projects / unix-history / blob
? search:
summary | tags | clone url | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Fixed up compiler warnings.
[unix-history] / games / larn / main.c
/* main.c */
#include <sys/types.h>
#include "header.h"
#include <pwd.h>
static char copyright[]="\nLarn is copyrighted 1986 by Noah Morgan.\n";
int srcount=0; /* line counter for showstr() */
int dropflag=0; /* if 1 then don't lookforobject() next round */
int rmst=80; /* random monster creation counter */
int userid; /* the players login user id number */
char nowelcome=0,nomove=0; /* if (nomove) then don't count next iteration as a move */
static char viewflag=0;
/* if viewflag then we have done a 99 stay here and don't showcell in the main loop */
char restorflag=0; /* 1 means restore has been done */
static char cmdhelp[] = "\
Cmd line format: larn [-slicnh] [-o<optsifle>] [-##] [++]\n\
-s show the scoreboard\n\
-l show the logfile (wizard id only)\n\
-i show scoreboard with inventories of dead characters\n\
-c create new scoreboard (wizard id only)\n\
-n suppress welcome message on starting game\n\
-## specify level of difficulty (example: -5)\n\
-h print this help text\n\
++ restore game from checkpoint file\n\
-o<optsfile> specify .larnopts filename to be used instead of \"~/.larnopts\"\n\
";
#ifdef VT100
static char *termtypes[] = { "vt100", "vt101", "vt102", "vt103", "vt125",
"vt131", "vt140", "vt180", "vt220", "vt240", "vt241", "vt320", "vt340",
"vt341" };
#endif VT100
/*
************
MAIN PROGRAM
************
*/
main(argc,argv)
int argc;
char **argv;
{
register int i,j;
int hard;
char *ptr=0,*ttype;
struct passwd *pwe;
/*
* first task is to identify the player
*/
#ifndef VT100
init_term(); /* setup the terminal (find out what type) for termcap */
#endif VT100
if (((ptr = getlogin()) == 0) || (*ptr==0)) /* try to get login name */
if (pwe=getpwuid(getuid())) /* can we get it from /etc/passwd? */
ptr = pwe->pw_name;
else
if ((ptr = getenv("USER")) == 0)
if ((ptr = getenv("LOGNAME")) == 0)
{
noone: write(2, "Can't find your logname. Who Are You?\n",39);
exit();
}
if (ptr==0) goto noone;
if (strlen(ptr)==0) goto noone;
/*
* second task is to prepare the pathnames the player will need
*/
strcpy(loginname,ptr); /* save loginname of the user for logging purposes */
strcpy(logname,ptr); /* this will be overwritten with the players name */
if ((ptr = getenv("HOME")) == 0) ptr = ".";
strcpy(savefilename, ptr);
strcat(savefilename, "/Larn.sav"); /* save file name in home directory */
sprintf(optsfile, "%s/.larnopts",ptr); /* the .larnopts filename */
/*
* now malloc the memory for the dungeon
*/
cell = (struct cel *)malloc(sizeof(struct cel)*(MAXLEVEL+MAXVLEVEL)*MAXX*MAXY);
if (cell == 0) died(-285); /* malloc failure */
lpbuf = malloc((5* BUFBIG)>>2); /* output buffer */
inbuffer = malloc((5*MAXIBUF)>>2); /* output buffer */
if ((lpbuf==0) || (inbuffer==0)) died(-285); /* malloc() failure */
lcreat((char*)0); newgame(); /* set the initial clock */ hard= -1;
#ifdef VT100
/*
* check terminal type to avoid users who have not vt100 type terminals
*/
ttype = getenv("TERM");
for (j=1, i=0; i<sizeof(termtypes)/sizeof(char *); i++)
if (strcmp(ttype,termtypes[i]) == 0) { j=0; break; }
if (j)
{
lprcat("Sorry, Larn needs a VT100 family terminal for all it's features.\n"); lflush();
exit();
}
#endif VT100
/*
* now make scoreboard if it is not there (don't clear)
*/
if (access(scorefile,0) == -1) /* not there */
makeboard();
/*
* now process the command line arguments
*/
for (i=1; i<argc; i++)
{
if (argv[i][0] == '-')
switch(argv[i][1])
{
case 's': showscores(); exit(); /* show scoreboard */
case 'l': /* show log file */
diedlog(); exit();
case 'i': showallscores(); exit(); /* show all scoreboard */
case 'c': /* anyone with password can create scoreboard */
lprcat("Preparing to initialize the scoreboard.\n");
if (getpassword() != 0) /*make new scoreboard*/
{
makeboard(); lprc('\n'); showscores();
}
exit();
case 'n': /* no welcome msg */ nowelcome=1; argv[i][0]=0; break;
case '0': case '1': case '2': case '3': case '4': case '5':
case '6': case '7': case '8': case '9': /* for hardness */
sscanf(&argv[i][1],"%d",&hard);
break;
case 'h': /* print out command line arguments */
write(1,cmdhelp,sizeof(cmdhelp)); exit();
case 'o': /* specify a .larnopts filename */
strncpy(optsfile,argv[i]+2,127); break;
default: printf("Unknown option <%s>\n",argv[i]); exit();
};
if (argv[i][0] == '+')
{
clear(); restorflag = 1;
if (argv[i][1] == '+')
{
hitflag=1; restoregame(ckpfile); /* restore checkpointed game */
}
i = argc;
}
}
readopts(); /* read the options file if there is one */
#ifdef UIDSCORE
userid = geteuid(); /* obtain the user's effective id number */
#else UIDSCORE
userid = getplid(logname); /* obtain the players id number */
#endif UIDSCORE
if (userid < 0) { write(2,"Can't obtain playerid\n",22); exit(); }
#ifdef HIDEBYLINK
/*
* this section of code causes the program to look like something else to ps
*/
if (strcmp(psname,argv[0])) /* if a different process name only */
{
if ((i=access(psname,1)) < 0)
{ /* link not there */
if (link(argv[0],psname)>=0)
{
argv[0] = psname; execv(psname,argv);
}
}
else
unlink(psname);
}
for (i=1; i<argc; i++)
{
szero(argv[i]); /* zero the argument to avoid ps snooping */
}
#endif HIDEBYLINK
if (access(savefilename,0)==0) /* restore game if need to */
{
clear(); restorflag = 1;
hitflag=1; restoregame(savefilename); /* restore last game */
}
sigsetup(); /* trap all needed signals */
sethard(hard); /* set up the desired difficulty */
setupvt100(); /* setup the terminal special mode */
if (c[HP]==0) /* create new game */
{
makeplayer(); /* make the character that will play */
newcavelevel(0);/* make the dungeon */
predostuff = 1; /* tell signals that we are in the welcome screen */
if (nowelcome==0) welcome(); /* welcome the player to the game */
}
drawscreen(); /* show the initial dungeon */
predostuff = 2; /* tell the trap functions that they must do a showplayer()
from here on */
/* nice(1); /* games should be run niced */
yrepcount = hit2flag = 0;
while (1)
{
if (dropflag==0) lookforobject(); /* see if there is an object here */
else dropflag=0; /* don't show it just dropped an item */
if (hitflag==0) { if (c[HASTEMONST]) movemonst(); movemonst(); } /* move the monsters */
if (viewflag==0) showcell(playerx,playery); else viewflag=0; /* show stuff around player */
if (hit3flag) flushall();
hitflag=hit3flag=0; nomove=1;
bot_linex(); /* update bottom line */
while (nomove)
{
if (hit3flag) flushall();
nomove=0; parse();
} /* get commands and make moves */
regen(); /* regenerate hp and spells */
if (c[TIMESTOP]==0)
if (--rmst <= 0)
{ rmst = 120-(level<<2); fillmonst(makemonst(level)); }
}
}
\f
/*
showstr()
show character's inventory
*/
showstr()
{
register int i,number;
for (number=3, i=0; i<26; i++)
if (iven[i]) number++; /* count items in inventory */
t_setup(number); qshowstr(); t_endup(number);
}
qshowstr()
{
register int i,j,k,sigsav;
srcount=0; sigsav=nosignal; nosignal=1; /* don't allow ^c etc */
if (c[GOLD]) { lprintf(".) %d gold pieces",(long)c[GOLD]); srcount++; }
for (k=26; k>=0; k--)
if (iven[k])
{ for (i=22; i<84; i++)
for (j=0; j<=k; j++) if (i==iven[j]) show3(j); k=0; }
lprintf("\nElapsed time is %d. You have %d mobuls left",(long)((gtime+99)/100+1),(long)((TIMELIMIT-gtime)/100));
more(); nosignal=sigsav;
}
/*
* subroutine to clear screen depending on # lines to display
*/
t_setup(count)
register int count;
{
if (count<20) /* how do we clear the screen? */
{
cl_up(79,count); cursor(1,1);
}
else
{
resetscroll(); clear();
}
}
/*
* subroutine to restore normal display screen depending on t_setup()
*/
t_endup(count)
register int count;
{
if (count<18) /* how did we clear the screen? */
draws(0,MAXX,0,(count>MAXY) ? MAXY : count);
else
{
drawscreen(); setscroll();
}
}
/*
function to show the things player is wearing only
*/
showwear()
{
register int i,j,sigsav,count;
sigsav=nosignal; nosignal=1; /* don't allow ^c etc */
srcount=0;
for (count=2,j=0; j<=26; j++) /* count number of items we will display */
if (i=iven[j])
switch(i)
{
case OLEATHER: case OPLATE: case OCHAIN:
case ORING: case OSTUDLEATHER: case OSPLINT:
case OPLATEARMOR: case OSSPLATE: case OSHIELD:
count++;
};
t_setup(count);
for (i=22; i<84; i++)
for (j=0; j<=26; j++)
if (i==iven[j])
switch(i)
{
case OLEATHER: case OPLATE: case OCHAIN:
case ORING: case OSTUDLEATHER: case OSPLINT:
case OPLATEARMOR: case OSSPLATE: case OSHIELD:
show3(j);
};
more(); nosignal=sigsav; t_endup(count);
}
/*
function to show the things player can wield only
*/
showwield()
{
register int i,j,sigsav,count;
sigsav=nosignal; nosignal=1; /* don't allow ^c etc */
srcount=0;
for (count=2,j=0; j<=26; j++) /* count how many items */
if (i=iven[j])
switch(i)
{
case ODIAMOND: case ORUBY: case OEMERALD: case OSAPPHIRE:
case OBOOK: case OCHEST: case OLARNEYE: case ONOTHEFT:
case OSPIRITSCARAB: case OCUBEofUNDEAD:
case OPOTION: case OSCROLL: break;
default: count++;
};
t_setup(count);
for (i=22; i<84; i++)
for (j=0; j<=26; j++)
if (i==iven[j])
switch(i)
{
case ODIAMOND: case ORUBY: case OEMERALD: case OSAPPHIRE:
case OBOOK: case OCHEST: case OLARNEYE: case ONOTHEFT:
case OSPIRITSCARAB: case OCUBEofUNDEAD:
case OPOTION: case OSCROLL: break;
default: show3(j);
};
more(); nosignal=sigsav; t_endup(count);
}
/*
* function to show the things player can read only
*/
showread()
{
register int i,j,sigsav,count;
sigsav=nosignal; nosignal=1; /* don't allow ^c etc */
srcount=0;
for (count=2,j=0; j<=26; j++)
switch(iven[j])
{
case OBOOK: case OSCROLL: count++;
};
t_setup(count);
for (i=22; i<84; i++)
for (j=0; j<=26; j++)
if (i==iven[j])
switch(i)
{
case OBOOK: case OSCROLL: show3(j);
};
more(); nosignal=sigsav; t_endup(count);
}
/*
* function to show the things player can eat only
*/
showeat()
{
register int i,j,sigsav,count;
sigsav=nosignal; nosignal=1; /* don't allow ^c etc */
srcount=0;
for (count=2,j=0; j<=26; j++)
switch(iven[j])
{
case OCOOKIE: count++;
};
t_setup(count);
for (i=22; i<84; i++)
for (j=0; j<=26; j++)
if (i==iven[j])
switch(i)
{
case OCOOKIE: show3(j);
};
more(); nosignal=sigsav; t_endup(count);
}
/*
function to show the things player can quaff only
*/
showquaff()
{
register int i,j,sigsav,count;
sigsav=nosignal; nosignal=1; /* don't allow ^c etc */
srcount=0;
for (count=2,j=0; j<=26; j++)
switch(iven[j])
{
case OPOTION: count++;
};
t_setup(count);
for (i=22; i<84; i++)
for (j=0; j<=26; j++)
if (i==iven[j])
switch(i)
{
case OPOTION: show3(j);
};
more(); nosignal=sigsav; t_endup(count);
}
show1(idx,str2)
register int idx;
register char *str2[];
{
if (str2==0) lprintf("\n%c) %s",idx+'a',objectname[iven[idx]]);
else if (*str2[ivenarg[idx]]==0) lprintf("\n%c) %s",idx+'a',objectname[iven[idx]]);
else lprintf("\n%c) %s of%s",idx+'a',objectname[iven[idx]],str2[ivenarg[idx]]);
}
show3(index)
register int index;
{
switch(iven[index])
{
case OPOTION: show1(index,potionname); break;
case OSCROLL: show1(index,scrollname); break;
case OLARNEYE: case OBOOK: case OSPIRITSCARAB:
case ODIAMOND: case ORUBY: case OCUBEofUNDEAD:
case OEMERALD: case OCHEST: case OCOOKIE:
case OSAPPHIRE: case ONOTHEFT: show1(index,(char **)0); break;
default: lprintf("\n%c) %s",index+'a',objectname[iven[index]]);
if (ivenarg[index]>0) lprintf(" + %d",(long)ivenarg[index]);
else if (ivenarg[index]<0) lprintf(" %d",(long)ivenarg[index]);
break;
}
if (c[WIELD]==index) lprcat(" (weapon in hand)");
if ((c[WEAR]==index) || (c[SHIELD]==index)) lprcat(" (being worn)");
if (++srcount>=22) { srcount=0; more(); clear(); }
}
/*
subroutine to randomly create monsters if needed
*/
randmonst()
{
if (c[TIMESTOP]) return; /* don't make monsters if time is stopped */
if (--rmst <= 0)
{
rmst = 120 - (level<<2); fillmonst(makemonst(level));
}
}
\f
/*
parse()
get and execute a command
*/
parse()
{
register int i,j,k,flag;
while (1)
{
k = yylex();
switch(k) /* get the token from the input and switch on it */
{
case 'h': moveplayer(4); return; /* west */
case 'H': run(4); return; /* west */
case 'l': moveplayer(2); return; /* east */
case 'L': run(2); return; /* east */
case 'j': moveplayer(1); return; /* south */
case 'J': run(1); return; /* south */
case 'k': moveplayer(3); return; /* north */
case 'K': run(3); return; /* north */
case 'u': moveplayer(5); return; /* northeast */
case 'U': run(5); return; /* northeast */
case 'y': moveplayer(6); return; /* northwest */
case 'Y': run(6); return; /* northwest */
case 'n': moveplayer(7); return; /* southeast */
case 'N': run(7); return; /* southeast */
case 'b': moveplayer(8); return; /* southwest */
case 'B': run(8); return; /* southwest */
case '.': if (yrepcount) viewflag=1; return; /* stay here */
case 'w': yrepcount=0; wield(); return; /* wield a weapon */
case 'W': yrepcount=0; wear(); return; /* wear armor */
case 'r': yrepcount=0;
if (c[BLINDCOUNT]) { cursors(); lprcat("\nYou can't read anything when you're blind!"); } else
if (c[TIMESTOP]==0) readscr(); return; /* to read a scroll */
case 'q': yrepcount=0; if (c[TIMESTOP]==0) quaff(); return; /* quaff a potion */
case 'd': yrepcount=0; if (c[TIMESTOP]==0) dropobj(); return; /* to drop an object */
case 'c': yrepcount=0; cast(); return; /* cast a spell */
case 'i': yrepcount=0; nomove=1; showstr(); return; /* status */
case 'e': yrepcount=0;
if (c[TIMESTOP]==0) eatcookie(); return; /* to eat a fortune cookie */
case 'D': yrepcount=0; seemagic(0); nomove=1; return; /* list spells and scrolls */
case '?': yrepcount=0; help(); nomove=1; return; /* give the help screen*/
case 'S': clear(); lprcat("Saving . . ."); lflush();
savegame(savefilename); wizard=1; died(-257); /* save the game - doesn't return */
case 'Z': yrepcount=0; if (c[LEVEL]>9) { oteleport(1); return; }
cursors(); lprcat("\nAs yet, you don't have enough experience to use teleportation");
return; /* teleport yourself */
case '^': /* identify traps */ flag=yrepcount=0; cursors();
lprc('\n'); for (j=playery-1; j<playery+2; j++)
{
if (j < 0) j=0; if (j >= MAXY) break;
for (i=playerx-1; i<playerx+2; i++)
{
if (i < 0) i=0; if (i >= MAXX) break;
switch(item[i][j])
{
case OTRAPDOOR: case ODARTRAP:
case OTRAPARROW: case OTELEPORTER:
lprcat("\nIts "); lprcat(objectname[item[i][j]]); flag++;
};
}
}
if (flag==0) lprcat("\nNo traps are visible");
return;
#if WIZID
case '_': /* this is the fudge player password for wizard mode*/
yrepcount=0; cursors(); nomove=1;
if (userid!=wisid)
{
lprcat("Sorry, you are not empowered to be a wizard.\n");
scbr(); /* system("stty -echo cbreak"); */
lflush(); return;
}
if (getpassword()==0)
{
scbr(); /* system("stty -echo cbreak"); */ return;
}
wizard=1; scbr(); /* system("stty -echo cbreak"); */
for (i=0; i<6; i++) c[i]=70; iven[0]=iven[1]=0;
take(OPROTRING,50); take(OLANCE,25); c[WIELD]=1;
c[LANCEDEATH]=1; c[WEAR] = c[SHIELD] = -1;
raiseexperience(6000000L); c[AWARENESS] += 25000;
{
register int i,j;
for (i=0; i<MAXY; i++)
for (j=0; j<MAXX; j++) know[j][i]=1;
for (i=0; i<SPNUM; i++) spelknow[i]=1;
for (i=0; i<MAXSCROLL; i++) scrollname[i][0]=' ';
for (i=0; i<MAXPOTION; i++) potionname[i][0]=' ';
}
for (i=0; i<MAXSCROLL; i++)
if (strlen(scrollname[i])>2) /* no null items */
{ item[i][0]=OSCROLL; iarg[i][0]=i; }
for (i=MAXX-1; i>MAXX-1-MAXPOTION; i--)
if (strlen(potionname[i-MAXX+MAXPOTION])>2) /* no null items */
{ item[i][0]=OPOTION; iarg[i][0]=i-MAXX+MAXPOTION; }
for (i=1; i<MAXY; i++)
{ item[0][i]=i; iarg[0][i]=0; }
for (i=MAXY; i<MAXY+MAXX; i++)
{ item[i-MAXY][MAXY-1]=i; iarg[i-MAXY][MAXY-1]=0; }
for (i=MAXX+MAXY; i<MAXX+MAXY+MAXY; i++)
{ item[MAXX-1][i-MAXX-MAXY]=i; iarg[MAXX-1][i-MAXX-MAXY]=0; }
c[GOLD]+=25000; drawscreen(); return;
#endif
case 'T': yrepcount=0; cursors(); if (c[SHIELD] != -1) { c[SHIELD] = -1; lprcat("\nYour shield is off"); bottomline(); } else
if (c[WEAR] != -1) { c[WEAR] = -1; lprcat("\nYour armor is off"); bottomline(); }
else lprcat("\nYou aren't wearing anything");
return;
case 'g': cursors();
lprintf("\nThe stuff you are carrying presently weighs %d pounds",(long)packweight());
case ' ': yrepcount=0; nomove=1; return;
case 'v': yrepcount=0; cursors();
lprintf("\nCaverns of Larn, Version %d.%d, Diff=%d",(long)VERSION,(long)SUBVERSION,(long)c[HARDGAME]);
if (wizard) lprcat(" Wizard"); nomove=1;
if (cheat) lprcat(" Cheater");
lprcat(copyright);
return;
case 'Q': yrepcount=0; quit(); nomove=1; return; /* quit */
case 'L'-64: yrepcount=0; drawscreen(); nomove=1; return; /* look */
#if WIZID
#ifdef EXTRA
case 'A': yrepcount=0; nomove=1; if (wizard) { diag(); return; } /* create diagnostic file */
return;
#endif
#endif
case 'P': cursors();
if (outstanding_taxes>0)
lprintf("\nYou presently owe %d gp in taxes.",(long)outstanding_taxes);
else
lprcat("\nYou do not owe any taxes.");
return;
};
}
}
parse2()
{
if (c[HASTEMONST]) movemonst(); movemonst(); /* move the monsters */
randmonst(); regen();
}
run(dir)
int dir;
{
register int i;
i=1; while (i)
{
i=moveplayer(dir);
if (i>0) { if (c[HASTEMONST]) movemonst(); movemonst(); randmonst(); regen(); }
if (hitflag) i=0;
if (i!=0) showcell(playerx,playery);
}
}
/*
function to wield a weapon
*/
wield()
{
register int i;
while (1)
{
if ((i = whatitem("wield"))=='\33') return;
if (i != '.')
{
if (i=='*') showwield();
else if (iven[i-'a']==0) { ydhi(i); return; }
else if (iven[i-'a']==OPOTION) { ycwi(i); return; }
else if (iven[i-'a']==OSCROLL) { ycwi(i); return; }
else if ((c[SHIELD]!= -1) && (iven[i-'a']==O2SWORD)) { lprcat("\nBut one arm is busy with your shield!"); return; }
else { c[WIELD]=i-'a'; if (iven[i-'a'] == OLANCE) c[LANCEDEATH]=1; else c[LANCEDEATH]=0; bottomline(); return; }
}
}
}
/*
common routine to say you don't have an item
*/
ydhi(x)
int x;
{ cursors(); lprintf("\nYou don't have item %c!",x); }
ycwi(x)
int x;
{ cursors(); lprintf("\nYou can't wield item %c!",x); }
/*
function to wear armor
*/
wear()
{
register int i;
while (1)
{
if ((i = whatitem("wear"))=='\33') return;
if (i != '.')
{
if (i=='*') showwear(); else
switch(iven[i-'a'])
{
case 0: ydhi(i); return;
case OLEATHER: case OCHAIN: case OPLATE: case OSTUDLEATHER:
case ORING: case OSPLINT: case OPLATEARMOR: case OSSPLATE:
if (c[WEAR] != -1) { lprcat("\nYou're already wearing some armor"); return; }
c[WEAR]=i-'a'; bottomline(); return;
case OSHIELD: if (c[SHIELD] != -1) { lprcat("\nYou are already wearing a shield"); return; }
if (iven[c[WIELD]]==O2SWORD) { lprcat("\nYour hands are busy with the two handed sword!"); return; }
c[SHIELD] = i-'a'; bottomline(); return;
default: lprcat("\nYou can't wear that!");
};
}
}
}
/*
function to drop an object
*/
dropobj()
{
register int i;
register char *p;
long amt;
p = &item[playerx][playery];
while (1)
{
if ((i = whatitem("drop"))=='\33') return;
if (i=='*') showstr(); else
{
if (i=='.') /* drop some gold */
{
if (*p) { lprcat("\nThere's something here already!"); return; }
lprcat("\n\n");
cl_dn(1,23);
lprcat("How much gold do you drop? ");
if ((amt=readnum((long)c[GOLD])) == 0) return;
if (amt>c[GOLD])
{ lprcat("\nYou don't have that much!"); return; }
if (amt<=32767)
{ *p=OGOLDPILE; i=amt; }
else if (amt<=327670L)
{ *p=ODGOLD; i=amt/10; amt = 10*i; }
else if (amt<=3276700L)
{ *p=OMAXGOLD; i=amt/100; amt = 100*i; }
else if (amt<=32767000L)
{ *p=OKGOLD; i=amt/1000; amt = 1000*i; }
else
{ *p=OKGOLD; i=32767; amt = 32767000L; }
c[GOLD] -= amt;
lprintf("You drop %d gold pieces",(long)amt);
iarg[playerx][playery]=i; bottomgold();
know[playerx][playery]=0; dropflag=1; return;
}
drop_object(i-'a');
return;
}
}
}
/*
* readscr() Subroutine to read a scroll one is carrying
*/
readscr()
{
register int i;
while (1)
{
if ((i = whatitem("read"))=='\33') return;
if (i != '.')
{
if (i=='*') showread(); else
{
if (iven[i-'a']==OSCROLL) { read_scroll(ivenarg[i-'a']); iven[i-'a']=0; return; }
if (iven[i-'a']==OBOOK) { readbook(ivenarg[i-'a']); iven[i-'a']=0; return; }
if (iven[i-'a']==0) { ydhi(i); return; }
lprcat("\nThere's nothing on it to read"); return;
}
}
}
}
/*
* subroutine to eat a cookie one is carrying
*/
eatcookie()
{
register int i;
char *p;
while (1)
{
if ((i = whatitem("eat"))=='\33') return;
if (i != '.')
if (i=='*') showeat(); else
{
if (iven[i-'a']==OCOOKIE)
{
lprcat("\nThe cookie was delicious.");
iven[i-'a']=0;
if (!c[BLINDCOUNT])
{
if (p=fortune(fortfile))
{
lprcat(" Inside you find a scrap of paper that says:\n");
lprcat(p);
}
}
return;
}
if (iven[i-'a']==0) { ydhi(i); return; }
lprcat("\nYou can't eat that!"); return;
}
}
}
/*
* subroutine to quaff a potion one is carrying
*/
quaff()
{
register int i;
while (1)
{
if ((i = whatitem("quaff"))=='\33') return;
if (i != '.')
{
if (i=='*') showquaff(); else
{
if (iven[i-'a']==OPOTION) { quaffpotion(ivenarg[i-'a']); iven[i-'a']=0; return; }
if (iven[i-'a']==0) { ydhi(i); return; }
lprcat("\nYou wouldn't want to quaff that, would you? "); return;
}
}
}
}
/*
function to ask what player wants to do
*/
whatitem(str)
char *str;
{
int i;
cursors(); lprintf("\nWhat do you want to %s [* for all] ? ",str);
i=0; while (i>'z' || (i<'a' && i!='*' && i!='\33' && i!='.')) i=getchar();
if (i=='\33') lprcat(" aborted");
return(i);
}
/*
subroutine to get a number from the player
and allow * to mean return amt, else return the number entered
*/
unsigned long readnum(mx)
long mx;
{
register int i;
register unsigned long amt=0;
sncbr();
if ((i=getchar()) == '*') amt = mx; /* allow him to say * for all gold */
else
while (i != '\n')
{
if (i=='\033') { scbr(); lprcat(" aborted"); return(0); }
if ((i <= '9') && (i >= '0') && (amt<99999999))
amt = amt*10+i-'0';
i = getchar();
}
scbr(); return(amt);
}
#ifdef HIDEBYLINK
/*
* routine to zero every byte in a string
*/
szero(str)
register char *str;
{
while (*str)
*str++ = 0;
}
#endif HIDEBYLINK
Continuous source code history from original PDP-7 UNIX to FreeBSD 2, the first fully unencumbered FreeBSD release.