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freebsd-dev/games/adventure/subr.c
Jordan K. Hubbard 554eb505f8 Bring in the 4.4 Lite games directory, modulo man page changes and segregation 
of the x11 based games.  I'm not going to tag the originals with bsd_44_lite
and do this in two stages since it's just not worth it for this collection,
and I've got directory renames to deal with that way.  Bleah.
Submitted by:	jkh
1994-09-04 04:03:31 +00:00

829 lines
20 KiB
C
Raw Blame History

/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* The game adventure was originally written in Fortran by Will Crowther
* and Don Woods. It was later translated to C and enhanced by Jim
* Gillogly. This code is derived from software contributed to Berkeley
* by Jim Gillogly at The Rand Corporation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
static char sccsid[] = "@(#)subr.c 8.1 (Berkeley) 5/31/93";
#endif /* not lint */
/* Re-coding of advent in C: subroutines from main */
# include "hdr.h"
/* Statement functions */
toting(objj)
int objj;
{ if (place[objj] == -1) return(TRUE);
else return(FALSE);
}
here(objj)
int objj;
{ if (place[objj]==loc || toting(objj)) return(TRUE);
else return(FALSE);
}
at(objj)
int objj;
{ if (place[objj]==loc || fixed[objj]==loc) return(TRUE);
else return (FALSE);
}
liq2(pbotl)
int pbotl;
{ return((1-pbotl)*water+(pbotl/2)*(water+oil));
}
liq(foo)
{ register int i;
i=prop[bottle];
if (i>-1-i) return(liq2(i));
else return(liq2(-1-i));
}
liqloc(locc) /* may want to clean this one up a bit */
int locc;
{ register int i,j,l;
i=cond[locc]/2;
j=((i*2)%8)-5;
l=cond[locc]/4;
l=l%2;
return(liq2(j*l+1));
}
bitset(l,n)
int l,n;
{ if (cond[l] & setbit[n]) return(TRUE);
return(FALSE);
}
forced(locc)
int locc;
{ if (cond[locc]==2) return(TRUE);
return(FALSE);
}
dark(foo)
{ if ((cond[loc]%2)==0 && (prop[lamp]==0 || !here(lamp)))
return(TRUE);
return(FALSE);
}
pct(n)
int n;
{ if (ran(100)<n) return(TRUE);
return(FALSE);
}
fdwarf() /* 71 */
{ register int i,j;
register struct travlist *kk;
if (newloc!=loc&&!forced(loc)&&!bitset(loc,3))
{ for (i=1; i<=5; i++)
{ if (odloc[i]!=newloc||!dseen[i]) continue;
newloc=loc;
rspeak(2);
break;
}
}
loc=newloc; /* 74 */
if (loc==0||forced(loc)||bitset(newloc,3)) return(2000);
if (dflag==0)
{ if (loc>=15) dflag=1;
return(2000);
}
if (dflag==1) /* 6000 */
{ if (loc<15||pct(95)) return(2000);
dflag=2;
for (i=1; i<=2; i++)
{ j=1+ran(5);
if (pct(50)&&saved== -1) dloc[j]=0; /* 6001 */
}
for (i=1; i<=5; i++)
{ if (dloc[i]==loc) dloc[i]=daltlc;
odloc[i]=dloc[i]; /* 6002 */
}
rspeak(3);
drop(axe,loc);
return(2000);
}
dtotal=attack=stick=0; /* 6010 */
for (i=1; i<=6; i++) /* loop to 6030 */
{ if (dloc[i]==0) continue;
j=1;
for (kk=travel[dloc[i]]; kk!=0; kk=kk->next)
{ newloc=kk->tloc;
if (newloc>300||newloc<15||newloc==odloc[i]
||(j>1&&newloc==tk[j-1])||j>=20
||newloc==dloc[i]||forced(newloc)
||(i==6&&bitset(newloc,3))
||kk->conditions==100) continue;
tk[j++]=newloc;
}
tk[j]=odloc[i]; /* 6016 */
if (j>=2) j--;
j=1+ran(j);
odloc[i]=dloc[i];
dloc[i]=tk[j];
dseen[i]=(dseen[i]&&loc>=15)||(dloc[i]==loc||odloc[i]==loc);
if (!dseen[i]) continue; /* i.e. goto 6030 */
dloc[i]=loc;
if (i==6) /* pirate's spotted him */
{ if (loc==chloc||prop[chest]>=0) continue;
k=0;
for (j=50; j<=maxtrs; j++) /* loop to 6020 */
{ if (j==pyram&&(loc==plac[pyram]
|| loc==plac[emrald])) goto l6020;
if (toting(j)) goto l6022;
l6020: if (here(j)) k=1;
} /* 6020 */
if (tally==tally2+1 && k==0 && place[chest]==0
&&here(lamp) && prop[lamp]==1) goto l6025;
if (odloc[6]!=dloc[6]&&pct(20))
rspeak(127);
continue; /* to 6030 */
l6022: rspeak(128);
if (place[messag]==0) move(chest,chloc);
move(messag,chloc2);
for (j=50; j<=maxtrs; j++) /* loop to 6023 */
{ if (j==pyram && (loc==plac[pyram]
|| loc==plac[emrald])) continue;
if (at(j)&&fixed[j]==0) carry(j,loc);
if (toting(j)) drop(j,chloc);
}
l6024: dloc[6]=odloc[6]=chloc;
dseen[6]=FALSE;
continue;
l6025: rspeak(186);
move(chest,chloc);
move(messag,chloc2);
goto l6024;
}
dtotal++; /* 6027 */
if (odloc[i]!=dloc[i]) continue;
attack++;
if (knfloc>=0) knfloc=loc;
if (ran(1000)<95*(dflag-2)) stick++;
} /* 6030 */
if (dtotal==0) return(2000);
if (dtotal!=1)
{ printf("There are %d threatening little dwarves ",dtotal);
printf("in the room with you.\n");
}
else rspeak(4);
if (attack==0) return(2000);
if (dflag==2) dflag=3;
if (saved!= -1) dflag=20;
if (attack!=1)
{ printf("%d of them throw knives at you!\n",attack);
k=6;
l82: if (stick<=1) /* 82 */
{ rspeak(k+stick);
if (stick==0) return(2000);
}
else
printf("%d of them get you!\n",stick); /* 83 */
oldlc2=loc;
return(99);
}
rspeak(5);
k=52;
goto l82;
}
march() /* label 8 */
{ register int ll1,ll2;
if ((tkk=travel[newloc=loc])==0) bug(26);
if (k==null) return(2);
if (k==cave) /* 40 */
{ if (loc<8) rspeak(57);
if (loc>=8) rspeak(58);
return(2);
}
if (k==look) /* 30 */
{ if (detail++<3) rspeak(15);
wzdark=FALSE;
abb[loc]=0;
return(2);
}
if (k==back) /* 20 */
{ switch(mback())
{ case 2: return(2);
case 9: goto l9;
default: bug(100);
}
}
oldlc2=oldloc;
oldloc=loc;
l9:
for (; tkk!=0; tkk=tkk->next)
if (tkk->tverb==1 || tkk->tverb==k) break;
if (tkk==0)
{ badmove();
return(2);
}
l11: ll1=tkk->conditions; /* 11 */
ll2=tkk->tloc;
newloc=ll1; /* newloc=conditions */
k=newloc%100; /* k used for prob */
if (newloc<=300)
{ if (newloc<=100) /* 13 */
{ if (newloc!=0&&!pct(newloc)) goto l12; /* 14 */
l16: newloc=ll2; /* newloc=location */
if (newloc<=300) return(2);
if (newloc<=500)
switch(specials())/* to 30000 */
{ case 2: return(2);
case 12: goto l12;
case 99: return(99);
default: bug(101);
}
rspeak(newloc-500);
newloc=loc;
return(2);
}
if (toting(k)||(newloc>200&&at(k))) goto l16;
goto l12;
}
if (prop[k]!=(newloc/100)-3) goto l16; /* newloc still conditions*/
l12: /* alternative to probability move */
for (; tkk!=0; tkk=tkk->next)
if (tkk->tloc!=ll2 || tkk->conditions!=ll1) break;
if (tkk==0) bug(25);
goto l11;
}
mback() /* 20 */
{ register struct travlist *tk2,*j;
register int ll;
if (forced(k=oldloc)) k=oldlc2; /* k=location */
oldlc2=oldloc;
oldloc=loc;
tk2=0;
if (k==loc)
{ rspeak(91);
return(2);
}
for (; tkk!=0; tkk=tkk->next) /* 21 */
{ ll=tkk->tloc;
if (ll==k)
{ k=tkk->tverb; /* k back to verb */
tkk=travel[loc];
return(9);
}
if (ll<=300)
{ j=travel[loc];
if (forced(ll) && k==j->tloc) tk2=tkk;
}
}
tkk=tk2; /* 23 */
if (tkk!=0)
{ k=tkk->tverb;
tkk=travel[loc];
return(9);
}
rspeak(140);
return(2);
}
specials() /* 30000 */
{ switch(newloc -= 300)
{ case 1: /* 30100 */
newloc = 99+100-loc;
if (holdng==0||(holdng==1&&toting(emrald))) return(2);
newloc=loc;
rspeak(117);
return(2);
case 2: /* 30200 */
drop(emrald,loc);
return(12);
case 3: /* to 30300 */
return(trbridge());
default: bug(29);
}
}
trbridge() /* 30300 */
{ if (prop[troll]==1)
{ pspeak(troll,1);
prop[troll]=0;
move(troll2,0);
move(troll2+100,0);
move(troll,plac[troll]);
move(troll+100,fixd[troll]);
juggle(chasm);
newloc=loc;
return(2);
}
newloc=plac[troll]+fixd[troll]-loc; /* 30310 */
if (prop[troll]==0) prop[troll]=1;
if (!toting(bear)) return(2);
rspeak(162);
prop[chasm]=1;
prop[troll]=2;
drop(bear,newloc);
fixed[bear] = -1;
prop[bear]=3;
if (prop[spices]<0) tally2++;
oldlc2=newloc;
return(99);
}
badmove() /* 20 */
{ spk=12;
if (k>=43 && k<=50) spk=9;
if (k==29||k==30) spk=9;
if (k==7||k==36||k==37) spk=10;
if (k==11||k==19) spk=11;
if (verb==find||verb==invent) spk=59;
if (k==62||k==65) spk=42;
if (k==17) spk=80;
rspeak(spk);
return(2);
}
bug(n)
int n;
{ printf("Please tell jim@rand.org that fatal bug %d happened.\n",n);
exit(0);
}
checkhints() /* 2600 &c */
{ register int hint;
for (hint=4; hint<=hntmax; hint++)
{ if (hinted[hint]) continue;
if (!bitset(loc,hint)) hintlc[hint]= -1;
hintlc[hint]++;
if (hintlc[hint]<hints[hint][1]) continue;
switch(hint)
{ case 4: /* 40400 */
if (prop[grate]==0&&!here(keys)) goto l40010;
goto l40020;
case 5: /* 40500 */
if (here(bird)&&toting(rod)&&obj==bird) goto l40010;
continue; /* i.e. goto l40030 */
case 6: /* 40600 */
if (here(snake)&&!here(bird)) goto l40010;
goto l40020;
case 7: /* 40700 */
if (atloc[loc]==0&&atloc[oldloc]==0
&& atloc[oldlc2]==0&&holdng>1) goto l40010;
goto l40020;
case 8: /* 40800 */
if (prop[emrald]!= -1&&prop[pyram]== -1) goto l40010;
goto l40020;
case 9:
goto l40010; /* 40900 */
default: bug(27);
}
l40010: hintlc[hint]=0;
if (!yes(hints[hint][3],0,54)) continue;
printf("I am prepared to give you a hint, but it will ");
printf("cost you %d points.\n",hints[hint][2]);
hinted[hint]=yes(175,hints[hint][4],54);
l40020: hintlc[hint]=0;
}
}
trsay() /* 9030 */
{ register int i;
if (*wd2!=0) copystr(wd2,wd1);
i=vocab(wd1,-1);
if (i==62||i==65||i==71||i==2025)
{ *wd2=0;
obj=0;
return(2630);
}
printf("\nOkay, \"%s\".\n",wd2);
return(2012);
}
trtake() /* 9010 */
{ register int i;
if (toting(obj)) return(2011); /* 9010 */
spk=25;
if (obj==plant&&prop[plant]<=0) spk=115;
if (obj==bear&&prop[bear]==1) spk=169;
if (obj==chain&&prop[bear]!=0) spk=170;
if (fixed[obj]!=0) return(2011);
if (obj==water||obj==oil)
{ if (here(bottle)&&liq(0)==obj)
{ obj=bottle;
goto l9017;
}
obj=bottle;
if (toting(bottle)&&prop[bottle]==1)
return(9220);
if (prop[bottle]!=1) spk=105;
if (!toting(bottle)) spk=104;
return(2011);
}
l9017: if (holdng>=7)
{ rspeak(92);
return(2012);
}
if (obj==bird)
{ if (prop[bird]!=0) goto l9014;
if (toting(rod))
{ rspeak(26);
return(2012);
}
if (!toting(cage)) /* 9013 */
{ rspeak(27);
return(2012);
}
prop[bird]=1; /* 9015 */
}
l9014: if ((obj==bird||obj==cage)&&prop[bird]!=0)
carry(bird+cage-obj,loc);
carry(obj,loc);
k=liq(0);
if (obj==bottle && k!=0) place[k] = -1;
return(2009);
}
dropper() /* 9021 */
{ k=liq(0);
if (k==obj) obj=bottle;
if (obj==bottle&&k!=0) place[k]=0;
if (obj==cage&&prop[bird]!=0) drop(bird,loc);
if (obj==bird) prop[bird]=0;
drop(obj,loc);
return(2012);
}
trdrop() /* 9020 */
{
if (toting(rod2)&&obj==rod&&!toting(rod)) obj=rod2;
if (!toting(obj)) return(2011);
if (obj==bird&&here(snake))
{ rspeak(30);
if (closed) return(19000);
dstroy(snake);
prop[snake]=1;
return(dropper());
}
if (obj==coins&&here(vend)) /* 9024 */
{ dstroy(coins);
drop(batter,loc);
pspeak(batter,0);
return(2012);
}
if (obj==bird&&at(dragon)&&prop[dragon]==0) /* 9025 */
{ rspeak(154);
dstroy(bird);
prop[bird]=0;
if (place[snake]==plac[snake]) tally2--;
return(2012);
}
if (obj==bear&&at(troll)) /* 9026 */
{ rspeak(163);
move(troll,0);
move(troll+100,0);
move(troll2,plac[troll]);
move(troll2+100,fixd[troll]);
juggle(chasm);
prop[troll]=2;
return(dropper());
}
if (obj!=vase||loc==plac[pillow]) /* 9027 */
{ rspeak(54);
return(dropper());
}
prop[vase]=2; /* 9028 */
if (at(pillow)) prop[vase]=0;
pspeak(vase,prop[vase]+1);
if (prop[vase]!=0) fixed[vase] = -1;
return(dropper());
}
tropen() /* 9040 */
{ if (obj==clam||obj==oyster)
{ k=0; /* 9046 */
if (obj==oyster) k=1;
spk=124+k;
if (toting(obj)) spk=120+k;
if (!toting(tridnt)) spk=122+k;
if (verb==lock) spk=61;
if (spk!=124) return(2011);
dstroy(clam);
drop(oyster,loc);
drop(pearl,105);
return(2011);
}
if (obj==door) spk=111;
if (obj==door&&prop[door]==1) spk=54;
if (obj==cage) spk=32;
if (obj==keys) spk=55;
if (obj==grate||obj==chain) spk=31;
if (spk!=31||!here(keys)) return(2011);
if (obj==chain)
{ if (verb==lock)
{ spk=172; /* 9049: lock */
if (prop[chain]!=0) spk=34;
if (loc!=plac[chain]) spk=173;
if (spk!=172) return(2011);
prop[chain]=2;
if (toting(chain)) drop(chain,loc);
fixed[chain]= -1;
return(2011);
}
spk=171;
if (prop[bear]==0) spk=41;
if (prop[chain]==0) spk=37;
if (spk!=171) return(2011);
prop[chain]=0;
fixed[chain]=0;
if (prop[bear]!=3) prop[bear]=2;
fixed[bear]=2-prop[bear];
return(2011);
}
if (closng)
{ k=130;
if (!panic) clock2=15;
panic=TRUE;
return(2010);
}
k=34+prop[grate]; /* 9043 */
prop[grate]=1;
if (verb==lock) prop[grate]=0;
k=k+2*prop[grate];
return(2010);
}
trkill() /* 9120 */
{ register int i;
for (i=1; i<=5; i++)
if (dloc[i]==loc&&dflag>=2) break;
if (i==6) i=0;
if (obj==0) /* 9122 */
{ if (i!=0) obj=dwarf;
if (here(snake)) obj=obj*100+snake;
if (at(dragon)&&prop[dragon]==0) obj=obj*100+dragon;
if (at(troll)) obj=obj*100+troll;
if (here(bear)&&prop[bear]==0) obj=obj*100+bear;
if (obj>100) return(8000);
if (obj==0)
{ if (here(bird)&&verb!=throw) obj=bird;
if (here(clam)||here(oyster)) obj=100*obj+clam;
if (obj>100) return(8000);
}
}
if (obj==bird) /* 9124 */
{ spk=137;
if (closed) return(2011);
dstroy(bird);
prop[bird]=0;
if (place[snake]==plac[snake]) tally2++;
spk=45;
}
if (obj==0) spk=44; /* 9125 */
if (obj==clam||obj==oyster) spk=150;
if (obj==snake) spk=46;
if (obj==dwarf) spk=49;
if (obj==dwarf&&closed) return(19000);
if (obj==dragon) spk=147;
if (obj==troll) spk=157;
if (obj==bear) spk=165+(prop[bear]+1)/2;
if (obj!=dragon||prop[dragon]!=0) return(2011);
rspeak(49);
verb=0;
obj=0;
getin(&wd1,&wd2);
if (!weq(wd1,"y")&&!weq(wd1,"yes")) return(2608);
pspeak(dragon,1);
prop[dragon]=2;
prop[rug]=0;
k=(plac[dragon]+fixd[dragon])/2;
move(dragon+100,-1);
move(rug+100,0);
move(dragon,k);
move(rug,k);
for (obj=1; obj<=100; obj++)
if (place[obj]==plac[dragon]||place[obj]==fixd[dragon])
move(obj,k);
loc=k;
k=null;
return(8);
}
trtoss() /* 9170: throw */
{ register int i;
if (toting(rod2)&&obj==rod&&!toting(rod)) obj=rod2;
if (!toting(obj)) return(2011);
if (obj>=50&&obj<=maxtrs&&at(troll))
{ spk=159; /* 9178 */
drop(obj,0);
move(troll,0);
move(troll+100,0);
drop(troll2,plac[troll]);
drop(troll2+100,fixd[troll]);
juggle(chasm);
return(2011);
}
if (obj==food&&here(bear))
{ obj=bear; /* 9177 */
return(9210);
}
if (obj!=axe) return(9020);
for (i=1; i<=5; i++)
{ if (dloc[i]==loc)
{ spk=48; /* 9172 */
if (ran(3)==0||saved!= -1)
l9175: { rspeak(spk);
drop(axe,loc);
k=null;
return(8);
}
dseen[i]=FALSE;
dloc[i]=0;
spk=47;
dkill++;
if (dkill==1) spk=149;
goto l9175;
}
}
spk=152;
if (at(dragon)&&prop[dragon]==0)
goto l9175;
spk=158;
if (at(troll)) goto l9175;
if (here(bear)&&prop[bear]==0)
{ spk=164;
drop(axe,loc);
fixed[axe]= -1;
prop[axe]=1;
juggle(bear);
return(2011);
}
obj=0;
return(9120);
}
trfeed() /* 9210 */
{ if (obj==bird)
{ spk=100;
return(2011);
}
if (obj==snake||obj==dragon||obj==troll)
{ spk=102;
if (obj==dragon&&prop[dragon]!=0) spk=110;
if (obj==troll) spk=182;
if (obj!=snake||closed||!here(bird)) return(2011);
spk=101;
dstroy(bird);
prop[bird]=0;
tally2++;
return(2011);
}
if (obj==dwarf)
{ if (!here(food)) return(2011);
spk=103;
dflag++;
return(2011);
}
if (obj==bear)
{ if (prop[bear]==0) spk=102;
if (prop[bear]==3) spk=110;
if (!here(food)) return(2011);
dstroy(food);
prop[bear]=1;
fixed[axe]=0;
prop[axe]=0;
spk=168;
return(2011);
}
spk=14;
return(2011);
}
trfill() /* 9220 */
{ if (obj==vase)
{ spk=29;
if (liqloc(loc)==0) spk=144;
if (liqloc(loc)==0||!toting(vase)) return(2011);
rspeak(145);
prop[vase]=2;
fixed[vase]= -1;
return(9020); /* advent/10 goes to 9024 */
}
if (obj!=0&&obj!=bottle) return(2011);
if (obj==0&&!here(bottle)) return(8000);
spk=107;
if (liqloc(loc)==0) spk=106;
if (liq(0)!=0) spk=105;
if (spk!=107) return(2011);
prop[bottle]=((cond[loc]%4)/2)*2;
k=liq(0);
if (toting(bottle)) place[k]= -1;
if (k==oil) spk=108;
return(2011);
}
closing() /* 10000 */
{ register int i;
prop[grate]=prop[fissur]=0;
for (i=1; i<=6; i++)
{ dseen[i]=FALSE;
dloc[i]=0;
}
move(troll,0);
move(troll+100,0);
move(troll2,plac[troll]);
move(troll2+100,fixd[troll]);
juggle(chasm);
if(prop[bear]!=3) dstroy(bear);
prop[chain]=0;
fixed[chain]=0;
prop[axe]=0;
fixed[axe]=0;
rspeak(129);
clock1 = -1;
closng=TRUE;
return(19999);
}
caveclose() /* 11000 */
{ register int i;
prop[bottle]=put(bottle,115,1);
prop[plant]=put(plant,115,0);
prop[oyster]=put(oyster,115,0);
prop[lamp]=put(lamp,115,0);
prop[rod]=put(rod,115,0);
prop[dwarf]=put(dwarf,115,0);
loc=115;
oldloc=115;
newloc=115;
put(grate,116,0);
prop[snake]=put(snake,116,1);
prop[bird]=put(bird,116,1);
prop[cage]=put(cage,116,0);
prop[rod2]=put(rod2,116,0);
prop[pillow]=put(pillow,116,0);
prop[mirror]=put(mirror,115,0);
fixed[mirror]=116;
for (i=1; i<=100; i++)
if (toting(i)) dstroy(i);
rspeak(132);
closed=TRUE;
return(2);
}
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