src/moving.c

   1 #include <unistd.h>
   2 #include "sstlinux.h"
   3 #include "sst.h"
   4
   5 static void getcd(bool, int);
   6
   7 void imove(void)
   8 /* movement execution for warp, impule, supernova, and tractor-beam events */
   9 {
  10     double angle, deltax, deltay, bigger, x, y,
  11         finald, stopegy, probf;
  12     int n, m, kink, kinks;
  13     feature iquad;
  14     coord w, final;
  15     bool trbeam = false;
  16
  17     w.x = w.y = 0;
  18     if (game.inorbit) {
  19         prout(_("Helmsman Sulu- \"Leaving standard orbit.\""));
  20         game.inorbit = false;
  21     }
  22
  23     angle = ((15.0 - game.direc) * 0.5235988);
  24     deltax = -sin(angle);
  25     deltay = cos(angle);
  26     if (fabs(deltax) > fabs(deltay))
  27         bigger = fabs(deltax);
  28     else
  29         bigger = fabs(deltay);
  30
  31     deltay /= bigger;
  32     deltax /= bigger;
  33
  34     /* If tractor beam is to occur, don't move full distance */
  35     if (game.state.date+game.optime >= scheduled(FTBEAM)) {
  36         trbeam = true;
  37         game.condition = red;
  38         game.dist = game.dist*(scheduled(FTBEAM)-game.state.date)/game.optime + 0.1;
  39         game.optime = scheduled(FTBEAM) - game.state.date + 1e-5;
  40     }
  41     /* Move within the quadrant */
  42     game.quad[game.sector.x][game.sector.y] = IHDOT;
  43     x = game.sector.x;
  44     y = game.sector.y;
  45     n = 10.0*game.dist*bigger+0.5;
  46
  47     if (n > 0) {
  48         for (m = 1; m <= n; m++) {
  49             w.x = (x += deltax) + 0.5;
  50             w.y = (y += deltay) + 0.5;
  51             if (!VALID_SECTOR(w.x, w.y)) {
  52                 /* Leaving quadrant -- allow final enemy attack */
  53                 /* Don't do it if being pushed by Nova */
  54                 if (game.nenhere != 0 && game.iattak != 2) {
  55                     newcnd();
  56                     for_local_enemies(m) {
  57                         finald = distance(w, game.ks[m]);
  58                         game.kavgd[m] = 0.5 * (finald + game.kdist[m]);
  59                     }
  60                     /*
  61                      * Stas Sergeev added the condition
  62                      * that attacks only happen if Klingons
  63                      * are present and your skill is good.
  64                      */
  65                     if (game.skill > SKILL_GOOD && game.klhere > 0 && !game.state.galaxy[game.quadrant.x][game.quadrant.y].supernova)
  66                         attack(0);
  67                     if (game.alldone) return;
  68                 }
  69                 /* compute final position -- new quadrant and sector */
  70                 x = QUADSIZE*(game.quadrant.x-1)+game.sector.x;
  71                 y = QUADSIZE*(game.quadrant.y-1)+game.sector.y;
  72                 w.x = x+10.0*game.dist*bigger*deltax+0.5;
  73                 w.y = y+10.0*game.dist*bigger*deltay+0.5;
  74                 /* check for edge of galaxy */
  75                 kinks = 0;
  76                 do {
  77                     kink = 0;
  78                     if (w.x <= 0) {
  79                         w.x = -w.x + 1;
  80                         kink = 1;
  81                     }
  82                     if (w.y <= 0) {
  83                         w.y = -w.y + 1;
  84                         kink = 1;
  85                     }
  86                     if (w.x > GALSIZE*QUADSIZE) {
  87                         w.x = (GALSIZE*QUADSIZE*2)+1 - w.x;
  88                         kink = 1;
  89                     }
  90                     if (w.y > GALSIZE*QUADSIZE) {
  91                         w.y = (GALSIZE*QUADSIZE*2)+1 - w.y;
  92                         kink = 1;
  93                     }
  94                     if (kink) kinks = 1;
  95                 } while (kink);
  96
  97                 if (kinks) {
  98                     game.nkinks += 1;
  99                     if (game.nkinks == 3) {
 100                         /* Three strikes -- you're out! */
 101                         finish(FNEG3);
 102                         return;
 103                     }
 104                     skip(1);
 105                     prout(_("YOU HAVE ATTEMPTED TO CROSS THE NEGATIVE ENERGY BARRIER"));
 106                     prout(_("AT THE EDGE OF THE GALAXY.  THE THIRD TIME YOU TRY THIS,"));
 107                     prout(_("YOU WILL BE DESTROYED."));
 108                 }
 109                 /* Compute final position in new quadrant */
 110                 if (trbeam) return; /* Don't bother if we are to be beamed */
 111                 game.quadrant.x = (w.x+(QUADSIZE-1))/QUADSIZE;
 112                 game.quadrant.y = (w.y+(QUADSIZE-1))/QUADSIZE;
 113                 game.sector.x = w.x - QUADSIZE*(game.quadrant.x-1);
 114                 game.sector.y = w.y - QUADSIZE*(game.quadrant.y-1);
 115                 skip(1);
 116                 prout(_("Entering %s."), cramlc(quadrant, game.quadrant));
 117                 game.quad[game.sector.x][game.sector.y] = game.ship;
 118                 newqad(false);
 119                 if (game.skill>SKILL_NOVICE) attack(0);
 120                 return;
 121             }
 122             iquad = game.quad[w.x][w.y];
 123             if (iquad != IHDOT) {
 124                 /* object encountered in flight path */
 125                 stopegy = 50.0*game.dist/game.optime;
 126                 game.dist = distance(game.sector, w) / (QUADSIZE * 1.0);
 127                 switch (iquad) {
 128                 case IHT: /* Ram a Tholian */
 129                 case IHK: /* Ram enemy ship */
 130                 case IHC:
 131                 case IHS:
 132                 case IHR:
 133                 case IHQUEST:
 134                     game.sector = w;
 135                     ram(false, iquad, game.sector);
 136                     final = game.sector;
 137                     break;
 138                 case IHBLANK:
 139                     skip(1);
 140                     prouts(_("***RED ALERT!  RED ALERT!"));
 141                     skip(1);
 142                     proutn("***");
 143                     crmshp();
 144                     proutn(_(" pulled into black hole at "));
 145                     prout(cramlc(sector, w));
 146                     /*
 147                      * Getting pulled into a black hole was certain
 148                      * death in Almy's original.  Stas Sergeev added a
 149                      * possibility that you'll get timewarped instead.
 150                      */
 151                     n=0;
 152                     for (m=0;m<NDEVICES;m++)
 153                         if (game.damage[m]>0)
 154                             n++;
 155                     probf=pow(1.4,(game.energy+game.shield)/5000.0-1.0)*pow(1.3,1.0/(n+1)-1.0);
 156                     if ((game.options & OPTION_BLKHOLE) && Rand()>probf)
 157                         timwrp();
 158                     else
 159                         finish(FHOLE);
 160                     return;
 161                 default:
 162                     /* something else */
 163                     skip(1);
 164                     crmshp();
 165                     if (iquad == IHWEB)
 166                         proutn(_(" encounters Tholian web at "));
 167                     else
 168                         proutn(_(" blocked by object at "));
 169                     proutn(cramlc(sector, w));
 170                     prout(";");
 171                     proutn(_("Emergency stop required "));
 172                     prout(_("%2d units of energy."), (int)stopegy);
 173                     game.energy -= stopegy;
 174                     final.x = x-deltax+0.5;
 175                     final.y = y-deltay+0.5;
 176                     game.sector = final;
 177                     if (game.energy <= 0) {
 178                         finish(FNRG);
 179                         return;
 180                     }
 181                     break;
 182                 }
 183                 goto no_quad_change;    /* sorry! */
 184             }
 185         }
 186         game.dist = distance(game.sector, w) / (QUADSIZE * 1.0);
 187         game.sector = w;
 188     }
 189     final = game.sector;
 190 no_quad_change:
 191     /* No quadrant change -- compute new avg enemy distances */
 192     game.quad[game.sector.x][game.sector.y] = game.ship;
 193     if (game.nenhere) {
 194         for_local_enemies(m) {
 195             finald = distance(w, game.ks[m]);
 196             game.kavgd[m] = 0.5 * (finald+game.kdist[m]);
 197             game.kdist[m] = finald;
 198         }
 199         sortkl();
 200         if (!game.state.galaxy[game.quadrant.x][game.quadrant.y].supernova && game.iattak == 0)
 201             attack(0);
 202         for_local_enemies(m) game.kavgd[m] = game.kdist[m];
 203     }
 204     newcnd();
 205     game.iattak = 0;
 206     drawmaps(0);
 207     setwnd(message_window);
 208     return;
 209 }
 210
 211 void dock(bool verbose)
 212 /* dock our ship at a starbase */
 213 {
 214     chew();
 215     if (game.condition == docked && verbose) {
 216         prout(_("Already docked."));
 217         return;
 218     }
 219     if (game.inorbit) {
 220         prout(_("You must first leave standard orbit."));
 221         return;
 222     }
 223     if (game.base.x==0 || abs(game.sector.x-game.base.x) > 1 || abs(game.sector.y-game.base.y) > 1) {
 224         crmshp();
 225         prout(_(" not adjacent to base."));
 226         return;
 227     }
 228     game.condition = docked;
 229     if (verbose) prout(_("Docked."));
 230     game.ididit = true;
 231     if (game.energy < game.inenrg) game.energy = game.inenrg;
 232     game.shield = game.inshld;
 233     game.torps = game.intorps;
 234     game.lsupres = game.inlsr;
 235     game.state.crew = FULLCREW;
 236     if (!damaged(DRADIO) &&
 237         (is_scheduled(FCDBAS) || game.isatb == 1) && !game.iseenit) {
 238         /* get attack report from base */
 239         prout(_("Lt. Uhura- \"Captain, an important message from the starbase:\""));
 240         attakreport(false);
 241         game.iseenit = true;
 242     }
 243 }
 244
 245 /*
 246  * This program originally required input in terms of a (clock)
 247  * direction and distance. Somewhere in history, it was changed to
 248  * cartesian coordinates. So we need to convert. I think
 249  * "manual" input should still be done this way -- it's a real
 250  * pain if the computer isn't working! Manual mode is still confusing
 251  * because it involves giving x and y motions, yet the coordinates
 252  * are always displayed y - x, where +y is downward!
 253  */
 254
 255 static void getcd(bool isprobe, int akey)
 256 /* get course and distance */
 257 {
 258     int irowq=game.quadrant.x, icolq=game.quadrant.y, key=0;
 259     double xi, xj, xk, xl;
 260     double deltax, deltay;
 261     enum {unspecified, manual, automatic} navmode = unspecified;
 262     enum {curt, normal, verbose} itemp = curt;
 263     coord incr;
 264     bool iprompt = false;
 265
 266     /* Get course direction and distance. If user types bad values, return
 267        with DIREC = -1.0. */
 268
 269     game.direc = -1.0;
 270
 271     if (game.landed && !isprobe) {
 272         prout(_("Dummy! You can't leave standard orbit until you"));
 273         proutn(_("are back aboard the ship."));
 274         chew();
 275         return;
 276     }
 277     while (navmode == unspecified) {
 278         if (damaged(DNAVSYS)) {
 279             if (isprobe)
 280                 prout(_("Computer damaged; manual navigation only"));
 281             else
 282                 prout(_("Computer damaged; manual movement only"));
 283             chew();
 284             navmode = manual;
 285             key = IHEOL;
 286             break;
 287         }
 288         if (isprobe && akey != -1) {
 289             /* For probe launch, use pre-scanned value first time */
 290             key = akey;
 291             akey = -1;
 292         }
 293         else
 294             key = scan();
 295
 296         if (key == IHEOL) {
 297             proutn(_("Manual or automatic- "));
 298             iprompt = true;
 299             chew();
 300         }
 301         else if (key == IHALPHA) {
 302             if (isit("manual")) {
 303                 navmode = manual;
 304                 key = scan();
 305                 break;
 306             }
 307             else if (isit("automatic")) {
 308                 navmode = automatic;
 309                 key = scan();
 310                 break;
 311             }
 312             else {
 313                 huh();
 314                 chew();
 315                 return;
 316             }
 317         }
 318         else { /* numeric */
 319             if (isprobe)
 320                 prout(_("(Manual navigation assumed.)"));
 321             else
 322                 prout(_("(Manual movement assumed.)"));
 323             navmode = automatic;
 324             break;
 325         }
 326     }
 327
 328     if (navmode == automatic) {
 329         while (key == IHEOL) {
 330             if (isprobe)
 331                 proutn(_("Target quadrant or quadrant&sector- "));
 332             else
 333                 proutn(_("Destination sector or quadrant&sector- "));
 334             chew();
 335             iprompt = true;
 336             key = scan();
 337         }
 338
 339         if (key != IHREAL) {
 340             huh();
 341             return;
 342         }
 343         xi = aaitem;
 344         key = scan();
 345         if (key != IHREAL){
 346             huh();
 347             return;
 348         }
 349         xj = aaitem;
 350         key = scan();
 351         if (key == IHREAL) {
 352             /* both quadrant and sector specified */
 353             xk = aaitem;
 354             key = scan();
 355             if (key != IHREAL) {
 356                 huh();
 357                 return;
 358             }
 359             xl = aaitem;
 360
 361             irowq = xi + 0.5;
 362             icolq = xj + 0.5;
 363             incr.y = xk + 0.5;
 364             incr.x = xl + 0.5;
 365         }
 366         else {
 367             if (isprobe) {
 368                 /* only quadrant specified -- go to center of dest quad */
 369                 irowq = xi + 0.5;
 370                 icolq = xj + 0.5;
 371                 incr.y = incr.x = 5;
 372             }
 373             else {
 374                 incr.y = xi + 0.5;
 375                 incr.x = xj + 0.5;
 376             }
 377             itemp = normal;
 378         }
 379         if (!VALID_QUADRANT(icolq,irowq)||!VALID_SECTOR(incr.x,incr.y)) {
 380             huh();
 381             return;
 382         }
 383         skip(1);
 384         if (!isprobe) {
 385             if (itemp > curt) {
 386                 if (iprompt) {
 387                     prout(_("Helmsman Sulu- \"Course locked in for %s.\""),
 388                           cramlc(sector, incr));
 389                 }
 390             }
 391             else prout(_("Ensign Chekov- \"Course laid in, Captain.\""));
 392         }
 393         deltax = icolq - game.quadrant.y + 0.1*(incr.x-game.sector.y);
 394         deltay = game.quadrant.x - irowq + 0.1*(game.sector.x-incr.y);
 395     }
 396     else { /* manual */
 397         while (key == IHEOL) {
 398             proutn(_("X and Y displacements- "));
 399             chew();
 400             iprompt = true;
 401             key = scan();
 402         }
 403         itemp = verbose;
 404         if (key != IHREAL) {
 405             huh();
 406             return;
 407         }
 408         deltax = aaitem;
 409         key = scan();
 410         if (key != IHREAL) {
 411             huh();
 412             return;
 413         }
 414         deltay = aaitem;
 415     }
 416     /* Check for zero movement */
 417     if (deltax == 0 && deltay == 0) {
 418         chew();
 419         return;
 420     }
 421     if (itemp == verbose && !isprobe) {
 422         skip(1);
 423         prout(_("Helmsman Sulu- \"Aye, Sir.\""));
 424     }
 425     game.dist = sqrt(deltax*deltax + deltay*deltay);
 426     game.direc = atan2(deltax, deltay)*1.90985932;
 427     if (game.direc < 0.0) game.direc += 12.0;
 428     chew();
 429     return;
 430 }
 431
 432
 433
 434 void impuls(void)
 435 /* move under impulse power */
 436 {
 437     double power;
 438
 439     game.ididit = false;
 440     if (damaged(DIMPULS)) {
 441         chew();
 442         skip(1);
 443         prout(_("Engineer Scott- \"The impulse engines are damaged, Sir.\""));
 444         return;
 445     }
 446
 447     if (game.energy > 30.0) {
 448         getcd(false, 0);
 449         if (game.direc == -1.0) return;
 450         power = 20.0 + 100.0*game.dist;
 451     }
 452     else
 453         power = 30.0;
 454
 455     if (power >= game.energy) {
 456         /* Insufficient power for trip */
 457         skip(1);
 458         prout(_("First Officer Spock- \"Captain, the impulse engines"));
 459         prout(_("require 20.0 units to engage, plus 100.0 units per"));
 460         if (game.energy > 30) {
 461             proutn(_("quadrant.  We can go, therefore, a maximum of %d"),
 462                    (int)(0.01 * (game.energy-20.0)-0.05));
 463             prout(_(" quadrants.\""));
 464         }
 465         else {
 466             prout(_("quadrant.  They are, therefore, useless.\""));
 467         }
 468         chew();
 469         return;
 470     }
 471     /* Make sure enough time is left for the trip */
 472     game.optime = game.dist/0.095;
 473     if (game.optime >= game.state.remtime) {
 474         prout(_("First Officer Spock- \"Captain, our speed under impulse"));
 475         prout(_("power is only 0.95 sectors per stardate. Are you sure"));
 476         proutn(_("we dare spend the time?\" "));
 477         if (ja() == false) return;
 478     }
 479     /* Activate impulse engines and pay the cost */
 480     imove();
 481     game.ididit = true;
 482     if (game.alldone) return;
 483     power = 20.0 + 100.0*game.dist;
 484     game.energy -= power;
 485     game.optime = game.dist/0.095;
 486     if (game.energy <= 0) finish(FNRG);
 487     return;
 488 }
 489
 490
 491 void warp(bool timewarp)
 492 /* move under warp drive */
 493 {
 494     int iwarp;
 495     bool blooey = false, twarp = false;
 496     double power;
 497
 498     if (!timewarp) { /* Not WARPX entry */
 499         game.ididit = false;
 500         if (game.damage[DWARPEN] > 10.0) {
 501             chew();
 502             skip(1);
 503             prout(_("Engineer Scott- \"The impulse engines are damaged, Sir.\""));
 504             return;
 505         }
 506         if (damaged(DWARPEN) && game.warpfac > 4.0) {
 507             chew();
 508             skip(1);
 509             prout(_("Engineer Scott- \"Sorry, Captain. Until this damage"));
 510             prout(_("  is repaired, I can only give you warp 4.\""));
 511             return;
 512         }
 513
 514         /* Read in course and distance */
 515         getcd(false, 0);
 516         if (game.direc == -1.0) return;
 517
 518         /* Make sure starship has enough energy for the trip */
 519         power = (game.dist+0.05)*game.warpfac*game.warpfac*game.warpfac*(game.shldup+1);
 520
 521
 522         if (power >= game.energy) {
 523             /* Insufficient power for trip */
 524             game.ididit = false;
 525             skip(1);
 526             prout(_("Engineering to bridge--"));
 527             if (!game.shldup || 0.5*power > game.energy) {
 528                 iwarp = pow((game.energy/(game.dist+0.05)), 0.333333333);
 529                 if (iwarp <= 0) {
 530                     prout(_("We can't do it, Captain. We don't have enough energy."));
 531                 }
 532                 else {
 533                     proutn(_("We don't have enough energy, but we could do it at warp %d"), iwarp);
 534                     if (game.shldup) {
 535                         prout(",");
 536                         prout(_("if you'll lower the shields."));
 537                     }
 538                     else
 539                         prout(".");
 540                 }
 541             }
 542             else
 543                 prout(_("We haven't the energy to go that far with the shields up."));
 544             return;
 545         }
 546
 547         /* Make sure enough time is left for the trip */
 548         game.optime = 10.0*game.dist/game.wfacsq;
 549         if (game.optime >= 0.8*game.state.remtime) {
 550             skip(1);
 551             prout(_("First Officer Spock- \"Captain, I compute that such"));
 552             proutn(_("  a trip would require approximately %2.0f"),
 553                    100.0*game.optime/game.state.remtime);
 554             prout(_(" percent of our"));
 555             proutn(_("  remaining time.  Are you sure this is wise?\" "));
 556             if (ja() == false) { game.ididit = false; game.optime=0; return;}
 557         }
 558     }
 559     /* Entry WARPX */
 560     if (game.warpfac > 6.0) {
 561         /* Decide if engine damage will occur */
 562         double prob = game.dist*(6.0-game.warpfac)*(6.0-game.warpfac)/66.666666666;
 563         if (prob > Rand()) {
 564             blooey = true;
 565             game.dist = Rand()*game.dist;
 566         }
 567         /* Decide if time warp will occur */
 568         if (0.5*game.dist*pow(7.0,game.warpfac-10.0) > Rand()) twarp = true;
 569         if (idebug && game.warpfac==10 && !twarp) {
 570             blooey = false;
 571             proutn("=== Force time warp? ");
 572             if (ja() == true) twarp = true;
 573         }
 574         if (blooey || twarp) {
 575             /* If time warp or engine damage, check path */
 576             /* If it is obstructed, don't do warp or damage */
 577             double angle = ((15.0-game.direc)*0.5235998);
 578             double deltax = -sin(angle);
 579             double deltay = cos(angle);
 580             double bigger, x, y;
 581             int n, l, ix, iy;
 582             if (fabs(deltax) > fabs(deltay))
 583                 bigger = fabs(deltax);
 584             else
 585                 bigger = fabs(deltay);
 586
 587             deltax /= bigger;
 588             deltay /= bigger;
 589             n = 10.0 * game.dist * bigger +0.5;
 590             x = game.sector.x;
 591             y = game.sector.y;
 592             for (l = 1; l <= n; l++) {
 593                 x += deltax;
 594                 ix = x + 0.5;
 595                 y += deltay;
 596                 iy = y +0.5;
 597                 if (!VALID_SECTOR(ix, iy)) break;
 598                 if (game.quad[ix][iy] != IHDOT) {
 599                     blooey = false;
 600                     twarp = false;
 601                 }
 602             }
 603         }
 604     }
 605
 606
 607     /* Activate Warp Engines and pay the cost */
 608     imove();
 609     if (game.alldone) return;
 610     game.energy -= game.dist*game.warpfac*game.warpfac*game.warpfac*(game.shldup+1);
 611     if (game.energy <= 0) finish(FNRG);
 612     game.optime = 10.0*game.dist/game.wfacsq;
 613     if (twarp) timwrp();
 614     if (blooey) {
 615         game.damage[DWARPEN] = game.damfac*(3.0*Rand()+1.0);
 616         skip(1);
 617         prout(_("Engineering to bridge--"));
 618         prout(_("  Scott here.  The warp engines are damaged."));
 619         prout(_("  We'll have to reduce speed to warp 4."));
 620     }
 621     game.ididit = true;
 622     return;
 623 }
 624
 625
 626
 627 void setwrp(void)
 628 /* change the warp factor */
 629 {
 630     int key;
 631     double oldfac;
 632
 633     while ((key=scan()) == IHEOL) {
 634         chew();
 635         proutn(_("Warp factor- "));
 636     }
 637     chew();
 638     if (key != IHREAL) {
 639         huh();
 640         return;
 641     }
 642     if (game.damage[DWARPEN] > 10.0) {
 643         prout(_("Warp engines inoperative."));
 644         return;
 645     }
 646     if (damaged(DWARPEN) && aaitem > 4.0) {
 647         prout(_("Engineer Scott- \"I'm doing my best, Captain,"));
 648         prout(_("  but right now we can only go warp 4.\""));
 649         return;
 650     }
 651     if (aaitem > 10.0) {
 652         prout(_("Helmsman Sulu- \"Our top speed is warp 10, Captain.\""));
 653         return;
 654     }
 655     if (aaitem < 1.0) {
 656         prout(_("Helmsman Sulu- \"We can't go below warp 1, Captain.\""));
 657         return;
 658     }
 659     oldfac = game.warpfac;
 660     game.warpfac = aaitem;
 661     game.wfacsq=game.warpfac*game.warpfac;
 662     if (game.warpfac <= oldfac || game.warpfac <= 6.0) {
 663         prout(_("Helmsman Sulu- \"Warp factor %d, Captain.\""),
 664                (int)game.warpfac);
 665         return;
 666     }
 667     if (game.warpfac < 8.00) {
 668         prout(_("Engineer Scott- \"Aye, but our maximum safe speed is warp 6.\""));
 669         return;
 670     }
 671     if (game.warpfac == 10.0) {
 672         prout(_("Engineer Scott- \"Aye, Captain, we'll try it.\""));
 673         return;
 674     }
 675     prout(_("Engineer Scott- \"Aye, Captain, but our engines may not take it.\""));
 676     return;
 677 }
 678
 679 void atover(bool igrab)
 680 /* cope with being tossed out of quadrant by supernova or yanked by beam */
 681 {
 682     double power, distreq;
 683
 684     chew();
 685     /* is captain on planet? */
 686     if (game.landed) {
 687         if (damaged(DTRANSP)) {
 688             finish(FPNOVA);
 689             return;
 690         }
 691         prout(_("Scotty rushes to the transporter controls."));
 692         if (game.shldup) {
 693             prout(_("But with the shields up it's hopeless."));
 694             finish(FPNOVA);
 695         }
 696         prouts(_("His desperate attempt to rescue you . . ."));
 697         if (Rand() <= 0.5) {
 698             prout(_("fails."));
 699             finish(FPNOVA);
 700             return;
 701         }
 702         prout(_("SUCCEEDS!"));
 703         if (game.imine) {
 704             game.imine = false;
 705             proutn(_("The crystals mined were "));
 706             if (Rand() <= 0.25) {
 707                 prout(_("lost."));
 708             }
 709             else {
 710                 prout(_("saved."));
 711                 game.icrystl = true;
 712             }
 713         }
 714     }
 715     if (igrab) return;
 716
 717     /* Check to see if captain in shuttle craft */
 718     if (game.icraft) finish(FSTRACTOR);
 719     if (game.alldone) return;
 720
 721     /* Inform captain of attempt to reach safety */
 722     skip(1);
 723     do {
 724         if (game.justin) {
 725             prouts(_("***RED ALERT!  RED ALERT!"));
 726             skip(1);
 727             proutn(_("The "));
 728             crmshp();
 729             prout(_(" has stopped in a quadrant containing"));
 730             prouts(_("   a supernova."));
 731             skip(2);
 732         }
 733         proutn(_("***Emergency automatic override attempts to hurl "));
 734         crmshp();
 735         skip(1);
 736         prout(_("safely out of quadrant."));
 737         if (!damaged(DRADIO))
 738             game.state.galaxy[game.quadrant.x][game.quadrant.y].charted = true;
 739         /* Try to use warp engines */
 740         if (damaged(DWARPEN)) {
 741             skip(1);
 742             prout(_("Warp engines damaged."));
 743             finish(FSNOVAED);
 744             return;
 745         }
 746         game.warpfac = 6.0+2.0*Rand();
 747         game.wfacsq = game.warpfac * game.warpfac;
 748         prout(_("Warp factor set to %d"), (int)game.warpfac);
 749         power = 0.75*game.energy;
 750         game.dist = power/(game.warpfac*game.warpfac*game.warpfac*(game.shldup+1));
 751         distreq = 1.4142+Rand();
 752         if (distreq < game.dist) game.dist = distreq;
 753         game.optime = 10.0*game.dist/game.wfacsq;
 754         game.direc = 12.0*Rand();       /* How dumb! */
 755         game.justin = false;
 756         game.inorbit = false;
 757         warp(true);
 758         if (!game.justin) {
 759             /* This is bad news, we didn't leave quadrant. */
 760             if (game.alldone) return;
 761             skip(1);
 762             prout(_("Insufficient energy to leave quadrant."));
 763             finish(FSNOVAED);
 764             return;
 765         }
 766     } while
 767         /* Repeat if another snova */
 768         (game.state.galaxy[game.quadrant.x][game.quadrant.y].supernova);
 769     if (KLINGREM==0)
 770         finish(FWON); /* Snova killed remaining enemy. */
 771 }
 772
 773 void timwrp()
 774 /* let's do the time warp again */
 775 {
 776     int l;
 777     bool gotit;
 778     prout(_("***TIME WARP ENTERED."));
 779     if (game.state.snap && Rand() < 0.5) {
 780         /* Go back in time */
 781         prout(_("You are traveling backwards in time %d stardates."),
 782               (int)(game.state.date-game.snapsht.date));
 783         game.state = game.snapsht;
 784         game.state.snap = false;
 785         if (game.state.remcom) {
 786             schedule(FTBEAM, expran(game.intime/game.state.remcom));
 787             schedule(FBATTAK, expran(0.3*game.intime));
 788         }
 789         schedule(FSNOVA, expran(0.5*game.intime));
 790         /* next snapshot will be sooner */
 791         schedule(FSNAP, expran(0.25*game.state.remtime));
 792
 793         if (game.state.nscrem) schedule(FSCMOVE, 0.2777);
 794         game.isatb = 0;
 795         unschedule(FCDBAS);
 796         unschedule(FSCDBAS);
 797         game.battle.x = game.battle.y = 0;
 798
 799         /* Make sure Galileo is consistant -- Snapshot may have been taken
 800            when on planet, which would give us two Galileos! */
 801         gotit = false;
 802         for (l = 0; l < game.inplan; l++) {
 803             if (game.state.plnets[l].known == shuttle_down) {
 804                 gotit = true;
 805                 if (game.iscraft == onship && game.ship==IHE) {
 806                     prout(_("Checkov-  \"Security reports the Galileo has disappeared, Sir!"));
 807                     game.iscraft = offship;
 808                 }
 809             }
 810         }
 811         /* Likewise, if in the original time the Galileo was abandoned, but
 812            was on ship earlier, it would have vanished -- lets restore it */
 813         if (game.iscraft == offship && !gotit && game.damage[DSHUTTL] >= 0.0) {
 814             prout(_("Checkov-  \"Security reports the Galileo has reappeared in the dock!\""));
 815             game.iscraft = onship;
 816         }
 817         /*
 818          * There used to be code to do the actual reconstrction here,
 819          * but the starchart is now part of the snapshotted galaxy state.
 820          */
 821         prout(_("Spock has reconstructed a correct star chart from memory"));
 822     }
 823     else {
 824         /* Go forward in time */
 825         game.optime = -0.5*game.intime*log(Rand());
 826         prout(_("You are traveling forward in time %d stardates."), (int)game.optime);
 827         /* cheat to make sure no tractor beams occur during time warp */
 828         postpone(FTBEAM, game.optime);
 829         game.damage[DRADIO] += game.optime;
 830     }
 831     newqad(false);
 832     events();   /* Stas Sergeev added this -- do pending events */
 833 }
 834
 835 void probe(void)
 836 /* launch deep-space probe */
 837 {
 838     double angle, bigger;
 839     int key;
 840     /* New code to launch a deep space probe */
 841     if (game.nprobes == 0) {
 842         chew();
 843         skip(1);
 844         if (game.ship == IHE)
 845             prout(_("Engineer Scott- \"We have no more deep space probes, Sir.\""));
 846         else
 847             prout(_("Ye Faerie Queene has no deep space probes."));
 848         return;
 849     }
 850     if (damaged(DDSP)) {
 851         chew();
 852         skip(1);
 853         prout(_("Engineer Scott- \"The probe launcher is damaged, Sir.\""));
 854         return;
 855     }
 856     if (is_scheduled(FDSPROB)) {
 857         chew();
 858         skip(1);
 859         if (damaged(DRADIO) && game.condition != docked) {
 860             prout(_("Spock-  \"Records show the previous probe has not yet"));
 861             prout(_("   reached its destination.\""));
 862         }
 863         else
 864             prout(_("Uhura- \"The previous probe is still reporting data, Sir.\""));
 865         return;
 866     }
 867     key = scan();
 868
 869     if (key == IHEOL) {
 870         /* slow mode, so let Kirk know how many probes there are left */
 871         prout(game.nprobes==1 ? _("%d probe left.") : _("%d probes left."), game.nprobes);
 872         proutn(_("Are you sure you want to fire a probe? "));
 873         if (ja() == false) return;
 874     }
 875
 876     game.isarmed = false;
 877     if (key == IHALPHA && strcmp(citem,"armed") == 0) {
 878         game.isarmed = true;
 879         key = scan();
 880     }
 881     else if (key == IHEOL) {
 882         proutn(_("Arm NOVAMAX warhead? "));
 883         game.isarmed = ja();
 884     }
 885     getcd(true, key);
 886     if (game.direc == -1.0) return;
 887     game.nprobes--;
 888     angle = ((15.0 - game.direc) * 0.5235988);
 889     game.probeinx = -sin(angle);
 890     game.probeiny = cos(angle);
 891     if (fabs(game.probeinx) > fabs(game.probeiny))
 892         bigger = fabs(game.probeinx);
 893     else
 894         bigger = fabs(game.probeiny);
 895
 896     game.probeiny /= bigger;
 897     game.probeinx /= bigger;
 898     game.proben = 10.0*game.dist*bigger +0.5;
 899     game.probex = game.quadrant.x*QUADSIZE + game.sector.x - 1; // We will use better packing than original
 900     game.probey = game.quadrant.y*QUADSIZE + game.sector.y - 1;
 901     game.probec = game.quadrant;
 902     schedule(FDSPROB, 0.01); // Time to move one sector
 903     prout(_("Ensign Chekov-  \"The deep space probe is launched, Captain.\""));
 904     game.ididit = true;
 905     return;
 906 }
 907
 908 /*
 909  *      Here's how the mayday code works:
 910  *
 911  *      First, the closest starbase is selected.  If there is a
 912  *      a starbase in your own quadrant, you are in good shape.
 913  *      This distance takes quadrant distances into account only.
 914  *
 915  *      A magic number is computed based on the distance which acts
 916  *      as the probability that you will be rematerialized.  You
 917  *      get three tries.
 918  *
 919  *      When it is determined that you should be able to be remater-
 920  *      ialized (i.e., when the probability thing mentioned above
 921  *      comes up positive), you are put into that quadrant (anywhere).
 922  *      Then, we try to see if there is a spot adjacent to the star-
 923  *      base.  If not, you can't be rematerialized!!!  Otherwise,
 924  *      it drops you there.  It only tries five times to find a spot
 925  *      to drop you.  After that, it's your problem.
 926  */
 927
 928 void mayday(void)
 929 /* yell for help from nearest starbase */
 930 {
 931     /* There's more than one way to move in this game! */
 932     double ddist, xdist, probf;
 933     int line = 0, m, ix, iy;
 934
 935     chew();
 936     /* Test for conditions which prevent calling for help */
 937     if (game.condition == docked) {
 938         prout(_("Lt. Uhura-  \"But Captain, we're already docked.\""));
 939         return;
 940     }
 941     if (damaged(DRADIO)) {
 942         prout(_("Subspace radio damaged."));
 943         return;
 944     }
 945     if (game.state.rembase==0) {
 946         prout(_("Lt. Uhura-  \"Captain, I'm not getting any response from Starbase.\""));
 947         return;
 948     }
 949     if (game.landed) {
 950         proutn(_("You must be aboard the "));
 951         crmshp();
 952         prout(".");
 953         return;
 954     }
 955     /* OK -- call for help from nearest starbase */
 956     game.nhelp++;
 957     if (game.base.x!=0) {
 958         /* There's one in this quadrant */
 959         ddist = distance(game.base, game.sector);
 960     }
 961     else {
 962         ddist = FOREVER;
 963         for_starbases(m) {
 964             xdist = QUADSIZE * distance(game.state.baseq[m], game.quadrant);
 965             if (xdist < ddist) {
 966                 ddist = xdist;
 967                 line = m;
 968             }
 969         }
 970         /* Since starbase not in quadrant, set up new quadrant */
 971         game.quadrant = game.state.baseq[line];
 972         newqad(true);
 973     }
 974     /* dematerialize starship */
 975     game.quad[game.sector.x][game.sector.y]=IHDOT;
 976     proutn(_("Starbase in %s responds--"), cramlc(quadrant, game.quadrant));
 977     proutn("");
 978     crmshp();
 979     prout(_(" dematerializes."));
 980     game.sector.x=0;
 981     for (m = 1; m <= 5; m++) {
 982         ix = game.base.x+3.0*Rand()-1;
 983         iy = game.base.y+3.0*Rand()-1;
 984         if (VALID_SECTOR(ix,iy) && game.quad[ix][iy]==IHDOT) {
 985             /* found one -- finish up */
 986             game.sector.x=ix;
 987             game.sector.y=iy;
 988             break;
 989         }
 990     }
 991     if (game.sector.x==0){
 992         prout(_("You have been lost in space..."));
 993         finish(FMATERIALIZE);
 994         return;
 995     }
 996     /* Give starbase three chances to rematerialize starship */
 997     probf = pow((1.0 - pow(0.98,ddist)), 0.33333333);
 998     for (m = 1; m <= 3; m++) {
 999         switch (m) {
1000         case 1: proutn(_("1st")); break;
1001         case 2: proutn(_("2nd")); break;
1002         case 3: proutn(_("3rd")); break;
1003         }
1004         proutn(_(" attempt to re-materialize "));
1005         crmshp();
1006         switch (m){
1007         case 1: game.quad[ix][iy]=IHMATER0;
1008             break;
1009         case 2: game.quad[ix][iy]=IHMATER1;
1010             break;
1011         case 3: game.quad[ix][iy]=IHMATER2;
1012             break;
1013         }
1014         textcolor(RED);
1015         warble();
1016         if (Rand() > probf) break;
1017         prout(_("fails."));
1018         delay(500);
1019         textcolor(DEFAULT);
1020     }
1021     if (m > 3) {
1022         game.quad[ix][iy]=IHQUEST;
1023         game.alive = false;
1024         drawmaps(1);
1025         setwnd(message_window);
1026         finish(FMATERIALIZE);
1027         return;
1028     }
1029     game.quad[ix][iy]=game.ship;
1030     textcolor(GREEN);
1031     prout(_("succeeds."));
1032     textcolor(DEFAULT);
1033     dock(false);
1034     skip(1);
1035     prout(_("Lt. Uhura-  \"Captain, we made it!\""));
1036 }
1037
1038 /*
1039 **  Abandon Ship
1040 **
1041 **      The ship is abandoned.  If your current ship is the Faire
1042 **      Queene, or if your shuttlecraft is dead, you're out of
1043 **      luck.  You need the shuttlecraft in order for the captain
1044 **      (that's you!!) to escape.
1045 **
1046 **      Your crew can beam to an inhabited starsystem in the
1047 **      quadrant, if there is one and if the transporter is working.
1048 **      If there is no inhabited starsystem, or if the transporter
1049 **      is out, they are left to die in outer space.
1050 **
1051 **      If there are no starbases left, you are captured by the
1052 **      Klingons, who torture you mercilessly.  However, if there
1053 **      is at least one starbase, you are returned to the
1054 **      Federation in a prisoner of war exchange.  Of course, this
1055 **      can't happen unless you have taken some prisoners.
1056 **
1057 */
1058
1059 void abandn(void)
1060 /* abandon ship */
1061 {
1062     int nb, l;
1063     struct quadrant *q;
1064
1065     chew();
1066     if (game.condition==docked) {
1067         if (game.ship!=IHE) {
1068             prout(_("You cannot abandon Ye Faerie Queene."));
1069             return;
1070         }
1071     }
1072     else {
1073         /* Must take shuttle craft to exit */
1074         if (game.damage[DSHUTTL]==-1) {
1075             prout(_("Ye Faerie Queene has no shuttle craft."));
1076             return;
1077         }
1078         if (game.damage[DSHUTTL]<0) {
1079             prout(_("Shuttle craft now serving Big Macs."));
1080             return;
1081         }
1082         if (game.damage[DSHUTTL]>0) {
1083             prout(_("Shuttle craft damaged."));
1084             return;
1085         }
1086         if (game.landed) {
1087             prout(_("You must be aboard the Enterprise."));
1088             return;
1089         }
1090         if (game.iscraft != onship) {
1091             prout(_("Shuttle craft not currently available."));
1092             return;
1093         }
1094         /* Print abandon ship messages */
1095         skip(1);
1096         prouts(_("***ABANDON SHIP!  ABANDON SHIP!"));
1097         skip(1);
1098         prouts(_("***ALL HANDS ABANDON SHIP!"));
1099         skip(2);
1100         prout(_("Captain and crew escape in shuttle craft."));
1101         if (game.state.rembase==0) {
1102             /* Oops! no place to go... */
1103             finish(FABANDN);
1104             return;
1105         }
1106         q = &game.state.galaxy[game.quadrant.x][game.quadrant.y];
1107         /* Dispose of crew */
1108         if (!(game.options & OPTION_WORLDS) && !damaged(DTRANSP)) {
1109             prout(_("Remainder of ship's complement beam down"));
1110             prout(_("to nearest habitable planet."));
1111         } else if (q->planet != NOPLANET && !damaged(DTRANSP)) {
1112             prout(_("Remainder of ship's complement beam down"));
1113             prout(_("to %s."), systnames[q->planet]);
1114         } else {
1115             prout(_("Entire crew of %d left to die in outer space."));
1116             game.casual += game.state.crew;
1117             game.abandoned += game.state.crew;
1118         }
1119
1120         /* If at least one base left, give 'em the Faerie Queene */
1121         skip(1);
1122         game.icrystl = false; /* crystals are lost */
1123         game.nprobes = 0; /* No probes */
1124         prout(_("You are captured by Klingons and released to"));
1125         prout(_("the Federation in a prisoner-of-war exchange."));
1126         nb = Rand()*game.state.rembase+1;
1127         /* Set up quadrant and position FQ adjacient to base */
1128         if (!same(game.quadrant, game.state.baseq[nb])) {
1129             game.quadrant = game.state.baseq[nb];
1130             game.sector.x = game.sector.y = 5;
1131             newqad(true);
1132         }
1133         for (;;) {
1134             /* position next to base by trial and error */
1135             game.quad[game.sector.x][game.sector.y] = IHDOT;
1136             for_sectors(l) {
1137                 game.sector.x = 3.0*Rand() - 1.0 + game.base.x;
1138                 game.sector.y = 3.0*Rand() - 1.0 + game.base.y;
1139                 if (VALID_SECTOR(game.sector.x, game.sector.y) &&
1140                     game.quad[game.sector.x][game.sector.y] == IHDOT) break;
1141             }
1142             if (l < QUADSIZE+1) break; /* found a spot */
1143             game.sector.x=QUADSIZE/2;
1144             game.sector.y=QUADSIZE/2;
1145             newqad(true);
1146         }
1147     }
1148     /* Get new commission */
1149     game.quad[game.sector.x][game.sector.y] = game.ship = IHF;
1150     game.state.crew = FULLCREW;
1151     prout(_("Starfleet puts you in command of another ship,"));
1152     prout(_("the Faerie Queene, which is antiquated but,"));
1153     prout(_("still useable."));
1154     if (game.icrystl) prout(_("The dilithium crystals have been moved."));
1155     game.imine = false;
1156     game.iscraft = offship; /* Galileo disappears */
1157     /* Resupply ship */
1158     game.condition=docked;
1159     for (l = 0; l < NDEVICES; l++)
1160         game.damage[l] = 0.0;
1161     game.damage[DSHUTTL] = -1;
1162     game.energy = game.inenrg = 3000.0;
1163     game.shield = game.inshld = 1250.0;
1164     game.torps = game.intorps = 6;
1165     game.lsupres=game.inlsr=3.0;
1166     game.shldup=false;
1167     game.warpfac=5.0;
1168     game.wfacsq=25.0;
1169     return;
1170 }