/src/map/intif.c

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/**
 * This file is part of Hercules.
 * http://herc.ws - http://github.com/HerculesWS/Hercules
 *
 * Copyright (C) 2012-2015  Hercules Dev Team
 * Copyright (C)  Athena Dev Teams
 *
 * Hercules 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/>.
 */
#define HERCULES_CORE

#include "config/core.h" // GP_BOUND_ITEMS
#include "intif.h"

#include "map/atcommand.h"
#include "map/battle.h"
#include "map/chrif.h"
#include "map/clif.h"
#include "map/elemental.h"
#include "map/guild.h"
#include "map/homunculus.h"
#include "map/log.h"
#include "map/mail.h"
#include "map/map.h"
#include "map/mercenary.h"
#include "map/party.h"
#include "map/pc.h"
#include "map/pet.h"
#include "map/quest.h"
#include "map/storage.h"
#include "common/memmgr.h"
#include "common/nullpo.h"
#include "common/showmsg.h"
#include "common/socket.h"
#include "common/strlib.h"
#include "common/timer.h"

#include <fcntl.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>

struct intif_interface intif_s;
struct intif_interface *intif;

#define inter_fd (chrif->fd) // alias

//-----------------------------------------------------------------
// Send to inter server

int CheckForCharServer(void)
{
	return ((chrif->fd <= 0) || sockt->session[chrif->fd] == NULL || sockt->session[chrif->fd]->wdata == NULL);
}

// pet
int intif_create_pet(int account_id,int char_id,short pet_class,short pet_lv,short pet_egg_id,
	short pet_equip,short intimate,short hungry,char rename_flag,char incubate,char *pet_name)
{
	if (intif->CheckForCharServer())
		return 0;
	nullpo_ret(pet_name);
	WFIFOHEAD(inter_fd, 24 + NAME_LENGTH);
	WFIFOW(inter_fd,0) = 0x3080;
	WFIFOL(inter_fd,2) = account_id;
	WFIFOL(inter_fd,6) = char_id;
	WFIFOW(inter_fd,10) = pet_class;
	WFIFOW(inter_fd,12) = pet_lv;
	WFIFOW(inter_fd,14) = pet_egg_id;
	WFIFOW(inter_fd,16) = pet_equip;
	WFIFOW(inter_fd,18) = intimate;
	WFIFOW(inter_fd,20) = hungry;
	WFIFOB(inter_fd,22) = rename_flag;
	WFIFOB(inter_fd,23) = incubate;
	memcpy(WFIFOP(inter_fd,24),pet_name,NAME_LENGTH);
	WFIFOSET(inter_fd,24+NAME_LENGTH);

	return 0;
}

int intif_request_petdata(int account_id,int char_id,int pet_id)
{
	if (intif->CheckForCharServer())
		return 0;
	WFIFOHEAD(inter_fd, 14);
	WFIFOW(inter_fd,0) = 0x3081;
	WFIFOL(inter_fd,2) = account_id;
	WFIFOL(inter_fd,6) = char_id;
	WFIFOL(inter_fd,10) = pet_id;
	WFIFOSET(inter_fd,14);

	return 0;
}

int intif_save_petdata(int account_id,struct s_pet *p)
{
	if (intif->CheckForCharServer())
		return 0;
	nullpo_ret(p);
	WFIFOHEAD(inter_fd, sizeof(struct s_pet) + 8);
	WFIFOW(inter_fd,0) = 0x3082;
	WFIFOW(inter_fd,2) = sizeof(struct s_pet) + 8;
	WFIFOL(inter_fd,4) = account_id;
	memcpy(WFIFOP(inter_fd,8),p,sizeof(struct s_pet));
	WFIFOSET(inter_fd,WFIFOW(inter_fd,2));

	return 0;
}

int intif_delete_petdata(int pet_id)
{
	if (intif->CheckForCharServer())
		return 0;
	WFIFOHEAD(inter_fd,6);
	WFIFOW(inter_fd,0) = 0x3083;
	WFIFOL(inter_fd,2) = pet_id;
	WFIFOSET(inter_fd,6);

	return 1;
}

int intif_rename(struct map_session_data *sd, int type, char *name)
{
	if (intif->CheckForCharServer())
		return 1;

	nullpo_ret(sd);
	nullpo_ret(name);
	WFIFOHEAD(inter_fd,NAME_LENGTH+12);
	WFIFOW(inter_fd,0) = 0x3006;
	WFIFOL(inter_fd,2) = sd->status.account_id;
	WFIFOL(inter_fd,6) = sd->status.char_id;
	WFIFOB(inter_fd,10) = type;  //Type: 0 - PC, 1 - PET, 2 - HOM
	memcpy(WFIFOP(inter_fd,11),name, NAME_LENGTH);
	WFIFOSET(inter_fd,NAME_LENGTH+12);
	return 0;
}

// GM Send a message
int intif_broadcast(const char* mes, size_t len, int type)
{
	int lp = (type&BC_COLOR_MASK) ? 4 : 0;

	nullpo_ret(mes);
	Assert_ret(len < 32000);
	// Send to the local players
	clif->broadcast(NULL, mes, len, type, ALL_CLIENT);

	if (intif->CheckForCharServer())
		return 0;

	if (chrif->other_mapserver_count < 1)
		return 0; //No need to send.

	WFIFOHEAD(inter_fd, 16 + lp + len);
	WFIFOW(inter_fd,0)  = 0x3000;
	WFIFOW(inter_fd,2)  = 16 + lp + len;
	WFIFOL(inter_fd,4)  = 0xFF000000; // 0xFF000000 color signals standard broadcast
	WFIFOW(inter_fd,8)  = 0; // fontType not used with standard broadcast
	WFIFOW(inter_fd,10) = 0; // fontSize not used with standard broadcast
	WFIFOW(inter_fd,12) = 0; // fontAlign not used with standard broadcast
	WFIFOW(inter_fd,14) = 0; // fontY not used with standard broadcast
	if (type&BC_BLUE)
		WFIFOL(inter_fd,16) = 0x65756c62; //If there's "blue" at the beginning of the message, game client will display it in blue instead of yellow.
	else if (type&BC_WOE)
		WFIFOL(inter_fd,16) = 0x73737373; //If there's "ssss", game client will recognize message as 'WoE broadcast'.
	memcpy(WFIFOP(inter_fd,16 + lp), mes, len);
	WFIFOSET(inter_fd, WFIFOW(inter_fd,2));
	return 0;
}

int intif_broadcast2(const char* mes, size_t len, unsigned int fontColor, short fontType, short fontSize, short fontAlign, short fontY)
{
	nullpo_ret(mes);
	Assert_ret(len < 32000);
	// Send to the local players
	clif->broadcast2(NULL, mes, len, fontColor, fontType, fontSize, fontAlign, fontY, ALL_CLIENT);

	if (intif->CheckForCharServer())
		return 0;

	if (chrif->other_mapserver_count < 1)
		return 0; //No need to send.

	WFIFOHEAD(inter_fd, 16 + len);
	WFIFOW(inter_fd,0)  = 0x3000;
	WFIFOW(inter_fd,2)  = 16 + len;
	WFIFOL(inter_fd,4)  = fontColor;
	WFIFOW(inter_fd,8)  = fontType;
	WFIFOW(inter_fd,10) = fontSize;
	WFIFOW(inter_fd,12) = fontAlign;
	WFIFOW(inter_fd,14) = fontY;
	memcpy(WFIFOP(inter_fd,16), mes, len);
	WFIFOSET(inter_fd, WFIFOW(inter_fd,2));
	return 0;
}

/// send a message using the main chat system
/// <sd>         the source of message
/// <message>    the message that was sent
int intif_main_message(struct map_session_data* sd, const char* message)
{
	char output[256];

	nullpo_ret(sd);
	nullpo_ret(message);

	// format the message for main broadcasting
	snprintf( output, sizeof(output), msg_txt(386), sd->status.name, message );

	// send the message using the inter-server broadcast service
	intif->broadcast2( output, strlen(output) + 1, 0xFE000000, 0, 0, 0, 0 );

	// log the chat message
	logs->chat( LOG_CHAT_MAINCHAT, 0, sd->status.char_id, sd->status.account_id, mapindex_id2name(sd->mapindex), sd->bl.x, sd->bl.y, NULL, message );

	return 0;
}

// The transmission of Wisp/Page to inter-server (player not found on this server)
int intif_wis_message(struct map_session_data *sd, char *nick, char *mes, size_t mes_len)
{
	if (intif->CheckForCharServer())
		return 0;
	nullpo_ret(sd);
	nullpo_ret(nick);
	nullpo_ret(mes);

	if (chrif->other_mapserver_count < 1) {
		//Character not found.
		clif->wis_end(sd->fd, 1);
		return 0;
	}

	WFIFOHEAD(inter_fd,mes_len + 52);
	WFIFOW(inter_fd,0) = 0x3001;
	WFIFOW(inter_fd,2) = mes_len + 52;
	memcpy(WFIFOP(inter_fd,4), sd->status.name, NAME_LENGTH);
	memcpy(WFIFOP(inter_fd,4+NAME_LENGTH), nick, NAME_LENGTH);
	memcpy(WFIFOP(inter_fd,4+2*NAME_LENGTH), mes, mes_len);
	WFIFOSET(inter_fd, WFIFOW(inter_fd,2));

	if (battle_config.etc_log)
		ShowInfo("intif_wis_message from %s to %s (message: '%s')\n", sd->status.name, nick, mes);

	return 0;
}

// The reply of Wisp/page
int intif_wis_replay(int id, int flag)
{
	if (intif->CheckForCharServer())
		return 0;
	WFIFOHEAD(inter_fd,7);
	WFIFOW(inter_fd,0) = 0x3002;
	WFIFOL(inter_fd,2) = id;
	WFIFOB(inter_fd,6) = flag; // flag: 0: success to send whisper, 1: target character is not logged in?, 2: ignored by target
	WFIFOSET(inter_fd,7);

	if (battle_config.etc_log)
		ShowInfo("intif_wis_replay: id: %d, flag:%d\n", id, flag);

	return 0;
}

// The transmission of GM only Wisp/Page from server to inter-server
int intif_wis_message_to_gm(char *wisp_name, int permission, char *mes)
{
	size_t mes_len;
	if (intif->CheckForCharServer())
		return 0;
	nullpo_ret(wisp_name);
	nullpo_ret(mes);
	mes_len = strlen(mes) + 1; // + null
	WFIFOHEAD(inter_fd, mes_len + 32);
	WFIFOW(inter_fd,0) = 0x3003;
	WFIFOW(inter_fd,2) = mes_len + 32;
	memcpy(WFIFOP(inter_fd,4), wisp_name, NAME_LENGTH);
	WFIFOL(inter_fd,4+NAME_LENGTH) = permission;
	memcpy(WFIFOP(inter_fd,8+NAME_LENGTH), mes, mes_len);
	WFIFOSET(inter_fd, WFIFOW(inter_fd,2));

	if (battle_config.etc_log)
		ShowNotice("intif_wis_message_to_gm: from: '%s', required permission: %d, message: '%s'.\n", wisp_name, permission, mes);

	return 0;
}

//Request for saving registry values.
int intif_saveregistry(struct map_session_data *sd) {
	DBIterator *iter;
	DBKey key;
	DBData *data;
	int plen = 0;
	size_t len;

	nullpo_ret(sd);
	if (intif->CheckForCharServer() || !sd->regs.vars)
		return -1;

	WFIFOHEAD(inter_fd, 60000 + 300);
	WFIFOW(inter_fd,0)  = 0x3004;
	/* 0x2 = length (set later) */
	WFIFOL(inter_fd,4)  = sd->status.account_id;
	WFIFOL(inter_fd,8)  = sd->status.char_id;
	WFIFOW(inter_fd,12) = 0;/* count */

	plen = 14;

	iter = db_iterator(sd->regs.vars);
	for( data = iter->first(iter,&key); iter->exists(iter); data = iter->next(iter,&key) ) {
		const char *varname = NULL;
		struct script_reg_state *src = NULL;

		if( data->type != DB_DATA_PTR ) /* its a @number */
			continue;

		varname = script->get_str(script_getvarid(key.i64));

		if( varname[0] == '@' ) /* @string$ can get here, so we skip */
			continue;

		if (strlen(varname) > SCRIPT_VARNAME_LENGTH) {
			ShowError("Variable name too big: %s\n", varname);
			continue;
		}
		src = DB->data2ptr(data);

		/* no need! */
		if( !src->update )
			continue;

		src->update = false;

		len = strlen(varname)+1;

		WFIFOB(inter_fd, plen) = (unsigned char)len;/* won't be higher; the column size is 32 */
		plen += 1;

		safestrncpy((char*)WFIFOP(inter_fd,plen), varname, len);
		plen += len;

		WFIFOL(inter_fd, plen) = script_getvaridx(key.i64);
		plen += 4;

		if( src->type ) {
			struct script_reg_str *p = (struct script_reg_str *)src;

			WFIFOB(inter_fd, plen) = p->value ? 2 : 3;
			plen += 1;

			if( p->value ) {
				len = strlen(p->value)+1;

				WFIFOB(inter_fd, plen) = (unsigned char)len;/* won't be higher; the column size is 254 */
				plen += 1;

				safestrncpy((char*)WFIFOP(inter_fd,plen), p->value, len);
				plen += len;
			} else {
				script->reg_destroy_single(sd,key.i64,&p->flag);
			}
		} else {
			struct script_reg_num *p = (struct script_reg_num *)src;

			WFIFOB(inter_fd, plen) =  p->value ? 0 : 1;
			plen += 1;

			if( p->value ) {
				WFIFOL(inter_fd, plen) = p->value;
				plen += 4;
			} else {
				script->reg_destroy_single(sd,key.i64,&p->flag);
			}
		}

		WFIFOW(inter_fd,12) += 1;

		if( plen > 60000 ) {
			WFIFOW(inter_fd, 2) = plen;
			WFIFOSET(inter_fd, plen);

			/* prepare follow up */
			WFIFOHEAD(inter_fd, 60000 + 300);
			WFIFOW(inter_fd,0)  = 0x3004;
			/* 0x2 = length (set later) */
			WFIFOL(inter_fd,4)  = sd->status.account_id;
			WFIFOL(inter_fd,8)  = sd->status.char_id;
			WFIFOW(inter_fd,12) = 0;/* count */

			plen = 14;
		}
	}
	dbi_destroy(iter);

	/* mark & go. */
	WFIFOW(inter_fd, 2) = plen;
	WFIFOSET(inter_fd, plen);

	sd->vars_dirty = false;

	return 0;
}

//Request the registries for this player.
int intif_request_registry(struct map_session_data *sd, int flag)
{
	nullpo_ret(sd);

	/* if char server ain't online it doesn't load, shouldn't we kill the session then? */
	if (intif->CheckForCharServer())
		return 0;

	WFIFOHEAD(inter_fd,6);
	WFIFOW(inter_fd,0) = 0x3005;
	WFIFOL(inter_fd,2) = sd->status.account_id;
	WFIFOL(inter_fd,6) = sd->status.char_id;
	WFIFOB(inter_fd,10) = (flag&1) ? 1 : 0; //Request Acc Reg 2
	WFIFOB(inter_fd,11) = (flag&2) ? 1 : 0; //Request Acc Reg
	WFIFOB(inter_fd,12) = (flag&4) ? 1 : 0; //Request Char Reg
	WFIFOSET(inter_fd,13);

	return 0;
}

int intif_request_guild_storage(int account_id,int guild_id)
{
	if (intif->CheckForCharServer())
		return 0;
	WFIFOHEAD(inter_fd,10);
	WFIFOW(inter_fd,0) = 0x3018;
	WFIFOL(inter_fd,2) = account_id;
	WFIFOL(inter_fd,6) = guild_id;
	WFIFOSET(inter_fd,10);
	return 0;
}
int intif_send_guild_storage(int account_id,struct guild_storage *gstor)
{
	if (intif->CheckForCharServer())
		return 0;
	nullpo_ret(gstor);
	WFIFOHEAD(inter_fd,sizeof(struct guild_storage)+12);
	WFIFOW(inter_fd,0) = 0x3019;
	WFIFOW(inter_fd,2) = (unsigned short)sizeof(struct guild_storage)+12;
	WFIFOL(inter_fd,4) = account_id;
	WFIFOL(inter_fd,8) = gstor->guild_id;
	memcpy( WFIFOP(inter_fd,12),gstor, sizeof(struct guild_storage) );
	WFIFOSET(inter_fd,WFIFOW(inter_fd,2));
	return 0;
}

// Party creation request
int intif_create_party(struct party_member *member,char *name,int item,int item2)
{
	if (intif->CheckForCharServer())
		return 0;
	nullpo_ret(member);
	nullpo_ret(name);

	WFIFOHEAD(inter_fd,64);
	WFIFOW(inter_fd,0) = 0x3020;
	WFIFOW(inter_fd,2) = 30+sizeof(struct party_member);
	memcpy(WFIFOP(inter_fd,4),name, NAME_LENGTH);
	WFIFOB(inter_fd,28)= item;
	WFIFOB(inter_fd,29)= item2;
	memcpy(WFIFOP(inter_fd,30), member, sizeof(struct party_member));
	WFIFOSET(inter_fd,WFIFOW(inter_fd, 2));
	return 0;
}

// Party information request
int intif_request_partyinfo(int party_id, int char_id)
{
	if (intif->CheckForCharServer())
		return 0;
	WFIFOHEAD(inter_fd,10);
	WFIFOW(inter_fd,0) = 0x3021;
	WFIFOL(inter_fd,2) = party_id;
	WFIFOL(inter_fd,6) = char_id;
	WFIFOSET(inter_fd,10);
	return 0;
}

// Request to add a member to party
int intif_party_addmember(int party_id,struct party_member *member)
{
	if (intif->CheckForCharServer())
		return 0;
	nullpo_ret(member);
	WFIFOHEAD(inter_fd,42);
	WFIFOW(inter_fd,0)=0x3022;
	WFIFOW(inter_fd,2)=8+sizeof(struct party_member);
	WFIFOL(inter_fd,4)=party_id;
	memcpy(WFIFOP(inter_fd,8),member,sizeof(struct party_member));
	WFIFOSET(inter_fd,WFIFOW(inter_fd, 2));
	return 1;
}

// Request to change party configuration (exp,item share)
int intif_party_changeoption(int party_id,int account_id,int exp,int item)
{
	if (intif->CheckForCharServer())
		return 0;
	WFIFOHEAD(inter_fd,14);
	WFIFOW(inter_fd,0)=0x3023;
	WFIFOL(inter_fd,2)=party_id;
	WFIFOL(inter_fd,6)=account_id;
	WFIFOW(inter_fd,10)=exp;
	WFIFOW(inter_fd,12)=item;
	WFIFOSET(inter_fd,14);
	return 0;
}

// Request to leave party
int intif_party_leave(int party_id,int account_id, int char_id)
{
	if (intif->CheckForCharServer())
		return 0;
	WFIFOHEAD(inter_fd,14);
	WFIFOW(inter_fd,0)=0x3024;
	WFIFOL(inter_fd,2)=party_id;
	WFIFOL(inter_fd,6)=account_id;
	WFIFOL(inter_fd,10)=char_id;
	WFIFOSET(inter_fd,14);
	return 0;
}

// Request keeping party for new map ??
int intif_party_changemap(struct map_session_data *sd,int online) {
	int16 m, map_index;

	if (intif->CheckForCharServer())
		return 0;
	if(!sd)
		return 0;

	if( (m=map->mapindex2mapid(sd->mapindex)) >= 0 && map->list[m].instance_id >= 0 )
		map_index = map_id2index(map->list[m].instance_src_map);
	else
		map_index = sd->mapindex;

	WFIFOHEAD(inter_fd,19);
	WFIFOW(inter_fd,0)=0x3025;
	WFIFOL(inter_fd,2)=sd->status.party_id;
	WFIFOL(inter_fd,6)=sd->status.account_id;
	WFIFOL(inter_fd,10)=sd->status.char_id;
	WFIFOW(inter_fd,14)=map_index;
	WFIFOB(inter_fd,16)=online;
	WFIFOW(inter_fd,17)=sd->status.base_level;
	WFIFOSET(inter_fd,19);
	return 1;
}

// Request breaking party
int intif_break_party(int party_id)
{
	if (intif->CheckForCharServer())
		return 0;
	WFIFOHEAD(inter_fd,6);
	WFIFOW(inter_fd,0)=0x3026;
	WFIFOL(inter_fd,2)=party_id;
	WFIFOSET(inter_fd,6);
	return 0;
}

// Sending party chat
int intif_party_message(int party_id,int account_id,const char *mes,int len)
{
	if (intif->CheckForCharServer())
		return 0;

	if (chrif->other_mapserver_count < 1)
		return 0; //No need to send.

	nullpo_ret(mes);
	Assert_ret(len > 0 && len < 32000);
	WFIFOHEAD(inter_fd,len + 12);
	WFIFOW(inter_fd,0)=0x3027;
	WFIFOW(inter_fd,2)=len+12;
	WFIFOL(inter_fd,4)=party_id;
	WFIFOL(inter_fd,8)=account_id;
	memcpy(WFIFOP(inter_fd,12),mes,len);
	WFIFOSET(inter_fd,len+12);
	return 0;
}

// Request a new leader for party
int intif_party_leaderchange(int party_id,int account_id,int char_id)
{
	if (intif->CheckForCharServer())
		return 0;
	WFIFOHEAD(inter_fd,14);
	WFIFOW(inter_fd,0)=0x3029;
	WFIFOL(inter_fd,2)=party_id;
	WFIFOL(inter_fd,6)=account_id;
	WFIFOL(inter_fd,10)=char_id;
	WFIFOSET(inter_fd,14);
	return 0;
}

// Request a Guild creation
int intif_guild_create(const char *name,const struct guild_member *master)
{
	if (intif->CheckForCharServer())
		return 0;
	nullpo_ret(master);
	nullpo_ret(name);

	WFIFOHEAD(inter_fd,sizeof(struct guild_member)+(8+NAME_LENGTH));
	WFIFOW(inter_fd,0)=0x3030;
	WFIFOW(inter_fd,2)=sizeof(struct guild_member)+(8+NAME_LENGTH);
	WFIFOL(inter_fd,4)=master->account_id;
	memcpy(WFIFOP(inter_fd,8),name,NAME_LENGTH);
	memcpy(WFIFOP(inter_fd,8+NAME_LENGTH),master,sizeof(struct guild_member));
	WFIFOSET(inter_fd,WFIFOW(inter_fd,2));
	return 0;
}

// Request Guild information
int intif_guild_request_info(int guild_id)
{
	if (intif->CheckForCharServer())
		return 0;
	WFIFOHEAD(inter_fd,6);
	WFIFOW(inter_fd,0) = 0x3031;
	WFIFOL(inter_fd,2) = guild_id;
	WFIFOSET(inter_fd,6);
	return 0;
}

// Request to add member to the guild
int intif_guild_addmember(int guild_id,struct guild_member *m)
{
	if (intif->CheckForCharServer())
		return 0;
	nullpo_ret(m);
	WFIFOHEAD(inter_fd,sizeof(struct guild_member)+8);
	WFIFOW(inter_fd,0) = 0x3032;
	WFIFOW(inter_fd,2) = sizeof(struct guild_member)+8;
	WFIFOL(inter_fd,4) = guild_id;
	memcpy(WFIFOP(inter_fd,8),m,sizeof(struct guild_member));
	WFIFOSET(inter_fd,WFIFOW(inter_fd,2));
	return 0;
}

// Request a new leader for guild
int intif_guild_change_gm(int guild_id, const char* name, size_t len)
{
	if (intif->CheckForCharServer())
		return 0;
	nullpo_ret(name);
	Assert_ret(len > 0 && len < 32000);
	WFIFOHEAD(inter_fd, len + 8);
	WFIFOW(inter_fd, 0)=0x3033;
	WFIFOW(inter_fd, 2)=len+8;
	WFIFOL(inter_fd, 4)=guild_id;
	memcpy(WFIFOP(inter_fd,8),name,len);
	WFIFOSET(inter_fd,len+8);
	return 0;
}

// Request to leave guild
int intif_guild_leave(int guild_id,int account_id,int char_id,int flag,const char *mes)
{
	if (intif->CheckForCharServer())
		return 0;
	nullpo_ret(mes);
	WFIFOHEAD(inter_fd, 55);
	WFIFOW(inter_fd, 0) = 0x3034;
	WFIFOL(inter_fd, 2) = guild_id;
	WFIFOL(inter_fd, 6) = account_id;
	WFIFOL(inter_fd,10) = char_id;
	WFIFOB(inter_fd,14) = flag;
	safestrncpy((char*)WFIFOP(inter_fd,15),mes,40);
	WFIFOSET(inter_fd,55);
	return 0;
}

//Update request / Lv online status of the guild members
int intif_guild_memberinfoshort(int guild_id,int account_id,int char_id,int online,int lv,int class_)
{
	if (intif->CheckForCharServer())
		return 0;
	WFIFOHEAD(inter_fd, 19);
	WFIFOW(inter_fd, 0) = 0x3035;
	WFIFOL(inter_fd, 2) = guild_id;
	WFIFOL(inter_fd, 6) = account_id;
	WFIFOL(inter_fd,10) = char_id;
	WFIFOB(inter_fd,14) = online;
	WFIFOW(inter_fd,15) = lv;
	WFIFOW(inter_fd,17) = class_;
	WFIFOSET(inter_fd,19);
	return 0;
}

//Guild disbanded notification
int intif_guild_break(int guild_id)
{
	if (intif->CheckForCharServer())
		return 0;
	WFIFOHEAD(inter_fd, 6);
	WFIFOW(inter_fd, 0) = 0x3036;
	WFIFOL(inter_fd, 2) = guild_id;
	WFIFOSET(inter_fd,6);
	return 0;
}

// Send a guild message
int intif_guild_message(int guild_id,int account_id,const char *mes,int len)
{
	if (intif->CheckForCharServer())
		return 0;

	if (chrif->other_mapserver_count < 1)
		return 0; //No need to send.

	nullpo_ret(mes);
	Assert_ret(len > 0 && len < 32000);
	WFIFOHEAD(inter_fd, len + 12);
	WFIFOW(inter_fd,0)=0x3037;
	WFIFOW(inter_fd,2)=len+12;
	WFIFOL(inter_fd,4)=guild_id;
	WFIFOL(inter_fd,8)=account_id;
	memcpy(WFIFOP(inter_fd,12),mes,len);
	WFIFOSET(inter_fd,len+12);

	return 0;
}

/**
 * Requests to change a basic guild information, it is parsed via mapif_parse_GuildBasicInfoChange
 * To see the information types that can be changed see mmo.h::guild_basic_info
 **/
int intif_guild_change_basicinfo(int guild_id,int type,const void *data,int len)
{
	if (intif->CheckForCharServer())
		return 0;
	nullpo_ret(data);
	Assert_ret(len >= 0 && len < 32000);
	WFIFOHEAD(inter_fd, len + 10);
	WFIFOW(inter_fd,0)=0x3039;
	WFIFOW(inter_fd,2)=len+10;
	WFIFOL(inter_fd,4)=guild_id;
	WFIFOW(inter_fd,8)=type;
	memcpy(WFIFOP(inter_fd,10),data,len);
	WFIFOSET(inter_fd,len+10);
	return 0;
}

// Request a change of Guild member information
int intif_guild_change_memberinfo(int guild_id,int account_id,int char_id,
	int type,const void *data,int len)
{
	if (intif->CheckForCharServer())
		return 0;
	nullpo_ret(data);
	Assert_ret(len >= 0 && len < 32000);
	WFIFOHEAD(inter_fd, len + 18);
	WFIFOW(inter_fd, 0)=0x303a;
	WFIFOW(inter_fd, 2)=len+18;
	WFIFOL(inter_fd, 4)=guild_id;
	WFIFOL(inter_fd, 8)=account_id;
	WFIFOL(inter_fd,12)=char_id;
	WFIFOW(inter_fd,16)=type;
	memcpy(WFIFOP(inter_fd,18),data,len);
	WFIFOSET(inter_fd,len+18);
	return 0;
}

// Request a change of Guild title
int intif_guild_position(int guild_id,int idx,struct guild_position *p)
{
	if (intif->CheckForCharServer())
		return 0;
	nullpo_ret(p);
	WFIFOHEAD(inter_fd, sizeof(struct guild_position)+12);
	WFIFOW(inter_fd,0)=0x303b;
	WFIFOW(inter_fd,2)=sizeof(struct guild_position)+12;
	WFIFOL(inter_fd,4)=guild_id;
	WFIFOL(inter_fd,8)=idx;
	memcpy(WFIFOP(inter_fd,12),p,sizeof(struct guild_position));
	WFIFOSET(inter_fd,WFIFOW(inter_fd,2));
	return 0;
}

// Request an update of Guildskill skill_id
int intif_guild_skillup(int guild_id, uint16 skill_id, int account_id, int max)
{
	if( intif->CheckForCharServer() )
		return 0;
	WFIFOHEAD(inter_fd, 18);
	WFIFOW(inter_fd, 0)  = 0x303c;
	WFIFOL(inter_fd, 2)  = guild_id;
	WFIFOL(inter_fd, 6)  = skill_id;
	WFIFOL(inter_fd, 10) = account_id;
	WFIFOL(inter_fd, 14) = max;
	WFIFOSET(inter_fd, 18);
	return 0;
}

// Request a new guild relationship
int intif_guild_alliance(int guild_id1,int guild_id2,int account_id1,int account_id2,int flag)
{
	if (intif->CheckForCharServer())
		return 0;
	WFIFOHEAD(inter_fd,19);
	WFIFOW(inter_fd, 0)=0x303d;
	WFIFOL(inter_fd, 2)=guild_id1;
	WFIFOL(inter_fd, 6)=guild_id2;
	WFIFOL(inter_fd,10)=account_id1;
	WFIFOL(inter_fd,14)=account_id2;
	WFIFOB(inter_fd,18)=flag;
	WFIFOSET(inter_fd,19);
	return 0;
}

// Request to change guild notice
int intif_guild_notice(int guild_id,const char *mes1,const char *mes2)
{
	if (intif->CheckForCharServer())
		return 0;
	nullpo_ret(mes1);
	nullpo_ret(mes2);
	WFIFOHEAD(inter_fd,186);
	WFIFOW(inter_fd,0)=0x303e;
	WFIFOL(inter_fd,2)=guild_id;
	memcpy(WFIFOP(inter_fd,6),mes1,MAX_GUILDMES1);
	memcpy(WFIFOP(inter_fd,66),mes2,MAX_GUILDMES2);
	WFIFOSET(inter_fd,186);
	return 0;
}

// Request to change guild emblem
int intif_guild_emblem(int guild_id,int len,const char *data)
{
	if (intif->CheckForCharServer())
		return 0;
	if(guild_id<=0 || len<0 || len>2000)
		return 0;
	nullpo_ret(data);
	Assert_ret(len >= 0 && len < 32000);
	WFIFOHEAD(inter_fd,len + 12);
	WFIFOW(inter_fd,0)=0x303f;
	WFIFOW(inter_fd,2)=len+12;
	WFIFOL(inter_fd,4)=guild_id;
	WFIFOL(inter_fd,8)=0;
	memcpy(WFIFOP(inter_fd,12),data,len);
	WFIFOSET(inter_fd,len+12);
	return 0;
}

/**
 * Requests guild castles data from char-server.
 * @param num Number of castles, size of castle_ids array.
 * @param castle_ids Pointer to array of castle IDs.
 */
int intif_guild_castle_dataload(int num, int *castle_ids)
{
	if (intif->CheckForCharServer())
		return 0;
	nullpo_ret(castle_ids);
	WFIFOHEAD(inter_fd, 4 + num * sizeof(int));
	WFIFOW(inter_fd, 0) = 0x3040;
	WFIFOW(inter_fd, 2) = 4 + num * sizeof(int);
	memcpy(WFIFOP(inter_fd, 4), castle_ids, num * sizeof(int));
	WFIFOSET(inter_fd, WFIFOW(inter_fd, 2));
	return 1;
}

// Request change castle guild owner and save data
int intif_guild_castle_datasave(int castle_id,int index, int value)
{
	if (intif->CheckForCharServer())
		return 0;
	WFIFOHEAD(inter_fd,9);
	WFIFOW(inter_fd,0)=0x3041;
	WFIFOW(inter_fd,2)=castle_id;
	WFIFOB(inter_fd,4)=index;
	WFIFOL(inter_fd,5)=value;
	WFIFOSET(inter_fd,9);
	return 1;
}

//-----------------------------------------------------------------
// Homunculus Packets send to Inter server [albator]
//-----------------------------------------------------------------

int intif_homunculus_create(int account_id, struct s_homunculus *sh)
{
	if (intif->CheckForCharServer())
		return 0;
	nullpo_ret(sh);
	WFIFOHEAD(inter_fd, sizeof(struct s_homunculus)+8);
	WFIFOW(inter_fd,0) = 0x3090;
	WFIFOW(inter_fd,2) = sizeof(struct s_homunculus)+8;
	WFIFOL(inter_fd,4) = account_id;
	memcpy(WFIFOP(inter_fd,8),sh,sizeof(struct s_homunculus));
	WFIFOSET(inter_fd, WFIFOW(inter_fd,2));
	return 0;
}

bool intif_homunculus_requestload(int account_id, int homun_id) {
	if (intif->CheckForCharServer())
		return false;
	WFIFOHEAD(inter_fd, 10);
	WFIFOW(inter_fd,0) = 0x3091;
	WFIFOL(inter_fd,2) = account_id;
	WFIFOL(inter_fd,6) = homun_id;
	WFIFOSET(inter_fd, 10);
	return true;
}

int intif_homunculus_requestsave(int account_id, struct s_homunculus* sh)
{
	if (intif->CheckForCharServer())
		return 0;
	nullpo_ret(sh);
	WFIFOHEAD(inter_fd, sizeof(struct s_homunculus)+8);
	WFIFOW(inter_fd,0) = 0x3092;
	WFIFOW(inter_fd,2) = sizeof(struct s_homunculus)+8;
	WFIFOL(inter_fd,4) = account_id;
	memcpy(WFIFOP(inter_fd,8),sh,sizeof(struct s_homunculus));
	WFIFOSET(inter_fd, WFIFOW(inter_fd,2));
	return 0;

}

int intif_homunculus_requestdelete(int homun_id)
{
	if (intif->CheckForCharServer())
		return 0;
	WFIFOHEAD(inter_fd, 6);
	WFIFOW(inter_fd, 0) = 0x3093;
	WFIFOL(inter_fd,2) = homun_id;
	WFIFOSET(inter_fd,6);
	return 0;

}

//-----------------------------------------------------------------
// Packets receive from inter server

// Wisp/Page reception // rewritten by [Yor]
void intif_parse_WisMessage(int fd) {
	struct map_session_data* sd;
	char *wisp_source;
	char name[NAME_LENGTH];
	int id, i;

	id=RFIFOL(fd,4);

	safestrncpy(name, (char*)RFIFOP(fd,32), NAME_LENGTH);
	sd = map->nick2sd(name);
	if(sd == NULL || strcmp(sd->status.name, name) != 0) {
		//Not found
		intif_wis_replay(id,1);
		return;
	}
	if(sd->state.ignoreAll) {
		intif_wis_replay(id, 2);
		return;
	}
	wisp_source = (char *) RFIFOP(fd,8); // speed up [Yor]
	for(i=0; i < MAX_IGNORE_LIST &&
		sd->ignore[i].name[0] != '\0' &&
		strcmp(sd->ignore[i].name, wisp_source) != 0
		; i++);

	if (i < MAX_IGNORE_LIST && sd->ignore[i].name[0] != '\0') {
		//Ignored
		intif_wis_replay(id, 2);
		return;
	}
	//Success to send whisper.
	clif->wis_message(sd->fd, wisp_source, (char*)RFIFOP(fd,56),RFIFOW(fd,2)-56);
	intif_wis_replay(id,0);   // success
}

// Wisp/page transmission result reception
void intif_parse_WisEnd(int fd) {
	struct map_session_data* sd;

	if (battle_config.etc_log)
		ShowInfo("intif_parse_wisend: player: %s, flag: %d\n", RFIFOP(fd,2), RFIFOB(fd,26)); // flag: 0: success to send whisper, 1: target character is not logged in?, 2: ignored by target
	sd = map->nick2sd((char *)RFIFOP(fd,2));
	if (sd != NULL)
		clif->wis_end(sd->fd, RFIFOB(fd,26));

	return;
}

int mapif_parse_WisToGM_sub(struct map_session_data* sd,va_list va) {
	int permission = va_arg(va, int);
	char *wisp_name;
	char *message;
	int len;

	nullpo_ret(sd);
	if (!pc_has_permission(sd, permission))
		return 0;
	wisp_name = va_arg(va, char*);
	message = va_arg(va, char*);
	len = va_arg(va, int);
	clif->wis_message(sd->fd, wisp_name, message, len);
	return 1;
}

// Received wisp message from map-server via char-server for ALL gm
// 0x3003/0x3803 <packet_len>.w <wispname>.24B <permission>.l <message>.?B
void mapif_parse_WisToGM(int fd)
{
	int permission, mes_len;
	char Wisp_name[NAME_LENGTH];
	char mbuf[255] = { 0 };
	char *message;

	mes_len =  RFIFOW(fd,2) - 32;
	Assert_retv(mes_len > 0 && mes_len < 32000);
	message = (char *) (mes_len >= 255 ? (char *) aMalloc(mes_len) : mbuf);

	permission = RFIFOL(fd,28);
	safestrncpy(Wisp_name, (char*)RFIFOP(fd,4), NAME_LENGTH);
	safestrncpy(message, (char*)RFIFOP(fd,32), mes_len);
	// information is sent to all online GM
	map->foreachpc(mapif_parse_WisToGM_sub, permission, Wisp_name, message, mes_len);

	if (message != mbuf)
		aFree(message);
}

// Request player registre
void intif_parse_Registers(int fd)
{
	int flag;
	struct map_session_data *sd;
	int account_id = RFIFOL(fd,4), char_id = RFIFOL(fd,8);
	struct auth_node *node = chrif->auth_check(account_id, char_id, ST_LOGIN);
	char type = RFIFOB(fd, 13);

	if (node)
		sd = node->sd;
	else { //Normally registries should arrive for in log-in chars.
		sd = map->id2sd(account_id);
	}

	if (!sd || sd->status.char_id != char_id) {
		return; //Character registry from another character.
	}

	flag = ( sd->vars_received&PRL_ACCG && sd->vars_received&PRL_ACCL && sd->vars_received&PRL_CHAR ) ? 0 : 1;

	switch (RFIFOB(fd,12)) {
		case 3: //Character Registry
			sd->vars_received |= PRL_CHAR;
			break;
		case 2: //Account Registry
			sd->vars_received |= PRL_ACCL;
			break;
		case 1: //Account2 Registry
			sd->vars_received |= PRL_ACCG;
			break;
		case 0:
			break;
		default:
			ShowError("intif_parse_Registers: Unrecognized type %d\n",RFIFOB(fd,12));
			return;
	}
	/* have it not complain about insertion of vars before loading, and not set those vars as new or modified */
	pc->reg_load = true;

	if (RFIFOW(fd, 14) != 0) {
		char key[SCRIPT_VARNAME_LENGTH+1];
		unsigned int index;
		int max = RFIFOW(fd, 14), cursor = 16, i;

		script->parser_current_file = "loading char/acc variables";//for script_add_str to refer to here in case errors occur

		/**
		 * Vessel!char_reg_num_db
		 *
		 * str type
		 * { keyLength(B), key(<keyLength>), index(L), valLength(B), val(<valLength>) }
		 **/
		if (type) {
			char sval[254];
			for (i = 0; i < max; i++) {
				int len = RFIFOB(fd, cursor);
				safestrncpy(key, (char*)RFIFOP(fd, cursor + 1), min((int)sizeof(key), len));
				cursor += len + 1;

				index = RFIFOL(fd, cursor);
				cursor += 4;

				len = RFIFOB(fd, cursor);
				safestrncpy(sval, (char*)RFIFOP(fd, cursor + 1), min((int)sizeof(sval), len));
				cursor += len + 1;

				script->set_reg(NULL,sd,reference_uid(script->add_str(key), index), key, (void*)sval, NULL);
			}
		/**
		 * Vessel!
		 *
		 * int type
		 * { keyLength(B), key(<keyLength>), index(L), value(L) }
		 **/
		} else {
			for (i = 0; i < max; i++) {
				int ival;

				int len = RFIFOB(fd, cursor);
				safestrncpy(key, (char*)RFIFOP(fd, cursor + 1), min((int)sizeof(key), len));
				cursor += len + 1;

				index = RFIFOL(fd, cursor);
				cursor += 4;

				ival = RFIFOL(fd, cursor);
				cursor += 4;

				script->set_reg(NULL,sd,reference_uid(script->add_str(key), index), key, (void*)h64BPTRSIZE(ival), NULL);
			}
		}
		script->parser_current_file = NULL;/* reset */
	}

	/* flag it back */
	pc->reg_load = false;

	if (flag && sd->vars_received&PRL_ACCG && sd->vars_received&PRL_ACCL && sd->vars_received&PRL_CHAR)
		pc->reg_received(sd); //Received all registry values, execute init scripts and what-not. [Skotlex]
}

void intif_parse_LoadGuildStorage(int fd)
{
	struct guild_storage *gstor;
	struct map_session_data *sd;
	int guild_id, flag;

	guild_id = RFIFOL(fd,8);
	flag = RFIFOL(fd,12);
	if(guild_id <= 0)
		return;
	sd=map->id2sd( RFIFOL(fd,4) );
	if( flag ){ //If flag != 0, we attach a player and open the storage
		if(sd==NULL){
			ShowError("intif_parse_LoadGuildStorage: user not found %d\n",RFIFOL(fd,4));
			return;
		}
	}
	gstor=gstorage->ensure(guild_id);
	if(!gstor) {
		ShowWarning("intif_parse_LoadGuildStorage: error guild_id %d not exist\n",guild_id);
		return;
	}
	if (gstor->storage_status == 1) { // Already open.. lets ignore this update
		ShowWarning("intif_parse_LoadGuildStorage: storage received for a client already open (User %d:%d)\n", flag?sd->status.account_id:0, flag?sd->status.char_id:0);
		return;
	}
	if (gstor->dirty) { // Already have storage, and it has been modified and not saved yet! Exploit! [Skotlex]
		ShowWarning("intif_parse_LoadGuildStorage: received storage for an already modified non-saved storage! (User %d:%d)\n", flag?sd->status.account_id:0, flag?sd->status.char_id:0);
		return;
	}
	if (RFIFOW(fd,2)-13 != sizeof(struct guild_storage)) {
		ShowError("intif_parse_LoadGuildStorage: data size mismatch %d != %"PRIuS"\n", RFIFOW(fd,2)-13, sizeof(struct guild_storage));
		gstor->storage_status = 0;
		return;
	}

	memcpy(gstor,RFIFOP(fd,13),sizeof(struct guild_storage));
	if( flag )
		gstorage->open(sd);
}

// ACK guild_storage saved
void intif_parse_SaveGuildStorage(int fd)
{
	gstorage->saved(/*RFIFOL(fd,2), */RFIFOL(fd,6));
}

// ACK party creation
void intif_parse_PartyCreated(int fd)
{
	if(battle_config.etc_log)
		ShowInfo("intif: party created by account %d\n\n", RFIFOL(fd,2));
	party->created(RFIFOL(fd,2), RFIFOL(fd,6),RFIFOB(fd,10),RFIFOL(fd,11), (char *)RFIFOP(fd,15));
}

// Receive party info
void intif_parse_PartyInfo(int fd) {
	if (RFIFOW(fd,2) == 12) {
		ShowWarning("intif: party noinfo (char_id=%d party_id=%d)\n", RFIFOL(fd,4), RFIFOL(fd,8));
		party->recv_noinfo(RFIFOL(fd,8), RFIFOL(fd,4));
		return;
	}

	if (RFIFOW(fd,2) != 8+sizeof(struct party))
		ShowError("intif: party info: data size mismatch (char_id=%d party_id=%d packet_len=%d expected_len=%"PRIuS")\n",
		          RFIFOL(fd,4), RFIFOL(fd,8), RFIFOW(fd,2), 8+sizeof(struct party));
	party->recv_info((struct party *)RFIFOP(fd,8), RFIFOL(fd,4));
}

// ACK adding party member
void intif_parse_PartyMemberAdded(int fd)
{
	if(battle_config.etc_log)
		ShowInfo("intif: party member added Party (%d), Account(%d), Char(%d)\n",RFIFOL(fd,2),RFIFOL(fd,6),RFIFOL(fd,10));
	party->member_added(RFIFOL(fd,2),RFIFOL(fd,6),RFIFOL(fd,10), RFIFOB(fd, 14));
}

// ACK changing party option
void intif_parse_PartyOptionChanged(int fd)
{
	party->optionchanged(RFIFOL(fd,2),RFIFOL(fd,6),RFIFOW(fd,10),RFIFOW(fd,12),RFIFOB(fd,14));
}

// ACK member leaving party
void intif_parse_PartyMemberWithdraw(int fd)
{
	if(battle_config.etc_log)
		ShowInfo("intif: party member withdraw: Party(%d), Account(%d), Char(%d)\n",RFIFOL(fd,2),RFIFOL(fd,6),RFIFOL(fd,10));
	party->member_withdraw(RFIFOL(fd,2),RFIFOL(fd,6),RFIFOL(fd,10));
}

// ACK party break
void intif_parse_PartyBroken(int fd) {
	party->broken(RFIFOL(fd,2));
}

// ACK party on new map
void intif_parse_PartyMove(int fd)
{
	party->recv_movemap(RFIFOL(fd,2),RFIFOL(fd,6),RFIFOL(fd,10),RFIFOW(fd,14),RFIFOB(fd,16),RFIFOW(fd,17));
}

// ACK party messages
void intif_parse_PartyMessage(int fd) {
	party->recv_message(RFIFOL(fd,4),RFIFOL(fd,8),(char *) RFIFOP(fd,12),RFIFOW(fd,2)-12);
}

// ACK guild creation
void intif_parse_GuildCreated(int fd) {
	guild->created(RFIFOL(fd,2),RFIFOL(fd,6));
}

// ACK guild infos
void intif_parse_GuildInfo(int fd) {
	if (RFIFOW(fd,2) == 8) {
		ShowWarning("intif: guild noinfo %d\n",RFIFOL(fd,4));
		guild->recv_noinfo(RFIFOL(fd,4));
		return;
	}
	if (RFIFOW(fd,2)!=sizeof(struct guild)+4)
		ShowError("intif: guild info: data size mismatch - Gid: %d recv size: %d Expected size: %"PRIuS"\n",
		          RFIFOL(fd,4),RFIFOW(fd,2),sizeof(struct guild)+4);
	guild->recv_info((struct guild *)RFIFOP(fd,4));
}

// ACK adding guild member
void intif_parse_GuildMemberAdded(int fd) {
	if(battle_config.etc_log)
		ShowInfo("intif: guild member added %d %d %d %d\n",RFIFOL(fd,2),RFIFOL(fd,6),RFIFOL(fd,10),RFIFOB(fd,14));
	guild->member_added(RFIFOL(fd,2),RFIFOL(fd,6),RFIFOL(fd,10),RFIFOB(fd,14));
}

// ACK member leaving guild
void intif_parse_GuildMemberWithdraw(int fd) {
	guild->member_withdraw(RFIFOL(fd,2),RFIFOL(fd,6),RFIFOL(fd,10),RFIFOB(fd,14),(char *)RFIFOP(fd,55),(char *)RFIFOP(fd,15));
}

// ACK guild member basic info
void intif_parse_GuildMemberInfoShort(int fd) {
	guild->recv_memberinfoshort(RFIFOL(fd,2),RFIFOL(fd,6),RFIFOL(fd,10),RFIFOB(fd,14),RFIFOW(fd,15),RFIFOW(fd,17));
}

// ACK guild break
void intif_parse_GuildBroken(int fd) {
	guild->broken(RFIFOL(fd,2),RFIFOB(fd,6));
}

// basic guild info change notice
// 0x3839 <packet len>.w <guild id>.l <type>.w <data>.?b
void intif_parse_GuildBasicInfoChanged(int fd) {
	//int len = RFIFOW(fd,2) - 10;
	int guild_id = RFIFOL(fd,4);
	int type = RFIFOW(fd,8);
	//void* data = RFIFOP(fd,10);

	struct guild* g = guild->search(guild_id);
	if( g == NULL )
		return;

	switch(type) {
		case GBI_EXP:        g->exp = RFIFOQ(fd,10); break;
		case GBI_GUILDLV:    g->guild_lv = RFIFOW(fd,10); break;
		case GBI_SKILLPOINT: g->skill_point = RFIFOL(fd,10); break;
		case GBI_SKILLLV: {
			int idx, max;
			struct guild_skill *gs = (struct guild_skill *)RFIFOP(fd,10);

			idx = gs->id - GD_SKILLBASE;
			Assert_retv(idx >= 0 && idx < MAX_GUILDSKILL);
			max = guild->skill_get_max(gs->id);
			if( gs->lv > max )
				gs->lv = max;

			memcpy(&(g->skill[idx]), gs, sizeof(g->skill[idx]));
			break;
		}
	}
}

// guild member info change notice
// 0x383a <packet len>.w <guild id>.l <account id>.l <char id>.l <type>.w <data>.?b
void intif_parse_GuildMemberInfoChanged(int fd) {
	//int len = RFIFOW(fd,2) - 18;
	int guild_id = RFIFOL(fd,4);
	int account_id = RFIFOL(fd,8);
	int char_id = RFIFOL(fd,12);
	int type = RFIFOW(fd,16);
	//void* data = RFIFOP(fd,18);

	struct guild* g;
	int idx;

	g = guild->search(guild_id);
	if( g == NULL )
		return;

	idx = guild->getindex(g,account_id,char_id);
	if( idx == -1 )
		return;

	switch( type ) {
		case GMI_POSITION:   g->member[idx].position   = RFIFOW(fd,18); guild->memberposition_changed(g,idx,RFIFOW(fd,18)); break;
		case GMI_EXP:        g->member[idx].exp        = RFIFOQ(fd,18); break;
		case GMI_HAIR:       g->member[idx].hair       = RFIFOW(fd,18); break;
		case GMI_HAIR_COLOR: g->member[idx].hair_color = RFIFOW(fd,18); break;
		case GMI_GENDER:     g->member[idx].gender     = RFIFOW(fd,18); break;
		case GMI_CLASS:      g->member[idx].class_     = RFIFOW(fd,18); break;
		case GMI_LEVEL:      g->member[idx].lv         = RFIFOW(fd,18); break;
	}
}

// ACK change of guild title
void intif_parse_GuildPosition(int fd) {
	if (RFIFOW(fd,2)!=sizeof(struct guild_position)+12)
		ShowError("intif: guild info: data size mismatch (%d) %d != %"PRIuS"\n",
		          RFIFOL(fd,4),RFIFOW(fd,2),sizeof(struct guild_position)+12);
	guild->position_changed(RFIFOL(fd,4),RFIFOL(fd,8),(struct guild_position *)RFIFOP(fd,12));
}

// ACK change of guild skill update
void intif_parse_GuildSkillUp(int fd) {
	guild->skillupack(RFIFOL(fd,2),RFIFOL(fd,6),RFIFOL(fd,10));
}

// ACK change of guild relationship
void intif_parse_GuildAlliance(int fd) {
	guild->allianceack(RFIFOL(fd,2),RFIFOL(fd,6),RFIFOL(fd,10),RFIFOL(fd,14),RFIFOB(fd,18),(char *) RFIFOP(fd,19),(char *) RFIFOP(fd,43));
}

// ACK change of guild notice
void intif_parse_GuildNotice(int fd) {
	guild->notice_changed(RFIFOL(fd,2),(char *) RFIFOP(fd,6),(char *) RFIFOP(fd,66));
}

// ACK change of guild emblem
void intif_parse_GuildEmblem(int fd) {
	guild->emblem_changed(RFIFOW(fd,2)-12,RFIFOL(fd,4),RFIFOL(fd,8), (char *)RFIFOP(fd,12));
}

// ACK guild message
void intif_parse_GuildMessage(int fd) {
	guild->recv_message(RFIFOL(fd,4),RFIFOL(fd,8),(char *) RFIFOP(fd,12),RFIFOW(fd,2)-12);
}

// Reply guild castle data request
void intif_parse_GuildCastleDataLoad(int fd) {
	guild->castledataloadack(RFIFOW(fd,2), (struct guild_castle *)RFIFOP(fd,4));
}

// ACK change of guildmaster
void intif_parse_GuildMasterChanged(int fd) {
	guild->gm_changed(RFIFOL(fd,2),RFIFOL(fd,6),RFIFOL(fd,10));
}

// Request pet creation
void intif_parse_CreatePet(int fd) {
	pet->get_egg(RFIFOL(fd,2), RFIFOW(fd,6), RFIFOL(fd,8));
}

// ACK pet data
void intif_parse_RecvPetData(int fd) {
	struct s_pet p;
	int len;
	len=RFIFOW(fd,2);
	if (sizeof(struct s_pet) != len-9) {
		if (battle_config.etc_log)
			ShowError("intif: pet data: data size mismatch %d != %"PRIuS"\n", len-9, sizeof(struct s_pet));
	} else {
		memcpy(&p,RFIFOP(fd,9),sizeof(struct s_pet));
		pet->recv_petdata(RFIFOL(fd,4),&p,RFIFOB(fd,8));
	}
}
/* Really? Whats the point, shouldn't be sent when successful then [Ind] */
// ACK pet save data
void intif_parse_SavePetOk(int fd) {
	if(RFIFOB(fd,6) == 1)
		ShowError("pet data save failure\n");
}
/* Really? Whats the point, shouldn't be sent when successful then [Ind] */
// ACK deleting pet
void intif_parse_DeletePetOk(int fd) {
	if(RFIFOB(fd,2) == 1)
		ShowError("pet data delete failure\n");
}

// ACK changing name request, players,pets,homun
void intif_parse_ChangeNameOk(int fd)
{
	struct map_session_data *sd = NULL;
	if((sd=map->id2sd(RFIFOL(fd,2)))==NULL ||
		sd->status.char_id != RFIFOL(fd,6))
		return;

	switch (RFIFOB(fd,10)) {
	case 0: //Players [NOT SUPPORTED YET]
		break;
	case 1: //Pets
		pet->change_name_ack(sd, (char*)RFIFOP(fd,12), RFIFOB(fd,11));
		break;
	case 2: //Hom
		homun->change_name_ack(sd, (char*)RFIFOP(fd,12), RFIFOB(fd,11));
		break;
	}
	return;
}

//----------------------------------------------------------------
// Homunculus recv packets [albator]

void intif_parse_CreateHomunculus(int fd) {
	int len = RFIFOW(fd,2)-9;
	if (sizeof(struct s_homunculus) != len) {
		if (battle_config.etc_log)
			ShowError("intif: create homun data: data size mismatch %d != %"PRIuS"\n", len, sizeof(struct s_homunculus));
		return;
	}
	homun->recv_data(RFIFOL(fd,4), (struct s_homunculus*)RFIFOP(fd,9), RFIFOB(fd,8)) ;
}

void intif_parse_RecvHomunculusData(int fd) {
	int len = RFIFOW(fd,2)-9;

	if (sizeof(struct s_homunculus) != len) {
		if (battle_config.etc_log)
			ShowError("intif: homun data: data size mismatch %d != %"PRIuS"\n", len, sizeof(struct s_homunculus));
		return;
	}
	homun->recv_data(RFIFOL(fd,4), (struct s_homunculus*)RFIFOP(fd,9), RFIFOB(fd,8));
}

/* Really? Whats the point, shouldn't be sent when successful then [Ind] */
void intif_parse_SaveHomunculusOk(int fd) {
	if(RFIFOB(fd,6) != 1)
		ShowError("homunculus data save failure for account %d\n", RFIFOL(fd,2));
}

/* Really? Whats the point, shouldn't be sent when successful then [Ind] */
void intif_parse_DeleteHomunculusOk(int fd) {
	if(RFIFOB(fd,2) != 1)
		ShowError("Homunculus data delete failure\n");
}

/**************************************

QUESTLOG SYSTEM FUNCTIONS

***************************************/

/**
 * Requests a character's quest log entries to the inter server.
 *
 * @param sd Character's data
 */
void intif_request_questlog(struct map_session_data *sd)
{
	nullpo_retv(sd);
	WFIFOHEAD(inter_fd,6);
	WFIFOW(inter_fd,0) = 0x3060;
	WFIFOL(inter_fd,2) = sd->status.char_id;
	WFIFOSET(inter_fd,6);
}

/**
 * Parses the received quest log entries for a character from the inter server.
 *
 * Received in reply to the requests made by intif_request_questlog.
 *
 * @see intif_parse
 */
void intif_parse_QuestLog(int fd) {
	int char_id = RFIFOL(fd, 4), num_received = (RFIFOW(fd, 2)-8)/sizeof(struct quest);
	struct map_session_data *sd = map->charid2sd(char_id);

	if (!sd) // User not online anymore
		return;

	sd->num_quests = sd->avail_quests = 0;

	if (num_received == 0) {
		if (sd->quest_log) {
			aFree(sd->quest_log);
			sd->quest_log = NULL;
		}
	} else {
		struct quest *received = (struct quest *)RFIFOP(fd, 8);
		int i, k = num_received;
		if (sd->quest_log) {
			RECREATE(sd->quest_log, struct quest, num_received);
		} else {
			CREATE(sd->quest_log, struct quest, num_received);
		}

		for (i = 0; i < num_received; i++) {
			if( quest->db(received[i].quest_id) == &quest->dummy ) {
				ShowError("intif_parse_QuestLog: quest %d not found in DB.\n", received[i].quest_id);
				continue;
			}
			if (received[i].state != Q_COMPLETE) {
				// Insert at the beginning
				memcpy(&sd->quest_log[sd->avail_quests++], &received[i], sizeof(struct quest));
			} else {
				// Insert at the end
				memcpy(&sd->quest_log[--k], &received[i], sizeof(struct quest));
			}
			sd->num_quests++;
		}
		if (sd->avail_quests < k) {
			// sd->avail_quests and k didn't meet in the middle: some entries were skipped
			if (k < num_received) // Move the entries at the end to fill the gap
				memmove(&sd->quest_log[k], &sd->quest_log[sd->avail_quests], sizeof(struct quest)*(num_received - k));
			sd->quest_log = aRealloc(sd->quest_log, sizeof(struct quest)*sd->num_quests);
		}
	}

	quest->pc_login(sd);
}

/**
 * Parses the quest log save ack for a character from the inter server.
 *
 * Received in reply to the requests made by intif_quest_save.
 *
 * @see intif_parse
 */
void intif_parse_QuestSave(int fd) {
	int cid = RFIFOL(fd, 2);
	struct map_session_data *sd = map->id2sd(cid);

	if( !RFIFOB(fd, 6) )
		ShowError("intif_parse_QuestSave: Failed to save quest(s) for character %d!\n", cid);
	else if( sd )
		sd->save_quest = false;
}

/**
 * Requests to the inter server to save a character's quest log entries.
 *
 * @param sd Character's data
 * @return 0 in case of success, nonzero otherwise
 */
int intif_quest_save(struct map_session_data *sd)
{
	int len = sizeof(struct quest)*sd->num_quests + 8;

	if(intif->CheckForCharServer())
		return 1;

	WFIFOHEAD(inter_fd, len);
	WFIFOW(inter_fd,0) = 0x3061;
	WFIFOW(inter_fd,2) = len;
	WFIFOL(inter_fd,4) = sd->status.char_id;
	if( sd->num_quests )
		memcpy(WFIFOP(inter_fd,8), sd->quest_log, sizeof(struct quest)*sd->num_quests);
	WFIFOSET(inter_fd,  len);

	return 0;
}

/*==========================================
 * MAIL SYSTEM
 * By Zephyrus
 *==========================================*/

/*------------------------------------------
 * Inbox Request
 * flag: 0 Update Inbox | 1 OpenMail
 *------------------------------------------*/
int intif_Mail_requestinbox(int char_id, unsigned char flag)
{
	if (intif->CheckForCharServer())
		return 0;

	WFIFOHEAD(inter_fd,7);
	WFIFOW(inter_fd,0) = 0x3048;
	WFIFOL(inter_fd,2) = char_id;
	WFIFOB(inter_fd,6) = flag;
	WFIFOSET(inter_fd,7);

	return 0;
}

void intif_parse_MailInboxReceived(int fd) {
	struct map_session_data *sd;
	unsigned char flag = RFIFOB(fd,8);

	sd = map->charid2sd(RFIFOL(fd,4));

	if (sd == NULL) /** user is not online anymore and its ok (quest log also does this) **/
		return;

	if (RFIFOW(fd,2) - 9 != sizeof(struct mail_data)) {
		ShowError("intif_parse_MailInboxReceived: data size mismatch %d != %"PRIuS"\n", RFIFOW(fd,2) - 9, sizeof(struct mail_data));
		return;
	}

	//FIXME: this operation is not safe [ultramage]
	memcpy(&sd->mail.inbox, RFIFOP(fd,9), sizeof(struct mail_data));
	sd->mail.changed = false; // cache is now in sync

	if (flag)
		clif->mail_refreshinbox(sd);
	else if( battle_config.mail_show_status && ( battle_config.mail_show_status == 1 || sd->mail.inbox.unread ) ) {
		char output[128];
		sprintf(output, msg_sd(sd,510), sd->mail.inbox.unchecked, sd->mail.inbox.unread + sd->mail.inbox.unchecked);
		clif_disp_onlyself(sd, output, strlen(output));
	}
}
/*------------------------------------------
 * Mail Read
 *------------------------------------------*/
int intif_Mail_read(int mail_id)
{
	if (intif->CheckForCharServer())
		return 0;

	WFIFOHEAD(inter_fd,6);
	WFIFOW(inter_fd,0) = 0x3049;
	WFIFOL(inter_fd,2) = mail_id;
	WFIFOSET(inter_fd,6);

	return 0;
}
/*------------------------------------------
 * Get Attachment
 *------------------------------------------*/
int intif_Mail_getattach(int char_id, int mail_id)
{
	if (intif->CheckForCharServer())
		return 0;

	WFIFOHEAD(inter_fd,10);
	WFIFOW(inter_fd,0) = 0x304a;
	WFIFOL(inter_fd,2) = char_id;
	WFIFOL(inter_fd,6) = mail_id;
	WFIFOSET(inter_fd, 10);

	return 0;
}

void intif_parse_MailGetAttach(int fd) {
	struct map_session_data *sd;
	struct item item;
	int zeny = RFIFOL(fd,8);

	Assert_retv(zeny >= 0);
	sd = map->charid2sd( RFIFOL(fd,4) );

	if (sd == NULL) {
		ShowError("intif_parse_MailGetAttach: char not found %d\n",RFIFOL(fd,4));
		return;
	}

	if (RFIFOW(fd,2) - 12 != sizeof(struct item)) {
		ShowError("intif_parse_MailGetAttach: data size mismatch %d != %"PRIuS"\n", RFIFOW(fd,2) - 16, sizeof(struct item));
		return;
	}

	memcpy(&item, RFIFOP(fd,12), sizeof(struct item));

	mail->getattachment(sd, zeny, &item);
}
/*------------------------------------------
 * Delete Message
 *------------------------------------------*/
int intif_Mail_delete(int char_id, int mail_id)
{
	if (intif->CheckForCharServer())
		return 0;

	WFIFOHEAD(inter_fd,10);
	WFIFOW(inter_fd,0) = 0x304b;
	WFIFOL(inter_fd,2) = char_id;
	WFIFOL(inter_fd,6) = mail_id;
	WFIFOSET(inter_fd,10);

	return 0;
}

void intif_parse_MailDelete(int fd) {
	struct map_session_data *sd;
	int char_id = RFIFOL(fd,2);
	int mail_id = RFIFOL(fd,6);
	bool failed = RFIFOB(fd,10);

	if ( (sd = map->charid2sd(char_id)) == NULL) {
		ShowError("intif_parse_MailDelete: char not found %d\n", char_id);
		return;
	}

	if (!failed) {
		int i;
		ARR_FIND(0, MAIL_MAX_INBOX, i, sd->mail.inbox.msg[i].id == mail_id);
		if( i < MAIL_MAX_INBOX ) {
			memset(&sd->mail.inbox.msg[i], 0, sizeof(struct mail_message));
			sd->mail.inbox.amount--;
		}

		if( sd->mail.inbox.full )
			intif->Mail_requestinbox(sd->status.char_id, 1); // Free space is available for new mails
	}

	clif->mail_delete(sd->fd, mail_id, failed);
}
/*------------------------------------------
 * Return Message
 *------------------------------------------*/
int intif_Mail_return(int char_id, int mail_id)
{
	if (intif->CheckForCharServer())
		return 0;

	WFIFOHEAD(inter_fd,10);
	WFIFOW(inter_fd,0) = 0x304c;
	WFIFOL(inter_fd,2) = char_id;
	WFIFOL(inter_fd,6) = mail_id;
	WFIFOSET(inter_fd,10);

	return 0;
}

void intif_parse_MailReturn(int fd) {
	struct map_session_data *sd = map->charid2sd(RFIFOL(fd,2));
	int mail_id = RFIFOL(fd,6);
	short fail = RFIFOB(fd,10);

	if( sd == NULL ) {
		ShowError("intif_parse_MailReturn: char not found %d\n",RFIFOL(fd,2));
		return;
	}

	if( !fail ) {
		int i;
		ARR_FIND(0, MAIL_MAX_INBOX, i, sd->mail.inbox.msg[i].id == mail_id);
		if( i < MAIL_MAX_INBOX ) {
			memset(&sd->mail.inbox.msg[i], 0, sizeof(struct mail_message));
			sd->mail.inbox.amount--;
		}

		if( sd->mail.inbox.full )
			intif->Mail_requestinbox(sd->status.char_id, 1); // Free space is available for new mails
	}

	clif->mail_return(sd->fd, mail_id, fail);
}
/*---------------------------------------…