static int
modify_damage(int dmg, string type, object foe, string loc,
int prot, int resist, int vuln, int ac, object wpn)
{
object env;
if (!objectp(env = environment())) {
return 0;
}
if (lower_case(type) == "fire") {
tell_room(env, "The demon does not seem to be affected by the fire.\n");
heal_self(dmg / 2);
return -dmg;
}
if (is_evil(wpn)) {
return -dmg / 2;
}
if (dmg > 30) {
command("scream ago");
}
if (resist < -10) {
command("cackle");
}
if (prot < -20) {
command("hydr ehv");
}
if (dmg < 10 && random(100) > 25) {
return 0;
}
if (is_good(wpn)) {
tell_object(foe, "Your " + wpn->query_name() + " rips straight " +
"through the demon's skin!\n");
return 2 * dmg;
}
if (is_good(foe)) {
tell_object(foe, "You rip straight through the demon's skin.\n");
return dmg;
}
return 0;
}
/*
* quaff:
* Let the hero drink a potion
*/
int quaff()
{
struct object *obj;
struct linked_list *item, *titem;
struct thing *th;
int wh;
char buf[LINLEN];
bool bless, curse;
/*
* Make certain that it is somethings that we want to drink
*/
if ((item = get_item("quaff", POTION)) == NULL)
return 0;
obj = OBJPTR(item);
if (obj->o_type != POTION) {
msg("That's undrinkable!");
after = FALSE;
return 0;
}
wh = obj->o_which;
bless = o_on(obj, ISBLESS);
curse = o_on(obj, ISCURSED);
del_pack(item); /* get rid of it */
/*
* Calculate the effect it has on the poor guy.
*/
switch(wh) {
case P_CONFUSE:
if (!bless) {
if (pl_on(ISINVINC))
msg("You remain level-headed.");
else {
chg_abil(WIS,-1,TRUE); /* confuse his mind */
if (pl_off(ISHUH)) {
msg("Wait, what's going on here. Huh? What? Who?");
if (pl_on(ISHUH))
lengthen(unconfuse,rnd(8)+HUHDURATION);
else
fuse(unconfuse,TRUE,rnd(8)+HUHDURATION);
player.t_flags |= ISHUH;
}
}
p_know[P_CONFUSE] = TRUE;
}
when P_POISON:
if (!bless) {
if (pl_off(ISINVINC) && !iswearing(R_SUSTSTR) &&
!iswearing(R_SUSAB)) {
chg_abil(CON,-1,TRUE);
chg_abil(STR,-(rnd(3)+1),TRUE);
msg("You feel very sick now.");
}
else
msg("You feel momentarily sick.");
p_know[P_POISON] = TRUE;
}
when P_HEALING:
if (!curse) {
heal_self(4, TRUE);
msg("You begin to feel better.");
if (!iswearing(R_SLOW))
notslow(FALSE);
sight(FALSE);
p_know[P_HEALING] = TRUE;
}
when P_STRENGTH:
if (!curse) {
msg("You feel stronger, now. What bulging muscles!");
chg_abil(STR,1,TRUE);
p_know[P_STRENGTH] = TRUE;
}
when P_MFIND:
/*
* Potion of monster detection - find all monsters
*/
if (mlist != NULL && !curse) {
dispmons();
mpos = 0;
msg("You begin to sense the presence of monsters--More--");
p_know[P_MFIND] = TRUE;
wait_for(cw,' ');
msg(""); /* clear line */
}
else
msg("You have a strange feeling for a moment, then it passes.");
when P_TFIND:
/*
* Potion of magic detection. Show the potions and scrolls
*/
if (lvl_obj != NULL && !curse) {
struct linked_list *mobj;
struct object *tp;
bool show;
show = FALSE;
wclear(hw);
for (mobj = lvl_obj; mobj != NULL; mobj = next(mobj)) {
tp = OBJPTR(mobj);
if (is_magic(tp)) {
show = TRUE;
mvwaddch(hw, tp->o_pos.y, tp->o_pos.x, MAGIC);
}
}
for(titem = mlist; titem != NULL; titem = next(titem)) {
struct linked_list *pitem;
th = THINGPTR(titem);
for(pitem=th->t_pack;pitem!=NULL;pitem=next(pitem)) {
if (is_magic(ldata(pitem))) {
show = TRUE;
mvwaddch(hw,th->t_pos.y, th->t_pos.x, MAGIC);
}
}
}
if (show) {
msg("You begin to sense the presence of magic.");
overlay(hw,cw);
p_know[P_TFIND] = TRUE;
break;
}
}
msg("You have a strange feeling for a moment, then it passes.");
when P_PARALYZE:
if (!bless) {
if (pl_on(ISINVINC))
msg("You feel numb for a moment.");
else {
msg("You can't move.");
player.t_nocmd = HOLDTIME;
}
p_know[P_PARALYZE] = TRUE;
}
when P_SEEINVIS:
if (!curse) {
int invlen = roll(40,20);
msg("This potion tastes like %s juice.", fruit);
if (pl_off(CANSEE)) {
player.t_flags |= CANSEE;
fuse(unsee, TRUE, invlen);
light(&hero);
}
else
lengthen(unsee, invlen);
sight(FALSE);
}
when P_RAISE:
if (!curse) {
msg("You suddenly feel much more skillful.");
p_know[P_RAISE] = TRUE;
chg_abil(DEX,1,TRUE);
chg_abil(WIS,1,TRUE);
chg_abil(CON,1,TRUE);
raise_level();
}
when P_XHEAL:
if (!curse) {
heal_self(8, TRUE);
if (rnd(100) < 50)
chg_abil(CON,1,TRUE);
msg("You begin to feel much better.");
p_know[P_XHEAL] = TRUE;
if (!iswearing(R_SLOW))
notslow(FALSE);
unconfuse();
extinguish(unconfuse);
sight(FALSE);
}
when P_HASTE:
if (!curse) {
add_haste(TRUE);
msg("You feel yourself moving much faster.");
p_know[P_HASTE] = TRUE;
}
when P_INVINC:
if (!curse) {
int time = rnd(400) + 350;
msg("You feel invincible.");
if (player.t_flags & ISINVINC)
lengthen(notinvinc,time);
else
fuse(notinvinc,TRUE,time);
player.t_flags |= ISINVINC;
p_know[P_INVINC] = TRUE;
}
when P_SMART:
if (!curse) {
msg("You feel more perceptive.");
p_know[P_SMART] = TRUE;
chg_abil(WIS,1,TRUE);
}
when P_RESTORE:
if (!curse) {
msg("Hey, this tastes great. You feel warm all over.");
him->s_re = max_stats.s_re;
him->s_ef = max_stats.s_re;
ringabil(); /* add in rings */
updpack(); /* update weight */
p_know[P_RESTORE] = TRUE;
extinguish(rchg_str); /* kill restore in from ulodyte */
}
when P_BLIND:
if (!bless) {
if (pl_on(ISINVINC))
msg("The light dims for a moment.");
else {
chg_abil(WIS,-1,TRUE);
msg("A cloak of darkness falls around you.");
if (pl_off(ISBLIND)) {
player.t_flags |= ISBLIND;
fuse(sight, TRUE, rnd(400) + 450);
light(&hero);
}
}
p_know[P_BLIND] = TRUE;
}
when P_ETH:
if (!curse) {
int ethlen = roll(40,20);
msg("You feel more vaporous.");
if (pl_on(ISETHER))
lengthen(noteth,ethlen);
else
fuse(noteth,TRUE,ethlen);
player.t_flags |= ISETHER;
p_know[P_ETH] = TRUE;
}
when P_NOP:
msg("This potion tastes extremely dull.");
when P_DEX:
if (!curse) {
chg_abil(DEX,1,TRUE); /* increase dexterity */
p_know[P_DEX] = TRUE;
msg("You feel much more agile.");
}
when P_REGEN:
if (!curse) {
int reglen = rnd(450) + 450;
if (pl_on(ISREGEN))
lengthen(notregen, reglen);
else
fuse(notregen, TRUE, reglen);
player.t_flags |= ISREGEN;
msg("You feel yourself improved.");
p_know[P_REGEN] = TRUE;
}
when P_DECREP:
case P_SUPHERO: {
int howmuch = rnd(3) + 1;
if (wh == P_DECREP) {
if (!bless) {
if (iswearing(R_SUSAB) || pl_on(ISINVINC)) {
msg("You feel momentarily woozy.");
howmuch = 0;
}
else {
msg("You feel crippled.");
howmuch = -howmuch;
if (!iswearing(R_SUSTSTR))
chg_abil(STR,howmuch,TRUE);
}
}
else
howmuch = 0;
}
else { /* potion of superhero */
if (curse)
howmuch = 0;
msg("You feel invigorated.");
chg_abil(STR,howmuch,TRUE);
}
chg_abil(CON,howmuch,TRUE);
chg_abil(DEX,howmuch,TRUE);
chg_abil(WIS,howmuch,TRUE); /* change abilities */
p_know[wh] = TRUE;
}
otherwise:
msg("What an odd tasting potion!");
return 0;
}
nochange = FALSE;
if (p_know[wh] && p_guess[wh]) {
free(p_guess[wh]);
p_guess[wh] = NULL;
}
else if(!p_know[wh] && p_guess[wh] == NULL) {
strcpy(buf, p_colors[wh]);
msg(callit);
if (get_str(buf, cw) == NORM) {
p_guess[wh] = new(strlen(buf) + 1);
strcpy(p_guess[wh], buf);
}
/**
* Apply side effects from a spell attack to the player
*
* \param spell is the attack type
* \param dam is the amount of damage caused by the attack
* \param m_idx is the attacking monster
* \param rlev is its level
* \param seen is whether @ can see it
*/
static void do_side_effects(int spell, int dam, int m_idx, bool seen)
{
monster_type *m_ptr = cave_monster(cave, m_idx);
monster_race *r_ptr = &r_info[m_ptr->r_idx];
const struct spell_effect *re_ptr;
const struct mon_spell *rs_ptr = &mon_spell_table[spell];
int i, choice[99], dur = 0, j = 0, count = 0;
s32b d = 0;
bool sustain = FALSE, perma = FALSE, chosen[RSE_MAX] = { 0 };
/* Extract the monster level */
int rlev = ((r_ptr->level >= 1) ? r_ptr->level : 1);
/* First we note all the effects we'll be doing. */
for (re_ptr = spell_effect_table; re_ptr->index < RSE_MAX; re_ptr++) {
if ((re_ptr->method && (re_ptr->method == rs_ptr->index)) ||
(re_ptr->gf && (re_ptr->gf == rs_ptr->gf))) {
/* If we have a choice of effects, we create a cum freq table */
if (re_ptr->chance) {
for (i = j; i < (j + re_ptr->chance); i++)
choice[i] = re_ptr->index;
j = i;
}
else
chosen[re_ptr->index] = TRUE;
}
}
/* If we have built a cum freq table, choose an effect from it */
if (j)
chosen[choice[randint0(j)]] = TRUE;
/* Now we cycle through again to activate the chosen effects */
for (re_ptr = spell_effect_table; re_ptr->index < RSE_MAX; re_ptr++) {
if (chosen[re_ptr->index]) {
/*
* Check for resistance - there are three possibilities:
* 1. Immunity to the attack type if side_immune is TRUE
* 2. Resistance to the attack type if it affords no immunity
* 3. Resistance to the specific side-effect
*
* TODO - add interesting messages to the RSE_ and GF_ tables
* to replace the generic ones below. (See #1376)
*/
if (re_ptr->res_flag)
update_smart_learn(m_ptr, p_ptr, re_ptr->res_flag);
if ((rs_ptr->gf && check_side_immune(rs_ptr->gf)) ||
check_state(p_ptr, re_ptr->res_flag, p_ptr->state.flags)) {
msg("You resist the effect!");
continue;
}
/* Allow saving throw if available */
if (re_ptr->save &&
randint0(100) < p_ptr->state.skills[SKILL_SAVE]) {
msg("You avoid the effect!");
continue;
}
/* Implement the effect */
if (re_ptr->timed) {
/* Calculate base duration (m_bonus is not used) */
dur = randcalc(re_ptr->base, 0, RANDOMISE);
/* Calculate the damage-dependent duration (m_bonus is
* used as a cap) */
dur += damcalc(re_ptr->dam.dice, re_ptr->dam.sides *
dam / 100, RANDOMISE);
if (re_ptr->dam.m_bonus && (dur > re_ptr->dam.m_bonus))
dur = re_ptr->dam.m_bonus;
/* Apply the effect - we have already checked for resistance */
(void)player_inc_timed(p_ptr, re_ptr->flag, dur, TRUE, FALSE);
} else {
switch (re_ptr->flag) {
case S_INV_DAM:
if (dam > 0)
inven_damage(p_ptr, re_ptr->gf, MIN(dam *
randcalc(re_ptr->dam, 0, RANDOMISE), 300));
break;
case S_TELEPORT: /* m_bonus is used as a clev filter */
if (!re_ptr->dam.m_bonus ||
randint1(re_ptr->dam.m_bonus) > p_ptr->lev)
teleport_player(randcalc(re_ptr->base, 0,
RANDOMISE));
break;
case S_TELE_TO:
teleport_player_to(m_ptr->fy, m_ptr->fx);
break;
case S_TELE_LEV:
teleport_player_level();
break;
case S_TELE_SELF:
teleport_away(m_ptr, randcalc(re_ptr->base, 0,
RANDOMISE));
break;
case S_DRAIN_LIFE:
d = re_ptr->base.base + (p_ptr->exp *
re_ptr->base.sides / 100) * MON_DRAIN_LIFE;
msg("You feel your life force draining away!");
player_exp_lose(p_ptr, d, FALSE);
break;
case S_DRAIN_STAT: /* m_bonus is used as a flag */
if (re_ptr->dam.m_bonus > 0)
sustain = TRUE;
if (abs(re_ptr->dam.m_bonus) > 1)
perma = TRUE;
drain_stats(randcalc(re_ptr->base, 0, RANDOMISE),
sustain, perma);
break;
case S_SWAP_STAT:
swap_stats();
break;
case S_DRAIN_ALL:
msg("You're not as powerful as you used to be...");
for (i = 0; i < A_MAX; i++)
player_stat_dec(p_ptr, i, FALSE);
break;
case S_DISEN:
(void)apply_disenchant(0);
break;
case S_DRAIN_MANA:
drain_mana(m_idx, rlev, seen);
break;
case S_HEAL:
heal_self(m_idx, rlev, seen);
break;
case S_DARKEN:
(void)unlight_area(0, 3);
break;
case S_TRAPS:
(void)trap_creation();
break;
case S_AGGRAVATE:
aggravate_monsters(m_idx);
break;
case S_KIN:
summon_kin_type = r_ptr->d_char;
case S_MONSTER: case S_MONSTERS:
case S_SPIDER: case S_HOUND: case S_HYDRA: case S_AINU:
case S_ANIMAL:
case S_DEMON: case S_HI_DEMON:
case S_UNDEAD: case S_HI_UNDEAD: case S_WRAITH:
case S_DRAGON: case S_HI_DRAGON:
case S_UNIQUE:
count = summon_monster_aux(re_ptr->flag, m_idx, rlev, re_ptr->base.base);
/* In the special case that uniques or wraiths were summoned but all were dead
S_HI_UNDEAD is used instead */
if ((!count) && ((re_ptr->flag == S_WRAITH) || (re_ptr->flag == S_UNIQUE)))
count = summon_monster_aux(S_HI_UNDEAD, m_idx, rlev, re_ptr->base.base);
if (count && p_ptr->timed[TMD_BLIND])
msgt(rs_ptr->msgt, "You hear %s appear nearby.",
(count > 1 ? "many things" : "something"));
default:
break;
}
}
}
}
return;
}
