17 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};
18 /* Rendered from the now-gone MPINIT() function */
19 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};
21 // Global variables for use in functions below that can gradually disappear as code is cleaned up
24 signed char INLINE[LINESIZE+1];
36 // Storage for what comes out of the database
44 long RTEXT[RTXSIZ + 1];
45 long CTEXT[CLSMAX + 1];
48 long STEXT[LOCSIZ + 1];
49 long LTEXT[LOCSIZ + 1];
50 long COND[LOCSIZ + 1];
52 long LOCSND[LOCSIZ + 1];
53 long LINES[LINSIZ + 1];
54 long CVAL[CLSMAX + 1];
55 long TTEXT[TRNSIZ + 1];
56 long TRNVAL[TRNSIZ + 1];
57 long TRAVEL[TRVSIZ + 1];
58 long KTAB[TABSIZ + 1];
59 long ATAB[TABSIZ + 1];
62 long ACTSPK[VRBSIZ + 1];
63 long HINTS[HNTSIZ + 1][5];
65 bool is_set(long, long);
66 long GETTXT(long, long, long);
70 int read_database(FILE*);
71 void write_0d(FILE*, FILE*, long, char*);
72 void write_1d(FILE*, FILE*, long[], long, char*);
73 void write_hints(FILE*, FILE*, long[][5], long, long, char*);
74 void write_files(FILE*, FILE*);
76 bool is_set(long var, long position)
78 long mask = 1l << position;
79 bool result = (var & mask) == mask;
83 long GETTXT(long SKIP,long ONEWRD, long UPPER) {
84 /* Take characters from an input line and pack them into 30-bit words.
85 * Skip says to skip leading blanks. ONEWRD says stop if we come to a
86 * blank. UPPER says to map all letters to uppercase. If we reach the
87 * end of the line, the word is filled up with blanks (which encode as 0's).
88 * If we're already at end of line when GETTXT is called, we return -1. */
92 static long SPLITTING = -1;
94 if(LNPOSN != SPLITTING)
100 if((!SKIP) || INLINE[LNPOSN] != 0)
107 for (int I=1; I<=5; I++) {
109 if(LNPOSN > LNLENG || (ONEWRD && INLINE[LNPOSN] == 0))
115 if(UPPER && CHAR >= 37)
121 if(SPLITTING == LNPOSN)
128 GETTXT=GETTXT+CHAR-63;
139 /* The following conditions are currently considered fatal bugs. Numbers < 20
140 * are detected while reading the database; the others occur at "run time".
141 * 0 Message line > 70 characters
142 * 1 Null line in message
143 * 2 Too many words of messages
144 * 3 Too many travel options
145 * 4 Too many vocabulary words
146 * 5 Required vocabulary word not found
147 * 6 Too many RTEXT messages
149 * 8 Location has cond bit being set twice
150 * 9 Invalid section number in database
151 * 10 Too many locations
152 * 11 Too many class or turn messages
153 * 20 Special travel (500>L>300) exceeds goto list
154 * 21 Ran off end of vocabulary table
155 * 22 Vocabulary type (N/1000) not between 0 and 3
156 * 23 Intransitive action verb exceeds goto list
157 * 24 Transitive action verb exceeds goto list
158 * 25 Conditional travel entry with no alternative
159 * 26 Location has no travel entries
160 * 27 Hint number exceeds goto list
161 * 28 Invalid month returned by date function
162 * 29 Too many parameters given to SETPRM */
164 fprintf(stderr, "Fatal error %ld. See source code for interpretation.\n", NUM);
168 void MAPLIN(FILE *OPENED) {
169 /* Read a line of input, from the specified input source,
170 * translate the chars to integers in the range 0-126 and store
171 * them in the common array "INLINE". Integer values are as follows:
172 * 0 = space [ASCII CODE 40 octal, 32 decimal]
173 * 1-2 = !" [ASCII 41-42 octal, 33-34 decimal]
174 * 3-10 = '()*+,-. [ASCII 47-56 octal, 39-46 decimal]
175 * 11-36 = upper-case letters
176 * 37-62 = lower-case letters
177 * 63 = percent (%) [ASCII 45 octal, 37 decimal]
178 * 64-73 = digits, 0 through 9
179 * Remaining characters can be translated any way that is convenient;
180 * The "TYPE" routine below is used to map them back to characters when
181 * necessary. The above mappings are required so that certain special
182 * characters are known to fit in 6 bits and/or can be easily spotted.
183 * Array elements beyond the end of the line should be filled with 0,
184 * and LNLENG should be set to the index of the last character.
186 * If the data file uses a character other than space (e.g., tab) to
187 * separate numbers, that character should also translate to 0.
189 * This procedure may use the map1,map2 arrays to maintain static data for
190 * the mapping. MAP2(1) is set to 0 when the program starts
191 * and is not changed thereafter unless the routines on this page choose
195 fgets(INLINE + 1, sizeof(INLINE) - 1, OPENED);
197 while (!feof(OPENED) && INLINE[1] == '#');
200 for (int i = 1; i <= sizeof(INLINE) && INLINE[i] != 0; ++i)
202 char val = INLINE[i] + 1;
203 INLINE[i] = ascii_to_advent[val];
210 long GETNUM(FILE *source) {
211 /* Obtain the next integer from an input line. If K>0, we first read a
212 * new input line from a file; if K<0, we read a line from the keyboard;
213 * if K=0 we use a line that has already been read (and perhaps partially
214 * scanned). If we're at the end of the line or encounter an illegal
215 * character (not a digit, hyphen, or blank), we return 0. */
217 long DIGIT, GETNUM, SIGN;
219 if(source != NULL) MAPLIN(source);
222 while (INLINE[LNPOSN] == 0)
224 if (LNPOSN > LNLENG) return(GETNUM);
229 if(INLINE[LNPOSN] != 9) goto L32;
231 L30: LNPOSN=LNPOSN+1;
232 L32: if(LNPOSN > LNLENG || INLINE[LNPOSN] == 0) goto L42;
233 DIGIT=INLINE[LNPOSN]-64;
234 if(DIGIT < 0 || DIGIT > 9) goto L40;
235 GETNUM=GETNUM*10+DIGIT;
239 L42: GETNUM=GETNUM*SIGN;
244 int read_database(FILE* database) {
246 /* Clear out the various text-pointer arrays. All text is stored in array
247 * lines; each line is preceded by a word pointing to the next pointer (i.e.
248 * the word following the end of the line). The pointer is negative if this is
249 * first line of a message. The text-pointer arrays contain indices of
250 * pointer-words in lines. STEXT(N) is short description of location N.
251 * LTEXT(N) is long description. PTEXT(N) points to message for PROP(N)=0.
252 * Successive prop messages are found by chasing pointers. RTEXT contains
253 * section 6's stuff. CTEXT(N) points to a player-class message. TTEXT is for
254 * section 14. We also clear COND (see description of section 9 for details). */
256 for (int I=1; I<=300; I++) {
257 if(I <= 100) PTEXT[I] = 0;
258 if(I <= RTXSIZ) RTEXT[I] = 0;
259 if(I <= CLSMAX) CTEXT[I] = 0;
260 if(I <= 100) OBJSND[I] = 0;
261 if(I <= 100) OBJTXT[I] = 0;
262 if(I > LOCSIZ) break;
275 /* Start new data section. Sect is the section number. */
277 L1002: SECT=GETNUM(database);
298 /* Sections 1, 2, 5, 6, 10, 14. Read messages and set up pointers. */
302 LOC=GETNUM(database);
303 if(LNLENG >= LNPOSN+70)BUG(0);
304 if(LOC == -1) goto L1002;
305 if(LNLENG < LNPOSN)BUG(1);
307 if(KK >= LINSIZ)BUG(2);
308 LINES[KK]=GETTXT(false,false,false);
309 if(LINES[KK] != -1) goto L1006;
311 if(LOC == OLDLOC) goto L1005;
314 if(SECT == 14) goto L1014;
315 if(SECT == 10) goto L1012;
316 if(SECT == 6) goto L1011;
317 if(SECT == 5) goto L1010;
318 if(LOC > LOCSIZ)BUG(10);
319 if(SECT == 1) goto L1008;
324 L1008: LTEXT[LOC]=LINUSE;
327 L1010: if(LOC > 0 && LOC <= 100)PTEXT[LOC]=LINUSE;
330 L1011: if(LOC > RTXSIZ)BUG(6);
334 L1012: CLSSES=CLSSES+1;
335 if(CLSSES > CLSMAX)BUG(11);
336 CTEXT[CLSSES]=LINUSE;
340 L1014: TRNVLS=TRNVLS+1;
341 if(TRNVLS > TRNSIZ)BUG(11);
342 TTEXT[TRNVLS]=LINUSE;
346 /* The stuff for section 3 is encoded here. Each "from-location" gets a
347 * contiguous section of the "TRAVEL" array. Each entry in travel is
348 * NEWLOC*1000 + KEYWORD (from section 4, motion verbs), and is negated if
349 * this is the last entry for this location. KEY(N) is the index in travel
350 * of the first option at location N. */
352 L1030: LOC=GETNUM(database);
353 if(LOC == -1) goto L1002;
355 if(KEY[LOC] != 0) goto L1033;
358 L1033: TRVS--; TRAVEL[TRVS]= -TRAVEL[TRVS]; TRVS++;
359 L1035: L=GETNUM(NULL);
360 if(L == 0) goto L1039;
361 TRAVEL[TRVS]=NEWLOC*1000+L;
363 if(TRVS == TRVSIZ)BUG(3);
365 L1039: TRVS--; TRAVEL[TRVS]= -TRAVEL[TRVS]; TRVS++;
368 /* Here we read in the vocabulary. KTAB(N) is the word number, ATAB(N) is
369 * the corresponding word. The -1 at the end of section 4 is left in KTAB
370 * as an end-marker. */
373 for (TABNDX=1; TABNDX<=TABSIZ; TABNDX++) {
374 KTAB[TABNDX]=GETNUM(database);
375 if(KTAB[TABNDX] == -1) goto L1002;
376 ATAB[TABNDX]=GETTXT(true,true,true);
380 /* Read in the initial locations for each object. Also the immovability info.
381 * plac contains initial locations of objects. FIXD is -1 for immovable
382 * objects (including the snake), or = second loc for two-placed objects. */
384 L1050: OBJ=GETNUM(database);
385 if(OBJ == -1) goto L1002;
386 PLAC[OBJ]=GETNUM(NULL);
387 FIXD[OBJ]=GETNUM(NULL);
390 /* Read default message numbers for action verbs, store in ACTSPK. */
392 L1060: VERB=GETNUM(database);
393 if(VERB == -1) goto L1002;
394 ACTSPK[VERB]=GETNUM(NULL);
397 /* Read info about available liquids and other conditions, store in COND. */
399 L1070: K=GETNUM(database);
400 if(K == -1) goto L1002;
401 L1071: LOC=GETNUM(NULL);
402 if(LOC == 0) goto L1070;
403 if(is_set(COND[LOC],K)) BUG(8);
404 COND[LOC]=COND[LOC] + (1l << K);
407 /* Read data for hints. */
410 L1081: K=GETNUM(database);
411 if(K == -1) goto L1002;
412 if(K <= 0 || K > HNTSIZ)BUG(7);
413 for (int I=1; I<=4; I++) {
414 HINTS[K][I] =GETNUM(NULL);
416 HNTMAX=(HNTMAX>K ? HNTMAX : K);
419 /* Read the sound/text info, store in OBJSND, OBJTXT, LOCSND. */
421 L1090: K=GETNUM(database);
422 if(K == -1) goto L1002;
425 if(I == 0) goto L1092;
426 OBJSND[K]=(KK>0 ? KK : 0);
427 OBJTXT[K]=(I>0 ? I : 0);
434 /* Finish constructing internal data format */
436 /* Having read in the database, certain things are now constructed. PROPS are
437 * set to zero. We finish setting up COND by checking for forced-motion travel
438 * entries. The PLAC and FIXD arrays are used to set up ATLOC(N) as the first
439 * object at location N, and LINK(OBJ) as the next object at the same location
440 * as OBJ. (OBJ>100 indicates that FIXED(OBJ-100)=LOC; LINK(OBJ) is still the
441 * correct link to use.) ABB is zeroed; it controls whether the abbreviated
442 * description is printed. Counts modulo 5 unless "LOOK" is used. */
444 void write_0d(FILE* c_file, FILE* header_file, long single, char* varname)
446 fprintf(c_file, "long %s = %ld;\n", varname, single);
447 fprintf(header_file, "extern long %s;\n", varname);
450 void write_1d(FILE* c_file, FILE* header_file, long array[], long dim, char* varname)
452 fprintf(c_file, "long %s[] = {\n", varname);
453 for (int i = 0; i < dim; ++i)
458 fprintf(c_file, "\n");
459 fprintf(c_file, " ");
461 fprintf(c_file, "%ld, ", array[i]);
463 fprintf(c_file, "\n};\n");
464 fprintf(header_file, "extern long %s[%ld];\n", varname, dim);
467 void write_hints(FILE* c_file, FILE* header_file, long matrix[][5], long dim1, long dim2, char* varname)
469 fprintf(c_file, "long %s[][%ld] = {\n", varname, dim2);
470 for (int i = 0; i < dim1; ++i)
472 fprintf(c_file, " {");
473 for (int j = 0; j < dim2; ++j)
475 fprintf(c_file, "%ld, ", matrix[i][j]);
477 fprintf(c_file, "},\n");
479 fprintf(c_file, "};\n");
480 fprintf(header_file, "extern long %s[%ld][%ld];\n", varname, dim1, dim2);
483 void write_files(FILE* c_file, FILE* header_file)
485 // preprocessor defines for the header
486 fprintf(header_file, "#define RTXSIZ 277\n");
487 fprintf(header_file, "#define CLSMAX 12\n");
488 fprintf(header_file, "#define LOCSIZ 185\n");
489 fprintf(header_file, "#define LINSIZ 12500\n");
490 fprintf(header_file, "#define TRNSIZ 5\n");
491 fprintf(header_file, "#define TABSIZ 330\n");
492 fprintf(header_file, "#define VRBSIZ 35\n");
493 fprintf(header_file, "#define HNTSIZ 20\n");
494 fprintf(header_file, "#define TRVSIZ 885\n");
495 fprintf(header_file, "\n");
497 // include the header in the C file
498 fprintf(c_file, "#include \"database.h\"\n");
499 fprintf(c_file, "\n");
502 write_0d(c_file, header_file, LINUSE, "LINUSE");
503 write_0d(c_file, header_file, TRVS, "TRVS");
504 write_0d(c_file, header_file, CLSSES, "CLSSES");
505 write_0d(c_file, header_file, TRNVLS, "TRNVLS");
506 write_0d(c_file, header_file, TABNDX, "TABNDX");
507 write_0d(c_file, header_file, HNTMAX, "HNTMAX");
508 write_1d(c_file, header_file, PTEXT, 100 + 1, "PTEXT");
509 write_1d(c_file, header_file, RTEXT, RTXSIZ + 1, "RTEXT");
510 write_1d(c_file, header_file, CTEXT, CLSMAX + 1, "CTEXT");
511 write_1d(c_file, header_file, OBJSND, 100 + 1, "OBJSND");
512 write_1d(c_file, header_file, OBJTXT, 100 + 1, "OBJTXT");
513 write_1d(c_file, header_file, STEXT, LOCSIZ + 1, "STEXT");
514 write_1d(c_file, header_file, LTEXT, LOCSIZ + 1, "LTEXT");
515 write_1d(c_file, header_file, COND, LOCSIZ + 1, "COND");
516 write_1d(c_file, header_file, KEY, LOCSIZ + 1, "KEY");
517 write_1d(c_file, header_file, LOCSND, LOCSIZ + 1, "LOCSND");
518 write_1d(c_file, header_file, LINES, LINSIZ + 1, "LINES");
519 write_1d(c_file, header_file, CVAL, CLSMAX + 1, "CVAL");
520 write_1d(c_file, header_file, TTEXT, TRNSIZ + 1, "TTEXT");
521 write_1d(c_file, header_file, TRNVAL, TRNSIZ + 1, "TRNVAL");
522 write_1d(c_file, header_file, TRAVEL, TRVSIZ + 1, "TRAVEL");
523 write_1d(c_file, header_file, KTAB, TABSIZ + 1, "KTAB");
524 write_1d(c_file, header_file, ATAB, TABSIZ + 1, "ATAB");
525 write_1d(c_file, header_file, PLAC, 100 + 1, "PLAC");
526 write_1d(c_file, header_file, FIXD, 100 + 1, "FIXD");
527 write_1d(c_file, header_file, ACTSPK, VRBSIZ + 1, "ACTSPK");
528 write_hints(c_file, header_file, HINTS, HNTSIZ + 1, 5, "HINTS");
531 int main(int argc, char** argv)
536 FILE* database = fopen("adventure.text", "r");
537 read_database(database);
540 FILE* c_file = fopen("database.c", "w");
541 FILE* header_file = fopen("database.h", "w");
542 write_files(c_file, header_file);
546 return(EXIT_SUCCESS);