#define STATE_FOUND 0 // After discovered, before messed with
#define STATE_IN_CAVITY 1 // State value common to all gemstones
+/* Special fixed object-state values - integers > 0 are location */
+#define IS_FIXED -1
+#define IS_FREE 0
+
/* Map a state property value to a negative range, where the object cannot be
* picked up but the value can be recovered later. Avoid colliding with -1,
* which has its own meaning. */
typedef long token_t; // word token - someday this will be char[TOKLEN+1]
typedef long vocab_t; // index into a vocabulary array */
+typedef long obj_t; // index into the object array */
+typedef long loc_t; // index into the locations array */
struct game_t {
unsigned long lcg_a, lcg_c, lcg_m, lcg_x;
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];
+ loc_t dloc[NDWARVES + 1]; // location of dwarves, initially hard-wired in
+ loc_t odloc[NDWARVES + 1]; // prior loc of each dwarf, initially garbage
+ loc_t fixed[NOBJECTS + 1];
long link[NOBJECTS * 2 + 1];
- long place[NOBJECTS + 1];
+ loc_t 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];
struct command_t {
enum speechpart part;
vocab_t verb;
- vocab_t obj;
+ obj_t obj;
token_t wd1;
token_t wd2;
long id1;
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 void juggle(obj_t);
+extern void move(obj_t, loc_t);
+extern long put(obj_t, long, long);
+extern void carry(obj_t, loc_t);
+extern void drop(obj_t, loc_t);
+extern long atdwrf(loc_t);
extern long setbit(long);
extern bool tstbit(long, int);
extern void make_zzword(char*);
extern int restore(FILE *);
extern long initialise(void);
extern int action(struct command_t *command);
+extern void state_change(obj_t, long);
+
void bug(enum bugtype, const char *) __attribute__((__noreturn__));