/* ** REST FOR REPAIRS ** ** You sit around and wait for repairs to happen. Actually, you ** sit around and wait for anything to happen. I do want to point ** out however, that Klingons are not as patient as you are, and ** they tend to attack you while you are resting. ** ** You can never rest through a long range tractor beam. ** ** In events() you will be given an opportunity to cancel the ** rest period if anything momentous happens. */ void rest() { double t; register int percent; /* get the time to rest */ t = getfltpar("How long"); if (t <= 0.0) return; percent = 100 * t / Now.time + 0.5; if (percent >= 70) { printf("Spock: That would take %d%% of our remaining time.\n", percent); if (!getynpar("Are you really certain that is wise")) return; } Move.time = t; /* boundary condition is the LRTB */ t = Now.eventptr[E_LRTB]->date - Now.date; if (Ship.cond != DOCKED && Move.time > t) Move.time = t + 0.0001; Move.free = 0; Move.resting = 1; }
setwarp() { double warpfac; warpfac = getfltpar("Warp factor"); if (warpfac < 0.0) return; if (warpfac < 1.0) return (printf("Minimum warp speed is 1.0\n")); if (warpfac > 10.0) return (printf("Maximum speed is warp 10.0\n")); if (warpfac > 6.0) printf("Damage to warp engines may occur above warp 6.0\n"); Ship.warp = warpfac; Ship.warp2 = Ship.warp * warpfac; Ship.warp3 = Ship.warp2 * warpfac; }
bool getcodi(int *co, double *di) { *co = getintpar("Course"); /* course must be in the interval [0, 360] */ if (*co < 0 || *co > 360) return (1); *di = getfltpar("Distance"); /* distance must be in the interval [0, 15] */ if (*di <= 0.0 || *di > 15.0) return (1); /* good return */ return (0); }
phaser() { register int i; int j; register struct kling *k; double dx, dy; double anglefactor, distfactor; register struct banks *b; int manual, flag, extra; int hit; double tot; int n; int hitreqd[NBANKS]; struct banks bank[NBANKS]; struct cvntab *ptr; if (Ship.cond == DOCKED) return(printf("Phasers cannot fire through starbase shields\n")); if (damaged(PHASER)) return (out(PHASER)); if (Ship.shldup) return (printf("Sulu: Captain, we cannot fire through shields.\n")); if (Ship.cloaked) { printf("Sulu: Captain, surely you must realize that we cannot fire\n"); printf(" phasers with the cloaking device up.\n"); return; } /* decide if we want manual or automatic mode */ manual = 0; if (testnl()) { if (damaged(COMPUTER)) { printf(Device[COMPUTER].name); manual++; } else if (damaged(SRSCAN)) { printf(Device[SRSCAN].name); manual++; } if (manual) printf(" damaged, manual mode selected\n"); } if (!manual) { ptr = getcodpar("Manual or automatic", Matab); manual = (int) ptr->value; } if (!manual && damaged(COMPUTER)) { printf("Computer damaged, manual selected\n"); skiptonl(0); manual++; } /* initialize the bank[] array */ flag = 1; for (i = 0; i < NBANKS; i++) bank[i].units = 0; if (manual) { /* collect manual mode statistics */ while (flag) { printf("%d units available\n", Ship.energy); extra = 0; flag = 0; for (i = 0; i < NBANKS; i++) { b = &bank[i]; printf("\nBank %d:\n", i); hit = getintpar("units"); if (hit < 0) return; if (hit == 0) break; extra += hit; if (extra > Ship.energy) { printf("available energy exceeded. "); skiptonl(0); flag++; break; } b->units = hit; hit = getintpar("course"); if (hit < 0 || hit > 360) return; b->angle = hit * 0.0174532925; b->spread = getfltpar("spread"); if (b->spread < 0 || b->spread > 1) return; } Ship.energy -= extra; } extra = 0; } else { /* automatic distribution of power */ if (Etc.nkling <= 0) return (printf("Sulu: But there are no Klingons in this quadrant\n")); printf("Phasers locked on target. "); while (flag) { printf("%d units available\n", Ship.energy); hit = getintpar("Units to fire"); if (hit <= 0) return; if (hit > Ship.energy) { printf("available energy exceeded. "); skiptonl(0); continue; } flag = 0; Ship.energy -= hit; extra = hit; n = Etc.nkling; if (n > NBANKS) n = NBANKS; tot = n * (n + 1) / 2; for (i = 0; i < n; i++) { k = &Etc.klingon[i]; b = &bank[i]; distfactor = k->dist; anglefactor = ALPHA * BETA * OMEGA / (distfactor * distfactor + EPSILON); anglefactor *= GAMMA; distfactor = k->power; distfactor /= anglefactor; hitreqd[i] = distfactor + 0.5; dx = Ship.sectx - k->x; dy = k->y - Ship.secty; b->angle = atan2(dy, dx); b->spread = 0.0; b->units = ((n - i) / tot) * extra; # ifdef xTRACE if (Trace) { printf("b%d hr%d u%d df%.2f af%.2f\n", i, hitreqd[i], b->units, distfactor, anglefactor); } # endif extra -= b->units; hit = b->units - hitreqd[i]; if (hit > 0) { extra += hit; b->units -= hit; } } /* give out any extra energy we might have around */ if (extra > 0) { for (i = 0; i < n; i++) { b = &bank[i]; hit = hitreqd[i] - b->units; if (hit <= 0) continue; if (hit >= extra) { b->units += extra; extra = 0; break; } b->units = hitreqd[i]; extra -= hit; } if (extra > 0) printf("%d units overkill\n", extra); } } } # ifdef xTRACE if (Trace) { for (i = 0; i < NBANKS; i++) { b = &bank[i]; printf("b%d u%d", i, b->units); if (b->units > 0) printf(" a%.2f s%.2f\n", b->angle, b->spread); else printf("\n"); } } # endif /* actually fire the shots */ Move.free = 0; for (i = 0; i < NBANKS; i++) { b = &bank[i]; if (b->units <= 0) { continue; } printf("\nPhaser bank %d fires:\n", i); n = Etc.nkling; k = Etc.klingon; for (j = 0; j < n; j++) { if (b->units <= 0) break; /* ** The formula for hit is as follows: ** ** zap = OMEGA * [(sigma + ALPHA) * (rho + BETA)] ** / (dist ** 2 + EPSILON)] ** * [cos(delta * sigma) + GAMMA] ** * hit ** ** where sigma is the spread factor, ** rho is a random number (0 -> 1), ** GAMMA is a crud factor for angle (essentially ** cruds up the spread factor), ** delta is the difference in radians between the ** angle you are shooting at and the actual ** angle of the klingon, ** ALPHA scales down the significance of sigma, ** BETA scales down the significance of rho, ** OMEGA is the magic number which makes everything ** up to "* hit" between zero and one, ** dist is the distance to the klingon ** hit is the number of units in the bank, and ** zap is the amount of the actual hit. ** ** Everything up through dist squared should maximize ** at 1.0, so that the distance factor is never ** greater than one. Conveniently, cos() is ** never greater than one, but the same restric- ** tion applies. */ distfactor = BETA + franf(); distfactor *= ALPHA + b->spread; distfactor *= OMEGA; anglefactor = k->dist; distfactor /= anglefactor * anglefactor + EPSILON; distfactor *= b->units; dx = Ship.sectx - k->x; dy = k->y - Ship.secty; anglefactor = atan2(dy, dx) - b->angle; anglefactor = cos((anglefactor * b->spread) + GAMMA); if (anglefactor < 0.0) { k++; continue; } hit = anglefactor * distfactor + 0.5; k->power -= hit; printf("%d unit hit on Klingon", hit); if (!damaged(SRSCAN)) printf(" at %d,%d", k->x, k->y); printf("\n"); b->units -= hit; if (k->power <= 0) { killk(k->x, k->y); continue; } k++; } } /* compute overkill */ for (i = 0; i < NBANKS; i++) extra += bank[i].units; if (extra > 0) printf("\n%d units expended on empty space\n", extra); }
computer() { int ix, iy; register int i, j; int numout; int tqx, tqy; struct cvntab *r; int cost; int course; double dist, time; double warpfact; struct quad *q; register struct event *e; if (check_out(COMPUTER)) return; while (1) { r = getcodpar("\nRequest", Cputab); switch ((int)r->value) { case 1: /* star chart */ printf("Computer record of galaxy for all long range sensor scans\n\n"); printf(" "); /* print top header */ for (i = 0; i < NQUADS; i++) printf("-%d- ", i); printf("\n"); for (i = 0; i < NQUADS; i++) { printf("%d ", i); for (j = 0; j < NQUADS; j++) { if (i == Ship.quadx && j == Ship.quady) { printf("$$$ "); continue; } q = &Quad[i][j]; /* 1000 or 1001 is special case */ if (q->scanned >= 1000) if (q->scanned > 1000) printf(".1. "); else printf("/// "); else if (q->scanned < 0) printf("... "); else printf("%3d ", q->scanned); } printf("%d\n", i); } printf(" "); /* print bottom footer */ for (i = 0; i < NQUADS; i++) printf("-%d- ", i); printf("\n"); break; case 2: /* trajectory */ if (check_out(SRSCAN)) { break; } if (Etc.nkling <= 0) { printf("No Klingons in this quadrant\n"); break; } /* for each Klingon, give the course & distance */ for (i = 0; i < Etc.nkling; i++) { printf("Klingon at %d,%d", Etc.klingon[i].x, Etc.klingon[i].y); course = kalc(Ship.quadx, Ship.quady, Etc.klingon[i].x, Etc.klingon[i].y, &dist); prkalc(course, dist); } break; case 3: /* course calculation */ if (readdelim('/')) { tqx = Ship.quadx; tqy = Ship.quady; } else { ix = getintpar("Quadrant"); if (ix < 0 || ix >= NSECTS) break; iy = getintpar("q-y"); if (iy < 0 || iy >= NSECTS) break; tqx = ix; tqy = iy; } ix = getintpar("Sector"); if (ix < 0 || ix >= NSECTS) break; iy = getintpar("s-y"); if (iy < 0 || iy >= NSECTS) break; course = kalc(tqx, tqy, ix, iy, &dist); if (r->value2) { warp(-1, course, dist); break; } printf("%d,%d/%d,%d to %d,%d/%d,%d", Ship.quadx, Ship.quady, Ship.sectx, Ship.secty, tqx, tqy, ix, iy); prkalc(course, dist); break; case 4: /* score */ score(); break; case 5: /* phaser effectiveness */ dist = getfltpar("range"); if (dist < 0.0) break; dist *= 10.0; cost = pow(0.90, dist) * 98.0 + 0.5; printf("Phasers are %d%% effective at that range\n", cost); break; case 6: /* warp cost (time/energy) */ dist = getfltpar("distance"); if (dist < 0.0) break; warpfact = getfltpar("warp factor"); if (warpfact <= 0.0) warpfact = Ship.warp; cost = (dist + 0.05) * warpfact * warpfact * warpfact; time = Param.warptime * dist / (warpfact * warpfact); printf("Warp %.2f distance %.2f cost %.2f stardates %d (%d w/ shlds up) units\n", warpfact, dist, time, cost, cost + cost); break; case 7: /* impulse cost */ dist = getfltpar("distance"); if (dist < 0.0) break; cost = 20 + 100 * dist; time = dist / 0.095; printf("Distance %.2f cost %.2f stardates %d units\n", dist, time, cost); break; case 8: /* distresslist */ j = 1; printf("\n"); /* scan the event list */ for (i = 0; i < MAXEVENTS; i++) { e = &Event[i]; /* ignore hidden entries */ if (e->evcode & E_HIDDEN) continue; switch (e->evcode & E_EVENT) { case E_KDESB: printf("Klingon is attacking starbase in quadrant %d,%d\n", e->x, e->y); j = 0; break; case E_ENSLV: case E_REPRO: printf("Starsystem %s in quadrant %d,%d is distressed\n", Systemname[e->systemname], e->x, e->y); j = 0; break; } } if (j) printf("No known distress calls are active\n"); break; } /* skip to next semicolon or newline. Semicolon * means get new computer request; newline means * exit computer mode. */ while ((i = cgetc(0)) != ';') { if (i == '\0') exit(1); if (i == '\n') { ungetc(i, stdin); return; } } } }