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kolibrios/programs/games/sstartrek/en/moving.c

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add Super Star Trek Game git-svn-id: svn://kolibrios.org@7142 a494cfbc-eb01-0410-851d-a64ba20cac60
2018-01-29 20:48:37 +01:00
#include "sst.h"
static void getcd(int, int);
void lmove(void) {
double angle, deltax, deltay, bigger, x, y,
finald, finalx, finaly, stopegy;
int oldquadx, oldquady;
int trbeam = 0, n, l, ix, iy, kink, kinks, iquad;
if (inorbit) {
prout("SULU- \"Leaving standard orbit.\"");
inorbit = 0;
}
angle = ((15.0 - direc) * 0.5235988);
deltax = -sin(angle);
deltay = cos(angle);
if (fabs(deltax) > fabs(deltay))
bigger = fabs(deltax);
else
bigger = fabs(deltay);
deltay /= bigger;
deltax /= bigger;
#ifdef CLOAKING
if (iscloaked && d.date+Time >= future[FTBEAM])
{ /* We can't be tracto beamed if cloaked, so move the event into the future */
future[FTBEAM] = d.date + Time +
expran(1.5*intime/d.remcom);
}
#endif
/* If tractor beam is to occur, don't move full distance */
if (d.date+Time >= future[FTBEAM]) {
trbeam = 1;
condit = IHRED;
dist = dist*(future[FTBEAM]-d.date)/Time + 0.1;
Time = future[FTBEAM] - d.date + 1e-5;
}
/* Move within the quadrant */
quad[sectx][secty] = IHDOT;
x = sectx;
y = secty;
n = 10.0*dist*bigger+0.5;
if (n > 0) {
for (l = 1; l <= n; l++) {
ix = (x += deltax) + 0.5;
iy = (y += deltay) + 0.5;
if (ix < 1 || ix > 10 || iy < 1 || iy > 10) {
/* Leaving quadrant -- allow final enemy attack */
/* Don't do it if being pushed by Nova */
if (nenhere != 0 && iattak != 2
#ifdef CLOAKING
&& !iscloaked
#endif
) {
newcnd();
for (l = 1; l <= nenhere; l++) {
finald = sqrt((ix-kx[l])*(double)(ix-kx[l]) +
(iy-ky[l])*(double)(iy-ky[l]));
kavgd[l] = 0.5 * (finald+kdist[l]);
}
if (d.galaxy[quadx][quady] != 1000) attack(0);
if (alldone) return;
}
/* compute final position -- new quadrant and sector */
x = 10*(quadx-1)+sectx;
y = 10*(quady-1)+secty;
ix = x+10.0*dist*bigger*deltax+0.5;
iy = y+10.0*dist*bigger*deltay+0.5;
/* check for edge of galaxy */
kinks = FALSE;
do {
kink = 0;
if (ix <= 0) {
ix = -ix + 1;
kink = 1;
}
if (iy <= 0) {
iy = -iy + 1;
kink = 1;
}
if (ix > 80) {
ix = 161 - ix;
kink = 1;
}
if (iy > 80) {
iy = 161 - iy;
kink = 1;
}
if (kink) kinks = TRUE;
} while (kink);
if (kinks) {
nkinks += 1;
if (nkinks == 3) {
/* Three strikes -- you're out! */
finish(FNEG3);
return;
}
prout("\nYOU HAVE ATTEMPTED TO CROSS THE NEGATIVE ENERGY BARRIER\n"
"AT THE EDGE OF THE GALAXY. THE THIRD TIME YOU TRY THIS,\n"
"YOU WILL BE DESTROYED.\n");
}
/* Compute final position in new quadrant */
if (trbeam) return; /* Don't bother if we are to be beamed */
oldquadx = quadx;
oldquady = quady;
quadx = (ix+9)/10;
quady = (iy+9)/10;
sectx = ix - 10*(quadx-1);
secty = iy - 10*(quady-1);
if (quadx != oldquadx || quady != oldquady) {
proutn("\nEntering");
cramlc(1, quadx, quady);
} else {
prout("(Negative energy barrier disturbs quadrant.)");
}
skip(1);
quad[sectx][secty] = ship;
newqad(0);
return;
}
iquad = quad[ix][iy];
if (iquad != IHDOT) {
/* object encountered in flight path */
stopegy = 50.0*dist/Time;
dist=0.1*sqrt((sectx-ix)*(double)(sectx-ix) +
(secty-iy)*(double)(secty-iy));
switch (iquad) {
case IHT: /* Ram a Tholean */
case IHK: /* Ram enemy ship */
case IHC:
case IHS:
case IHR:
sectx = ix;
secty = iy;
ram(0, iquad, sectx, secty);
finalx = sectx;
finaly = secty;
break;
case IHBLANK:
skip(1);
prouts("***RED ALERT! RED ALERT!");
skip(1);
proutn("***");
crmshp();
proutn(" pulled into black hole at");
cramlc(2, ix, iy);
skip(1);
finish(FHOLE);
return;
default:
/* something else */
skip(1);
crmshp();
if (iquad == IHWEB)
proutn(" encounters Tholian web at");
else
proutn(" blocked by object at");
cramlc(2, ix,iy);
prout(";");
proutn("Emergency stop required ");
cramf(stopegy, 0, 2);
prout(" units of energy.");
energy -= stopegy;
finalx = x-deltax+0.5;
sectx = finalx;
finaly = y-deltay+0.5;
secty = finaly;
if (energy <= 0) {
finish(FNRG);
return;
}
break;
}
goto label100; /* sorry! */ /* ACTUALLY BREAK SHOULD WORK HERE */
}
}
dist = 0.1*sqrt((sectx-ix)*(double)(sectx-ix) +
(secty-iy)*(double)(secty-iy));
sectx = ix;
secty = iy;
}
finalx = sectx; /* THESE STATEMENTS DO NOTHING USEFUL */
finaly = secty;
label100:
/* No quadrant change -- compute new avg enemy distances */
quad[sectx][secty] = ship;
if (nenhere) {
for (l = 1; l <= nenhere; l++) {
finald = sqrt((ix-kx[l])*(double)(ix-kx[l]) +
(iy-ky[l])*(double)(iy-ky[l]));
kavgd[l] = 0.5 * (finald+kdist[l]);
kdist[l] = finald;
}
sortkl();
if (d.galaxy[quadx][quady] != 1000 && iattak == 0)
attack(0);
for (l = 1 ; l <= nenhere; l++) kavgd[l] = kdist[l];
}
newcnd();
iattak = 0;
return;
}
void dock(void) {
chew();
if (condit == IHDOCKED) {
prout("Already docked.");
return;
}
if (inorbit) {
prout("You must first leave standard orbit.");
return;
}
if (basex==0 || abs(sectx-basex) > 1 || abs(secty-basey) > 1) {
crmshp();
prout(" not adjacent to base.");
return;
}
#ifdef CLOAKING
if (iscloaked) {
prout("You cannot dock while cloaked.");
return;
}
#endif
condit = IHDOCKED;
prout("Docked.");
if (energy < inenrg) energy = inenrg;
shield = inshld;
torps = intorps;
lsupres = inlsr;
#ifdef CAPTURE
if (brigcapacity-brigfree > 0)
{
printf("%d captured Klingons transferred to base.\n", brigcapacity-brigfree);
kcaptured += brigcapacity-brigfree;
brigfree = brigcapacity;
}
#endif
if (stdamtim != 1e30 &&
(future[FCDBAS] < 1e30 || isatb == 1) && iseenit == 0) {
/* get attack report from base */
prout("Lt. Uhura- \"Captain, an important message from the starbase:\"");
attakreport();
iseenit = 1;
}
}
static void getcd(int isprobe, int akey) {
/* This program originally required input in terms of a (clock)
direction and distance. Somewhere in history, it was changed to
cartesian coordinates. So we need to convert. I think
"manual" input should still be done this way -- it's a real
pain if the computer isn't working! Manual mode is still confusing
because it involves giving x and y motions, yet the coordinates
are always displayed y - x, where +y is downward! */
int irowq=quadx, icolq=quady, irows, icols, itemp=0, iprompt=0, key;
double xi, xj, xk, xl;
double deltax, deltay;
int automatic = -1;
/* Get course direction and distance. If user types bad values, return
with DIREC = -1.0. */
direc = -1.0;
if (landed == 1 && !isprobe) {
prout("Dummy! You can't leave standard orbit until you");
proutn("are back aboard the ");
crmshp();
prout(".");
chew();
return;
}
while (automatic == -1) {
if (damage[DCOMPTR]) {
if (isprobe)
prout("Computer damaged; manual navigation only");
else
prout("Computer damaged; manual movement only");
chew();
automatic = 0;
key = IHEOL;
break;
}
if (isprobe && akey != -1) {
/* For probe launch, use pre-scaned value first time */
key = akey;
akey = -1;
}
else
key = scan();
if (key == IHEOL) {
proutn("Manual or automatic- ");
iprompt = 1;
chew();
}
else if (key == IHALPHA) {
if (isit("manual")) {
automatic =0;
key = scan();
break;
}
else if (isit("automatic")) {
automatic = 1;
key = scan();
break;
}
else {
huh();
chew();
return;
}
}
else { /* numeric */
if (isprobe)
prout("(Manual navigation assumed.)");
else
prout("(Manual movement assumed.)");
automatic = 0;
break;
}
}
if (automatic) {
while (key == IHEOL) {
if (isprobe)
proutn("Target quadrant or quadrant&sector- ");
else
proutn("Destination sector or quadrant&sector- ");
chew();
iprompt = 1;
key = scan();
}
if (key != IHREAL) {
huh();
return;
}
xi = aaitem;
key = scan();
if (key != IHREAL){
huh();
return;
}
xj = aaitem;
key = scan();
if (key == IHREAL) {
/* both quadrant and sector specified */
xk = aaitem;
key = scan();
if (key != IHREAL) {
huh();
return;
}
xl = aaitem;
irowq = xi + 0.5;
icolq = xj + 0.5;
irows = xk + 0.5;
icols = xl + 0.5;
}
else {
if (isprobe) {
/* only quadrant specified -- go to center of dest quad */
irowq = xi + 0.5;
icolq = xj + 0.5;
irows = icols = 5;
}
else {
irows = xi + 0.5;
icols = xj + 0.5;
}
itemp = 1;
}
if (irowq<1 || irowq > 8 || icolq<1 || icolq > 8 ||
irows<1 || irows > 10 || icols<1 || icols > 10) {
huh();
return;
}
skip(1);
if (!isprobe) {
if (itemp) {
if (iprompt) {
proutn("Helmsman Sulu- \"Course locked in for");
cramlc(2, irows, icols);
prout(".\"");
}
}
else prout("Ensign Chekov- \"Course laid in, Captain.\"");
}
deltax = icolq - quady + 0.1*(icols-secty);
deltay = quadx - irowq + 0.1*(sectx-irows);
}
else { /* manual */
while (key == IHEOL) {
proutn("X and Y displacements- ");
chew();
iprompt = 1;
key = scan();
}
itemp = 2;
if (key != IHREAL) {
huh();
return;
}
deltax = aaitem;
key = scan();
if (key == IHEOL) {
deltay = 0.0;
} else if (key != IHREAL) {
huh();
return;
} else {
deltay = aaitem;
}
if (coordfixed) {
double temp = deltax;
deltax = deltay;
deltay = -temp;
}
}
/* Check for zero movement */
if (deltax == 0 && deltay == 0) {
chew();
return;
}
if (itemp == 2 && !isprobe) {
skip(1);
prout("Helmsman Sulu- \"Aye, Sir.\"");
}
dist = sqrt(deltax*deltax + deltay*deltay);
direc = atan2(deltax, deltay)*1.90985932;
if (direc < 0.0) direc += 12.0;
chew();
return;
}
void impuls(void) {
double power;
ididit = 0;
if (damage[DIMPULS]) {
chew();
skip(1);
prout("Engineer Scott- \"The impulse engines are damaged, Sir.\"");
return;
}
if (energy > 30.0) {
getcd(FALSE, 0);
if (direc == -1.0) return;
power = 20.0 + 100.0*dist;
}
else
power = 30.0;
if (power >= energy) {
/* Insufficient power for trip */
skip(1);
prout("First Officer Spock- \"Captain, the impulse engines");
prout("require 20.0 units to engage, plus 100.0 units per");
if (energy > 30) {
proutn("quadrant. We can go, therefore, a maximum of ");
cramf(0.01 * (energy-20.0)-0.05, 0, 1);
prout(" quadrants.\"");
}
else {
prout("quadrant. They are, therefore, useless.\"");
}
chew();
return;
}
/* Make sure enough time is left for the trip */
Time = dist/0.095;
if (Time >= d.remtime) {
prout("First Officer Spock- \"Captain, our speed under impulse");
prout("power is only 0.95 sectors per stardate. Are you sure");
prout("we dare spend the time?\"");
if (ja() == 0) { Time = 0.0; return;}
}
/* Activate impulse engines and pay the cost */
lmove();
ididit = 1;
if (alldone) return;
power = 20.0 + 100.0*dist;
energy -= power;
// Time = dist/0.095; Don't recalculate because lmove may have
// adjusted it for tractor beaming
if (energy <= 0) finish(FNRG);
return;
}
void warp(int i) {
int blooey=0, twarp=0, iwarp;
double power;
if (i!=2) { /* Not WARPX entry */
ididit = 0;
#ifdef CLOAKING
if (iscloaked) {
chew();
skip(1);
prout("Engineer Scott- \"The warp engines can better not be used while cloaked, Sir.\"");
return;
}
#endif
if (damage[DWARPEN] > 10.0) {
chew();
skip(1);
prout("Engineer Scott- \"The warp engines are damaged, Sir.\""); // Was "Impulse" 10/2013
return;
}
if (damage[DWARPEN] > 0.0 && warpfac > 4.0) {
chew();
skip(1);
prout("Engineer Scott- \"Sorry, Captain. Until this damage");
prout(" is repaired, I can only give you warp 4.\"");
return;
}
/* Read in course and distance */
getcd(FALSE, 0);
if (direc == -1.0) return;
/* Make sure starship has enough energy for the trip */
power = (dist+0.05)*warpfac*warpfac*warpfac*(shldup+1);
if (power >= energy) {
/* Insufficient power for trip */
ididit = 0;
skip(1);
prout("Engineering to bridge--");
if (shldup==0 || 0.5*power > energy) {
iwarp = pow((energy/(dist+0.05)), 0.333333333);
if (iwarp <= 0) {
prout("We can't do it, Captain. We haven't the energy.");
}
else {
proutn("We haven't the energy, but we could do it at warp ");
crami(iwarp, 1);
if (shldup)
prout(",\nif you'll lower the shields.");
else
prout(".");
}
}
else
prout("We haven't the energy to go that far with the shields up.");
return;
}
/* Make sure enough time is left for the trip */
Time = 10.0*dist/wfacsq;
if (Time >= 0.8*d.remtime) {
skip(1);
prout("First Officer Spock- \"Captain, I compute that such");
proutn(" a trip would require approximately ");
cramf(100.0*Time/d.remtime, 0, 2);
prout(" percent of our");
prout(" remaining time. Are you sure this is wise?\"");
if (ja() == 0) { Time = 0.0; return;}
}
}
/* Entry WARPX */
if (warpfac > 6.0) {
/* Decide if engine damage will occur */
double prob = dist*(6.0-warpfac)*(6.0-warpfac)/66.666666666;
if (prob > Rand()) {
blooey = 1;
dist = Rand()*dist;
}
/* Decide if time warp will occur */
if (0.5*dist*pow(7.0,warpfac-10.0) > Rand()) twarp=1;
#ifdef DEBUG
if (idebug &&warpfac==10 && twarp==0) {
blooey=0;
proutn("Force time warp? ");
if (ja()==1) twarp=1;
}
#endif
if (blooey || twarp) {
/* If time warp or engine damage, check path */
/* If it is obstructed, don't do warp or damage */
double angle = ((15.0-direc)*0.5235998);
double deltax = -sin(angle);
double deltay = cos(angle);
double bigger, x, y;
int n, l, ix, iy;
if (fabs(deltax) > fabs(deltay))
bigger = fabs(deltax);
else
bigger = fabs(deltay);
deltax /= bigger;
deltay /= bigger;
n = 10.0 * dist * bigger +0.5;
x = sectx;
y = secty;
for (l = 1; l <= n; l++) {
x += deltax;
ix = x + 0.5;
if (ix < 1 || ix > 10) break;
y += deltay;
iy = y +0.5;
if (iy < 1 || iy > 10) break;
if (quad[ix][iy] != IHDOT) {
blooey = 0;
twarp = 0;
}
}
}
}
/* Activate Warp Engines and pay the cost */
lmove();
if (alldone) return;
energy -= dist*warpfac*warpfac*warpfac*(shldup+1);
if (energy <= 0) finish(FNRG);
Time = 10.0*dist/wfacsq;
if (twarp) timwrp();
if (blooey) {
damage[DWARPEN] = damfac*(3.0*Rand()+1.0);
skip(1);
prout("Engineering to bridge--");
prout(" Scott here. The warp engines are damaged.");
prout(" We'll have to reduce speed to warp 4.");
}
ididit = 1;
return;
}
void setwrp(void) {
int key;
double oldfac;
while ((key=scan()) == IHEOL) {
chew();
proutn("Warp factor-");
}
chew();
if (key != IHREAL) {
huh();
return;
}
if (damage[DWARPEN] > 10.0) {
prout("Warp engines inoperative.");
return;
}
if (damage[DWARPEN] > 0.0 && aaitem > 4.0) {
prout("Engineer Scott- \"I'm doing my best, Captain,\n"
" but right now we can only go warp 4.\"");
return;
}
if (aaitem > 10.0) {
prout("Helmsman Sulu- \"Our top speed is warp 10, Captain.\"");
return;
}
if (aaitem < 1.0) {
prout("Helmsman Sulu- \"We can't go below warp 1, Captain.\"");
return;
}
oldfac = warpfac;
warpfac = aaitem;
wfacsq=warpfac*warpfac;
if (warpfac <= oldfac || warpfac <= 6.0) {
proutn("Helmsman Sulu- \"Warp factor ");
cramf(warpfac, 0, 1);
prout(", Captain.\"");
return;
}
if (warpfac < 8.00) {
prout("Engineer Scott- \"Aye, but our maximum safe speed is warp 6.\"");
return;
}
if (warpfac == 10.0) {
prout("Engineer Scott- \"Aye, Captain, we'll try it.\"");
return;
}
prout("Engineer Scott- \"Aye, Captain, but our engines may not take it.\"");
return;
}
void atover(int igrab) {
double power, distreq;
chew();
/* is captain on planet? */
if (landed==1) {
if (damage[DTRANSP]) {
finish(FPNOVA);
return;
}
prout("Scotty rushes to the transporter controls.");
if (shldup) {
prout("But with the shields up it's hopeless.");
finish(FPNOVA);
}
prouts("His desperate attempt to rescue you . . .");
if (Rand() <= 0.5) {
prout("fails.");
finish(FPNOVA);
return;
}
prout("SUCCEEDS!");
if (imine) {
imine = 0;
proutn("The crystals mined were ");
if (Rand() <= 0.25) {
prout("lost.");
}
else {
prout("saved.");
icrystl = 1;
}
}
}
if (igrab) return;
/* Check to see if captain in shuttle craft */
if (icraft) finish(FSTRACTOR);
if (alldone) return;
/* Inform captain of attempt to reach safety */
skip(1);
do {
if (justin) {
prouts("***RED ALERT! RED ALERT!");
skip(1);
proutn("The ");
crmshp();
prout(" has stopped in a quadrant containing");
prouts(" a supernova.");
skip(2);
}
proutn("***Emergency automatic override attempts to hurl ");
crmshp();
skip(1);
prout("safely out of quadrant.");
starch[quadx][quady] = damage[DRADIO] > 0.0 ? d.galaxy[quadx][quady]+1000:1;
/* Try to use warp engines */
if (damage[DWARPEN]) {
skip(1);
prout("Warp engines damaged.");
finish(FSNOVAED);
return;
}
warpfac = 6.0+2.0*Rand();
wfacsq = warpfac * warpfac;
proutn("Warp factor set to ");
cramf(warpfac, 1, 1);
skip(1);
power = 0.75*energy;
dist = power/(warpfac*warpfac*warpfac*(shldup+1));
distreq = 1.4142+Rand();
if (distreq < dist) dist = distreq;
Time = 10.0*dist/wfacsq;
direc = 12.0*Rand(); /* How dumb! */
justin = 0;
inorbit = 0;
warp(2);
if (justin == 0) {
/* This is bad news, we didn't leave quadrant. */
if (alldone) return;
skip(1);
prout("Insufficient energy to leave quadrant.");
finish(FSNOVAED);
return;
}
/* Repeat if another snova */
} while (d.galaxy[quadx][quady] == 1000);
if (d.remkl==0) finish(FWON); /* Snova killed remaining enemy. */
}
void timwrp() {
int l, ll, gotit;
prout("***TIME WARP ENTERED.");
if (d.snap && Rand() < 0.5) {
/* Go back in time */
proutn("You are traveling backwards in time ");
cramf(d.date-snapsht.date, 0, 2);
prout(" stardates.");
d = snapsht;
d.snap = 0;
if (d.remcom) {
future[FTBEAM] = d.date + expran(intime/d.remcom);
future[FBATTAK] = d.date + expran(0.3*intime);
}
future[FSNOVA] = d.date + expran(0.5*intime);
future[FSNAP] = d.date +expran(0.25*d.remtime); /* next snapshot will
be sooner */
if (d.nscrem) future[FSCMOVE] = 0.2777;
isatb = 0;
future[FCDBAS] = future[FSCDBAS] = 1e30;
batx = baty = 0;
/* Make sure Galileo is consistant -- Snapshot may have been taken
when on planet, which would give us two Galileos! */
gotit = 0;
for (l = 1; l <= inplan; l++) {
if (d.plnets[l].known == 2) {
gotit = 1;
if (iscraft==1 && ship==IHE) {
prout("Checkov- \"Security reports the Galileo has disappeared, Sir!");
iscraft = 0;
}
}
}
/* Likewise, if in the original time the Galileo was abandoned, but
was on ship earlier, it would have vanished -- lets restore it */
if (iscraft==0 && gotit==0 && damage[DSHUTTL] >= 0.0) {
prout("Checkov- \"Security reports the Galileo has reappeared in the dock!\"");
iscraft = 1;
}
/* Revert star chart to earlier era, if it was known then*/
if (damage[DRADIO]==0.0 || stdamtim > d.date) {
for (l = 1; l <= 8; l++)
for (ll = 1; ll <= 8; ll++)
if (starch[l][ll] > 1)
starch[l][ll]=damage[DRADIO]>0.0 ? d.galaxy[l][ll]+1000 :1;
prout("Spock has reconstructed a correct star chart from memory");
if (damage[DRADIO] > 0.0) stdamtim = d.date;
}
}
else {
/* Go forward in time */
Time = -0.5*intime*log(Rand());
proutn("You are traveling forward in time ");
cramf(Time, 1, 2);
prout(" stardates.");
/* cheat to make sure no tractor beams occur during time warp */
future[FTBEAM] += Time;
damage[DRADIO] += Time;
}
newqad(0);
}
void probe(void) {
double angle, bigger;
int key;
/* New code to launch a deep space probe */
if (nprobes == 0) {
chew();
skip(1);
if (ship == IHE)
prout("Engineer Scott- \"We have no more deep space probes, Sir.\"");
else
prout("Ye Faerie Queene has no deep space probes.");
return;
}
if (damage[DDSP] != 0.0) {
chew();
skip(1);
prout("Engineer Scott- \"The probe launcher is damaged, Sir.\"");
return;
}
if (future[FDSPROB] != 1e30) {
chew();
skip(1);
if (REPORTS) {
prout("Uhura- \"The previous probe is still reporting data, Sir.\"");
} else {
prout("Spock- \"Records show the previous probe has not yet");
prout(" reached its destination.\"");
}
return;
}
key = scan();
if (key == IHEOL) {
/* slow mode, so let Kirk know how many probes there are left */
crami(nprobes,1);
prout(nprobes==1 ? " probe left." : " probes left.");
proutn("Are you sure you want to fire a probe? ");
if (ja()==0) return;
}
isarmed = FALSE;
if (key == IHALPHA && strcmp(citem,"armed") == 0) {
isarmed = TRUE;
key = scan();
}
else if (key == IHEOL) {
proutn("Arm NOVAMAX warhead?");
isarmed = ja();
}
getcd(TRUE, key);
if (direc == -1.0) return;
nprobes--;
angle = ((15.0 - direc) * 0.5235988);
probeinx = -sin(angle);
probeiny = cos(angle);
if (fabs(probeinx) > fabs(probeiny))
bigger = fabs(probeinx);
else
bigger = fabs(probeiny);
probeiny /= bigger;
probeinx /= bigger;
proben = 10.0*dist*bigger +0.5;
probex = quadx*10 + sectx - 1; // We will use better packing than original
probey = quady*10 + secty - 1;
probecx = quadx;
probecy = quady;
future[FDSPROB] = d.date + 0.01; // Time to move one sector
prout("Ensign Chekov- \"The deep space probe is launched, Captain.\"");
return;
}
void help(void) {
/* There's more than one way to move in this game! */
double ddist, xdist, probf;
int line, l, ix, iy;
chew();
/* Test for conditions which prevent calling for help */
if (condit == IHDOCKED) {
prout("Lt. Uhura- \"But Captain, we're already docked.\"");
return;
}
if (damage[DRADIO] != 0) {
prout("Subspace radio damaged.");
return;
}
if (d.rembase==0) {
prout("Lt. Uhura- \"Captain, I'm not getting any response from Starbase.\"");
return;
}
if (landed == 1) {
proutn("You must be aboard the ");
crmshp();
prout(".");
return;
}
/* OK -- call for help from nearest starbase */
nhelp++;
if (basex!=0) {
/* There's one in this quadrant */
ddist = sqrt(square(basex-sectx)+square(basey-secty));
}
else {
ddist = 1e30;
for (l = 1; l <= d.rembase; l++) {
xdist=10.0*sqrt(square(d.baseqx[l]-quadx)+square(d.baseqy[l]-quady));
if (xdist < ddist) {
ddist = xdist;
line = l;
}
}
/* Since starbase not in quadrant, set up new quadrant */
quadx = d.baseqx[line];
quady = d.baseqy[line];
newqad(1);
}
/* dematerialize starship */
quad[sectx][secty]=IHDOT;
proutn("Starbase in");
cramlc(1, quadx, quady);
proutn(" responds--");
crmshp();
prout(" dematerializes.");
/* Give starbase three chances to rematerialize starship */
probf = pow((1.0 - pow(0.98,ddist)), 0.33333333);
for (l = 1; l <= 3; l++) {
switch (l) {
case 1: proutn("1st"); break;
case 2: proutn("2nd"); break;
case 3: proutn("3rd"); break;
}
proutn(" attempt to re-materialize ");
crmshp();
prouts(" . . . . . ");
if (Rand() > probf) break;
prout("fails.");
}
if (l > 3) {
finish(FMATERIALIZE);
return;
}
/* Rematerialization attempt should succeed if can get adj to base */
for (l = 1; l <= 5; l++) {
ix = basex+3.0*Rand()-1;
iy = basey+3.0*Rand()-1;
if (ix>=1 && ix<=10 && iy>=1 && iy<=10 && quad[ix][iy]==IHDOT) {
/* found one -- finish up */
prout("succeeds.");
sectx=ix;
secty=iy;
quad[ix][iy]=ship;
dock();
skip(1);
prout("Lt. Uhura- \"Captain, we made it!\"");
return;
}
}
finish(FMATERIALIZE);
return;
}
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