-#define LINESIZE 100
-
-typedef struct lcg_state
-{
- unsigned long a, c, m, x;
-} lcg_state;
-
-extern long ABB[], ATLOC[], BLKLIN, DFLAG, DLOC[], FIXED[], HOLDNG,
- LINK[], LNLENG, LNPOSN,
- PARMS[], PLACE[];
-extern char rawbuf[LINESIZE], INLINE[LINESIZE+1], MAP1[], MAP2[];
-extern FILE *logfp;
-extern bool oldstyle;
-extern lcg_state lcgstate;
-
-/* b is not needed for POSIX but harmless */
-#define READ_MODE "rb"
-#define WRITE_MODE "wb"
-
-extern void fSPEAK(long);
-#define SPEAK(N) fSPEAK(N)
-extern void fPSPEAK(long,long);
-#define PSPEAK(MSG,SKIP) fPSPEAK(MSG,SKIP)
-extern void fRSPEAK(long);
-#define RSPEAK(I) fRSPEAK(I)
-extern void fSETPRM(long,long,long);
-#define SETPRM(FIRST,P1,P2) fSETPRM(FIRST,P1,P2)
-extern bool fGETIN(FILE *,long*,long*,long*,long*);
-#define GETIN(input,WORD1,WORD1X,WORD2,WORD2X) fGETIN(input,&WORD1,&WORD1X,&WORD2,&WORD2X)
-extern long fYES(FILE *,long,long,long);
-#define YES(input,X,Y,Z) fYES(input,X,Y,Z)
-extern long fGETNUM(FILE *);
-#define GETNUM(K) fGETNUM(K)
-extern long fGETTXT(long,long,long);
-#define GETTXT(SKIP,ONEWRD,UPPER) fGETTXT(SKIP,ONEWRD,UPPER)
-extern long fMAKEWD(long);
-#define MAKEWD(LETTRS) fMAKEWD(LETTRS)
-extern void fPUTTXT(long,long*,long);
-#define PUTTXT(WORD,STATE,CASE) fPUTTXT(WORD,&STATE,CASE)
-extern void fSHFTXT(long,long);
-#define SHFTXT(FROM,DELTA) fSHFTXT(FROM,DELTA)
-extern void fTYPE0();
-#define TYPE0() fTYPE0()
-extern void fSAVWDS(long*,long*,long*,long*,long*,long*,long*);
-#define SAVWDS(W1,W2,W3,W4,W5,W6,W7) fSAVWDS(&W1,&W2,&W3,&W4,&W5,&W6,&W7)
-extern void fSAVARR(long*,long);
-#define SAVARR(ARR,N) fSAVARR(ARR,N)
-extern void fSAVWRD(long,long*);
-#define SAVWRD(OP,WORD) fSAVWRD(OP,&WORD)
-extern long fVOCAB(long,long);
-#define VOCAB(ID,INIT) fVOCAB(ID,INIT)
-extern void fDSTROY(long);
-#define DSTROY(OBJECT) fDSTROY(OBJECT)
-extern void fJUGGLE(long);
-#define JUGGLE(OBJECT) fJUGGLE(OBJECT)
-extern void fMOVE(long,long);
-#define MOVE(OBJECT,WHERE) fMOVE(OBJECT,WHERE)
-extern long fPUT(long,long,long);
-#define PUT(OBJECT,WHERE,PVAL) fPUT(OBJECT,WHERE,PVAL)
-extern void fCARRY(long,long);
-#define CARRY(OBJECT,WHERE) fCARRY(OBJECT,WHERE)
-extern void fDROP(long,long);
-#define DROP(OBJECT,WHERE) fDROP(OBJECT,WHERE)
-extern long fATDWRF(long);
-#define ATDWRF(WHERE) fATDWRF(WHERE)
-extern long fSETBIT(long);
-#define SETBIT(BIT) fSETBIT(BIT)
-extern long fTSTBIT(long,long);
-#define TSTBIT(MASK,BIT) fTSTBIT(MASK,BIT)
-extern long fRNDVOC(long,long);
-#define RNDVOC(CHAR,FORCE) fRNDVOC(CHAR,FORCE)
-extern void fBUG(long);
-#define BUG(NUM) fBUG(NUM)
-extern void fMAPLIN(FILE *);
-#define MAPLIN(FIL) fMAPLIN(FIL)
-extern void fTYPE();
-#define TYPE() fTYPE()
-extern void fMPINIT();
-#define MPINIT() fMPINIT()
-extern void fSAVEIO(long,long,long*);
-#define SAVEIO(OP,IN,ARR) fSAVEIO(OP,IN,ARR)
-extern void DATIME(long*, long*);
-extern long fIABS(long);
-#define IABS(N) fIABS(N)
-extern long fMOD(long,long);
-#define MOD(N,M) fMOD(N,M)
+#include "dungeon.h"
+
+#define LINESIZE 1024
+#define NDWARVES 6 // number of dwarves
+#define PIRATE NDWARVES // must be NDWARVES-1 when zero-origin
+#define DALTLC LOC_NUGGET // alternate dwarf location
+#define INVLIMIT 7 // inverntory limit (# of objects)
+#define INTRANSITIVE -1 // illegal object number
+#define SPECIALBASE 300 // base number of special rooms
+#define GAMELIMIT 330 // base limit of turns
+#define NOVICELIMIT 1000 // limit of turns for novice
+#define WARNTIME 30 // late game starts at game.limit-this
+#define FLASHTIME 50 // turns from first warning till blinding flash
+#define PANICTIME 15 // time left after closing
+#define BATTERYLIFE 2500 // turn limit increment from batteries
+#define WORD_NOT_FOUND -1 // "Word not found" flag value for the vocab hash functions.
+#define CARRIED -1 // Player is toting it
+#define READ_MODE "rb" // b is not needed for POSIX but harmless
+#define WRITE_MODE "wb" // b is not needed for POSIX but harmless
+
+/* Special object-state values - integers > 0 are object-specific */
+#define STATE_NOTFOUND -1 // 'Not found" state of treasures */
+#define STATE_GROUND 0 // After discovered, before messed with
+
+/*
+ * MOD(N,M) = Arithmetic modulus
+ * AT(OBJ) = true if on either side of two-placed object
+ * CNDBIT(L,N) = true if COND(L) has bit n set (bit 0 is units bit)
+ * DARK(LOC) = true if location "LOC" is dark
+ * FORCED(LOC) = true if LOC moves without asking for input (COND=2)
+ * FOREST(LOC) = true if LOC is part of the forest
+ * GSTONE(OBJ) = true if OBJ is a gemstone
+ * HERE(OBJ) = true if the OBJ is at "LOC" (or is being carried)
+ * LIQUID() = object number of liquid in bottle
+ * LIQLOC(LOC) = object number of liquid (if any) at LOC
+ * PCT(N) = true N% of the time (N integer from 0 to 100)
+ * TOTING(OBJ) = true if the OBJ is being carried */
+#define DESTROY(N) move(N, LOC_NOWHERE)
+#define MOD(N,M) ((N) % (M))
+#define TOTING(OBJ) (game.place[OBJ] == CARRIED)
+#define AT(OBJ) (game.place[OBJ] == game.loc || game.fixed[OBJ] == game.loc)
+#define HERE(OBJ) (AT(OBJ) || TOTING(OBJ))
+#define LIQ2(PBOTL) ((1-(PBOTL))*WATER+((PBOTL)/2)*(WATER+OIL))
+#define LIQUID() (LIQ2(game.prop[BOTTLE]<0 ? -1-game.prop[BOTTLE] : game.prop[BOTTLE]))
+#define LIQLOC(LOC) (LIQ2((MOD(conditions[LOC]/2*2,8)-5)*MOD(conditions[LOC]/4,2)+1))
+#define CNDBIT(L,N) (tstbit(conditions[L],N))
+#define FORCED(LOC) CNDBIT(LOC, COND_FORCED)
+#define DARK(DUMMY) ((!tstbit(conditions[game.loc],COND_LIT)) && (game.prop[LAMP] == LAMP_DARK || !HERE(LAMP)))
+#define PCT(N) (randrange(100) < (N))
+#define GSTONE(OBJ) ((OBJ) == EMERALD || (OBJ) == RUBY || (OBJ) == AMBER || (OBJ) == SAPPH)
+#define FOREST(LOC) CNDBIT(LOC, COND_FOREST)
+#define SPECIAL(LOC) ((LOC) > SPECIALBASE)
+#define OUTSID(LOC) (CNDBIT(LOC, COND_ABOVE) || FOREST(LOC))
+#define INDEEP(LOC) ((LOC) >= LOC_MISTHALL && !OUTSID(LOC))
+#define BUG(x) bug(x, #x)
+#define MOTION_WORD(n) ((n) + 0)
+#define OBJECT_WORD(n) ((n) + 1000)
+#define ACTION_WORD(n) ((n) + 2000)
+#define SPECIAL_WORD(n) ((n) + 3000)
+#define PROMOTE_WORD(n) ((n) + 1000)
+#define DEMOTE_WORD(n) ((n) - 1000)
+
+enum bugtype {
+ SPECIAL_TRAVEL_500_GT_L_GT_300_EXCEEDS_GOTO_LIST,
+ VOCABULARY_TYPE_N_OVER_1000_NOT_BETWEEN_0_AND_3,
+ INTRANSITIVE_ACTION_VERB_EXCEEDS_GOTO_LIST,
+ TRANSITIVE_ACTION_VERB_EXCEEDS_GOTO_LIST,
+ CONDITIONAL_TRAVEL_ENTRY_WITH_NO_ALTERATION,
+ LOCATION_HAS_NO_TRAVEL_ENTRIES,
+ HINT_NUMBER_EXCEEDS_GOTO_LIST,
+ SPEECHPART_NOT_TRANSITIVE_OR_INTRANSITIVE_OR_UNKNOWN,
+ ACTION_RETURNED_PHASE_CODE_BEYOND_END_OF_SWITCH,
+};
+
+enum speaktype {touch, look, hear, study, change};
+
+enum termination {endgame, quitgame, scoregame};
+
+enum speechpart {unknown, intransitive, transitive};
+
+/* Phase codes for action returns.
+ * These were at one time FORTRAN line numbers.
+ * The values don't matter, but perturb their order at your peril.
+ */
+enum phase_codes {
+ GO_TERMINATE,
+ GO_MOVE,
+ GO_TOP,
+ GO_CLEAROBJ,
+ GO_CHECKHINT,
+ GO_CHECKFOO,
+ GO_DIRECTION,
+ GO_LOOKUP,
+ GO_WORD2,
+ GO_SPECIALS,
+ GO_UNKNOWN,
+ GO_ACTION,
+ GO_DWARFWAKE,
+};
+
+typedef long token_t; // word token - someday this will be char[TOKLEN+1]
+typedef long vocab_t; // index into a vocabulary array */
+
+struct game_t {
+ unsigned long lcg_a, lcg_c, lcg_m, lcg_x;
+ long abbnum; // How often to print non-abbreviated descriptions
+ long bonus;
+ long chloc;
+ long chloc2;
+ long clock1; // # turns from finding last treasure till closing
+ long clock2; // # turns from first warning till blinding flash
+ bool clshnt; // has player read the clue in the endgame?
+ bool closed; // whether we're all the way closed
+ bool closng; // whether it's closing time yet
+ long conds; // min value for cond(loc) if loc has any hints
+ long detail;
+
+ /* dflag controls the level of activation of dwarves:
+ * 0 No dwarf stuff yet (wait until reaches Hall Of Mists)
+ * 1 Reached Hall Of Mists, but hasn't met first dwarf
+ * 2 Met first dwarf, others start moving, no knives thrown yet
+ * 3 A knife has been thrown (first set always misses)
+ * 3+ Dwarves are mad (increases their accuracy) */
+ long dflag;
+
+ long dkill;
+ long dtotal;
+ long foobar; // current progress in saying "FEE FIE FOE FOO".
+ long holdng; // number of objects being carried
+ long iwest; // How many times he's said "west" instead of "w"
+ long knfloc; // 0 if no knife here, loc if knife , -1 after caveat
+ long limit; // lifetime of lamp (not set here)
+ bool lmwarn; // has player been warned about lamp going dim?
+ long loc;
+ long newloc;
+ bool novice; // asked for instructions at start-up?
+ long numdie; // number of times killed so far
+ long oldloc;
+ long oldlc2;
+ long oldobj;
+ bool panic; // has player found out he's trapped in the cave?
+ long saved; // point penalty for saves
+ long tally;
+ long thresh;
+ long trndex;
+ long trnluz; // # points lost so far due to number of turns used
+ long turns; // how many commands he's given (ignores yes/no)
+ bool wzdark; // whether the loc he's leaving was dark
+ char zzword[6]; // randomly generated magic word from bird
+ bool blooded; // has player drunk of dragon's blood?
+ long abbrev[NLOCATIONS + 1];
+ long atloc[NLOCATIONS + 1];
+ long dseen[NDWARVES + 1]; // true if dwarf has seen him
+ long dloc[NDWARVES + 1]; // location of dwarves, initially hard-wired in
+ long odloc[NDWARVES + 1]; // prior loc of each dwarf, initially garbage
+ long fixed[NOBJECTS + 1];
+ long link[NOBJECTS * 2 + 1];
+ long place[NOBJECTS + 1];
+ long hinted[NHINTS]; // hintlc[i] is how long he's been at LOC with cond bit i
+ long hintlc[NHINTS]; // hinted[i] is true iff hint i has been used.
+ long prop[NOBJECTS + 1];
+};
+
+/*
+ * Game application settings - settings, but not state of the game, per se.
+ * This data is not saved in a saved game.
+ */
+struct settings_t {
+ FILE *logfp;
+ bool oldstyle;
+ bool prompt;
+};
+
+struct command_t {
+ enum speechpart part;
+ vocab_t verb;
+ vocab_t obj;
+ token_t wd1, wd1x;
+ token_t wd2, wd2x;
+};
+
+extern struct game_t game;
+extern struct settings_t settings;
+
+extern char* xstrdup(const char* s);
+extern void* xmalloc(size_t size);
+extern void packed_to_token(long, char token[]);
+extern long token_to_packed(const char token[6]);
+extern void tokenize(char*, long tokens[4]);
+extern void vspeak(const char*, bool, va_list);
+extern bool wordeq(token_t, token_t);
+extern bool wordempty(token_t);
+extern void wordclear(token_t *);
+extern void speak(const char*, ...);
+extern void pspeak(vocab_t, enum speaktype, int, bool, ...);
+extern void rspeak(vocab_t, ...);
+extern void echo_input(FILE*, const char*, const char*);
+extern int word_count(char*);
+extern char* get_input(void);
+extern bool silent_yes(void);
+extern bool yes(const char*, const char*, const char*);
+extern int get_motion_vocab_id(const char*);
+extern int get_object_vocab_id(const char*);
+extern int get_action_vocab_id(const char*);
+extern int get_special_vocab_id(const char*);
+extern long get_vocab_id(const char*);
+extern void juggle(long);
+extern void move(long, long);
+extern long put(long, long, long);
+extern void carry(long, long);
+extern void drop(long, long);
+extern long atdwrf(long);
+extern long setbit(long);
+extern bool tstbit(long, int);
+extern void make_zzword(char*);