setup.c

   1 #include <time.h>
   2 #include <sys/stat.h>
   3 #include "conio.h"
   4 #include "sst.h"
   5
   6 #ifdef __linux__
   7 static long filelength(int fd) {
   8 struct stat buf;
   9     fstat(fd, &buf);
  10     return buf.st_size;
  11 }
  12 #endif
  13
  14 void prelim(void) {
  15         skip(2);
  16         prout("-SUPER- STAR TREK");
  17         skip(1);
  18 #ifndef __HISTORICAL__
  19         prout("Latest update-21 Sept 78");
  20         skip(1);
  21 #endif /* __HISTORICAL__ */
  22 }
  23
  24 void freeze(int boss) {
  25         FILE *fp;
  26         int key;
  27         if (boss) {
  28                 strcpy(citem, "emsave.trk");
  29         }
  30         else {
  31                 if ((key = scan()) == IHEOL) {
  32                         proutn("File name: ");
  33                         key = scan();
  34                 }
  35                 if (key != IHALPHA) {
  36                         huh();
  37                         return;
  38                 }
  39                 chew();
  40                 if (strchr(citem, '.') == NULL) {
  41                         strcat(citem, ".trk");
  42                 }
  43         }
  44         if ((fp = fopen(citem, "wb")) == NULL) {
  45                 proutn("Can't freeze game as file ");
  46                 proutn(citem);
  47                 skip(1);
  48                 return;
  49         }
  50         strcpy(game.magic, SSTMAGIC);
  51         fwrite(&game, sizeof(game), 1, fp);
  52
  53         fclose(fp);
  54
  55         /* I hope that's enough! */
  56 }
  57
  58
  59 int thaw(void) {
  60         FILE *fp;
  61         int key;
  62
  63         game.passwd[0] = '\0';
  64         if ((key = scan()) == IHEOL) {
  65                 proutn("File name: ");
  66                 key = scan();
  67         }
  68         if (key != IHALPHA) {
  69                 huh();
  70                 return 1;
  71         }
  72         chew();
  73         if (strchr(citem, '.') == NULL) {
  74                 strcat(citem, ".trk");
  75         }
  76         if ((fp = fopen(citem, "rb")) == NULL) {
  77                 proutn("Can't find game file ");
  78                 proutn(citem);
  79                 skip(1);
  80                 return 1;
  81         }
  82         fread(&game, sizeof(game), 1, fp);
  83         if (feof(fp) || ftell(fp) != filelength(fileno(fp)) || strcmp(game.magic, SSTMAGIC)) {
  84                 prout("Game file format is bad, should begin with " SSTMAGIC);
  85                 skip(1);
  86                 fclose(fp);
  87                 return 1;
  88         }
  89
  90         fclose(fp);
  91
  92         return 0;
  93 }
  94
  95 void abandn(void) {
  96         int nb, l;
  97
  98         chew();
  99         if (condit==IHDOCKED) {
 100                 if (ship!=IHE) {
 101                         prout("You cannot abandon Ye Faerie Queene.");
 102                         return;
 103                 }
 104         }
 105         else {
 106                 /* Must take shuttle craft to exit */
 107                 if (game.damage[DSHUTTL]==-1) {
 108                         prout("Ye Faerie Queene has no shuttle craft.");
 109                         return;
 110                 }
 111                 if (game.damage[DSHUTTL]<0) {
 112                         prout("Shuttle craft now serving Big Mac's.");
 113                         return;
 114                 }
 115                 if (game.damage[DSHUTTL]>0) {
 116                         prout("Shuttle craft damaged.");
 117                         return;
 118                 }
 119                 if (landed==1) {
 120                         prout("You must be aboard the Enterprise.");
 121                         return;
 122                 }
 123                 if (iscraft!=1) {
 124                         prout("Shuttle craft not currently available.");
 125                         return;
 126                 }
 127                 /* Print abandon ship messages */
 128                 skip(1);
 129                 prouts("***ABANDON SHIP!  ABANDON SHIP!");
 130                 skip(1);
 131                 prouts("***ALL HANDS ABANDON SHIP!");
 132                 skip(2);
 133                 prout("Captain and crew escape in shuttle craft.");
 134                 prout("Remainder of ship's complement beam down");
 135                 prout("to nearest habitable planet.");
 136                 if (game.state.rembase==0) {
 137                         /* Ops! no place to go... */
 138                         finish(FABANDN);
 139                         return;
 140                 }
 141                 /* If at least one base left, give 'em the Faerie Queene */
 142                 skip(1);
 143                 icrystl = 0; /* crystals are lost */
 144                 nprobes = 0; /* No probes */
 145                 prout("You are captured by Klingons and released to");
 146                 prout("the Federation in a prisoner-of-war exchange.");
 147                 nb = Rand()*game.state.rembase+1;
 148                 /* Set up quadrant and position FQ adjacient to base */
 149                 if (quadx!=game.state.baseqx[nb] || quady!=game.state.baseqy[nb]) {
 150                         quadx = game.state.baseqx[nb];
 151                         quady = game.state.baseqy[nb];
 152                         sectx = secty = 5;
 153                         newqad(1);
 154                 }
 155                 for (;;) {
 156                         /* position next to base by trial and error */
 157                         game.quad[sectx][secty] = IHDOT;
 158                         for (l = 1; l <= 10; l++) {
 159                                 sectx = 3.0*Rand() - 1.0 + basex;
 160                                 secty = 3.0*Rand() - 1.0 + basey;
 161                                 if (sectx >= 1 && sectx <= 10 &&
 162                                         secty >= 1 && secty <= 10 &&
 163                                         game.quad[sectx][secty] == IHDOT) break;
 164                         }
 165                         if (l < 11) break; /* found a spot */
 166                         sectx=5;
 167                         secty=5;
 168                         newqad(1);
 169                 }
 170         }
 171         /* Get new commission */
 172         game.quad[sectx][secty] = ship = IHF;
 173         prout("Starfleet puts you in command of another ship,");
 174         prout("the Faerie Queene, which is antiquated but,");
 175         prout("still useable.");
 176         if (icrystl!=0) prout("The dilithium crystals have been moved.");
 177         imine=0;
 178         iscraft=0; /* Gallileo disappears */
 179         /* Resupply ship */
 180         condit=IHDOCKED;
 181         for (l = 1; l <= NDEVICES; l++) game.damage[l] = 0.0;
 182         game.damage[DSHUTTL] = -1;
 183         energy = inenrg = 3000.0;
 184         shield = inshld = 1250.0;
 185         torps = intorps = 6;
 186         lsupres=inlsr=3.0;
 187         shldup=0;
 188         warpfac=5.0;
 189         wfacsq=25.0;
 190         return;
 191 }
 192
 193 void setup(int needprompt) {
 194         int i,j, krem, klumper;
 195         int ix, iy;
 196 #ifdef DEBUG
 197         idebug = 0;
 198 #endif
 199         //  Decide how many of everything
 200         if (choose(needprompt)) return; // frozen game
 201         // Prepare the Enterprise
 202         alldone = gamewon = 0;
 203         ship = IHE;
 204         energy = inenrg = 5000.0;
 205         shield = inshld = 2500.0;
 206         shldchg = shldup = 0;
 207         inlsr = 4.0;
 208         lsupres = 4.0;
 209         iran8(&quadx, &quady);
 210         iran10(&sectx, &secty);
 211         torps = intorps = 10;
 212         nprobes = (int)(3.0*Rand() + 2.0);      /* Give them 2-4 of these wonders */
 213         warpfac = 5.0;
 214         wfacsq = warpfac * warpfac;
 215         for (i=0; i <= NDEVICES; i++) game.damage[i] = 0.0;
 216         // Set up assorted game parameters
 217         batx = baty = 0;
 218         game.state.date = indate = 100.0*(int)(31.0*Rand()+20.0);
 219         game.state.killk = game.state.killc = nkinks = nhelp = resting = casual = game.state.nromkl = 0;
 220         isatb = iscate = imine = icrystl = icraft = game.state.nsckill = game.state.nplankl = 0;
 221         game.state.starkl = game.state.basekl = 0;
 222         iscraft = 1;
 223         landed = -1;
 224         alive = 1;
 225         docfac = 0.25;
 226         for (i = 1; i <= 8; i++)
 227                 for (j = 1; j <= 8; j++) game.state.newstuf[i][j] = game.starch[i][j] = 0;
 228         // Initialize times for extraneous events
 229         game.future[FSNOVA] = game.state.date + expran(0.5 * intime);
 230         game.future[FTBEAM] = game.state.date + expran(1.5 * (intime / game.state.remcom));
 231         game.future[FSNAP] = game.state.date + 1.0 + Rand(); // Force an early snapshot
 232         game.future[FBATTAK] = game.state.date + expran(0.3*intime);
 233         game.future[FCDBAS] = 1e30;
 234         game.future[FSCMOVE] = game.state.nscrem ? game.state.date+0.2777 : 1e30;
 235         game.future[FSCDBAS] = 1e30;
 236         game.future[FDSPROB] = 1e30;
 237         // Starchart is functional
 238         stdamtim = 1e30;
 239         // Put stars in the galaxy
 240         instar = 0;
 241         for (i=1; i<=8; i++)
 242                 for (j=1; j<=8; j++) {
 243                         int k = Rand()*9.0 + 1.0;
 244                         instar += k;
 245                         game.state.galaxy[i][j] = k;
 246                 }
 247         // Locate star bases in galaxy
 248         for (i = 1; i <= inbase; i++) {
 249                 int contflag;
 250                 do {
 251                         do iran8(&ix, &iy);
 252                         while (game.state.galaxy[ix][iy] >= 10);
 253                         contflag = FALSE;
 254                         for (j = i-1; j > 0; j--) {
 255                                 /* Improved placement algorithm to spread out bases */
 256                                 double distq = square(ix-game.state.baseqx[j]) + square(iy-game.state.baseqy[j]);
 257                                 if (distq < 6.0*(6-inbase) && Rand() < 0.75) {
 258                                         contflag = TRUE;
 259 #ifdef DEBUG
 260                                         proutn("DEBUG: Abandoning base #%d at %d-%d\n", i, ix, iy);
 261 #endif
 262                                         break;
 263                                 }
 264 #ifdef DEBUG
 265                                 else if (distq < 6.0 * (6-inbase)) {
 266                                         proutn("DEBUG: saving base #%d, close to #%d\n", i, j);
 267                                 }
 268 #endif
 269                         }
 270                 } while (contflag);
 271
 272                 game.state.baseqx[i] = ix;
 273                 game.state.baseqy[i] = iy;
 274                 game.starch[ix][iy] = -1;
 275                 game.state.galaxy[ix][iy] += 10;
 276         }
 277         // Position ordinary Klingon Battle Cruisers
 278         krem = inkling - incom - game.state.nscrem;
 279         klumper = 0.25*skill*(9.0-length)+1.0;
 280         if (klumper > 9) klumper = 9; // Can't have more than 9 in quadrant
 281         do {
 282                 double r = Rand();
 283                 int klump = (1.0 - r*r)*klumper;
 284                 if (klump > krem) klump = krem;
 285                 krem -= klump;
 286                 klump *= 100;
 287                 do iran8(&ix, &iy);
 288                 while (game.state.galaxy[ix][iy] + klump >= 1000);
 289                 game.state.galaxy[ix][iy] += klump;
 290         } while (krem > 0);
 291         // Position Klingon Commander Ships
 292 #ifdef DEBUG
 293         klumper = 1;
 294 #endif
 295         for (i = 1; i <= incom; i++) {
 296                 do {
 297                         do { /* IF debugging, put commanders by bases, always! */
 298 #ifdef DEBUG
 299                                 if (idebug && klumper <= inbase) {
 300                                         ix = game.state.baseqx[klumper];
 301                                         iy = game.state.baseqy[klumper];
 302                                         klumper++;
 303                                 }
 304                                 else
 305 #endif
 306                                         iran8(&ix, &iy);
 307                         }
 308                         while ((game.state.galaxy[ix][iy] < 99 && Rand() < 0.75)||
 309                                    game.state.galaxy[ix][iy]>899);
 310                         // check for duplicate
 311                         for (j = 1; j < i; j++)
 312                                 if (game.state.cx[j]==ix && game.state.cy[j]==iy) break;
 313                 } while (j < i);
 314                 game.state.galaxy[ix][iy] += 100;
 315                 game.state.cx[i] = ix;
 316                 game.state.cy[i] = iy;
 317         }
 318         // Locate planets in galaxy
 319         for (i = 0; i < inplan; i++) {
 320                 do iran8(&ix, &iy);
 321                 while (game.state.newstuf[ix][iy] > 0);
 322                 game.state.newstuf[ix][iy] = 1;
 323                 game.state.plnets[i].x = ix;
 324                 game.state.plnets[i].y = iy;
 325                 game.state.plnets[i].pclass = Rand()*3.0; // Planet class M N or O
 326                 game.state.plnets[i].crystals = 1.5*Rand();             // 1 in 3 chance of crystals
 327                 game.state.plnets[i].known = unknown;
 328         }
 329         // Locate Romulans
 330         for (i = 1; i <= game.state.nromrem; i++) {
 331                 iran8(&ix, &iy);
 332                 game.state.newstuf[ix][iy] += 10;
 333         }
 334         // Locate the Super Commander
 335         if (game.state.nscrem > 0) {
 336                 do iran8(&ix, &iy);
 337                 while (game.state.galaxy[ix][iy] >= 900);
 338                 game.state.isx = ix;
 339                 game.state.isy = iy;
 340                 game.state.galaxy[ix][iy] += 100;
 341         }
 342         // Place thing (in tournament game, thingx == -1, don't want one!)
 343         if (thingx != -1) {
 344                 iran8(&thingx, &thingy);
 345         }
 346         else {
 347                 thingx = thingy = 0;
 348         }
 349
 350 //      idate = date;
 351         skip(2);
 352         game.state.snap = 0;
 353
 354         if (skill == 1) {
 355                 prout("It is stardate %d. The Federation is being attacked by",
 356                            (int)game.state.date);
 357                 prout("a deadly Klingon invasion force. As captain of the United");
 358                 prout("Starship U.S.S. Enterprise, it is your mission to seek out");
 359                 prout("and destroy this invasion force of %d battle cruisers.",
 360                            inkling);
 361                 prout("You have an initial allotment of %d stardates to complete", (int)intime);
 362                 prout("your mission.  As you proceed you may be given more time.");
 363                 prout("");
 364                 prout("You will have %d supporting starbases.", inbase);
 365                 proutn("Starbase locations-  ");
 366         }
 367         else {
 368                 prout("Stardate %d.", (int)game.state.date);
 369                 prout("");
 370                 prout("%d Klingons.", inkling);
 371                 prout("An unknown number of Romulans.");
 372                 if (game.state.nscrem) prout("and one (GULP) Super-Commander.");
 373                         prout("%d stardates.",(int)intime);
 374                         proutn("%d starbases in ", inbase);
 375         }
 376         for (i = 1; i <= inbase; i++) {
 377                 proutn(cramlc(0, game.state.baseqx[i], game.state.baseqy[i]));
 378                 proutn("  ");
 379         }
 380         skip(2);
 381         proutn("The Enterprise is currently in ");
 382         proutn(cramlc(quadrant, quadx, quady));
 383         proutn(" ");
 384         proutn(cramlc(sector, sectx, secty));
 385         skip(2);
 386         prout("Good Luck!");
 387         if (game.state.nscrem) prout("  YOU'LL NEED IT.");
 388         waitfor();
 389         newqad(0);
 390         if (nenhere-iqhere-ithere) shldup=1.0;
 391         if (neutz) attack(0);   // bad luck to start in a Romulan Neutral Zone
 392 }
 393
 394 void randomize(void) {
 395         srand((int)time(NULL));
 396 }
 397
 398 int choose(int needprompt) {
 399         while (TRUE) {
 400         tourn = 0;
 401         thawed = 0;
 402         skill = 0;
 403         length = 0;
 404                 if (needprompt) /* Can start with command line options */
 405                         proutn("Would you like a regular, tournament, or saved game? ");
 406                 scan();
 407                 if (strlen(citem)==0) continue; // Try again
 408                 if (isit("tournament")) {
 409                         while (scan() == IHEOL) {
 410                                 proutn("Type in tournament number-");
 411                         }
 412                         if (aaitem == 0) {
 413                                 chew();
 414                                 continue; // We don't want a blank entry
 415                         }
 416                         tourn = (int)aaitem;
 417                         thingx = -1;
 418                         srand((unsigned int)(int)aaitem);
 419                         break;
 420                 }
 421                 if (isit("saved") || isit("frozen")) {
 422                         if (thaw()) continue;
 423                         chew();
 424                         if (*game.passwd==0) continue;
 425                         if (!alldone) thawed = 1; // No plaque if not finished
 426                         report();
 427                         waitfor();
 428                         return TRUE;
 429                 }
 430                 if (isit("regular")) break;
 431                 proutn("What is \"");
 432                 proutn(citem);
 433                 prout("\"?");
 434                 chew();
 435         }
 436         while (length==0 || skill==0) {
 437                 if (scan() == IHALPHA) {
 438                         if (isit("short")) length = 1;
 439                         else if (isit("medium")) length = 2;
 440                         else if (isit("long")) length = 4;
 441                         else if (isit("novice")) skill = 1;
 442                         else if (isit("fair")) skill = 2;
 443                         else if (isit("good")) skill = 3;
 444                         else if (isit("expert")) skill = 4;
 445                         else if (isit("emeritus")) skill = 5;
 446                         else {
 447                                 proutn("What is \"");
 448                                 proutn(citem);
 449                                 prout("\"?");
 450                         }
 451                 }
 452                 else {
 453                         chew();
 454                         if (length==0) proutn("Would you like a Short, Medium, or Long game? ");
 455                         else if (skill == 0) proutn("Are you a Novice, Fair, Good, Expert, or Emeritus player? ");
 456                 }
 457         }
 458         setpassword();
 459 #ifdef DEBUG
 460         if (strcmp(game.passwd, "debug")==0) idebug = 1;
 461 #endif
 462
 463         // Use parameters to generate initial values of things
 464         damfac = 0.5 * skill;
 465         game.state.rembase = 3.0*Rand()+2.0;
 466         inbase = game.state.rembase;
 467         inplan = (PLNETMAX/2) + (PLNETMAX/2+1)*Rand();
 468         game.state.nromrem = (2.0+Rand())*skill;
 469         game.state.nscrem = (skill > 2? 1 : 0);
 470         game.state.remtime = 7.0 * length;
 471         intime = game.state.remtime;
 472         game.state.remkl = 2.0*intime*((skill+1 - 2*Rand())*skill*0.1+.15);
 473         inkling = game.state.remkl;
 474         incom = skill + 0.0625*inkling*Rand();
 475         game.state.remcom= min(10, incom);
 476         incom = game.state.remcom;
 477         game.state.remres = (inkling+4*incom)*intime;
 478         inresor = game.state.remres;
 479         if (inkling > 50) {
 480                 inbase = (game.state.rembase += 1);
 481         }
 482         return FALSE;
 483 }
 484
 485 void dropin(int iquad, int *ix, int *iy) {
 486         do iran10(ix, iy);
 487         while (game.quad[*ix][*iy] != IHDOT);
 488         game.quad[*ix][*iy] = iquad;
 489 }
 490
 491 void newcnd(void) {
 492         condit = IHGREEN;
 493         if (energy < 1000.0) condit = IHYELLOW;
 494         if (game.state.galaxy[quadx][quady] > 99 || game.state.newstuf[quadx][quady] > 9)
 495                 condit = IHRED;
 496         if (!alive) condit=IHDEAD;
 497 }
 498
 499
 500 void newqad(int shutup) {
 501         int quadnum = game.state.galaxy[quadx][quady];
 502         int newnum = game.state.newstuf[quadx][quady];
 503         int i, j, ix, iy, nplan;
 504
 505         iattak = 1;
 506         justin = 1;
 507         basex = basey = 0;
 508         klhere = 0;
 509         comhere = 0;
 510         plnetx = plnety = 0;
 511         ishere = 0;
 512         irhere = 0;
 513         iplnet = 0;
 514         nenhere = 0;
 515         neutz = 0;
 516         inorbit = 0;
 517         landed = -1;
 518         ientesc = 0;
 519         ithere = 0;
 520         iqhere=0;
 521         iqengry=0;
 522         iseenit = 0;
 523         if (iscate) {
 524                 // Attempt to escape Super-commander, so tbeam back!
 525                 iscate = 0;
 526                 ientesc = 1;
 527         }
 528         // Clear quadrant
 529         for (i=1; i <= 10; i++)
 530                 for (j=1; j <= 10; j++) game.quad[i][j] = IHDOT;
 531         // cope with supernova
 532         if (quadnum > 999) {
 533                 return;
 534         }
 535         klhere = quadnum/100;
 536         irhere = newnum/10;
 537         nplan = newnum%10;
 538         nenhere = klhere + irhere;
 539
 540         // Position Starship
 541         game.quad[sectx][secty] = ship;
 542
 543         if (quadnum >= 100) {
 544                 // Position ordinary Klingons
 545                 quadnum -= 100*klhere;
 546                 for (i = 1; i <= klhere; i++) {
 547                         dropin(IHK, &ix, &iy);
 548                         game.kx[i] = ix;
 549                         game.ky[i] = iy;
 550                         game.kdist[i] = game.kavgd[i] = sqrt(square(sectx-ix) + square(secty-iy));
 551                         game.kpower[i] = Rand()*150.0 +300.0 +25.0*skill;
 552                 }
 553                 // If we need a commander, promote a Klingon
 554                 for (i = 1; i <= game.state.remcom ; i++)
 555                         if (game.state.cx[i]==quadx && game.state.cy[i]==quady) break;
 556
 557                 if (i <= game.state.remcom) {
 558                         game.quad[ix][iy] = IHC;
 559                         game.kpower[klhere] = 950.0+400.0*Rand()+50.0*skill;
 560                         comhere = 1;
 561                 }
 562
 563                 // If we need a super-commander, promote a Klingon
 564                 if (quadx == game.state.isx && quady == game.state.isy) {
 565                         game.quad[game.kx[1]][game.ky[1]] = IHS;
 566                         game.kpower[1] = 1175.0 + 400.0*Rand() + 125.0*skill;
 567                         iscate = game.state.remkl>1;
 568                         ishere = 1;
 569                 }
 570         }
 571         // Put in Romulans if needed
 572         for (i = klhere+1; i <= nenhere; i++) {
 573                 dropin(IHR, &ix, &iy);
 574                 game.kx[i] = ix;
 575                 game.ky[i] = iy;
 576                 game.kdist[i] = game.kavgd[i] = sqrt(square(sectx-ix) + square(secty-iy));
 577                 game.kpower[i] = Rand()*400.0 + 450.0 + 50.0*skill;
 578         }
 579         // If quadrant needs a starbase, put it in
 580         if (quadnum >= 10) {
 581                 quadnum -= 10;
 582                 dropin(IHB, &basex, &basey);
 583         }
 584
 585         if (nplan) {
 586                 // If quadrant needs a planet, put it in
 587                 for (i=0; i < inplan; i++)
 588                         if (game.state.plnets[i].x == quadx && game.state.plnets[i].y == quady) break;
 589                 if (i < inplan) {
 590                         iplnet = i;
 591                         dropin(IHP, &plnetx, &plnety);
 592                 }
 593         }
 594         // Check for condition
 595         newcnd();
 596         // And finally the stars
 597         for (i = 1; i <= quadnum; i++) dropin(IHSTAR, &ix, &iy);
 598
 599         // Check for RNZ
 600         if (irhere > 0 && klhere == 0) {
 601                 neutz = 1;
 602                 if (game.damage[DRADIO] <= 0.0) {
 603                         skip(1);
 604                         prout("LT. Uhura- \"Captain, an urgent message.");
 605                         prout("  I'll put it on audio.\"  CLICK");
 606                         skip(1);
 607                         prout("INTRUDER! YOU HAVE VIOLATED THE ROMULAN NEUTRAL ZONE.");
 608                         prout("LEAVE AT ONCE, OR YOU WILL BE DESTROYED!");
 609                 }
 610         }
 611
 612         if (shutup==0) {
 613                 // Put in THING if needed
 614                 if (thingx == quadx && thingy == quady) {
 615                         dropin(IHQUEST, &ix, &iy);
 616                         iran8(&thingx, &thingy);
 617                         nenhere++;
 618                         iqhere=1;
 619                         game.kx[nenhere] = ix;
 620                         game.ky[nenhere] = iy;
 621                         game.kdist[nenhere] = game.kavgd[nenhere] =
 622                             sqrt(square(sectx-ix) + square(secty-iy));
 623                         game.kpower[nenhere] = Rand()*6000.0 +500.0 +250.0*skill;
 624                         if (game.damage[DSRSENS] == 0.0) {
 625                                 skip(1);
 626                                 prout("MR. SPOCK- \"Captain, this is most unusual.");
 627                                 prout("    Please examine your short-range scan.\"");
 628                         }
 629                 }
 630         }
 631
 632         // Decide if quadrant needs a Tholian
 633         if ((skill < 3 && Rand() <= 0.02) ||   /* Lighten up if skill is low */
 634                 (skill == 3 && Rand() <= 0.05) ||
 635                 (skill > 3 && Rand() <= 0.08)
 636 #ifdef DEBUG
 637                 || strcmp(passwd, "tholianx")==0
 638 #endif
 639                 ) {
 640                 do {
 641                         ithx = Rand() > 0.5 ? 10 : 1;
 642                         ithy = Rand() > 0.5 ? 10 : 1;
 643                 } while (game.quad[ithx][ithy] != IHDOT);
 644                 game.quad[ithx][ithy] = IHT;
 645                 ithere = 1;
 646                 nenhere++;
 647                 game.kx[nenhere] = ithx;
 648                 game.ky[nenhere] = ithy;
 649                 game.kdist[nenhere] = game.kavgd[nenhere] =
 650                     sqrt(square(sectx-ithx) + square(secty-ithy));
 651                 game.kpower[nenhere] = Rand()*400.0 +100.0 +25.0*skill;
 652                 /* Reserve unocupied corners */
 653                 if (game.quad[1][1]==IHDOT) game.quad[1][1] = 'X';
 654                 if (game.quad[1][10]==IHDOT) game.quad[1][10] = 'X';
 655                 if (game.quad[10][1]==IHDOT) game.quad[10][1] = 'X';
 656                 if (game.quad[10][10]==IHDOT) game.quad[10][10] = 'X';
 657         }
 658         sortkl();
 659
 660         // Put in a few black holes
 661         for (i = 1; i <= 3; i++)
 662                 if (Rand() > 0.5) dropin(IHBLANK, &ix, &iy);
 663
 664         // Take out X's in corners if Tholian present
 665         if (ithere) {
 666                 if (game.quad[1][1]=='X') game.quad[1][1] = IHDOT;
 667                 if (game.quad[1][10]=='X') game.quad[1][10] = IHDOT;
 668                 if (game.quad[10][1]=='X') game.quad[10][1] = IHDOT;
 669                 if (game.quad[10][10]=='X') game.quad[10][10] = IHDOT;
 670         }
 671 }
 672
 673 void sortkl(void) {
 674         double t;
 675         int sw, j, k;
 676
 677         // The author liked bubble sort. So we will use it. :-(
 678
 679         if (nenhere-iqhere-ithere < 2) return;
 680
 681         do {
 682                 sw = FALSE;
 683                 for (j = 1; j < nenhere; j++)
 684                         if (game.kdist[j] > game.kdist[j+1]) {
 685                                 sw = TRUE;
 686                                 t = game.kdist[j];
 687                                 game.kdist[j] = game.kdist[j+1];
 688                                 game.kdist[j+1] = t;
 689                                 t = game.kavgd[j];
 690                                 game.kavgd[j] = game.kavgd[j+1];
 691                                 game.kavgd[j+1] = t;
 692                                 k = game.kx[j];
 693                                 game.kx[j] = game.kx[j+1];
 694                                 game.kx[j+1] = k;
 695                                 k = game.ky[j];
 696                                 game.ky[j] = game.ky[j+1];
 697                                 game.ky[j+1] = k;
 698                                 t = game.kpower[j];
 699                                 game.kpower[j] = game.kpower[j+1];
 700                                 game.kpower[j+1] = t;
 701                         }
 702         } while (sw);
 703 }