#include #include #include #include #ifndef CALCULATOR #include #endif #include "dungeon.h" /* LCG PRNG parameters tested against * Knuth vol. 2. by the original authors */ #ifndef CALCULATOR #define LCG_A 1093UL #define LCG_C 221587UL #define LCG_M 1048576UL #define LCG_MASK 1048575UL #define LCG_SHIFT 20 #else #define LCG_A 1093 #define LCG_C 221587 #define LCG_M 0x100000 #define LCG_MASK 0xFFFFF #define LCG_SHIFT 20 #endif typedef int vocab_t; // index into a vocabulary array */ typedef uint8_t verb_t; // index into an actions array */ typedef int16_t obj_t; // index into the object array */ typedef int16_t loc_t; // index into the locations array */ typedef int16_t turn_t; // turn counter or threshold */ extern bool at(obj_t obj); extern bool here(obj_t obj); extern int16_t liquid(void); extern obj_t liqloc(loc_t loc); extern bool dark(loc_t dummy); extern bool gstone(obj_t obj); extern bool outsid(loc_t loc); extern bool inside(loc_t loc); extern bool indeep(loc_t loc); #ifndef CALCULATOR #define LINESIZE 1024 #else #define LINESIZE 33 #endif #define TOKLEN 5 // # sigificant 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 INVLIMIT 7 // inventory limit (# of objects) #define INTRANSITIVE (-1) // illegal object number #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 WORD_EMPTY 0 // "Word empty" flag value for the vocab hash functions #define CARRIED ((signed short)-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 ((signed short)-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 /* 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. */ #define STASHED(obj) (-1 - game.prop[obj]) /* * DESTROY(N) = Get rid of an item by putting it in LOC_NOWHERE * MOD(N,M) = Arithmetic modulus * TOTING(OBJ) = true if the OBJ is being carried * CNDBIT(L,N) = true if COND(L) has bit n set (bit 0 is units bit) * FORCED(LOC) = true if LOC moves without asking for input (COND=2) * PCT(N) = true N% of the time (N integer from 0 to 100) * FOREST(LOC) = true if LOC is part of the forest * BUG(X) = report bug and exit */ #define DESTROY(N) move(N, LOC_NOWHERE) #define MOD(N,M) ((N) % (M)) #define TOTING(OBJ) (game.place[OBJ] == CARRIED) #define CNDBIT(L,N) (tstbit(conditions[L],N)) #define FORCED(LOC) (CNDBIT(LOC, COND_FORCED)) #define PCT(N) (randrange(100) < (N)) #define FOREST(LOC) (CNDBIT(LOC, COND_FOREST)) #define BUG(x) bug(x, #x) 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 }; #ifdef CALCULATOR #define SAVE_FILE_HEADER "Colossal Cave Adventure save file" extern const char* save_file_header; #endif enum speaktype {touch, look, hear, study, change}; enum termination {endgame, quitgame, scoregame}; enum speechpart {unknown, intransitive, transitive}; typedef enum {NO_WORD_TYPE, MOTION, OBJECT, ACTION, NUMERIC} word_type_t; typedef enum scorebonus {none, splatter, defeat, victory} score_t; /* 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, GO_MOVE, GO_TOP, GO_CLEAROBJ, GO_CHECKHINT, GO_WORD2, GO_UNKNOWN, GO_DWARFWAKE } phase_codes_t; struct game_t { unsigned int lcg_x; int16_t abbnum; // How often to print int descriptions score_t bonus; // What kind of finishing bonus we are getting loc_t chloc; // pirate chest location loc_t chloc2; // pirate chest alternate location turn_t clock1; // # turns from finding last treasure to close turn_t clock2; // # turns from 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 bool lmwarn; // has player been warned about lamp going dim? bool novice; // asked for instructions at start-up? bool panic; // has player found out he's trapped? bool wzdark; // whether the loc he's leaving was dark bool blooded; // has player drunk of dragon's blood? uint16_t conds; // min value for cond[loc] if loc has any hints int8_t detail; // level of detail in descriptions /* 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) */ uint16_t dflag; int8_t dkill; // dwarves killed int8_t dtotal; // total dwarves (including pirate) in loc int8_t foobar; // progress in saying "FEE FIE FOE FOO". int8_t holdng; // number of objects being carried uint8_t igo; // # uses of "go" instead of a direction uint8_t iwest; // # times he's said "west" instead of "w" int16_t knfloc; // knife location; 0 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 turn_t numdie; // number of times killed so far loc_t oldloc; // where player was loc_t oldlc2; // where player was two moves ago obj_t oldobj; // last object player handled uint16_t saved; // point penalty for saves int8_t tally; // count of treasures gained uint16_t thresh; // current threshold for endgame scoring tier turn_t trndex; // FIXME: not used, remove on next format bump 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 int16_t abbrev[NLOCATIONS + 1]; // has location been seen? int16_t atloc[NLOCATIONS + 1]; // head of object linked list per location uint8_t 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) obj_t link[NOBJECTS * 2 + 1];// object-list links loc_t place[NOBJECTS + 1]; // location of object uint8_t hinted[NHINTS]; // hinted[i] = true iff hint i has been used. int8_t hintlc[NHINTS]; // hintlc[i] = how int at LOC with cond bit i int8_t prop[NOBJECTS + 1]; // object state array */ }; /* * 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; }; typedef struct { char raw[LINESIZE]; vocab_t id; word_type_t type; } command_word_t; typedef enum {EMPTY, RAW, TOKENIZED, GIVEN, PREPROCESSED, PROCESSING, EXECUTED} command_state_t; typedef struct { enum speechpart part; command_word_t word[2]; verb_t verb; obj_t obj; command_state_t state; } command_t; extern struct game_t game; extern struct settings_t settings; #ifdef CALCULATOR extern char* save_file_name; extern bool save_validated; #endif extern void play(); extern void load_dungeon(void); extern bool get_command_input(command_t *); extern void clear_command(command_t *); extern void speak(const compressed_string_index_t, ...); void sspeak(const int msg, ...); extern void pspeak(vocab_t, enum speaktype, bool, int, ...); extern void rspeak(vocab_t, ...); extern void echo_input(FILE*, const char*, const char*); extern bool silent_yes(void); extern bool yes(const compressed_string_index_t, const compressed_string_index_t, const compressed_string_index_t); extern void juggle(obj_t); extern void move(obj_t, loc_t); extern loc_t 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 unsigned int setbit(unsigned int); extern bool tstbit(unsigned int, unsigned int); extern void set_seed(int32_t); extern unsigned int randrange(unsigned int); extern int score(enum termination); #ifndef CALCULATOR extern void terminate(enum termination) __attribute__((noreturn)); #else extern void terminate(enum termination); #endif #ifdef CALCULATOR extern void save_apd(void); extern int set_save_file_name(void); #endif extern int savefile(FILE *, int32_t); extern int suspend(void); extern int resume(void); extern int restore(FILE *); extern int initialise(void); extern phase_codes_t action(command_t*); extern void state_change(obj_t, int); extern bool is_valid(struct game_t); #ifndef CALCULATOR void bug(enum bugtype, const char *) __attribute__((__noreturn__)); #else void bug(enum bugtype, const char *); #endif #ifndef CALCULATOR /* represent an empty command word */ static const command_word_t empty_command_word = { .raw = "", .id = WORD_EMPTY, .type = NO_WORD_TYPE, }; #else extern command_word_t empty_command_word; #endif /* Moved from saveresume.c so we can have calc.c enumerate saves. */ /* * 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 VRSION 29 /* * If you change the first three members, the resume function may not properly * reject saves from older versions. Yes, this glues us to a hardware- * dependent length of int. Later members can change, but bump the version * when you do that. */ #ifndef CALCULATOR struct save_t { int64_t savetime; int32_t mode; /* not used, must be present for version detection */ int32_t version; struct game_t game; }; #else typedef struct save_t { char id_str[34]; /*"Colossal Cave Adventure save file"*/ unsigned long savetime; int mode; /* not used, must be present for version detection */ int version; struct game_t game; } save_t; #endif /* end */