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clif.c
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clif.c
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// Copyright (c) Athena Dev Teams - Licensed under GNU GPL
// For more information, see LICENCE in the main folder
#include "../common/cbasetypes.h"
#include "../common/socket.h"
#include "../common/timer.h"
#include "../common/grfio.h"
#include "../common/malloc.h"
#include "../common/nullpo.h"
#include "../common/random.h"
#include "../common/showmsg.h"
#include "../common/strlib.h"
#include "../common/utils.h"
#include "../common/ers.h"
#include "../common/conf.h"
#include "map.h"
#include "chrif.h"
#include "pc.h"
#include "status.h"
#include "npc.h"
#include "itemdb.h"
#include "chat.h"
#include "trade.h"
#include "storage.h"
#include "script.h"
#include "skill.h"
#include "atcommand.h"
#include "intif.h"
#include "battle.h"
#include "battleground.h"
#include "mob.h"
#include "party.h"
#include "unit.h"
#include "guild.h"
#include "vending.h"
#include "pet.h"
#include "homunculus.h"
#include "instance.h"
#include "mercenary.h"
#include "elemental.h"
#include "log.h"
#include "clif.h"
#include "mail.h"
#include "quest.h"
#include "cashshop.h"
#include "channel.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <time.h>
/* for clif_clearunit_delayed */
static struct eri *delay_clearunit_ers;
//#define DUMP_UNKNOWN_PACKET
//#define DUMP_INVALID_PACKET
struct Clif_Config {
int packet_db_ver; //Preferred packet version.
int connect_cmd[MAX_PACKET_VER + 1]; //Store the connect command for all versions. [Skotlex]
} clif_config;
struct s_packet_db packet_db[MAX_PACKET_VER + 1][MAX_PACKET_DB + 1];
int packet_db_ack[MAX_PACKET_VER + 1][MAX_ACK_FUNC + 1];
#ifdef PACKET_OBFUSCATION
static struct s_packet_keys *packet_keys[MAX_PACKET_VER + 1];
static unsigned int clif_cryptKey[3]; // Used keys
#endif
static unsigned short clif_parse_cmd(int fd, struct map_session_data *sd);
static bool clif_session_isValid(struct map_session_data *sd);
/** Converts item type to display it on client if necessary.
* @param nameid: Item ID
* @return item type. For IT_PETEGG will be displayed as IT_WEAPON. If Shadow Weapon of IT_SHADOWGEAR as IT_WEAPON and else as IT_ARMOR
*/
static inline int itemtype(unsigned short nameid) {
struct item_data* id = itemdb_search(nameid); //Use itemdb_search, so non-existance item will use dummy data and won't crash the server. bugreport:8468
int type = id->type;
if( type == IT_SHADOWGEAR ) {
if( id->equip&EQP_SHADOW_WEAPON )
return IT_WEAPON;
else
return IT_ARMOR;
}
return ( type == IT_PETEGG ) ? IT_WEAPON : type;
}
static inline void WBUFPOS(uint8* p, unsigned short pos, short x, short y, unsigned char dir) {
p += pos;
p[0] = (uint8)(x>>2);
p[1] = (uint8)((x<<6) | ((y>>4)&0x3f));
p[2] = (uint8)((y<<4) | (dir&0xf));
}
// client-side: x0+=sx0*0.0625-0.5 and y0+=sy0*0.0625-0.5
static inline void WBUFPOS2(uint8* p, unsigned short pos, short x0, short y0, short x1, short y1, unsigned char sx0, unsigned char sy0) {
p += pos;
p[0] = (uint8)(x0>>2);
p[1] = (uint8)((x0<<6) | ((y0>>4)&0x3f));
p[2] = (uint8)((y0<<4) | ((x1>>6)&0x0f));
p[3] = (uint8)((x1<<2) | ((y1>>8)&0x03));
p[4] = (uint8)y1;
p[5] = (uint8)((sx0<<4) | (sy0&0x0f));
}
static inline void WFIFOPOS(int fd, unsigned short pos, short x, short y, unsigned char dir) {
WBUFPOS(WFIFOP(fd,pos), 0, x, y, dir);
}
static inline void WFIFOPOS2(int fd, unsigned short pos, short x0, short y0, short x1, short y1, unsigned char sx0, unsigned char sy0) {
WBUFPOS2(WFIFOP(fd,pos), 0, x0, y0, x1, y1, sx0, sy0);
}
static inline void RBUFPOS(const uint8* p, unsigned short pos, short* x, short* y, unsigned char* dir) {
p += pos;
if( x ) {
x[0] = ( ( p[0] & 0xff ) << 2 ) | ( p[1] >> 6 );
}
if( y ) {
y[0] = ( ( p[1] & 0x3f ) << 4 ) | ( p[2] >> 4 );
}
if( dir ) {
dir[0] = ( p[2] & 0x0f );
}
}
static inline void RBUFPOS2(const uint8* p, unsigned short pos, short* x0, short* y0, short* x1, short* y1, unsigned char* sx0, unsigned char* sy0) {
p += pos;
if( x0 ) {
x0[0] = ( ( p[0] & 0xff ) << 2 ) | ( p[1] >> 6 );
}
if( y0 ) {
y0[0] = ( ( p[1] & 0x3f ) << 4 ) | ( p[2] >> 4 );
}
if( x1 ) {
x1[0] = ( ( p[2] & 0x0f ) << 6 ) | ( p[3] >> 2 );
}
if( y1 ) {
y1[0] = ( ( p[3] & 0x03 ) << 8 ) | ( p[4] >> 0 );
}
if( sx0 ) {
sx0[0] = ( p[5] & 0xf0 ) >> 4;
}
if( sy0 ) {
sy0[0] = ( p[5] & 0x0f ) >> 0;
}
}
static inline void RFIFOPOS(int fd, unsigned short pos, short* x, short* y, unsigned char* dir) {
RBUFPOS(RFIFOP(fd,pos), 0, x, y, dir);
}
static inline void RFIFOPOS2(int fd, unsigned short pos, short* x0, short* y0, short* x1, short* y1, unsigned char* sx0, unsigned char* sy0) {
RBUFPOS2(WFIFOP(fd,pos), 0, x0, y0, x1, y1, sx0, sy0);
}
//To idenfity disguised characters.
static inline bool disguised(struct block_list* bl) {
return (bool)( bl->type == BL_PC && ((TBL_PC*)bl)->disguise );
}
//Guarantees that the given string does not exceeds the allowed size, as well as making sure it's null terminated. [Skotlex]
static inline unsigned int mes_len_check(char* mes, unsigned int len, unsigned int max) {
if( len > max )
len = max;
mes[len-1] = '\0';
return len;
}
static char map_ip_str[128];
static uint32 map_ip;
static uint32 bind_ip = INADDR_ANY;
static uint16 map_port = 5121;
static bool clif_ally_only = false;
int map_fd;
static int clif_parse (int fd);
/*==========================================
* Ip setting of map-server
*------------------------------------------*/
int clif_setip(const char* ip) {
char ip_str[16];
map_ip = host2ip(ip);
if (!map_ip) {
ShowWarning("Failed to Resolve Map Server Address! (%s)\n", ip);
return 0;
}
safestrncpy(map_ip_str, ip, sizeof(map_ip_str));
ShowInfo("Map Server IP Address : '"CL_WHITE"%s"CL_RESET"' -> '"CL_WHITE"%s"CL_RESET"'.\n", ip, ip2str(map_ip, ip_str));
return 1;
}
void clif_setbindip(const char* ip)
{
bind_ip = host2ip(ip);
if (bind_ip) {
char ip_str[16];
ShowInfo("Map Server Bind IP Address : '"CL_WHITE"%s"CL_RESET"' -> '"CL_WHITE"%s"CL_RESET"'.\n", ip, ip2str(bind_ip, ip_str));
} else {
ShowWarning("Failed to Resolve Map Server Address! (%s)\n", ip);
}
}
/*==========================================
* Sets map port to 'port'
* is run from map.c upon loading map server configuration
*------------------------------------------*/
void clif_setport(uint16 port)
{
map_port = port;
}
/*==========================================
* Returns map server IP
*------------------------------------------*/
uint32 clif_getip(void)
{
return map_ip;
}
//Refreshes map_server ip, returns the new ip if the ip changed, otherwise it returns 0.
uint32 clif_refresh_ip(void)
{
uint32 new_ip;
new_ip = host2ip(map_ip_str);
if (new_ip && new_ip != map_ip) {
map_ip = new_ip;
ShowInfo("Updating IP resolution of [%s].\n", map_ip_str);
return map_ip;
}
return 0;
}
/*==========================================
* Returns map port which is set by clif_setport()
*------------------------------------------*/
uint16 clif_getport(void)
{
return map_port;
}
#if PACKETVER >= 20071106
static inline unsigned char clif_bl_type(struct block_list *bl) {
switch (bl->type) {
case BL_PC: return (disguised(bl) && !pcdb_checkid(status_get_viewdata(bl)->class_))? 0x1:0x0; //PC_TYPE
case BL_ITEM: return 0x2; //ITEM_TYPE
case BL_SKILL: return 0x3; //SKILL_TYPE
case BL_CHAT: return 0x4; //UNKNOWN_TYPE
case BL_MOB: return pcdb_checkid(status_get_viewdata(bl)->class_)?0x0:0x5; //NPC_MOB_TYPE
case BL_NPC: return pcdb_checkid(status_get_viewdata(bl)->class_)?0x0:0x6; //NPC_EVT_TYPE
case BL_PET: return pcdb_checkid(status_get_viewdata(bl)->class_)?0x0:0x7; //NPC_PET_TYPE
case BL_HOM: return 0x8; //NPC_HOM_TYPE
case BL_MER: return 0x9; //NPC_MERSOL_TYPE
case BL_ELEM: return 0xa; //NPC_ELEMENTAL_TYPE
default: return 0x1; //NPC_TYPE
}
}
#endif
static bool clif_session_isValid(struct map_session_data *sd) {
if (sd != NULL && sd->packet_ver <= MAX_PACKET_VER && session_isActive(sd->fd))
return true;
return false;
}
/*==========================================
* sub process of clif_send
* Called from a map_foreachinarea (grabs all players in specific area and subjects them to this function)
* In order to send area-wise packets, such as:
* - AREA : everyone nearby your area
* - AREA_WOSC (AREA WITHOUT SAME CHAT) : Not run for people in the same chat as yours
* - AREA_WOC (AREA WITHOUT CHAT) : Not run for people inside a chat
* - AREA_WOS (AREA WITHOUT SELF) : Not run for self
* - AREA_CHAT_WOC : Everyone in the area of your chat without a chat
*------------------------------------------*/
static int clif_send_sub(struct block_list *bl, va_list ap)
{
struct block_list *src_bl;
struct map_session_data *sd;
unsigned char *buf;
int len, type, fd;
nullpo_ret(bl);
nullpo_ret(sd = (struct map_session_data *)bl);
fd = sd->fd;
if (!fd) //Don't send to disconnected clients.
return 0;
buf = va_arg(ap,unsigned char*);
len = va_arg(ap,int);
nullpo_ret(src_bl = va_arg(ap,struct block_list*));
type = va_arg(ap,int);
switch(type) {
case AREA_WOS:
if (bl == src_bl)
return 0;
break;
case AREA_WOC:
if (sd->chatID || bl == src_bl)
return 0;
break;
case AREA_WOSC:
{
if(src_bl->type == BL_PC) {
struct map_session_data *ssd = (struct map_session_data *)src_bl;
if (ssd && sd->chatID && (sd->chatID == ssd->chatID))
return 0;
}
else if(src_bl->type == BL_NPC) {
struct npc_data *nd = (struct npc_data *)src_bl;
if (nd && sd->chatID && (sd->chatID == nd->chat_id))
return 0;
}
}
break;
}
if (session[fd] == NULL)
return 0;
/* unless visible, hold it here */
if (!battle_config.update_enemy_position && clif_ally_only && !sd->special_state.intravision &&
!sd->sc.data[SC_INTRAVISION] && battle_check_target(src_bl,&sd->bl,BCT_ENEMY) > 0)
return 0;
WFIFOHEAD(fd, len);
if (WFIFOP(fd,0) == buf) {
ShowError("WARNING: Invalid use of clif_send function\n");
ShowError(" Packet x%4x use a WFIFO of a player instead of to use a buffer.\n", WBUFW(buf,0));
ShowError(" Please correct your code.\n");
// don't send to not move the pointer of the packet for next sessions in the loop
//WFIFOSET(fd,0);//## TODO is this ok?
//NO. It is not ok. There is the chance WFIFOSET actually sends the buffer data, and shifts elements around, which will corrupt the buffer.
return 0;
}
if (packet_db[sd->packet_ver][RBUFW(buf,0)].len) { // packet must exist for the client version
memcpy(WFIFOP(fd,0), buf, len);
WFIFOSET(fd,len);
}
return 0;
}
/*==========================================
* Packet Delegation (called on all packets that require data to be sent to more than one client)
* functions that are sent solely to one use whose ID it posses use WFIFOSET
*------------------------------------------*/
int clif_send(const uint8* buf, int len, struct block_list* bl, enum send_target type)
{
int i;
struct map_session_data *sd, *tsd;
struct party_data *p = NULL;
struct guild *g = NULL;
struct battleground_data *bg = NULL;
int x0 = 0, x1 = 0, y0 = 0, y1 = 0, fd;
struct s_mapiterator* iter;
if( type != ALL_CLIENT )
nullpo_ret(bl);
sd = BL_CAST(BL_PC, bl);
switch(type) {
case ALL_CLIENT: //All player clients.
iter = mapit_getallusers();
while( (tsd = (TBL_PC*)mapit_next(iter)) != NULL )
{
if( packet_db[tsd->packet_ver][RBUFW(buf,0)].len )
{ // packet must exist for the client version
WFIFOHEAD(tsd->fd, len);
memcpy(WFIFOP(tsd->fd,0), buf, len);
WFIFOSET(tsd->fd,len);
}
}
mapit_free(iter);
break;
case ALL_SAMEMAP: //All players on the same map
iter = mapit_getallusers();
while( (tsd = (TBL_PC*)mapit_next(iter)) != NULL )
{
if( bl->m == tsd->bl.m && packet_db[tsd->packet_ver][RBUFW(buf,0)].len )
{ // packet must exist for the client version
WFIFOHEAD(tsd->fd, len);
memcpy(WFIFOP(tsd->fd,0), buf, len);
WFIFOSET(tsd->fd,len);
}
}
mapit_free(iter);
break;
case AREA:
case AREA_WOSC:
if (sd && bl->prev == NULL) //Otherwise source misses the packet.[Skotlex]
clif_send (buf, len, bl, SELF);
case AREA_WOC:
case AREA_WOS:
map_foreachinarea(clif_send_sub, bl->m, bl->x-AREA_SIZE, bl->y-AREA_SIZE, bl->x+AREA_SIZE, bl->y+AREA_SIZE,
BL_PC, buf, len, bl, type);
break;
case AREA_CHAT_WOC:
map_foreachinarea(clif_send_sub, bl->m, bl->x-(AREA_SIZE-5), bl->y-(AREA_SIZE-5),
bl->x+(AREA_SIZE-5), bl->y+(AREA_SIZE-5), BL_PC, buf, len, bl, AREA_WOC);
break;
case CHAT:
case CHAT_WOS:
{
struct chat_data *cd;
if (sd) {
cd = (struct chat_data*)map_id2bl(sd->chatID);
} else if (bl->type == BL_CHAT) {
cd = (struct chat_data*)bl;
} else break;
if (cd == NULL)
break;
for(i = 0; i < cd->users; i++) {
if (type == CHAT_WOS && cd->usersd[i] == sd)
continue;
if (packet_db[cd->usersd[i]->packet_ver][RBUFW(buf,0)].len) { // packet must exist for the client version
if ((fd=cd->usersd[i]->fd) >0 && session[fd]) // Added check to see if session exists [PoW]
{
WFIFOHEAD(fd,len);
memcpy(WFIFOP(fd,0), buf, len);
WFIFOSET(fd,len);
}
}
}
}
break;
case PARTY_AREA:
case PARTY_AREA_WOS:
x0 = bl->x - AREA_SIZE;
y0 = bl->y - AREA_SIZE;
x1 = bl->x + AREA_SIZE;
y1 = bl->y + AREA_SIZE;
case PARTY:
case PARTY_WOS:
case PARTY_SAMEMAP:
case PARTY_SAMEMAP_WOS:
if (sd && sd->status.party_id)
p = party_search(sd->status.party_id);
if (p) {
for(i=0;i<MAX_PARTY;i++){
if( (sd = p->data[i].sd) == NULL )
continue;
if( !(fd=sd->fd) )
continue;
if( sd->bl.id == bl->id && (type == PARTY_WOS || type == PARTY_SAMEMAP_WOS || type == PARTY_AREA_WOS) )
continue;
if( type != PARTY && type != PARTY_WOS && bl->m != sd->bl.m )
continue;
if( (type == PARTY_AREA || type == PARTY_AREA_WOS) && (sd->bl.x < x0 || sd->bl.y < y0 || sd->bl.x > x1 || sd->bl.y > y1) )
continue;
if( packet_db[sd->packet_ver][RBUFW(buf,0)].len )
{ // packet must exist for the client version
WFIFOHEAD(fd,len);
memcpy(WFIFOP(fd,0), buf, len);
WFIFOSET(fd,len);
}
}
if (!enable_spy) //Skip unnecessary parsing. [Skotlex]
break;
iter = mapit_getallusers();
while( (tsd = (TBL_PC*)mapit_next(iter)) != NULL )
{
if( tsd->partyspy == p->party.party_id && packet_db[tsd->packet_ver][RBUFW(buf,0)].len )
{ // packet must exist for the client version
WFIFOHEAD(tsd->fd, len);
memcpy(WFIFOP(tsd->fd,0), buf, len);
WFIFOSET(tsd->fd,len);
}
}
mapit_free(iter);
}
break;
case DUEL:
case DUEL_WOS:
if (!sd || !sd->duel_group) break; //Invalid usage.
iter = mapit_getallusers();
while( (tsd = (TBL_PC*)mapit_next(iter)) != NULL )
{
if( type == DUEL_WOS && bl->id == tsd->bl.id )
continue;
if( sd->duel_group == tsd->duel_group && packet_db[tsd->packet_ver][RBUFW(buf,0)].len )
{ // packet must exist for the client version
WFIFOHEAD(tsd->fd, len);
memcpy(WFIFOP(tsd->fd,0), buf, len);
WFIFOSET(tsd->fd,len);
}
}
mapit_free(iter);
break;
case SELF:
if (sd && (fd=sd->fd) && packet_db[sd->packet_ver][RBUFW(buf,0)].len) { // packet must exist for the client version
WFIFOHEAD(fd,len);
memcpy(WFIFOP(fd,0), buf, len);
WFIFOSET(fd,len);
}
break;
// New definitions for guilds [Valaris] - Cleaned up and reorganized by [Skotlex]
case GUILD_AREA:
case GUILD_AREA_WOS:
x0 = bl->x - AREA_SIZE;
y0 = bl->y - AREA_SIZE;
x1 = bl->x + AREA_SIZE;
y1 = bl->y + AREA_SIZE;
case GUILD_SAMEMAP:
case GUILD_SAMEMAP_WOS:
case GUILD:
case GUILD_WOS:
case GUILD_NOBG:
if (sd && sd->status.guild_id)
g = sd->guild;
if (g) {
for(i = 0; i < g->max_member; i++) {
if( (sd = g->member[i].sd) != NULL )
{
if( !(fd=sd->fd) )
continue;
if( type == GUILD_NOBG && sd->bg_id )
continue;
if( sd->bl.id == bl->id && (type == GUILD_WOS || type == GUILD_SAMEMAP_WOS || type == GUILD_AREA_WOS) )
continue;
if( type != GUILD && type != GUILD_NOBG && type != GUILD_WOS && sd->bl.m != bl->m )
continue;
if( (type == GUILD_AREA || type == GUILD_AREA_WOS) && (sd->bl.x < x0 || sd->bl.y < y0 || sd->bl.x > x1 || sd->bl.y > y1) )
continue;
if( packet_db[sd->packet_ver][RBUFW(buf,0)].len )
{ // packet must exist for the client version
WFIFOHEAD(fd,len);
memcpy(WFIFOP(fd,0), buf, len);
WFIFOSET(fd,len);
}
}
}
if (!enable_spy) //Skip unnecessary parsing. [Skotlex]
break;
iter = mapit_getallusers();
while( (tsd = (TBL_PC*)mapit_next(iter)) != NULL )
{
if( tsd->guildspy == g->guild_id && packet_db[tsd->packet_ver][RBUFW(buf,0)].len )
{ // packet must exist for the client version
WFIFOHEAD(tsd->fd, len);
memcpy(WFIFOP(tsd->fd,0), buf, len);
WFIFOSET(tsd->fd,len);
}
}
mapit_free(iter);
}
break;
case BG_AREA:
case BG_AREA_WOS:
x0 = bl->x - AREA_SIZE;
y0 = bl->y - AREA_SIZE;
x1 = bl->x + AREA_SIZE;
y1 = bl->y + AREA_SIZE;
case BG_SAMEMAP:
case BG_SAMEMAP_WOS:
case BG:
case BG_WOS:
if( sd && sd->bg_id && (bg = bg_team_search(sd->bg_id)) != NULL )
{
for( i = 0; i < MAX_BG_MEMBERS; i++ )
{
if( (sd = bg->members[i].sd) == NULL || !(fd = sd->fd) )
continue;
if( sd->bl.id == bl->id && (type == BG_WOS || type == BG_SAMEMAP_WOS || type == BG_AREA_WOS) )
continue;
if( type != BG && type != BG_WOS && sd->bl.m != bl->m )
continue;
if( (type == BG_AREA || type == BG_AREA_WOS) && (sd->bl.x < x0 || sd->bl.y < y0 || sd->bl.x > x1 || sd->bl.y > y1) )
continue;
if( packet_db[sd->packet_ver][RBUFW(buf,0)].len )
{ // packet must exist for the client version
WFIFOHEAD(fd,len);
memcpy(WFIFOP(fd,0), buf, len);
WFIFOSET(fd,len);
}
}
}
break;
default:
ShowError("clif_send: Unrecognized type %d\n",type);
return -1;
}
return 0;
}
/// Notifies the client, that it's connection attempt was accepted.
/// 0073 <start time>.L <position>.3B <x size>.B <y size>.B (ZC_ACCEPT_ENTER)
/// 02eb <start time>.L <position>.3B <x size>.B <y size>.B <font>.W (ZC_ACCEPT_ENTER2)
void clif_authok(struct map_session_data *sd)
{
#if PACKETVER < 20080102
const int cmd = 0x73;
#elif PACKETVER < 20141022
const int cmd = 0x2eb;
#else
const int cmd = 0xa18;
#endif
int fd = sd->fd;
WFIFOHEAD(fd,packet_len(cmd));
WFIFOW(fd, 0) = cmd;
WFIFOL(fd, 2) = gettick();
WFIFOPOS(fd, 6, sd->bl.x, sd->bl.y, sd->ud.dir);
WFIFOB(fd, 9) = 5; // ignored
WFIFOB(fd,10) = 5; // ignored
#if PACKETVER >= 20080102
WFIFOW(fd,11) = sd->status.font;
#endif
#if PACKETVER >= 20141016
WFIFOB(fd,13) = sd->status.sex;
#endif
WFIFOSET(fd,packet_len(cmd));
}
/// Notifies the client, that it's connection attempt was refused (ZC_REFUSE_ENTER).
/// 0074 <error code>.B
/// error code:
/// 0 = client type mismatch
/// 1 = ID mismatch
/// 2 = mobile - out of available time
/// 3 = mobile - already logged in
/// 4 = mobile - waiting state
void clif_authrefuse(int fd, uint8 error_code)
{
WFIFOHEAD(fd,packet_len(0x74));
WFIFOW(fd,0) = 0x74;
WFIFOB(fd,2) = error_code;
WFIFOSET(fd,packet_len(0x74));
}
/// Notifies the client of a ban or forced disconnect (SC_NOTIFY_BAN).
/// 0081 <error code>.B
/// error code:
/// 0 = BAN_UNFAIR
/// 1 = server closed -> MsgStringTable[4]
/// 2 = ID already logged in -> MsgStringTable[5]
/// 3 = timeout/too much lag -> MsgStringTable[241]
/// 4 = server full -> MsgStringTable[264]
/// 5 = underaged -> MsgStringTable[305]
/// 8 = Server sill recognizes last connection -> MsgStringTable[441]
/// 9 = too many connections from this ip -> MsgStringTable[529]
/// 10 = out of available time paid for -> MsgStringTable[530]
/// 11 = BAN_PAY_SUSPEND
/// 12 = BAN_PAY_CHANGE
/// 13 = BAN_PAY_WRONGIP
/// 14 = BAN_PAY_PNGAMEROOM
/// 15 = disconnected by a GM -> if( servicetype == taiwan ) MsgStringTable[579]
/// 16 = BAN_JAPAN_REFUSE1
/// 17 = BAN_JAPAN_REFUSE2
/// 18 = BAN_INFORMATION_REMAINED_ANOTHER_ACCOUNT
/// 100 = BAN_PC_IP_UNFAIR
/// 101 = BAN_PC_IP_COUNT_ALL
/// 102 = BAN_PC_IP_COUNT
/// 103 = BAN_GRAVITY_MEM_AGREE
/// 104 = BAN_GAME_MEM_AGREE
/// 105 = BAN_HAN_VALID
/// 106 = BAN_PC_IP_LIMIT_ACCESS
/// 107 = BAN_OVER_CHARACTER_LIST
/// 108 = BAN_IP_BLOCK
/// 109 = BAN_INVALID_PWD_CNT
/// 110 = BAN_NOT_ALLOWED_JOBCLASS
/// ? = disconnected -> MsgStringTable[3]
void clif_authfail_fd(int fd, int type)
{
if (!fd || !session[fd] || session[fd]->func_parse != clif_parse) //clif_authfail should only be invoked on players!
return;
WFIFOHEAD(fd, packet_len(0x81));
WFIFOW(fd,0) = 0x81;
WFIFOB(fd,2) = type;
WFIFOSET(fd,packet_len(0x81));
set_eof(fd);
}
/// Notifies the client, whether it can disconnect and change servers (ZC_RESTART_ACK).
/// 00b3 <type>.B
/// type:
/// 1 = disconnect, char-select
/// ? = nothing
void clif_charselectok(int id, uint8 ok)
{
struct map_session_data* sd;
int fd;
if ((sd = map_id2sd(id)) == NULL || !sd->fd)
return;
fd = sd->fd;
WFIFOHEAD(fd,packet_len(0xb3));
WFIFOW(fd,0) = 0xb3;
WFIFOB(fd,2) = ok;
WFIFOSET(fd,packet_len(0xb3));
}
/// Makes an item appear on the ground.
/// 009e <id>.L <name id>.W <identified>.B <x>.W <y>.W <subX>.B <subY>.B <amount>.W (ZC_ITEM_FALL_ENTRY)
/// 084b <id>.L <name id>.W <type>.W <identified>.B <x>.W <y>.W <subX>.B <subY>.B <amount>.W (ZC_ITEM_FALL_ENTRY4)
void clif_dropflooritem(struct flooritem_data* fitem)
{
#if PACKETVER >= 20130000
uint8 buf[19];
uint32 header=0x84b;
#else
uint8 buf[17];
uint32 header=0x09e;
#endif
int view, offset=0;
nullpo_retv(fitem);
if (fitem->item.nameid == 0)
return;
WBUFW(buf, offset+0) = header;
WBUFL(buf, offset+2) = fitem->bl.id;
WBUFW(buf, offset+6) = ((view = itemdb_viewid(fitem->item.nameid)) > 0) ? view : fitem->item.nameid;
#if PACKETVER >= 20130000
WBUFW(buf, offset+8) = itemtype(fitem->item.nameid);
offset +=2;
#endif
WBUFB(buf, offset+8) = fitem->item.identify;
WBUFW(buf, offset+9) = fitem->bl.x;
WBUFW(buf, offset+11) = fitem->bl.y;
WBUFB(buf, offset+13) = fitem->subx;
WBUFB(buf, offset+14) = fitem->suby;
WBUFW(buf, offset+15) = fitem->item.amount;
clif_send(buf, packet_len(header), &fitem->bl, AREA);
}
/// Makes an item disappear from the ground.
/// 00a1 <id>.L (ZC_ITEM_DISAPPEAR)
void clif_clearflooritem(struct flooritem_data *fitem, int fd)
{
unsigned char buf[16];
nullpo_retv(fitem);
WBUFW(buf,0) = 0xa1;
WBUFL(buf,2) = fitem->bl.id;
if (fd == 0) {
clif_send(buf, packet_len(0xa1), &fitem->bl, AREA);
} else {
WFIFOHEAD(fd,packet_len(0xa1));
memcpy(WFIFOP(fd,0), buf, packet_len(0xa1));
WFIFOSET(fd,packet_len(0xa1));
}
}
/// Makes a unit (char, npc, mob, homun) disappear to one client (ZC_NOTIFY_VANISH).
/// 0080 <id>.L <type>.B
/// type:
/// 0 = out of sight
/// 1 = died
/// 2 = logged out
/// 3 = teleport
/// 4 = trickdead
void clif_clearunit_single(int id, clr_type type, int fd)
{
WFIFOHEAD(fd, packet_len(0x80));
WFIFOW(fd,0) = 0x80;
WFIFOL(fd,2) = id;
WFIFOB(fd,6) = type;
WFIFOSET(fd, packet_len(0x80));
}
/// Makes a unit (char, npc, mob, homun) disappear to all clients in area (ZC_NOTIFY_VANISH).
/// 0080 <id>.L <type>.B
/// type:
/// 0 = out of sight
/// 1 = died
/// 2 = logged out
/// 3 = teleport
/// 4 = trickdead
void clif_clearunit_area(struct block_list* bl, clr_type type)
{
unsigned char buf[8];
nullpo_retv(bl);
WBUFW(buf,0) = 0x80;
WBUFL(buf,2) = bl->id;
WBUFB(buf,6) = type;
clif_send(buf, packet_len(0x80), bl, type == CLR_DEAD ? AREA : AREA_WOS);
if(disguised(bl)) {
WBUFL(buf,2) = -bl->id;
clif_send(buf, packet_len(0x80), bl, SELF);
}
}
/// Used to make monsters with player-sprites disappear after dying
/// like normal monsters, because the client does not remove those
/// automatically.
static int clif_clearunit_delayed_sub(int tid, unsigned int tick, int id, intptr_t data)
{
struct block_list *bl = (struct block_list *)data;
clif_clearunit_area(bl, (clr_type) id);
ers_free(delay_clearunit_ers,bl);
return 0;
}
void clif_clearunit_delayed(struct block_list* bl, clr_type type, unsigned int tick)
{
struct block_list *tbl = ers_alloc(delay_clearunit_ers, struct block_list);
memcpy (tbl, bl, sizeof (struct block_list));
add_timer(tick, clif_clearunit_delayed_sub, (int)type, (intptr_t)tbl);
}
void clif_get_weapon_view(struct map_session_data* sd, unsigned short *rhand, unsigned short *lhand)
{
if(sd->sc.option&OPTION_COSTUME)
{
*rhand = *lhand = 0;
return;
}
#if PACKETVER < 4
*rhand = sd->status.weapon;
*lhand = sd->status.shield;
#else
if (sd->equip_index[EQI_HAND_R] >= 0 &&
sd->inventory_data[sd->equip_index[EQI_HAND_R]])
{
struct item_data* id = sd->inventory_data[sd->equip_index[EQI_HAND_R]];
if (id->view_id > 0)
*rhand = id->view_id;
else
*rhand = id->nameid;
} else
*rhand = 0;
if (sd->equip_index[EQI_HAND_L] >= 0 &&
sd->equip_index[EQI_HAND_L] != sd->equip_index[EQI_HAND_R] &&
sd->inventory_data[sd->equip_index[EQI_HAND_L]])
{
struct item_data* id = sd->inventory_data[sd->equip_index[EQI_HAND_L]];
if (id->view_id > 0)
*lhand = id->view_id;
else
*lhand = id->nameid;
} else
*lhand = 0;
#endif
}
//To make the assignation of the level based on limits clearer/easier. [Skotlex]
static int clif_setlevel_sub(int lv) {
if( lv < battle_config.max_lv ) {
;
} else if( lv < battle_config.aura_lv ) {
lv = battle_config.max_lv - 1;
} else {
lv = battle_config.max_lv;
}
return lv;
}
static int clif_setlevel(struct block_list* bl) {
int lv = status_get_lv(bl);
if( battle_config.client_limit_unit_lv&bl->type )
return clif_setlevel_sub(lv);
switch( bl->type ) {
case BL_NPC:
case BL_PET:
// npcs and pets do not have level
return 0;
}
return lv;
}
/*==========================================
* Prepares 'unit standing/spawning' packet
*------------------------------------------*/
static int clif_set_unit_idle(struct block_list* bl, unsigned char* buffer, bool spawn)
{
struct map_session_data* sd;
struct status_change* sc = status_get_sc(bl);
struct view_data* vd = status_get_viewdata(bl);
unsigned char *buf = WBUFP(buffer, 0);
#if PACKETVER < 20091103
bool type = !pcdb_checkid(vd->class_);
#endif
unsigned short offset = 0;
#if PACKETVER >= 20091103
const char *name;
#endif
sd = BL_CAST(BL_PC, bl);
#if PACKETVER < 20091103
if(type)
WBUFW(buf,0) = spawn ? 0x7c : 0x78;
else
#endif
#if PACKETVER < 4
WBUFW(buf,0) = spawn ? 0x79 : 0x78;
#elif PACKETVER < 7
WBUFW(buf,0) = spawn ? 0x1d9 : 0x1d8;
#elif PACKETVER < 20080102
WBUFW(buf,0) = spawn ? 0x22b : 0x22a;
#elif PACKETVER < 20091103
WBUFW(buf,0) = spawn ? 0x2ed : 0x2ee;
#elif PACKETVER < 20101124
WBUFW(buf,0) = spawn ? 0x7f8 : 0x7f9;
#elif PACKETVER < 20120221
WBUFW(buf,0) = spawn ? 0x858 : 0x857;
#elif PACKETVER < 20131223
WBUFW(buf,0) = spawn ? 0x90f : 0x915;
#elif PACKETVER < 20150513
WBUFW(buf,0) = spawn ? 0x9dc : 0x9dd;
#else
WBUFW(buf,0) = spawn ? 0x9fe : 0x9ff;
#endif
#if PACKETVER >= 20091103
name = status_get_name(bl);
#if PACKETVER < 20110111
WBUFW(buf,2) = (spawn ? 62 : 63)+strlen(name);
#elif PACKETVER < 20120221
WBUFW(buf,2) = (uint16)((spawn ? 64 : 65)+strlen(name));
#elif PACKETVER < 20130807
WBUFW(buf,2) = (uint16)((spawn ? 77 : 78)+strlen(name));
#else
WBUFW(buf,2) = (uint16)((spawn ? 79 : 80)+strlen(name));
#endif
WBUFB(buf,4) = clif_bl_type(bl);
offset+=3;
buf = WBUFP(buffer,offset);
#elif PACKETVER >= 20071106
if (type) { //Non-player packets
WBUFB(buf,2) = clif_bl_type(bl);