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Clean up logic for exiting input loop and scoring.

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This commit is contained in:
Eric S. Raymond 2017-05-24 11:16:59 -04:00
parent 263b5ac3ba
commit c703bd78d9
3 changed files with 30 additions and 29 deletions
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45
main.c
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@ -54,7 +54,7 @@ extern int action(FILE *, long);
* MAIN PROGRAM
*/
static void do_command(FILE *);
static bool do_command(FILE *);
int main(int argc, char *argv[]) {
int ch;
@ -73,7 +73,7 @@ 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",
@ -138,11 +138,13 @@ L1: SETUP= -1;
if (logfp)
fprintf(logfp, "seed %ld\n", starttime);
for (;;) {
do_command(stdin);
if (!do_command(stdin))
break;
}
score(1);
}
static void do_command(FILE *cmdin) {
static bool do_command(FILE *cmdin) {
/* Can't leave cave once it's closing (except by main office). */
@ -394,7 +396,8 @@ L2603: if(!CLOSED) goto L2605;
L2605: WZDARK=DARK(0);
if(KNFLOC > 0 && KNFLOC != LOC)KNFLOC=0;
I=0;
GETIN(cmdin, WD1,WD1X,WD2,WD2X);
if (!GETIN(cmdin, WD1,WD1X,WD2,WD2X))
return false;
/* 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. */
@ -474,7 +477,7 @@ L4090: I=4090; goto Laction;
L5000: I=5000;
Laction:
switch (action(cmdin, I)) {
case 2: return;
case 2: return true;
case 8: goto L8;
case 2000: goto L2000;
case 2009: goto L2009;
@ -510,7 +513,7 @@ L8000: SETPRM(1,WD1,WD1X);
L8: KK=KEY[LOC];
NEWLOC=LOC;
if(KK == 0)BUG(26);
if(K == NUL) return;
if(K == NUL) return true;
if(K == BACK) goto L20;
if(K == LOOK) goto L30;
if(K == CAVE) goto L40;
@ -541,11 +544,11 @@ L13: if(NEWLOC <= 100) goto L14;
L14: if(NEWLOC != 0 && !PCT(NEWLOC)) goto L12;
L16: NEWLOC=MOD(LL,1000);
if(NEWLOC <= 300) return;
if(NEWLOC <= 300) return true;
if(NEWLOC <= 500) goto L30000;
RSPEAK(NEWLOC-500);
NEWLOC=LOC;
return;
return true;
/* Special motions come here. Labelling convention: statement numbers NNNXX
* (XX=00-99) are used for special case number NNN (NNN=301-500). */
@ -560,10 +563,10 @@ 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;
if(HOLDNG == 0 || (HOLDNG == 1 && TOTING(EMRALD))) return true;
NEWLOC=LOC;
RSPEAK(117);
return;
return true;
/* 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
@ -587,11 +590,11 @@ L30300: if(PROP[TROLL] != 1) goto L30310;
MOVE(TROLL+100,FIXD[TROLL]);
JUGGLE(CHASM);
NEWLOC=LOC;
return;
return true;
L30310: NEWLOC=PLAC[TROLL]+FIXD[TROLL]-LOC;
if(PROP[TROLL] == 0)PROP[TROLL]=1;
if(!TOTING(BEAR)) return;
if(!TOTING(BEAR)) return true;
RSPEAK(162);
PROP[CHASM]=1;
PROP[TROLL]=2;
@ -615,7 +618,7 @@ L20: K=OLDLOC;
if(CNDBIT(LOC,4))K2=274;
if(K2 == 0) goto L21;
RSPEAK(K2);
return;
return true;
L21: LL=MOD((IABS(TRAVEL[KK])/1000),1000);
if(LL == K) goto L25;
@ -629,7 +632,7 @@ L22: if(TRAVEL[KK] < 0) goto L23;
L23: KK=K2;
if(KK != 0) goto L25;
RSPEAK(140);
return;
return true;
L25: K=MOD(IABS(TRAVEL[KK]),1000);
KK=KEY[LOC];
@ -642,14 +645,14 @@ L30: if(DETAIL < 3)RSPEAK(15);
DETAIL=DETAIL+1;
WZDARK=false;
ABB[LOC]=0;
return;
return true;
/* Cave. Different messages depending on whether above ground. */
L40: K=58;
if(OUTSID(LOC) && LOC != 8)K=57;
RSPEAK(K);
return;
return true;
/* Non-applicable motion. Various messages depending on word given. */
@ -662,11 +665,7 @@ L50: SPK=12;
if(K == 62 || K == 65)SPK=42;
if(K == 17)SPK=80;
RSPEAK(SPK);
return;
return true;
/* "You're dead, Jim."
*
@ -880,7 +879,7 @@ L11000: PROP[BOTTLE]=PUT(BOTTLE,115,1);
RSPEAK(132);
CLOSED=true;
return;
return true;
/* 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