-/*
- * 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))
-
-enum speechpart {unknown, intransitive, transitive};
-
-struct command_t {
- enum speechpart part;
- vocab_t verb;
- vocab_t obj;
- token_t wd1, wd1x;
- token_t wd2, wd2x;
-};
-
-void initialise(void);
-int action(struct command_t *command);
-
-/* 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.
- */
-#define GO_TERMINATE 2
-#define GO_MOVE 8
-#define GO_TOP 2000
-#define GO_CLEAROBJ 2012
-#define GO_CHECKHINT 2600
-#define GO_CHECKFOO 2607
-#define GO_DIRECTION 2620
-#define GO_LOOKUP 2630
-#define GO_WORD2 2800
-#define GO_SPECIALS 1900
-#define GO_UNKNOWN 8000
-#define GO_ACTION 40000
-#define GO_DWARFWAKE 19000