minix/commands/advent/english.c
2009-11-09 10:26:00 +00:00

676 lines
17 KiB
C

/* program ENGLISH.C */
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#include "advent.h"
#include "advdec.h"
#define ALL 109
#define ENTER 3
#define CRAWL 17
#define JUMP 39
#define CLIMB 56
#define XYZZY 62
#define PLUGH 65
#define PLOVER 71
#define PHUCE 82
_PROTOTYPE(static void getwords, (void));
_PROTOTYPE(static void clrlin, (void));
_PROTOTYPE(static void doobj, (int *));
_PROTOTYPE(static boolean doiobj, (void));
_PROTOTYPE(static boolean do_scoop_up, (void));
_PROTOTYPE(static boolean check_next, (void));
static char buffer[INPUTBUFLEN] = {'\0', '\0', '\0', '\0'};
static char *txt[MAXWORDS] = {buffer, buffer, buffer, buffer};
static char *cindex = buffer;
static boolean pflag;
static int vrbkey, words[MAXWORDS] = {0, 0, 0, 0}, word, wdx = 0;
static int takdir[20] = {2, 6, 9, 10, 11, 13, 14, 17, 23, 25,
33, 34, 36, 37, 39, 78, 79, 80, 89, -1};
static int vkey[60] = {
0, 199, 9, 0, 130, 0, 197, 0, 0, 243,
0, 0, 89, 140, 0, 5, 0, 227, 0, 0,
0, 31, 42, 0, 0, 0, 0, 172, 1, 0,
0, 0, 254, 0, 69, 0, 0, 92, 0, 0,
138, 137, 149, 239, 45, 74, 183, 0, 0, 112,
241, 0, 114, 0, 30, 0, 0, 0, 0, 0
};
static int ptab[260] = {
0, 3028, 3065, 3009, -3005, 5071, 5070, 5058, -5020, 19055,
19108, 19038, 19020, 19071, 19070, 19058, 19004, 19048, 19091, 19094,
19112, 19002, 19118, 2062, 2066, 2047, 2067, 2053, 2065, -2010,
-3114, 4034, 4011, 4101, 4035, 4099, 4098, 4017, 4104, 4014,
4015, -4087, 3083, 3085, -3081, 5055, 5108, 5020, 5071, 5070,
5058, 5004, 5048, 5091, 5112, 5099, 5118, 19055, 19108, 19020,
19071, 19070, 19058, 19004, 19048, 19091, 19112, 19099,-19118, 3028,
3065, 3009, 3005, -3018, 19055, 19108, 19038, 19020, 19071, 19070,
19058, 19004, 19004, 19048, 19091, 19094, 19112, 19002,-19118, 3028,
3065, -3018, 19055, 19108, 19038, 19020, 19071, 19070, 19058, 19004,
19048, 19091, 19094, 19112, 19118, 2062, 2066, 2047, 2067, 2053,
2065, -2010, 3102, -3090, 19055, 19108, 19020, 19071, 19070, 19058,
19004, 19048, 19091, 19014, 19015, 19112, 19118, 19120, 19120, -9999,
3090, 3102, 3028, 3057, 3065, 3009, -3005,-29999, 2052, -2068,
2024, 2065, 2091, 2042, 2073, 5071, 5070, 5058, -5020, 30999,
2062, 2066, 2047, 2067, 2053, 2065, 2010, 2073, 19055, 19108,
19038, 19020, 19071, 19070, 19058, 19004, 19048, 19091, 19094, 19112,
19002,-19118, 2014, 2015, 2013, 2999, 5014, 5015, 5013, 5999,
5110, 5113, -5999, 5055, 5108, 5020, 5071, 5070, 5058, 5004,
5048, 5091, 5014, 5015, 5112, 5099, -5118, 3102, -3090, 6066,
6047, 6067, 6053, 6072, 6073, 5055, 5108, 5020, 5071, 5070,
5004, 5004, 5048, 5091, 5112, 5099, 5118, 19055, 19108, 19020,
19071, 19070, 19058, 19004, 19048, 19091,-19118, 4034, 4011, 4101,
4035, 4099, 4098, 4017, 4104, 4027, 4087, 9999,-30999, 2002,
-6002, 3102, -3090, 9999, 4034, 4011, 4101, 4035, 4099, 4087,
4098, 4017, 4104, -4027, -5999, 0, 0, 0, 0, 0,
};
static int adjkey[40] = {
0, 15, 38, 64, 4, 63, 1, 61, 62, 67,
9, 27, 53, 46, 47, 60, 31, 39, 40, 6,
43, 26, 32, 28, 34, 50, 49, 45, 44, 10,
20, 25, 21, 36, 37, 30, 33, 0, 0, 0
};
static int adjtab[70] = {
0, 5, 98, -83, 2, -90, 66, 41, -90, -39,
41, 14, 15, 50, -11, 50, 64, 56, 72, -74,
-19, 119, 59, 73, -118, -119, -70, -41, 95, -118,
-118, -58, -71, -120, 110, -108, -120, -73, -62, -60,
110, 54, -63, -67, -41, -27, -47, 52, -75, -69,
65, 112, -3, 41, 72, 90, 20, 101, 107, -118,
-55, -10, -38, -4, 48, 9, -71, -39, 0, 0
};
/*
Analyze a two word sentence
*/
int english()
{
char *ch_ptr, *word1, *word2;
int type, val, type2, val2, adj, k, kk;
static int iwest = 0;
if (!(words[++wdx])) {
getwords();
wdx = 0;
}
pflag = FALSE;
word = words[wdx];
if (word < 0) { /* check first word */
printf("I didn't understand the word \"%s\"\n", txt[wdx]);
words[wdx+1] = 0;
return (FALSE); /* didn't know it */
}
type2 = val2 = -1;
type = CLASS(word);
clrlin();
val = VAL(word);
if (words[wdx + 1] && CLASS(words[wdx + 1]) != CONJUNCTION) {
/* 'SAY' or 'CALL'. If no next word, pass on to higher powers. */
if (type == ACTION && (val == SAY || val == YELL)) {
word = words[++wdx];
if (!(word == XYZZY || word == PLUGH
|| word == PLOVER || word == PHUCE)) {
if (val == SAY)
printf("Okay, \"%s\".\n", txt[wdx]);
else {
for (ch_ptr = txt[wdx]; *ch_ptr; ch_ptr++)
if (islower(*ch_ptr))
*ch_ptr = toupper(*ch_ptr);
printf("Okay, \"%s\"!!!!!\n", txt[wdx]);
}
return (FALSE);
}
} else {
word1 = txt[wdx];
word2 = txt[wdx + 1];
/* Special stuff for 'ENTER'. Can't go into water. 'ENTER
BOAT' means 'TAKE BOAT' */
if (word == ENTER) {
if (CLASS(words[wdx + 1]) == NOUN && VAL(words[wdx + 1]) == BOAT)
word = TAKE + 2000;
else if ((strcmp(word2, "stream") == 0)
|| (strcmp(word2, "water") == 0)
|| (strcmp(word2, "reservoir") == 0)
|| (strcmp(word2, "ocean") == 0)
|| (strcmp(word2, "sea") == 0)
|| (strcmp(word2, "pool") == 0)) {
rspeak(liqloc(g.loc) == WATER ? 70 : 43);
wdx++;
return (FALSE);
}
} else {
type2 = CLASS(words[wdx + 1]);
val2 = VAL(words[wdx + 1]);
/* 'LEAVE' is motion verb, unsless leaving an object.
E.G., 'LEAVE BOAT' or 'LEAVE BOTTLE'. BUt make sure
to leave ('DROP') only totable objects. */
if (strcmp(word1, "leave") == 0 && type2 == NOUN) {
if (!hinged(val2) || g.fixed[val2])
word = LEAVE + 2000;
/* IF 'LIGHT LAMP', Light must be taken as an
action verb, not a noun. */
} else if (strcmp(word1, "light") == 0
&& VAL(words[wdx + 1]) == LAMP) {
word = ON + 2000;
/* 'WATER PLANT' becomes 'POUR WATER', If we are at
plant. 'OIL DOOR' becomes 'POUR OIL', etc., etc. */
} else if ((strcmp(word1, "water") == 0 || strcmp(word1, "oil") == 0)
&& (strcmp(word2, "plant") == 0 || strcmp(word2, "door") == 0
|| strcmp(word2, "sword") == 0 || strcmp(word2, "anvil") == 0)
&& at(val2)) {
words[wdx + 1] = word;
txt[wdx + 1] = txt[wdx];
word = POUR + 2000;
}
}
}
}
/* This is the 'inner' loop. Dispatching of all word in a clause
after the first comes through here. */
do {
switch (CLASS(word)) {
case MOTION:
{
boolean do_part2;
int i;
do_part2 = FALSE;
type = CLASS(verbs[vrbx]);
val = VAL(verbs[vrbx]);
if (!vrbx)
do_part2 = TRUE;
else {
if (type > ACTION) {
rspeak(confuz());
return (FALSE);
}
}
if (type == ACTION) {
if (val == GO)
do_part2 = TRUE;
else {
if (val == TAKE) {
for (i = 0; i < 20; i++)
if (takdir[i] == val)
do_part2 = TRUE;
}
if (!do_part2) {
word = vocab(txt[wdx], 1);
if (word)
words[wdx--] = word;
}
}
} else if (type != CRAWL && type != JUMP
&& type != CLIMB)
do_part2 = TRUE;
if (do_part2) {
verbs[1] = word;
vrbx = 1;
if (strcmp(txt[wdx], "west") == 0) {
iwest++;
if (iwest == 10)
rspeak(17);
}
}
break;
}
case NOUN:
if (pflag) {
if (!doiobj())
return (FALSE);
} else {
word = VAL(word);
if (word == ALL) {
if (!do_scoop_up())
return (FALSE);
} else {
doobj(&word);
if (word > 0) {
objs[++objx] = word;
otxt[objx] = txt[wdx];
} else {
clrlin();
pflag = FALSE;
wdx++;
while (words[wdx]) {
if (CLASS(words[wdx]) == CONJUNCTION)
break;
wdx++;
}
if (words[wdx] == 0)
return (FALSE);
}
}
}
break;
case ACTION:
if (vrbx == 0)
vrbx++;
else {
if (VAL(verbs[vrbx]) == TAKE) {
val = VAL(word);
if (val == DRINK || val == INVENTORY
|| val == SCORE || val == NOTHING
|| val == LOOK);
else if (val == GO && (
strcmp(txt[wdx], "walk") == 0
|| strcmp(txt[wdx], "run") == 0
|| strcmp(txt[wdx], "hike") == 0));
else {
rspeak(confuz());
return (FALSE);
}
} else if (objx || CLASS(words[wdx - 1]) == CONJUNCTION) {
rspeak(confuz());
return (FALSE);
}
}
verbs[vrbx] = word;
vtxt[vrbx] = txt[wdx];
break;
case MISC:
if (vrbx) {
rspeak(confuz());
return (FALSE);
}
verbs[1] = word;
vrbx = 1;
break;
case PREPOSITION:
if (CLASS(verbs[vrbx]) != ACTION || iobx) {
rspeak(confuz());
return (FALSE);
}
vrbkey = vkey[VAL(verbs[vrbx])];
if (!vrbkey) {
rspeak(confuz());
return (FALSE);
}
prep = VAL(word);
pflag = TRUE;
break;
case ADJACTIVE:
/* Adjective handler. Scarf the next word, make sure it is
a valid object for this object. Then call getobj to see
if it is really there, Then link into object code. */
adj = VAL(word);
if (!check_next())
return (FALSE);
else if (CLASS(word) == CONJUNCTION) {
printf("%s what?\n", txt[wdx - 1]);
return (FALSE);
} else {
if (CLASS(word) != NOUN)
word = vocab(txt[wdx], NOUN);
if (word == -1 || CLASS(word) != NOUN || VAL(word) == ALL) {
rspeak(confuz());
return (FALSE);
}
words[wdx] = word;
kk = VAL(word);
for (k = adjkey[adj]; adjtab[k] >= 0; k++) {
if (kk == abs(adjtab[k]))
break;
}
if (adjtab[k] < 0) {
rspeak(confuz());
return (FALSE);
}
}
break;
case CONJUNCTION:
if (!check_next())
return (FALSE);
switch (CLASS(word)) {
case MOTION:
case ACTION:
case MISC:
words[wdx--] = 0;
break;
case NOUN:
case ADJACTIVE:
break;
case PREPOSITION:
case CONJUNCTION:
rspeak(confuz());
return (FALSE);
default:
bug(33);
}
break;
default:
bug(33);
}
word = words[++wdx];
if (word < 0) {
if (pct(50))
printf("I don't understand the word %s?\n", txt[wdx]);
else
printf("Mumble ? %s\n", txt[wdx]);
words[wdx+1] = 0;
return (FALSE);
}
type = CLASS(word);
if (type == NOUN) {
/* It's not the first: Make sure he included a comma or
'and'. Differenctiate between direct & indirect objects.
Check for special case of multiple ofjects: 'feed bear
honey' or 'throw troll nugget'. */
if ((pflag ? iobx : objx)
&& CLASS(words[wdx - 1]) != CONJUNCTION) {
val = VAL(verbs[vrbx]);
if (!living(objs[objx]) || (val != THROW && val != FEED)) {
rspeak(confuz());
return (FALSE);
}
iobx++;
iobjs[iobx] = objs[objx];
objs[objx] = 0;
objx++;
}
}
} while (word);
if (verbs[1] == 0) {
if (objs[1] == 0) {
rspeak(confuz());
clrlin();
} else if (objs[2])
printf("What do you want to do with them?\n");
else
printf("What do you want to do with %s?\n", otxt[1]);
return (FALSE);
} else if (objx > 1 && iobx > 1) {
rspeak(confuz());
return (FALSE);
}
return (TRUE);
}
/*
retrieve input line (max INPUTBUFLEN chars), convert to lower case
& rescan for first two words (max. WORDSIZE-1 chars).
*/
static void getwords()
{
static int wdx = 0;
int i, term_loc;
char terminator;
if (*cindex == '\0') {
while (!*ask("\n> ", buffer, sizeof(buffer))) ;
for (cindex = buffer; *cindex; cindex++)
if (isupper(*cindex))
*cindex = tolower(*cindex);
cindex = buffer;
}
wdx = 0;
buffer[sizeof(buffer)-1] = '\0';
for (i = 0; i < MAXWORDS; i++) {
txt[i] = &buffer[sizeof(buffer)-1];
words[i] = 0;
}
do {
while (*cindex == ' ')
cindex++;
txt[wdx] = cindex;
term_loc = strcspn(cindex, " ,.;\n");
cindex += term_loc;
terminator = *cindex;
*cindex++ = '\0';
if ((strcmp(txt[wdx], "a") != 0)
&& (strcmp(txt[wdx], "the") != 0)
&& (strcmp(txt[wdx], "an") != 0)) {
words[wdx] = vocab(txt[wdx], 0);
wdx++;
}
if (terminator == ',') {
txt[wdx] = "and";
words[wdx] = vocab(txt[wdx], 0);
wdx++;
}
}
while ((terminator != ';') && (terminator != '.')
&& (terminator != '\0') && (terminator != '\n'));
if (terminator == '\0')
cindex--;
return;
}
/* CLRIN, clears out all surrent syntax args in preparation for
* new input line
*/
static void clrlin()
{
int i;
for (i = 0; i < MAXWORDS; i++) {
verbs[i] = 0;
vtxt[i] = &buffer[sizeof(buffer)-1];
}
for (i = 0; i < MAXITEMS; i++) {
objs[i] = 0;
otxt[i] = &buffer[sizeof(buffer)-1];
iobjs[i] = 0;
iotxt[i] = &buffer[sizeof(buffer)-1];
}
vrbx = 0;
objx = 0;
iobx = 0;
prep = 0;
}
/*
Routine to process an object.
*/
static void doobj(object)
int *object;
{
int msg;
if (holding(*object))
return;
if (blind()) {
printf("I see no %s here.\n", txt[wdx]);
*object = 0;
return;
}
/* Is object here? if so, transitive */
if (g.fixed[*object] == g.loc || athand(*object))
return;
else if (here(*object)) {
msg = plural(*object) ? 373 : 335;
*object = 0;
rspeak(msg);
}
/* Did he give grate as destination? */
else if (*object == GRATE) {
if (g.loc == 1 || g.loc == 4 || g.loc == 7) {
verbs[1] = DEPRESSION;
vrbx = 1;
return;
} else if (g.loc > 9 && g.loc < 15) {
verbs[1] = ENTRANCE;
vrbx = 1;
return;
}
}
/* Is it a dwarf he is after? */
else if (dcheck() && g.dflag >= 2) {
*object = DWARF;
}
/* Is he trying to get/use a liquid? */
else if (liqloc(g.loc) == *object
|| (liq(BOTTLE) == *object && athand(BOTTLE))
|| (liq(CASK) == *object && athand(CASK)));
else if (*object == PLANT && at(PLANT2) &&
g.prop[PLANT2] == 0) {
*object = PLANT2;
} else if (*object == ROCKS && at(CARVNG)) {
*object = CARVNG;
}
/* Is he trying to grab a knife? */
else if (*object == KNIFE && g.knfloc == g.loc) {
rspeak(116);
g.knfloc = -1;
}
/* Is he trying to get at dynamite? */
else if (*object == ROD && athand(ROD2)) {
*object = ROD2;
} else if (*object == DOOR && (at(SAFE) || at(TDOOR)
|| at(TDOOR2) || at(PDOOR))) {
if (at(TDOOR2))
*object = TDOOR2;
else if (at(PDOOR))
*object = PDOOR;
else if (at(SAFE))
*object = SAFE;
else
*object = TDOOR;
} else if (*object == BOOK && athand(BOOK2)) {
*object = BOOK2;
} else if (!(verbs[vrbx] == FIND || verbs[vrbx] == INVENTORY)) {
*object = 0;
printf("I see no %s here.\n", txt[wdx]);
}
return;
}
static boolean doiobj()
{
char dk[INPUTBUFLEN], dkk[INPUTBUFLEN];
int kk;
boolean ok;
/* checks object is valid for this preposition */
ok = TRUE;
word = VAL(word);
if (word != ALL) {
doobj(&word);
if (word > 0) {
iobjs[++iobx] = word;
iotxt[iobx] = txt[wdx];
} else
ok = FALSE;
}
kk = abs(ptab[vrbkey]) / 1000;
if (kk == prep) {
/* preprosition is valid with this verb now check object of
preprosition */
if (word == 0 || CLASS(word) == CONJUNCTION) {
/* no object following prepresition: check special cases */
pflag = FALSE;
strcpy(dk, txt[--wdx]);
strcpy(dkk, vtxt[vrbx]);
ok = FALSE;
if ((strcmp(dk, "on") == 0
|| strcmp(dk, "off") == 0)
&& (strcmp(dkk, "turn") == 0
|| objs[objx] == LAMP))
ok = TRUE;
if (strcmp(dkk, "take") == 0
|| strcmp(dkk, "put") == 0)
ok = TRUE;
if (strcmp(dk, "up") == 0
&& strcmp(dkk, "pick") == 0)
ok = TRUE;
if (strcmp(dk, "down") == 0
&& (strcmp(dkk, "put") == 0 || verbs[vrbx] == THROW) )
ok = TRUE;
} else {
/* object follows preposition See if it's plausible. */
kk = abs(ptab[vrbkey]) % 1000;
if (kk == word && kk == ALL) {
if (!do_scoop_up())
return (FALSE);
} else if (!(kk == word || kk == 999)) {
vrbkey++;
ok = ptab[vrbkey - 1] < 0 ? FALSE : TRUE;
}
}
}
return (ok);
}
static boolean do_scoop_up()
{
int i, val;
val = VAL(verbs[vrbx]);
if (val == DROP || val == PUT || val == LEAVE) {
for (i = 1; i < MAXOBJ; i++) {
if (!athand(i) || g.fixed[i])
continue;
if (i > WATER && i <= WINE + 1)
continue;
if (toting(i)) {
objs[++objx] = i;
otxt[objx] = "BUG???";
if (objx >= 44)
break;
}
}
}
if (val == TAKE || val == PICK || val == GET) {
if (blind()) {
rspeak(357);
return (FALSE);
} else {
for (i = 1; i < MAXOBJ; i++) {
if (!athand(i) || g.fixed[i])
continue;
if (i > WATER && i <= WINE + 1)
continue;
if (!toting(i)) {
objs[++objx] = i;
otxt[objx] = "BUG???";
if (objx >= 44)
break;
}
}
}
}
return (TRUE);
}
static boolean check_next()
{
word = words[wdx + 1];
if (word > 0)
return (TRUE);
else if (word == 0)
rspeak(confuz());
else {
if (pct(50))
printf("I don't understand the word %s?\n", txt[wdx]);
else
printf("Mumble ? %s\n", txt[wdx]);
words[wdx+1] = 0;
}
return (FALSE);
}