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