open-adventure/advent.h
2017-06-22 08:58:11 -04:00

317 lines
11 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include "common.h"
#include "newdb.h"
#define LINESIZE 100
#define NDWARVES 6 /* number of dwarves */
#define PIRATE NDWARVES /* must be NDWARVES-1 when zero-origin */
#define DALTLC LOC_NUGGET /* alternate dwarf location */
#define MINTRS 50 /* index of lowest reasure */
#define MAXTRS 79 /* index of highest reasure */
#define MAXPARMS 25 /* Max parameters for speak() */
#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 PANICTIME 15 /* time left after closing */
#define BATTERYLIFE 2500 /* turn limit increment from batteries */
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;
long blklin;
long bonus;
long chloc;
long chloc2;
long clock1;
long clock2;
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;
long detail;
long dflag;
long dkill;
long dtotal;
long foobar;
long holdng;
long iwest;
long knfloc;
long limit;
bool lmwarn; /* has player been warned about lamp going dim? */
long loc;
long newloc;
bool novice; /* asked for instructions at start-up? */
long numdie;
long oldloc;
long oldlc2;
long oldobj;
bool panic; /* has player found out he's trapped in the cave? */
long saved;
long tally;
long thresh;
long trndex;
long trnluz;
long turns;
bool wzdark; /* whether the loc he's leaving was dark */
long zzword;
long abbrev[LOCSIZ + 1];
long atloc[LOCSIZ + 1];
long dseen[NDWARVES + 1];
long dloc[NDWARVES + 1];
long odloc[NDWARVES + 1];
long fixed[NOBJECTS + 1];
long link[NOBJECTS * 2 + 1];
long place[NOBJECTS + 1];
long hinted[HINT_COUNT];
long hintlc[HINT_COUNT];
long prop[NOBJECTS + 1];
};
extern struct game_t game;
extern long LNLENG, LNPOSN;
extern char rawbuf[LINESIZE], INLINE[LINESIZE + 1];
extern const char ascii_to_advent[];
extern const char advent_to_ascii[];
extern FILE *logfp;
extern bool oldstyle, editline, prompt;
/* b is not needed for POSIX but harmless */
#define READ_MODE "rb"
#define WRITE_MODE "wb"
extern void* xmalloc(size_t size);
extern void packed_to_token(long, char token[]);
extern void token_to_packed(char token[], long*);
extern void vspeak(const char*, 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, int, ...);
extern void rspeak(vocab_t, ...);
extern bool GETIN(FILE *, token_t*, token_t*, token_t*, token_t*);
extern void echo_input(FILE*, char*, char*);
extern char* get_input(void);
extern bool YES(const char*, const char*, const char*);
extern long GETTXT(bool, bool, bool);
extern token_t MAKEWD(long);
extern long VOCAB(long, long);
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 long RNDVOC(long, long);
extern bool MAPLIN(FILE *);
extern void DATIME(long*, long*);
enum termination {endgame, quitgame, scoregame};
extern void set_seed(long);
extern unsigned long get_next_lcg_value(void);
extern long randrange(long);
extern long score(enum termination);
extern void terminate(enum termination) __attribute__((noreturn));
extern int suspend(void);
extern int resume(void);
extern int restore(FILE *);
/* Symbols for cond bits - used by following macros */
#define COND_LIT 0 /* Light */
#define COND_OILY 1 /* If bit 2 is on: on for oil, off for water */
#define COND_FLUID 2 /* Liquid asset, see bit 1 */
#define COND_NOARRR 3 /* Pirate doesn't go here unless following */
#define COND_NOBACK 4 /* Cannot use "back" to move away */
/* Bits past 10 indicate areas of interest to "hint" routines */
#define COND_HBASE 10 /* Base for location hint bits */
#define COND_HCAVE 11 /* Trying to get into cave */
#define COND_HBIRD 12 /* Trying to catch bird */
#define COND_HSNAKE 13 /* Trying to deal with snake */
#define COND_HMAZE 14 /* Lost in maze */
#define COND_HDARK 15 /* Pondering dark room */
#define COND_HWITT 16 /* At Witt's End */
#define COND_HCLIFF 17 /* Cliff with urn */
#define COND_HWOODS 18 /* Lost in forest */
#define COND_HOGRE 19 /* Trying to deal with ogre */
#define COND_HJADE 20 /* Found all treasures except jade */
/*
* 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(COND[LOC]/2*2,8)-5)*MOD(COND[LOC]/4,2)+1))
#define CNDBIT(L,N) (TSTBIT(COND[L],N))
#define FORCED(LOC) (COND[LOC] == 2)
#define DARK(DUMMY) ((!CNDBIT(game.loc,COND_LIT)) && (game.prop[LAMP] == 0 || !HERE(LAMP)))
#define PCT(N) (randrange(100) < (N))
#define GSTONE(OBJ) ((OBJ) == EMERALD || (OBJ) == RUBY || (OBJ) == AMBER || (OBJ) == SAPPH)
#define FOREST(LOC) ((LOC) >= LOC_FOREST1 && (LOC) <= LOC_FOREST22)
#define VOCWRD(LETTRS,SECT) (VOCAB(MAKEWD(LETTRS),SECT))
#define SPECIAL(LOC) ((LOC) > SPECIALBASE)
/* The following two functions were added to fix a bug (game.clock1 decremented
* while in forest). They should probably be replaced by using another
* "cond" bit. For now, however, a quick fix... OUTSID(LOC) is true if
* LOC is outside, INDEEP(LOC) is true if LOC is "deep" in the cave (hall
* of mists or deeper). Note special kludges for "Foof!" locs. */
#define OUTSID(LOC) ((LOC) <= LOC_GRATE || FOREST(LOC) || (LOC) == PLAC[SAPPH] || (LOC) == LOC_FOOF2 || (LOC) == LOC_FOOF4)
#define INDEEP(LOC) ((LOC) >= LOC_MISTHALL && !OUTSID(LOC) && (LOC) != LOC_FOOF1)
/* vocabulary items */
extern long AMBER, ATTACK, AXE, BACK, BATTERY, BEAR,
BIRD, BLOOD, BOTTLE, CAGE, CAVE, CAVITY, CHAIN, CHASM, CHEST,
CLAM, COINS, DOOR, DPRSSN, DRAGON, DWARF, EGGS,
EMERALD, ENTER, ENTRNC, FIND, FISSURE, FOOD, GRATE, HINT, INVENT,
JADE, KEYS, KNIFE, LAMP, LOCK, LOOK, MAGAZINE, MESSAG, MIRROR, NUGGET, NUL,
OGRE, OIL, OYSTER, PANIC, PEARL, PILLOW, PLANT, PLANT2, PYRAMID,
RESER, ROD, ROD2, RUBY, RUG, SAPPH, SAY, SIGN, SNAKE,
STEPS, STICK, STREAM, THROW, TRIDENT, TROLL, TROLL2,
URN, VASE, VEND, VOLCANO, WATER;
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(FILE *input, 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
/* Special object statuses in game.place - can also be a location number (> 0) */
#define CARRIED -1 /* Player is toting it */
/* hack to ignore GCC Unused Result */
#define IGNORE(r) do{if (r){}}while(0)
/*
* FIXME: These constants should be replaced by strings, at their usage sites.
* They are sixbit-packed representations of vocabulary words. This, and code
* left in misc.c, is the only place left in the runtime that knows about
* word packing.
*/
#define WORD_AXE 12405
#define WORD_BATTERY 201202005
#define WORD_BEAR 2050118
#define WORD_BIRD 2091804
#define WORD_BLOOD 212151504
#define WORD_BOTTLE 215202012
#define WORD_CAGE 3010705
#define WORD_CATCH 301200308
#define WORD_CAVITY 301220920
#define WORD_CHASM 308011913
#define WORD_CLAM 3120113
#define WORD_DOOR 4151518
#define WORD_DRAGON 418010715
#define WORD_DWARF 423011806
#define WORD_FISSURE 609191921
#define WORD_FOOD 6151504
#define WORD_GO 715
#define WORD_GRATE 718012005
#define WORD_KEYS 11052519
#define WORD_KNIFE 1114090605
#define WORD_LAMP 12011316
#define WORD_MAGAZINE 1301070126
#define WORD_MESSAG 1305191901
#define WORD_MIRROR 1309181815
#define WORD_OGRE 15071805
#define WORD_OIL 150912
#define WORD_OYSTER 1525192005
#define WORD_PILLOW 1609121215
#define WORD_PLANT 1612011420
#define WORD_POUR 16152118
#define WORD_RESER 1805190518
#define WORD_ROD 181504
#define WORD_SIGN 19090714
#define WORD_SNAKE 1914011105
#define WORD_STEPS 1920051619
#define WORD_TROLL 2018151212
#define WORD_URN 211814
#define WORD_VEND 1755140409
#define WORD_VOLCANO 1765120301
#define WORD_WATER 1851200518
#define WORD_AMBER 113020518
#define WORD_CHAIN 308010914
#define WORD_CHEST 308051920
#define WORD_COINS 315091419
#define WORD_EGGS 5070719
#define WORD_EMERALD 513051801
#define WORD_JADE 10010405
#define WORD_NUGGET 7151204
#define WORD_PEARL 1605011812
#define WORD_PYRAMID 1625180113
#define WORD_RUBY 18210225
#define WORD_RUG 182107
#define WORD_SAPPH 1901161608
#define WORD_TRIDENT 2018090405
#define WORD_VASE 22011905
#define WORD_BACK 2010311
#define WORD_CAVE 3012205
#define WORD_DPRSSN 405161805
#define WORD_ENTER 514200518
#define WORD_ENTRNC 514201801
#define WORD_LOOK 12151511
#define WORD_NUL 14211212
#define WORD_STREAM 1920180501
#define WORD_FIND 6091404
#define WORD_INVENT 914220514
#define WORD_LOCK 12150311
#define WORD_SAY 190125
#define WORD_THROW 2008181523
#define WORD_WEST 23051920
#define WORD_YES 250519
#define WORD_YINIT 25
/* end */