+#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
-#include "main.h"
-#include "misc.h"
-#include "funcs.h"
-
-/* hack to ignore GCC Unused Result */
-#define IGNORE(r) do{if(r){}}while(0)
-
-/* I/O ROUTINES (SPEAK, PSPEAK, RSPEAK, SETPRM, GETIN, YES) */
-
-#undef SPEAK
-void fSPEAK(long N) {
-long BLANK, CASE, I, K, L, NEG, NPARMS, PARM, PRMTYP, STATE;
-
-/* PRINT THE MESSAGE WHICH STARTS AT LINES(N). PRECEDE IT WITH A BLANK LINE
- * UNLESS BLKLIN IS FALSE. */
-
-
- if(N == 0)return;
- BLANK=BLKLIN;
- K=N;
- NPARMS=1;
-L10: L=IABS(LINES[K])-1;
- K=K+1;
- LNLENG=0;
- LNPOSN=1;
- STATE=0;
- /* 20 */ for (I=K; I<=L; I++) {
-L20: PUTTXT(LINES[I],STATE,2,I);
- } /* end loop */
- LNPOSN=0;
-L30: LNPOSN=LNPOSN+1;
-L32: if(LNPOSN > LNLENG) goto L40;
- if(INLINE[LNPOSN] != 63) goto L30;
- {long x = LNPOSN+1; PRMTYP=INLINE[x];}
-/* 63 IS A "%"; THE NEXT CHARACTER DETERMINE THE TYPE OF PARAMETER: 1 (!) =
- * SUPPRESS MESSAGE COMPLETELY, 29 (S) = NULL IF PARM=1, ELSE 'S' (OPTIONAL
- * PLURAL ENDING), 33 (W) = WORD (TWO 30-BIT VALUES) WITH TRAILING SPACES
- * SUPPRESSED, 22 (L) OR 31 (U) = WORD BUT MAP TO LOWER/UPPER CASE, 13 (C) =
- * WORD IN LOWER CASE WITH FIRST LETTER CAPITALISED, 30 (T) = TEXT ENDING
- * WITH A WORD OF -1, 65-73 (1-9) = NUMBER USING THAT MANY CHARACTERS,
- * 12 (B) = VARIABLE NUMBER OF BLANKS. */
- if(PRMTYP == 1)return;
- if(PRMTYP == 29) goto L320;
- if(PRMTYP == 30) goto L340;
- if(PRMTYP == 12) goto L360;
- if(PRMTYP == 33 || PRMTYP == 22 || PRMTYP == 31 || PRMTYP == 13) goto
- L380;
- PRMTYP=PRMTYP-64;
- if(PRMTYP < 1 || PRMTYP > 9) goto L30;
- SHFTXT(LNPOSN+2,PRMTYP-2);
- LNPOSN=LNPOSN+PRMTYP;
- PARM=IABS(PARMS[NPARMS]);
- NEG=0;
- if(PARMS[NPARMS] < 0)NEG=9;
- /* 390 */ for (I=1; I<=PRMTYP; I++) {
- LNPOSN=LNPOSN-1;
- INLINE[LNPOSN]=MOD(PARM,10)+64;
- if(I == 1 || PARM != 0) goto L390;
- INLINE[LNPOSN]=NEG;
- NEG=0;
-L390: PARM=PARM/10;
- } /* end loop */
- LNPOSN=LNPOSN+PRMTYP;
-L395: NPARMS=NPARMS+1;
- goto L32;
-
-L320: SHFTXT(LNPOSN+2,-1);
- INLINE[LNPOSN]=55;
- if(PARMS[NPARMS] == 1)SHFTXT(LNPOSN+1,-1);
- goto L395;
-
-L340: SHFTXT(LNPOSN+2,-2);
- STATE=0;
- CASE=2;
-L345: if(PARMS[NPARMS] < 0) goto L395;
- {long x = NPARMS+1; if(PARMS[x] < 0)CASE=0;}
- PUTTXT(PARMS[NPARMS],STATE,CASE,0);
- NPARMS=NPARMS+1;
- goto L345;
-
-L360: PRMTYP=PARMS[NPARMS];
- SHFTXT(LNPOSN+2,PRMTYP-2);
- if(PRMTYP == 0) goto L395;
- /* 365 */ for (I=1; I<=PRMTYP; I++) {
- INLINE[LNPOSN]=0;
-L365: LNPOSN=LNPOSN+1;
- } /* end loop */
- goto L395;
-
-L380: SHFTXT(LNPOSN+2,-2);
- STATE=0;
- CASE= -1;
- if(PRMTYP == 31)CASE=1;
- if(PRMTYP == 33)CASE=0;
- I=LNPOSN;
- PUTTXT(PARMS[NPARMS],STATE,CASE,0);
- {long x = NPARMS+1; PUTTXT(PARMS[x],STATE,CASE,0);}
- if(PRMTYP == 13 && INLINE[I] >= 37 && INLINE[I] <=
- 62)INLINE[I]=INLINE[I]-26;
- NPARMS=NPARMS+2;
- goto L32;
-
-L40: if(BLANK)TYPE0();
- BLANK=false;
- TYPE();
- K=L+1;
- if(LINES[K] >= 0) goto L10;
- return;
-}
-
-
-
-#define SPEAK(N) fSPEAK(N)
-#undef PSPEAK
-void fPSPEAK(long MSG,long SKIP) {
-long I, M;
-
-/* FIND THE SKIP+1ST MESSAGE FROM MSG AND PRINT IT. MSG SHOULD BE THE INDEX OF
- * THE INVENTORY MESSAGE FOR OBJECT. (INVEN+N+1 MESSAGE IS PROP=N MESSAGE). */
-
-
- M=PTEXT[MSG];
- if(SKIP < 0) goto L9;
- /* 3 */ for (I=0; I<=SKIP; I++) {
-L1: M=IABS(LINES[M]);
- if(LINES[M] >= 0) goto L1;
-L3: /*etc*/ ;
- } /* end loop */
-L9: SPEAK(M);
- return;
-}
-
-
-
-#define PSPEAK(MSG,SKIP) fPSPEAK(MSG,SKIP)
-#undef RSPEAK
-void fRSPEAK(long I) {
-;
-
-/* PRINT THE I-TH "RANDOM" MESSAGE (SECTION 6 OF DATABASE). */
-
-
- if(I != 0)SPEAK(RTEXT[I]);
- return;
-}
-
-
-
-#define RSPEAK(I) fRSPEAK(I)
-#undef SETPRM
-void fSETPRM(long FIRST, long P1, long P2) {
-;
-
-/* STORES PARAMETERS INTO THE PRMCOM PARMS ARRAY FOR USE BY SPEAK. P1 AND P2
- * ARE STORED INTO PARMS(FIRST) AND PARMS(FIRST+1). */
-
-
- if(FIRST >= 25)BUG(29);
- PARMS[FIRST]=P1;
- {long x = FIRST+1; PARMS[x]=P2;}
- return;
-}
-
-
-
-#define SETPRM(FIRST,P1,P2) fSETPRM(FIRST,P1,P2)
-#undef GETIN
-#define WORD1 (*wORD1)
-#define WORD1X (*wORD1X)
-#define WORD2 (*wORD2)
-#define WORD2X (*wORD2X)
-void fGETIN(long *wORD1, long *wORD1X, long *wORD2, long *wORD2X) {
-long JUNK;
-
-/* GET A COMMAND FROM THE ADVENTURER. SNARF OUT THE FIRST WORD, PAD IT WITH
- * BLANKS, AND RETURN IT IN WORD1. CHARS 6 THRU 10 ARE RETURNED IN WORD1X, IN
- * CASE WE NEED TO PRINT OUT THE WHOLE WORD IN AN ERROR MESSAGE. ANY NUMBER OF
- * BLANKS MAY FOLLOW THE WORD. IF A SECOND WORD APPEARS, IT IS RETURNED IN
- * WORD2 (CHARS 6 THRU 10 IN WORD2X), ELSE WORD2 IS -1. */
-
-
-L10: if(BLKLIN)TYPE0();
- MAPLIN(false);
- WORD1=GETTXT(true,true,true,0);
- if(BLKLIN && WORD1 < 0) goto L10;
- WORD1X=GETTXT(false,true,true,0);
-L12: JUNK=GETTXT(false,true,true,0);
- if(JUNK > 0) goto L12;
- WORD2=GETTXT(true,true,true,0);
- WORD2X=GETTXT(false,true,true,0);
-L22: JUNK=GETTXT(false,true,true,0);
- if(JUNK > 0) goto L22;
- if(GETTXT(true,true,true,0) <= 0)return;
- RSPEAK(53);
- goto L10;
-}
-
-
-
-#undef WORD1
-#undef WORD1X
-#undef WORD2
-#undef WORD2X
-#define GETIN(WORD1,WORD1X,WORD2,WORD2X) fGETIN(&WORD1,&WORD1X,&WORD2,&WORD2X)
-#undef YES
-long fYES(long X, long Y, long Z) {
-
-long YES, REPLY, JUNK1, JUNK2, JUNK3;
-
-/* PRINT MESSAGE X, WAIT FOR YES/NO ANSWER. IF YES, PRINT Y AND RETURN TRUE;
- * IF NO, PRINT Z AND RETURN FALSE. */
-
-L1: RSPEAK(X);
- GETIN(REPLY,JUNK1,JUNK2,JUNK3);
- if(REPLY == MAKEWD(250519) || REPLY == MAKEWD(25)) goto L10;
- if(REPLY == MAKEWD(1415) || REPLY == MAKEWD(14)) goto L20;
- RSPEAK(185);
- goto L1;
-L10: YES=true;
- RSPEAK(Y);
- return(YES);
-L20: YES=false;
- RSPEAK(Z);
- return(YES);
-}
-
-
-
-
-
-/* LINE-PARSING ROUTINES (GETNUM, GETTXT, MAKEWD, PUTTXT, SHFTXT, TYPE0)
- */
-
-/* THE ROUTINES ON THIS PAGE HANDLE ALL THE STUFF THAT WOULD NORMALLY BE
- * TAKEN CARE OF BY FORMAT STATEMENTS. WE DO IT THIS WAY INSTEAD SO THAT
- * WE CAN HANDLE TEXTUAL DATA IN A MACHINE INDEPENDENT FASHION. ALL THE
- * MACHINE DEPENDENT I/O STUFF IS ON THE FOLLOWING PAGE. SEE THAT PAGE
- * FOR A DESCRIPTION OF MAPCOM'S INLINE ARRAY. */
-
-#define YES(X,Y,Z) fYES(X,Y,Z)
-#undef GETNUM
-long fGETNUM(long K) {
-long DIGIT, GETNUM, SIGN;
-
-/* 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. */
-
-
- if(K != 0)MAPLIN(K > 0);
- GETNUM=0;
-L10: if(LNPOSN > LNLENG)return(GETNUM);
- if(INLINE[LNPOSN] != 0) goto L20;
- LNPOSN=LNPOSN+1;
- goto L10;
-
-L20: 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);
-}
-
-
-
-#define GETNUM(K) fGETNUM(K)
-#undef GETTXT
-long fGETTXT(long SKIP,long ONEWRD, long UPPER, long HASH) {
-long CHAR, GETTXT, I; static long SPLITTING = -1;
-
-/* 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. HASH MAY BE USED
- * AS A PARAMETER FOR ENCRYPTING THE TEXT IF DESIRED; HOWEVER, A HASH OF 0
- * SHOULD RESULT IN UNMODIFIED BYTES BEING PACKED. 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. */
-
- 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;
- /* 15 */ for (I=1; I<=5; I++) {
- GETTXT=GETTXT*64;
- if(LNPOSN > LNLENG || (ONEWRD && INLINE[LNPOSN] == 0)) goto L15;
- 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;
- goto L15;
-
-L13: GETTXT=GETTXT+CHAR-63;
- SPLITTING = -1;
-L14: LNPOSN=LNPOSN+1;
-L15: /*etc*/ ;
- } /* end loop */
-
- if(HASH)GETTXT=GETTXT+MOD(HASH*13579L+5432L,97531L)*12345L+HASH;
- return(GETTXT);
-}
-
-
-
-#define GETTXT(SKIP,ONEWRD,UPPER,HASH) fGETTXT(SKIP,ONEWRD,UPPER,HASH)
-#undef MAKEWD
-long fMAKEWD(long LETTRS) {
-long I, L, MAKEWD;
-
-/* COMBINE FIVE UPPERCASE LETTERS (REPRESENTED BY PAIRS OF DECIMAL DIGITS
- * IN LETTRS) TO FORM A 30-BIT VALUE MATCHING THE ONE THAT GETTXT WOULD
- * RETURN GIVEN THOSE CHARACTERS PLUS TRAILING BLANKS AND HASH=0. CAUTION:
- * LETTRS WILL OVERFLOW 31 BITS IF 5-LETTER WORD STARTS WITH V-Z. AS A
- * KLUDGEY WORKAROUND, YOU CAN INCREMENT A LETTER BY 5 BY ADDING 50 TO
- * THE NEXT PAIR OF DIGITS. */
-
-
- MAKEWD=0;
- I=1;
- L=LETTRS;
-L10: MAKEWD=MAKEWD+I*(MOD(L,50)+10);
- I=I*64;
- if(MOD(L,100) > 50)MAKEWD=MAKEWD+I*5;
- L=L/100;
- if(L != 0) goto L10;
- I=64L*64L*64L*64L*64L/I;
- MAKEWD=MAKEWD*I;
- return(MAKEWD);
-}
-
-
-
-#define MAKEWD(LETTRS) fMAKEWD(LETTRS)
-#undef PUTTXT
-#define STATE (*sTATE)
-void fPUTTXT(long WORD, long *sTATE, long CASE, long HASH) {
-long ALPH1, ALPH2, BYTE, DIV, I, W;
-
-/* UNPACK THE 30-BIT VALUE IN WORD TO OBTAIN UP TO 5 INTEGER-ENCODED CHARS,
- * AND STORE THEM IN INLINE STARTING AT LNPOSN. IF LNLENG>=LNPOSN, SHIFT
- * EXISTING CHARACTERS TO THE RIGHT TO MAKE ROOM. HASH MUST BE THE SAME
- * AS IT WAS WHEN GETTXT CREATED THE 30-BIT WORD. STATE WILL BE ZERO WHEN
- * PUTTXT IS CALLED WITH THE FIRST OF A SEQUENCE OF WORDS, BUT IS THEREAFTER
- * UNCHANGED BY THE CALLER, SO PUTTXT CAN USE IT TO MAINTAIN STATE ACROSS
- * CALLS. LNPOSN AND LNLENG ARE INCREMENTED BY THE NUMBER OF CHARS STORED.
- * IF CASE=1, ALL LETTERS ARE MADE UPPERCASE; IF -1, LOWERCASE; IF 0, AS IS.
- * ANY OTHER VALUE FOR CASE IS THE SAME AS 0 BUT ALSO CAUSES TRAILING BLANKS
- * TO BE INCLUDED (IN ANTICIPATION OF SUBSEQUENT ADDITIONAL TEXT). */
-
-
- ALPH1=13*CASE+24;
- ALPH2=26*IABS(CASE)+ALPH1;
- if(IABS(CASE) > 1)ALPH1=ALPH2;
-/* ALPH1&2 DEFINE RANGE OF WRONG-CASE CHARS, 11-36 OR 37-62 OR EMPTY. */
- DIV=64L*64L*64L*64L;
- W=WORD;
- if(HASH)W=W-MOD(HASH*13579L+5432L,97531L)*12345L-HASH;
- /* 18 */ for (I=1; I<=5; I++) {
- if(W <= 0 && STATE == 0 && IABS(CASE) <= 1)return;
- BYTE=W/DIV;
- if(STATE != 0 || BYTE != 63) goto L12;
- STATE=63;
- goto L18;
-
-L12: SHFTXT(LNPOSN,1);
- STATE=STATE+BYTE;
- if(STATE < ALPH2 && STATE >= ALPH1)STATE=STATE-26*CASE;
- INLINE[LNPOSN]=STATE;
- LNPOSN=LNPOSN+1;
- STATE=0;
-L18: W=(W-BYTE*DIV)*64;
- } /* end loop */
- return;
-}
-
-
-
-#undef STATE
-#define PUTTXT(WORD,STATE,CASE,HASH) fPUTTXT(WORD,&STATE,CASE,HASH)
-#undef SHFTXT
-void fSHFTXT(long FROM, long DELTA) {
-long I, II, JJ;
-
-/* MOVE INLINE(N) TO INLINE(N+DELTA) FOR N=FROM,LNLENG. DELTA CAN BE
- * NEGATIVE. LNLENG IS UPDATED; LNPOSN IS NOT CHANGED. */
-
-
- if(LNLENG < FROM || DELTA == 0) goto L2;
- /* 1 */ for (I=FROM; I<=LNLENG; I++) {
- II=I;
- if(DELTA > 0)II=FROM+LNLENG-I;
- JJ=II+DELTA;
-L1: INLINE[JJ]=INLINE[II];
- } /* end loop */
-L2: LNLENG=LNLENG+DELTA;
- return;
-}
-
-
-
-#define SHFTXT(FROM,DELTA) fSHFTXT(FROM,DELTA)
-#undef TYPE0
-void fTYPE0() {
-long TEMP;
-
-/* TYPE A BLANK LINE. THIS PROCEDURE IS PROVIDED AS A CONVENIENCE FOR CALLERS
- * WHO OTHERWISE HAVE NO USE FOR MAPCOM. */
-
-
- TEMP=LNLENG;
- LNLENG=0;
- TYPE();
- LNLENG=TEMP;
- return;
-}
-
-
-
-#define TYPE0() fTYPE0()
-
-
-/* SUSPEND/RESUME I/O ROUTINES (SAVWDS, SAVARR, SAVWRD) */
-
-#undef SAVWDS
-void fSAVWDS(long *W1, long *W2, long *W3, long *W4, long *W5, long *W6, long *W7) {
-
-/* WRITE OR READ 7 VARIABLES. SEE SAVWRD. */
-
-
- SAVWRD(0,(*W1));
- SAVWRD(0,(*W2));
- SAVWRD(0,(*W3));
- SAVWRD(0,(*W4));
- SAVWRD(0,(*W5));
- SAVWRD(0,(*W6));
- SAVWRD(0,(*W7));
- return;
-}
-
-
-#define SAVWDS(W1,W2,W3,W4,W5,W6,W7) fSAVWDS(&W1,&W2,&W3,&W4,&W5,&W6,&W7)
-#undef SAVARR
-void fSAVARR(long ARR[], long N) {
-long I;
-
-/* WRITE OR READ AN ARRAY OF N WORDS. SEE SAVWRD. */
-
-
- /* 1 */ for (I=1; I<=N; I++) {
-L1: SAVWRD(0,ARR[I]);
- } /* end loop */
- return;
-}
-
-
-
-#define SAVARR(ARR,N) fSAVARR(ARR,N)
-#undef SAVWRD
-#define WORD (*wORD)
-void fSAVWRD(long OP, long *wORD) {
-static long BUF[250], CKSUM = 0, H1, HASH = 0, N = 0, STATE = 0;
-
-/* IF OP<0, START WRITING A FILE, USING WORD TO INITIALISE ENCRYPTION; SAVE
- * WORD IN THE FILE. IF OP>0, START READING A FILE; READ THE FILE TO FIND
- * THE VALUE WITH WHICH TO DECRYPT THE REST. IN EITHER CASE, IF A FILE IS
- * ALREADY OPEN, FINISH WRITING/READING IT AND DON'T START A NEW ONE. IF OP=0,
- * READ/WRITE A SINGLE WORD. WORDS ARE BUFFERED IN CASE THAT MAKES FOR MORE
- * EFFICIENT DISK USE. WE ALSO COMPUTE A SIMPLE CHECKSUM TO CATCH ELEMENTARY
- * POKING WITHIN THE SAVED FILE. WHEN WE FINISH READING/WRITING THE FILE,
- * WE STORE ZERO INTO WORD IF THERE'S NO CHECKSUM ERROR, ELSE NONZERO. */
-
-
- if(OP != 0){long ifvar; ifvar=(STATE); switch (ifvar<0? -1 : ifvar>0? 1 :
- 0) { case -1: goto L30; case 0: goto L10; case 1: goto L30; }}
- if(STATE == 0)return;
- if(N == 250)SAVEIO(1,STATE > 0,BUF);
- N=MOD(N,250)+1;
- H1=MOD(HASH*1093L+221573L,1048576L);
- HASH=MOD(H1*1093L+221573L,1048576L);
- H1=MOD(H1,1234)*765432+MOD(HASH,123);
- N--;
- if(STATE > 0)WORD=BUF[N]+H1;
- BUF[N]=WORD-H1;
- N++;
- CKSUM=MOD(CKSUM*13+WORD,1000000000L);
- return;
-
-L10: STATE=OP;
- SAVEIO(0,STATE > 0,BUF);
- N=1;
- if(STATE > 0) goto L15;
- HASH=MOD(WORD,1048576L);
- BUF[0]=1234L*5678L-HASH;
-L13: CKSUM=BUF[0];
- return;
-
-L15: SAVEIO(1,true,BUF);
- HASH=MOD(1234L*5678L-BUF[0],1048576L);
- goto L13;
-
-L30: if(N == 250)SAVEIO(1,STATE > 0,BUF);
- N=MOD(N,250)+1;
- if(STATE > 0) goto L32;
- N--; BUF[N]=CKSUM; N++;
- SAVEIO(1,false,BUF);
-L32: N--; WORD=BUF[N]-CKSUM; N++;
- SAVEIO(-1,STATE > 0,BUF);
- STATE=0;
- return;
-}
-
-
-
-
-
-/* DATA STRUC. ROUTINES (VOCAB, DSTROY, JUGGLE, MOVE, PUT, CARRY, DROP, ATDWRF)
- */
-
-#undef WORD
-#define SAVWRD(OP,WORD) fSAVWRD(OP,&WORD)
-#undef VOCAB
-long fVOCAB(long ID, long INIT) {
-long HASH, I, VOCAB;
-
-/* LOOK UP ID IN THE VOCABULARY (ATAB) AND RETURN ITS "DEFINITION" (KTAB), OR
- * -1 IF NOT FOUND. IF INIT IS POSITIVE, THIS IS AN INITIALISATION CALL SETTING
- * UP A KEYWORD VARIABLE, AND NOT FINDING IT CONSTITUTES A BUG. IT ALSO MEANS
- * THAT ONLY KTAB VALUES WHICH TAKEN OVER 1000 EQUAL INIT MAY BE CONSIDERED.
- * (THUS "STEPS", WHICH IS A MOTION VERB AS WELL AS AN OBJECT, MAY BE LOCATED
- * AS AN OBJECT.) AND IT ALSO MEANS THE KTAB VALUE IS TAKEN MOD 1000. */
-
- HASH=10000;
- /* 1 */ for (I=1; I<=TABSIZ; I++) {
- if(KTAB[I] == -1) goto L2;
- HASH=HASH+7;
- if(INIT >= 0 && KTAB[I]/1000 != INIT) goto L1;
- if(ATAB[I] == ID+HASH*HASH) goto L3;
-L1: /*etc*/ ;
- } /* end loop */
- BUG(21);
-
-L2: VOCAB= -1;
- if(INIT < 0)return(VOCAB);
- BUG(5);
-
-L3: VOCAB=KTAB[I];
- if(INIT >= 0)VOCAB=MOD(VOCAB,1000);
- return(VOCAB);
-}
-
-
-
-#define VOCAB(ID,INIT) fVOCAB(ID,INIT)
-#undef DSTROY
-void fDSTROY(long OBJECT) {
-;
-
-/* PERMANENTLY ELIMINATE "OBJECT" BY MOVING TO A NON-EXISTENT LOCATION. */
-
-
- MOVE(OBJECT,0);
- return;
-}
-
-
-
-#define DSTROY(OBJECT) fDSTROY(OBJECT)
-#undef JUGGLE
-void fJUGGLE(OBJECT)long OBJECT; {
-long I, J;
-
-/* JUGGLE AN OBJECT BY PICKING IT UP AND PUTTING IT DOWN AGAIN, THE PURPOSE
- * BEING TO GET THE OBJECT TO THE FRONT OF THE CHAIN OF THINGS AT ITS LOC. */
-
-
- I=PLACE[OBJECT];
- J=FIXED[OBJECT];
- MOVE(OBJECT,I);
- MOVE(OBJECT+100,J);
- return;
-}
-
-
-
-#define JUGGLE(OBJECT) fJUGGLE(OBJECT)
-#undef MOVE
-void fMOVE(OBJECT,WHERE)long OBJECT, WHERE; {
-long FROM;
-
-/* PLACE ANY OBJECT ANYWHERE BY PICKING IT UP AND DROPPING IT. MAY ALREADY BE
- * TOTING, IN WHICH CASE THE CARRY IS A NO-OP. MUSTN'T PICK UP OBJECTS WHICH
- * ARE NOT AT ANY LOC, SINCE CARRY WANTS TO REMOVE OBJECTS FROM ATLOC CHAINS. */
-
-
- if(OBJECT > 100) goto L1;
- FROM=PLACE[OBJECT];
- goto L2;
-L1: {long x = OBJECT-100; FROM=FIXED[x];}
-L2: if(FROM > 0 && FROM <= 300)CARRY(OBJECT,FROM);
- DROP(OBJECT,WHERE);
- return;
-}
-
-
-
-#define MOVE(OBJECT,WHERE) fMOVE(OBJECT,WHERE)
-#undef PUT
-long fPUT(OBJECT,WHERE,PVAL)long OBJECT, PVAL, WHERE; {
-long PUT;
-
-/* PUT IS THE SAME AS MOVE, EXCEPT IT RETURNS A VALUE USED TO SET UP THE
- * NEGATED PROP VALUES FOR THE REPOSITORY OBJECTS. */
-
-
- MOVE(OBJECT,WHERE);
- PUT=(-1)-PVAL;
- return(PUT);
-}
-
-
-
-#define PUT(OBJECT,WHERE,PVAL) fPUT(OBJECT,WHERE,PVAL)
-#undef CARRY
-void fCARRY(OBJECT,WHERE)long OBJECT, WHERE; {
-long TEMP;
-
-/* START TOTING AN OBJECT, REMOVING IT FROM THE LIST OF THINGS AT ITS FORMER
- * LOCATION. INCR HOLDNG UNLESS IT WAS ALREADY BEING TOTED. IF OBJECT>100
- * (MOVING "FIXED" SECOND LOC), DON'T CHANGE PLACE OR HOLDNG. */
-
-
- if(OBJECT > 100) goto L5;
- if(PLACE[OBJECT] == -1)return;
- PLACE[OBJECT]= -1;
- HOLDNG=HOLDNG+1;
-L5: if(ATLOC[WHERE] != OBJECT) goto L6;
- ATLOC[WHERE]=LINK[OBJECT];
- return;
-L6: TEMP=ATLOC[WHERE];
-L7: if(LINK[TEMP] == OBJECT) goto L8;
- TEMP=LINK[TEMP];
- goto L7;
-L8: LINK[TEMP]=LINK[OBJECT];
- return;
-}
-
-
-
-#define CARRY(OBJECT,WHERE) fCARRY(OBJECT,WHERE)
-#undef DROP
-void fDROP(OBJECT,WHERE)long OBJECT, WHERE; {
-;
-
-/* PLACE AN OBJECT AT A GIVEN LOC, PREFIXING IT ONTO THE ATLOC LIST. DECR
- * HOLDNG IF THE OBJECT WAS BEING TOTED. */
-
-
- if(OBJECT > 100) goto L1;
- if(PLACE[OBJECT] == -1)HOLDNG=HOLDNG-1;
- PLACE[OBJECT]=WHERE;
- goto L2;
-L1: {long x = OBJECT-100; FIXED[x]=WHERE;}
-L2: if(WHERE <= 0)return;
- LINK[OBJECT]=ATLOC[WHERE];
- ATLOC[WHERE]=OBJECT;
- return;
-}
-
-
-
-#define DROP(OBJECT,WHERE) fDROP(OBJECT,WHERE)
-#undef ATDWRF
-long fATDWRF(WHERE)long WHERE; {
-long ATDWRF, I;
-
-/* RETURN THE INDEX OF FIRST DWARF AT THE GIVEN LOCATION, ZERO IF NO DWARF IS
- * THERE (OR IF DWARVES NOT ACTIVE YET), -1 IF ALL DWARVES ARE DEAD. IGNORE
- * THE PIRATE (6TH DWARF). */
-
-
- ATDWRF=0;
- if(DFLAG < 2)return(ATDWRF);
- ATDWRF= -1;
- /* 1 */ for (I=1; I<=5; I++) {
- if(DLOC[I] == WHERE) goto L2;
-L1: if(DLOC[I] != 0)ATDWRF=0;
- } /* end loop */
- return(ATDWRF);
-
-L2: ATDWRF=I;
- return(ATDWRF);
-}
-
-
-
-
-#define ATDWRF(WHERE) fATDWRF(WHERE)
-
-
-
-/* UTILITY ROUTINES (SETBIT, TSTBIT, RAN, RNDVOC, BUG) */
-
-#undef SETBIT
-long fSETBIT(BIT)long BIT; {
-long I, SETBIT;
-
-/* RETURNS 2**BIT FOR USE IN CONSTRUCTING BIT-MASKS. */
-
-
- SETBIT=1;
- if(BIT <= 0)return(SETBIT);
- /* 1 */ for (I=1; I<=BIT; I++) {
-L1: SETBIT=SETBIT+SETBIT;
- } /* end loop */
- return(SETBIT);
-}
-
-
-
-#define SETBIT(BIT) fSETBIT(BIT)
-#undef TSTBIT
-long fTSTBIT(MASK,BIT)long BIT, MASK; {
-long TSTBIT;
-
-/* RETURNS TRUE IF THE SPECIFIED BIT IS SET IN THE MASK. */
-
-
- TSTBIT=MOD(MASK/SETBIT(BIT),2) != 0;
- return(TSTBIT);
-}
-
-
-
-#define TSTBIT(MASK,BIT) fTSTBIT(MASK,BIT)
-#undef RAN
-long fRAN(RANGE)long RANGE; {
-static long D, R = 0, RAN, T;
-
-/* SINCE THE RAN FUNCTION IN LIB40 SEEMS TO BE A REAL LOSE, WE'LL USE ONE OF
- * OUR OWN. IT'S BEEN RUN THROUGH MANY OF THE TESTS IN KNUTH VOL. 2 AND
- * SEEMS TO BE QUITE RELIABLE. RAN RETURNS A VALUE UNIFORMLY SELECTED
- * BETWEEN 0 AND RANGE-1. */
-
-
- D=1;
- if(R != 0 && RANGE >= 0) goto L1;
- DATIME(D,T);
- R=MOD(T+5,1048576L);
- D=1000+MOD(D,1000);
-L1: /* 2 */ for (T=1; T<=D; T++) {
-L2: R=MOD(R*1093L+221587L,1048576L);
- } /* end loop */
- RAN=(RANGE*R)/1048576;
- return(RAN);
-}
-
-
-
-#define RAN(RANGE) fRAN(RANGE)
-#undef RNDVOC
-long fRNDVOC(CHAR,FORCE)long CHAR, FORCE; {
-long DIV, I, J, RNDVOC;
-
-/* SEARCHES THE VOCABULARY FOR A WORD WHOSE SECOND CHARACTER IS CHAR, AND
- * CHANGES THAT WORD SUCH THAT EACH OF THE OTHER FOUR CHARACTERS IS A
- * RANDOM LETTER. IF FORCE IS NON-ZERO, IT IS USED AS THE NEW WORD.
- * RETURNS THE NEW WORD. */
-
-
- RNDVOC=FORCE;
- if(RNDVOC != 0) goto L3;
- /* 1 */ for (I=1; I<=5; I++) {
- J=11+RAN(26);
- if(I == 2)J=CHAR;
-L1: RNDVOC=RNDVOC*64+J;
- } /* end loop */
-L3: J=10000;
- DIV=64L*64L*64L;
- /* 5 */ for (I=1; I<=TABSIZ; I++) {
- J=J+7;
- if(MOD((ATAB[I]-J*J)/DIV,64L) == CHAR) goto L8;
-L5: /*etc*/ ;
- } /* end loop */
- BUG(5);
-
-L8: ATAB[I]=RNDVOC+J*J;
- return(RNDVOC);
-}
-
-
-
-#define RNDVOC(CHAR,FORCE) fRNDVOC(CHAR,FORCE)
-#undef BUG
-void fBUG(NUM)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 */
-
- printf("Fatal error %ld. See source code for interpretation.\n",
- NUM);
- exit(0);
-}
-
-
-
-
-
-/* MACHINE DEPENDENT ROUTINES (MAPLIN, TYPE, MPINIT, SAVEIO) */
-
-#define BUG(NUM) fBUG(NUM)
-#undef MAPLIN
-void fMAPLIN(FIL)long FIL; {
-long I, VAL; static FILE *OPENED = NULL;
-
-/* READ A LINE OF INPUT, EITHER FROM A FILE (IF FIL=.TRUE.) OR FROM THE
- * KEYBOARD, 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.
- *
- * NOTE THAT MAPLIN IS EXPECTED TO OPEN THE FILE THE FIRST TIME IT IS
- * ASKED TO READ A LINE FROM IT. THAT IS, THERE IS NO OTHER PLACE WHERE
- * THE DATA FILE IS OPENED. */
-
-
- if(MAP2[1] == 0)MPINIT();
-
- if(FIL) goto L15;
- IGNORE(fgets(INLINE+1, sizeof(INLINE)-1, stdin));
- if(feof(stdin)) score(1);
- goto L20;
-
-L15: if(!OPENED){
- OPENED=fopen("adventure.text","r" /* NOT binary */);
- if(!OPENED){printf("Can't read adventure.text!\n"); exit(0);}
- }
- IGNORE(fgets(INLINE+1,100,OPENED));
-
-L20: LNLENG=0;
- /* 25 */ for (I=1; I<=100 && INLINE[I]!=0; I++) {
- VAL=INLINE[I]+1;
- INLINE[I]=MAP1[VAL];
-L25: if(INLINE[I] != 0)LNLENG=I;
- } /* end loop */
- LNPOSN=1;
- if(FIL && LNLENG == 0) goto L15;
-/* ABOVE IS TO GET AROUND AN F40 COMPILER BUG WHEREIN IT READS A BLANK
- * LINE WHENEVER A CRLF IS BROKEN ACROSS A RECORD BOUNDARY. */
- return;
-}
-
-
-
-#define MAPLIN(FIL) fMAPLIN(FIL)
-#undef TYPE
-void fTYPE() {
-long I, VAL;
-
-/* TYPE THE FIRST "LNLENG" CHARACTERS STORED IN INLINE, MAPPING THEM
- * FROM INTEGERS TO TEXT PER THE RULES DESCRIBED ABOVE. INLINE(I),
- * I=1,LNLENG MAY BE CHANGED BY THIS ROUTINE. */
-
-
- if(LNLENG != 0) goto L10;
- printf("\n");
- return;
-
-L10: if(MAP2[1] == 0)MPINIT();
- /* 20 */ for (I=1; I<=LNLENG; I++) {
- VAL=INLINE[I];
-L20: {long x = VAL+1; INLINE[I]=MAP2[x];}
- } /* end loop */
- {long x = LNLENG+1; INLINE[x]=0;}
- printf("%s\n",INLINE+1);
- return;
-}
-
-
-
-#define TYPE() fTYPE()
-#undef MPINIT
-void fMPINIT() {
-long FIRST, I, J, LAST, VAL;
-static long RUNS[7][2] = {32,34, 39,46, 65,90, 97,122, 37,37, 48,57, 0,126};
-
-
- /* 10 */ for (I=1; I<=128; I++) {
-L10: MAP1[I]= -1;
- } /* end loop */
- VAL=0;
- /* 20 */ for (I=0; I<7; I++) {
- FIRST=RUNS[I][0];
- LAST=RUNS[I][1];
- /* 22 */ for (J=FIRST; J<=LAST; J++) {
- J++; if(MAP1[J] >= 0) goto L22;
- MAP1[J]=VAL;
- VAL=VAL+1;
-L22: J--;
- } /* end loop */
-L20: /*etc*/ ;
- } /* end loop */
- MAP1[128]=MAP1[10];
-/* FOR THIS VERSION, TAB (9) MAPS TO SPACE (32), SO DEL (127) USES TAB'S VALUE */
- MAP1[10]=MAP1[33];
- MAP1[11]=MAP1[33];
-
- /* 30 */ for (I=0; I<=126; I++) {
- I++; VAL=MAP1[I]+1; I--;
- MAP2[VAL]=I*('B'-'A');
-L30: if(I >= 64)MAP2[VAL]=(I-64)*('B'-'A')+'@';
- } /* end loop */
-
- return;
-}
-
-
-
-#define MPINIT() fMPINIT()
-#undef SAVEIO
-void fSAVEIO(OP,IN,ARR)long ARR[], IN, OP; {
-static FILE *F; char NAME[50];
-
-/* IF OP=0, ASK FOR A FILE NAME AND OPEN A FILE. (IF IN=.TRUE., THE FILE IS FOR
- * INPUT, ELSE OUTPUT.) IF OP>0, READ/WRITE ARR FROM/INTO THE PREVIOUSLY-OPENED
- * FILE. (ARR IS A 250-INTEGER ARRAY.) IF OP<0, FINISH READING/WRITING THE
- * FILE. (FINISHING WRITING CAN BE A NO-OP IF A "STOP" STATEMENT DOES IT
- * AUTOMATICALLY. FINISHING READING CAN BE A NO-OP AS LONG AS A SUBSEQUENT
- * SAVEIO(0,.FALSE.,X) WILL STILL WORK.) IF YOU CAN CATCH ERRORS (E.G., NO SUCH
- * FILE) AND TRY AGAIN, GREAT. DEC F40 CAN'T. */
-
-
- {long ifvar; ifvar=(OP); switch (ifvar<0? -1 : ifvar>0? 1 : 0) { case -1:
- goto L10; case 0: goto L20; case 1: goto L30; }}
-
-L10: fclose(F);
- return;
-
-L20: printf("\nFile name: ");
- IGNORE(fgets(NAME, sizeof(NAME), stdin));
- F=fopen(NAME,(IN ? READ_MODE : WRITE_MODE));
- if(F == NULL) {printf("Can't open file, try again.\n"); goto L20;}
- return;
-
-L30: if(IN)IGNORE(fread(ARR,4,250,F));
- if(!IN)fwrite(ARR,4,250,F);
- return;
-
-}
-
-
-
-long fIABS(N)long N; {return(N<0? -N : N);}
-long fMOD(N,M)long N, M; {return(N%M);}
+#include <string.h>
+#include <stdarg.h>
+#include <sys/time.h>
+#include <ctype.h>
+#include <editline/readline.h>
+
+#include "advent.h"
+#include "dungeon.h"
+
+static void* xmalloc(size_t size)
+{
+ void* ptr = malloc(size);
+ if (ptr == NULL) {
+ // LCOV_EXCL_START
+ // exclude from coverage analysis because we can't simulate an out of memory error in testing
+ fprintf(stderr, "Out of memory!\n");
+ exit(EXIT_FAILURE);
+ // LCOV_EXCL_STOP
+ }
+ return (ptr);
+}
+
+void packed_to_token(long packed, char token[TOKLEN + 1])
+{
+ // The advent->ascii mapping.
+ const char advent_to_ascii[] = {
+ ' ', '!', '"', '#', '$', '%', '&', '\'',
+ '(', ')', '*', '+', ',', '-', '.', '/',
+ '0', '1', '2', '3', '4', '5', '6', '7',
+ '8', '9', ':', ';', '<', '=', '>', '?',
+ '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
+ 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
+ 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
+ 'X', 'Y', 'Z', '\0', '\0', '\0', '\0', '\0',
+ };
+
+ // Unpack and map back to ASCII.
+ for (int i = 0; i < 5; ++i) {
+ char advent = (packed >> i * 6) & 63;
+ token[i] = advent_to_ascii[(int) advent];
+ }
+
+ // Ensure the last character is \0.
+ token[5] = '\0';
+
+ // Replace trailing whitespace with \0.
+ for (int i = 4; i >= 0; --i) {
+ if (token[i] == ' ' ||
+ token[i] == '\t')
+ token[i] = '\0';
+ else
+ break;
+ }
+}
+
+long token_to_packed(const char token[])
+{
+ const char ascii_to_advent[] = {
+ 63, 63, 63, 63, 63, 63, 63, 63,
+ 63, 63, 63, 63, 63, 63, 63, 63,
+ 63, 63, 63, 63, 63, 63, 63, 63,
+ 63, 63, 63, 63, 63, 63, 63, 63,
+
+ 0, 1, 2, 3, 4, 5, 6, 7,
+ 8, 9, 10, 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, 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, 63,
+
+ 63, 63, 63, 63, 63, 63, 63, 63,
+ 63, 63, 63, 63, 63, 63, 63, 63,
+ 63, 63, 63, 63, 63, 63, 63, 63,
+ 63, 63, 63, 63, 63, 63, 63, 63,
+ };
+
+ size_t t_len = strlen(token);
+ if (t_len > TOKLEN)
+ t_len = TOKLEN;
+ long packed = 0;
+ for (size_t i = 0; i < t_len; ++i) {
+ char mapped = ascii_to_advent[(int) toupper(token[i])];
+ packed |= (mapped << (6 * i));
+ }
+ return (packed);
+}
+
+void tokenize(char* raw, struct command_t *cmd)
+{
+ memset(cmd, '\0', sizeof(struct command_t));
+
+ /* Bound prefix on the %s would be needed to prevent buffer
+ * overflow. but we shortstop this more simply by making each
+ * raw-input buffer as long as the enrire inout buffer. */
+ sscanf(raw, "%s%s", cmd->raw1, cmd->raw2);
+
+ // pack the substrings
+ cmd->wd1 = token_to_packed(cmd->raw1);
+ cmd->wd2 = token_to_packed(cmd->raw2);
+
+ /* (ESR) In oldstyle mode, simulate the uppercasing and truncating
+ * effect on raw tokens of packing them into sixbit characters, 5
+ * to a 32-bit word. This is something the FORTRAN version did
+ * becuse archaic FORTRAN had no string types. Don Wood's
+ * mechanical translation of 2.5 to C retained the packing and
+ * thus this misfeature.
+ *
+ * It's philosophically questionable whether this is the right
+ * thing to do even in oldstyle mode. On one hand, the text
+ * mangling was not authorial intent, but a result of limitations
+ * in their tools. On the other, not simulating this misbehavior
+ * goes against the goal of making oldstyle as accurate as
+ * possible an emulation of the original UI.
+ */
+ if (settings.oldstyle) {
+ cmd->raw1[TOKLEN + TOKLEN] = cmd->raw2[TOKLEN + TOKLEN] = '\0';
+ for (size_t i = 0; i < strlen(cmd->raw1); i++)
+ cmd->raw1[i] = toupper(cmd->raw1[i]);
+ for (size_t i = 0; i < strlen(cmd->raw2); i++)
+ cmd->raw2[i] = toupper(cmd->raw2[i]);
+ }
+}
+
+/* Hide the fact that wods are corrently packed longs */
+
+void wordclear(token_t *v)
+{
+ *v = 0;
+}
+
+/* I/O routines (speak, pspeak, rspeak, sspeak, get_input, yes) */
+
+void vspeak(const char* msg, bool blank, va_list ap)
+{
+ // Do nothing if we got a null pointer.
+ if (msg == NULL)
+ return;
+
+ // Do nothing if we got an empty string.
+ if (strlen(msg) == 0)
+ return;
+
+ if (blank == true)
+ printf("\n");
+
+ int msglen = strlen(msg);
+
+ // Rendered string
+ ssize_t size = 2000; /* msglen > 50 ? msglen*2 : 100; */
+ char* rendered = xmalloc(size);
+ char* renderp = rendered;
+
+ // Handle format specifiers (including the custom %C, %L, %S) by
+ // adjusting the parameter accordingly, and replacing the
+ // specifier with %s.
+ long previous_arg = 0;
+ for (int i = 0; i < msglen; i++) {
+ if (msg[i] != '%') {
+ /* Ugh. Least obtrusive way to deal with artifacts "on the floor"
+ * being dropped outside of both cave and building. */
+ if (strncmp(msg + i, "floor", 5) == 0 && strchr(" .", msg[i + 5]) && !INSIDE(game.loc)) {
+ strcpy(renderp, "ground");
+ renderp += 6;
+ i += 4;
+ size -= 5;
+ } else {
+ *renderp++ = msg[i];
+ size--;
+ }
+ } else {
+ long arg = va_arg(ap, long);
+ if (arg == -1)
+ arg = 0; // LCOV_EXCL_LINE - don't think we can get here.
+ i++;
+ // Integer specifier. In order to accommodate the fact
+ // that PARMS can have both legitimate integers *and*
+ // packed tokens, stringify everything. Future work may
+ // eliminate the need for this.
+ if (msg[i] == 'd') {
+ int ret = snprintf(renderp, size, "%ld", arg);
+ if (ret < size) {
+ renderp += ret;
+ size -= ret;
+ }
+ }
+
+ // Unmodified string specifier.
+ if (msg[i] == 's') {
+ packed_to_token(arg, renderp); /* unpack directly to destination */
+ size_t len = strlen(renderp);
+ renderp += len;
+ size -= len;
+ }
+
+ // Singular/plural specifier.
+ if (msg[i] == 'S') {
+ if (previous_arg > 1) { // look at the *previous* parameter (which by necessity must be numeric)
+ *renderp++ = 's';
+ size--;
+ }
+ }
+
+ /* Version specifier */
+ if (msg[i] == 'V') {
+ strcpy(renderp, VERSION);
+ size_t len = strlen(VERSION);
+ renderp += len;
+ size -= len;
+ }
+
+ previous_arg = arg;
+ }
+ }
+ *renderp = 0;
+
+ // Print the message.
+ printf("%s\n", rendered);
+
+ free(rendered);
+}
+
+void speak(const char* msg, ...)
+{
+ va_list ap;
+ va_start(ap, msg);
+ vspeak(msg, true, ap);
+ va_end(ap);
+}
+
+void sspeak(const long msg, ...)
+{
+ va_list ap;
+ va_start(ap, msg);
+ fputc('\n', stdout);
+ vprintf(arbitrary_messages[msg], ap);
+ fputc('\n', stdout);
+ va_end(ap);
+}
+
+void pspeak(vocab_t msg, enum speaktype mode, int skip, bool blank, ...)
+/* Find the skip+1st message from msg and print it. Modes are:
+ * feel = for inventory, what you can touch
+ * look = the long description for the state the object is in
+ * listen = the sound for the state the object is in
+ * study = text on the object. */
+{
+ va_list ap;
+ va_start(ap, blank);
+ switch (mode) {
+ case touch:
+ vspeak(objects[msg].inventory, blank, ap);
+ break;
+ case look:
+ vspeak(objects[msg].descriptions[skip], blank, ap);
+ break;
+ case hear:
+ vspeak(objects[msg].sounds[skip], blank, ap);
+ break;
+ case study:
+ vspeak(objects[msg].texts[skip], blank, ap);
+ break;
+ case change:
+ vspeak(objects[msg].changes[skip], blank, ap);
+ break;
+ }
+ va_end(ap);
+}
+
+void rspeak(vocab_t i, ...)
+/* Print the i-th "random" message (section 6 of database). */
+{
+ va_list ap;
+ va_start(ap, i);
+ vspeak(arbitrary_messages[i], true, ap);
+ va_end(ap);
+}
+
+void echo_input(FILE* destination, const char* input_prompt, const char* input)
+{
+ size_t len = strlen(input_prompt) + strlen(input) + 1;
+ char* prompt_and_input = (char*) xmalloc(len);
+ strcpy(prompt_and_input, input_prompt);
+ strcat(prompt_and_input, input);
+ fprintf(destination, "%s\n", prompt_and_input);
+ free(prompt_and_input);
+}
+
+int word_count(char* str)
+{
+ char delims[] = " \t";
+ int count = 0;
+ int inblanks = true;
+
+ for (char *s = str; *s; s++)
+ if (inblanks) {
+ if (strchr(delims, *s) == 0) {
+ ++count;
+ inblanks = false;
+ }
+ } else {
+ if (strchr(delims, *s) != 0) {
+ inblanks = true;
+ }
+ }
+
+ return (count);
+}
+
+char* get_input()
+{
+ // Set up the prompt
+ char input_prompt[] = "> ";
+ if (!settings.prompt)
+ input_prompt[0] = '\0';
+
+ // Print a blank line
+ printf("\n");
+
+ char* input;
+ while (true) {
+ input = readline(input_prompt);
+
+ if (input == NULL) // Got EOF; return with it.
+ return (input);
+ if (input[0] == '#') { // Ignore comments.
+ free(input);
+ continue;
+ }
+ // We have a 'normal' line; leave the loop.
+ break;
+ }
+
+ // Strip trailing newlines from the input
+ input[strcspn(input, "\n")] = 0;
+
+ add_history(input);
+
+ if (!isatty(0))
+ echo_input(stdout, input_prompt, input);
+
+ if (settings.logfp)
+ echo_input(settings.logfp, "", input);
+
+ return (input);
+}
+
+bool silent_yes()
+{
+ bool outcome = false;
+
+ for (;;) {
+ char* reply = get_input();
+ if (reply == NULL) {
+ // LCOV_EXCL_START
+ // Should be unreachable. Reply should never be NULL
+ free(reply);
+ exit(EXIT_SUCCESS);
+ // LCOV_EXCL_STOP
+ }
+ if (strlen(reply) == 0) {
+ free(reply);
+ rspeak(PLEASE_ANSWER);
+ continue;
+ }
+
+ char* firstword = (char*) xmalloc(strlen(reply) + 1);
+ sscanf(reply, "%s", firstword);
+
+ free(reply);
+
+ for (int i = 0; i < (int)strlen(firstword); ++i)
+ firstword[i] = tolower(firstword[i]);
+
+ int yes = strncmp("yes", firstword, sizeof("yes") - 1);
+ int y = strncmp("y", firstword, sizeof("y") - 1);
+ int no = strncmp("no", firstword, sizeof("no") - 1);
+ int n = strncmp("n", firstword, sizeof("n") - 1);
+
+ free(firstword);
+
+ if (yes == 0 ||
+ y == 0) {
+ outcome = true;
+ break;
+ } else if (no == 0 ||
+ n == 0) {
+ outcome = false;
+ break;
+ } else
+ rspeak(PLEASE_ANSWER);
+ }
+ return (outcome);
+}
+
+
+bool yes(const char* question, const char* yes_response, const char* no_response)
+/* Print message X, wait for yes/no answer. If yes, print Y and return true;
+ * if no, print Z and return false. */
+{
+ bool outcome = false;
+
+ for (;;) {
+ speak(question);
+
+ char* reply = get_input();
+ if (reply == NULL) {
+ // LCOV_EXCL_START
+ // Should be unreachable. Reply should never be NULL
+ free(reply);
+ exit(EXIT_SUCCESS);
+ // LCOV_EXCL_STOP
+ }
+
+ if (strlen(reply) == 0) {
+ free(reply);
+ rspeak(PLEASE_ANSWER);
+ continue;
+ }
+
+ char* firstword = (char*) xmalloc(strlen(reply) + 1);
+ sscanf(reply, "%s", firstword);
+
+ free(reply);
+
+ for (int i = 0; i < (int)strlen(firstword); ++i)
+ firstword[i] = tolower(firstword[i]);
+
+ int yes = strncmp("yes", firstword, sizeof("yes") - 1);
+ int y = strncmp("y", firstword, sizeof("y") - 1);
+ int no = strncmp("no", firstword, sizeof("no") - 1);
+ int n = strncmp("n", firstword, sizeof("n") - 1);
+
+ free(firstword);
+
+ if (yes == 0 ||
+ y == 0) {
+ speak(yes_response);
+ outcome = true;
+ break;
+ } else if (no == 0 ||
+ n == 0) {
+ speak(no_response);
+ outcome = false;
+ break;
+ } else
+ rspeak(PLEASE_ANSWER);
+
+ }
+
+ return (outcome);
+}
+
+/* Data structure routines */
+
+int get_motion_vocab_id(const char* word)
+// Return the first motion number that has 'word' as one of its words.
+{
+ for (int i = 0; i < NMOTIONS; ++i) {
+ for (int j = 0; j < motions[i].words.n; ++j) {
+ if (strcasecmp(word, motions[i].words.strs[j]) == 0 && (strlen(word) > 1 ||
+ strchr(ignore, word[0]) == NULL ||
+ !settings.oldstyle))
+ return (i);
+ }
+ }
+ // If execution reaches here, we didn't find the word.
+ return (WORD_NOT_FOUND);
+}
+
+int get_object_vocab_id(const char* word)
+// Return the first object number that has 'word' as one of its words.
+{
+ for (int i = 0; i < NOBJECTS + 1; ++i) { // FIXME: the + 1 should go when 1-indexing for objects is removed
+ for (int j = 0; j < objects[i].words.n; ++j) {
+ if (strcasecmp(word, objects[i].words.strs[j]) == 0)
+ return (i);
+ }
+ }
+ // If execution reaches here, we didn't find the word.
+ return (WORD_NOT_FOUND);
+}
+
+int get_action_vocab_id(const char* word)
+// Return the first motion number that has 'word' as one of its words.
+{
+ for (int i = 0; i < NACTIONS; ++i) {
+ for (int j = 0; j < actions[i].words.n; ++j) {
+ if (strcasecmp(word, actions[i].words.strs[j]) == 0 && (strlen(word) > 1 ||
+ strchr(ignore, word[0]) == NULL ||
+ !settings.oldstyle))
+ return (i);
+ }
+ }
+ // If execution reaches here, we didn't find the word.
+ return (WORD_NOT_FOUND);
+}
+
+int get_special_vocab_id(const char* word)
+// Return the first special number that has 'word' as one of its words.
+{
+ for (int i = 0; i < NSPECIALS; ++i) {
+ for (int j = 0; j < specials[i].words.n; ++j) {
+ if (strcasecmp(word, specials[i].words.strs[j]) == 0)
+ return (i);
+ }
+ }
+ // If execution reaches here, we didn't find the word.
+ return (WORD_NOT_FOUND);
+}
+
+void get_vocab_metadata(const char* word, long* id, enum wordtype* type)
+{
+ /* Check for an empty string */
+ if (strncmp(word, "", sizeof("")) == 0) {
+ *id = WORD_EMPTY;
+ *type = NO_WORD_TYPE;
+ return;
+ }
+
+ long ref_num;
+
+ ref_num = get_motion_vocab_id(word);
+ if (ref_num != WORD_NOT_FOUND) {
+ *id = ref_num;
+ *type = MOTION;
+ return;
+ }
+
+ ref_num = get_object_vocab_id(word);
+ if (ref_num != WORD_NOT_FOUND) {
+ *id = ref_num;
+ *type = OBJECT;
+ return;
+ }
+
+ ref_num = get_action_vocab_id(word);
+ if (ref_num != WORD_NOT_FOUND) {
+ *id = ref_num;
+ *type = ACTION;
+ return;
+ }
+
+ ref_num = get_special_vocab_id(word);
+ if (ref_num != WORD_NOT_FOUND) {
+ *id = ref_num;
+ *type = SPECIAL;
+ return;
+ }
+
+ // Check for the reservoir magic word.
+ if (strcasecmp(word, game.zzword) == 0) {
+ *id = PART;
+ *type = ACTION;
+ return;
+ }
+
+ *id = WORD_NOT_FOUND;
+ *type = NO_WORD_TYPE;
+ return;
+}
+
+void juggle(obj_t object)
+/* Juggle an object by picking it up and putting it down again, the purpose
+ * being to get the object to the front of the chain of things at its loc. */
+{
+ loc_t i, j;
+
+ i = game.place[object];
+ j = game.fixed[object];
+ move(object, i);
+ move(object + NOBJECTS, j);
+}
+
+void move(obj_t object, loc_t where)
+/* Place any object anywhere by picking it up and dropping it. May
+ * already be toting, in which case the carry is a no-op. Mustn't
+ * pick up objects which are not at any loc, since carry wants to
+ * remove objects from game.atloc chains. */
+{
+ long from;
+
+ if (object > NOBJECTS)
+ from = game.fixed[object - NOBJECTS];
+ else
+ from = game.place[object];
+ /* (ESR) Used to check for !SPECIAL(from). I *think* that was wrong... */
+ if (from != LOC_NOWHERE && from != CARRIED)
+ carry(object, from);
+ drop(object, where);
+}
+
+long put(obj_t object, loc_t where, long pval)
+/* put() is the same as move(), except it returns a value used to set up the
+ * negated game.prop values for the repository objects. */
+{
+ move(object, where);
+ return STASHED(pval);
+}
+
+void carry(obj_t object, loc_t where)
+/* Start toting an object, removing it from the list of things at its former
+ * location. Incr holdng unless it was already being toted. If object>NOBJECTS
+ * (moving "fixed" second loc), don't change game.place or game.holdng. */
+{
+ long temp;
+
+ if (object <= NOBJECTS) {
+ if (game.place[object] == CARRIED)
+ return;
+ game.place[object] = CARRIED;
+ ++game.holdng;
+ }
+ if (game.atloc[where] == object) {
+ game.atloc[where] = game.link[object];
+ return;
+ }
+ temp = game.atloc[where];
+ while (game.link[temp] != object) {
+ temp = game.link[temp];
+ }
+ game.link[temp] = game.link[object];
+}
+
+void drop(obj_t object, loc_t where)
+/* Place an object at a given loc, prefixing it onto the game.atloc list. Decr
+ * game.holdng if the object was being toted. */
+{
+ if (object > NOBJECTS)
+ game.fixed[object - NOBJECTS] = where;
+ else {
+ if (game.place[object] == CARRIED)
+ --game.holdng;
+ game.place[object] = where;
+ }
+ if (where == LOC_NOWHERE ||
+ where == CARRIED)
+ return;
+ game.link[object] = game.atloc[where];
+ game.atloc[where] = object;
+}
+
+long atdwrf(loc_t where)
+/* Return the index of first dwarf at the given location, zero if no dwarf is
+ * there (or if dwarves not active yet), -1 if all dwarves are dead. Ignore
+ * the pirate (6th dwarf). */
+{
+ long at;
+
+ at = 0;
+ if (game.dflag < 2)
+ return (at);
+ at = -1;
+ for (long i = 1; i <= NDWARVES - 1; i++) {
+ if (game.dloc[i] == where)
+ return i;
+ if (game.dloc[i] != 0)
+ at = 0;
+ }
+ return (at);
+}
+
+/* Utility routines (setbit, tstbit, set_seed, get_next_lcg_value,
+ * randrange) */
+
+long setbit(long bit)
+/* Returns 2**bit for use in constructing bit-masks. */
+{
+ return (1L << bit);
+}
+
+bool tstbit(long mask, int bit)
+/* Returns true if the specified bit is set in the mask. */
+{
+ return (mask & (1 << bit)) != 0;
+}
+
+void set_seed(long seedval)
+/* Set the LCG seed */
+{
+ game.lcg_x = (unsigned long) seedval % game.lcg_m;
+
+ // once seed is set, we need to generate the Z`ZZZ word
+ make_zzword(game.zzword);
+}
+
+unsigned long get_next_lcg_value(void)
+/* Return the LCG's current value, and then iterate it. */
+{
+ unsigned long old_x = game.lcg_x;
+ game.lcg_x = (game.lcg_a * game.lcg_x + game.lcg_c) % game.lcg_m;
+ return old_x;
+}
+
+long randrange(long range)
+/* Return a random integer from [0, range). */
+{
+ return range * get_next_lcg_value() / game.lcg_m;
+}
+
+void make_zzword(char zzword[TOKLEN + 1])
+{
+ for (int i = 0; i < 5; ++i) {
+ zzword[i] = 'A' + randrange(26);
+ }
+ zzword[1] = '\''; // force second char to apostrophe
+ zzword[5] = '\0';
+}
+
+// LCOV_EXCL_START
+void bug(enum bugtype num, const char *error_string)
+{
+ fprintf(stderr, "Fatal error %d, %s.\n", num, error_string);
+ exit(EXIT_FAILURE);
+}
+// LCOV_EXCL_STOP
+
+/* end */
+
+void state_change(obj_t obj, long state)
+/* Object must have a change-message list for this to be useful; only some do */
+{
+ game.prop[obj] = state;
+ pspeak(obj, change, state, true);
+}
+
+/* end */
projects / open-adventure.git / blobdiff