battle.c

   1 #include <unistd.h>
   2 #include "sst.h"
   3
   4 void doshield(int i)
   5 {
   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 {
 135     double type = 1.0, extradm;
 136     int icas, l;
 137
 138     prouts("***RED ALERT!  RED ALERT!");
 139     skip(1);
 140     prout("***COLLISION IMMINENT.");
 141     skip(2);
 142     proutn("***");
 143     crmshp();
 144     switch (ienm) {
 145     case IHR: type = 1.5; break;
 146     case IHC: type = 2.0; break;
 147     case IHS: type = 2.5; break;
 148     case IHT: type = 0.5; break;
 149     case IHQUEST: type = 4.0; break;
 150     }
 151     proutn(ibumpd ? " rammed by " : " rams ");
 152     crmena(0, ienm, 2, ix, iy);
 153     if (ibumpd) proutn(" (original position)");
 154     skip(1);
 155     deadkl(ix, iy, ienm, sectx, secty);
 156     proutn("***");
 157     crmshp();
 158     prout(" heavily damaged.");
 159     icas = 10.0+20.0*Rand();
 160     prout("***Sickbay reports %d casualties", icas);
 161     casual += icas;
 162     for (l=0; l < NDEVICES; l++) {
 163         if (l == DDRAY)
 164             continue; // Don't damage deathray
 165         if (game.damage[l] < 0)
 166             continue;
 167         extradm = (10.0*type*Rand()+1.0)*damfac;
 168         game.damage[l] += Time + extradm; /* Damage for at least time of travel! */
 169     }
 170     shldup = 0;
 171     if (game.state.remkl) {
 172         pause_game(2);
 173         dreprt();
 174     }
 175     else finish(FWON);
 176     return;
 177 }
 178
 179 void torpedo(double course, double r, int inx, int iny, double *hit, int wait, int i, int n)
 180 {
 181     int l, iquad=0, ix=0, iy=0, jx=0, jy=0, shoved=0, ll;
 182
 183     double ac=course + 0.25*r;
 184     double angle = (15.0-ac)*0.5235988;
 185     double bullseye = (15.0 - course)*0.5235988;
 186     double deltax=-sin(angle), deltay=cos(angle), x=inx, y=iny, bigger;
 187     double ang, temp, xx, yy, kp, h1;
 188
 189     bigger = fabs(deltax);
 190     if (fabs(deltay) > bigger) bigger = fabs(deltay);
 191     deltax /= bigger;
 192     deltay /= bigger;
 193     if (game.damage[DSRSENS]==0 || condit==IHDOCKED)
 194         setwnd(srscan_window);
 195     else
 196         setwnd(message_window);
 197     /* Loop to move a single torpedo */
 198     for (l=1; l <= 15; l++) {
 199         x += deltax;
 200         ix = x + 0.5;
 201         y += deltay;
 202         iy = y + 0.5;
 203         if (!VALID_SECTOR(ix, iy)) break;
 204         iquad=game.quad[ix][iy];
 205         tracktorpedo(x, y, ix, iy, wait, l, i, n, iquad);
 206         wait = 1;
 207         if (iquad==IHDOT) continue;
 208         /* hit something */
 209         setwnd(message_window);
 210         skip(1);        /* start new line after text track */
 211         switch(iquad) {
 212         case IHE: /* Hit our ship */
 213         case IHF:
 214             skip(1);
 215             proutn("Torpedo hits ");
 216             crmshp();
 217             prout(".");
 218             *hit = 700.0 + 100.0*Rand() -
 219                 1000.0*sqrt(square(ix-inx)+square(iy-iny))*
 220                 fabs(sin(bullseye-angle));
 221             *hit = fabs(*hit);
 222             newcnd(); /* we're blown out of dock */
 223             /* We may be displaced. */
 224             if (landed==1 || condit==IHDOCKED) return; /* Cheat if on a planet */
 225             ang = angle + 2.5*(Rand()-0.5);
 226             temp = fabs(sin(ang));
 227             if (fabs(cos(ang)) > temp) temp = fabs(cos(ang));
 228             xx = -sin(ang)/temp;
 229             yy = cos(ang)/temp;
 230             jx=ix+xx+0.5;
 231             jy=iy+yy+0.5;
 232             if (!VALID_SECTOR(jx, jy)) return;
 233             if (game.quad[jx][jy]==IHBLANK) {
 234                 finish(FHOLE);
 235                 return;
 236             }
 237             if (game.quad[jx][jy]!=IHDOT) {
 238                 /* can't move into object */
 239                 return;
 240             }
 241             sectx = jx;
 242             secty = jy;
 243             crmshp();
 244             shoved = 1;
 245             break;
 246
 247         case IHC: /* Hit a commander */
 248         case IHS:
 249             if (Rand() <= 0.05) {
 250                 crmena(1, iquad, 2, ix, iy);
 251                 prout(" uses anti-photon device;");
 252                 prout("   torpedo neutralized.");
 253                 return;
 254             }
 255         case IHR: /* Hit a regular enemy */
 256         case IHK:
 257             /* find the enemy */
 258             for (ll=1; ll <= nenhere; ll++)
 259                 if (ix==game.kx[ll] && iy==game.ky[ll]) break;
 260             kp = fabs(game.kpower[ll]);
 261             h1 = 700.0 + 100.0*Rand() -
 262                 1000.0*sqrt(square(ix-inx)+square(iy-iny))*
 263                 fabs(sin(bullseye-angle));
 264             h1 = fabs(h1);
 265             if (kp < h1) h1 = kp;
 266             game.kpower[ll] -= (game.kpower[ll]<0 ? -h1 : h1);
 267             if (game.kpower[ll] == 0) {
 268                 deadkl(ix, iy, iquad, ix, iy);
 269                 return;
 270             }
 271             crmena(1, iquad, 2, ix, iy);
 272             /* If enemy damaged but not destroyed, try to displace */
 273             ang = angle + 2.5*(Rand()-0.5);
 274             temp = fabs(sin(ang));
 275             if (fabs(cos(ang)) > temp) temp = fabs(cos(ang));
 276             xx = -sin(ang)/temp;
 277             yy = cos(ang)/temp;
 278             jx=ix+xx+0.5;
 279             jy=iy+yy+0.5;
 280             if (!VALID_SECTOR(jx, jy)) {
 281                 prout(" damaged but not destroyed.");
 282                 return;
 283             }
 284             if (game.quad[jx][jy]==IHBLANK) {
 285                 prout(" buffeted into black hole.");
 286                 deadkl(ix, iy, iquad, jx, jy);
 287                 return;
 288             }
 289             if (game.quad[jx][jy]!=IHDOT) {
 290                 /* can't move into object */
 291                 prout(" damaged but not destroyed.");
 292                 return;
 293             }
 294             proutn(" damaged--");
 295             game.kx[ll] = jx;
 296             game.ky[ll] = jy;
 297             shoved = 1;
 298             break;
 299         case IHB: /* Hit a base */
 300             skip(1);
 301             prout("***STARBASE DESTROYED..");
 302             for (ll=1; ll<=game.state.rembase; ll++) {
 303                 if (game.state.baseqx[ll]==quadx && game.state.baseqy[ll]==quady) {
 304                     game.state.baseqx[ll]=game.state.baseqx[game.state.rembase];
 305                     game.state.baseqy[ll]=game.state.baseqy[game.state.rembase];
 306                     break;
 307                 }
 308             }
 309             game.quad[ix][iy]=IHDOT;
 310             game.state.rembase--;
 311             basex=basey=0;
 312             game.state.galaxy[quadx][quady].starbase--;
 313             game.state.chart[quadx][quady].starbase--;
 314             game.state.basekl++;
 315             newcnd();
 316             return;
 317         case IHP: /* Hit a planet */
 318             crmena(1, iquad, 2, ix, iy);
 319             prout(" destroyed.");
 320             game.state.nplankl++;
 321             game.state.galaxy[quadx][quady].planets--;
 322             DESTROY(&game.state.plnets[iplnet]);
 323             iplnet = 0;
 324             plnetx = plnety = 0;
 325             game.quad[ix][iy] = IHDOT;
 326             if (landed==1) {
 327                 /* captain perishes on planet */
 328                 finish(FDPLANET);
 329             }
 330             return;
 331         case IHSTAR: /* Hit a star */
 332             if (Rand() > 0.10) {
 333                 nova(ix, iy);
 334                 return;
 335             }
 336             crmena(1, IHSTAR, 2, ix, iy);
 337             prout(" unaffected by photon blast.");
 338             return;
 339         case IHQUEST: /* Hit a thingy */
 340             if (!(game.options & OPTION_THINGY) || Rand()>0.7) {
 341                 skip(1);
 342                 prouts("AAAAIIIIEEEEEEEEAAAAAAAAUUUUUGGGGGHHHHHHHHHHHH!!!");
 343                 skip(1);
 344                 prouts("    HACK!     HACK!    HACK!        *CHOKE!*  ");
 345                 skip(1);
 346                 proutn("Mr. Spock-");
 347                 prouts("  \"Fascinating!\"");
 348                 skip(1);
 349                 deadkl(ix, iy, iquad, ix, iy);
 350             } else {
 351                 /*
 352                  * Stas Sergeev added the possibility that
 353                  * you can shove the Thingy abd piss it off.
 354                  * It then becomes an enemy and may fire at you.
 355                  */
 356                 iqengry=1;
 357                 shoved=1;
 358             }
 359             return;
 360         case IHBLANK: /* Black hole */
 361             skip(1);
 362             crmena(1, IHBLANK, 2, ix, iy);
 363             prout(" swallows torpedo.");
 364             return;
 365         case IHWEB: /* hit the web */
 366             skip(1);
 367             prout("***Torpedo absorbed by Tholian web.");
 368             return;
 369         case IHT:  /* Hit a Tholian */
 370             h1 = 700.0 + 100.0*Rand() -
 371                 1000.0*sqrt(square(ix-inx)+square(iy-iny))*
 372                 fabs(sin(bullseye-angle));
 373             h1 = fabs(h1);
 374             if (h1 >= 600) {
 375                 game.quad[ix][iy] = IHDOT;
 376                 ithere = 0;
 377                 ithx = ithy = 0;
 378                 deadkl(ix, iy, iquad, ix, iy);
 379                 return;
 380             }
 381             skip(1);
 382             crmena(1, IHT, 2, ix, iy);
 383             if (Rand() > 0.05) {
 384                 prout(" survives photon blast.");
 385                 return;
 386             }
 387             prout(" disappears.");
 388             game.quad[ix][iy] = IHWEB;
 389             ithere = ithx = ithy = 0;
 390             nenhere--;
 391             {
 392                 int dum, my;
 393                 dropin(IHBLANK, &dum, &my);
 394             }
 395             return;
 396
 397         default: /* Problem! */
 398             skip(1);
 399             proutn("Don't know how to handle collision with ");
 400             crmena(1, iquad, 2, ix, iy);
 401             skip(1);
 402             return;
 403         }
 404         break;
 405     }
 406     if(curwnd!=message_window) {
 407         setwnd(message_window);
 408     }
 409     if (shoved) {
 410         game.quad[jx][jy]=iquad;
 411         game.quad[ix][iy]=IHDOT;
 412         prout(" displaced by blast to %s ", cramlc(sector, jx, jy));
 413         for (ll=1; ll<=nenhere; ll++)
 414             game.kdist[ll] = game.kavgd[ll] = sqrt(square(sectx-game.kx[ll])+square(secty-game.ky[ll]));
 415         sortkl();
 416         return;
 417     }
 418     skip(1);
 419     prout("Torpedo missed.");
 420     return;
 421 }
 422
 423 static void fry(double hit)
 424 {
 425     double ncrit, extradm;
 426     int ktr=1, l, ll, j, cdam[NDEVICES];
 427
 428     /* a critical hit occured */
 429     if (hit < (275.0-25.0*skill)*(1.0+0.5*Rand())) return;
 430
 431     ncrit = 1.0 + hit/(500.0+100.0*Rand());
 432     proutn("***CRITICAL HIT--");
 433     /* Select devices and cause damage */
 434     for (l = 0; l < ncrit && 0 < NDEVICES; l++) {
 435         do {
 436             j = NDEVICES*Rand();
 437             /* Cheat to prevent shuttle damage unless on ship */
 438         } while
 439               (game.damage[j]<0.0 || (j==DSHUTTL && iscraft!=1) || j==DDRAY);
 440         cdam[l] = j;
 441         extradm = (hit*damfac)/(ncrit*(75.0+25.0*Rand()));
 442         game.damage[j] += extradm;
 443         if (l > 0) {
 444             for (ll=2; ll<=l && j != cdam[ll-1]; ll++) ;
 445             if (ll<=l) continue;
 446             ktr += 1;
 447             if (ktr==3) skip(1);
 448             proutn(" and ");
 449         }
 450         proutn(device[j]);
 451     }
 452     prout(" damaged.");
 453     if (game.damage[DSHIELD] && shldup) {
 454         prout("***Shields knocked down.");
 455         shldup=0;
 456     }
 457 }
 458
 459 void attack(int torps_ok)
 460 {
 461     /* torps_ok == 0 forces use of phasers in an attack */
 462     int percent, ihurt=0, l, i=0, jx, jy, iquad, itflag;
 463     int atackd = 0, attempt = 0;
 464     double hit;
 465     double pfac, dustfac, hitmax=0.0, hittot=0.0, chgfac=1.0, r;
 466
 467     iattak = 1;
 468     if (alldone) return;
 469 #ifdef DEBUG
 470     if (idebug) prout("ATTACK!");
 471 #endif
 472
 473     if (ithere) movetho();
 474
 475     if (neutz) { /* The one chance not to be attacked */
 476         neutz = 0;
 477         return;
 478     }
 479     if ((((comhere || ishere) && (justin == 0)) || skill == SKILL_EMERITUS)&&(torps_ok!=0)) movcom();
 480     if (nenhere==0 || (nenhere==1 && iqhere && iqengry==0)) return;
 481     pfac = 1.0/inshld;
 482     if (shldchg == 1) chgfac = 0.25+0.5*Rand();
 483     skip(1);
 484     if (skill <= SKILL_FAIR) i = 2;
 485     for (l=1; l <= nenhere; l++) {
 486         if (game.kpower[l] < 0) continue;       /* too weak to attack */
 487         /* compute hit strength and diminsh shield power */
 488         r = Rand();
 489         /* Increase chance of photon torpedos if docked or enemy energy low */
 490         if (condit == IHDOCKED) r *= 0.25;
 491         if (game.kpower[l] < 500) r *= 0.25;
 492         jx = game.kx[l];
 493         jy = game.ky[l];
 494         iquad = game.quad[jx][jy];
 495         if (iquad==IHT || (iquad==IHQUEST && !iqengry)) continue;
 496         itflag = (iquad == IHK && r > 0.0005) || !torps_ok ||
 497             (iquad==IHC && r > 0.015) ||
 498             (iquad==IHR && r > 0.3) ||
 499             (iquad==IHS && r > 0.07) ||
 500             (iquad==IHQUEST && r > 0.05);
 501         if (itflag) {
 502             /* Enemy uses phasers */
 503             if (condit == IHDOCKED) continue; /* Don't waste the effort! */
 504             attempt = 1; /* Attempt to attack */
 505             dustfac = 0.8+0.05*Rand();
 506             hit = game.kpower[l]*pow(dustfac,game.kavgd[l]);
 507             game.kpower[l] *= 0.75;
 508         }
 509         else { /* Enemy used photon torpedo */
 510             double course = 1.90985*atan2((double)secty-jy, (double)jx-sectx);
 511             hit = 0;
 512             proutn("***TORPEDO INCOMING");
 513             if (game.damage[DSRSENS] <= 0.0) {
 514                 proutn(" From ");
 515                 crmena(0, iquad, i, jx, jy);
 516             }
 517             attempt = 1;
 518             prout("  ");
 519             r = (Rand()+Rand())*0.5 -0.5;
 520             r += 0.002*game.kpower[l]*r;
 521             torpedo(course, r, jx, jy, &hit, 0, 1, 1);
 522             if (game.state.remkl==0)
 523                 finish(FWON); /* Klingons did themselves in! */
 524             if (game.state.galaxy[quadx][quady].supernova || alldone)
 525                 return; /* Supernova or finished */
 526             if (hit == 0) continue;
 527         }
 528         if (shldup != 0 || shldchg != 0 || condit==IHDOCKED) {
 529             /* shields will take hits */
 530             double absorb, hitsh, propor = pfac*shield*(condit==IHDOCKED ? 2.1 : 1.0);
 531             if(propor < 0.1) propor = 0.1;
 532             hitsh = propor*chgfac*hit+1.0;
 533             atackd=1;
 534             absorb = 0.8*hitsh;
 535             if (absorb > shield) absorb = shield;
 536             shield -= absorb;
 537             hit -= hitsh;
 538             if (condit==IHDOCKED) dock(0);
 539             if (propor > 0.1 && hit < 0.005*energy) continue;
 540         }
 541         /* It's a hit -- print out hit size */
 542         atackd = 1; /* We weren't going to check casualties, etc. if
 543                        shields were down for some strange reason. This
 544                        doesn't make any sense, so I've fixed it */
 545         ihurt = 1;
 546         proutn("%d unit hit", (int)hit);
 547         if ((game.damage[DSRSENS] > 0 && itflag) || skill<=SKILL_FAIR) {
 548             proutn(" on the ");
 549             crmshp();
 550         }
 551         if (game.damage[DSRSENS] <= 0.0 && itflag) {
 552             proutn(" from ");
 553             crmena(0, iquad, i, jx, jy);
 554         }
 555         skip(1);
 556         /* Decide if hit is critical */
 557         if (hit > hitmax) hitmax = hit;
 558         hittot += hit;
 559         fry(hit);
 560         prout("Hit %g energy %g", hit, energy);
 561         energy -= hit;
 562         if (condit==IHDOCKED)
 563             dock(0);
 564     }
 565     if (energy <= 0) {
 566         /* Returning home upon your shield, not with it... */
 567         finish(FBATTLE);
 568         return;
 569     }
 570     if (attempt == 0 && condit == IHDOCKED)
 571         prout("***Enemies decide against attacking your ship.");
 572     if (atackd == 0) return;
 573     percent = 100.0*pfac*shield+0.5;
 574     if (ihurt==0) {
 575         /* Shields fully protect ship */
 576         proutn("Enemy attack reduces shield strength to ");
 577     }
 578     else {
 579         /* Print message if starship suffered hit(s) */
 580         skip(1);
 581         proutn("Energy left %2d    shields ", (int)energy);
 582         if (shldup) proutn("up ");
 583         else if (game.damage[DSHIELD] == 0) proutn("down ");
 584         else proutn("damaged, ");
 585     }
 586     prout("%d%%,   torpedoes left %d", percent, torps);
 587     /* Check if anyone was hurt */
 588     if (hitmax >= 200 || hittot >= 500) {
 589         int icas= hittot*Rand()*0.015;
 590         if (icas >= 2) {
 591             skip(1);
 592             prout("Mc Coy-  \"Sickbay to bridge.  We suffered %d casualties", icas);
 593             prout("   in that last attack.\"");
 594             casual += icas;
 595         }
 596     }
 597     /* After attack, reset average distance to enemies */
 598     for (l = 1; l <= nenhere; l++)
 599         game.kavgd[l] = game.kdist[l];
 600     sortkl();
 601     return;
 602 }
 603
 604 void deadkl(int ix, int iy, int type, int ixx, int iyy)
 605 {
 606     /* Added ixx and iyy allow enemy to "move" before dying */
 607
 608     int i,j;
 609
 610     skip(1);
 611     crmena(1, type, 2, ixx, iyy);
 612     /* Decide what kind of enemy it is and update approriately */
 613     if (type == IHR) {
 614         /* chalk up a Romulan */
 615         game.state.galaxy[quadx][quady].romulans--;
 616         irhere--;
 617         game.state.nromkl++;
 618         game.state.nromrem--;
 619     }
 620     else if (type == IHT) {
 621         /* Killed a Tholian */
 622         ithere = 0;
 623     }
 624     else if (type == IHQUEST) {
 625         /* Killed a Thingy */
 626         iqhere=iqengry=thingx=thingy=0;
 627     }
 628     else {
 629         /* Some type of a Klingon */
 630         game.state.galaxy[quadx][quady].klingons--;
 631         klhere--;
 632         game.state.remkl--;
 633         switch (type) {
 634         case IHC:
 635             comhere = 0;
 636             for (i=1; i<=game.state.remcom; i++)
 637                 if (game.state.cx[i]==quadx && game.state.cy[i]==quady) break;
 638             game.state.cx[i] = game.state.cx[game.state.remcom];
 639             game.state.cy[i] = game.state.cy[game.state.remcom];
 640             game.state.cx[game.state.remcom] = 0;
 641             game.state.cy[game.state.remcom] = 0;
 642             game.state.remcom--;
 643             game.future[FTBEAM] = 1e30;
 644             if (game.state.remcom != 0)
 645                 game.future[FTBEAM] = game.state.date + expran(1.0*incom/game.state.remcom);
 646             game.state.killc++;
 647             break;
 648         case IHK:
 649             game.state.killk++;
 650             break;
 651         case IHS:
 652             game.state.nscrem = ishere = game.state.isx = game.state.isy = isatb = iscate = 0;
 653             game.state.nsckill = 1;
 654             game.future[FSCMOVE] = game.future[FSCDBAS] = 1e30;
 655             break;
 656         }
 657     }
 658
 659     /* For each kind of enemy, finish message to player */
 660     prout(" destroyed.");
 661     game.quad[ix][iy] = IHDOT;
 662     if (game.state.remkl==0) return;
 663
 664     game.state.remtime = game.state.remres/(game.state.remkl + 4*game.state.remcom);
 665
 666     /* Remove enemy ship from arrays describing local conditions */
 667     if (game.future[FCDBAS] < 1e30 && batx==quadx && baty==quady && type==IHC)
 668         game.future[FCDBAS] = 1e30;
 669     for (i=1; i<=nenhere; i++)
 670         if (game.kx[i]==ix && game.ky[i]==iy) break;
 671     nenhere--;
 672     if (i <= nenhere)  {
 673         for (j=i; j<=nenhere; j++) {
 674             game.kx[j] = game.kx[j+1];
 675             game.ky[j] = game.ky[j+1];
 676             game.kpower[j] = game.kpower[j+1];
 677             game.kavgd[j] = game.kdist[j] = game.kdist[j+1];
 678         }
 679     }
 680     game.kx[nenhere+1] = 0;
 681     game.ky[nenhere+1] = 0;
 682     game.kdist[nenhere+1] = 0;
 683     game.kavgd[nenhere+1] = 0;
 684     game.kpower[nenhere+1] = 0;
 685     return;
 686 }
 687
 688 static int targetcheck(double x, double y, double *course)
 689 {
 690     double deltx, delty;
 691     /* Return TRUE if target is invalid */
 692     if (!VALID_SECTOR(x, y)) {
 693         huh();
 694         return 1;
 695     }
 696     deltx = 0.1*(y - secty);
 697     delty = 0.1*(sectx - x);
 698     if (deltx==0 && delty== 0) {
 699         skip(1);
 700         prout("Spock-  \"Bridge to sickbay.  Dr. McCoy,");
 701         prout("  I recommend an immediate review of");
 702         prout("  the Captain's psychological profile.\"");
 703         chew();
 704         return 1;
 705     }
 706     *course = 1.90985932*atan2(deltx, delty);
 707     return 0;
 708 }
 709
 710 void photon(void)
 711 {
 712     double targ[4][3], course[4];
 713     double r, dummy;
 714     int key, n, i, osuabor;
 715
 716     ididit = 0;
 717
 718     if (game.damage[DPHOTON]) {
 719         prout("Photon tubes damaged.");
 720         chew();
 721         return;
 722     }
 723     if (torps == 0) {
 724         prout("No torpedoes left.");
 725         chew();
 726         return;
 727     }
 728     key = scan();
 729     for (;;) {
 730         if (key == IHALPHA) {
 731             huh();
 732             return;
 733         }
 734         else if (key == IHEOL) {
 735             prout("%d torpedoes left.", torps);
 736             proutn("Number of torpedoes to fire- ");
 737             key = scan();
 738         }
 739         else /* key == IHREAL */ {
 740             n = aaitem + 0.5;
 741             if (n <= 0) { /* abort command */
 742                 chew();
 743                 return;
 744             }
 745             if (n > 3) {
 746                 chew();
 747                 prout("Maximum of 3 torpedoes per burst.");
 748                 key = IHEOL;
 749                 return;
 750             }
 751             if (n <= torps) break;
 752             chew();
 753             key = IHEOL;
 754         }
 755     }
 756     for (i = 1; i <= n; i++) {
 757         key = scan();
 758         if (i==1 && key == IHEOL) {
 759             break;      /* we will try prompting */
 760         }
 761         if (i==2 && key == IHEOL) {
 762             /* direct all torpedoes at one target */
 763             while (i <= n) {
 764                 targ[i][1] = targ[1][1];
 765                 targ[i][2] = targ[1][2];
 766                 course[i] = course[1];
 767                 i++;
 768             }
 769             break;
 770         }
 771         if (key != IHREAL) {
 772             huh();
 773             return;
 774         }
 775         targ[i][1] = aaitem;
 776         key = scan();
 777         if (key != IHREAL) {
 778             huh();
 779             return;
 780         }
 781         targ[i][2] = aaitem;
 782         if (targetcheck(targ[i][1], targ[i][2], &course[i])) return;
 783     }
 784     chew();
 785     if (i == 1 && key == IHEOL) {
 786         /* prompt for each one */
 787         for (i = 1; i <= n; i++) {
 788             proutn("Target sector for torpedo number %d- ", i);
 789             key = scan();
 790             if (key != IHREAL) {
 791                 huh();
 792                 return;
 793             }
 794             targ[i][1] = aaitem;
 795             key = scan();
 796             if (key != IHREAL) {
 797                 huh();
 798                 return;
 799             }
 800             targ[i][2] = aaitem;
 801             chew();
 802             if (targetcheck(targ[i][1], targ[i][2], &course[i])) return;
 803         }
 804     }
 805     ididit = 1;
 806     /* Loop for moving <n> torpedoes */
 807     osuabor = 0;
 808     for (i = 1; i <= n && !osuabor; i++) {
 809         if (condit != IHDOCKED) torps--;
 810         r = (Rand()+Rand())*0.5 -0.5;
 811         if (fabs(r) >= 0.47) {
 812             /* misfire! */
 813             r = (Rand()+1.2) * r;
 814             if (n>1) {
 815                 prouts("***TORPEDO NUMBER %d MISFIRES", i);
 816             }
 817             else prouts("***TORPEDO MISFIRES.");
 818             skip(1);
 819             if (i < n)
 820                 prout("  Remainder of burst aborted.");
 821             osuabor=1;
 822             if (Rand() <= 0.2) {
 823                 prout("***Photon tubes damaged by misfire.");
 824                 game.damage[DPHOTON] = damfac*(1.0+2.0*Rand());
 825                 break;
 826             }
 827         }
 828         if (shldup || condit == IHDOCKED)
 829             r *= 1.0 + 0.0001*shield;
 830         torpedo(course[i], r, sectx, secty, &dummy, 0, i, n);
 831         if (alldone || game.state.galaxy[quadx][quady].supernova)
 832             return;
 833     }
 834     if (game.state.remkl==0) finish(FWON);
 835 }
 836
 837
 838
 839 static void overheat(double rpow)
 840 {
 841     if (rpow > 1500) {
 842         double chekbrn = (rpow-1500.)*0.00038;
 843         if (Rand() <= chekbrn) {
 844             prout("Weapons officer Sulu-  \"Phasers overheated, sir.\"");
 845             game.damage[DPHASER] = damfac*(1.0 + Rand()) * (1.0+chekbrn);
 846         }
 847     }
 848 }
 849
 850 static int checkshctrl(double rpow)
 851 {
 852     double hit;
 853     int icas;
 854
 855     skip(1);
 856     if (Rand() < .998) {
 857         prout("Shields lowered.");
 858         return 0;
 859     }
 860     /* Something bad has happened */
 861     prouts("***RED ALERT!  RED ALERT!");
 862     skip(2);
 863     hit = rpow*shield/inshld;
 864     energy -= rpow+hit*0.8;
 865     shield -= hit*0.2;
 866     if (energy <= 0.0) {
 867         prouts("Sulu-  \"Captain! Shield malf***********************\"");
 868         skip(1);
 869         stars();
 870         finish(FPHASER);
 871         return 1;
 872     }
 873     prouts("Sulu-  \"Captain! Shield malfunction! Phaser fire contained!\"");
 874     skip(2);
 875     prout("Lt. Uhura-  \"Sir, all decks reporting damage.\"");
 876     icas = hit*Rand()*0.012;
 877     skip(1);
 878     fry(0.8*hit);
 879     if (icas) {
 880         skip(1);
 881         prout("McCoy to bridge- \"Severe radiation burns, Jim.");
 882         prout("  %d casualties so far.\"", icas);
 883         casual -= icas;
 884     }
 885     skip(1);
 886     prout("Phaser energy dispersed by shields.");
 887     prout("Enemy unaffected.");
 888     overheat(rpow);
 889     return 1;
 890 }
 891
 892
 893 void phasers(void)
 894 {
 895     double hits[21], rpow=0, extra, powrem, over, temp;
 896     int kz = 0, k=1, i, irec=0; /* Cheating inhibitor */
 897     int ifast=0, no=0, ipoop=1, msgflag = 1;
 898     enum {NOTSET, MANUAL, FORCEMAN, AUTOMATIC} automode = NOTSET;
 899     int key=0;
 900
 901     skip(1);
 902     /* SR sensors and Computer */
 903     if (game.damage[DSRSENS]+game.damage[DCOMPTR] > 0) ipoop = 0;
 904     if (condit == IHDOCKED) {
 905         prout("Phasers can't be fired through base shields.");
 906         chew();
 907         return;
 908     }
 909     if (game.damage[DPHASER] != 0) {
 910         prout("Phaser control damaged.");
 911         chew();
 912         return;
 913     }
 914     if (shldup) {
 915         if (game.damage[DSHCTRL]) {
 916             prout("High speed shield control damaged.");
 917             chew();
 918             return;
 919         }
 920         if (energy <= 200.0) {
 921             prout("Insufficient energy to activate high-speed shield control.");
 922             chew();
 923             return;
 924         }
 925         prout("Weapons Officer Sulu-  \"High-speed shield control enabled, sir.\"");
 926         ifast = 1;
 927
 928     }
 929     /* Original code so convoluted, I re-did it all */
 930     while (automode==NOTSET) {
 931         key=scan();
 932         if (key == IHALPHA) {
 933             if (isit("manual")) {
 934                 if (nenhere==0) {
 935                     prout("There is no enemy present to select.");
 936                     chew();
 937                     key = IHEOL;
 938                     automode=AUTOMATIC;
 939                 }
 940                 else {
 941                     automode = MANUAL;
 942                     key = scan();
 943                 }
 944             }
 945             else if (isit("automatic")) {
 946                 if ((!ipoop) && nenhere != 0) {
 947                     automode = FORCEMAN;
 948                 }
 949                 else {
 950                     if (nenhere==0)
 951                         prout("Energy will be expended into space.");
 952                     automode = AUTOMATIC;
 953                     key = scan();
 954                 }
 955             }
 956             else if (isit("no")) {
 957                 no = 1;
 958             }
 959             else {
 960                 huh();
 961                 return;
 962             }
 963         }
 964         else if (key == IHREAL) {
 965             if (nenhere==0) {
 966                 prout("Energy will be expended into space.");
 967                 automode = AUTOMATIC;
 968             }
 969             else if (!ipoop)
 970                 automode = FORCEMAN;
 971             else
 972                 automode = AUTOMATIC;
 973         }
 974         else {
 975             /* IHEOL */
 976             if (nenhere==0) {
 977                 prout("Energy will be expended into space.");
 978                 automode = AUTOMATIC;
 979             }
 980             else if (!ipoop)
 981                 automode = FORCEMAN;
 982             else
 983                 proutn("Manual or automatic? ");
 984         }
 985     }
 986
 987     switch (automode) {
 988     case AUTOMATIC:
 989         if (key == IHALPHA && isit("no")) {
 990             no = 1;
 991             key = scan();
 992         }
 993         if (key != IHREAL && nenhere != 0) {
 994             prout("Phasers locked on target. Energy available: %.2f",
 995                   ifast?energy-200.0:energy,1,2);
 996         }
 997         irec=0;
 998         do {
 999             chew();
1000             if (!kz) for (i = 1; i <= nenhere; i++)
1001                 irec+=fabs(game.kpower[i])/(PHASEFAC*pow(0.90,game.kdist[i]))*
1002                     (1.01+0.05*Rand()) + 1.0;
1003             kz=1;
1004             proutn("(%d) units required. ", irec);
1005             chew();
1006             proutn("Units to fire= ");
1007             key = scan();
1008             if (key!=IHREAL) return;
1009             rpow = aaitem;
1010             if (rpow > (ifast?energy-200:energy)) {
1011                 proutn("Energy available= %.2f",
1012                        ifast?energy-200:energy);
1013                 skip(1);
1014                 key = IHEOL;
1015             }
1016         } while (rpow > (ifast?energy-200:energy));
1017         if (rpow<=0) {
1018             /* chicken out */
1019             chew();
1020             return;
1021         }
1022         if ((key=scan()) == IHALPHA && isit("no")) {
1023             no = 1;
1024         }
1025         if (ifast) {
1026             energy -= 200; /* Go and do it! */
1027             if (checkshctrl(rpow)) return;
1028         }
1029         chew();
1030         energy -= rpow;
1031         extra = rpow;
1032         if (nenhere) {
1033             extra = 0.0;
1034             powrem = rpow;
1035             for (i = 1; i <= nenhere; i++) {
1036                 hits[i] = 0.0;
1037                 if (powrem <= 0) continue;
1038                 hits[i] = fabs(game.kpower[i])/(PHASEFAC*pow(0.90,game.kdist[i]));
1039                 over = (0.01 + 0.05*Rand())*hits[i];
1040                 temp = powrem;
1041                 powrem -= hits[i] + over;
1042                 if (powrem <= 0 && temp < hits[i]) hits[i] = temp;
1043                 if (powrem <= 0) over = 0.0;
1044                 extra += over;
1045             }
1046             if (powrem > 0.0) extra += powrem;
1047             hittem(hits);
1048             ididit=1;
1049         }
1050         if (extra > 0 && alldone == 0) {
1051             if (ithere) {
1052                 proutn("*** Tholian web absorbs ");
1053                 if (nenhere>0) proutn("excess ");
1054                 prout("phaser energy.");
1055             }
1056             else {
1057                 prout("%d expended on empty space.", (int)extra);
1058             }
1059         }
1060         break;
1061
1062     case FORCEMAN:
1063         chew();
1064         key = IHEOL;
1065         if (game.damage[DCOMPTR]!=0)
1066             prout("Battle comuter damaged, manual file only.");
1067         else {
1068             skip(1);
1069             prouts("---WORKING---");
1070             skip(1);
1071             prout("Short-range-sensors-damaged");
1072             prout("Insufficient-data-for-automatic-phaser-fire");
1073             prout("Manual-fire-must-be-used");
1074             skip(1);
1075         }
1076     case MANUAL:
1077         rpow = 0.0;
1078         for (k = 1; k <= nenhere;) {
1079             int ii = game.kx[k], jj = game.ky[k];
1080             int ienm = game.quad[ii][jj];
1081             if (msgflag) {
1082                 proutn("Energy available= %.2f",
1083                        energy-.006-(ifast?200:0));
1084                 skip(1);
1085                 msgflag = 0;
1086                 rpow = 0.0;
1087             }
1088             if (game.damage[DSRSENS] && !(abs(sectx-ii) < 2 && abs(secty-jj) < 2) &&
1089                 (ienm == IHC || ienm == IHS)) {
1090                 cramen(ienm);
1091                 prout(" can't be located without short range scan.");
1092                 chew();
1093                 key = IHEOL;
1094                 hits[k] = 0; /* prevent overflow -- thanks to Alexei Voitenko */
1095                 k++;
1096                 continue;
1097             }
1098             if (key == IHEOL) {
1099                 chew();
1100                 if (ipoop && k > kz)
1101                     irec=(fabs(game.kpower[k])/(PHASEFAC*pow(0.9,game.kdist[k])))*
1102                         (1.01+0.05*Rand()) + 1.0;
1103                 kz = k;
1104                 proutn("(");
1105                 if (game.damage[DCOMPTR]==0) proutn("%d", irec);
1106                 else proutn("??");
1107                 proutn(")  ");
1108                 proutn("units to fire at ");
1109                 crmena(0, ienm, 2, ii, jj);
1110                 proutn("-  ");
1111                 key = scan();
1112             }
1113             if (key == IHALPHA && isit("no")) {
1114                 no = 1;
1115                 key = scan();
1116                 continue;
1117             }
1118             if (key == IHALPHA) {
1119                 huh();
1120                 return;
1121             }
1122             if (key == IHEOL) {
1123                 if (k==1) { /* Let me say I'm baffled by this */
1124                     msgflag = 1;
1125                 }
1126                 continue;
1127             }
1128             if (aaitem < 0) {
1129                 /* abort out */
1130                 chew();
1131                 return;
1132             }
1133             hits[k] = aaitem;
1134             rpow += aaitem;
1135             /* If total requested is too much, inform and start over */
1136
1137             if (rpow > (ifast?energy-200:energy)) {
1138                 prout("Available energy exceeded -- try again.");
1139                 chew();
1140                 return;
1141             }
1142             key = scan(); /* scan for next value */
1143             k++;
1144         }
1145         if (rpow == 0.0) {
1146             /* zero energy -- abort */
1147             chew();
1148             return;
1149         }
1150         if (key == IHALPHA && isit("no")) {
1151             no = 1;
1152         }
1153         energy -= rpow;
1154         chew();
1155         if (ifast) {
1156             energy -= 200.0;
1157             if (checkshctrl(rpow)) return;
1158         }
1159         hittem(hits);
1160         ididit=1;
1161     case NOTSET:;       /* avoid gcc warning */
1162     }
1163     /* Say shield raised or malfunction, if necessary */
1164     if (alldone)
1165         return;
1166     if (ifast) {
1167         skip(1);
1168         if (no == 0) {
1169             if (Rand() >= 0.99) {
1170                 prout("Sulu-  \"Sir, the high-speed shield control has malfunctioned . . .");
1171                 prouts("         CLICK   CLICK   POP  . . .");
1172                 prout(" No  response, sir!");
1173                 shldup = 0;
1174             }
1175             else
1176                 prout("Shields raised.");
1177         }
1178         else
1179             shldup = 0;
1180     }
1181     overheat(rpow);
1182 }
1183
1184 void hittem(double *hits)
1185 {
1186     double kp, kpow, wham, hit, dustfac, kpini;
1187     int nenhr2=nenhere, k=1, kk=1, ii, jj, ienm;
1188
1189     skip(1);
1190
1191     for (; k <= nenhr2; k++, kk++) {
1192         if ((wham = hits[k])==0) continue;
1193         dustfac = 0.9 + 0.01*Rand();
1194         hit = wham*pow(dustfac,game.kdist[kk]);
1195         kpini = game.kpower[kk];
1196         kp = fabs(kpini);
1197         if (PHASEFAC*hit < kp) kp = PHASEFAC*hit;
1198         game.kpower[kk] -= (game.kpower[kk] < 0 ? -kp: kp);
1199         kpow = game.kpower[kk];
1200         ii = game.kx[kk];
1201         jj = game.ky[kk];
1202         if (hit > 0.005) {
1203             if (game.damage[DSRSENS]==0)
1204                 boom(ii, jj);
1205             proutn("%d unit hit on ", (int)hit);
1206         }
1207         else
1208             proutn("Very small hit on ");
1209         ienm = game.quad[ii][jj];
1210         if (ienm==IHQUEST) iqengry=1;
1211         crmena(0,ienm,2,ii,jj);
1212         skip(1);
1213         if (kpow == 0) {
1214             deadkl(ii, jj, ienm, ii, jj);
1215             if (game.state.remkl==0) finish(FWON);
1216             if (alldone) return;
1217             kk--; /* don't do the increment */
1218         }
1219         else /* decide whether or not to emasculate klingon */
1220             if (kpow > 0 && Rand() >= 0.9 &&
1221                 kpow <= ((0.4 + 0.4*Rand())*kpini)) {
1222                 prout("***Mr. Spock-  \"Captain, the vessel at ",
1223                       cramlc(sector,ii,jj));
1224                 prout("   has just lost its firepower.\"");
1225                 game.kpower[kk] = -kpow;
1226             }
1227     }
1228     return;
1229 }
1230