/
spl-damage.cc
4487 lines (3802 loc) · 133 KB
/
spl-damage.cc
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/**
* @file
* @brief Damage-dealing spells not already handled elsewhere.
* Other targeted spells are covered in spl-zap.cc.
**/
#include "AppHdr.h"
#include "spl-damage.h"
#include <cmath>
#include <functional>
#include "act-iter.h"
#include "areas.h"
#include "attack.h"
#include "beam.h"
#include "cloud.h"
#include "colour.h"
#include "coordit.h"
#include "directn.h"
#include "english.h"
#include "env.h"
#include "fight.h"
#include "fineff.h"
#include "fprop.h"
#include "god-conduct.h"
#include "god-passive.h"
#include "invent.h"
#include "items.h"
#include "level-state-type.h"
#include "los.h"
#include "losglobal.h"
#include "macro.h"
#include "mapmark.h"
#include "message.h"
#include "misc.h"
#include "mon-behv.h"
#include "mon-death.h"
#include "mon-tentacle.h"
#include "mutation.h"
#include "ouch.h"
#include "prompt.h"
#include "random.h"
#include "religion.h"
#include "shout.h"
#include "spl-goditem.h"
#include "spl-summoning.h"
#include "spl-util.h"
#include "spl-zap.h"
#include "stepdown.h"
#include "stringutil.h"
#include "target.h"
#include "terrain.h"
#include "tilepick.h"
#include "transform.h"
#include "unicode.h"
#include "viewchar.h"
#include "view.h"
#include "xp-evoker-data.h" // for thunderbolt
#define SEARING_RAY_AIM_SPOT_KEY "searing_ray_aimed_at_spot"
#define SEARING_RAY_TARGET_KEY "searing_ray_target"
#define SEARING_RAY_MID_KEY "searing_ray_mid"
#define SEARING_RAY_POWER_KEY "searing_ray_power"
static bool _act_worth_targeting(const actor &caster, const actor &a)
{
if (!caster.see_cell_no_trans(a.pos()))
return false;
if (a.is_player())
return true;
const monster &m = *a.as_monster();
if (mons_is_firewood(m) || mons_is_conjured(m.type))
return false;
if (!caster.is_player())
return true;
return !god_protects(&you, &m, true)
&& !testbits(m.flags, MF_DEMONIC_GUARDIAN);
}
// returns the closest target to the caster, choosing randomly if there are more
// than one (see `fair` argument to distance_iterator).
static actor* _find_closest_target(const actor &caster, int radius, bool tracer)
{
for (distance_iterator di(caster.pos(), !tracer, true, radius); di; ++di)
{
actor *act = actor_at(*di);
if (act && _act_worth_targeting(caster, *act)
&& cell_see_cell(caster.pos(), *di, LOS_SOLID)
&& (!tracer || caster.can_see(*act)))
{
return act;
}
}
return nullptr;
}
void setup_fire_storm(const actor *source, int pow, bolt &beam)
{
zappy(ZAP_FIRE_STORM, pow, source->is_monster(), beam);
beam.ex_size = 2 + (random2(1000) < pow);
beam.source_id = source->mid;
// XXX: Should this be KILL_MON_MISSILE?
beam.thrower =
source->is_player() ? KILL_YOU_MISSILE : KILL_MON;
beam.aux_source.clear();
beam.is_tracer = false;
beam.origin_spell = SPELL_FIRE_STORM;
}
spret cast_fire_storm(int pow, bolt &beam, bool fail)
{
if (grid_distance(beam.target, beam.source) > beam.range)
{
mpr("That is beyond the maximum range.");
return spret::abort;
}
if (cell_is_solid(beam.target))
{
const char *feat = feat_type_name(env.grid(beam.target));
mprf("You can't place the storm on %s.", article_a(feat).c_str());
return spret::abort;
}
setup_fire_storm(&you, pow, beam);
bolt tempbeam = beam;
tempbeam.ex_size = (pow > 0) ? 3 : 2;
tempbeam.is_tracer = true;
tempbeam.explode(false);
if (tempbeam.beam_cancelled)
return spret::abort;
fail_check();
beam.apply_beam_conducts();
beam.refine_for_explosion();
beam.explode(false);
viewwindow();
update_screen();
return spret::success;
}
// No setup/cast split here as monster damnation is completely different.
// XXX make this not true
bool cast_smitey_damnation(int pow, bolt &beam)
{
beam.name = "damnation";
beam.aux_source = "damnation";
beam.ex_size = 1;
beam.flavour = BEAM_DAMNATION;
beam.real_flavour = beam.flavour;
beam.glyph = dchar_glyph(DCHAR_FIRED_BURST);
beam.colour = LIGHTRED;
beam.source_id = MID_PLAYER;
beam.thrower = KILL_YOU;
beam.obvious_effect = false;
beam.pierce = false;
beam.is_explosion = true;
beam.ench_power = pow; // used for radius
beam.hit = 20 + pow / 10;
beam.damage = calc_dice(6, 30 + pow);
beam.attitude = ATT_FRIENDLY;
beam.friend_info.count = 0;
beam.is_tracer = true;
beam.explode(false);
if (beam.beam_cancelled)
{
canned_msg(MSG_OK);
return false;
}
mpr("You call forth a pillar of damnation!");
beam.is_tracer = false;
beam.in_explosion_phase = false;
beam.explode(true);
return true;
}
struct arc_victim
{
coord_def source;
actor *victim;
};
static const int ARC_DIST = 3;
static void _chain_lightning_to(const actor &caster, int power,
vector<arc_victim> &victims,
set<actor*> &seen_set, int arcs,
int initial_range = 0)
{
bolt beam;
zappy(ZAP_CHAIN_LIGHTNING, power, caster.is_monster(), beam);
// Initial arc scales with range.
if (initial_range > 0)
{
beam.damage.size =
beam.damage.size * pow(0.6, (initial_range - 1) / 3.0);
}
// Further arcs scale a fixed amount per arc.
for (int i = 0; i < arcs; i++)
beam.damage.size = beam.damage.size * 3 / 5;
const int dam_size = beam.damage.size;
vector<arc_victim> new_victims;
for (arc_victim &arc : victims)
{
beam.source = arc.source;
beam.target = arc.victim->pos();
beam.range = grid_distance(beam.source, beam.target);
beam.source_id = caster.mid;
beam.thrower = caster.is_player() ? KILL_YOU_MISSILE : KILL_MON_MISSILE;
beam.origin_spell = SPELL_CHAIN_LIGHTNING;
beam.aux_source = "arc of chain lightning";
// Reduce damage to the caster.
beam.damage.size = dam_size / (arc.victim == &caster ? 6 : 1);
beam.draw_delay = 0;
beam.redraw_per_cell = false;
beam.obvious_effect = true;
beam.fire();
// arc!
for (distance_iterator di(beam.target, false, true, ARC_DIST); di; ++di)
{
actor *new_victim = actor_at(*di);
if (new_victim
&& seen_set.find(new_victim) == seen_set.end()
&& cell_see_cell(*di, beam.target, LOS_SOLID)
&& _act_worth_targeting(caster, *new_victim))
{
new_victims.push_back(arc_victim{beam.target, new_victim});
seen_set.insert(new_victim);
}
}
}
if (beam.animate)
animation_delay(200, true);
if (!new_victims.empty())
_chain_lightning_to(caster, power, new_victims, seen_set, arcs + 1);
}
// Assuming the player casts Chain Lightning, who *might* get hit?
// Doesn't include monsters the player can't see.
vector<coord_def> chain_lightning_targets()
{
vector<coord_def> targets;
actor *seed = _find_closest_target(you, LOS_RADIUS, true);
if (!seed)
return targets;
set<actor*> seen;
vector<coord_def> to_check;
seen.insert(seed);
to_check.push_back(seed->pos());
targets.push_back(seed->pos());
while (!to_check.empty())
{
const coord_def arc_source = to_check.back();
to_check.pop_back();
for (distance_iterator di(arc_source, true, true, ARC_DIST); di; ++di)
{
actor *new_victim = actor_at(*di);
if (new_victim
&& you.can_see(*new_victim)
&& seen.find(new_victim) == seen.end()
&& cell_see_cell(*di, you.pos(), LOS_SOLID)
&& _act_worth_targeting(you, *new_victim))
{
to_check.push_back(new_victim->pos());
targets.push_back(new_victim->pos());
seen.insert(new_victim);
}
}
}
return targets;
}
static bool _warn_about_bad_targets(spell_type spell, vector<coord_def> targets)
{
vector<const monster*> bad_targets;
for (coord_def p : targets)
{
const monster* mon = monster_at(p);
// XXX: maybe check for ioods/bspheres instead of all conjured mons..?
// feels a little bad to blow up a prism with a plasma beam, maybe?
if (!mon || god_protects(&you, mon) || mons_is_conjured(mon->type))
continue;
string adj, suffix;
bool penance;
if (bad_attack(mon, adj, suffix, penance, you.pos()))
bad_targets.push_back(mon);
}
if (bad_targets.empty())
return false;
const monster* ex_mon = bad_targets.back();
string adj, suffix;
bool penance;
bad_attack(ex_mon, adj, suffix, penance, you.pos());
const string and_more = bad_targets.size() > 1 ?
make_stringf(" (and %zu other bad targets)",
bad_targets.size() - 1) : "";
const string prompt = make_stringf("%s might hit %s%s. Cast it anyway?",
spell_title(spell),
ex_mon->name(DESC_THE).c_str(),
and_more.c_str());
if (!yesno(prompt.c_str(), false, 'n'))
{
canned_msg(MSG_OK);
return true;
}
return false;
}
spret cast_chain_lightning(int pow, const actor &caster, bool fail)
{
if (caster.is_player()
&& _warn_about_bad_targets(SPELL_CHAIN_LIGHTNING,
chain_lightning_targets()))
{
return spret::abort;
}
// NOTE: it's possible to hit something not in this list by arcing
// chain lightning through an invisible enemy through an ally. Oh well...
fail_check();
actor* act = _find_closest_target(caster, LOS_RADIUS, false);
if (!act)
{
if (caster.is_player())
canned_msg(MSG_NOTHING_HAPPENS);
return spret::success;
}
if (you.can_see(caster))
{
mprf("Lightning arcs from %s %s!",
apostrophise(caster.name(DESC_PLAIN)).c_str(),
caster.hand_name(true).c_str());
}
vector<arc_victim> victims;
victims.push_back(arc_victim{caster.pos(), act});
set<actor*> seen_set;
seen_set.insert(act);
_chain_lightning_to(caster, pow, victims, seen_set, 0,
grid_distance(caster.pos(), act->pos()));
return spret::success;
}
// XXX no friendly check
spret cast_chain_spell(spell_type spell_cast, int pow,
const actor *caster, bool fail)
{
fail_check();
bolt beam;
// initialise beam structure
beam.name = "arc of chaos";
beam.aux_source = "chain of chaos";
beam.glyph = dchar_glyph(DCHAR_FIRED_ZAP);
beam.flavour = BEAM_CHAOS;
beam.source_id = caster->mid;
beam.thrower = caster->is_player() ? KILL_YOU_MISSILE : KILL_MON_MISSILE;
beam.range = 8;
beam.hit = AUTOMATIC_HIT;
beam.obvious_effect = true;
beam.pierce = false; // since we want to stop at our target
beam.is_explosion = false;
beam.is_tracer = false;
beam.origin_spell = spell_cast;
if (const monster* mons = caster->as_monster())
beam.source_name = mons->name(DESC_PLAIN, true);
bool first = true;
coord_def source, target;
for (source = caster->pos(); pow > 0;
pow -= 8 + random2(13), source = target)
{
// infinity as far as this spell is concerned
// (Range - 1) is used because the distance is randomised and
// may be shifted by one.
int min_dist = LOS_DEFAULT_RANGE - 1;
int dist;
int count = 0;
target.x = -1;
target.y = -1;
for (monster_iterator mi; mi; ++mi)
{
if (invalid_monster(*mi))
continue;
// Don't arc to things we cannot hit.
if (beam.ignores_monster(*mi))
continue;
dist = grid_distance(source, mi->pos());
// check for the source of this arc
if (!dist)
continue;
// randomise distance (arcs don't care about a couple of feet)
dist += (random2(3) - 1);
// always ignore targets further than current one
if (dist > min_dist)
continue;
if (!cell_see_cell(source, mi->pos(), LOS_SOLID)
|| !cell_see_cell(caster->pos(), mi->pos(), LOS_SOLID_SEE))
{
continue;
}
// check for actors along the arc path
ray_def ray;
if (!find_ray(source, mi->pos(), ray, opc_solid))
continue;
while (ray.advance())
if (actor_at(ray.pos()))
break;
if (ray.pos() != mi->pos())
continue;
count++;
if (dist < min_dist)
{
// switch to looking for closer targets (but not always)
if (!one_chance_in(10))
{
min_dist = dist;
target = mi->pos();
count = 0;
}
}
else if (target.x == -1 || one_chance_in(count))
{
// either first target, or new selected target at
// min_dist == dist.
target = mi->pos();
}
}
// now check if the player is a target
dist = grid_distance(source, you.pos());
if (dist) // i.e., player was not the source
{
// distance randomised (as above)
dist += (random2(3) - 1);
// select player if only, closest, or randomly selected
if ((target.x == -1
|| dist < min_dist
|| (dist == min_dist && one_chance_in(count + 1)))
&& cell_see_cell(source, you.pos(), LOS_SOLID))
{
target = you.pos();
}
}
const bool see_source = you.see_cell(source);
const bool see_targ = you.see_cell(target);
if (target.x == -1)
{
if (see_source)
mprf("The %s grounds out.", beam.name.c_str());
break;
}
// Trying to limit message spamming here so we'll only mention
// the chaos at the start or when it's out of LoS.
if (first && see_source)
mpr("A swirling arc of seething chaos appears!");
first = false;
if (see_source && !see_targ)
mprf("The %s arcs out of your line of sight!", beam.name.c_str());
else if (!see_source && see_targ)
mprf("The %s suddenly appears!", beam.name.c_str());
beam.source = source;
beam.target = target;
beam.colour = ETC_RANDOM;
beam.ench_power = pow;
beam.damage = calc_dice(3, 5 + pow / 6);
beam.real_flavour = BEAM_CHAOS;
beam.flavour = BEAM_CHAOS;
// Be kinder to the caster.
if (target == caster->pos())
{
// This should not hit the caster, too scary as a player effect and
// too kind to the player as a monster effect.
if (spell_cast == SPELL_CHAIN_OF_CHAOS)
{
beam.real_flavour = BEAM_VISUAL;
beam.flavour = BEAM_VISUAL;
}
// Reduce damage when the spell arcs to the caster.
beam.damage.num = max(1, beam.damage.num / 2);
beam.damage.size = max(3, beam.damage.size / 2);
}
beam.fire();
}
return spret::success;
}
/*
* Handle the application of damage from a player spell that doesn't apply these
* through struct bolt. This can apply god conducts and handles any necessary
* death cleanup.
* @param mon The monster.
* @param damage The damage to apply, if any. Regardless of damage done,
* the monster will have death cleanup applied via
* monster_die() if it's now dead.
* @param flavour The beam flavour of damage.
* @param god_conducts If true, apply any god conducts, in which case the
* monster must be alive. Some callers need to apply
* effects prior to damage that might kill the monster,
* hence handle conducts on their own.
*/
static void _player_hurt_monster(monster &mon, int damage, beam_type flavour,
bool god_conducts = true, bool quiet = false)
{
ASSERT(mon.alive() || !god_conducts);
if (god_conducts && god_protects(&mon, false))
return;
god_conduct_trigger conducts[3];
if (god_conducts)
set_attack_conducts(conducts, mon, you.can_see(mon));
if (damage)
{
majin_bo_vampirism(mon, min(damage, mon.stat_hp()));
mon.hurt(&you, damage, flavour, KILLED_BY_BEAM);
}
if (mon.alive())
{
behaviour_event(&mon, ME_WHACK, &you);
if (damage && you.can_see(mon) && !quiet)
print_wounds(mon);
}
// monster::hurt() wasn't called, so we do death cleanup.
else if (!damage)
monster_die(mon, KILL_YOU, NON_MONSTER);
}
static bool _drain_lifeable(const actor* agent, const actor* act)
{
if (!actor_is_susceptible_to_vampirism(*act)
|| act->res_negative_energy() >= 3)
{
return false;
}
if (!agent)
return true;
const monster* mons = agent->as_monster();
const monster* m = act->as_monster();
return !(agent->is_player() && act->wont_attack()
|| mons && act->is_player() && mons->wont_attack()
|| mons && m && mons_atts_aligned(mons->attitude, m->attitude));
}
static int _los_spell_damage_actor(const actor* agent, actor &target,
bolt &beam, bool actual)
{
beam.thrower = (agent && agent->is_player()) ? KILL_YOU :
agent ? KILL_MON
: KILL_MISC;
// Set conducts here. The monster needs to be alive when this is done, and
// mons_adjust_flavoured() could kill it.
monster *mon_targ = target.as_monster();
god_conduct_trigger conducts[3];
if (actual && YOU_KILL(beam.thrower) && mon_targ)
set_attack_conducts(conducts, *mon_targ, you.can_see(target));
int hurted;
if (actual)
{
hurted = beam.damage.roll();
hurted = max(0, target.apply_ac(hurted));
}
else
{
// Tracers use the average for damage calculations.
hurted = (1 + beam.damage.num * beam.damage.size) / 2;
hurted = max(0, hurted - target.armour_class() / 2);
}
const bool doFlavour = actual && beam.origin_spell != SPELL_DRAIN_LIFE;
if (mon_targ)
hurted = mons_adjust_flavoured(mon_targ, beam, hurted, doFlavour);
else
hurted = check_your_resists(hurted, beam.flavour, beam.name, 0, doFlavour);
dprf("damage done: %d", hurted);
if (actual)
{
if (YOU_KILL(beam.thrower) && mon_targ)
{
_player_hurt_monster(*mon_targ, hurted, beam.flavour, false);
if (target.alive())
you.pet_target = target.mindex();
}
else if (hurted)
target.hurt(agent, hurted, beam.flavour);
// Cold-blooded creatures can be slowed.
if (beam.origin_spell == SPELL_OZOCUBUS_REFRIGERATION
&& target.alive())
{
target.expose_to_element(beam.flavour, 5);
}
}
// So that summons don't restore HP.
if (beam.origin_spell == SPELL_DRAIN_LIFE && target.is_summoned())
return 0;
return hurted;
}
static int _count_adj_actors(coord_def pos)
{
int adj_count = 0;
for (adjacent_iterator ai(pos); ai; ++ai)
{
const actor* act = actor_at(*ai);
if (act && !mons_is_conjured(act->type))
++adj_count;
}
return adj_count;
}
static int _ozo_adj_dam(int base_dam, int adj_actors, bool actual)
{
switch (adj_actors)
{
case 0:
return base_dam;
case 1:
if (actual)
return div_rand_round(7 * base_dam, 10);
return 7 * base_dam / 10;
default:
if (actual)
return div_rand_round(2 * base_dam, 5);
return base_dam * 2 / 5;
}
}
static spret _cast_los_attack_spell(spell_type spell, int pow,
const actor* agent, bool actual,
bool fail, int* damage_done)
{
const bool player_caster = agent && agent->is_player();
const monster* mons = agent ? agent->as_monster() : nullptr;
const zap_type zap = spell_to_zap(spell);
if (zap == NUM_ZAPS)
return spret::abort;
bolt beam;
zappy(zap, pow, mons, beam);
beam.source_id = agent ? agent->mid : MID_NOBODY;
beam.foe_ratio = 80;
const char *player_msg = nullptr, *global_msg = nullptr,
*mons_vis_msg = nullptr, *mons_invis_msg = nullptr,
*prompt_verb = nullptr;
bool (*vulnerable)(const actor *, const actor *) = nullptr;
switch (spell)
{
case SPELL_OZOCUBUS_REFRIGERATION:
player_msg = "The heat is drained from your surroundings.";
global_msg = "Something drains the heat from around you.";
mons_vis_msg = " drains the heat from the surrounding"
" environment!";
mons_invis_msg = "The ambient heat is drained!";
prompt_verb = "refrigerate";
vulnerable = [](const actor *caster, const actor *act) {
return act != caster
// Players don't get immunity with rC+++.
&& (act->is_player() || act->res_cold() < 3)
&& !god_protects(caster, act->as_monster());
};
break;
case SPELL_DRAIN_LIFE:
player_msg = "You draw life from your surroundings.";
global_msg = "Something draws the life force from your"
" surroundings.";
mons_vis_msg = " draws from the surrounding life force!";
mons_invis_msg = "The surrounding life force dissipates!";
prompt_verb = "drain life";
vulnerable = &_drain_lifeable;
break;
case SPELL_SONIC_WAVE:
player_msg = "You send a blast of sound all around you.";
global_msg = "Something sends a blast of sound all around you.";
mons_vis_msg = " sends a blast of sound all around you!";
mons_invis_msg = "Sound blasts the surrounding area!";
// prompt_verb = "sing" The singing sword prompts in melee-attack
vulnerable = [](const actor *caster, const actor *act) {
return act != caster
&& !god_protects(caster, act->as_monster());
};
break;
default:
return spret::abort;
}
auto vul_hitfunc = [vulnerable](const actor *act) -> bool
{
return (*vulnerable)(&you, act);
};
if (actual)
{
if (player_caster)
{
targeter_radius hitfunc(&you, LOS_NO_TRANS);
// Singing Sword's spell shouldn't give a prompt at this time.
if (spell != SPELL_SONIC_WAVE)
{
if (stop_attack_prompt(hitfunc, prompt_verb, vul_hitfunc))
return spret::abort;
fail_check();
}
mpr(player_msg);
flash_view_delay(UA_PLAYER, beam.colour, 300, &hitfunc);
}
else
{
if (!agent)
mpr(global_msg);
else if (you.can_see(*agent))
simple_monster_message(*mons, mons_vis_msg);
else if (you.see_cell(agent->pos()))
mpr(mons_invis_msg);
if (!agent || you.see_cell(agent->pos()))
flash_view_delay(UA_MONSTER, beam.colour, 300);
}
}
vector<actor *> affected_actors;
map<actor*, int> ozo_adj_count;
for (actor_near_iterator ai((agent ? agent : &you)->pos(), LOS_NO_TRANS);
ai; ++ai)
{
if (!actual && !agent->can_see(**ai))
continue;
if (!(*vulnerable)(agent, *ai))
continue;
if ((*vulnerable)(agent, *ai))
affected_actors.push_back(*ai);
// For perf, don't count when running tracers.
if (spell == SPELL_OZOCUBUS_REFRIGERATION)
ozo_adj_count[*ai] = actual ? _count_adj_actors(ai->pos()) : 0;
}
const int avg_damage = (1 + beam.damage.num * beam.damage.size) / 2;
int total_damage = 0;
const int base_dam_size = beam.damage.size;
for (auto a : affected_actors)
{
// Watch out for invalidation. Example: Ozocubu's refrigeration on
// a bunch of ballistomycete spores that blow each other up.
if (!a->alive())
continue;
if (spell == SPELL_OZOCUBUS_REFRIGERATION)
beam.damage.size = _ozo_adj_dam(base_dam_size, ozo_adj_count[a], actual);
int this_damage = _los_spell_damage_actor(agent, *a, beam, actual);
total_damage += this_damage;
if (actual || !this_damage)
continue;
if (a->is_monster() && !mons_is_threatening(*a->as_monster()))
continue;
if (!agent || !mons_aligned(a, agent))
{
beam.foe_info.count++;
beam.foe_info.power +=
(a->get_hit_dice() * this_damage / avg_damage);
}
else
{
beam.friend_info.count++;
beam.friend_info.power +=
(a->get_hit_dice() * this_damage / avg_damage);
}
}
if (damage_done)
*damage_done = total_damage;
if (actual)
return spret::success;
if (player_caster)
return beam.foe_info.count ? spret::success : spret::abort;
return mons_should_fire(beam) ? spret::success : spret::abort;
}
spret trace_los_attack_spell(spell_type spell, int pow, const actor* agent)
{
return _cast_los_attack_spell(spell, pow, agent, false, false, nullptr);
}
spret fire_los_attack_spell(spell_type spell, int pow, const actor* agent,
bool fail, int* damage_done)
{
return _cast_los_attack_spell(spell, pow, agent, true, fail, damage_done);
}
dice_def freeze_damage(int pow, bool random)
{
return dice_def(1, random ? 3 + div_rand_round(pow * 3, 10)
: 3 + pow * 3 / 10);
}
spret cast_freeze(int pow, monster* mons, bool fail)
{
pow = min(25, pow);
if (!mons || mons->submerged())
{
fail_check();
canned_msg(MSG_NOTHING_CLOSE_ENOUGH);
// If there's no monster there, you still pay the costs in
// order to prevent locating invisible/submerged monsters.
return spret::success;
}
if (stop_attack_prompt(mons, false, you.pos()))
{
canned_msg(MSG_OK);
return spret::abort;
}
fail_check();
// Set conducts here. The monster needs to be alive when this is done, and
// mons_adjust_flavoured() could kill it.
god_conduct_trigger conducts[3];
set_attack_conducts(conducts, *mons);
bolt beam;
beam.flavour = BEAM_COLD;
beam.thrower = KILL_YOU;
const int orig_hurted = freeze_damage(pow, true).roll();
// calculate the resist adjustment to punctuate
int hurted = mons_adjust_flavoured(mons, beam, orig_hurted, false);
mprf("You freeze %s%s%s",
mons->name(DESC_THE).c_str(),
hurted ? "" : " but do no damage",
attack_strength_punctuation(hurted).c_str());
// print the resist message and expose to the cold
mons_adjust_flavoured(mons, beam, orig_hurted);
_player_hurt_monster(*mons, hurted, beam.flavour, false);
if (mons->alive())
{
mons->expose_to_element(BEAM_COLD, orig_hurted);
you.pet_target = mons->mindex();
}
return spret::success;
}
// For airstrike purposes, how much empty space is there around
// the given target?
int airstrike_space_around(coord_def target, bool count_unseen)
{
int empty_space = 0;
for (adjacent_iterator ai(target); ai; ++ai)
{
if (!count_unseen && !env.map_knowledge(*ai).seen())
continue;
const auto feat = count_unseen ? env.grid(*ai)
: env.map_knowledge(*ai).feat();
if (feat_is_solid(feat))
continue;
if (count_unseen)
{
if (!actor_at(*ai))
++empty_space;
}
else if (you.pos() != *ai && !env.map_knowledge(*ai).monsterinfo())
++empty_space;
}
return empty_space;
}
spret cast_airstrike(int pow, coord_def target, bool fail)
{
if (cell_is_solid(target))
{
canned_msg(MSG_UNTHINKING_ACT);
return spret::abort;
}
monster* mons = monster_at(target);
if (!mons || mons->submerged())
{
fail_check();
canned_msg(MSG_SPELL_FIZZLES);
return spret::success; // still losing a turn
}
if (!god_protects(mons)
&& stop_attack_prompt(mons, false, you.pos()))
{
return spret::abort;
}
fail_check();
noisy(spell_effect_noise(SPELL_AIRSTRIKE), target);
bolt pbeam;
pbeam.flavour = BEAM_AIR;
const int empty_space = airstrike_space_around(target, true);
dice_def to_roll = base_airstrike_damage(pow, true);
to_roll.size += empty_space * AIRSTRIKE_PER_SPACE_BONUS;
int hurted = to_roll.roll();
#ifdef DEBUG_DIAGNOSTICS
const int preac = hurted;
#endif
hurted = mons->apply_ac(mons->beam_resists(pbeam, hurted, false));
dprf("preac: %d, postac: %d", preac, hurted);
mprf("The air twists around and strikes %s%s%s",
mons->name(DESC_THE).c_str(),
hurted ? "" : " but does no damage",
attack_strength_punctuation(hurted).c_str());
_player_hurt_monster(*mons, hurted, pbeam.flavour);