/*	EQEmu: EQEmulator

	Copyright (C) 2001-2026 EQEmu Development Team

	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 3 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
Beacon class, extends Mob. Used for AE rain spells to have a mob
target to center around.
*/

#include "common/races.h"
#include "zone/beacon.h"
#include "zone/entity.h"
#include "zone/mob.h"

extern EntityList entity_list;
extern Zone* zone;

class Zone;

// if lifetime is 0 this is a permanent beacon.. not sure if that'll be
// useful for anything
Beacon::Beacon(const glm::vec4 &in_pos, int lifetime) : Mob(
	nullptr, // in_name
	nullptr, // in_lastname
	0, // in_cur_hp
	0, // in_max_hp
	Gender::Male, // in_gender
	Race::InvisibleMan, // in_race
	Class::None, // in_class
	BodyType::NoTarget, // in_bodytype
	Deity::Unknown, // in_deity
	0, // in_level
	0, // in_npctype_id
	0.0f, // in_size
	0.0f, // in_runspeed
	in_pos, // position
	0, // in_light
	0, // in_texture
	0, // in_helmtexture
	0, // in_ac
	0, // in_atk
	0, // in_str
	0, // in_sta
	0, // in_dex
	0, // in_agi
	0, // in_int
	0, // in_wis
	0, // in_cha
	0, // in_haircolor
	0, // in_beardcolor
	0, // in_eyecolor1
	0, // in_eyecolor2
	0, // in_hairstyle
	0, // in_luclinface
	0, // in_beard
	0, // in_drakkin_heritage
	0, // in_drakkin_tattoo
	0, // in_drakkin_details
	EQ::TintProfile(), // in_armor_tint
	0, // in_aa_title
	0, // in_see_invis
	0, // in_see_invis_undead
	0, // in_see_hide
	0, // in_see_improved_hide
	0, // in_hp_regen
	0, // in_mana_regen
	0, // in_qglobal
	0, // in_maxlevel
	0, // in_scalerate
	0, // in_armtexture
	0, // in_bracertexture
	0, // in_handtexture
	0, // in_legtexture
	0, // in_feettexture
	0, // in_usemodel
	false, // in_always_aggros_foes
	0, //in_heroic_strikethrough
	false // in_keeps_sold_items
),
	  remove_timer(lifetime),
	  spell_timer(0)
{
	remove_timer.Disable();
	spell_timer.Disable();

	remove_me        = false;
	spell_id         = UINT16_MAX;
	resist_adjust    = 0;
	spell_iterations = 0;
	caster_id        = 0;
	max_targets      = 4;

	if (lifetime) {
		remove_timer.Start();
	}
}

Beacon::~Beacon()
{

}

bool Beacon::Process()
{
	if (remove_me) {
		return false;
	}

	if (
		spell_timer.Enabled() &&
		spell_timer.Check() &&
		IsValidSpell(spell_id)
	) {
		Mob* caster = entity_list.GetMob(caster_id);
		if (caster && spell_iterations-- && max_targets) {
			// NPCs should never be affected by an AE they cast. PB AEs shouldn't affect caster either
			// I don't think any other cases that get here matter
			const bool affect_caster = (!caster->IsNPC() && !caster->IsAIControlled()) &&
				spells[spell_id].target_type != ST_AECaster;
			entity_list.AESpell(caster, this, spell_id, affect_caster, resist_adjust, &max_targets);
		} else {
			// spell is done casting, or caster disappeared
			caster_id        = 0;
			spell_id         = UINT16_MAX;
			spell_iterations = 0;

			spell_timer.Disable();
		}
	}

	if (remove_timer.Enabled() && remove_timer.Check()) {
		return false;
	}

	return true;
}

void Beacon::AELocationSpell(Mob *caster, uint16 cast_spell_id, int16 in_resist_adjust)
{
	if (!IsValidSpell(cast_spell_id) || !caster) {
		return;
	}

	caster_id        = caster->GetID();
	spell_id         = cast_spell_id;
	resist_adjust    = in_resist_adjust;
	spell_iterations = spells[spell_id].aoe_duration / 2500;
	spell_iterations = spell_iterations < 1 ? 1 : spell_iterations;	// at least 1

	if (spells[spell_id].aoe_max_targets) {
		max_targets = spells[spell_id].aoe_max_targets;
	}

	spell_timer.Start(2500);
	spell_timer.Trigger();
}