+/*
+ * Dungeon types and macros.
+ *
+ * SPDX-FileCopyrightText: 1977, 2005 by Will Crowther and Don Woods
+ * SPDX-FileCopyrightText: 2017 by Eric S. Raymond
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#define LCG_M 1048576L
#define LINESIZE 1024
-#define TOKLEN 5 // # sigificant characters in a token */
+#define TOKLEN 5 // # outputting characters in a token */
#define NDWARVES 6 // number of dwarves
#define PIRATE NDWARVES // must be NDWARVES-1 when zero-origin
#define DALTLC LOC_NUGGET // alternate dwarf location
#define BATTERYLIFE 2500 // turn limit increment from batteries
#define WORD_NOT_FOUND -1 // "Word not found" flag value for the vocab hash functions.
#define WORD_EMPTY 0 // "Word empty" flag value for the vocab hash functions
+#define PIT_KILL_PROB 35 // Percentage probability of dying from fall in pit.
#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_NOTFOUND -1 // 'Not found" state of treasures
#define STATE_FOUND 0 // After discovered, before messed with
#define STATE_IN_CAVITY 1 // State value common to all gemstones
#define IS_FIXED -1
#define IS_FREE 0
-/* Map a state property value to a negative range, where the object cannot be
+/* STASH 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. */
-#define STASHED(obj) (-1 - game.prop[obj])
+ * which has its own meaning as STATE_NOTFOUND. */
+#define PROP_STASHED(obj) (STATE_NOTFOUND - game.objects[obj].prop)
+#define PROP_IS_STASHED(obj) (game.objects[obj].prop < STATE_NOTFOUND)
+#define PROP_IS_NOTFOUND(obj) (game.objects[obj].prop == STATE_NOTFOUND)
+/* Don't use this on an object wi nore thab 2 (unstashed) states */
+#define PROP_IS_FOUND(obj) (game.objects[obj].prop == STATE_FOUND)
+/* Magic number -2 allows a PROP_STASHED version of state 1 */
+#define PROP_IS_INVALID(val) (val < -2 || val > 1)
+#define PROP_IS_STASHED_OR_UNSEEN(obj) (game.objects[obj].prop < 0)
+#define PROP_SET_FOUND(obj) (game.objects[obj].prop = STATE_FOUND)
+#define PROP_SET_NOT_FOUND(obj) (game.objects[obj].prop = STATE_NOTFOUND)
+#define PROP_IS_NOTFOUND2(g, o) (g.objects[o].prop == STATE_NOTFOUND)
#define PROMPT "> "
*/
#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 TOTING(OBJ) (game.objects[OBJ].place == CARRIED)
+#define AT(OBJ) (game.objects[OBJ].place == game.loc || game.objects[OBJ].fixed == game.loc)
#define HERE(OBJ) (AT(OBJ) || TOTING(OBJ))
#define CNDBIT(L,N) (tstbit(conditions[L],N))
-#define LIQUID() (game.prop[BOTTLE] == WATER_BOTTLE? WATER : game.prop[BOTTLE] == OIL_BOTTLE ? OIL : NO_OBJECT )
+#define LIQUID() (game.objects[BOTTLE].prop == WATER_BOTTLE? WATER : game.objects[BOTTLE].prop == OIL_BOTTLE ? OIL : NO_OBJECT )
#define LIQLOC(LOC) (CNDBIT((LOC),COND_FLUID)? CNDBIT((LOC),COND_OILY) ? OIL : WATER : NO_OBJECT)
#define FORCED(LOC) CNDBIT(LOC, COND_FORCED)
-#define DARK(DUMMY) (!CNDBIT(game.loc,COND_LIT) && (game.prop[LAMP] == LAMP_DARK || !HERE(LAMP)))
+#define DARK(DUMMY) (!CNDBIT(game.loc,COND_LIT) && (game.objects[LAMP].prop == 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)
/* 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.
*/
typedef enum {
GO_TERMINATE,
int holdng; // number of objects being carried
int igo; // # uses of "go" instead of a direction
int iwest; // # times he's said "west" instead of "w"
- int knfloc; // knife location; 0 if none, -1 after caveat
+ loc_t knfloc; // knife location; LOC_NOWERE if none, -1 after caveat
turn_t limit; // lifetime of lamp
loc_t loc; // where player is now
loc_t newloc; // where player is going
int saved; // point penalty for saves
int tally; // count of treasures gained
int thresh; // current threshold for endgame scoring tier
- turn_t trndex; // FIXME: not used, remove on next format bump
+ bool seenbigwords; // have we red the graffiti in the Giant's Room?
turn_t trnluz; // # points lost so far due to turns used
turn_t turns; // counts commands given (ignores yes/no)
char zzword[TOKLEN + 1]; // randomly generated magic word from bird
- int abbrev[NLOCATIONS + 1]; // has location been seen?
- int atloc[NLOCATIONS + 1]; // head of object linked list per location
- int dseen[NDWARVES + 1]; // true if dwarf has seen him
- 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]; // fixed location of object (if not IS_FREE)
+ struct {
+ int abbrev; // has location been seen?
+ int atloc; // head of object linked list per location
+ } locs[NLOCATIONS + 1];
+ struct {
+ int seen; // true if dwarf has seen him
+ loc_t loc; // location of dwarves, initially hard-wired in
+ loc_t oldloc; // prior loc of each dwarf, initially garbage
+ } dwarves[NDWARVES + 1];
+ struct {
+ loc_t fixed; // fixed location of object (if not IS_FREE)
+ int prop; // object state */
+ loc_t place; // location of object
+ } objects[NOBJECTS + 1];
+ struct {
+ bool used; // hints[i].used = true iff hint i has been used.
+ int lc; // hints[i].lc = show int at LOC with cond bit i
+ } hints[NHINTS];
obj_t link[NOBJECTS * 2 + 1];// object-list links
- loc_t place[NOBJECTS + 1]; // location of object
- int hinted[NHINTS]; // hinted[i] = true iff hint i has been used.
- int hintlc[NHINTS]; // hintlc[i] = how int at LOC with cond bit i
- int prop[NOBJECTS + 1]; // object state array */
};
/*
int argc;
int optind;
FILE *scriptfp;
+ int debug;
};
typedef struct {
command_state_t state;
} command_t;
+/*
+ * Bump on save format change.
+ *
+ * Note: Verify that the tests run clean before bumping this, then rebuild the check
+ * files afterwards. Otherwise you will get a spurious failure due to the old version
+ * having been generated into a check file.
+ */
+#define SAVE_VERSION 30
+
+/*
+ * Goes at start of file so saves can be identified by file(1) and the like.
+ */
+#define ADVENT_MAGIC "open-adventure\n"
+
+/*
+ * If you change the first three members, the resume function may not properly
+ * reject saves from older versions. Later members can change, but bump the version
+ * when you do that.
+ */
+struct save_t {
+ char magic[sizeof(ADVENT_MAGIC)];
+ int32_t version;
+ int32_t canary;
+ struct game_t game;
+};
+
extern struct game_t game;
+extern struct save_t save;
extern struct settings_t settings;
extern char *myreadline(const char *);
extern bool yes_or_no(const char*, const char*, const char*);
extern void juggle(obj_t);
extern void move(obj_t, loc_t);
-extern loc_t put(obj_t, int, int);
+extern void put(obj_t, loc_t, int);
extern void carry(obj_t, loc_t);
extern void drop(obj_t, loc_t);
extern int atdwrf(loc_t);
extern int32_t randrange(int32_t);
extern int score(enum termination);
extern void terminate(enum termination) __attribute__((noreturn));
-extern int savefile(FILE *, int32_t);
+extern int savefile(FILE *);
+#if defined ADVENT_AUTOSAVE
+extern void autosave(void);
+#endif
extern int suspend(void);
extern int resume(void);
extern int restore(FILE *);
extern phase_codes_t action(command_t);
extern void state_change(obj_t, int);
extern bool is_valid(struct game_t);
-
-void bug(enum bugtype, const char *) __attribute__((__noreturn__));
+extern void bug(enum bugtype, const char *) __attribute__((__noreturn__));
/* represent an empty command word */
static const command_word_t empty_command_word = {
projects / open-adventure.git / blobdiff