Mercurial > hg > early-roguelike
view arogue5/fight.c @ 285:17005af49963
Fix some potential problems detected by clang.
Most of these are unnecessary comparisons and functions returning the
wrong types.
author | John "Elwin" Edwards |
---|---|
date | Sat, 23 Sep 2017 09:47:00 -0400 |
parents | 0990adf580ee |
children |
line wrap: on
line source
/* * All the fighting gets done here * * Advanced Rogue * Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka and AT&T * All rights reserved. * * Based on "Rogue: Exploring the Dungeons of Doom" * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman * All rights reserved. * * See the file LICENSE.TXT for full copyright and licensing information. */ #include "curses.h" #include <stdlib.h> #include <ctype.h> #include <string.h> #include "rogue.h" bool roll_em(struct thing *att_er, struct thing *def_er, struct object *weap, bool hurl, struct object *cur_weapon, bool back_stab); void hit(struct object *weapon, struct thing *tp, const char *er, const char *ee, bool back_stab); void miss(struct object *weapon, struct thing *tp, const char *er, const char *ee); int dext_plus(int dexterity); int str_plus(short str); int add_dam(short str); int hung_dam(void); void thunk(struct object *weap, struct thing *tp, const char *mname); void m_thunk(struct object *weap, struct thing *tp, const char *mname); void bounce(struct object *weap, struct thing *tp, const char *mname); void m_bounce(struct object *weap, struct thing *tp, const char *mname); struct object *wield_weap(struct object *thrown, struct thing *mp); void explode(struct thing *tp); #define CONF_DAMAGE -1 #define PARAL_DAMAGE -2 #define DEST_DAMAGE -3 static const struct matrix att_mat[5] = { /* Base Max_lvl, Factor, Offset, Range */ { 10, 25, 2, 1, 2 }, { 9, 18, 2, 1, 5 }, { 10, 19, 2, 1, 3 }, { 10, 21, 2, 1, 4 }, { 7, 25, 1, 0, 2 } }; /* * fight: * The player attacks the monster. */ bool fight(coord *mp, struct object *weap, bool thrown) { register struct thing *tp; register struct linked_list *item; register bool did_hit = TRUE; bool back_stab = FALSE; /* * Find the monster we want to fight */ if ((item = find_mons(mp->y, mp->x)) == NULL) { return(FALSE); /* must have killed him already */ } tp = THINGPTR(item); /* * Since we are fighting, things are not quiet so no healing takes * place. */ player.t_quiet = 0; tp->t_quiet = 0; /* * if its in the wall, we can't hit it */ if (on(*tp, ISINWALL) && off(player, CANINWALL)) return(FALSE); /* * Let him know it was really a mimic (if it was one). */ if (on(*tp, ISDISGUISE) && (tp->t_type != tp->t_disguise) && off(player, ISBLIND)) { msg("Wait! That's a %s!", monsters[tp->t_index].m_name); turn_off(*tp, ISDISGUISE); did_hit = thrown; } if (on(*tp, CANSURPRISE) && off(player, ISBLIND) && !ISWEARING(R_ALERT)) { msg("Wait! There's a %s!", monsters[tp->t_index].m_name); turn_off(*tp, CANSURPRISE); did_hit = thrown; } /* * if he's a thief and the creature is asleep then he gets a chance * for a backstab */ if (player.t_ctype == C_THIEF && (!on(*tp, ISRUN) || on(*tp, ISHELD) || tp->t_no_move > 0)&& !on(*tp, NOSTAB)) back_stab = TRUE; runto(tp, &hero); if (did_hit) { register const char *mname; did_hit = FALSE; mname = (on(player, ISBLIND)) ? "it" : monsters[tp->t_index].m_name; if (!can_blink(tp) && ( ((weap != NULL) && (weap->o_type == RELIC)) || ((off(*tp, MAGICHIT) || ((weap != NULL) && (weap->o_hplus > 0 || weap->o_dplus > 0)) ) && (off(*tp, BMAGICHIT) || ((weap != NULL) && (weap->o_hplus > 1 || weap->o_dplus > 1)) ) && (off(*tp, CMAGICHIT) || ((weap != NULL) && (weap->o_hplus > 2 || weap->o_dplus > 2)) ) ) ) && roll_em(&player, tp, weap, thrown, cur_weapon, back_stab)) { did_hit = TRUE; if (on(*tp, NOMETAL) && weap != NULL && weap->o_type != RELIC && weap->o_flags & ISMETAL) { sprintf(outstring,"Your %s passes right through the %s!", weaps[weap->o_which].w_name, mname); msg(outstring); } else if (thrown) { tp->t_wasshot = TRUE; thunk(weap, tp, mname); } else hit(weap, tp, NULL, mname, back_stab); /* If the player hit a rust monster, he better have a + weapon */ if (on(*tp, CANRUST) && !thrown && (weap != NULL) && weap->o_type != RELIC && (weap->o_flags & ISMETAL) && !(weap->o_flags & ISPROT) && (weap->o_hplus < 1) && (weap->o_dplus < 1)) { if (rnd(100) < 50) weap->o_hplus--; else weap->o_dplus--; msg(terse ? "Your %s weakens!" : "Your %s appears to be weaker now!", weaps[weap->o_which].w_name); } /* If the player hit something that shrieks, wake the dungeon */ if (on(*tp, CANSHRIEK)) { turn_off(*tp, CANSHRIEK); msg("The %s emits a piercing shriek.", mname); aggravate(); } /* If the player hit something that can surprise, it can't now */ if (on(*tp, CANSURPRISE)) turn_off(*tp, CANSURPRISE); /* * Can the player confuse? */ if (on(player, CANHUH) && !thrown) { msg("Your hands stop glowing red"); msg("The %s appears confused.", mname); turn_on(*tp, ISHUH); turn_off(player, CANHUH); } /* * does the creature explode when hit? */ if (on(*tp, CANEXPLODE)) explode(tp); /* * Merchants just disappear if hit */ if (on(*tp, CANSELL)) { msg("The %s disappears with his wares in a flash.",mname); killed(item, FALSE, FALSE); } else if (tp->t_stats.s_hpt <= 0) killed(item, TRUE, TRUE); /* If the monster is fairly intelligent and about to die, it * may turn tail and run. */ else if ((tp->t_stats.s_hpt < max(10, tp->maxstats.s_hpt/10)) && (rnd(25) < tp->t_stats.s_intel)) { turn_on(*tp, ISFLEE); /* If monster was suffocating, stop it */ if (on(*tp, DIDSUFFOCATE)) { turn_off(*tp, DIDSUFFOCATE); extinguish(suffocate); } /* If monster held us, stop it */ if (on(*tp, DIDHOLD) && (--hold_count == 0)) turn_off(player, ISHELD); turn_off(*tp, DIDHOLD); } } else { if (thrown) bounce(weap, tp, mname); else miss(weap, tp, NULL, mname); } } count = 0; return did_hit; } /* * attack: * The monster attacks the player */ bool attack(struct thing *mp, struct object *weapon, bool thrown) { register const char *mname; register bool did_hit = FALSE; register struct object *wielded; /* The wielded weapon */ /* * Since this is an attack, stop running and any healing that was * going on at the time. */ running = FALSE; player.t_quiet = 0; mp->t_quiet = 0; if (on(*mp, ISDISGUISE) && off(player, ISBLIND)) turn_off(*mp, ISDISGUISE); mname = on(player, ISBLIND) ? "it" : monsters[mp->t_index].m_name; /* * Try to find a weapon to wield. Wield_weap will return a * projector if weapon is a projectile (eg. bow for arrow). * If weapon is NULL, it will try to find a suitable weapon. */ wielded = wield_weap(weapon, mp); if (weapon == NULL) weapon = wielded; if (roll_em(mp, &player, weapon, thrown, wielded, FALSE)) { did_hit = TRUE; if (thrown) m_thunk(weapon, mp, mname); else hit(weapon, mp, mname, NULL, FALSE); if (pstats.s_hpt <= 0) death(mp->t_index); /* Bye bye life ... */ /* * suprising monsters appear after they shoot at you */ if (thrown) { if (on(*mp, CANSURPRISE)) turn_off(*mp, CANSURPRISE); } if (!thrown) { /* * If a vampire hits, it may take half your hit points */ if (on(*mp, CANSUCK) && !save(VS_MAGIC, &player, 0)) { if (pstats.s_hpt == 1) death(mp->t_index); else { pstats.s_hpt /= 2; msg("You feel your life force being drawn from you."); } } /* * Stinking monsters make player weaker (to hit) */ if (on(*mp, CANSTINK)) { turn_off(*mp, CANSTINK); if (!save(VS_POISON, &player, 0)) { msg("The stench of the %s sickens you.", mname); if (on(player, HASSTINK)) lengthen(unstink, STINKTIME); else { turn_on(player, HASSTINK); fuse(unstink, 0, STINKTIME, AFTER); } } } /* * Chilling monster reduces strength each time */ if (on(*mp, CANCHILL)) { if (!ISWEARING(R_SUSABILITY) && !save(VS_POISON, &player, 0)) { msg("You cringe at the %s's chilling touch.", mname); chg_str(-1); if (lost_str++ == 0) fuse(res_strength, 0, CHILLTIME, AFTER); else lengthen(res_strength, CHILLTIME); } } /* * itching monsters reduce dexterity (temporarily) */ if (on(*mp, CANITCH) && !save(VS_POISON, &player, 0)) { msg("The claws of the %s scratch you", mname); if(ISWEARING(R_SUSABILITY)) { msg("The scratch has no effect"); } else { turn_on(player, HASITCH); add_dexterity(TRUE); lost_dext++; fuse(un_itch, 0, roll(HEALTIME,SICKTIME), AFTER); } } /* * If a hugging monster hits, it may SQUEEEEEEEZE */ if (on(*mp, CANHUG)) { if (roll(1,20) >= 18 || roll(1,20) >= 18) { msg("The %s squeezes you against itself.", mname); if ((pstats.s_hpt -= roll(2,8)) <= 0) death(mp->t_index); } } /* * If a disease-carrying monster hits, there is a chance the * player will catch the disease */ if (on(*mp, CANDISEASE) && (rnd(pstats.s_const) < mp->t_stats.s_lvl) && off(player, HASDISEASE)) { if (ISWEARING(R_HEALTH)) msg("The wound heals quickly."); else { turn_on(player, HASDISEASE); fuse(cure_disease, 0, roll(HEALTIME,SICKTIME), AFTER); msg(terse ? "You have been diseased." : "You have contracted a disease!"); } } /* * If a rust monster hits, you lose armor */ if (on(*mp, CANRUST)) { if (cur_armor != NULL && cur_armor->o_which != LEATHER && cur_armor->o_which != STUDDED_LEATHER && cur_armor->o_which != PADDED_ARMOR && !(cur_armor->o_flags & ISPROT) && cur_armor->o_ac < pstats.s_arm+1 ) { msg(terse ? "Your armor weakens" : "Your armor appears to be weaker now. Oh my!"); cur_armor->o_ac++; } if (cur_misc[WEAR_BRACERS] != NULL && cur_misc[WEAR_BRACERS]->o_ac > 0 && !(cur_misc[WEAR_BRACERS]->o_flags & ISPROT)) { cur_misc[WEAR_BRACERS]->o_ac--; if (cur_misc[WEAR_BRACERS]->o_ac == 0) { register struct linked_list *item; for (item=pack; item!=NULL; item=next(item)) { if (OBJPTR(item) == cur_misc[WEAR_BRACERS]) { detach(pack, item); o_discard(item); break; } } msg ("Your bracers crumble and fall off!"); cur_misc[WEAR_BRACERS] = NULL; inpack--; } else { msg("Your bracers weaken!"); } } } /* * If can dissolve and hero has leather type armor */ if (on(*mp, CANDISSOLVE) && cur_armor != NULL && (cur_armor->o_which == LEATHER || cur_armor->o_which == STUDDED_LEATHER || cur_armor->o_which == PADDED_ARMOR) && !(cur_armor->o_flags & ISPROT) && cur_armor->o_ac < pstats.s_arm+1) { msg(terse ? "Your armor dissolves" : "Your armor appears to dissolve. Oh my!"); cur_armor->o_ac++; } /* If a surprising monster hit you, you can see it now */ if (on(*mp, CANSURPRISE)) turn_off(*mp, CANSURPRISE); /* * If an infesting monster hits you, you get a parasite or rot */ if (on(*mp, CANINFEST) && rnd(pstats.s_const) < mp->t_stats.s_lvl) { if (ISWEARING(R_HEALTH)) msg("The wound quickly heals."); else { turn_off(*mp, CANINFEST); msg(terse ? "You have been infested." : "You have contracted a parasitic infestation!"); infest_dam++; turn_on(player, HASINFEST); } } /* * Ants have poisonous bites */ if (on(*mp, CANPOISON) && !save(VS_POISON, &player, 0)) { if (ISWEARING(R_SUSABILITY)) msg(terse ? "Sting has no effect" : "A sting momentarily weakens you"); else { chg_str(-1); msg(terse ? "A sting has weakened you" : "You feel a sting in your arm and now feel weaker"); } } /* * does it take wisdom away? */ if (on(*mp, TAKEWISDOM) && !save(VS_MAGIC, &player, 0) && !ISWEARING(R_SUSABILITY)) { add_wisdom(TRUE); } /* * does it take intelligence away? */ if (on(*mp, TAKEINTEL) && !save(VS_MAGIC, &player, 0) && !ISWEARING(R_SUSABILITY)) { add_intelligence(TRUE); } /* * Cause fear by touching */ if (on(*mp, TOUCHFEAR)) { turn_off(*mp, TOUCHFEAR); if (!ISWEARING(R_HEROISM) && !save(VS_WAND, &player, 0) && !(on(player, ISFLEE) && (player.t_dest == &mp->t_pos))) { turn_on(player, ISFLEE); player.t_dest = &mp->t_pos; msg("The %s's touch terrifies you.", mname); } } /* * make the hero dance (as in otto's irresistable dance) */ if (on(*mp, CANDANCE) && !on(player, ISDANCE) && !save(VS_MAGIC, &player, -4)) { turn_off(*mp, CANDANCE); turn_on(player, ISDANCE); msg("You begin to dance uncontrollably!"); fuse(undance, 0, roll(2,4), AFTER); } /* * Suffocating our hero */ if (on(*mp, CANSUFFOCATE) && (rnd(100) < 15) && (find_slot(suffocate) == FALSE)) { turn_on(*mp, DIDSUFFOCATE); msg("The %s is beginning to suffocate you.", mname); fuse(suffocate, 0, roll(4,2), AFTER); } /* * Turning to stone */ if (on(*mp, TOUCHSTONE)) { turn_off(*mp, TOUCHSTONE); if (on(player, CANINWALL)) msg("The %s's touch has no effect.", mname); else { if (!save(VS_PETRIFICATION, &player, 0) && rnd(100) < 15) { msg("Your body begins to solidify."); msg("You are turned to stone !!! --More--"); wait_for(cw,' '); death(D_PETRIFY); } else { msg("The %s's touch stiffens your limbs.", mname); no_command += STONETIME; } } } /* * Wraiths might drain energy levels */ if ((on(*mp, CANDRAIN) || on(*mp, DOUBLEDRAIN)) && rnd(100) < 15) { lower_level(mp->t_index); if (on(*mp, DOUBLEDRAIN)) lower_level(mp->t_index); turn_on(*mp, DIDDRAIN); } /* * Violet fungi stops the poor guy from moving */ if (on(*mp, CANHOLD) && off(*mp, DIDHOLD)) { turn_on(player, ISHELD); turn_on(*mp, DIDHOLD); hold_count++; } /* * Sucker will suck blood and run */ if (on(*mp, CANDRAW)) { turn_off(*mp, CANDRAW); turn_on(*mp, ISFLEE); msg("The %s sates itself with your blood.", mname); if ((pstats.s_hpt -= 12) <= 0) death(mp->t_index); } /* * Bad smell will force a reduction in strength */ if (on(*mp, CANSMELL)) { turn_off(*mp, CANSMELL); if (save(VS_MAGIC, &player, 0) || ISWEARING(R_SUSABILITY)) msg("You smell an unpleasant odor."); else { int odor_str = -(rnd(6)+1); msg("You are overcome by a foul odor."); if (lost_str == 0) { chg_str(odor_str); fuse(res_strength, 0, SMELLTIME, AFTER); lost_str -= odor_str; } else lengthen(res_strength, SMELLTIME); } } /* * Paralyzation */ if (on(*mp, CANPARALYZE)) { turn_off(*mp, CANPARALYZE); if (!save(VS_PARALYZATION, &player, 0)) { if (on(player, CANINWALL)) msg("The %s's touch has no effect.", mname); else { msg("The %s's touch paralyzes you.", mname); no_command += FREEZETIME; } } } /* * Painful wounds make you faint */ if (on(*mp, CANPAIN)) { turn_off(*mp, CANPAIN); if (!ISWEARING(R_ALERT) && !save(VS_POISON, &player, 0)) { msg("You faint from the painful wound"); no_command += PAINTIME; } } /* * The monsters touch slows the hero down */ if (on(*mp, CANSLOW)) { turn_off(*mp, CANSLOW); if (!save(VS_PARALYZATION, &player, 0)) add_slow(); } /* * Rotting */ if (on(*mp, CANROT)) { if (!ISWEARING(R_HEALTH) && !save(VS_POISON, &player, 0) && off(player, DOROT)) { turn_on(player, DOROT); msg("You feel your skin starting to rot away!"); } } if (on(*mp, STEALGOLD)) { /* * steal some gold */ register long lastpurse; register struct linked_list *item; register struct object *obj; lastpurse = purse; purse -= GOLDCALC + GOLDCALC; if (!save(VS_MAGIC, &player, mp->t_stats.s_lvl/10)) { if (on(*mp, ISUNIQUE)) purse -= GOLDCALC + GOLDCALC + GOLDCALC + GOLDCALC; purse -= GOLDCALC + GOLDCALC + GOLDCALC + GOLDCALC; } if (purse < 0) purse = 0; if (purse != lastpurse) { msg("Your purse feels lighter"); /* Give the gold to the thief */ for (item=mp->t_pack; item != NULL; item=next(item)) { obj = OBJPTR(item); if (obj->o_type == GOLD) { obj->o_count += lastpurse - purse; break; } } /* Did we do it? */ if (item == NULL) { /* Then make some */ item = new_item(sizeof *obj); obj = OBJPTR(item); obj->o_type = GOLD; obj->o_count = lastpurse - purse; obj->o_hplus = obj->o_dplus = 0; strcpy(obj->o_damage,"0d0"); strcpy(obj->o_hurldmg,"0d0"); obj->o_ac = 11; obj->contents = NULL; obj->o_group = 0; obj->o_flags = 0; obj->o_mark[0] = '\0'; obj->o_pos = mp->t_pos; attach(mp->t_pack, item); } } turn_on(*mp, ISFLEE); turn_on(*mp, ISINVIS); } if (on(*mp, STEALMAGIC)) { register struct linked_list *list, *steal; register struct object *obj; register int nobj; /* * steal a magic item, look through the pack * and pick out one we like. */ steal = NULL; for (nobj = 0, list = pack; list != NULL; list = next(list)) { obj = OBJPTR(list); if (!is_current(obj) && is_magic(obj) && rnd(++nobj) == 0) steal = list; } if (steal != NULL) { register struct object *obj; struct linked_list *item; obj = OBJPTR(steal); if (on(*mp, ISUNIQUE)) monsters[mp->t_index].m_normal = TRUE; item = find_mons(mp->t_pos.y, mp->t_pos.x); killed(item, FALSE, FALSE); if (obj->o_count > 1 && obj->o_group == 0) { register int oc; oc = --(obj->o_count); obj->o_count = 1; sprintf(outstring,"The %s stole %s!", mname, inv_name(obj, TRUE)); msg(outstring); obj->o_count = oc; } else { sprintf(outstring,"The %s stole %s!", mname, inv_name(obj, TRUE)); msg(outstring); detach(pack, steal); /* If this is a relic, clear its holding field */ if (obj->o_type == RELIC) cur_relic[obj->o_which] = 0; o_discard(steal); inpack--; } updpack(FALSE); } } } } else { /* If the thing was trying to surprise, no good */ if (on(*mp, CANSURPRISE)) turn_off(*mp, CANSURPRISE); else if (thrown) m_bounce(weapon, mp, mname); else miss(weapon, mp, mname, NULL); } if (fight_flush) md_flushinp(); count = 0; status(FALSE); return(did_hit); } /* * swing: * returns true if the swing hits */ bool swing(short class, int at_lvl, int op_arm, int wplus) { register int res = rnd(20)+1; register int need; need = att_mat[class].base - att_mat[class].factor * ((min(at_lvl, att_mat[class].max_lvl) - att_mat[class].offset)/att_mat[class].range) + (10 - op_arm); if (need > 20 && need <= 25) need = 20; return (res+wplus >= need); } /* * roll_em: * Roll several attacks */ bool roll_em(struct thing *att_er, struct thing *def_er, struct object *weap, bool hurl, struct object *cur_weapon, bool back_stab) { register struct stats *att, *def; register char *cp = NULL; register int ndice, nsides, nplus, def_arm; bool did_hit = FALSE; int prop_hplus, prop_dplus; int vampiric_damage; /* Get statistics */ att = &att_er->t_stats; def = &def_er->t_stats; prop_hplus = prop_dplus = 0; if (weap == NULL) cp = att->s_dmg; else if (hurl) { if ((weap->o_flags&ISMISL) && cur_weapon != NULL && cur_weapon->o_which == weap->o_launch) { cp = weap->o_hurldmg; prop_hplus = cur_weapon->o_hplus; prop_dplus = cur_weapon->o_dplus; } else cp = (weap->o_flags&ISMISL ? weap->o_damage : weap->o_hurldmg); } else { if (weap->o_type == RELIC) { switch (weap->o_which) { case MUSTY_DAGGER: cp = "1d4+1/1d4+1"; when YEENOGHU_FLAIL: cp = "3d6/paralyze/confuse"; when HRUGGEK_MSTAR: cp = "3d10"; when MING_STAFF: cp = "1d8"; when ASMO_ROD: cp = "2d8+1"; when ORCUS_WAND: cp = "destroy"; } } else cp = weap->o_damage; /* * Drain a staff of striking */ if (weap->o_type == STICK && weap->o_which == WS_HIT && weap->o_charges == 0) { strcpy(weap->o_damage,"0d0"); weap->o_hplus = weap->o_dplus = 0; } } for (;;) { int damage; int hplus = prop_hplus; int dplus = prop_dplus; if (weap != NULL && weap->o_type == RELIC) { switch (weap->o_which) { case MUSTY_DAGGER: if (att != &pstats || /* Not player or good stats */ (str_compute() > 15 && dex_compute() > 15)) { hplus += 6; dplus += 6; /* Give an additional strength and dex bonus */ if (att == &pstats) { hplus += str_plus(str_compute()) + dext_plus(dex_compute()); dplus += dext_plus(dex_compute()) + add_dam(str_compute()); } else { hplus += str_plus(att->s_str) + dext_plus(att->s_dext); dplus += dext_plus(att->s_dext) + add_dam(att->s_str); } } else { hplus -= 3; dplus -= 3; } when YEENOGHU_FLAIL: case HRUGGEK_MSTAR: hplus += 3; dplus += 3; when MING_STAFF: hplus += 2; dplus += 2; } } else if (weap != NULL) { hplus += weap->o_hplus; dplus += weap->o_dplus; } /* Is attacker weak? */ if (on(*att_er, HASSTINK)) hplus -= 2; if (att == &pstats) /* Is the attacker the player? */ { hplus += hitweight(); /* adjust for encumberence */ dplus += hung_dam(); /* adjust damage for hungry player */ dplus += ring_value(R_ADDDAM); } if (back_stab || (weap && att != &pstats && on(*att_er, CANBSTAB))) hplus += 4; /* add in pluses for backstabbing */ /* Get the damage */ while (isspace(*cp)) cp++; if (!isdigit(*cp)) { if (strncmp(cp, "confuse", 7) == 0) ndice = CONF_DAMAGE; else if (strncmp(cp, "paralyze", 8) == 0) ndice = PARAL_DAMAGE; else if (strncmp(cp, "destroy", 7) == 0) ndice = DEST_DAMAGE;