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path: root/src/map/pet.c
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// Copyright (c) Athena Dev Teams - Licensed under GNU GPL
// For more information, see LICENCE in the main folder

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "db.h"
#include "timer.h"
#include "socket.h"
#include "nullpo.h"
#include "malloc.h"
#include "pc.h"
#include "status.h"
#include "map.h"
#include "intif.h"
#include "clif.h"
#include "chrif.h"
#include "pet.h"
#include "itemdb.h"
#include "battle.h"
#include "mob.h"
#include "npc.h"
#include "script.h"
#include "skill.h"
#include "showmsg.h"

#define MIN_PETTHINKTIME 100

struct pet_db pet_db[MAX_PET_DB];

static int dirx[8]={0,-1,-1,-1,0,1,1,1};
static int diry[8]={1,1,0,-1,-1,-1,0,1};

static int pet_timer(int tid,unsigned int tick,int id,int data);
static int pet_walktoxy_sub(struct pet_data *pd);

static int calc_next_walk_step(struct pet_data *pd)
{
	nullpo_retr(0, pd);

	Assert((pd->msd == 0) || (pd->msd->pd == pd));

	if(pd->walkpath.path_pos>=pd->walkpath.path_len)
		return -1;
	if(pd->walkpath.path[pd->walkpath.path_pos]&1)
		return pd->speed*14/10;
	return pd->speed;
}

static int pet_performance_val(struct map_session_data *sd)
{
	nullpo_retr(0, sd);

	Assert((sd->status.pet_id == 0 || sd->pd == 0) || sd->pd->msd == sd); 

	if(sd->pet.intimate > 900)
		return (sd->petDB->s_perfor > 0)? 4:3;
	else if(sd->pet.intimate > 750)
		return 2;
	else
		return 1;
}

int pet_hungry_val(struct map_session_data *sd)
{
	nullpo_retr(0, sd);

	Assert((sd->status.pet_id == 0 || sd->pd == 0) || sd->pd->msd == sd); 

	if(sd->pet.hungry > 90)
		return 4;
	else if(sd->pet.hungry > 75)
		return 3;
	else if(sd->pet.hungry > 25)
		return 2;
	else if(sd->pet.hungry > 10)
		return 1;
	else
		return 0;
}

static int pet_can_reach(struct pet_data *pd,int x,int y)
{
	struct walkpath_data wpd;

	nullpo_retr(0, pd);

	Assert((pd->msd == 0) || (pd->msd->pd == pd));

	if( pd->bl.x==x && pd->bl.y==y )	// �����}�X
		return 1;

	// ��Q������
	wpd.path_len=0;
	wpd.path_pos=0;
	wpd.path_half=0;
	return (path_search_real(&wpd,pd->bl.m,pd->bl.x,pd->bl.y,x,y,0,CELL_CHKNOREACH)!=-1)?1:0;
}

static int pet_calc_pos(struct pet_data *pd,int tx,int ty,int dir)
{
	int x,y,dx,dy;
	int i,j=0,k;

	nullpo_retr(0, pd);

	Assert((pd->msd == 0) || (pd->msd->pd == pd));

	pd->to_x = tx;
	pd->to_y = ty;

	if(dir >= 0 && dir < 8) {
		dx = -dirx[dir]*2;
		dy = -diry[dir]*2;
		x = tx + dx;
		y = ty + dy;
		if(!(j=pet_can_reach(pd,x,y))) {
			if(dx > 0) x--;
			else if(dx < 0) x++;
			if(dy > 0) y--;
			else if(dy < 0) y++;
			if(!(j=pet_can_reach(pd,x,y))) {
				for(i=0;i<12;i++) {
					k = rand()%8;
					dx = -dirx[k]*2;
					dy = -diry[k]*2;
					x = tx + dx;
					y = ty + dy;
					if((j=pet_can_reach(pd,x,y)))
						break;
					else {
						if(dx > 0) x--;
						else if(dx < 0) x++;
						if(dy > 0) y--;
						else if(dy < 0) y++;
						if((j=pet_can_reach(pd,x,y)))
							break;
					}
				}
				if(!j) {
					x = tx;
					y = ty;
					if(!pet_can_reach(pd,x,y))
						return 1;
				}
			}
		}
	}
	else
		return 1;

	pd->to_x = x;
	pd->to_y = y;
	return 0;
}

static int pet_unlocktarget(struct pet_data *pd)
{
	nullpo_retr(0, pd);

	pd->target_id=0;

	return 0;
}

static int pet_attack(struct pet_data *pd,unsigned int tick,int data)
{
	struct block_list *target;

	short range;

	nullpo_retr(0, pd);

	Assert((pd->msd == 0) || (pd->msd->pd == pd));

	target= map_id2bl(pd->target_id);

	if(target == NULL || pd->bl.m != target->m || target->prev == NULL ||
		!check_distance_bl(&pd->bl, target, pd->db->range3))
	{
		pet_unlocktarget(pd);
		return 0;
	}

	if(!status_check_skilluse(&pd->bl, target, 0, 0))
		return 0;

	range = pd->db->range;
	if (battle_iswalking(&pd->bl)) range++;
	if (battle_iswalking(target)) range++;
	if(!check_distance_bl(&pd->bl, target, range))
		return 0;
	if(battle_config.monster_attack_direction_change)
		pd->dir=map_calc_dir(&pd->bl, target->x,target->y );

	clif_fixpetpos(pd);

	pd->target_lv = battle_weapon_attack(&pd->bl,target,tick,0);

	pd->attackabletime = tick + status_get_adelay(&pd->bl);

	pd->timer=add_timer(pd->attackabletime,pet_timer,pd->bl.id,0);
	pd->state.state=MS_ATTACK;
	return 0;
}

static int petskill_castend(struct pet_data *pd,unsigned int tick,int data);
static int petskill_castend2(struct pet_data *pd, struct block_list *target, unsigned int tick);

/*==========================================
 * Pet Attack Skill [Skotlex]
 *------------------------------------------
 */
static int pet_attackskill(struct pet_data *pd, unsigned int tick, int data)
{

	struct block_list *bl;
	
	nullpo_retr(0, pd);
	Assert((pd->msd == 0) || (pd->msd->pd == pd));

	bl=map_id2bl(pd->target_id);
	if(bl == NULL || pd->bl.m != bl->m || bl->prev == NULL ||
		!check_distance_bl(&pd->bl, bl, pd->db->range3))
	{
		pet_unlocktarget(pd);
		return 0;
	}

	petskill_use(pd, bl, pd->a_skill->id, pd->a_skill->lv, tick);
	return 0;
}

/*==========================================
 * Pet Skill Use [Skotlex]
 *------------------------------------------
 */
int petskill_use(struct pet_data *pd, struct block_list *target, short skill_id, short skill_lv, unsigned int tick)
{
	int casttime;
	
	nullpo_retr(0, pd);
	Assert((pd->msd == 0) || (pd->msd->pd == pd));

	if(pd->state.casting_flag)
		return 1;	//Will not interrupt an already casting skill.

	if(!status_check_skilluse(&pd->bl, target, skill_id, 0))
		return 0; //Cannot target.... 
	
	if(pd->timer != -1)	//Cancel whatever else the pet is doing.
		delete_timer(pd->timer, pet_timer);
	
	if(battle_config.monster_attack_direction_change)
		pd->dir=map_calc_dir(&pd->bl, target->x, target->y );
	clif_fixpetpos(pd);

	//Casting time
	casttime=skill_castfix(&pd->bl, skill_id, skill_lv, 0);
		
	pet_stop_walking(pd,1);
	pd->attackabletime = tick;
	pd->state.state=MS_ATTACK;

	pd->skilltarget = target->id;
	pd->skillid = skill_id;
	pd->skilllv = skill_lv;
	pd->skillx = target->x;
	pd->skilly = target->y;
	if (casttime > 0)
	{
		pd->attackabletime += casttime;
		pd->state.casting_flag = 1;
		if (skill_get_inf(skill_id) & INF_GROUND_SKILL)
			clif_skillcasting( &pd->bl, pd->bl.id, 0, pd->skillx, pd->skilly, skill_id,casttime);
		else
			clif_skillcasting( &pd->bl, pd->bl.id, target->id, 0,0, skill_id,casttime);
		
		pd->timer = add_timer(pd->attackabletime,pet_timer,pd->bl.id,0);
	} else {
		petskill_castend2(pd, target, tick);
	}	
	return 0;
}

/*==========================================
 * Pet Attack Cast End [Skotlex]
 *------------------------------------------
 */
static int petskill_castend(struct pet_data *pd,unsigned int tick,int data)
{
	struct block_list *target = map_id2bl(pd->skilltarget);
	pd->state.casting_flag = 0;
	pd->skilltarget = 0;
	petskill_castend2(pd, target, tick);
	return 0;
}

/*==========================================
 * Pet Attack Cast End2 [Skotlex]
 *------------------------------------------
 */
static int petskill_castend2(struct pet_data *pd, struct block_list *target, unsigned int tick)
{	//Invoked after the casting time has passed.
	int delaytime =0;
	int skill_id = pd->skillid, skill_lv = pd->skilllv;
	
	pd->state.state=MS_IDLE;
	
	if (skill_get_inf(skill_id)&INF_GROUND_SKILL)
	{	//Area skill
		skill_castend_pos2(&pd->bl, pd->skillx, pd->skilly, pd->skillid, pd->skilllv, tick,0);
		pd->skillx = pd->skilly = 0;
	} else { //Targeted Skill
	  	if (!target)
			return 0;
		if(!skill_get_inf(skill_id)&INF_SELF_SKILL && //No range check for self skills.
			!check_distance_bl(&pd->bl, target,
				skill_get_range2(&pd->bl, skill_id, skill_lv)))
			return 0;
			
		if (!status_check_skilluse(&pd->bl, target, skill_id, 1))
			return 0;
		if (skill_get_casttype(skill_id) == CAST_NODAMAGE)
			skill_castend_nodamage_id(&pd->bl, target, skill_id, skill_lv, tick, 0);
		else
			skill_castend_damage_id(&pd->bl, target, skill_id, skill_lv, tick,0);
	}

	if (pd->timer != -1) //The above skill casting could had changed the state (Abracadabra?)
		return 0;

	pd->skillid = pd->skilllv = 0;
	delaytime = skill_delayfix(&pd->bl,skill_id, skill_lv, 0);
	if (delaytime < MIN_PETTHINKTIME)
		delaytime = status_get_adelay(&pd->bl);
	pd->attackabletime = tick + delaytime;
	if (pd->target_id)
	{	//Resume attacking
		pd->state.state=MS_ATTACK;
		pd->timer=add_timer(pd->attackabletime,pet_timer,pd->bl.id,0);
	}

	return 0;
}

/*==========================================
 *
 *------------------------------------------
 */
static int pet_walk(struct pet_data *pd,unsigned int tick,int data)
{
	int i;
	int x,y,dx,dy;

	nullpo_retr(0, pd);

	pd->state.state=MS_IDLE;
	if(pd->walkpath.path_pos >= pd->walkpath.path_len || pd->walkpath.path_pos != data)
		return 0;

	pd->walkpath.path_half ^= 1;
	if(pd->walkpath.path_half==0){
		pd->walkpath.path_pos++;
		if(pd->state.change_walk_target){
			pet_walktoxy_sub(pd);
			return 0;
		}
	}
	else {
		if(pd->walkpath.path[pd->walkpath.path_pos] >= 8)
			return 1;

		x = pd->bl.x;
		y = pd->bl.y;

		pd->dir=pd->walkpath.path[pd->walkpath.path_pos];
		dx = dirx[pd->dir];
		dy = diry[pd->dir];

		if(map_getcell(pd->bl.m,x+dx,y+dy,CELL_CHKNOPASS)){
			pet_walktoxy_sub(pd);
			return 0;
		}

		pd->state.state=MS_WALK;
		map_foreachinmovearea(clif_petoutsight,pd->bl.m,x-AREA_SIZE,y-AREA_SIZE,x+AREA_SIZE,y+AREA_SIZE,dx,dy,BL_PC,pd);

		x += dx;
		y += dy;
		map_moveblock(&pd->bl, x, y, tick);

		map_foreachinmovearea(clif_petinsight,pd->bl.m,x-AREA_SIZE,y-AREA_SIZE,x+AREA_SIZE,y+AREA_SIZE,-dx,-dy,BL_PC,pd);
		pd->state.state=MS_IDLE;
	}
	if((i=calc_next_walk_step(pd))>0){
		i = i>>1;
		if(i < 1 && pd->walkpath.path_half == 0)
			i = 1;
		pd->timer=add_timer(tick+i,pet_timer,pd->bl.id,pd->walkpath.path_pos);
		pd->state.state=MS_WALK;

		if(pd->walkpath.path_pos >= pd->walkpath.path_len)
			clif_fixpetpos(pd);
	}
	return 0;
}

int pet_stopattack(struct pet_data *pd)
{
	nullpo_retr(0, pd);

	Assert((pd->msd == 0) || (pd->msd->pd == pd));

	pd->target_id=0;
	if(pd->state.state == MS_ATTACK)
		pet_changestate(pd,MS_IDLE,0);

	return 0;
}

int pet_target_check(struct map_session_data *sd,struct block_list *bl,int type)
{
	struct pet_data *pd;
	int rate;

	pd = sd->pd;
	
	Assert((pd->msd == 0) || (pd->msd->pd == pd));

	if(bl == NULL || bl->type != BL_MOB || bl->prev == NULL ||
		sd->pet.intimate < battle_config.pet_support_min_friendly ||
		sd->pet.hungry < 1 ||
		pd->class_ == status_get_class(bl) ||
		pd->state.state == MS_DELAY)
		return 0;

	if(pd->bl.m != bl->m ||
		!check_distance_bl(&pd->bl, bl, pd->db->range2))
		return 0;

	if (!status_check_skilluse(&pd->bl, bl, 0, 0))
		return 0;

	if(!type) {
		rate = sd->petDB->attack_rate;
		rate = rate * pd->rate_fix/1000;
		if(sd->petDB->attack_rate > 0 && rate <= 0)
			rate = 1;
	} else {
		rate = sd->petDB->defence_attack_rate;
		rate = rate * pd->rate_fix/1000;
		if(sd->petDB->defence_attack_rate > 0 && rate <= 0)
			rate = 1;
	}
	if(rand()%10000 < rate) 
	{
		if(pd->target_id == 0 || rand()%10000 < sd->petDB->change_target_rate)
			pd->target_id = bl->id;
	}

	return 0;
}
/*==========================================
 * Pet SC Check [Skotlex]
 *------------------------------------------
 */
int pet_sc_check(struct map_session_data *sd, int type)
{	
	struct pet_data *pd;

	nullpo_retr(0, sd);
	pd = sd->pd;

	if (pd == NULL ||
		(battle_config.pet_equip_required && pd->equip == 0) ||
		pd->recovery == NULL ||
		pd->recovery->timer != -1 ||
		pd->recovery->type != type)
		return 1;

	pd->recovery->timer = add_timer(gettick()+pd->recovery->delay*1000,pet_recovery_timer,sd->bl.id,0);
	
	return 0;
}

int pet_changestate(struct pet_data *pd,int state,int type)
{
	unsigned int tick;
	int i;

	nullpo_retr(0, pd);

	Assert((pd->msd == 0) || (pd->msd->pd == pd));

	if (pd->state.casting_flag)
		skill_castcancel(&pd->bl, 0);
	if(pd->timer != -1)
		delete_timer(pd->timer,pet_timer);
	pd->timer=-1;
	pd->state.state=state;

	switch(state) {
		case MS_WALK:
			if((i=calc_next_walk_step(pd)) > 0){
				i = i>>2;
				pd->timer=add_timer(gettick()+i,pet_timer,pd->bl.id,0);
			} else
				pd->state.state=MS_IDLE;
			break;
		case MS_ATTACK:
			tick = gettick();
			i=DIFF_TICK(pd->attackabletime,tick);
			if(i>0 && i<2000)
				pd->timer=add_timer(pd->attackabletime,pet_timer,pd->bl.id,0);
			else
				pd->timer=add_timer(tick+1,pet_timer,pd->bl.id,0);
			break;
		case MS_DELAY:
				pd->timer=add_timer(gettick()+type,pet_timer,pd->bl.id,0);
			break;
	}

	return 0;
}

static int pet_timer(int tid,unsigned int tick,int id,int data)
{
	struct pet_data *pd;

	pd=(struct pet_data*)map_id2bl(id);
	if(pd == NULL || pd->bl.type != BL_PET)
		return 1;

	Assert((pd->msd == 0) || (pd->msd->pd == pd));

	if(pd->timer != tid){
		if(battle_config.error_log)
			ShowError("pet_timer %d != %d\n",pd->timer,tid);
		return 0;
	}
	pd->timer=-1;

	if(pd->bl.prev == NULL)
		return 1;

	switch(pd->state.state){
		case MS_WALK:
			pet_walk(pd,tick,data);
			break;
		case MS_ATTACK:
			if (pd->msd == NULL) //Is this even possible?
				break;
			if (pc_isdead(pd->msd))
			{	//Stop attacking when master died.
				pet_stopattack(pd);
				break;
			}
			if (pd->state.casting_flag) 
			{	//There is a skill being cast.
				petskill_castend(pd, tick, data);
				break;
			}
			if (battle_config.pet_status_support &&
				pd->a_skill &&
				(!battle_config.pet_equip_required || pd->equip > 0) &&
				(rand()%100 < (pd->a_skill->rate +pd->msd->pet.intimate*pd->a_skill->bonusrate/1000))
				)
			{	//Skotlex: Use pet's skill 
				pet_attackskill(pd,tick,data);
				break;
			}
			pet_attack(pd,tick,data);
			break;
		case MS_DELAY:
			pet_changestate(pd,MS_IDLE,0);
			break;
		default:
			if(battle_config.error_log)
				ShowError("pet_timer : %d ?\n",pd->state.state);
			break;
	}

	return 0;
}

static int pet_walktoxy_sub(struct pet_data *pd)
{
	struct walkpath_data wpd;

	nullpo_retr(0, pd);

	Assert((pd->msd == 0) || (pd->msd->pd == pd));

	if(path_search(&wpd,pd->bl.m,pd->bl.x,pd->bl.y,pd->to_x,pd->to_y,0))
		return 1;
	memcpy(&pd->walkpath,&wpd,sizeof(wpd));

	pd->state.change_walk_target=0;
	pet_changestate(pd,MS_WALK,0);
	clif_movepet(pd);
//	if(battle_config.etc_log)
//		printf("walkstart\n");

	return 0;
}

int pet_walktoxy(struct pet_data *pd,int x,int y)
{
	struct walkpath_data wpd;

	nullpo_retr(0, pd);

	Assert((pd->msd == 0) || (pd->msd->pd == pd));

	if(pd->state.state == MS_WALK && path_search(&wpd,pd->bl.m,pd->bl.x,pd->bl.y,x,y,0))
		return 1;

	pd->to_x=x;
	pd->to_y=y;

	if(pd->state.state == MS_WALK) {
		pd->state.change_walk_target=1;
	} else {
		return pet_walktoxy_sub(pd);
	}

	return 0;
}

int pet_stop_walking(struct pet_data *pd,int type)
{
	nullpo_retr(0, pd);

	Assert((pd->msd == 0) || (pd->msd->pd == pd));

	if(pd->state.state == MS_WALK || pd->state.state == MS_IDLE) {
		pd->walkpath.path_len=0;
		pd->to_x=pd->bl.x;
		pd->to_y=pd->bl.y;
	}
	if(type&0x01)
		clif_fixpetpos(pd);
	if(type&~0xff)
		pet_changestate(pd,MS_DELAY,type>>8);
	else
		pet_changestate(pd,MS_IDLE,0);

	return 0;
}

static int pet_hungry(int tid,unsigned int tick,int id,int data)
{
	struct map_session_data *sd;
	int interval,t;


	sd=map_id2sd(id);
	if(sd==NULL)
		return 1;

	Assert((sd->status.pet_id == 0 || sd->pd == 0) || sd->pd->msd == sd); 

	if(sd->pet_hungry_timer != tid){
		if(battle_config.error_log)
			ShowError("pet_hungry_timer %d != %d\n",sd->pet_hungry_timer,tid);
		return 0;
	}
	sd->pet_hungry_timer = -1;
	if(!sd->status.pet_id || !sd->pd || !sd->petDB)
		return 1;

	sd->pet.hungry--;
	t = sd->pet.intimate;
	if(sd->pet.hungry < 0) {
		if(sd->pd->target_id > 0)
			pet_stopattack(sd->pd);
		sd->pet.hungry = 0;
		sd->pet.intimate -= battle_config.pet_hungry_friendly_decrease;
		if(sd->pet.intimate <= 0) {
			sd->pet.intimate = 0;
			if(battle_config.pet_status_support && t > 0) {
				if(sd->bl.prev != NULL)
					status_calc_pc(sd,0);
				else
					status_calc_pc(sd,2);
			}
		}
		status_calc_pet(sd, 0);
		clif_send_petdata(sd,1,sd->pet.intimate);
	}
	clif_send_petdata(sd,2,sd->pet.hungry);

	if(battle_config.pet_hungry_delay_rate != 100)
		interval = (sd->petDB->hungry_delay*battle_config.pet_hungry_delay_rate)/100;
	else
		interval = sd->petDB->hungry_delay;
	if(interval <= 0)
		interval = 1;
	sd->pet_hungry_timer = add_timer(tick+interval,pet_hungry,sd->bl.id,0);

	return 0;
}

int search_petDB_index(int key,int type)
{
	int i;

	for(i=0;i<MAX_PET_DB;i++) {
		if(pet_db[i].class_ <= 0)
			continue;
		switch(type) {
			case PET_CLASS:
				if(pet_db[i].class_ == key)
					return i;
				break;
			case PET_CATCH:
				if(pet_db[i].itemID == key)
					return i;
				break;
			case PET_EGG:
				if(pet_db[i].EggID == key)
					return i;
				break;
			case PET_EQUIP:
				if(pet_db[i].AcceID == key)
					return i;
				break;
			case PET_FOOD:
				if(pet_db[i].FoodID == key)
					return i;
				break;
			default:
				return -1;
		}
	}
	return -1;
}

int pet_hungry_timer_delete(struct map_session_data *sd)
{
	nullpo_retr(0, sd);

	if(sd->pet_hungry_timer != -1) {
		delete_timer(sd->pet_hungry_timer,pet_hungry);
		sd->pet_hungry_timer = -1;
	}

	return 0;
}

int pet_remove_map(struct map_session_data *sd)
{
	nullpo_retr(0, sd);

	Assert((sd->status.pet_id == 0 || sd->pd == 0) || sd->pd->msd == sd); 

	if(sd->status.pet_id && sd->pd) {

		struct pet_data *pd=sd->pd; // [Valaris]
		skill_cleartimerskill(&pd->bl); //Just in case pets get a timer-based skill.
		//[Skotlex] clear bonus data
		if (pd->status)
		{
			aFree(pd->status);
			pd->status = NULL;
		}
		if (pd->a_skill)
		{
			aFree(pd->a_skill);
			pd->a_skill = NULL;
		}
		if (pd->s_skill)
		{
			if (pd->s_skill->timer != -1)
			{
				if (sd->pd->s_skill->id)
					delete_timer(sd->pd->s_skill->timer, pet_skill_support_timer);
				else
					delete_timer(sd->pd->s_skill->timer, pet_heal_timer);
			}
			aFree(pd->s_skill);
			pd->s_skill = NULL;
		}
		if(pd->recovery)
		{
			if(pd->recovery->timer != -1)
				delete_timer(pd->recovery->timer, pet_recovery_timer);
			aFree(pd->recovery);
			pd->recovery = NULL;
		}
		if(pd->bonus)
		{
			if (pd->bonus->timer != -1)
				delete_timer(pd->bonus->timer, pet_skill_bonus_timer);
			aFree(pd->bonus);
			pd->bonus = NULL;
		}
		if (pd->loot)
		{
			if (pd->loot->item)
				aFree(pd->loot->item);
		//	if (pd->loot->timer != -1)
		//		delete_timer(pd->loot->timer, pet_loot_timer);
			aFree (pd->loot);
			pd->loot = NULL;
		}
		pd->state.skillbonus=-1;
		if(sd->state.perfect_hiding) sd->state.perfect_hiding=0;	// end additions

		pet_changestate(sd->pd,MS_IDLE,0);
		if(sd->pet_hungry_timer != -1)
			pet_hungry_timer_delete(sd);
		clif_clearchar_area(&sd->pd->bl,0);
		map_delblock(&sd->pd->bl);
		map_deliddb(&sd->pd->bl);
		aFree(sd->pd);
		sd->pd = NULL;
	}
	return 0;
}
struct delay_item_drop {
	int m,x,y;
	int nameid,amount;
	struct map_session_data *first_sd,*second_sd,*third_sd;
};

struct delay_item_drop2 {
	int m,x,y;
	struct item item_data;
	struct map_session_data *first_sd,*second_sd,*third_sd;
};

int pet_performance(struct map_session_data *sd)
{
	struct pet_data *pd;

	nullpo_retr(0, sd);
	nullpo_retr(0, pd=sd->pd);

	Assert((sd->status.pet_id == 0 || sd->pd == 0) || sd->pd->msd == sd); 

	pet_stop_walking(pd,2000<<8);
	clif_pet_performance(&pd->bl,rand()%pet_performance_val(sd) + 1);
	// ���[�g����Item�𗎂Ƃ�����
	pet_lootitem_drop(pd,NULL);

	return 0;
}

int pet_return_egg(struct map_session_data *sd)
{
	struct item tmp_item;
	int flag;

	nullpo_retr(0, sd);

	Assert((sd->status.pet_id == 0 || sd->pd == 0) || sd->pd->msd == sd); 

	if(sd->status.pet_id && sd->pd) {
		// ���[�g����Item�𗎂Ƃ�����
		pet_lootitem_drop(sd->pd,sd);
		pet_remove_map(sd);
		sd->status.pet_id = 0;
		sd->pd = NULL;

		if(sd->petDB == NULL)
			return 1;
		memset(&tmp_item,0,sizeof(tmp_item));
		tmp_item.nameid = sd->petDB->EggID;
		tmp_item.identify = 1;
		tmp_item.card[0] = (short)0xff00;
		tmp_item.card[1] = GetWord(sd->pet.pet_id,0);
		tmp_item.card[2] = GetWord(sd->pet.pet_id,1);
		tmp_item.card[3] = sd->pet.rename_flag;
		if((flag = pc_additem(sd,&tmp_item,1))) {
			clif_additem(sd,0,0,flag);
			map_addflooritem(&tmp_item,1,sd->bl.m,sd->bl.x,sd->bl.y,NULL,NULL,NULL,0);
		}
		sd->pet.incuvate = 1;
		if(battle_config.pet_status_support && sd->pet.intimate > 0) {
			if(sd->bl.prev != NULL)
				status_calc_pc(sd,0);
			else
				status_calc_pc(sd,2);
		}

		intif_save_petdata(sd->status.account_id,&sd->pet);
		chrif_save(sd,0); //FIXME: Do we really need to save the char when returning to pet? Seems like a waste, and unexploitable as the pet data is just moved to an item in the inventory. [Skotlex]

		sd->pet.rename_flag = 0; //Prevents future captured pets from starting as "beloved" [Skotlex]
		sd->petDB = NULL;
	}

	return 0;
}

int pet_data_init(struct map_session_data *sd)
{
	struct pet_data *pd;
	int i=0,interval=0;

	nullpo_retr(1, sd);

	Assert((sd->status.pet_id == 0 || sd->pd == 0) || sd->pd->msd == sd); 

	if(sd->status.account_id != sd->pet.account_id || sd->status.char_id != sd->pet.char_id ||
		sd->status.pet_id != sd->pet.pet_id) {
		sd->status.pet_id = 0;
		return 1;
	}

	i = search_petDB_index(sd->pet.class_,PET_CLASS);
	if(i < 0) {
		sd->status.pet_id = 0;
		return 1;
	}
	sd->petDB = &pet_db[i];
	sd->pd = pd = (struct pet_data *)aCalloc(1,sizeof(struct pet_data));
	pd->bl.m = sd->bl.m;
	pd->bl.x = pd->to_x = sd->bl.x;
	pd->bl.y = pd->to_y = sd->bl.y;
	pet_calc_pos(pd,sd->bl.x,sd->bl.y,sd->dir);
	pd->bl.x = pd->to_x;
	pd->bl.y = pd->to_y;
	pd->bl.id = npc_get_new_npc_id();
	memcpy(pd->name, sd->pet.name, NAME_LENGTH-1);
	pd->class_ = sd->pet.class_;
	pd->db = mob_db(pd->class_);
	pd->equip = sd->pet.equip;
	pd->dir = sd->dir;
	pd->speed = sd->petDB->speed;
	pd->bl.subtype = MONS;
	pd->bl.type = BL_PET;
	pd->state.state = MS_IDLE;
	pd->timer = -1;
	pd->next_walktime = pd->attackabletime = pd->last_thinktime = gettick();
	pd->msd = sd;

	map_addiddb(&pd->bl);

	// initialise
	if (battle_config.pet_lv_rate)	//[Skotlex]
		pd->status = (struct pet_status *) aCalloc(1,sizeof(struct pet_status));

	status_calc_pet(sd,1);

	pd->state.skillbonus = -1;
	if (battle_config.pet_status_support) //Skotlex
		run_script(pet_db[i].script,0,sd->bl.id,0);

	for(i=0;i<MAX_MOBSKILLTIMERSKILL;i++)
		pd->skilltimerskill[i].timer = -1;

	if(sd->pet_hungry_timer != -1)
		pet_hungry_timer_delete(sd);
	if(battle_config.pet_hungry_delay_rate != 100)
		interval = (sd->petDB->hungry_delay*battle_config.pet_hungry_delay_rate)/100;
	else
		interval = sd->petDB->hungry_delay;
	if(interval <= 0)
		interval = 1;
	sd->pet_hungry_timer = add_timer(gettick()+interval,pet_hungry,sd->bl.id,0);
	return 0;
}

int pet_birth_process(struct map_session_data *sd)
{
	nullpo_retr(1, sd);

	Assert((sd->status.pet_id == 0 || sd->pd == 0) || sd->pd->msd == sd); 

	if(sd->status.pet_id && sd->pet.incuvate == 1) {
		sd->status.pet_id = 0;
		return 1;
	}

	sd->pet.incuvate = 0;
	sd->pet.account_id = sd->status.account_id;
	sd->pet.char_id = sd->status.char_id;
	sd->status.pet_id = sd->pet.pet_id;
	if(pet_data_init(sd)) {
		sd->status.pet_id = 0;
		sd->pet.incuvate = 1;
		sd->pet.account_id = 0;
		sd->pet.char_id = 0;
		return 1;
	}

	intif_save_petdata(sd->status.account_id,&sd->pet);
	chrif_save(sd,0); //FIXME: As before, is it REALLY Needed to save the char for hatching a pet? [Skotlex]

	map_addblock(&sd->pd->bl);
	clif_spawnpet(sd->pd);
	clif_send_petdata(sd,0,0);
	clif_send_petdata(sd,5,battle_config.pet_hair_style);
	clif_pet_equip(sd->pd,sd->pet.equip);
	clif_send_petstatus(sd);

	Assert((sd->status.pet_id == 0 || sd->pd == 0) || sd->pd->msd == sd); 

	return 0;
}

int pet_recv_petdata(int account_id,struct s_pet *p,int flag)
{
	struct map_session_data *sd;

	sd = map_id2sd(account_id);
	if(sd == NULL)
		return 1;
	if(flag == 1) {
		sd->status.pet_id = 0;
		return 1;
	}
	memcpy(&sd->pet,p,sizeof(struct s_pet));
	if(sd->pet.incuvate == 1) {
		if (!pet_birth_process(sd))
	  	{
			int i;
			//Delete egg from inventory. [Skotlex]
			for (i = 0; i < MAX_INVENTORY; i++) {
				if(sd->status.inventory[i].card[0] == (short)0xff00 &&
					p->pet_id == MakeDWord(sd->status.inventory[i].card[1], sd->status.inventory[i].card[2]))
			  	{
					pc_delitem(sd,i,1,0);
					break;
				}
			}
			if(i >= MAX_INVENTORY && battle_config.error_log)
				ShowError("pet_recv_petdata: Hatched pet (%d:%s), but couldn't find egg in inventory for removal!\n",p->pet_id, p->name);
		}
	} else {
		pet_data_init(sd);
		if(sd->pd && sd->bl.prev != NULL) {
			map_addblock(&sd->pd->bl);
			clif_spawnpet(sd->pd);
			clif_send_petdata(sd,0,0);
			clif_send_petdata(sd,5,battle_config.pet_hair_style);
//			clif_pet_equip(sd->pd,sd->pet.equip);
			clif_send_petstatus(sd);
		}
	}
	if(battle_config.pet_status_support && sd->pet.intimate > 0) {
		if(sd->bl.prev != NULL)
			status_calc_pc(sd,0);
		else
			status_calc_pc(sd,2);
	}

	return 0;
}

int pet_select_egg(struct map_session_data *sd,short egg_index)
{
	nullpo_retr(0, sd);

	if(egg_index < 0 || egg_index >= MAX_INVENTORY)
		return 0; //Forged packet!

	if(sd->status.inventory[egg_index].card[0] == (short)0xff00)
		intif_request_petdata(sd->status.account_id, sd->status.char_id, MakeDWord(sd->status.inventory[egg_index].card[1], sd->status.inventory[egg_index].card[2]) );
	else {
		if(battle_config.error_log)
			ShowError("wrong egg item inventory %d\n",egg_index);
	}
	return 0;
}

int pet_catch_process1(struct map_session_data *sd,int target_class)
{
	nullpo_retr(0, sd);

	sd->catch_target_class = target_class;
	clif_catch_process(sd);

	return 0;
}

int pet_catch_process2(struct map_session_data *sd,int target_id)
{
	struct mob_data *md;
	int i=0,pet_catch_rate=0;

	nullpo_retr(1, sd);

	md=(struct mob_data*)map_id2bl(target_id);
	if(!md || md->bl.type != BL_MOB || md->bl.prev == NULL){
		//Abort capture.
		sd->catch_target_class = -1;
		sd->itemid = sd->itemindex = -1;
		return 1;
	}
	
	if (sd->itemid > 0)
	{	//Consume the pet lure [Skotlex]
		if ((i = sd->itemindex) == -1 ||
			sd->status.inventory[i].nameid != sd->itemid ||
			!sd->inventory_data[i]->flag.delay_consume ||
			sd->status.inventory[i].amount < 1	
			)
		{	//Something went wrong, items moved or they tried an exploit.
			clif_pet_rulet(sd,0);
			sd->catch_target_class = -1;
			return 1;
		}
		//Delete the item
		sd->itemid = sd->itemindex = -1;
		pc_delitem(sd,i,1,0);
	}

	i = search_petDB_index(md->class_,PET_CLASS);
	//catch_target_class == 0 is used for universal lures. [Skotlex]
	//for now universal lures do not include bosses.
	if (sd->catch_target_class == 0 && !(md->db->mode&0x20))
		sd->catch_target_class = md->class_;
	if(i < 0 || sd->catch_target_class != md->class_) {
		clif_emotion(&md->bl, 7);	//mob will do /ag if wrong lure is used on them.
		clif_pet_rulet(sd,0);
		sd->catch_target_class = -1;
		return 1;
	}

	//target_id�ɂ��G��������
//	if(battle_config.etc_log)
//		printf("mob_id = %d, mob_class = %d\n",md->bl.id,md->class_);
		//�����̏ꍇ
	pet_catch_rate = (pet_db[i].capture + (sd->status.base_level - md->db->lv)*30 + sd->paramc[5]*20)*(200 - md->hp*100/md->db->max_hp)/100;
	if(pet_catch_rate < 1) pet_catch_rate = 1;
	if(battle_config.pet_catch_rate != 100)
		pet_catch_rate = (pet_catch_rate*battle_config.pet_catch_rate)/100;

	if(rand()%10000 < pet_catch_rate) {
		mob_remove_map(md,0);
		mob_setdelayspawn(md->bl.id);
		clif_pet_rulet(sd,1);
//		if(battle_config.etc_log)
//			printf("rulet success %d\n",target_id);
		intif_create_pet(sd->status.account_id,sd->status.char_id,pet_db[i].class_,mob_db(pet_db[i].class_)->lv,
			pet_db[i].EggID,0,pet_db[i].intimate,100,0,1,pet_db[i].jname);
	}
	else
	{
		sd->catch_target_class = -1;
		clif_pet_rulet(sd,0);
	}

	return 0;
}

int pet_get_egg(int account_id,int pet_id,int flag)
{	//This function is invoked when a new pet has been created, and at no other time!
	struct map_session_data *sd;
	struct item tmp_item;
	int i=0,ret=0;

	if(!flag) {
		sd = map_id2sd(account_id);
		if(sd == NULL)
			return 1;

		i = search_petDB_index(sd->catch_target_class,PET_CLASS);
		sd->catch_target_class = -1;
		
		if(i >= 0) {
			memset(&tmp_item,0,sizeof(tmp_item));
			tmp_item.nameid = pet_db[i].EggID;
			tmp_item.identify = 1;
			tmp_item.card[0] = (short)0xff00;
			tmp_item.card[1] = GetWord(pet_id,0);
			tmp_item.card[2] = GetWord(pet_id,1);
			tmp_item.card[3] = 0; //New pets are not named.
			if((ret = pc_additem(sd,&tmp_item,1))) {
				clif_additem(sd,0,0,ret);
				map_addflooritem(&tmp_item,1,sd->bl.m,sd->bl.x,sd->bl.y,NULL,NULL,NULL,0);
			}
		}
		else
			intif_delete_petdata(pet_id);
	}

	return 0;
}

int pet_menu(struct map_session_data *sd,int menunum)
{
	nullpo_retr(0, sd);
	if (sd->pd == NULL)
		return 1;
	
	switch(menunum) {
		case 0:
			clif_send_petstatus(sd);
			break;
		case 1:
			pet_food(sd);
			break;
		case 2:
			pet_performance(sd);
			break;
		case 3:
			pet_return_egg(sd);
			break;
		case 4:
			pet_unequipitem(sd);
			break;
	}
	return 0;
}

int pet_change_name(struct map_session_data *sd,char *name)
{
	int i;
	
	nullpo_retr(1, sd);

	if((sd->pd == NULL) || (sd->pet.rename_flag == 1 && battle_config.pet_rename == 0))
		return 1;

	for(i=0;i<NAME_LENGTH && name[i];i++){
		if( !(name[i]&0xe0) || name[i]==0x7f)
			return 1;
	}

	pet_stop_walking(sd->pd,1);
	
	memcpy(sd->pet.name, name, NAME_LENGTH-1);
	memcpy(sd->pd->name, name, NAME_LENGTH-1);
	
	clif_clearchar_area(&sd->pd->bl,0);
	clif_spawnpet(sd->pd);
	clif_send_petdata(sd,0,0);
	clif_send_petdata(sd,5,battle_config.pet_hair_style);
	sd->pet.rename_flag = 1;
	clif_pet_equip(sd->pd,sd->pet.equip);
	clif_send_petstatus(sd);

	return 0;
}

int pet_equipitem(struct map_session_data *sd,int index)
{
	int nameid;

	nullpo_retr(1, sd);

	nameid = sd->status.inventory[index].nameid;
	if(sd->petDB == NULL)
		return 1;
	if(sd->petDB->AcceID == 0 || nameid != sd->petDB->AcceID || sd->pet.equip != 0) {
		clif_equipitemack(sd,0,0,0);
		return 1;
	}
	else {
		pc_delitem(sd,index,1,0);
		sd->pet.equip = sd->pd->equip = nameid;
		status_calc_pc(sd,0);
		clif_pet_equip(sd->pd,nameid);
		if (battle_config.pet_equip_required)
		{ 	//Skotlex: start support timers if needd
			if (sd->pd->s_skill && sd->pd->s_skill->timer == -1)
			{
				if (sd->pd->s_skill->id)
					sd->pd->s_skill->timer=add_timer(gettick()+sd->pd->s_skill->delay*1000, pet_skill_support_timer, sd->bl.id, 0);
				else
					sd->pd->s_skill->timer=add_timer(gettick()+sd->pd->s_skill->delay*1000, pet_heal_timer, sd->bl.id, 0);
			}
			if (sd->pd->bonus && sd->pd->bonus->timer == -1)
				sd->pd->bonus->timer=add_timer(gettick()+sd->pd->bonus->delay*1000, pet_skill_bonus_timer, sd->bl.id, 0);
		}
	}

	return 0;
}

int pet_unequipitem(struct map_session_data *sd)
{
	struct item tmp_item;
	int nameid,flag;

	nullpo_retr(1, sd);

	if(sd->petDB == NULL)
		return 1;
	if(sd->pet.equip == 0)
		return 1;

	nameid = sd->pet.equip;
	sd->pet.equip = sd->pd->equip = 0;
	status_calc_pc(sd,0);
	clif_pet_equip(sd->pd,0);
	memset(&tmp_item,0,sizeof(tmp_item));
	tmp_item.nameid = nameid;
	tmp_item.identify = 1;
	if((flag = pc_additem(sd,&tmp_item,1))) {
		clif_additem(sd,0,0,flag);
		map_addflooritem(&tmp_item,1,sd->bl.m,sd->bl.x,sd->bl.y,NULL,NULL,NULL,0);
	}
	if (battle_config.pet_equip_required)
	{ 	//Skotlex: halt support timers if needed
		if (sd->pd->s_skill && sd->pd->s_skill->timer != -1)
		{
			if (sd->pd->s_skill->id)
				delete_timer(sd->pd->s_skill->timer, pet_skill_support_timer);
			else
				delete_timer(sd->pd->s_skill->timer, pet_heal_timer);
			sd->pd->s_skill->timer = -1;
		}
		if (sd->pd->bonus && sd->pd->bonus->timer != -1)
		{
			delete_timer(sd->pd->bonus->timer, pet_skill_bonus_timer);
			sd->pd->bonus->timer = -1;
		}
	}

	return 0;
}

int pet_food(struct map_session_data *sd)
{
	int i,k,t;

	nullpo_retr(1, sd);

	Assert((sd->status.pet_id == 0 || sd->pd == 0) || sd->pd->msd == sd); 

	if(sd->petDB == NULL)
		return 1;
	i=pc_search_inventory(sd,sd->petDB->FoodID);
	if(i < 0) {
		clif_pet_food(sd,sd->petDB->FoodID,0);
		return 1;
	}
	pc_delitem(sd,i,1,0);
	t = sd->pet.intimate;
	if(sd->pet.hungry > 90)
		sd->pet.intimate -= sd->petDB->r_full;
	else if(sd->pet.hungry > 75) {
		if(battle_config.pet_friendly_rate != 100)
			k = (sd->petDB->r_hungry * battle_config.pet_friendly_rate)/100;
		else
			k = sd->petDB->r_hungry;
		k = k >> 1;
		if(k <= 0)
			k = 1;
		sd->pet.intimate += k;
	}
	else {
		if(battle_config.pet_friendly_rate != 100)
			k = (sd->petDB->r_hungry * battle_config.pet_friendly_rate)/100;
		else
			k = sd->petDB->r_hungry;
		sd->pet.intimate += k;
	}
	if(sd->pet.intimate <= 0) {
		sd->pet.intimate = 0;
		if(battle_config.pet_status_support && t > 0) {
			if(sd->bl.prev != NULL)
				status_calc_pc(sd,0);
			else
				status_calc_pc(sd,2);
		}
	}
	else if(sd->pet.intimate > 1000)
		sd->pet.intimate = 1000;
	status_calc_pet(sd, 0);
	sd->pet.hungry += sd->petDB->fullness;
	if(sd->pet.hungry > 100)
		sd->pet.hungry = 100;

	clif_send_petdata(sd,2,sd->pet.hungry);
	clif_send_petdata(sd,1,sd->pet.intimate);
	clif_pet_food(sd,sd->petDB->FoodID,1);

	return 0;
}

static int pet_randomwalk(struct pet_data *pd,int tick)
{
	const int retrycount=20;
	int speed;

	nullpo_retr(0, pd);

	Assert((pd->msd == 0) || (pd->msd->pd == pd));

	speed = status_get_speed(&pd->bl);

	if(DIFF_TICK(pd->next_walktime,tick) < 0){
		int i,x,y,c,d=12-pd->move_fail_count;
		if(d<5) d=5;
		for(i=0;i<retrycount;i++){
			int r=rand();
			x=pd->bl.x+r%(d*2+1)-d;
			y=pd->bl.y+r/(d*2+1)%(d*2+1)-d;
			if((map_getcell(pd->bl.m,x,y,CELL_CHKPASS))&&( pet_walktoxy(pd,x,y)==0)){
				pd->move_fail_count=0;
				break;
			}
			if(i+1>=retrycount){
				pd->move_fail_count++;
				if(pd->move_fail_count>1000){
					if(battle_config.error_log)
						ShowWarning("PET cant move. hold position %d, class = %d\n",pd->bl.id,pd->class_);
					pd->move_fail_count=0;
					pet_changestate(pd,MS_DELAY,60000);
					return 0;
				}
			}
		}
		for(i=c=0;i<pd->walkpath.path_len;i++){
			if(pd->walkpath.path[i]&1)
				c+=speed*14/10;
			else
				c+=speed;
		}
		pd->next_walktime = tick+rand()%3000+3000+c;

		return 1;
	}
	return 0;
}

static int pet_ai_sub_hard(struct pet_data *pd,unsigned int tick)
{
	struct map_session_data *sd = pd->msd;
	struct block_list *bl = NULL;
	int dist,i=0,dx,dy,ret;
	int mode,race;

	nullpo_retr(0, pd);

	sd = pd->msd;

	Assert((sd->status.pet_id == 0 || sd->pd == 0) || sd->pd->msd == sd); 

	if(pd->bl.prev == NULL || sd == NULL || sd->bl.prev == NULL)
		return 0;

	if(DIFF_TICK(tick,pd->last_thinktime) < MIN_PETTHINKTIME)
		return 0;
	pd->last_thinktime=tick;

	if(pd->state.state == MS_DELAY || pd->bl.m != sd->bl.m)
		return 0;
	// �y�b�g�ɂ�郋�[�g
	if(!pd->target_id && pd->loot && pd->loot->count < pd->loot->max && DIFF_TICK(gettick(),pd->loot->timer)>0)
		//Use half the pet's range of sight.
		map_foreachinrange(pet_ai_sub_hard_lootsearch,&pd->bl,
			pd->db->range2/2, BL_ITEM,pd,&i);

	if(sd->pet.intimate > 0) {
		dist = distance_bl(&sd->bl, &pd->bl);
		if(dist > 12) {
			if(pd->target_id > 0)
				pet_unlocktarget(pd);
			if(pd->timer != -1 && pd->state.state == MS_WALK && check_distance_blxy(&sd->bl, pd->to_x, pd->to_y, 3))
				return 0;
			pd->speed = (sd->speed>>1);
			if(pd->speed <= 0)
				pd->speed = 1;
			pet_calc_pos(pd,sd->bl.x,sd->bl.y,sd->dir);
			if(pet_walktoxy(pd,pd->to_x,pd->to_y))
				pet_randomwalk(pd,tick);
		}
		else if(pd->target_id - MAX_FLOORITEM > 0) {	//Mob targeted
			mode=pd->db->mode;
			race=pd->db->race;
			bl= map_id2bl(pd->target_id);
			if(bl == NULL || pd->bl.m != bl->m || bl->prev == NULL ||
				!check_distance_bl(&pd->bl, bl, pd->db->range3))
				pet_unlocktarget(pd);
			else if(!battle_check_range(&pd->bl,bl,pd->db->range) && !pd->state.casting_flag){ //Skotlex Don't interrupt a casting spell when targed moved
				if(pd->timer != -1 && pd->state.state == MS_WALK && check_distance_blxy(bl, pd->to_x, pd->to_y, 2))
					return 0;
				if(!pet_can_reach(pd, bl->x, bl->y))
					pet_unlocktarget(pd);
				else {
					i=0;
					pd->speed = status_get_speed(&pd->bl);
					do {
						if(i==0) {	// �ŏ���AEGIS�Ɠ������@�Ō���
							dx=bl->x - pd->bl.x;
							dy=bl->y - pd->bl.y;
							if(dx<0) dx++;
							else if(dx>0) dx--;
							if(dy<0) dy++;
							else if(dy>0) dy--;
						}
						else {	// ���߂Ȃ�Athena��(�����_��)
							dx=bl->x - pd->bl.x + rand()%3 - 1;
							dy=bl->y - pd->bl.y + rand()%3 - 1;
						}
						ret=pet_walktoxy(pd,pd->bl.x+dx,pd->bl.y+dy);
						i++;
					} while(ret && i<5);

					if(ret) { // �ړ��s�”\�ȏ�����̍U���Ȃ�2������
						if(dx<0) dx=2;
						else if(dx>0) dx=-2;
						if(dy<0) dy=2;
						else if(dy>0) dy=-2;
						pet_walktoxy(pd,pd->bl.x+dx,pd->bl.y+dy);
					}
				}
			}
			else {
				if(pd->state.state==MS_WALK)
					pet_stop_walking(pd,1);
				if(pd->state.state==MS_ATTACK)
					return 0;
				pet_changestate(pd,MS_ATTACK,0);
			}
		}
		else if(pd->target_id > 0 && pd->loot){	//Item Targeted, attempt loot
			struct block_list *bl_item;
			struct flooritem_data *fitem;

			bl_item = map_id2bl(pd->target_id);
			if(bl_item == NULL || bl_item->type != BL_ITEM ||bl_item->m != pd->bl.m ||
				 (dist=distance_bl(&pd->bl, bl_item))>=5){
				 // �������邩�A�C�e�����Ȃ��Ȃ���
 				pet_unlocktarget(pd);
			}
			else if(dist){
				if(pd->timer != -1 && pd->state.state!=MS_ATTACK && (DIFF_TICK(pd->next_walktime,tick)<0 || !check_distance_blxy(bl_item, pd->to_x, pd->to_y, 0)))
					return 0; // ���Ɉړ���

				pd->next_walktime=tick+500;
				dx=bl_item->x - pd->bl.x;
				dy=bl_item->y - pd->bl.y;

				ret=pet_walktoxy(pd,pd->bl.x+dx,pd->bl.y+dy);
			}
			else{	// �A�C�e���܂ł��ǂ蒅����
				fitem = (struct flooritem_data *)bl_item;
				if(pd->state.state==MS_ATTACK)
					return 0; // �U����
				if(pd->state.state==MS_WALK){	// ���s���Ȃ��~
					pet_stop_walking(pd,1);
				}
				if(pd->loot->count < pd->loot->max){
					memcpy(&pd->loot->item[pd->loot->count++],&fitem->item_data,sizeof(pd->loot->item[0]));
					pd->loot->weight += itemdb_search(fitem->item_data.nameid)->weight*fitem->item_data.amount;
					map_clearflooritem(bl_item->id);
					pet_unlocktarget(pd);
				}
				else { //Maxed out on carried items
					pet_unlocktarget(pd);
					return 0;
				}
			}
		}
		else {
			if(dist <= 3 || pd->state.casting_flag || (pd->timer != -1 && pd->state.state == MS_WALK && check_distance_blxy(&sd->bl, pd->to_x,pd->to_y, 3)))
				return 0;
			pd->speed = status_get_speed(&pd->bl);
			pet_calc_pos(pd,sd->bl.x,sd->bl.y,sd->dir);
			if(pet_walktoxy(pd,pd->to_x,pd->to_y))
				pet_randomwalk(pd,tick);
		}
	}
	else {
		pd->speed = status_get_speed(&pd->bl);
		if(pd->state.state == MS_ATTACK)
			pet_stopattack(pd);
		pet_randomwalk(pd,tick);
	}

	return 0;
}

static int pet_ai_sub_foreachclient(struct map_session_data *sd,va_list ap)
{
	unsigned int tick;

	nullpo_retr(0, sd);
	nullpo_retr(0, ap);

	tick=va_arg(ap,unsigned int);
	if(sd->status.pet_id && sd->pd && sd->petDB)
		pet_ai_sub_hard(sd->pd,tick);

	return 0;
}

static int pet_ai_hard(int tid,unsigned int tick,int id,int data)
{
	clif_foreachclient(pet_ai_sub_foreachclient,tick);

	return 0;
}

int pet_ai_sub_hard_lootsearch(struct block_list *bl,va_list ap)
{
	struct pet_data* pd;
	int *itc;

	nullpo_retr(0, bl);
	nullpo_retr(0, ap);
	nullpo_retr(0, pd=va_arg(ap,struct pet_data *));
	nullpo_retr(0, itc=va_arg(ap,int *));

	if(!pd->target_id){
		struct flooritem_data *fitem = (struct flooritem_data *)bl;
		struct map_session_data *sd = NULL;
		// ���[�g������
		if(fitem && fitem->first_get_id>0)
			sd = map_id2sd(fitem->first_get_id);
		// Removed [Valaris]
		//if((pd->lootitem_weight + (itemdb_search(fitem->item_data.))->weight * fitem->item_data.amount) > battle_config.pet_weight)
		//	return 0;

		if(pd->loot == NULL || pd->loot->item == NULL || (pd->loot->count >= pd->loot->max) || (sd && sd->pd != pd))
			return 0;
		if(bl->m == pd->bl.m && check_distance_bl(&pd->bl, bl, 5)){
			if( pet_can_reach(pd,bl->x,bl->y)		// ���B�”\������
				 && rand()%1000<1000/(++(*itc)) ){	// �͈͓�PC�œ��m���ɂ���
				pd->target_id=bl->id;
			}
		}
	}
	return 0;
}
int pet_lootitem_drop(struct pet_data *pd,struct map_session_data *sd)
{
	int i,flag=0;

	if(pd){
		if(pd->loot) {
			for(i=0;i<pd->loot->count;i++) {
				struct delay_item_drop2 *ditem;

				ditem=(struct delay_item_drop2 *)aCalloc(1,sizeof(struct delay_item_drop2));
				memcpy(&ditem->item_data,&pd->loot->item[i],sizeof(pd->loot->item[0]));
				ditem->m = pd->bl.m;
				ditem->x = pd->bl.x;
				ditem->y = pd->bl.y;
				ditem->first_sd = 0;
				ditem->second_sd = 0;
				ditem->third_sd = 0;
				// ���Ƃ��Ȃ��Œ���PC��Item����
				if(sd){
					if((flag = pc_additem(sd,&ditem->item_data,ditem->item_data.amount))){
						clif_additem(sd,0,0,flag);
						map_addflooritem(&ditem->item_data,ditem->item_data.amount,ditem->m,ditem->x,ditem->y,ditem->first_sd,ditem->second_sd,ditem->third_sd,0);
					}
					aFree(ditem);
				}
				else
					add_timer(gettick()+540+i,pet_delay_item_drop2,(int)ditem,0);
			}
			//The smart thing to do is use pd->loot->max (thanks for pointing it out, Shinomori)
			memset(pd->loot->item,0,pd->loot->max * sizeof(struct item));
			pd->loot->count = 0;
			pd->loot->weight = 0;
			pd->loot->timer = gettick()+10000;	//	10*1000ms�̊ԏE��Ȃ�
		}
	}
	return 1;
}

int pet_delay_item_drop2(int tid,unsigned int tick,int id,int data)
{
	struct delay_item_drop2 *ditem;

	ditem=(struct delay_item_drop2 *)id;

	map_addflooritem(&ditem->item_data,ditem->item_data.amount,ditem->m,ditem->x,ditem->y,ditem->first_sd,ditem->second_sd,ditem->third_sd,0);

	aFree(ditem);
	return 0;
}

/*==========================================
 * pet bonus giving skills [Valaris] / Rewritten by [Skotlex]
 *------------------------------------------
 */ 
int pet_skill_bonus_timer(int tid,unsigned int tick,int id,int data)
{
	struct map_session_data *sd=map_id2sd(id);
	struct pet_data *pd;
	int timer = 0;

	if(sd == NULL || sd->pd==NULL || sd->pd->bonus == NULL)
		return 1;
	
	pd=sd->pd;

	if(pd->bonus->timer != tid) {
		if(battle_config.error_log)
		{
			ShowError("pet_skill_bonus_timer %d != %d\n",pd->bonus->timer,tid);
			pd->bonus->timer = -1;
		}
		return 0;
	}
	
	// determine the time for the next timer
	if (pd->state.skillbonus == 0) {
		// pet bonuses are not active at the moment, so,
		pd->state.skillbonus = 1;
		timer = pd->bonus->duration*1000;	// the duration for pet bonuses to be in effect
	} else if (pd->state.skillbonus == 1) {
		// pet bonuses are already active, so,
		pd->state.skillbonus = 0;
		timer = pd->bonus->delay*1000;	// the duration until pet bonuses will be reactivated again
		if (timer <= 0) //Always active bonus
			timer = MIN_PETTHINKTIME; 
	}

	// add/remove our bonuses
	status_calc_pc(sd, 0);

	// wait for the next timer
	pd->bonus->timer=add_timer(tick+timer,pet_skill_bonus_timer,sd->bl.id,0);
	
	return 0;
}

/*==========================================
 * pet recovery skills [Valaris] / Rewritten by [Skotlex]
 *------------------------------------------
 */ 
int pet_recovery_timer(int tid,unsigned int tick,int id,int data)
{
	struct map_session_data *sd=(struct map_session_data*)map_id2bl(id);
	struct pet_data *pd;
	
	if(sd==NULL || sd->pd == NULL || sd->pd->recovery == NULL)
		return 1;
	
	pd=sd->pd;

	if(pd->recovery == NULL || pd->recovery->timer != tid) {
		if(battle_config.error_log)
		{
			if (pd->recovery)
				ShowError("pet_recovery_timer %d != %d\n",pd->recovery->timer,tid);
			else
				ShowError("pet_recovery_timer called with no recovery skill defined (tid=%d)\n",tid);
		}
		return 0;
	}

	if(sd->sc.count && sd->sc.data[pd->recovery->type].timer != -1)
	{	//Display a heal animation? 
		//Detoxify is chosen for now.
		clif_skill_nodamage(&pd->bl,&sd->bl,TF_DETOXIFY,1,1);
		status_change_end(&sd->bl,pd->recovery->type,-1);
		clif_emotion(&pd->bl, 33);
	}

	pd->recovery->timer = -1;
	
	return 0;
}

int pet_heal_timer(int tid,unsigned int tick,int id,int data)
{
	struct map_session_data *sd=(struct map_session_data*)map_id2bl(id);
	struct pet_data *pd;
	short rate = 100;
	
	if(sd==NULL || sd->bl.type!=BL_PC || sd->pd == NULL)
		return 1;
	
	pd=sd->pd;

	if(pd->s_skill == NULL || pd->s_skill->timer != tid) {
		if(battle_config.error_log)
		{
			if (pd->s_skill)
				ShowError("pet_heal_timer %d != %d\n",pd->s_skill->timer,tid);
			else
				ShowError("pet_heal_timer called with no support skill defined (tid=%d)\n",tid);
		}
		return 0;
	}
	
	if(pc_isdead(sd) ||
		(rate = sd->status.sp*100/sd->status.max_sp) > pd->s_skill->sp ||
		(rate = sd->status.hp*100/sd->status.max_hp) > pd->s_skill->hp ||
		(rate = pd->state.casting_flag) || //Another skill is in effect
		(rate = pd->state.state) == MS_WALK) //Better wait until the pet stops moving (MS_WALK is 2)
	{  //Wait (how long? 1 sec for every 10% of remaining)
		pd->s_skill->timer=add_timer(gettick()+(rate>10?rate:10)*100,pet_heal_timer,sd->bl.id,0);
		return 0;
	}

	if (pd->state.state == MS_ATTACK)
			pet_stopattack(pd);
	clif_skill_nodamage(&pd->bl,&sd->bl,AL_HEAL,pd->s_skill->lv,1);
	pc_heal(sd,pd->s_skill->lv,0);
	
	pd->s_skill->timer=add_timer(tick+pd->s_skill->delay*1000,pet_heal_timer,sd->bl.id,0);
	
	return 0;
}

/*==========================================
 * pet support skills [Skotlex]
 *------------------------------------------
 */ 
int pet_skill_support_timer(int tid,unsigned int tick,int id,int data)
{
	struct map_session_data *sd=(struct map_session_data*)map_id2bl(id);
	struct pet_data *pd;
	short rate = 100;	
	if(sd==NULL || sd->bl.type!=BL_PC || sd->pd == NULL)
		return 1;
	
	pd=sd->pd;
	
	if(pd->s_skill == NULL || pd->s_skill->timer != tid) {
		if(battle_config.error_log)
		{
			if (pd->s_skill)
				ShowError("pet_skill_support_timer %d != %d\n",pd->s_skill->timer,tid);
			else
				ShowError("pet_skill_support_timer called with no support skill defined (tid=%d)\n",tid);
		}
		return 0;
	}
	
	if(pc_isdead(sd) ||
		(rate = sd->status.sp*100/sd->status.max_sp) > pd->s_skill->sp ||
		(rate = sd->status.hp*100/sd->status.max_hp) > pd->s_skill->hp ||
		(rate = pd->state.casting_flag) || //Another skill is in effect
		(rate = pd->state.state) == MS_WALK) //Better wait until the pet stops moving (MS_WALK is 2)
	{  //Wait (how long? 1 sec for every 10% of remaining)
		pd->s_skill->timer=add_timer(gettick()+(rate>10?rate:10)*100,pet_skill_support_timer,sd->bl.id,0);
		return 0;
	}
	
	if (pd->state.state == MS_ATTACK)
		pet_stopattack(pd);
	petskill_use(pd, &sd->bl, pd->s_skill->id, pd->s_skill->lv, tick);

	pd->s_skill->timer=add_timer(tick+pd->s_skill->delay*1000,pet_skill_support_timer,sd->bl.id,0);
	
	return 0;
}

/*==========================================
 *�y�b�g�f�[�^�ǂݍ���
 *------------------------------------------
 */ 
int read_petdb()
{
	FILE *fp;
	char line[1024];
	int nameid,i,k; 
	int j=0;
	int lines;
	char *filename[]={"pet_db.txt","pet_db2.txt"};
	char *str[32],*p,*np;


//Remove any previous scripts in case reloaddb was invoked.	
	for(j =0; j < MAX_PET_DB; j++)
		if (pet_db[j].script) {
			aFree(pet_db[j].script);
			pet_db[j].script = NULL;
		}
	j = 0;
	memset(pet_db,0,sizeof(pet_db));
	for(i=0;i<2;i++){
		sprintf(line, "%s/%s", db_path, filename[i]);
		fp=fopen(line,"r");
		if(fp==NULL){
			if(i>0)
				continue;
			ShowError("can't read %s\n",line);
			return -1;
		}
		lines = 0;
		while(fgets(line,1020,fp) && j < MAX_PET_DB){
			
			lines++;

			if(line[0] == '/' && line[1] == '/')
				continue;

			for(k=0,p=line;k<20;k++){
				if((np=strchr(p,','))!=NULL){
					str[k]=p;
					*np=0;
					p=np+1;
				} else {
					str[k]=p;
					p+=strlen(p);
				}
			}

			nameid=atoi(str[0]);
			if(nameid<=0 || nameid>2000)
				continue;
		
			//MobID,Name,JName,ItemID,EggID,AcceID,FoodID,"Fullness (1��̉a�ł̖����x������%)","HungryDeray (/min)","R_Hungry (�󕠎��a���e���x������%)","R_Full (�ƂĂ��������a���e���x������%)","Intimate (�ߊl���e���x%)","Die (���S���e���x������%)","Capture (�ߊl��%)",(Name)
			pet_db[j].class_ = nameid;
			memcpy(pet_db[j].name,str[1],NAME_LENGTH-1);
			memcpy(pet_db[j].jname,str[2],NAME_LENGTH-1);
			pet_db[j].itemID=atoi(str[3]);
			pet_db[j].EggID=atoi(str[4]);
			pet_db[j].AcceID=atoi(str[5]);
			pet_db[j].FoodID=atoi(str[6]);
			pet_db[j].fullness=atoi(str[7]);
			pet_db[j].hungry_delay=atoi(str[8])*1000;
			pet_db[j].r_hungry=atoi(str[9]);
			if(pet_db[j].r_hungry <= 0)
				pet_db[j].r_hungry=1;
			pet_db[j].r_full=atoi(str[10]);
			pet_db[j].intimate=atoi(str[11]);
			pet_db[j].die=atoi(str[12]);
			pet_db[j].capture=atoi(str[13]);
			pet_db[j].speed=atoi(str[14]);
			pet_db[j].s_perfor=(char)atoi(str[15]);
			pet_db[j].talk_convert_class=atoi(str[16]);
			pet_db[j].attack_rate=atoi(str[17]);
			pet_db[j].defence_attack_rate=atoi(str[18]);
			pet_db[j].change_target_rate=atoi(str[19]);
			pet_db[j].script = NULL;
			if((np=strchr(p,'{'))==NULL)
				continue;
			pet_db[j].script = parse_script((unsigned char *) np,lines);
			j++;
		}
		if (j >= MAX_PET_DB)
			ShowWarning("read_petdb: Reached max number of pets [%d]. Remaining pets were not read.\n ", MAX_PET_DB);
		fclose(fp);
		ShowStatus("Done reading '"CL_WHITE"%d"CL_RESET"' pets in '"CL_WHITE"%s"CL_RESET"'.\n",j,filename[i]);
	}
	return 0;
}

/*==========================================
 * �X�L���֌W����������
 *------------------------------------------
 */
int do_init_pet(void)
{
	memset(pet_db,0,sizeof(pet_db));
	read_petdb();

	add_timer_func_list(pet_timer,"pet_timer");
	add_timer_func_list(pet_hungry,"pet_hungry");
	add_timer_func_list(pet_ai_hard,"pet_ai_hard");
	add_timer_func_list(pet_skill_bonus_timer,"pet_skill_bonus_timer"); // [Valaris]
	add_timer_func_list(pet_delay_item_drop2,"pet_delay_item_drop2");	
	add_timer_func_list(pet_skill_support_timer, "pet_skill_support_timer"); // [Skotlex]
	add_timer_func_list(pet_recovery_timer,"pet_recovery_timer"); // [Valaris]
	add_timer_func_list(pet_heal_timer,"pet_heal_timer"); // [Valaris]
	add_timer_interval(gettick()+MIN_PETTHINKTIME,pet_ai_hard,0,0,MIN_PETTHINKTIME);

	return 0;
}

int do_final_pet(void) {
	int i;
	for(i = 0;i < MAX_PET_DB; i++) {
		if(pet_db[i].script) {
			aFree(pet_db[i].script);
			pet_db[i].script = NULL;
		}
	}
	return 0;
}