battle.c

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