17 /* hard limit, will be propagated to database.h */
20 const char advent_to_ascii[] = {0, 32, 33, 34, 39, 40, 41, 42, 43, 44, 45, 46, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 37, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 0, 1, 2, 3, 4, 5, 6, 7, 8, 0, 0, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 35, 36, 38, 47, 58, 59, 60, 61, 62, 63, 64, 91, 92, 93, 94, 95, 96, 123, 124, 125, 126, 0};
21 /* Rendered from the now-gone MPINIT() function */
22 const char ascii_to_advent[] = {0, 74, 75, 76, 77, 78, 79, 80, 81, 82, 0, 0, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 0, 1, 2, 106, 107, 63, 108, 3, 4, 5, 6, 7, 8, 9, 10, 109, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 110, 111, 112, 113, 114, 115, 116, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 117, 118, 119, 120, 121, 122, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 123, 124, 125, 126, 83};
24 // Global variables for use in functions below that can gradually disappear as code is cleaned up
27 char INLINE[LINESIZE+1];
31 // Storage for what comes out of the database
38 long PTEXT[NOBJECTS+1];
39 long RTEXT[RTXSIZ + 1];
40 long CTEXT[CLSMAX + 1];
41 long OBJSND[NOBJECTS+1];
42 long OBJTXT[NOBJECTS+1];
43 long STEXT[LOCSIZ + 1];
44 long LTEXT[LOCSIZ + 1];
45 long COND[LOCSIZ + 1];
47 long LOCSND[LOCSIZ + 1];
48 long LINES[LINSIZ + 1];
49 long CVAL[CLSMAX + 1];
50 long TTEXT[TRNSIZ + 1];
51 long TRNVAL[TRNSIZ + 1];
52 long TRAVEL[TRVSIZ + 1];
53 long KTAB[TABSIZ + 1];
54 long ATAB[TABSIZ + 1];
55 long PLAC[NOBJECTS+1];
56 long FIXD[NOBJECTS+1];
57 long ACTSPK[VRBSIZ + 1];
58 long HINTS[HNTSIZ + 1][5];
60 bool is_set(long, long);
61 long GETTXT(long, long, long);
65 int read_database(FILE*);
66 void read_messages(FILE*, long);
67 void read_section3_stuff(FILE*);
68 void read_vocabulary(FILE*);
69 void read_initial_locations(FILE*);
70 void read_action_verb_message_nr(FILE*);
71 void read_conditions(FILE*);
72 void read_hints(FILE*);
73 void read_sound_text(FILE*);
74 void write_0d(FILE*, FILE*, long, char*);
75 void write_1d(FILE*, FILE*, long[], long, char*);
76 void write_hints(FILE*, FILE*, long[][5], long, long, char*);
77 void write_files(FILE*, FILE*);
79 bool is_set(long var, long position)
81 long mask = 1l << position;
82 bool result = (var & mask) == mask;
86 long GETTXT(long SKIP,long ONEWRD, long UPPER) {
87 /* Take characters from an input line and pack them into 30-bit words.
88 * Skip says to skip leading blanks. ONEWRD says stop if we come to a
89 * blank. UPPER says to map all letters to uppercase. If we reach the
90 * end of the line, the word is filled up with blanks (which encode as 0's).
91 * If we're already at end of line when GETTXT is called, we return -1. */
94 static long SPLITTING = -1;
96 if(LNPOSN != SPLITTING)
102 if((!SKIP) || INLINE[LNPOSN] != 0)
108 for (int I=1; I<=5; I++) {
110 if(LNPOSN > LNLENG || (ONEWRD && INLINE[LNPOSN] == 0))
112 char current=INLINE[LNPOSN];
115 if(UPPER && current >= 37)
121 if(SPLITTING != LNPOSN) {
127 TEXT=TEXT+current-63;
137 /* The following conditions are currently considered fatal bugs. Numbers < 20
138 * are detected while reading the database; the others occur at "run time".
139 * 0 Message line > 70 characters
140 * 1 Null line in message
141 * 2 Too many words of messages
142 * 3 Too many travel options
143 * 4 Too many vocabulary words
144 * 5 Required vocabulary word not found
145 * 6 Too many RTEXT messages
147 * 8 Location has cond bit being set twice
148 * 9 Invalid section number in database
149 * 10 Too many locations
150 * 11 Too many class or turn messages
151 * 20 Special travel (500>L>300) exceeds goto list
152 * 21 Ran off end of vocabulary table
153 * 22 Vocabulary type (N/1000) not between 0 and 3
154 * 23 Intransitive action verb exceeds goto list
155 * 24 Transitive action verb exceeds goto list
156 * 25 Conditional travel entry with no alternative
157 * 26 Location has no travel entries
158 * 27 Hint number exceeds goto list
159 * 28 Invalid month returned by date function
160 * 29 Too many parameters given to SETPRM */
162 fprintf(stderr, "Fatal error %ld. See source code for interpretation.\n", NUM);
166 void MAPLIN(FILE *OPENED) {
167 /* Read a line of input, from the specified input source,
168 * translate the chars to integers in the range 0-126 and store
169 * them in the common array "INLINE". Integer values are as follows:
170 * 0 = space [ASCII CODE 40 octal, 32 decimal]
171 * 1-2 = !" [ASCII 41-42 octal, 33-34 decimal]
172 * 3-10 = '()*+,-. [ASCII 47-56 octal, 39-46 decimal]
173 * 11-36 = upper-case letters
174 * 37-62 = lower-case letters
175 * 63 = percent (%) [ASCII 45 octal, 37 decimal]
176 * 64-73 = digits, 0 through 9
177 * Remaining characters can be translated any way that is convenient;
178 * The "TYPE" routine below is used to map them back to characters when
179 * necessary. The above mappings are required so that certain special
180 * characters are known to fit in 6 bits and/or can be easily spotted.
181 * Array elements beyond the end of the line should be filled with 0,
182 * and LNLENG should be set to the index of the last character.
184 * If the data file uses a character other than space (e.g., tab) to
185 * separate numbers, that character should also translate to 0.
187 * This procedure may use the map1,map2 arrays to maintain static data for
188 * the mapping. MAP2(1) is set to 0 when the program starts
189 * and is not changed thereafter unless the routines on this page choose
193 fgets(INLINE + 1, sizeof(INLINE) - 1, OPENED);
195 while (!feof(OPENED) && INLINE[1] == '#');
198 for (size_t i = 1; i <= sizeof(INLINE) && INLINE[i] != 0; ++i)
200 char val = INLINE[i] + 1;
201 INLINE[i] = ascii_to_advent[(unsigned)val];
208 long GETNUM(FILE *source) {
209 /* Obtain the next integer from an input line. If K>0, we first read a
210 * new input line from a file; if K<0, we read a line from the keyboard;
211 * if K=0 we use a line that has already been read (and perhaps partially
212 * scanned). If we're at the end of the line or encounter an illegal
213 * character (not a digit, hyphen, or blank), we return 0. */
215 long DIGIT, GETNUM, SIGN;
217 if(source != NULL) MAPLIN(source);
220 while (INLINE[LNPOSN] == 0) {
221 if (LNPOSN > LNLENG) return(GETNUM);
225 if(INLINE[LNPOSN] != 9)
234 while (!(LNPOSN > LNLENG || INLINE[LNPOSN] == 0))
236 DIGIT=INLINE[LNPOSN]-64;
237 if(DIGIT < 0 || DIGIT > 9)
242 GETNUM=GETNUM*10+DIGIT;
251 int read_database(FILE* database) {
253 /* Clear out the various text-pointer arrays. All text is stored in array
254 * lines; each line is preceded by a word pointing to the next pointer (i.e.
255 * the word following the end of the line). The pointer is negative if this is
256 * first line of a message. The text-pointer arrays contain indices of
257 * pointer-words in lines. STEXT(N) is short description of location N.
258 * LTEXT(N) is long description. PTEXT(N) points to message for PROP(N)=0.
259 * Successive prop messages are found by chasing pointers. RTEXT contains
260 * section 6's stuff. CTEXT(N) points to a player-class message. TTEXT is for
261 * section 14. We also clear COND (see description of section 9 for details). */
263 for (int I=1; I<=300; I++) {
264 if(I <= NOBJECTS) PTEXT[I] = 0;
265 if(I <= RTXSIZ) RTEXT[I] = 0;
266 if(I <= CLSMAX) CTEXT[I] = 0;
267 if(I <= NOBJECTS) OBJSND[I] = 0;
268 if(I <= NOBJECTS) OBJTXT[I] = 0;
269 if(I > LOCSIZ) break;
282 /* Start new data section. Sect is the section number. */
286 long SECT=GETNUM(database);
291 case 1: read_messages(database, SECT); break;
292 case 2: read_messages(database, SECT); break;
293 case 3: read_section3_stuff(database); break;
294 case 4: read_vocabulary(database); break;
295 case 5: read_messages(database, SECT); break;
296 case 6: read_messages(database, SECT); break;
297 case 7: read_initial_locations(database); break;
298 case 8: read_action_verb_message_nr(database); break;
299 case 9: read_conditions(database); break;
300 case 10: read_messages(database, SECT); break;
301 case 11: read_hints(database); break;
303 case 13: read_sound_text(database); break;
304 case 14: read_messages(database, SECT); break;
311 /* Sections 1, 2, 5, 6, 10, 14. Read messages and set up pointers. */
312 void read_messages(FILE* database, long SECT)
319 LOC=GETNUM(database);
320 if(LNLENG >= LNPOSN+70)BUG(0);
321 if(LOC == -1) return;
322 if(LNLENG < LNPOSN)BUG(1);
325 if(KK >= LINSIZ)BUG(2);
326 LINES[KK]=GETTXT(false,false,false);
328 while(LINES[KK] != -1);
330 if(LOC == OLDLOC) continue;
336 if(TRNVLS > TRNSIZ)BUG(11);
337 TTEXT[TRNVLS]=LINUSE;
344 if(CLSSES > CLSMAX)BUG(11);
345 CTEXT[CLSSES]=LINUSE;
351 if(LOC > RTXSIZ)BUG(6);
357 if(LOC > 0 && LOC <= NOBJECTS)PTEXT[LOC]=LINUSE;
360 if(LOC > LOCSIZ)BUG(10);
372 /* The stuff for section 3 is encoded here. Each "from-location" gets a
373 * contiguous section of the "TRAVEL" array. Each entry in travel is
374 * NEWLOC*1000 + KEYWORD (from section 4, motion verbs), and is negated if
375 * this is the last entry for this location. KEY(N) is the index in travel
376 * of the first option at location N. */
377 void read_section3_stuff(FILE* database)
380 while((LOC=GETNUM(database)) != -1)
382 long NEWLOC=GETNUM(NULL);
390 TRAVEL[TRVS-1]= -TRAVEL[TRVS-1];
392 while((L=GETNUM(NULL)) != 0)
394 TRAVEL[TRVS]=NEWLOC*1000+L;
396 if(TRVS == TRVSIZ)BUG(3);
398 TRAVEL[TRVS-1]= -TRAVEL[TRVS-1];
403 /* Here we read in the vocabulary. KTAB(N) is the word number, ATAB(N) is
404 * the corresponding word. The -1 at the end of section 4 is left in KTAB
405 * as an end-marker. */
406 void read_vocabulary(FILE* database)
408 for (TABNDX=1; TABNDX<=TABSIZ; TABNDX++)
410 KTAB[TABNDX]=GETNUM(database);
411 if(KTAB[TABNDX] == -1) return;
412 ATAB[TABNDX]=GETTXT(true,true,true);
418 /* Read in the initial locations for each object. Also the immovability info.
419 * plac contains initial locations of objects. FIXD is -1 for immovable
420 * objects (including the snake), or = second loc for two-placed objects. */
421 void read_initial_locations(FILE* database)
424 while((OBJ=GETNUM(database)) != -1)
426 PLAC[OBJ]=GETNUM(NULL);
427 FIXD[OBJ]=GETNUM(NULL);
432 /* Read default message numbers for action verbs, store in ACTSPK. */
433 void read_action_verb_message_nr(FILE* database)
436 while((VERB=GETNUM(database)) != -1)
438 ACTSPK[VERB]=GETNUM(NULL);
443 /* Read info about available liquids and other conditions, store in COND. */
444 void read_conditions(FILE* database)
447 while((K=GETNUM(database)) != -1)
450 while((LOC=GETNUM(NULL)) != 0)
452 if(is_set(COND[LOC],K)) BUG(8);
453 COND[LOC]=COND[LOC] + (1l << K);
459 /* Read data for hints. */
460 void read_hints(FILE* database)
464 while((K=GETNUM(database)) != -1)
466 if(K <= 0 || K > HNTSIZ)BUG(7);
467 for (int I=1; I<=4; I++)
469 HINTS[K][I] =GETNUM(NULL);
471 HNTMAX=(HNTMAX>K ? HNTMAX : K);
476 /* Read the sound/text info, store in OBJSND, OBJTXT, LOCSND. */
477 void read_sound_text(FILE* database)
480 while((K=GETNUM(database)) != -1)
482 long KK=GETNUM(NULL);
486 OBJSND[K]=(KK>0 ? KK : 0);
487 OBJTXT[K]=(I>0 ? I : 0);
495 /* Finish constructing internal data format */
497 /* Having read in the database, certain things are now constructed.
498 * PROPS are set to zero. We finish setting up COND by checking for
499 * forced-motion travel entries. The PLAC and FIXD arrays are used
500 * to set up ATLOC(N) as the first object at location N, and
501 * LINK(OBJ) as the next object at the same location as OBJ.
502 * (OBJ>NOBJECTS indicates that FIXED(OBJ-NOBJECTS)=LOC; LINK(OBJ) is
503 * still the correct link to use.) ABB is zeroed; it controls
504 * whether the abbreviated description is printed. Counts modulo 5
505 * unless "LOOK" is used. */
507 void write_0d(FILE* c_file, FILE* header_file, long single, char* varname)
509 fprintf(c_file, "long %s = %ld;\n", varname, single);
510 fprintf(header_file, "extern long %s;\n", varname);
513 void write_1d(FILE* c_file, FILE* header_file, long array[], long dim, char* varname)
515 fprintf(c_file, "long %s[] = {\n", varname);
516 for (int i = 0; i < dim; ++i)
521 fprintf(c_file, "\n");
522 fprintf(c_file, " ");
524 fprintf(c_file, "%ld, ", array[i]);
526 fprintf(c_file, "\n};\n");
527 fprintf(header_file, "extern long %s[%ld];\n", varname, dim);
530 void write_hints(FILE* c_file, FILE* header_file, long matrix[][5], long dim1, long dim2, char* varname)
532 fprintf(c_file, "long %s[][%ld] = {\n", varname, dim2);
533 for (int i = 0; i < dim1; ++i)
535 fprintf(c_file, " {");
536 for (int j = 0; j < dim2; ++j)
538 fprintf(c_file, "%ld, ", matrix[i][j]);
540 fprintf(c_file, "},\n");
542 fprintf(c_file, "};\n");
543 fprintf(header_file, "extern long %s[%ld][%ld];\n", varname, dim1, dim2);
546 void write_files(FILE* c_file, FILE* header_file)
548 // preprocessor defines for the header
549 fprintf(header_file, "#define NOBJECTS %d\n", NOBJECTS);
550 fprintf(header_file, "#define RTXSIZ 277\n");
551 fprintf(header_file, "#define CLSMAX 12\n");
552 fprintf(header_file, "#define LOCSIZ 185\n");
553 fprintf(header_file, "#define LINSIZ %d\n", LINSIZ);
554 fprintf(header_file, "#define TRNSIZ 5\n");
555 fprintf(header_file, "#define TABSIZ 330\n");
556 fprintf(header_file, "#define VRBSIZ 35\n");
557 fprintf(header_file, "#define HNTSIZ 20\n");
558 fprintf(header_file, "#define TRVSIZ 885\n");
559 fprintf(header_file, "\n");
561 // include the header in the C file
562 fprintf(c_file, "#include \"database.h\"\n");
563 fprintf(c_file, "\n");
566 write_0d(c_file, header_file, LINUSE, "LINUSE");
567 write_0d(c_file, header_file, TRVS, "TRVS");
568 write_0d(c_file, header_file, CLSSES, "CLSSES");
569 write_0d(c_file, header_file, TRNVLS, "TRNVLS");
570 write_0d(c_file, header_file, TABNDX, "TABNDX");
571 write_0d(c_file, header_file, HNTMAX, "HNTMAX");
572 write_1d(c_file, header_file, PTEXT, NOBJECTS + 1, "PTEXT");
573 write_1d(c_file, header_file, RTEXT, RTXSIZ + 1, "RTEXT");
574 write_1d(c_file, header_file, CTEXT, CLSMAX + 1, "CTEXT");
575 write_1d(c_file, header_file, OBJSND, NOBJECTS + 1, "OBJSND");
576 write_1d(c_file, header_file, OBJTXT, NOBJECTS + 1, "OBJTXT");
577 write_1d(c_file, header_file, STEXT, LOCSIZ + 1, "STEXT");
578 write_1d(c_file, header_file, LTEXT, LOCSIZ + 1, "LTEXT");
579 write_1d(c_file, header_file, COND, LOCSIZ + 1, "COND");
580 write_1d(c_file, header_file, KEY, LOCSIZ + 1, "KEY");
581 write_1d(c_file, header_file, LOCSND, LOCSIZ + 1, "LOCSND");
582 write_1d(c_file, header_file, LINES, LINSIZ + 1, "LINES");
583 write_1d(c_file, header_file, CVAL, CLSMAX + 1, "CVAL");
584 write_1d(c_file, header_file, TTEXT, TRNSIZ + 1, "TTEXT");
585 write_1d(c_file, header_file, TRNVAL, TRNSIZ + 1, "TRNVAL");
586 write_1d(c_file, header_file, TRAVEL, TRVSIZ + 1, "TRAVEL");
587 write_1d(c_file, header_file, KTAB, TABSIZ + 1, "KTAB");
588 write_1d(c_file, header_file, ATAB, TABSIZ + 1, "ATAB");
589 write_1d(c_file, header_file, PLAC, NOBJECTS + 1, "PLAC");
590 write_1d(c_file, header_file, FIXD, NOBJECTS + 1, "FIXD");
591 write_1d(c_file, header_file, ACTSPK, VRBSIZ + 1, "ACTSPK");
592 write_hints(c_file, header_file, HINTS, HNTSIZ + 1, 5, "HINTS");
597 FILE* database = fopen("adventure.text", "r");
598 read_database(database);
601 FILE* c_file = fopen("database.c", "w");
602 FILE* header_file = fopen("database.h", "w");
603 write_files(c_file, header_file);
607 return(EXIT_SUCCESS);