X-Git-Url: https://jxself.org/git/?p=open-adventure.git;a=blobdiff_plain;f=main.c;h=2ba9dda3d4a6a52ead0e6f833c6d358ded07b64f;hp=f2e107515a70d212a678a7f47757746d7c01562c;hb=5fb6e2e1bcec3bfddd322d27bdd85037c3c814f7;hpb=26bf324e072c8210ed3d709d6cf5063d3f749b18 diff --git a/main.c b/main.c index f2e1075..2ba9dda 100644 --- a/main.c +++ b/main.c @@ -11,6 +11,10 @@ * ESR apologizes for the remaing gotos (now confined to one function * in this file - there used to be over 350 of them, *everywhere*). * Applying the Structured Program Theorem can be hard. + * + * Copyright (c) 1977, 2005 by Will Crowther and Don Woods + * Copyright (c) 2017 by Eric S. Raymond + * SPDX-License-Identifier: BSD-2-clause */ #include @@ -85,7 +89,6 @@ int main(int argc, char *argv[]) fprintf(stderr, "advent: can't open save file %s for read\n", optarg); - signal(SIGINT, sig_handler); break; #endif default: @@ -461,6 +464,8 @@ static bool dwarfmove(void) static void croak(void) /* Okay, he's dead. Let's get on with it. */ { + if (game.numdie < 0) + game.numdie = 0; // LCOV_EXCL_LINE const char* query = obituaries[game.numdie].query; const char* yes_response = obituaries[game.numdie].yes_response; ++game.numdie; @@ -693,14 +698,16 @@ static void playermove( int motion) * to get it out. Having dropped it, go back and * pretend he wasn't carrying it after all. */ drop(EMERALD, game.loc); - int te_tmp = travel_entry; - do { - if (travel[te_tmp].stop) - BUG(CONDITIONAL_TRAVEL_ENTRY_WITH_NO_ALTERATION); // LCOV_EXCL_LINE - ++te_tmp; - } while - (traveleq(travel_entry, te_tmp)); - travel_entry = te_tmp; + { + int te_tmp = travel_entry; + do { + if (travel[te_tmp].stop) + BUG(CONDITIONAL_TRAVEL_ENTRY_WITH_NO_ALTERATION); // LCOV_EXCL_LINE + ++te_tmp; + } while + (traveleq(travel_entry, te_tmp)); + travel_entry = te_tmp; + } continue; /* goto L12 */ case 3: /* Special travel 3. Troll bridge. Must be done @@ -1030,8 +1037,11 @@ static bool do_command() listobjects(); Lclearobj: + command.verb = ACT_NULL; game.oldobj = command.obj; + command.obj = NO_OBJECT; +Lcheckhint: checkhints(); /* If closing time, check for any objects being toted with @@ -1050,43 +1060,38 @@ Lclearobj: if (game.knfloc > 0 && game.knfloc != game.loc) game.knfloc = 0; - /* Preserve state from last command for reuse when required */ - command_t preserve = command; + /* Preserve state from last command for reuse when required */ + command_t preserve = command; - // Get command input from user + // Get command input from user if (!get_command_input(&command)) return false; +Lclosecheck: #ifdef GDEBUG - /* Needs to stay synced with enum word_type_t */ - const char *types[] = {"NO_WORD_TYPE", "MOTION", "OBJECT", "ACTION", "NUMERIC"}; - /* needs to stay synced with enum speechpart */ - const char *roles[] = {"unknown", "intransitive", "transitive"}; - printf("Preserve: role = %s type1 = %s, id1 = %ld, type2 = %s, id2 = %ld\n", - roles[preserve.part], - types[preserve.word[0].type], - preserve.word[0].id, - types[preserve.word[1].type], - preserve.word[1].id); - printf("Command: role = %s type1 = %s, id1 = %ld, type2 = %s, id2 = %ld\n", - roles[command.part], - types[command.word[0].type], - command.word[0].id, - types[command.word[1].type], - command.word[1].id); + /* Needs to stay synced with enum word_type_t */ + const char *types[] = {"NO_WORD_TYPE", "MOTION", "OBJECT", "ACTION", "NUMERIC"}; + /* needs to stay synced with enum speechpart */ + const char *roles[] = {"unknown", "intransitive", "transitive"}; + printf("Preserve: role = %s type1 = %s, id1 = %ld, type2 = %s, id2 = %ld\n", + roles[preserve.part], + types[preserve.word[0].type], + preserve.word[0].id, + types[preserve.word[1].type], + preserve.word[1].id); + printf("Command: role = %s type1 = %s, id1 = %ld, type2 = %s, id2 = %ld\n", + roles[command.part], + types[command.word[0].type], + command.word[0].id, + types[command.word[1].type], + command.word[1].id); #endif - /* Handle of objectless action followed by actionless object */ - if (preserve.word[0].type == ACTION && preserve.word[1].type == NO_WORD_TYPE && command.word[1].id == 0) - command.verb = preserve.verb; + /* Handle of objectless action followed by actionless object */ + if (preserve.word[0].type == ACTION && preserve.word[1].type == NO_WORD_TYPE && command.word[1].id == 0) + command.verb = preserve.verb; -#ifdef BROKEN - /* Handling of actionless object followed by objectless action */ - if (preserve.type1 == OBJECT && preserve.type2 == NO_WORD_TYPE && command.id2 == 0) - command.obj = preserve.obj; -#endif - - ++game.turns; + ++game.turns; if (closecheck()) { if (game.closed) @@ -1113,6 +1118,7 @@ Lclearobj: command.word[0].id = DEPRESSION; } if (game.loc == LOC_COBBLE || + game.loc == LOC_DEBRIS || game.loc == LOC_AWKWARD || game.loc == LOC_BIRD || @@ -1122,8 +1128,8 @@ Lclearobj: } if ((command.word[0].id == WATER || command.word[0].id == OIL) && (command.word[1].id == PLANT || command.word[1].id == DOOR)) { if (AT(command.word[1].id)) { - command.word[1] = command.word[0]; - command.word[0].id = POUR; + command.word[1] = command.word[0]; + command.word[0].id = POUR; command.word[0].type = ACTION; strncpy(command.word[0].raw, "pour", LINESIZE - 1); } @@ -1133,12 +1139,12 @@ Lclearobj: command.word[0].type = ACTION; } - /* From OV to VO form */ - if (command.word[0].type==OBJECT && command.word[1].type==ACTION) { - command_word_t stage = command.word[0]; - command.word[0] = command.word[1]; - command.word[1] = stage; - } + /* From OV to VO form */ + if (command.word[0].type == OBJECT && command.word[1].type == ACTION) { + command_word_t stage = command.word[0]; + command.word[0] = command.word[1]; + command.word[1] = stage; + } } Lookup: @@ -1165,17 +1171,20 @@ Lookup: command.obj = command.word[0].id; break; case ACTION: - if(command.word[1].type == NUMERIC) + if (command.word[1].type == NUMERIC) command.part = transitive; else command.part = intransitive; command.verb = command.word[0].id; break; case NUMERIC: // LCOV_EXCL_LINE + if (!settings.oldstyle) { + sspeak(DONT_KNOW, command.word[0].raw); + goto Lclearobj; + } default: // LCOV_EXCL_LINE BUG(VOCABULARY_TYPE_N_OVER_1000_NOT_BETWEEN_0_AND_3); // LCOV_EXCL_LINE } - switch (action(command)) { case GO_TERMINATE: return true; @@ -1184,13 +1193,17 @@ Lookup: return true; case GO_TOP: continue; /* back to top of main interpreter loop */ + case GO_CLEAROBJ: + goto Lclearobj; + case GO_CHECKHINT: + goto Lcheckhint; case GO_WORD2: #ifdef GDEBUG - printf("Word shift\n"); + printf("Word shift\n"); #endif /* GDEBUG */ /* Get second word for analysis. */ - command.word[0] = command.word[1]; - command.word[1] = empty_command_word; + command.word[0] = command.word[1]; + command.word[1] = empty_command_word; goto Lookup; case GO_UNKNOWN: /* Random intransitive verbs come here. Clear obj just in case @@ -1198,10 +1211,7 @@ Lookup: command.word[0].raw[0] = toupper(command.word[0].raw[0]); sspeak(DO_WHAT, command.word[0].raw); command.obj = 0; - // Fallthrough - case GO_CHECKHINT: // Fallthrough - case GO_CLEAROBJ: - goto Lclearobj; + goto Lcheckhint; case GO_DWARFWAKE: /* Oh dear, he's disturbed the dwarves. */ rspeak(DWARVES_AWAKEN);