Revert SEED handling and comment orocessing. It broke database compilation.

This code is remarkably like the game it implements - a maze of twisty
little FORTRANisms, all alike.  Very easy to get lost.
This commit is contained in:
Eric S. Raymond 2017-05-24 18:24:09 -04:00
parent 44e7ddc2ed
commit 31837249f8
6 changed files with 50 additions and 80 deletions

View file

@ -65,7 +65,6 @@ L4000: VERB=K;
case 31: goto L8320; /* FLY */
case 32: goto L8330; /* LISTEN */
case 33: goto L8340; /* ZZZZ */
case 34: goto L8350; /* SEED */
}
BUG(23);
@ -106,7 +105,6 @@ L4090: switch (VERB-1) {
case 31: goto L9320; /* FLY */
case 32: return(2011); /* LISTEN */
case 33: goto L8340; /* ZZZZ */
case 34: goto L8350; /* SEED */
}
BUG(24);
@ -625,14 +623,4 @@ L8340: if(!AT(RESER) && LOC != FIXED[RESER]-1) return(2011);
RSPEAK(241);
return(2);
/* Seed. Expected in game logs to replicate the LCG state */
L8350: {
long sv;
int n;
n = sscanf(raw_input, "seed %ld\n", &sv);
if (n >= 1)
set_seed(sv);
return(2);
}
}

View file

@ -1358,7 +1358,6 @@
2032 FLY
2033 LISTE
2034 Z'ZZZ (GETS REPLACED)
2035 SEED (USED IN REPLAY LOGS, NOT INTENDED FOR PLAYER)
3001 FEE
3002 FIE
3003 FOE

63
main.c
View file

@ -7,7 +7,6 @@
#include <stdio.h>
#include <stdbool.h>
#include <getopt.h>
#include <string.h>
#include "main.h"
#include "misc.h"
@ -18,7 +17,6 @@ long ABB[186], ATAB[331], ATLOC[186], BLKLIN = true, DFLAG,
PARMS[26], PLACE[101], PTEXT[101], RTEXT[278],
SETUP = 0, TABSIZ = 330;
signed char INLINE[LINESIZE+1], MAP1[129], MAP2[129];
signed char raw_input[LINESIZE+1];
long ABBNUM, ACTSPK[36], AMBER, ATTACK, AXE, BACK, BATTER, BEAR, BIRD, BLOOD, BONUS,
BOTTLE, CAGE, CAVE, CAVITY, CHAIN, CHASM, CHEST, CHLOC, CHLOC2,
@ -54,11 +52,10 @@ extern int action(FILE *, long);
* MAIN PROGRAM
*/
static bool do_command(FILE *);
static void do_command(FILE *);
int main(int argc, char *argv[]) {
int ch;
time_t starttime = time(NULL);
/* Adventure (rev 2: 20 treasures) */
@ -73,7 +70,7 @@ int main(int argc, char *argv[]) {
while ((ch = getopt(argc, argv, "l:o")) != EOF) {
switch (ch) {
case 'l':
logfp = fopen(optarg, "w");
logfp = fopen(optarg, "w+");
if (logfp == NULL)
fprintf(stderr,
"advent: can't open logfile %s for write\n",
@ -102,7 +99,7 @@ int main(int argc, char *argv[]) {
lcgstate.a = 1093;
lcgstate.c = 221587;
lcgstate.m = 1048576;
set_seed((long)starttime);
set_seed_from_time();
/* Read the database if we have not yet done so */
@ -135,16 +132,12 @@ L1: SETUP= -1;
LIMIT=330;
if(NOVICE)LIMIT=1000;
if (logfp)
fprintf(logfp, "seed %ld\n", starttime);
for (;;) {
if (!do_command(stdin))
break;
do_command(stdin);
}
score(1);
}
static bool do_command(FILE *cmdin) {
static void do_command(FILE *cmdin) {
/* Can't leave cave once it's closing (except by main office). */
@ -396,8 +389,7 @@ L2603: if(!CLOSED) goto L2605;
L2605: WZDARK=DARK(0);
if(KNFLOC > 0 && KNFLOC != LOC)KNFLOC=0;
I=0;
if (!GETIN(cmdin, WD1,WD1X,WD2,WD2X))
return false;
GETIN(cmdin, WD1,WD1X,WD2,WD2X);
/* Every input, check "FOOBAR" flag. If zero, nothing's going on. If pos,
* make neg. If neg, he skipped a word, so make it zero. */
@ -456,19 +448,8 @@ L2800: WD1=WD2;
/* Gee, I don't understand. */
L3000: SETPRM(1,WD1,WD1X);
/* This is a kludge. The command parser we inherited from the base 2.5
* barfs on numeric tokens. It will fall through to here when it sees
* seed NNNN. Instead of barfing, go straight to the action processor
* where it will examine the raw input. This will fo away when we get
* rid of the obfuscated FORTRANoid input processing.
*/
if (strncmp(raw_input, "seed", 4) == 0) {
I=4090; K=34;
goto Laction;
} else {
RSPEAK(254);
goto L2600;
}
/* Verb and object analysis moved to separate module. */
@ -477,7 +458,7 @@ L4090: I=4090; goto Laction;
L5000: I=5000;
Laction:
switch (action(cmdin, I)) {
case 2: return true;
case 2: return;
case 8: goto L8;
case 2000: goto L2000;
case 2009: goto L2009;
@ -513,7 +494,7 @@ L8000: SETPRM(1,WD1,WD1X);
L8: KK=KEY[LOC];
NEWLOC=LOC;
if(KK == 0)BUG(26);
if(K == NUL) return true;
if(K == NUL) return;
if(K == BACK) goto L20;
if(K == LOOK) goto L30;
if(K == CAVE) goto L40;
@ -544,11 +525,11 @@ L13: if(NEWLOC <= 100) goto L14;
L14: if(NEWLOC != 0 && !PCT(NEWLOC)) goto L12;
L16: NEWLOC=MOD(LL,1000);
if(NEWLOC <= 300) return true;
if(NEWLOC <= 300) return;
if(NEWLOC <= 500) goto L30000;
RSPEAK(NEWLOC-500);
NEWLOC=LOC;
return true;
return;
/* Special motions come here. Labelling convention: statement numbers NNNXX
* (XX=00-99) are used for special case number NNN (NNN=301-500). */
@ -563,10 +544,10 @@ L30000: NEWLOC=NEWLOC-300;
* be used for actual motion, but can be spotted by "go back". */
L30100: NEWLOC=99+100-LOC;
if(HOLDNG == 0 || (HOLDNG == 1 && TOTING(EMRALD))) return true;
if(HOLDNG == 0 || (HOLDNG == 1 && TOTING(EMRALD))) return;
NEWLOC=LOC;
RSPEAK(117);
return true;
return;
/* Travel 302. Plover transport. Drop the emerald (only use special travel if
* toting it), so he's forced to use the plover-passage to get it out. Having
@ -590,11 +571,11 @@ L30300: if(PROP[TROLL] != 1) goto L30310;
MOVE(TROLL+100,FIXD[TROLL]);
JUGGLE(CHASM);
NEWLOC=LOC;
return true;
return;
L30310: NEWLOC=PLAC[TROLL]+FIXD[TROLL]-LOC;
if(PROP[TROLL] == 0)PROP[TROLL]=1;
if(!TOTING(BEAR)) return true;
if(!TOTING(BEAR)) return;
RSPEAK(162);
PROP[CHASM]=1;
PROP[TROLL]=2;
@ -618,7 +599,7 @@ L20: K=OLDLOC;
if(CNDBIT(LOC,4))K2=274;
if(K2 == 0) goto L21;
RSPEAK(K2);
return true;
return;
L21: LL=MOD((IABS(TRAVEL[KK])/1000),1000);
if(LL == K) goto L25;
@ -632,7 +613,7 @@ L22: if(TRAVEL[KK] < 0) goto L23;
L23: KK=K2;
if(KK != 0) goto L25;
RSPEAK(140);
return true;
return;
L25: K=MOD(IABS(TRAVEL[KK]),1000);
KK=KEY[LOC];
@ -645,14 +626,14 @@ L30: if(DETAIL < 3)RSPEAK(15);
DETAIL=DETAIL+1;
WZDARK=false;
ABB[LOC]=0;
return true;
return;
/* Cave. Different messages depending on whether above ground. */
L40: K=58;
if(OUTSID(LOC) && LOC != 8)K=57;
RSPEAK(K);
return true;
return;
/* Non-applicable motion. Various messages depending on word given. */
@ -665,7 +646,11 @@ L50: SPK=12;
if(K == 62 || K == 65)SPK=42;
if(K == 17)SPK=80;
RSPEAK(SPK);
return true;
return;
/* "You're dead, Jim."
*
@ -879,7 +864,7 @@ L11000: PROP[BOTTLE]=PUT(BOTTLE,115,1);
RSPEAK(132);
CLOSED=true;
return true;
return;
/* Another way we can force an end to things is by having the lamp give out.
* When it gets close, we come here to warn him. We go to 12000 if the lamp

1
main.h
View file

@ -11,7 +11,6 @@ extern long ABB[], ATAB[], ATLOC[], BLKLIN, DFLAG, DLOC[], FIXED[], HOLDNG,
KTAB[], *LINES, LINK[], LNLENG, LNPOSN,
PARMS[], PLACE[], PTEXT[], RTEXT[], TABSIZ;
extern signed char INLINE[LINESIZE+1], MAP1[], MAP2[];
extern signed char raw_input[LINESIZE+1];
extern FILE *logfp;
extern bool oldstyle;
extern lcg_state lcgstate;

40
misc.c
View file

@ -173,7 +173,7 @@ void fSETPRM(long FIRST, long P1, long P2) {
#define WORD1X (*wORD1X)
#define WORD2 (*wORD2)
#define WORD2X (*wORD2X)
bool fGETIN(FILE *input, long *wORD1, long *wORD1X, long *wORD2, long *wORD2X) {
void fGETIN(FILE *input, long *wORD1, long *wORD1X, long *wORD2, long *wORD2X) {
long JUNK;
/* Get a command from the adventurer. Snarf out the first word, pad it with
@ -185,8 +185,7 @@ long JUNK;
L10: if(BLKLIN)TYPE0();
MAPLIN(input);
if (feof(input))
return false;
if(input == stdin && feof(stdin)) score(1);
WORD1=GETTXT(true,true,true,0);
if(BLKLIN && WORD1 < 0) goto L10;
WORD1X=GETTXT(false,true,true,0);
@ -196,7 +195,7 @@ L12: JUNK=GETTXT(false,true,true,0);
WORD2X=GETTXT(false,true,true,0);
L22: JUNK=GETTXT(false,true,true,0);
if(JUNK > 0) goto L22;
if(GETTXT(true,true,true,0) <= 0)return true;
if(GETTXT(true,true,true,0) <= 0)return;
RSPEAK(53);
goto L10;
}
@ -724,7 +723,7 @@ L2: ATDWRF=I;
/* Utility routines (SETBIT, TSTBIT, set_seed, get_next_lcg_value, randrange, RNDVOC, BUG) */
/* Utility routines (SETBIT, TSTBIT, set_seed_from_time, get_next_lcg_value, randrange, RNDVOC, BUG) */
#undef SETBIT
long fSETBIT(long BIT) {
@ -759,9 +758,11 @@ long TSTBIT;
#define TSTBIT(MASK,BIT) fTSTBIT(MASK,BIT)
void set_seed(long seedval)
void set_seed_from_time(void)
{
lcgstate.x = (unsigned long) seedval % lcgstate.m;
/* Use the current system time to get seed the ISO rand() function, from which we get a seed for the LCG. */
srand(time(NULL));
lcgstate.x = (unsigned long) rand() % lcgstate.m;
}
unsigned long get_next_lcg_value(void)
@ -854,7 +855,7 @@ void fBUG(long NUM) {
#define BUG(NUM) fBUG(NUM)
#undef MAPLIN
void fMAPLIN(FILE *OPENED) {
signed char *cp;
long I, VAL;
/* Read a line of input, from the specified input source,
* translate the chars to integers in the range 0-126 and store
@ -883,24 +884,23 @@ void fMAPLIN(FILE *OPENED) {
if(MAP2[1] == 0)MPINIT();
if (!oldstyle && SETUP && OPENED == stdin)
if (!oldstyle && SETUP)
fputs("> ", stdout);
do {
IGNORE(fgets(raw_input,sizeof(INLINE)-1,OPENED));
} while
/* allow comments in logfiles */
(!feof(OPENED) && raw_input[0] == '#');
IGNORE(fgets(INLINE+1,sizeof(INLINE)-1,OPENED));
if (feof(OPENED)) {
if (logfp && OPENED == stdin)
if (logfp)
fclose(logfp);
} else {
if (logfp)
IGNORE(fputs(raw_input, logfp));
IGNORE(fputs(INLINE+1, logfp));
else if (!isatty(0))
IGNORE(fputs(raw_input, stdout));
for (cp = raw_input; *cp; cp++)
INLINE[cp - raw_input + 1]=MAP1[*cp + 1];
LNLENG = (cp - raw_input);
IGNORE(fputs(INLINE+1, stdout));
LNLENG=0;
for (I=1; I<=sizeof(INLINE) && INLINE[I]!=0; I++) {
VAL=INLINE[I]+1;
INLINE[I]=MAP1[VAL];
if(INLINE[I] != 0)LNLENG=I;
} /* end loop */
LNPOSN=1;
}
}

5
misc.h
View file

@ -1,6 +1,5 @@
#include <time.h>
#include <stdio.h>
#include <stdbool.h>
/* b is not needed for POSIX but harmless */
#define READ_MODE "rb"
@ -14,7 +13,7 @@ extern void fRSPEAK(long);
#define RSPEAK(I) fRSPEAK(I)
extern void fSETPRM(long,long,long);
#define SETPRM(FIRST,P1,P2) fSETPRM(FIRST,P1,P2)
extern bool fGETIN(FILE *,long*,long*,long*,long*);
extern void fGETIN(FILE *,long*,long*,long*,long*);
#define GETIN(input,WORD1,WORD1X,WORD2,WORD2X) fGETIN(input,&WORD1,&WORD1X,&WORD2,&WORD2X)
extern long fYES(FILE *,long,long,long);
#define YES(input,X,Y,Z) fYES(input,X,Y,Z)
@ -73,6 +72,6 @@ extern long fIABS(long);
#define IABS(N) fIABS(N)
extern long fMOD(long,long);
#define MOD(N,M) fMOD(N,M)
extern void set_seed(long);
extern void set_seed_from_time(void);
extern unsigned long get_next_lcg_value(void);
extern long randrange(long);