From 77e3814f0c0e3dea4d0032e25666f77e6f83bfff Mon Sep 17 00:00:00 2001 From: cgd Date: Sun, 21 Mar 1993 09:45:37 +0000 Subject: initial import of 386bsd-0.1 sources --- larn/main.c | 878 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 878 insertions(+) create mode 100644 larn/main.c (limited to 'larn/main.c') diff --git a/larn/main.c b/larn/main.c new file mode 100644 index 00000000..dbe0c89d --- /dev/null +++ b/larn/main.c @@ -0,0 +1,878 @@ +/* main.c */ +#include +#include "header.h" +#include +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] [-##] [++]\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 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\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=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)); + } + } + + +/* + 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= MAXY) break; + for (i=playerx-1; 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; i2) /* 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; i0) + 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 -- cgit v1.2.3