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Cream of the Crop 1
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Cream of the Crop 1.iso
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PROGRAM
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ULARN.ARJ
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ULARN.TAR
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ularn
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tok.c
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C/C++ Source or Header
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1989-10-25
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6KB
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260 lines
/* tok.c */
#include "header.h"
#define FLUSHNO 5
#define MAXUM 52 /* maximum number of user re-named monsters */
#define MAXMNAME 40 /* max length of a monster re-name */
static char lastok=0;
int yrepcount=0,dayplay=0;
#ifdef BSD
static int flushno=FLUSHNO; /* input queue flushing threshold */
#endif /* BSD */
static char usermonster[MAXUM][MAXMNAME];
static char usermpoint=0; /* the user monster pointer */
/*
lexical analyzer for larn
*/
yylex()
{
char cc;
int i, ic;
if (hit2flag) {
hit2flag=0;
yrepcount=0;
return(' ');
}
if (yrepcount>0) {
--yrepcount;
return(lastok);
}
else yrepcount=0;
/*show where the player is*/
if (yrepcount==0) {
bottomdo();
showplayer();
}
lflush();
while (1) {
c[BYTESIN]++;
if (ckpflag)
/* check for periodic checkpointing */
if ( c[BYTESIN] == 1 || (c[BYTESIN] % 400) == 0) {
wait((int *)0);/* wait for other forks to finish */
if (fork() == 0) {
savegame(ckpfile);
exit(0);
}
}
#ifdef BSD
/* if keyboard input buffer is too big, flush some of it */
do {
ioctl(0,FIONREAD,&ic);
if (ic>flushno)
read(0,&cc,1);
}
while (ic>flushno);
#endif
if (read(0,&cc,1) != 1)
return(lastok = -1);
if (cc == '!') /* shell escape */
{
resetscroll();
clear();
sncbr();
cl_dn(0,0);
lflush();
if ((ic=fork())==0) {
execl("/bin/csh", "/bin/csh", (char *)0);
exit(1);
}
do {
i = wait(0);
} while (i != ic && i != -1);
if (ic<0) {
fprintf(stderr,"Can't fork /bin/csh!\n");
fflush(stderr);
sleep(2);
}
setscroll();
scbr();
return(lastok = 'L'-64); /* redisplay screen */
}
if ((cc <= '9') && (cc >= '0'))
yrepcount = yrepcount*10 + cc - '0';
else {
if (yrepcount>0) --yrepcount;
return(lastok = cc);
}
}
}
/*
* flushall() Function to flush all type-ahead in the input buffer
*/
flushall()
{
#ifdef BSD
char cc;
int ic;
for (;;)/* if keyboard input buffer is too big, flush some of it */
{
ioctl(0,FIONREAD,&ic);
if (ic<=0) return;
while (ic>0) {
read(0,&cc,1);
--ic;
} /* gobble up the byte */
}
#else /* SYSV */
# ifdef unix
tcflush(0, TCIFLUSH); /* unix SYSV only, not XENIX */
# endif /* unix */
#endif /* BSD */
}
/*
function to set the desired hardness
enter with hard= -1 for default hardness, else any desired hardness
*/
sethard(hard)
int hard;
{
register int j,k,i;
if (restorflag==0) { /* don't set c[HARDGAME] if restoring game */
if (hashewon() == 0) {
if (hard >= 0)
c[HARDGAME] = hard;
}
else if (hard > c[HARDGAME]) c[HARDGAME] = hard;
}
if (k=c[HARDGAME])
for (j=0; j<=MAXMONST+8; j++) {
i = ((6+k)*monster[j].hitpoints+1)/6;
monster[j].hitpoints = (i<0) ? 32767 : i;
i = ((6+k)*monster[j].damage+1)/5;
monster[j].damage = (i>127) ? 127 : i;
i = (10*monster[j].gold)/(10+k);
monster[j].gold = (i>32767) ? 32767 : i;
i = monster[j].armorclass - k;
monster[j].armorclass = (i< -127) ? -127 : i;
i = (7*monster[j].experience)/(7+k) + 1;
monster[j].experience = (i<=0) ? 1 : i;
}
}
/*
function to read and process the larn options file
*/
readopts()
{
register char *i;
register int j,k;
extern int char_picked;
int flag=1;
if (lopen(optsfile) < 0) {
strcpy(logname,loginname);
return; /* user name if no character name */
}
i = " ";
while (*i) {
if ((i=(char *)lgetw()) == 0) break; /* check for EOF */
while ((*i==' ') || (*i=='\t')) i++; /* eat leading whitespace*/
switch(*i) {
case 'b':
if (strcmp(i,"bold-off") == 0)
boldon=0;
break;
case 'e':
if (strcmp(i,"enable-checkpointing") == 0)
ckpflag=1;
break;
case 'f':
if (strcmp(i,"female") == 0)
sex=0; /* male or female */
break;
/* name favorite monster */
case 'm':
if (strcmp(i,"monster:")== 0) {
if ((i=lgetw())==0) break;
if (strlen(i)>=MAXMNAME) i[MAXMNAME-1]=0;
strcpy(usermonster[usermpoint],i);
/* defined all of em */
if (usermpoint >= MAXUM) break;
if (isalpha(j=usermonster[usermpoint][0])) {
for (k=1; k<MAXMONST+8; k++)
if (monstnamelist[k] == j) {
monster[k].name = &usermonster[usermpoint++][0];
break;
}
}
}
else if (strcmp(i,"male") == 0) sex=1;
break;
case 'n':
if (strcmp(i,"name:") == 0) {
if ((i=lgetw())==0) break;
if (strlen(i)>=LOGNAMESIZE)
i[LOGNAMESIZE-1]=0;
strcpy(logname,i);
flag=0;
}
else if (strcmp(i,"no-introduction") == 0)
nowelcome=1;
else if (strcmp(i,"no-beep") == 0)
nobeep=1;
break;
case 'c':
if (strncmp(i,"character:",strlen("character:")) == 0) {
int k=0, j=0;
j = strlen("character:");
do {
char_class[k++] = i[j];
} while (i[j++] != '\0');
flag = 0;
if (!strcmp(char_class, "ogre"))
char_picked = 'a';
else if (!strcmp(char_class, "wizard"))
char_picked = 'b';
else if (!strcmp(char_class, "klingon"))
char_picked = 'c';
else if (!strcmp(char_class, "elf"))
char_picked = 'd';
else if (!strcmp(char_class, "rogue"))
char_picked = 'e';
else if (!strcmp(char_class, "geek"))
char_picked = 'f';
else if (!strcmp(char_class, "dwarf"))
char_picked = 'g';
else if (!strcmp(char_class, "rambo"))
char_picked = 'h';
}
break;
case 's':
if (strcmp(i,"savefile:") == 0) {
if ((i=lgetw())==0) break;
if (strlen(i)>=SAVEFILENAMESIZE)
i[SAVEFILENAMESIZE-1]=0;
strcpy(savefilename,i);
flag=0;
}
break;
};
}
if (flag) strcpy(logname,loginname);
}