#include "system/angband.h"
#include "effect/effect-monster-util.h"
#include "effect/effect-monster-spirit.h"
#include "mspell/monster-spell.h"
#include "monster/monster-status.h"
#include "player/player-effects.h"

gf_switch_result effect_monster_drain_mana(player_type *caster_ptr, effect_monster_type *em_ptr)
{
	if (em_ptr->seen) em_ptr->obvious = TRUE;
	bool has_mana = ((em_ptr->r_ptr->flags4 & ~(RF4_NOMAGIC_MASK))) != 0;
	has_mana |= ((em_ptr->r_ptr->a_ability_flags1 & ~(RF5_NOMAGIC_MASK))) != 0;
	has_mana |= ((em_ptr->r_ptr->a_ability_flags2 & ~(RF6_NOMAGIC_MASK))) != 0;
	if (!has_mana)
	{
		if (em_ptr->see_s_msg)
			msg_format(_("%sには効果がなかった。", "%s is unaffected."), em_ptr->m_name);

		em_ptr->dam = 0;
		return GF_SWITCH_CONTINUE;
	}

	if (em_ptr->who <= 0)
	{
		msg_format(_("%sから精神エネルギーを吸いとった。", "You draw psychic energy from %s."), em_ptr->m_name);
		(void)hp_player(caster_ptr, em_ptr->dam);
		em_ptr->dam = 0;
		return GF_SWITCH_CONTINUE;
	}

	if (em_ptr->m_caster_ptr->hp >= em_ptr->m_caster_ptr->maxhp)
	{
		em_ptr->dam = 0;
		return GF_SWITCH_CONTINUE;
	}

	em_ptr->m_caster_ptr->hp += em_ptr->dam;
	if (em_ptr->m_caster_ptr->hp > em_ptr->m_caster_ptr->maxhp)
		em_ptr->m_caster_ptr->hp = em_ptr->m_caster_ptr->maxhp;

	if (caster_ptr->health_who == em_ptr->who)
		caster_ptr->redraw |= (PR_HEALTH);

	if (caster_ptr->riding == em_ptr->who)
		caster_ptr->redraw |= (PR_UHEALTH);

	if (em_ptr->see_s_msg)
	{
		monster_desc(caster_ptr, em_ptr->killer, em_ptr->m_caster_ptr, 0);
		msg_format(_("%^sは気分が良さそうだ。", "%^s appears healthier."), em_ptr->killer);
	}

	em_ptr->dam = 0;
	return GF_SWITCH_CONTINUE;
}


gf_switch_result effect_monster_mind_blast(player_type *caster_ptr, effect_monster_type *em_ptr)
{
	if (em_ptr->seen) em_ptr->obvious = TRUE;
	if (!em_ptr->who) msg_format(_("%sをじっと睨んだ。", "You gaze intently at %s."), em_ptr->m_name);

	if ((em_ptr->r_ptr->flags1 & RF1_UNIQUE) ||
		(em_ptr->r_ptr->flags3 & RF3_NO_CONF) ||
		(em_ptr->r_ptr->level > randint1((em_ptr->caster_lev - 10) < 1 ? 1 : (em_ptr->caster_lev - 10)) + 10))
	{
		if (em_ptr->r_ptr->flags3 & (RF3_NO_CONF))
		{
			if (is_original_ap_and_seen(caster_ptr, em_ptr->m_ptr)) em_ptr->r_ptr->r_flags3 |= (RF3_NO_CONF);
		}

		em_ptr->note = _("には効果がなかった。", " is unaffected.");
		em_ptr->dam = 0;
	}
	else if (em_ptr->r_ptr->flags2 & RF2_EMPTY_MIND)
	{
		if (is_original_ap_and_seen(caster_ptr, em_ptr->m_ptr)) em_ptr->r_ptr->r_flags2 |= (RF2_EMPTY_MIND);
		em_ptr->note = _("には完全な耐性がある！", " is immune.");
		em_ptr->dam = 0;
	}
	else if (em_ptr->r_ptr->flags2 & RF2_WEIRD_MIND)
	{
		if (is_original_ap_and_seen(caster_ptr, em_ptr->m_ptr)) em_ptr->r_ptr->r_flags2 |= (RF2_WEIRD_MIND);
		em_ptr->note = _("には耐性がある。", " resists.");
		em_ptr->dam /= 3;
	}
	else
	{
		em_ptr->note = _("は精神攻撃を食らった。", " is blasted by psionic energy.");
		em_ptr->note_dies = _("の精神は崩壊し、肉体は抜け殻となった。", " collapses, a mindless husk.");

		if (em_ptr->who > 0) em_ptr->do_conf = randint0(4) + 4;
		else em_ptr->do_conf = randint0(8) + 8;
	}

	return GF_SWITCH_CONTINUE;
}


gf_switch_result effect_monster_brain_smash(player_type *caster_ptr, effect_monster_type *em_ptr)
{
	if (em_ptr->seen) em_ptr->obvious = TRUE;
	if (!em_ptr->who) msg_format(_("%sをじっと睨んだ。", "You gaze intently at %s."), em_ptr->m_name);

	if ((em_ptr->r_ptr->flags1 & RF1_UNIQUE) ||
		(em_ptr->r_ptr->flags3 & RF3_NO_CONF) ||
		(em_ptr->r_ptr->level > randint1((em_ptr->caster_lev - 10) < 1 ? 1 : (em_ptr->caster_lev - 10)) + 10))
	{
		if (em_ptr->r_ptr->flags3 & (RF3_NO_CONF))
		{
			if (is_original_ap_and_seen(caster_ptr, em_ptr->m_ptr))
				em_ptr->r_ptr->r_flags3 |= (RF3_NO_CONF);
		}

		em_ptr->note = _("には効果がなかった。", " is unaffected.");
		em_ptr->dam = 0;
	}
	else if (em_ptr->r_ptr->flags2 & RF2_EMPTY_MIND)
	{
		if (is_original_ap_and_seen(caster_ptr, em_ptr->m_ptr))
			em_ptr->r_ptr->r_flags2 |= (RF2_EMPTY_MIND);

		em_ptr->note = _("には完全な耐性がある！", " is immune.");
		em_ptr->dam = 0;
	}
	else if (em_ptr->r_ptr->flags2 & RF2_WEIRD_MIND)
	{
		if (is_original_ap_and_seen(caster_ptr, em_ptr->m_ptr))
			em_ptr->r_ptr->r_flags2 |= (RF2_WEIRD_MIND);

		em_ptr->note = _("には耐性がある！", " resists!");
		em_ptr->dam /= 3;
	}
	else
	{
		em_ptr->note = _("は精神攻撃を食らった。", " is blasted by psionic energy.");
		em_ptr->note_dies = _("の精神は崩壊し、肉体は抜け殻となった。", " collapses, a mindless husk.");
		if (em_ptr->who > 0)
		{
			em_ptr->do_conf = randint0(4) + 4;
			em_ptr->do_stun = randint0(4) + 4;
		}
		else
		{
			em_ptr->do_conf = randint0(8) + 8;
			em_ptr->do_stun = randint0(8) + 8;
		}

		(void)set_monster_slow(caster_ptr, em_ptr->g_ptr->m_idx, MON_SLOW(em_ptr->m_ptr) + 10);
	}

	return GF_SWITCH_CONTINUE;
}
