diff arogue7/fight.c @ 125:adfa37e67084

Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
author John "Elwin" Edwards
date Fri, 08 May 2015 15:24:40 -0400
parents
children b786053d2f37
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/arogue7/fight.c	Fri May 08 15:24:40 2015 -0400
@@ -0,0 +1,1495 @@
+/*
+ * fight.c  -  All the fighting gets done here
+ *
+ * Advanced Rogue
+ * Copyright (C) 1984, 1985, 1986 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.
+ */
+
+/*
+ * All the fighting gets done here
+ *
+ */
+
+#include "curses.h"
+#include <ctype.h>
+#include "rogue.h"
+
+int hit(struct object *weapon, bool see_att, bool see_def, char *er, char *ee, bool back_stab, bool thrown, bool short_msg);
+#define CONF_DAMAGE	-1
+#define PARAL_DAMAGE	-2
+#define DEST_DAMAGE	-3
+#define DRAIN_DAMAGE	-4
+
+/*
+ * returns true if player has a any chance to hit the monster
+ */
+player_can_hit(tp, weap)
+register struct thing *tp;
+register struct object *weap;
+{
+    if (off(*tp, CMAGICHIT) && off(*tp, BMAGICHIT) && off(*tp, MAGICHIT))
+	return(TRUE);
+    if (weap && weap->o_type == RELIC)
+	return(TRUE);
+    if (on(*tp, CMAGICHIT) && weap && (weap->o_hplus>2 || weap->o_dplus>2))
+	return(TRUE);
+    if (on(*tp, BMAGICHIT) && weap && (weap->o_hplus>1 || weap->o_dplus>1))
+	return(TRUE);
+    if (on(*tp,  MAGICHIT) && weap && (weap->o_hplus>0 || weap->o_dplus>0))
+	return(TRUE);
+    if (player.t_ctype == C_MONK) {
+	if (on(*tp, CMAGICHIT) && pstats.s_lvl > 15)
+	    return(TRUE);
+	if (on(*tp, BMAGICHIT) && pstats.s_lvl > 10)
+	    return(TRUE);
+	if (on(*tp,  MAGICHIT) && pstats.s_lvl > 5)
+	    return(TRUE);
+    }
+    return(FALSE);
+}
+
+/*
+ * fight:
+ *	The player attacks the monster.
+ */
+
+fight(mp, weap, thrown)
+register coord *mp;
+struct object *weap;
+bool thrown;
+{
+    register struct thing *tp;
+    register struct linked_list *item;
+    register bool did_hit = TRUE;
+    bool see_def, back_stab = FALSE;
+    register char *mname;
+
+    /*
+     * 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.  The -1 also tells us that we are in a fight.
+     */
+    player.t_quiet = -1;
+    tp->t_quiet = -1;
+
+    see_def = ((off(*tp, ISINVIS)     || on(player, CANSEE)) &&
+	       (off(*tp, ISSHADOW)    || on(player, CANSEE)) &&
+	       (!thrown || cansee(unc(tp->t_pos))));
+
+    mname = see_def ? monster_name(tp) : "something";
+
+    /*
+     * if its in the wall, we can't hit it
+     */
+    if (on(*tp, ISINWALL) && off(player, CANINWALL))
+	return(FALSE);
+
+    if (on(*tp, ISSTONE)) {
+	killed(item, FALSE, FALSE, FALSE);
+	if (see_def) 
+	    msg("%s shatters into a million pieces!", prname(mname, TRUE));
+	count = 0;
+	return (TRUE);
+    }
+    /*
+     * 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))
+    {
+	if (see_def) {
+	    msg("Wait! That's a %s!", mname);
+	    turn_off(*tp, ISDISGUISE);
+	}
+	did_hit = thrown;
+    }
+    if (on(*tp, CANSURPRISE) && off(player, ISBLIND) && !ISWEARING(R_ALERT)) {
+	if (see_def) {
+	    msg("Wait! There's a %s!", mname);
+	    turn_off(*tp, CANSURPRISE);
+	}
+	did_hit = thrown;
+    }
+
+    /*
+     * if he's a thief or assassin and the creature is asleep then he gets 
+     * a chance for a backstab
+     */
+    if ((player.t_ctype == C_THIEF || player.t_ctype == C_ASSASIN)	&&
+	!thrown								&&
+	!on(*tp, NOSTAB)						&&
+	!invisible(tp)							&&
+	(!on(*tp, ISRUN) || on(*tp, ISHELD) || tp->t_action == A_FREEZE))
+	    back_stab = TRUE;
+
+    /*
+     * assassins get an assassination chance, if it fails then its normal
+     * damage
+     */
+    if (back_stab && player.t_ctype == C_ASSASIN) {
+	int chance;
+
+	chance = 50 + (pstats.s_lvl - tp->t_stats.s_lvl) * 5;
+	if (cur_weapon && (cur_weapon->o_flags & ISPOISON))
+	    chance += 20;
+	if (roll(1,100) > chance || on(*tp, ISUNIQUE))
+	    back_stab = FALSE;
+    }
+
+    runto(tp, &hero);
+
+    /* Let the monster know that the player has missiles! */
+    if (thrown) tp->t_wasshot = TRUE;
+
+    if (did_hit)
+    {
+
+	did_hit = FALSE;
+	if (!can_blink(tp)		&& 
+	    player_can_hit(tp, weap)	&&
+	    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) {
+		msg("Your %s passes right through %s!",
+		    weaps[weap->o_which].w_name, prname(mname, FALSE));
+	    }
+	    else if (weap != NULL && weap->o_type == MISSILE && on(*tp, CARRYBAMULET)) {
+		    msg("The magic missile has no affect on %s",
+			prname(mname, FALSE));
+	    }
+	    else {
+		hit(thrown ? NULL : weap,
+		    TRUE, see_def,
+		    thrown ? weap_name(weap) : NULL,
+		    mname, back_stab, thrown, terse);
+
+	        /* See if there are any special effects */
+	        if (effect(&player, tp, weap, thrown, TRUE, see_def) != 0)
+		    killed(item, FALSE, FALSE, TRUE);
+    
+	        /* 
+	         * Merchants just disappear if hit 
+	         */
+	        else if (on(*tp, CANSELL)) {
+		    if (see_def)
+		        msg("%s disappears with his wares in a flash.",
+			    prname(mname, FALSE));
+		    killed(item, FALSE, FALSE, FALSE);
+	        }
+    
+	        else if (tp->t_stats.s_hpt <= 0)
+		    killed(item, TRUE, TRUE, TRUE);
+    
+	        else {
+		    /* If the victim was charmed, it now gets a saving throw! */
+		    if (on(*tp, ISCHARMED) && save(VS_MAGIC, tp, 0)) {
+			msg("The eyes of %s turn clear.", prname(mname, FALSE));
+			turn_off(*tp, ISCHARMED);
+		    }
+
+		    dsrpt_monster(tp, FALSE, see_def); /* Disrupt a spell? */
+	        }
+	    }
+	}
+	else {
+	    miss(thrown ? NULL : weap,
+		 TRUE, see_def,
+		 thrown ? weap_name(weap) : NULL,
+		 mname, thrown, terse);
+	}
+    }
+    count = 0;
+    return did_hit;
+}
+
+/*
+ * attack:
+ *	The monster attacks the player
+ */
+
+attack(mp, weapon, thrown)
+register struct thing *mp;
+register struct object *weapon;
+bool thrown;
+{
+    register char *mname;
+    register bool see_att, did_hit = FALSE;
+    register struct object *wielded;	/* The wielded weapon */
+    struct linked_list *get_wield;	/* Linked list header for wielded */
+
+    /*
+     * Since this is an attack, stop running and any healing that was
+     * going on at the time.  The -1 also tells us that we're fighting.
+     */
+    running = FALSE;
+    player.t_quiet = -1;
+    mp->t_quiet = -1;
+
+    if (on(*mp, ISDISGUISE) && off(player, ISBLIND))
+	turn_off(*mp, ISDISGUISE);
+
+    see_att = ((off(*mp, ISINVIS)     || on(player, CANSEE)) &&
+	       (off(*mp, ISSHADOW)    || on(player, CANSEE)) &&
+	       (!thrown || cansee(unc(mp->t_pos))));
+
+    mname = see_att ? monster_name(mp) : "something";
+
+    /*
+     * 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.
+     */
+    get_wield = wield_weap(weapon, mp);
+    if (get_wield) wielded = OBJPTR(get_wield);
+    else wielded = NULL;
+
+    /* If we aren't wielding a weapon, wield what we found (could be NULL) */
+    if (weapon == NULL) weapon = wielded;
+
+    if (roll_em(mp, &player, weapon, thrown, wielded, FALSE)) {
+	int death_type;	/* From one of the effects of getting hit */
+
+	did_hit = TRUE;
+
+	if (weapon != NULL && weapon->o_type == MISSILE && cur_relic[STONEBONES_AMULET]) {
+	    hit(weapon, see_att, TRUE, mname, NULL, FALSE, thrown, terse);
+	    msg("Your amulet seems to absorb the magic missile");
+	}
+	else {
+	    hit(weapon, see_att, TRUE, mname, NULL, FALSE, thrown, terse);
+	    dsrpt_player();	/* see if we disrupted some activity */
+	    if (pstats.s_hpt <= 0)
+		death(mp->t_index);	/* Bye bye life ... */
+	    death_type = effect(mp, &player, weapon, thrown, see_att, TRUE);
+	    if (death_type != 0) death(death_type);
+	}
+
+    }
+    else {
+	/* If the thing was trying to surprise, no good */
+	if (on(*mp, CANSURPRISE)) turn_off(*mp, CANSURPRISE);
+
+	/* If it couldn't surprise, let's tell the player. */
+	else miss(weapon, see_att, TRUE, mname, NULL, thrown, terse);
+    }
+    if (fight_flush) md_flushinp();
+    count = 0;
+    status(FALSE);
+    return(did_hit);
+}
+
+/*
+ * swing:
+ *	returns true if the swing hits
+ */
+
+swing(class, at_lvl, op_arm, wplus)
+short class;
+int at_lvl, op_arm, wplus;
+{
+    register int res = rnd(20)+1;
+    register int need;
+
+    need = char_class[class].base -
+	   char_class[class].factor *
+	   ((min(at_lvl, char_class[class].max_lvl) -
+	    char_class[class].offset)/char_class[class].range) +
+	   (10 - op_arm);
+    if (need > 20 && need <= 25) need = 20;
+
+    return (res+wplus >= need);
+}
+
+/*
+ * roll_em:
+ *	Roll several attacks
+ */
+
+roll_em(att_er, def_er, weap, hurl, cur_weapon, back_stab)
+struct thing *att_er, *def_er;
+struct object *weap;
+bool hurl;
+struct object *cur_weapon;
+bool back_stab;
+{
+    register struct stats *att, *def;
+    register char *cp;
+    register int ndice, nsides, nplus, def_arm;
+    bool did_hit = FALSE;
+    int prop_hplus, prop_dplus;
+    int vampiric_damage;
+    char *strchr();
+
+    /* Get statistics */
+    att = &att_er->t_stats;
+    def = &def_er->t_stats;
+
+    prop_hplus = prop_dplus = 0;
+    if (weap == NULL) {
+	static char dmgbuf[20];
+
+	/*
+	 * monks damage grows with level
+	 */
+	if (att == &pstats && player.t_ctype == C_MONK) {
+	    sprintf(dmgbuf, "%dd4", att->s_lvl/3+1);
+	    cp = dmgbuf;
+	}
+	else
+	    cp = att->s_dmg;
+    }
+    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";
+	    when AXE_AKLAD:		if (hurl) cp = "1d6/drain";
+				        else	  cp = "3d6/drain";
+	}
+    }
+    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 {
+	cp = weap->o_damage;
+	/*
+	 * Drain a staff of striking
+	 */
+	if(weap->o_type==STICK && weap->o_which==WS_HIT && weap->o_charges==0)
+	{
+	    strncpy(weap->o_damage, "1d6", sizeof(weap->o_damage));
+	    weap->o_hplus = weap->o_dplus = 0;
+	}
+    }
+    /*
+     * If defender is wearing a cloak of displacement -- no damage
+     * the first time. (unless its a hurled magic missile or the
+     * attacker is very smart and can see thru the illusion)
+     */
+    if ((weap == NULL || weap->o_type != MISSILE)	&&
+	def == &pstats					&&	
+	off(*att_er, MISSEDDISP)			&&
+	att->s_intel < 22				&&
+	((cur_misc[WEAR_CLOAK]!=NULL && 
+	  cur_misc[WEAR_CLOAK]->o_which==MM_DISP) ||
+	  cur_relic[EMORI_CLOAK])) {
+	turn_on(*att_er, MISSEDDISP);
+	if (cansee(att_er->t_pos.y, att_er->t_pos.x) && !invisible(att_er))
+	    msg("%s looks amazed", prname(monster_name(att_er), TRUE));
+	return (FALSE);
+    }
+    if (on(*def_er, CARRYCLOAK)	&& def != &pstats		&& 
+        (weap == NULL || weap->o_type != MISSILE) && off(*att_er, MISSEDDISP) &&
+	pstats.s_intel < 22) {
+	turn_on(*att_er, MISSEDDISP);
+	msg("You feel amazed");
+	return(FALSE);
+    }
+    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;
+		when AXE_AKLAD:
+		    hplus += 5;
+		    dplus += 5;
+	    }
+	}
+	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;
+	    else if (strncmp(cp, "drain", 5) == 0) ndice = DRAIN_DAMAGE;
+	    else ndice = 0;
+	    nsides = 0;
+	    nplus = 0;
+	}
+	else {
+	    char *oldcp;
+
+	    /* Get the number of damage dice */
+	    ndice = atoi(cp);
+	    if ((cp = strchr(cp, 'd')) == NULL)
+		break;
+
+	    /* Skip the 'd' and get the number of sides per die */
+	    nsides = atoi(++cp);
+
+	    /* Check for an addition -- save old place in case none is found */
+	    oldcp = cp;
+	    if ((cp = strchr(cp, '+')) != NULL) nplus = atoi(++cp);
+	    else {
+		nplus = 0;
+		cp = oldcp;
+	    }
+	}
+
+	if (def == &pstats) { /* Monster attacks player */
+	    if (on(*att_er, NOMETAL))
+		def_arm = ac_compute(TRUE) - dext_prot(dex_compute());
+	    else
+		def_arm = ac_compute(FALSE) - dext_prot(dex_compute());
+	    hplus += str_plus(att->s_str)+dext_plus(att->s_dext);
+	}
+	else if (att == &pstats) {	/* Player attacks monster */
+	    def_arm = def->s_arm - dext_prot(def->s_dext);
+	    if (player.t_ctype == C_MONK) /* no strength bonus for monk */
+	        if (weap == NULL) 
+		    hplus += att->s_lvl/5; /* monks hplus varies with level */
+	    else
+		hplus += str_plus(str_compute())+dext_plus(dex_compute());
+	}
+	else {	/* Monster attacks monster */
+	    def_arm = def->s_arm - dext_prot(def->s_dext);
+	    hplus += str_plus(att->s_str)+dext_plus(att->s_dext);
+	}
+
+	if (swing(att_er->t_ctype, att->s_lvl, def_arm, hplus)) {
+	    register int proll;
+
+	    /* Take care of special effects */
+	    switch (ndice) {
+	      case CONF_DAMAGE:
+		if (def == &pstats) { /* Monster attacks player */
+		    if (!save(VS_MAGIC, &player, 0) && off(player, ISCLEAR)) {
+			msg("You feel disoriented.");
+			if (find_slot(unconfuse))
+			    lengthen(unconfuse, HUHDURATION);
+			else
+			    fuse(unconfuse, 0, HUHDURATION, AFTER);
+			turn_on(player, ISHUH);
+		    }
+		    else msg("You feel dizzy, but it quickly passes.");
+		}
+		/* Player or monster hits monster */
+		else if (!save(VS_MAGIC, def_er, 0) && off(*def_er, ISCLEAR)) { 
+		    if (att == &pstats)
+			msg("The artifact warms with pleasure.");
+		    turn_on(*def_er, ISHUH);
+		}
+		did_hit = TRUE;
+	      when PARAL_DAMAGE:
+		if (def == &pstats) { /* Monster attacks player */
+		    if (!save(VS_MAGIC, &player, 0) && off(player, CANINWALL)) {
+			msg("You stiffen up.");
+			player.t_no_move += movement(&player) * FREEZETIME;
+			player.t_action = A_FREEZE;
+		    }
+		}
+		else if (!save(VS_MAGIC, def_er, 0)) { /* Player hits monster */
+		    if (att == &pstats) msg("The artifact hums happily.");
+		    turn_off(*def_er, ISRUN);
+		    turn_on(*def_er, ISHELD);
+		}
+		did_hit = TRUE;
+	      when DEST_DAMAGE:
+		if (def == &pstats) { /* Monster attacks player */
+		    msg("You feel a tug at your life force.");
+		    if (!save(VS_MAGIC, &player, -4)) {
+			msg("The wand devours your soul.");
+			def->s_hpt = 0;
+		    }
+		}
+		/* Player hits monster */
+		else if (!save(VS_MAGIC, def_er, -4)) {
+		    if (att == &pstats)
+			msg("The artifact draws energy.");
+
+		    /* Give the attacker half the monster's hits */
+		    att->s_hpt += def->s_hpt/2;
+		    if (att->s_hpt > att_er->maxstats.s_hpt)
+			att->s_hpt = att_er->maxstats.s_hpt;
+
+		    /* Kill the monster */
+		    def->s_hpt = 0;
+		}
+		did_hit = TRUE;
+	    when DRAIN_DAMAGE:
+		if (def == &pstats) { /* Monster attacks player */
+		    if (!save(VS_MAGIC, &player, -4)) {
+			lower_level(att_er->t_index);
+		    }
+		}
+		/* Player hits monster */
+		else if (!save(VS_MAGIC, def_er, -4)) {
+		    def->s_hpt -= roll(1, 8);
+		    def->s_lvl--;
+		    if (def->s_lvl <= 0)
+			def->s_hpt = 0; /* he's dead */
+		    if (att == &pstats) 
+			msg("The artifact cackles with laughter");
+		}
+		did_hit = TRUE;
+	      otherwise:
+		/* Heil's ankh always gives maximum damage */
+		if (att == &pstats && cur_relic[HEIL_ANKH])
+		    proll = ndice * nsides;
+		else proll = roll(ndice, nsides);
+
+		if (ndice + nsides > 0 && proll < 1)
+		    debug("Damage for %dd%d came out %d.",
+				ndice, nsides, proll);
+		damage = dplus + proll + nplus;
+		if (att == &pstats) {
+		    /*
+		     * Monks do not get strength bonus on damage.  Instead,
+		     * if they are wielding a weapon, they get at extra
+		     * 1/2 point per level of damage.
+		     */
+		    if(player.t_ctype == C_MONK) {
+			/* Bonus does not apply for hands. */
+			if (weap != NULL) damage += att->s_lvl / 2;
+		    }
+		    else
+			damage += add_dam(str_compute());
+		}
+		else
+		    damage += add_dam(att->s_str);
+
+		/* Check for half damage monsters */
+		if (on(*def_er, HALFDAMAGE)) damage /= 2;
+
+		/* add in multipliers for backstabbing */
+		if (back_stab || 
+		    (weap && att != &pstats && on(*att_er, CANBSTAB))) {
+		    int mult = 2 + (att->s_lvl-1)/4; /* Normal multiplier */
+
+		    if (mult > 5)
+			mult = 5;
+		    if (weap->o_type == RELIC && weap->o_which == MUSTY_DAGGER)
+			mult++;
+		    damage *= mult;
+		}
+		if (att == &pstats) {
+		    if (cur_weapon && (cur_weapon->o_flags & ISPOISON)) {