 526                         double absorb, hitsh, propor = pfac*shield*(condit==IHDOCKED ? 2.1 : 1.0);
 527                         if(propor < 0.1) propor = 0.1;
 528                         hitsh = propor*chgfac*hit+1.0;
 529                         atackd=1;
 530                         absorb = 0.8*hitsh;
 531                         if (absorb > shield) absorb = shield;
 532                         shield -= absorb;
 533                         hit -= hitsh;
 534                         if (condit==IHDOCKED) dock(0);
 535                         if (propor > 0.1 && hit < 0.005*energy) continue;
 536                 }
 537                 /* It's a hit -- print out hit size */
 538                 atackd = 1; /* We weren't going to check casualties, etc. if
 539                                shields were down for some strange reason. This
 540                                            doesn't make any sense, so I've fixed it */
 541                 ihurt = 1;
 542                 proutn("%d unit hit", (int)hit);
 543                 if ((game.damage[DSRSENS] > 0 && itflag) || skill <= 2) {
 544                         proutn(" on the ");
 545                         crmshp();
 546                 }
 547                 if (game.damage[DSRSENS] <= 0.0 && itflag) {
 548                         proutn(" from ");
 549                         crmena(0, iquad, i, jx, jy);
 550                 }
 551                 skip(1);
 552                 /* Decide if hit is critical */
 553                 if (hit > hitmax) hitmax = hit;
 554                 hittot += hit;
 555                 fry(hit);
 556                 prout("Hit %g energy %g", hit, energy);
 557                 energy -= hit;
 558                 if (condit==IHDOCKED) dock(0);
 559         }
 560         if (energy <= 0) {
 561                 /* Returning home upon your shield, not with it... */
 562                 finish(FBATTLE);
 563                 return;
 564         }
 565         if (attempt == 0 && condit == IHDOCKED)
 566                 prout("***Enemies decide against attacking your ship.");
 567         if (atackd == 0) return;
 568         percent = 100.0*pfac*shield+0.5;
 569         if (ihurt==0) {
 570                 /* Shields fully protect ship */
 571                 proutn("Enemy attack reduces shield strength to ");
 572         }
 573         else {
 574                 /* Print message if starship suffered hit(s) */
 575                 skip(1);
 576                 proutn("Energy left %2d    shields ", (int)energy);
 577                 if (shldup) proutn("up ");
 578                 else if (game.damage[DSHIELD] == 0) proutn("down ");
 579                 else proutn("damaged, ");
 580         }
 581         prout("%d%%,   torpedoes left %d", percent, torps);
 582         /* Check if anyone was hurt */
 583         if (hitmax >= 200 || hittot >= 500) {
 584                 int icas= hittot*Rand()*0.015;
 585                 if (icas >= 2) {
 586                         skip(1);
 587                         prout("Mc Coy-  \"Sickbay to bridge.  We suffered %d casualties", icas);
 588                         prout("   in that last attack.\"");
 589                         casual += icas;
 590                 }
 591         }
 592         /* After attack, reset average distance to enemies */
 593         for (l = 1; l <= nenhere; l++)
 594                 game.kavgd[l] = game.kdist[l];
 595         sortkl();
 596         return;
 597 }
 598
 599 void deadkl(int ix, int iy, int type, int ixx, int iyy) {
 600         /* Added ixx and iyy allow enemy to "move" before dying */
 601
 602         int i,j;
 603
 604         skip(1);
 605         crmena(1, type, 2, ixx, iyy);
 606         /* Decide what kind of enemy it is and update approriately */
 607         if (type == IHR) {
 608                 /* chalk up a Romulan */
 609                 game.state.newstuf[quadx][quady] -= 10;
 610                 irhere--;
 611                 game.state.nromkl++;
 612                 game.state.nromrem--;
 613         }
 614         else if (type == IHT) {
 615                 /* Killed a Tholian */
 616                 ithere = 0;
 617         }
 618         else if (type == IHQUEST) {
 619                 /* Killed a Thingy */
 620              iqhere=iqengry=thingx=thingy=0;
 621         }
 622         else {
 623                 /* Some type of a Klingon */
 624                 game.state.galaxy[quadx][quady] -= 100;
 625                 klhere--;
 626                 game.state.remkl--;
 627                 switch (type) {
 628                         case IHC:
 629                                 comhere = 0;
 630                                 for (i=1; i<=game.state.remcom; i++)
 631                                         if (game.state.cx[i]==quadx && game.state.cy[i]==quady) break;
 632                                 game.state.cx[i] = game.state.cx[game.state.remcom];
 633                                 game.state.cy[i] = game.state.cy[game.state.remcom];
 634                                 game.state.cx[game.state.remcom] = 0;
 635                                 game.state.cy[game.state.remcom] = 0;
 636                                 game.state.remcom--;
 637                                 game.future[FTBEAM] = 1e30;
 638                                 if (game.state.remcom != 0)
 639                                         game.future[FTBEAM] = game.state.date + expran(1.0*incom/game.state.remcom);
 640                                 game.state.killc++;
 641                                 break;
 642                         case IHK:
 643                                 game.state.killk++;
 644                                 break;
 645                         case IHS:
 646                                 game.state.nscrem = ishere = game.state.isx = game.state.isy = isatb = iscate = 0;
 647                                 game.state.nsckill = 1;
 648                                 game.future[FSCMOVE] = game.future[FSCDBAS] = 1e30;
 649                                 break;
 650                 }
 651         }
 652
 653         /* For each kind of enemy, finish message to player */
 654         prout(" destroyed.");
 655         game.quad[ix][iy] = IHDOT;
 656         if (game.state.remkl==0) return;
 657
 658         game.state.remtime = game.state.remres/(game.state.remkl + 4*game.state.remcom);
 659
 660         /* Remove enemy ship from arrays describing local conditions */
 661         if (game.future[FCDBAS] < 1e30 && batx==quadx && baty==quady && type==IHC)
 662             game.future[FCDBAS] = 1e30;
 663         for (i=1; i<=nenhere; i++)
 664                 if (game.kx[i]==ix && game.ky[i]==iy) break;
 665         nenhere--;
 666         if (i <= nenhere)  {
 667                 for (j=i; j<=nenhere; j++) {
 668                         game.kx[j] = game.kx[j+1];
 669                         game.ky[j] = game.ky[j+1];
 670                         game.kpower[j] = game.kpower[j+1];
 671                         game.kavgd[j] = game.kdist[j] = game.kdist[j+1];
 672                 }
 673         }
 674         game.kx[nenhere+1] = 0;
 675         game.ky[nenhere+1] = 0;
 676         game.kdist[nenhere+1] = 0;
 677         game.kavgd[nenhere+1] = 0;
 678         game.kpower[nenhere+1] = 0;
 679         return;
 680 }
 681
 682 static int targetcheck(double x, double y, double *course) {
 683         double deltx, delty;
 684         /* Return TRUE if target is invalid */
 685         if (x < 1.0 || x > 10.0 || y < 1.0 || y > 10.0) {
 686                 huh();
 687                 return 1;
 688         }
 689         deltx = 0.1*(y - secty);
 690         delty = 0.1*(sectx - x);
 691         if (deltx==0 && delty== 0) {
 692                 skip(1);
 693                 prout("Spock-  \"Bridge to sickbay.  Dr. McCoy,");
 694                 prout("  I recommend an immediate review of");
 695                 prout("  the Captain's psychological profile.\"");
 696                 chew();
 697                 return 1;
 698         }
 699         *course = 1.90985932*atan2(deltx, delty);
 700         return 0;
 701 }
 702
 703 void photon(void) {
 704         double targ[4][3], course[4];
 705         double r, dummy;
 706         int key, n, i, osuabor;
 707
 708         ididit = 0;
 709
 710         if (game.damage[DPHOTON]) {
 711                 prout("Photon tubes damaged.");
 712                 chew();
 713                 return;
 714         }
 715         if (torps == 0) {
 716                 prout("No torpedoes left.");
 717                 chew();
 718                 return;
 719         }
 720         key = scan();
 721         for (;;) {
 722                 if (key == IHALPHA) {
 723                         huh();
 724                         return;
 725                 }
 726                 else if (key == IHEOL) {
 727                         prout("%d torpedoes left.", torps);
 728                         proutn("Number of torpedoes to fire- ");
 729                         key = scan();
 730                 }
 731                 else /* key == IHREAL */ {
 732                         n = aaitem + 0.5;
 733                         if (n <= 0) { /* abort command */
 734                                 chew();
 735                                 return;
 736                         }
 737                         if (n > 3) {
 738                                 chew();
 739                                 prout("Maximum of 3 torpedoes per burst.");
 740                                 key = IHEOL;
 741                                 return;
 742                         }
 743                         if (n <= torps) break;
 744                         chew();
 745                         key = IHEOL;
 746                 }
 747         }
 748         for (i = 1; i <= n; i++) {
 749                 key = scan();
 750                 if (i==1 && key == IHEOL) {
 751                         break;  /* we will try prompting */
 752                 }
 753                 if (i==2 && key == IHEOL) {
 754                         /* direct all torpedoes at one target */
 755                         while (i <= n) {
 756                                 targ[i][1] = targ[1][1];
 757                                 targ[i][2] = targ[1][2];
 758                                 course[i] = course[1];
 759                                 i++;
 760                         }
 761                         break;
 762                 }
 763                 if (key != IHREAL) {
 764                         huh();
 765                         return;
 766                 }
 767                 targ[i][1] = aaitem;
 768                 key = scan();
 769                 if (key != IHREAL) {
 770                         huh();
 771                         return;
 772                 }
 773                 targ[i][2] = aaitem;
 774                 if (targetcheck(targ[i][1], targ[i][2], &course[i])) return;
 775         }
 776         chew();
 777         if (i == 1 && key == IHEOL) {
 778                 /* prompt for each one */
 779                 for (i = 1; i <= n; i++) {
 780                     proutn("Target sector for torpedo number %d- ", i);
 781                         key = scan();
 782                         if (key != IHREAL) {
 783                                 huh();
 784                                 return;
 785                         }
 786                         targ[i][1] = aaitem;
 787                         key = scan();
 788                         if (key != IHREAL) {
 789                                 huh();
 790                                 return;
 791                         }
 792                         targ[i][2] = aaitem;
 793                         chew();
 794                         if (targetcheck(targ[i][1], targ[i][2], &course[i])) return;
 795                 }
 796         }
 797         ididit = 1;
 798         /* Loop for moving <n> torpedoes */
 799         osuabor = 0;
 800         for (i = 1; i <= n && !osuabor; i++) {
 801                 if (condit != IHDOCKED) torps--;
 802                 r = (Rand()+Rand())*0.5 -0.5;
 803                 if (fabs(r) >= 0.47) {
 804                         /* misfire! */
 805                         r = (Rand()+1.2) * r;
 806                         if (n>1) {
 807                             prouts("***TORPEDO NUMBER %d MISFIRES", i);
 808                         }
 809                         else prouts("***TORPEDO MISFIRES.");
 810                         skip(1);
 811                         if (i < n)
 812                                 prout("  Remainder of burst aborted.");
 813                         osuabor=1;
 814                         if (Rand() <= 0.2) {
 815                                 prout("***Photon tubes damaged by misfire.");
 816                                 game.damage[DPHOTON] = damfac*(1.0+2.0*Rand());
 817                                 break;
 818                         }
 819                 }
 820                 if (shldup || condit == IHDOCKED) r *= 1.0 + 0.0001*shield;
 821                 torpedo(course[i], r, sectx, secty, &dummy, 0, i, n);
 822                 if (alldone || game.state.galaxy[quadx][quady]==1000) return;
 823         }
 824         if (game.state.remkl==0) finish(FWON);
 825 }
 826
 827
 828
 829 static void overheat(double rpow) {
 830         if (rpow > 1500) {
 831                 double chekbrn = (rpow-1500.)*0.00038;
 832                 if (Rand() <= chekbrn) {
 833                         prout("Weapons officer Sulu-  \"Phasers overheated, sir.\"");
 834                         game.damage[DPHASER] = damfac*(1.0 + Rand()) * (1.0+chekbrn);
 835                 }
 836         }
 837 }
 838
 839 static int checkshctrl(double rpow) {
 840         double hit;
 841         int icas;
 842
 843         skip(1);
 844         if (Rand() < .998) {
 845                 prout("Shields lowered.");
 846                 return 0;
 847         }
 848         /* Something bad has happened */
 849         prouts("***RED ALERT!  RED ALERT!");
 850         skip(2);
 851         hit = rpow*shield/inshld;
 852         energy -= rpow+hit*0.8;
 853         shield -= hit*0.2;
 854         if (energy <= 0.0) {
 855                 prouts("Sulu-  \"Captain! Shield malf***********************\"");
 856                 skip(1);
 857                 stars();
 858                 finish(FPHASER);
 859                 return 1;
 860         }
 861         prouts("Sulu-  \"Captain! Shield malfunction! Phaser fire contained!\"");
 862         skip(2);
 863         prout("Lt. Uhura-  \"Sir, all decks reporting damage.\"");
 864         icas = hit*Rand()*0.012;
 865         skip(1);
 866         fry(0.8*hit);
 867         if (icas) {
 868                 skip(1);
 869                 prout("McCoy to bridge- \"Severe radiation burns, Jim.");
 870                 prout("  %d casualties so far.\"", icas);
 871                 casual -= icas;
 872         }
 873         skip(1);
 874         prout("Phaser energy dispersed by shields.");
 875         prout("Enemy unaffected.");
 876         overheat(rpow);
 877         return 1;
 878 }
 879
 880
 881 void phasers(void) {
 882         double hits[21], rpow=0, extra, powrem, over, temp;
 883         int kz = 0, k=1, i, irec=0; /* Cheating inhibitor */
 884         int ifast=0, no=0, ipoop=1, msgflag = 1;
 885         enum {NOTSET, MANUAL, FORCEMAN, AUTOMATIC} automode = NOTSET;
 886         int key=0;
 887
 888         skip(1);
 889         /* SR sensors and Computer */
 890         if (game.damage[DSRSENS]+game.damage[DCOMPTR] > 0) ipoop = 0;
 891         if (condit == IHDOCKED) {
 892                 prout("Phasers can't be fired through base shields.");
 893                 chew();
 894                 return;
 895         }
 896         if (game.damage[DPHASER] != 0) {
 897                 prout("Phaser control damaged.");
 898                 chew();
 899                 return;
 900         }
 901         if (shldup) {
 902                 if (game.damage[DSHCTRL]) {
 903                         prout("High speed shield control damaged.");
 904                         chew();
 905                         return;
 906                 }
 907                 if (energy <= 200.0) {
 908                         prout("Insufficient energy to activate high-speed shield control.");
 909                         chew();
 910                         return;
 911                 }
 912                 prout("Weapons Officer Sulu-  \"High-speed shield control enabled, sir.\"");
 913                 ifast = 1;
 914
 915         }
 916         /* Original code so convoluted, I re-did it all */
 917         while (automode==NOTSET) {
 918                 key=scan();
 919                 if (key == IHALPHA) {
 920                         if (isit("manual")) {
 921                                 if (nenhere==0) {
 922                                         prout("There is no enemy present to select.");
 923                                         chew();
 924                                         key = IHEOL;
 925                                         automode=AUTOMATIC;
 926                                 }
 927                                 else {
 928                                         automode = MANUAL;
 929                                         key = scan();
 930                                 }
 931                         }
 932                         else if (isit("automatic")) {
 933                                 if ((!ipoop) && nenhere != 0) {
 934                                         automode = FORCEMAN;
 935                                 }
 936                                 else {
 937                                         if (nenhere==0)
 938                                                 prout("Energy will be expended into space.");
 939                                         automode = AUTOMATIC;
 940                                         key = scan();
 941                                 }
 942                         }
 943                         else if (isit("no")) {
 944                                 no = 1;
 945                         }
 946                         else {
 947                                 huh();
 948                                 return;
 949                         }
 950                 }
 951                 else if (key == IHREAL) {
 952                         if (nenhere==0) {
 953                                 prout("Energy will be expended into space.");
 954                                 automode = AUTOMATIC;
 955                         }
 956                         else if (!ipoop)
 957                                 automode = FORCEMAN;
 958                         else
 959                                 automode = AUTOMATIC;
 960                 }
 961                 else {
 962                         /* IHEOL */
 963                         if (nenhere==0) {
 964                                 prout("Energy will be expended into space.");
 965                                 automode = AUTOMATIC;
 966                         }
 967                         else if (!ipoop)
 968                                 automode = FORCEMAN;
 969                         else
 970                         proutn("Manual or automatic? ");
 971                 }
 972         }
 973
 974         switch (automode) {
 975                 case AUTOMATIC:
 976                         if (key == IHALPHA && isit("no")) {
 977                                 no = 1;
 978                                 key = scan();
 979                         }
 980                         if (key != IHREAL && nenhere != 0) {
 981                                 prout("Phasers locked on target. Energy available: %.2f",
 982                                     ifast?energy-200.0:energy,1,2);
 983                         }
 984                         irec=0;
 985                         do {
 986                                         chew();
 987                                         if (!kz) for (i = 1; i <= nenhere; i++)
 988                                                      irec+=fabs(game.kpower[i])/(PHASEFAC*pow(0.90,game.kdist[i]))*
 989                                                      (1.01+0.05*Rand()) + 1.0;
 990                                         kz=1;
 991                                         proutn("(%d) units required. ", irec);
 992                                         chew();
 993                                         proutn("Units to fire= ");
 994                                         key = scan();
 995                                         if (key!=IHREAL) return;
 996                                         rpow = aaitem;
 997                                         if (rpow > (ifast?energy-200:energy)) {
 998                                             proutn("Energy available= %.2f",
 999                                             ifast?energy-200:energy);
1000                                         skip(1);
1001                                         key = IHEOL;
1002                                 }
1003                         } while (rpow > (ifast?energy-200:energy));
1004                         if (rpow<=0) {
1005                                 /* chicken out */
1006                                 chew();
1007                                 return;
1008                         }
1009                         if ((key=scan()) == IHALPHA && isit("no")) {
1010                                 no = 1;
1011                         }
1012                         if (ifast) {
1013                                 energy -= 200; /* Go and do it! */
1014                                 if (checkshctrl(rpow)) return;
1015                         }
1016                         chew();
1017                         energy -= rpow;
1018                         extra = rpow;
1019                         if (nenhere) {
1020                                 extra = 0.0;
1021                                 powrem = rpow;
1022                                 for (i = 1; i <= nenhere; i++) {
1023                                         hits[i] = 0.0;
1024                                         if (powrem <= 0) continue;
1025                                         hits[i] = fabs(game.kpower[i])/(PHASEFAC*pow(0.90,game.kdist[i]));
1026                                         over = (0.01 + 0.05*Rand())*hits[i];
1027                                         temp = powrem;
1028                                         powrem -= hits[i] + over;
1029                                         if (powrem <= 0 && temp < hits[i]) hits[i] = temp;
1030                                         if (powrem <= 0) over = 0.0;
1031                                         extra += over;
1032                                 }
1033                                 if (powrem > 0.0) extra += powrem;
1034                                 hittem(hits);
1035                                 ididit=1;
1036                         }
1037                         if (extra > 0 && alldone == 0) {
1038                                 if (ithere) {
1039                                         proutn("*** Tholian web absorbs ");
1040                                         if (nenhere>0) proutn("excess ");
1041                                         prout("phaser energy.");
1042                                 }
1043                                 else {
1044                                         prout("%d expended on empty space.", (int)extra);
1045                                 }
1046                         }
1047                         break;
1048
1049                 case FORCEMAN:
1050                         chew();
1051                         key = IHEOL;
1052                         if (game.damage[DCOMPTR]!=0)
1053                                 prout("Battle comuter damaged, manual file only.");
1054                         else {
1055                                 skip(1);
1056                                 prouts("---WORKING---");
1057                                 skip(1);
1058                                 prout("Short-range-sensors-damaged");
1059                                 prout("Insufficient-data-for-automatic-phaser-fire");
1060                                 prout("Manual-fire-must-be-used");
1061                                 skip(1);
1062                         }
1063                 case MANUAL:
1064                         rpow = 0.0;
1065                         for (k = 1; k <= nenhere;) {
1066                                 int ii = game.kx[k], jj = game.ky[k];
1067                                 int ienm = game.quad[ii][jj];
1068                                 if (msgflag) {
1069                                         proutn("Energy available= %.2f",
1070                                                energy-.006-(ifast?200:0));
1071                                         skip(1);
1072                                         msgflag = 0;
1073                                         rpow = 0.0;
1074                                 }
1075                                 if (game.damage[DSRSENS] && !(abs(sectx-ii) < 2 && abs(secty-jj) < 2) &&
1076                                         (ienm == IHC || ienm == IHS)) {
1077                                         cramen(ienm);
1078                                         prout(" can't be located without short range scan.");
1079                                         chew();
1080                                         key = IHEOL;
1081                                         hits[k] = 0; /* prevent overflow -- thanks to Alexei Voitenko */
1082                                         k++;
1083                                         continue;
1084                                 }
1085                                 if (key == IHEOL) {
1086                                         chew();
1087                                         if (ipoop && k > kz)
1088                                                 irec=(fabs(game.kpower[k])/(PHASEFAC*pow(0.9,game.kdist[k])))*
1089                                                                  (1.01+0.05*Rand()) + 1.0;
1090                                         kz = k;
1091                                         proutn("(");
1092                                         if (game.damage[DCOMPTR]==0) proutn("%d", irec);
1093                                         else proutn("??");
1094                                         proutn(")  ");
1095                                         proutn("units to fire at ");
1096                                         crmena(0, ienm, 2, ii, jj);
1097                                         proutn("-  ");
1098                                         key = scan();
1099                                 }
1100                                 if (key == IHALPHA && isit("no")) {
1101                                         no = 1;
1102                                         key = scan();
1103                                         continue;
1104                                         }
1105                                 if (key == IHALPHA) {
1106                                         huh();
1107                                         return;
1108                                 }
1109                                 if (key == IHEOL) {
1110                                         if (k==1) { /* Let me say I'm baffled by this */
1111                                                 msgflag = 1;
1112                                         }
1113                                         continue;
1114                                 }
1115                                 if (aaitem < 0) {
1116                                         /* abort out */
1117                                         chew();
1118                                         return;
1119                                 }
1120                                 hits[k] = aaitem;
1121                                 rpow += aaitem;
1122                                 /* If total requested is too much, inform and start over */
1123
1124                                 if (rpow > (ifast?energy-200:energy)) {
1125                                         prout("Available energy exceeded -- try again.");
1126                                         chew();
1127                                         return;
1128                                 }
1129                                 key = scan(); /* scan for next value */
1130                                 k++;
1131                         }
1132                         if (rpow == 0.0) {
1133                                 /* zero energy -- abort */
1134                                 chew();
1135                                 return;
1136                         }
1137                         if (key == IHALPHA && isit("no")) {
1138                                 no = 1;
1139                         }
1140                         energy -= rpow;
1141                         chew();
1142                         if (ifast) {
1143                                 energy -= 200.0;
1144                                 if (checkshctrl(rpow)) return;
1145                         }
1146                         hittem(hits);
1147                         ididit=1;
1148                 case NOTSET:;   /* avoid gcc warning */
1149         }
1150         /* Say shield raised or malfunction, if necessary */
1151         if (alldone) return;
1152         if (ifast) {
1153                 skip(1);
1154                 if (no == 0) {
1155                         if (Rand() >= 0.99) {
1156                                 prout("Sulu-  \"Sir, the high-speed shield control has malfunctioned . . .");
1157                                 prouts("         CLICK   CLICK   POP  . . .");
1158                                 prout(" No  response, sir!");
1159                                 shldup = 0;
1160                         }
1161                         else
1162                                 prout("Shields raised.");
1163                 }
1164                 else
1165                         shldup = 0;
1166         }
1167         overheat(rpow);
1168 }
1169
1170 void hittem(double *hits) {
1171         double kp, kpow, wham, hit, dustfac, kpini;
1172         int nenhr2=nenhere, k=1, kk=1, ii, jj, ienm;
1173
1174         skip(1);
1175
1176         for (; k <= nenhr2; k++, kk++) {
1177                 if ((wham = hits[k])==0) continue;
1178                 dustfac = 0.9 + 0.01*Rand();
1179                 hit = wham*pow(dustfac,game.kdist[kk]);
1180                 kpini = game.kpower[kk];
1181                 kp = fabs(kpini);
1182                 if (PHASEFAC*hit < kp) kp = PHASEFAC*hit;
1183                 game.kpower[kk] -= (game.kpower[kk] < 0 ? -kp: kp);
1184                 kpow = game.kpower[kk];
1185                 ii = game.kx[kk];
1186                 jj = game.ky[kk];
1187                 if (hit > 0.005) {
1188                         if (game.damage[DSRSENS]==0)
1189                             boom(ii, jj);
1190                         proutn("%d unit hit on ", (int)hit);
1191                 }
1192                 else
1193                         proutn("Very small hit on ");
1194                 ienm = game.quad[ii][jj];
1195                 if (ienm==IHQUEST) iqengry=1;
1196                 crmena(0,ienm,2,ii,jj);
1197                 skip(1);
1198                 if (kpow == 0) {
1199                         deadkl(ii, jj, ienm, ii, jj);
1200                         if (game.state.remkl==0) finish(FWON);
1201                         if (alldone) return;
1202                         kk--; /* don't do the increment */
1203                 }
1204                 else /* decide whether or not to emasculate klingon */
1205                         if (kpow > 0 && Rand() >= 0.9 &&
1206                                 kpow <= ((0.4 + 0.4*Rand())*kpini)) {
1207                                 prout("***Mr. Spock-  \"Captain, the vessel at ",
1208                                         cramlc(sector,ii,jj));
1209                                 prout("   has just lost its firepower.\"");
1210                                 game.kpower[kk] = -kpow;
1211                         }
1212         }
1213         return;
1214 }
1215