X-Git-Url: https://jxself.org/git/?p=open-adventure.git;a=blobdiff_plain;f=main.c;h=077e3a996d200dde709fda3215035b194f5c9c99;hp=5f803f6c55c6454cf75581e81378788ad698e2e5;hb=065caace647f86770df0d7bb9f1a3a1ffdd0f188;hpb=bf2fa227f0786952ae4a632a1520bf1cf6663c98 diff --git a/main.c b/main.c index 5f803f6..077e3a9 100644 --- a/main.c +++ b/main.c @@ -13,13 +13,12 @@ * and for the offensive globals. Applying the Structured Program * Theorem can be hard. */ -#define DEFINE_GLOBALS_FROM_INCLUDES + #include #include #include #include #include -#include #include #include "advent.h" #include "linenoise/linenoise.h" @@ -27,10 +26,25 @@ #define DIM(a) (sizeof(a)/sizeof(a[0])) -struct game_t game; - -long LNLENG, LNPOSN; -char rawbuf[LINESIZE], INLINE[LINESIZE + 1]; +struct game_t game = { + .dloc[1] = LOC_KINGHALL, + .dloc[2] = LOC_WESTBANK, + .dloc[3] = LOC_Y2, + .dloc[4] = LOC_ALIKE3, + .dloc[5] = LOC_COMPLEX, + + /* Sixth dwarf is special (the pirate). He always starts at his + * chest's eventual location inside the maze. This loc is saved + * in chloc for ref. The dead end in the other maze has its + * loc stored in chloc2. */ + .dloc[6] = LOC_DEADEND12, + .chloc = LOC_DEADEND12, + .chloc2 = LOC_DEADEND13, + .abbnum = 5, + .clock1 = WARNTIME, + .clock2 = FLASHTIME, + .blklin = true +}; FILE *logfp = NULL, *rfp = NULL; bool oldstyle = false; @@ -45,7 +59,7 @@ static void sig_handler(int signo) if (logfp != NULL) fflush(logfp); } - exit(0); + exit(EXIT_FAILURE); } // LCOV_EXCL_STOP @@ -116,24 +130,15 @@ int main(int argc, char *argv[]) #endif fprintf(stderr, " -s suppress command editing\n"); - exit(-1); + exit(EXIT_FAILURE); break; } } linenoiseHistorySetMaxLen(350); - /* Initialize our LCG PRNG with parameters tested against - * Knuth vol. 2. by the original authors */ - game.lcg_a = 1093; - game.lcg_c = 221587; - game.lcg_m = 1048576; - srand(time(NULL)); - long seedval = (long)rand(); - set_seed(seedval); - /* Initialize game variables */ - initialise(); + long seedval = initialise(); /* Start-up, dwarf stuff */ make_zzword(game.zzword); @@ -374,9 +379,12 @@ static bool dwarfmove(void) if (PCT(50)) game.dloc[j] = 0; } + + /* Alternate initial loc for dwarf, in case one of them + * starts out on top of the adventurer. */ for (int i = 1; i <= NDWARVES - 1; i++) { if (game.dloc[i] == game.loc) - game.dloc[i] = DALTLC; + game.dloc[i] = DALTLC; // game.odloc[i] = game.dloc[i]; } rspeak(DWARF_RAN); @@ -425,7 +433,8 @@ static bool dwarfmove(void) game.odloc[i] = game.dloc[i]; game.dloc[i] = tk[j]; game.dseen[i] = (game.dseen[i] && INDEEP(game.loc)) || (game.dloc[i] == game.loc || game.odloc[i] == game.loc); - if (!game.dseen[i]) continue; + if (!game.dseen[i]) + continue; game.dloc[i] = game.loc; if (spotted_by_pirate(i)) continue; @@ -448,7 +457,8 @@ static bool dwarfmove(void) rspeak(game.dtotal == 1 ? DWARF_SINGLE : DWARF_PACK, game.dtotal); if (attack == 0) return true; - if (game.dflag == 2)game.dflag = 3; + if (game.dflag == 2) + game.dflag = 3; if (attack > 1) { rspeak(THROWN_KNIVES, attack); rspeak(stick > 1 ? MULTIPLE_HITS : (stick == 1 ? ONE_HIT : NONE_HIT), stick); @@ -467,19 +477,19 @@ static bool dwarfmove(void) * If the current loc is zero, it means the clown got himself killed. * We'll allow this maxdie times. NDEATHS is automatically set based * on the number of snide messages available. Each death results in - * a message (81, 83, etc.) which offers reincarnation; if accepted, - * this results in message 82, 84, etc. The last time, if he wants - * another chance, he gets a snide remark as we exit. When - * reincarnated, all objects being carried get dropped at game.oldlc2 - * (presumably the last place prior to being killed) without change - * of props. The loop runs backwards to assure that the bird is - * dropped before the cage. (This kluge could be changed once we're - * sure all references to bird and cage are done by keywords.) The - * lamp is a special case (it wouldn't do to leave it in the cave). - * It is turned off and left outside the building (only if he was - * carrying it, of course). He himself is left inside the building - * (and heaven help him if he tries to xyzzy back into the cave - * without the lamp!). game.oldloc is zapped so he can't just + * a message (obituaries[n]) which offers reincarnation; if accepted, + * this results in message obituaries[0], obituaries[2], etc. The + * last time, if he wants another chance, he gets a snide remark as + * we exit. When reincarnated, all objects being carried get dropped + * at game.oldlc2 (presumably the last place prior to being killed) + * without change of props. The loop runs backwards to assure that + * the bird is dropped before the cage. (This kluge could be changed + * once we're sure all references to bird and cage are done by + * keywords.) The lamp is a special case (it wouldn't do to leave it + * in the cave). It is turned off and left outside the building (only + * if he was carrying it, of course). He himself is left inside the + * building (and heaven help him if he tries to xyzzy back into the + * cave without the lamp!). game.oldloc is zapped so he can't just * "retreat". */ static void croak(void) @@ -519,52 +529,55 @@ static void croak(void) * him, so we need game.oldlc2, which is the last place he was * safe.) */ -static bool playermove(token_t verb, int motion) +static bool playermove( int motion) { - int scratchloc, k2, kk = tkey[game.loc]; + int scratchloc, travel_entry = tkey[game.loc]; game.newloc = game.loc; - if (kk == 0) + if (travel_entry == 0) BUG(LOCATION_HAS_NO_TRAVEL_ENTRIES); // LCOV_EXCL_LINE if (motion == NUL) return true; else if (motion == BACK) { /* Handle "go back". Look for verb which goes from game.loc to * game.oldloc, or to game.oldlc2 If game.oldloc has forced-motion. - * k2 saves entry -> forced loc -> previous loc. */ + * te_tmp saves entry -> forced loc -> previous loc. */ motion = game.oldloc; if (FORCED(motion)) motion = game.oldlc2; game.oldlc2 = game.oldloc; game.oldloc = game.loc; - k2 = 0; - if (motion == game.loc)k2 = FORGOT_PATH; - if (CNDBIT(game.loc, COND_NOBACK))k2 = TWIST_TURN; - if (k2 == 0) { + int spk = 0; + if (motion == game.loc) + spk = FORGOT_PATH; + if (CNDBIT(game.loc, COND_NOBACK)) + spk = TWIST_TURN; + if (spk == 0) { + int te_tmp = 0; for (;;) { - scratchloc = T_DESTINATION(travel[kk]); + scratchloc = T_DESTINATION(travel[travel_entry]); if (scratchloc != motion) { if (!SPECIAL(scratchloc)) { if (FORCED(scratchloc) && T_DESTINATION(travel[tkey[scratchloc]]) == motion) - k2 = kk; + te_tmp = travel_entry; } - if (!travel[kk].stop) { - ++kk; /* go to next travel entry for this location */ + if (!travel[travel_entry].stop) { + ++travel_entry; /* go to next travel entry for this location */ continue; } /* we've reached the end of travel entries for game.loc */ - kk = k2; - if (kk == 0) { + travel_entry = te_tmp; + if (travel_entry == 0) { rspeak(NOT_CONNECTED); return true; } } - motion = travel[kk].motion; - kk = tkey[game.loc]; + motion = travel[travel_entry].motion; + travel_entry = tkey[game.loc]; break; /* fall through to ordinary travel */ } } else { - rspeak(k2); + rspeak(spk); return true; } } else if (motion == LOOK) { @@ -587,36 +600,41 @@ static bool playermove(token_t verb, int motion) game.oldloc = game.loc; } - /* Look for a way to fulfil the motion verb passed in - kk indexes + /* Look for a way to fulfil the motion verb passed in - travel_entry indexes * the beginning of the motion entries for here (game.loc). */ for (;;) { - if (T_TERMINATE(travel[kk]) || travel[kk].motion == motion) + if (T_TERMINATE(travel[travel_entry]) || travel[travel_entry].motion == motion) break; - if (travel[kk].stop) { - /* FIXME: Magic numbers! */ + if (travel[travel_entry].stop) { /* Couldn't find an entry matching the motion word passed * in. Various messages depending on word given. */ int spk = CANT_APPLY; - if (motion >= 43 && motion <= 50)spk = BAD_DIRECTION; - if (motion == 29 || motion == 30)spk = BAD_DIRECTION; - if (motion == 7 || motion == 36 || motion == 37)spk = UNSURE_FACING; - if (motion == 11 || motion == 19)spk = NO_INOUT_HERE; - if (verb == FIND || verb == INVENTORY)spk = NEARBY; - if (motion == 62 || motion == 65)spk = NOTHING_HAPPENS; - if (motion == 17)spk = WHICH_WAY; + if (motion >= EAST && motion <= NW) + spk = BAD_DIRECTION; + if (motion == UP || motion == DOWN) + spk = BAD_DIRECTION; + if (motion == FORWARD || motion == LEFT || motion == RIGHT) + spk = UNSURE_FACING; + if (motion == OUTSIDE || motion == INSIDE) + spk = NO_INOUT_HERE; + if (motion == XYZZY || motion == PLUGH) + spk = NOTHING_HAPPENS; + if (motion == CRAWL) + spk = WHICH_WAY; rspeak(spk); return true; } - ++kk; + ++travel_entry; } /* (ESR) We've found a destination that goes with the motion verb. * Next we need to check any conditional(s) on this destination, and * possibly on following entries. */ + /* FIXME: Magic numbers related to move opcodes */ do { for (;;) { /* L12 loop */ for (;;) { - long cond = T_CONDITION(travel[kk]); + long cond = T_CONDITION(travel[travel_entry]); long arg = MOD(cond, 100); if (!SPECIAL(cond)) { /* YAML N and [pct N] conditionals */ @@ -634,18 +652,18 @@ static bool playermove(token_t verb, int motion) /* We arrive here on conditional failure. * Skip to next non-matching destination */ - long k3 = kk; + long te_tmp = travel_entry; do { - if (travel[k3].stop) + if (travel[te_tmp].stop) BUG(CONDITIONAL_TRAVEL_ENTRY_WITH_NO_ALTERATION); // LCOV_EXCL_LINE - ++k3; + ++te_tmp; } while - (T_HIGH(travel[kk]) == T_HIGH(travel[k3])); - kk = k3; + (T_HIGH(travel[travel_entry]) == T_HIGH(travel[te_tmp])); + travel_entry = te_tmp; } /* Found an eligible rule, now execute it */ - game.newloc = T_DESTINATION(travel[kk]); + game.newloc = T_DESTINATION(travel[travel_entry]); if (!SPECIAL(game.newloc)) return true; @@ -676,14 +694,14 @@ static bool playermove(token_t verb, int motion) * to get it out. Having dropped it, go back and * pretend he wasn't carrying it after all. */ drop(EMERALD, game.loc); - k2 = kk; + int te_tmp = travel_entry; do { - if (travel[k2].stop) + if (travel[te_tmp].stop) BUG(CONDITIONAL_TRAVEL_ENTRY_WITH_NO_ALTERATION); // LCOV_EXCL_LINE - ++k2; + ++te_tmp; } while - (T_HIGH(travel[kk]) == T_HIGH(travel[k2])); - kk = k2; + (T_HIGH(travel[travel_entry]) == T_HIGH(travel[te_tmp])); + travel_entry = te_tmp; continue; /* goto L12 */ case 3: /* Travel 303. Troll bridge. Must be done only @@ -695,8 +713,8 @@ static bool playermove(token_t verb, int motion) * so step out and block him. (standard travel * entries check for game.prop(TROLL)=0.) Special * stuff for bear. */ - if (game.prop[TROLL] == 1) { - pspeak(TROLL, look, 1); + if (game.prop[TROLL] == TROLL_PAIDONCE) { + pspeak(TROLL, look, TROLL_PAIDONCE); game.prop[TROLL] = 0; move(TROLL2, 0); move(TROLL2 + NOBJECTS, 0); @@ -707,11 +725,13 @@ static bool playermove(token_t verb, int motion) return true; } else { game.newloc = objects[TROLL].plac + objects[TROLL].fixd - game.loc; - if (game.prop[TROLL] == 0)game.prop[TROLL] = 1; - if (!TOTING(BEAR)) return true; + if (game.prop[TROLL] == TROLL_UNPAID) + game.prop[TROLL] = TROLL_PAIDONCE; + if (!TOTING(BEAR)) + return true; rspeak(BRIDGE_COLLAPSE); - game.prop[CHASM] = 1; - game.prop[TROLL] = 2; + game.prop[CHASM] = BRIDGE_WRECKED; + game.prop[TROLL] = TROLL_GONE; drop(BEAR, game.newloc); game.fixed[BEAR] = -1; game.prop[BEAR] = BEAR_DEAD; @@ -767,7 +787,7 @@ static bool closecheck(void) * have been activated, since we've found chest. */ if (game.clock1 == 0) { game.prop[GRATE] = GRATE_CLOSED; - game.prop[FISSURE] = 0; + game.prop[FISSURE] = UNBRIDGED; for (int i = 1; i <= NDWARVES; i++) { game.dseen[i] = false; game.dloc[i] = 0; @@ -869,7 +889,8 @@ static void lampcheck(void) if (!game.lmwarn && HERE(LAMP)) { game.lmwarn = true; int spk = GET_BATTERIES; - if (game.place[BATTERY] == LOC_NOWHERE)spk = LAMP_DIM; + if (game.place[BATTERY] == LOC_NOWHERE) + spk = LAMP_DIM; if (game.prop[BATTERY] == DEAD_BATTERIES) spk = MISSING_BATTERIES; rspeak(spk); @@ -890,7 +911,8 @@ static void listobjects(void) ++game.abbrev[game.loc]; for (int i = game.atloc[game.loc]; i != 0; i = game.link[i]) { long obj = i; - if (obj > NOBJECTS)obj = obj - NOBJECTS; + if (obj > NOBJECTS) + obj = obj - NOBJECTS; if (obj == STEPS && TOTING(NUGGET)) continue; if (game.prop[obj] < 0) { @@ -936,7 +958,8 @@ static bool do_command() if (OUTSID(game.newloc) && game.newloc != 0 && game.closng) { rspeak(EXIT_CLOSED); game.newloc = game.loc; - if (!game.panic)game.clock2 = PANICTIME; + if (!game.panic) + game.clock2 = PANICTIME; game.panic = true; } @@ -977,10 +1000,11 @@ static bool do_command() } msg = arbitrary_messages[PITCH_DARK]; } - if (TOTING(BEAR))rspeak(TAME_BEAR); + if (TOTING(BEAR)) + rspeak(TAME_BEAR); speak(msg); if (FORCED(game.loc)) { - if (playermove(command.verb, 1)) + if (playermove(HERE)) return true; else continue; /* back to top of main interpreter loop */ @@ -1017,6 +1041,8 @@ L2600: /* This is where we get a new command from the user */ char* input; + char inputbuf[LINESIZE]; + for (;;) { input = get_input(); if (input == NULL) @@ -1028,8 +1054,12 @@ L2600: if (strcmp(input, "") != 0) break; } + + strncpy(inputbuf, input, LINESIZE - 1); + linenoiseFree(input); + long tokens[4]; - tokenize(input, tokens); + tokenize(inputbuf, tokens); command.wd1 = tokens[0]; command.wd1x = tokens[1]; command.wd2 = tokens[2]; @@ -1082,7 +1112,7 @@ L2607: command.wd1x = command.wd2x; wordclear(&command.wd2); } else { - /* FIXME: Magic numbers */ + /* FIXME: Magic numbers related to vocabulary */ if (!((V1 != 1000 + WATER && V1 != 1000 + OIL) || (V2 != 1000 + PLANT && V2 != 1000 + DOOR))) { if (AT(V2 - 1000)) @@ -1106,15 +1136,16 @@ Lookup: defn = get_vocab_id(word1); if (defn == -1) { /* Gee, I don't understand. */ - if (fallback_handler(input)) + if (fallback_handler(inputbuf)) continue; rspeak(DONT_KNOW, command.wd1, command.wd1x); goto L2600; } + /* FIXME: magic numbers related to vocabulary */ kmod = MOD(defn, 1000); switch (defn / 1000) { case 0: - if (playermove(command.verb, kmod)) + if (playermove(kmod)) return true; else continue; /* back to top of main interpreter loop */ @@ -1138,7 +1169,7 @@ Laction: case GO_TERMINATE: return true; case GO_MOVE: - playermove(command.verb, NUL); + playermove(NUL); return true; case GO_TOP: continue; /* back to top of main interpreter loop */ @@ -1169,7 +1200,6 @@ Laction: default: BUG(ACTION_RETURNED_PHASE_CODE_BEYOND_END_OF_SWITCH); // LCOV_EXCL_LINE } - linenoiseFree(input); } }