--- /dev/null
+#define LINESIZE 100
+#define RTXSIZ 277
+#define CLSMAX 12
+#define LOCSIZ 185
+#define LINSIZ 12500
+#define TRNSIZ 5
+#define TABSIZ 330
+#define VRBSIZ 35
+#define HNTSIZ 20
+#define TRVSIZ 885
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <unistd.h>
+
+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};
+/* Rendered from the now-gone MPINIT() function */
+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};
+
+// Global variables for use in functions below that can gradually disappear as code is cleaned up
+long LNLENG;
+long LNPOSN;
+signed char INLINE[LINESIZE+1];
+long I;
+long K;
+long KK;
+long L;
+long LOC;
+long NEWLOC;
+long OBJ;
+long OLDLOC;
+long SECT;
+long VERB;
+
+// Storage for what comes out of the database
+long LINUSE;
+long TRVS;
+long CLSSES;
+long TRNVLS;
+long TABNDX;
+long HNTMAX;
+long PTEXT[101];
+long RTEXT[RTXSIZ + 1];
+long CTEXT[CLSMAX + 1];
+long OBJSND[101];
+long OBJTXT[101];
+long STEXT[LOCSIZ + 1];
+long LTEXT[LOCSIZ + 1];
+long COND[LOCSIZ + 1];
+long KEY[LOCSIZ + 1];
+long LOCSND[LOCSIZ + 1];
+long LINES[LINSIZ + 1];
+long CVAL[CLSMAX + 1];
+long TTEXT[TRNSIZ + 1];
+long TRNVAL[TRNSIZ + 1];
+long TRAVEL[TRVSIZ + 1];
+long KTAB[TABSIZ + 1];
+long ATAB[TABSIZ + 1];
+long PLAC[101];
+long FIXD[101];
+long ACTSPK[VRBSIZ + 1];
+long HINTS[HNTSIZ + 1][5];
+
+bool is_set(long, long);
+long GETTXT(long, long, long);
+void BUG(long);
+void MAPLIN(FILE*);
+long GETNUM(FILE*);
+int read_database(FILE*);
+void write_0d(FILE*, FILE*, long, char*);
+void write_1d(FILE*, FILE*, long[], long, char*);
+void write_hints(FILE*, FILE*, long[][5], long, long, char*);
+void write_files(FILE*, FILE*);
+
+bool is_set(long var, long position)
+{
+ long mask = 1l << position;
+ bool result = (var & mask) == mask;
+ return(result);
+}
+
+long GETTXT(long SKIP,long ONEWRD, long UPPER) {
+/* Take characters from an input line and pack them into 30-bit words.
+ * Skip says to skip leading blanks. ONEWRD says stop if we come to a
+ * blank. UPPER says to map all letters to uppercase. If we reach the
+ * end of the line, the word is filled up with blanks (which encode as 0's).
+ * If we're already at end of line when GETTXT is called, we return -1. */
+
+ long CHAR;
+ long GETTXT;
+ static long SPLITTING = -1;
+
+ if(LNPOSN != SPLITTING)
+ SPLITTING = -1;
+ GETTXT= -1;
+ L10:
+ if(LNPOSN > LNLENG)
+ return(GETTXT);
+ if((!SKIP) || INLINE[LNPOSN] != 0)
+ goto L11;
+ LNPOSN=LNPOSN+1;
+ goto L10;
+
+ L11:
+ GETTXT=0;
+ for (int I=1; I<=5; I++) {
+ GETTXT=GETTXT*64;
+ if(LNPOSN > LNLENG || (ONEWRD && INLINE[LNPOSN] == 0))
+ continue;
+ CHAR=INLINE[LNPOSN];
+ if(CHAR >= 63)
+ goto L12;
+ SPLITTING = -1;
+ if(UPPER && CHAR >= 37)
+ CHAR=CHAR-26;
+ GETTXT=GETTXT+CHAR;
+ goto L14;
+
+ L12:
+ if(SPLITTING == LNPOSN)
+ goto L13;
+ GETTXT=GETTXT+63;
+ SPLITTING = LNPOSN;
+ continue;
+
+ L13:
+ GETTXT=GETTXT+CHAR-63;
+ SPLITTING = -1;
+ L14:
+ LNPOSN=LNPOSN+1;
+ }
+
+ return(GETTXT);
+}
+
+void BUG(long NUM) {
+
+/* The following conditions are currently considered fatal bugs. Numbers < 20
+ * are detected while reading the database; the others occur at "run time".
+ * 0 Message line > 70 characters
+ * 1 Null line in message
+ * 2 Too many words of messages
+ * 3 Too many travel options
+ * 4 Too many vocabulary words
+ * 5 Required vocabulary word not found
+ * 6 Too many RTEXT messages
+ * 7 Too many hints
+ * 8 Location has cond bit being set twice
+ * 9 Invalid section number in database
+ * 10 Too many locations
+ * 11 Too many class or turn messages
+ * 20 Special travel (500>L>300) exceeds goto list
+ * 21 Ran off end of vocabulary table
+ * 22 Vocabulary type (N/1000) not between 0 and 3
+ * 23 Intransitive action verb exceeds goto list
+ * 24 Transitive action verb exceeds goto list
+ * 25 Conditional travel entry with no alternative
+ * 26 Location has no travel entries
+ * 27 Hint number exceeds goto list
+ * 28 Invalid month returned by date function
+ * 29 Too many parameters given to SETPRM */
+
+ fprintf(stderr, "Fatal error %ld. See source code for interpretation.\n", NUM);
+ exit(EXIT_FAILURE);
+}
+
+void MAPLIN(FILE *OPENED) {
+/* Read a line of input, from the specified input source,
+ * translate the chars to integers in the range 0-126 and store
+ * them in the common array "INLINE". Integer values are as follows:
+ * 0 = space [ASCII CODE 40 octal, 32 decimal]
+ * 1-2 = !" [ASCII 41-42 octal, 33-34 decimal]
+ * 3-10 = '()*+,-. [ASCII 47-56 octal, 39-46 decimal]
+ * 11-36 = upper-case letters
+ * 37-62 = lower-case letters
+ * 63 = percent (%) [ASCII 45 octal, 37 decimal]
+ * 64-73 = digits, 0 through 9
+ * Remaining characters can be translated any way that is convenient;
+ * The "TYPE" routine below is used to map them back to characters when
+ * necessary. The above mappings are required so that certain special
+ * characters are known to fit in 6 bits and/or can be easily spotted.
+ * Array elements beyond the end of the line should be filled with 0,
+ * and LNLENG should be set to the index of the last character.
+ *
+ * If the data file uses a character other than space (e.g., tab) to
+ * separate numbers, that character should also translate to 0.
+ *
+ * This procedure may use the map1,map2 arrays to maintain static data for
+ * the mapping. MAP2(1) is set to 0 when the program starts
+ * and is not changed thereafter unless the routines on this page choose
+ * to do so. */
+
+ do {
+ fgets(INLINE + 1, sizeof(INLINE) - 1, OPENED);
+ }
+ while (!feof(OPENED) && INLINE[1] == '#');
+
+ LNLENG = 0;
+ for (int i = 1; i <= sizeof(INLINE) && INLINE[i] != 0; ++i)
+ {
+ char val = INLINE[i] + 1;
+ INLINE[i] = ascii_to_advent[val];
+ if (INLINE[i] != 0)
+ LNLENG = i;
+ }
+ LNPOSN = 1;
+}
+
+long GETNUM(FILE *source) {
+/* Obtain the next integer from an input line. If K>0, we first read a
+ * new input line from a file; if K<0, we read a line from the keyboard;
+ * if K=0 we use a line that has already been read (and perhaps partially
+ * scanned). If we're at the end of the line or encounter an illegal
+ * character (not a digit, hyphen, or blank), we return 0. */
+
+ long DIGIT, GETNUM, SIGN;
+
+ if(source != NULL) MAPLIN(source);
+ GETNUM = 0;
+
+ while (INLINE[LNPOSN] == 0)
+ {
+ if (LNPOSN > LNLENG) return(GETNUM);
+ ++LNPOSN;
+ }
+
+ SIGN=1;
+ if(INLINE[LNPOSN] != 9) goto L32;
+ SIGN= -1;
+L30: LNPOSN=LNPOSN+1;
+L32: if(LNPOSN > LNLENG || INLINE[LNPOSN] == 0) goto L42;
+ DIGIT=INLINE[LNPOSN]-64;
+ if(DIGIT < 0 || DIGIT > 9) goto L40;
+ GETNUM=GETNUM*10+DIGIT;
+ goto L30;
+
+L40: GETNUM=0;
+L42: GETNUM=GETNUM*SIGN;
+ LNPOSN=LNPOSN+1;
+ return(GETNUM);
+}
+
+int read_database(FILE* database) {
+
+/* Clear out the various text-pointer arrays. All text is stored in array
+ * lines; each line is preceded by a word pointing to the next pointer (i.e.
+ * the word following the end of the line). The pointer is negative if this is
+ * first line of a message. The text-pointer arrays contain indices of
+ * pointer-words in lines. STEXT(N) is short description of location N.
+ * LTEXT(N) is long description. PTEXT(N) points to message for PROP(N)=0.
+ * Successive prop messages are found by chasing pointers. RTEXT contains
+ * section 6's stuff. CTEXT(N) points to a player-class message. TTEXT is for
+ * section 14. We also clear COND (see description of section 9 for details). */
+
+ for (int I=1; I<=300; I++) {
+ if(I <= 100) PTEXT[I] = 0;
+ if(I <= RTXSIZ) RTEXT[I] = 0;
+ if(I <= CLSMAX) CTEXT[I] = 0;
+ if(I <= 100) OBJSND[I] = 0;
+ if(I <= 100) OBJTXT[I] = 0;
+ if(I > LOCSIZ) break;
+ STEXT[I] = 0;
+ LTEXT[I] = 0;
+ COND[I] = 0;
+ KEY[I] = 0;
+ LOCSND[I] = 0;
+ }
+
+ LINUSE = 1;
+ TRVS = 1;
+ CLSSES = 0;
+ TRNVLS = 0;
+
+/* Start new data section. Sect is the section number. */
+
+ L1002: SECT=GETNUM(database);
+ OLDLOC= -1;
+ switch (SECT) {
+ case 0: return(0);
+ case 1: goto L1004;
+ case 2: goto L1004;
+ case 3: goto L1030;
+ case 4: goto L1040;
+ case 5: goto L1004;
+ case 6: goto L1004;
+ case 7: goto L1050;
+ case 8: goto L1060;
+ case 9: goto L1070;
+ case 10: goto L1004;
+ case 11: goto L1080;
+ case 12: break;
+ case 13: goto L1090;
+ case 14: goto L1004;
+ default: BUG(9);
+ }
+
+/* Sections 1, 2, 5, 6, 10, 14. Read messages and set up pointers. */
+
+L1004: KK=LINUSE;
+L1005: LINUSE=KK;
+ LOC=GETNUM(database);
+ if(LNLENG >= LNPOSN+70)BUG(0);
+ if(LOC == -1) goto L1002;
+ if(LNLENG < LNPOSN)BUG(1);
+L1006: KK=KK+1;
+ if(KK >= LINSIZ)BUG(2);
+ LINES[KK]=GETTXT(false,false,false);
+ if(LINES[KK] != -1) goto L1006;
+ LINES[LINUSE]=KK;
+ if(LOC == OLDLOC) goto L1005;
+ OLDLOC=LOC;
+ LINES[LINUSE]= -KK;
+ if(SECT == 14) goto L1014;
+ if(SECT == 10) goto L1012;
+ if(SECT == 6) goto L1011;
+ if(SECT == 5) goto L1010;
+ if(LOC > LOCSIZ)BUG(10);
+ if(SECT == 1) goto L1008;
+
+ STEXT[LOC]=LINUSE;
+ goto L1005;
+
+L1008: LTEXT[LOC]=LINUSE;
+ goto L1005;
+
+L1010: if(LOC > 0 && LOC <= 100)PTEXT[LOC]=LINUSE;
+ goto L1005;
+
+L1011: if(LOC > RTXSIZ)BUG(6);
+ RTEXT[LOC]=LINUSE;
+ goto L1005;
+
+L1012: CLSSES=CLSSES+1;
+ if(CLSSES > CLSMAX)BUG(11);
+ CTEXT[CLSSES]=LINUSE;
+ CVAL[CLSSES]=LOC;
+ goto L1005;
+
+L1014: TRNVLS=TRNVLS+1;
+ if(TRNVLS > TRNSIZ)BUG(11);
+ TTEXT[TRNVLS]=LINUSE;
+ TRNVAL[TRNVLS]=LOC;
+ goto L1005;
+
+/* The stuff for section 3 is encoded here. Each "from-location" gets a
+ * contiguous section of the "TRAVEL" array. Each entry in travel is
+ * NEWLOC*1000 + KEYWORD (from section 4, motion verbs), and is negated if
+ * this is the last entry for this location. KEY(N) is the index in travel
+ * of the first option at location N. */
+
+L1030: LOC=GETNUM(database);
+ if(LOC == -1) goto L1002;
+ NEWLOC=GETNUM(NULL);
+ if(KEY[LOC] != 0) goto L1033;
+ KEY[LOC]=TRVS;
+ goto L1035;
+L1033: TRVS--; TRAVEL[TRVS]= -TRAVEL[TRVS]; TRVS++;
+L1035: L=GETNUM(NULL);
+ if(L == 0) goto L1039;
+ TRAVEL[TRVS]=NEWLOC*1000+L;
+ TRVS=TRVS+1;
+ if(TRVS == TRVSIZ)BUG(3);
+ goto L1035;
+L1039: TRVS--; TRAVEL[TRVS]= -TRAVEL[TRVS]; TRVS++;
+ goto L1030;
+
+/* Here we read in the vocabulary. KTAB(N) is the word number, ATAB(N) is
+ * the corresponding word. The -1 at the end of section 4 is left in KTAB
+ * as an end-marker. */
+
+L1040:
+ for (TABNDX=1; TABNDX<=TABSIZ; TABNDX++) {
+ KTAB[TABNDX]=GETNUM(database);
+ if(KTAB[TABNDX] == -1) goto L1002;
+ ATAB[TABNDX]=GETTXT(true,true,true);
+ } /* end loop */
+ BUG(4);
+
+/* Read in the initial locations for each object. Also the immovability info.
+ * plac contains initial locations of objects. FIXD is -1 for immovable
+ * objects (including the snake), or = second loc for two-placed objects. */
+
+L1050: OBJ=GETNUM(database);
+ if(OBJ == -1) goto L1002;
+ PLAC[OBJ]=GETNUM(NULL);
+ FIXD[OBJ]=GETNUM(NULL);
+ goto L1050;
+
+/* Read default message numbers for action verbs, store in ACTSPK. */
+
+L1060: VERB=GETNUM(database);
+ if(VERB == -1) goto L1002;
+ ACTSPK[VERB]=GETNUM(NULL);
+ goto L1060;
+
+/* Read info about available liquids and other conditions, store in COND. */
+
+L1070: K=GETNUM(database);
+ if(K == -1) goto L1002;
+L1071: LOC=GETNUM(NULL);
+ if(LOC == 0) goto L1070;
+ if(is_set(COND[LOC],K)) BUG(8);
+ COND[LOC]=COND[LOC] + (1l << K);
+ goto L1071;
+
+/* Read data for hints. */
+
+L1080: HNTMAX=0;
+L1081: K=GETNUM(database);
+ if(K == -1) goto L1002;
+ if(K <= 0 || K > HNTSIZ)BUG(7);
+ for (int I=1; I<=4; I++) {
+ HINTS[K][I] =GETNUM(NULL);
+ } /* end loop */
+ HNTMAX=(HNTMAX>K ? HNTMAX : K);
+ goto L1081;
+
+/* Read the sound/text info, store in OBJSND, OBJTXT, LOCSND. */
+
+L1090: K=GETNUM(database);
+ if(K == -1) goto L1002;
+ KK=GETNUM(NULL);
+ I=GETNUM(NULL);
+ if(I == 0) goto L1092;
+ OBJSND[K]=(KK>0 ? KK : 0);
+ OBJTXT[K]=(I>0 ? I : 0);
+ goto L1090;
+
+L1092: LOCSND[K]=KK;
+ goto L1090;
+}
+
+/* Finish constructing internal data format */
+
+/* Having read in the database, certain things are now constructed. PROPS are
+ * set to zero. We finish setting up COND by checking for forced-motion travel
+ * entries. The PLAC and FIXD arrays are used to set up ATLOC(N) as the first
+ * object at location N, and LINK(OBJ) as the next object at the same location
+ * as OBJ. (OBJ>100 indicates that FIXED(OBJ-100)=LOC; LINK(OBJ) is still the
+ * correct link to use.) ABB is zeroed; it controls whether the abbreviated
+ * description is printed. Counts modulo 5 unless "LOOK" is used. */
+
+void write_0d(FILE* c_file, FILE* header_file, long single, char* varname)
+{
+ fprintf(c_file, "long %s = %ld;\n", varname, single);
+ fprintf(header_file, "extern long %s;\n", varname);
+}
+
+void write_1d(FILE* c_file, FILE* header_file, long array[], long dim, char* varname)
+{
+ fprintf(c_file, "long %s[] = {\n", varname);
+ for (int i = 0; i < dim; ++i)
+ {
+ if (i % 10 == 0)
+ {
+ if (i > 0)
+ fprintf(c_file, "\n");
+ fprintf(c_file, " ");
+ }
+ fprintf(c_file, "%ld, ", array[i]);
+ }
+ fprintf(c_file, "\n};\n");
+ fprintf(header_file, "extern long %s[%ld];\n", varname, dim);
+}
+
+void write_hints(FILE* c_file, FILE* header_file, long matrix[][5], long dim1, long dim2, char* varname)
+{
+ fprintf(c_file, "long %s[][%ld] = {\n", varname, dim2);
+ for (int i = 0; i < dim1; ++i)
+ {
+ fprintf(c_file, " {");
+ for (int j = 0; j < dim2; ++j)
+ {
+ fprintf(c_file, "%ld, ", matrix[i][j]);
+ }
+ fprintf(c_file, "},\n");
+ }
+ fprintf(c_file, "};\n");
+ fprintf(header_file, "extern long %s[%ld][%ld];\n", varname, dim1, dim2);
+}
+
+void write_files(FILE* c_file, FILE* header_file)
+{
+ // preprocessor defines for the header
+ fprintf(header_file, "#define RTXSIZ 277\n");
+ fprintf(header_file, "#define CLSMAX 12\n");
+ fprintf(header_file, "#define LOCSIZ 185\n");
+ fprintf(header_file, "#define LINSIZ 12500\n");
+ fprintf(header_file, "#define TRNSIZ 5\n");
+ fprintf(header_file, "#define TABSIZ 330\n");
+ fprintf(header_file, "#define VRBSIZ 35\n");
+ fprintf(header_file, "#define HNTSIZ 20\n");
+ fprintf(header_file, "#define TRVSIZ 885\n");
+ fprintf(header_file, "\n");
+
+ // include the header in the C file
+ fprintf(c_file, "#include \"database.h\"\n");
+ fprintf(c_file, "\n");
+
+ // content variables
+ write_0d(c_file, header_file, LINUSE, "LINUSE");
+ write_0d(c_file, header_file, TRVS, "TRVS");
+ write_0d(c_file, header_file, CLSSES, "CLSSES");
+ write_0d(c_file, header_file, TRNVLS, "TRNVLS");
+ write_0d(c_file, header_file, TABNDX, "TABNDX");
+ write_0d(c_file, header_file, HNTMAX, "HNTMAX");
+ write_1d(c_file, header_file, PTEXT, 100 + 1, "PTEXT");
+ write_1d(c_file, header_file, RTEXT, RTXSIZ + 1, "RTEXT");
+ write_1d(c_file, header_file, CTEXT, CLSMAX + 1, "CTEXT");
+ write_1d(c_file, header_file, OBJSND, 100 + 1, "OBJSND");
+ write_1d(c_file, header_file, OBJTXT, 100 + 1, "OBJTXT");
+ write_1d(c_file, header_file, STEXT, LOCSIZ + 1, "STEXT");
+ write_1d(c_file, header_file, LTEXT, LOCSIZ + 1, "LTEXT");
+ write_1d(c_file, header_file, COND, LOCSIZ + 1, "COND");
+ write_1d(c_file, header_file, KEY, LOCSIZ + 1, "KEY");
+ write_1d(c_file, header_file, LOCSND, LOCSIZ + 1, "LOCSND");
+ write_1d(c_file, header_file, LINES, LINSIZ + 1, "LINES");
+ write_1d(c_file, header_file, CVAL, CLSMAX + 1, "CVAL");
+ write_1d(c_file, header_file, TTEXT, TRNSIZ + 1, "TTEXT");
+ write_1d(c_file, header_file, TRNVAL, TRNSIZ + 1, "TRNVAL");
+ write_1d(c_file, header_file, TRAVEL, TRVSIZ + 1, "TRAVEL");
+ write_1d(c_file, header_file, KTAB, TABSIZ + 1, "KTAB");
+ write_1d(c_file, header_file, ATAB, TABSIZ + 1, "ATAB");
+ write_1d(c_file, header_file, PLAC, 100 + 1, "PLAC");
+ write_1d(c_file, header_file, FIXD, 100 + 1, "FIXD");
+ write_1d(c_file, header_file, ACTSPK, VRBSIZ + 1, "ACTSPK");
+ write_hints(c_file, header_file, HINTS, HNTSIZ + 1, 5, "HINTS");
+}
+
+int main(int argc, char** argv)
+{
+ argc = argc;
+ argv = argv;
+
+ FILE* database = fopen("adventure.text", "r");
+ read_database(database);
+ fclose(database);
+
+ FILE* c_file = fopen("database.c", "w");
+ FILE* header_file = fopen("database.h", "w");
+ write_files(c_file, header_file);
+ fclose(c_file);
+ fclose(header_file);
+
+ return(EXIT_SUCCESS);
+}