/// <summary>
/// <para>ID 0x0436</para>
/// <para>Length 19</para>
/// <para>First packet after selecting a character</para>
/// </summary>
public static void WantToConnect(NetState state, PacketReader reader)
{
int accountID = reader.ReadInt32();
int charID = reader.ReadInt32();
int loginID1 = reader.ReadInt32();
int clientTick = reader.ReadInt32();
byte iSex = reader.ReadByte();
EAccountSex sex = (EAccountSex)iSex;
state.Account = World.GetAccount(accountID);
if (state.Account == null || state.Account.AccountState != EAccountState.Char)
{
state.Disconnect();
return;
}
if (state.Account.LoginID1 != loginID1 || state.Account.Sex != sex)
{
state.Disconnect();
return;
}
if (state.Account.ActiveChar == null || state.Account.ActiveChar.ID != charID)
{
state.Disconnect();
return;
}
// Mark as authed
state.Account.AccountState = EAccountState.World;
state.Send(new Response.WorldAuthOK(state.Account));
}
/// <summary>
/// <para>ID 0x007D</para>
/// <para>Length 0</para>
/// <para>Notification that the client ressource loading has completed</para>
/// <para>
/// No data given, but its the right place to load and send
/// everything else.
/// </para>
/// </summary>
public static void LoadEndAck(NetState state, PacketReader reader)
{
if (state.IsValid(EAccountState.World) == false)
{
state.Disconnect();
return;
}
// TODO:
// - check if variable loading and every other hist has been finished
// - check for rewarp (find out)
// - changelook calls
// - send inventory list
// - check items
// - if cart on, send cart-info and check items
// - send weights
// - if guild, send short guild info
// - check for invicible timer
// - clif_spawn() (.. what? Oo)
// - if party, send infos
// - check for pvp, gvg, duel, ...
// - getareacharinfo for nearby objects
// - pet, homunculus, mercanery
// - if first connection, send complete status
// - send friendlist info (friend logged in)
// - login npc events
// - if not first connect, refresh some infos
// - many many more..
}
/// Request for game exiting
/// 018A 4: <dont_know>.W
public static void QuitGame(NetState state, PacketReader reader)
{
if (state.IsValid(EAccountState.World) == false)
{
state.Disconnect();
return;
}
// TODO: logout check
state.Send(new Response.WorldConfirmGameExit(true));
}
/// Notification of the state of client command /effect (CZ_LESSEFFECT)
/// 021D 6: <state>.L
public static void LessEffect(NetState state, PacketReader reader)
{
if (state.IsValid(EAccountState.World) == false)
{
state.Disconnect();
return;
}
// 0 = Full effects
// 1 = Reduced effects
int lessEffect = reader.ReadInt32();
}
/// Request servert ticks
/// 0089 11: <clientTicks>.L
public static void TickSend(NetState state, PacketReader reader)
{
if (state.IsValid(EAccountState.World) == false)
{
state.Disconnect();
return;
}
// TODO: has a length of 11..
// state.Account.ClientTick = reader.ReadInt32();
// TODO: send server ticks
}
/// Requesting unit's name
/// 0094 6: <object id>.L
public static void CharNameRequest(NetState state, PacketReader reader)
{
if (state.IsValid(EAccountState.World) == false)
{
state.Disconnect();
return;
}
int id = reader.ReadInt32();
// Disguises using -ID..
if (id < 0 && -id == state.Account.ID)
{
id = (int)state.Account.ID;
}
SerialObject obj = World.GetObject(id);
if (obj == null)
{
// Lagged clients could request names of already gone mobs/players..
// so no disconnect on invalid requests..
//state.Disconnect();
return;
}
if (obj.Location.Map != state.Account.ActiveChar.Location.Map)
{
// || !check_distance_bl(&sd->bl, bl, AREA_SIZE)
return; // Block namerequests past view range
}
// 'see people in GM hide' cheat detection
/* disabled due to false positives (network lag + request name of char that's about to hide = race condition)
* sc = status_get_sc(bl);
* if (sc && sc->option&OPTION_INVISIBLE && !disguised(bl) &&
* bl->type != BL_NPC && //Skip hidden NPCs which can be seen using Maya Purple
* pc_isGM(sd) < battle_config.hack_info_GM_level
* ) {
* char gm_msg[256];
* sprintf(gm_msg, "Hack on NameRequest: character '%s' (account: %d) requested the name of an invisible target (id: %d).\n", sd->status.name, sd->status.account_id, id);
* ShowWarning(gm_msg);
* // information is sent to all online GMs
* intif_wis_message_to_gm(wisp_server_name, battle_config.hack_info_GM_level, gm_msg);
* return;
* }
*/
// TODO: implement me :o
//clif_charnameack(fd, bl);
}
/// Validates and processes global messages
/// 008C/00F3 -1: <packet len>.W <text>.?B (<name> : <message>) 00
public static void GlobalMessage(NetState state, PacketReader reader)
{
if (state.IsValid(EAccountState.World) == false)
{
state.Disconnect();
return;
}
short textLen = (short)(reader.ReadInt16() - 4);
string text = reader.ReadString(textLen);
// TODO:
// - check name/message
// - check atcommand
// - process message to all in range (9 cells)
// - trigger listening npc's
// - log chat
}
/// Request to walk
/// 0x00A7 9:
public static void WalkToXY(NetState state, PacketReader reader)
{
if (state.IsValid(EAccountState.World) == false)
{
state.Disconnect();
return;
}
Character c = state.Account.ActiveChar;
int unkInt = reader.ReadInt32();
// Since 2008-08-27aRagexeRE, X/Y starts at pos 6
byte b1 = reader.ReadByte();
byte b2 = reader.ReadByte();
byte b3 = reader.ReadByte();
int x = b1 * 4 + (b2 >> 6);
int y = ((b2 & 0x3f) << 4) + (b3 >> 4);
Point2D targetLoc = new Point2D(x, y);
c.TargetLocation = c.Location.Point + (c.Location.Point - targetLoc);
}
/// Requesting unit's name
/// 0094 14: <dont_know>.? Position 10 <object id>.L
public static void CharNameRequest(NetState state, PacketReader reader) {
if (state.IsValid(EAccountState.World) == false) {
state.Disconnect();
return;
}
reader.Seek(10, System.IO.SeekOrigin.Begin);
int id = reader.ReadInt32();
// Disguises using -ID..
if (id < 0 && -id == state.Account.ID) {
id = (int)state.Account.ID;
}
// First option - a character
WorldObject obj = World.Objects[EDatabaseType.Char, id];
if (obj == null) {
// 2nd - a monster
obj = World.Objects[EDatabaseType.Mob, id];
if (obj == null) {
// 3rd - a item (?)
obj = World.Objects[EDatabaseType.Item, id];
if (obj == null) {
// Lagged clients could request names of already gone mobs/players..
// so no disconnect on invalid requests..
//state.Disconnect();
return;
}
}
}
// Fix: we send the accountID as unique ID for chars (its working because no account could connect twice)
// this leads to this situation, we will get the account object from World.Objects
// instead of the character
if (obj is Account) {
obj = (obj as Account).ActiveChar;
}
// Moveable unit?
if (
(obj is WorldObjectUnit) && (
(obj as WorldObjectUnit).Location.Map != state.Account.ActiveChar.Location.Map ||
(obj as WorldObjectUnit).InRange(state.ActiveChar, Global.AREA_SIZE) == false
)
) {
return; // Block namerequests past view range
}
// 'see people in GM hide' cheat detection
/* disabled due to false positives (network lag + request name of char that's about to hide = race condition)
sc = status_get_sc(bl);
if (sc && sc->option&OPTION_INVISIBLE && !disguised(bl) &&
bl->type != BL_NPC && //Skip hidden NPCs which can be seen using Maya Purple
pc_isGM(sd) < battle_config.hack_info_GM_level
) {
char gm_msg[256];
sprintf(gm_msg, "Hack on NameRequest: character '%s' (account: %d) requested the name of an invisible target (id: %d).\n", sd->status.name, sd->status.account_id, id);
ShowWarning(gm_msg);
// information is sent to all online GMs
intif_wis_message_to_gm(wisp_server_name, battle_config.hack_info_GM_level, gm_msg);
return;
}
*/
state.Send(new WorldResponseCharNameAck(obj));
}
/// Request servert ticks
/// 0089 11: <clientTicks>.L
public static void TickSend(NetState state, PacketReader reader) {
if (state.IsValid(EAccountState.World) == false) {
state.Disconnect();
return;
}
// TODO: has a length of 11..
// state.Account.ClientTick = reader.ReadInt32();
// TODO: send server ticks
// but the client didnt care about it
// but we could implement a latency info if we diff the ticks.. o.o
}
/// Validates and processes global messages
/// 008C/00F3 -1: <packet len>.W <text>.?B (<name> : <message>) 00
public static void GlobalMessage(NetState state, PacketReader reader) {
if (state.IsValid(EAccountState.World) == false) {
state.Disconnect();
return;
}
short baseLength = (short)(reader.ReadInt16() - 4);
string baseMessage = reader.ReadString(baseLength);
string username, message;
if (ChatHelper.ValidateMessage(state, baseMessage, out username, out message) == false) {
return;
}
// Check is implemented, but no commands yet.. xD
if (PlayerCommandHelper.IsCommand(message) == true) {
PlayerCommandHelper.Execute(state, message);
return;
}
// Send packet to all players in the chatroom or in hearable area
// Note: yes, the Client needs the full String "Name : Message"
// and dosnt take the name from the source..
// so we just use the original received string
ESendTarget target = (state.ActiveChar.Status.ChatID is WorldID ? ESendTarget.ChatWithoutSelf : ESendTarget.HearableAreaWithoutChatrooms);
World.Send(new WorldChatMessage(state.ActiveChar, baseMessage), state.ActiveChar, target);
// Send packet to himself
// Note: the base string "Name : Message" is used again..
World.Send(new WorldMessageOverHead(baseMessage), state.ActiveChar, ESendTarget.Self);
// TODO:
// - trigger listening npc's
// - log chat
}
/// Sends information about the guild of the target
/// 014f 6: <state>.L
public static void GuildRequestInfo(NetState state, PacketReader reader) {
if (state.IsValid(EAccountState.World) == false) {
state.Disconnect();
return;
}
Character c = state.Account.ActiveChar;
// Nothing to send?
if (!(c.Status.GuildID is WorldID)) {
// TODO: or battleground ID
return;
}
int requestType = reader.ReadInt32();
switch (requestType) {
case 0:
//clif_guild_basicinfo(sd);
//clif_guild_allianceinfo(sd);
break;
case 1:
//clif_guild_positionnamelist(sd);
//clif_guild_memberlist(sd);
break;
case 2:
//clif_guild_positionnamelist(sd);
//clif_guild_positioninfolist(sd);
break;
case 3:
//clif_guild_skillinfo(sd);
break;
case 4:
//clif_guild_expulsionlist(sd);
break;
default:
ServerConsole.ErrorLine("GuildRequestInfo: Unknown request type {0}", requestType);
break;
}
}
/// Notification of the state of client command /effect (CZ_LESSEFFECT)
/// 021D 6: <state>.L
public static void LessEffect(NetState state, PacketReader reader) {
if (state.IsValid(EAccountState.World) == false) {
state.Disconnect();
return;
}
// 0 = Full effects
// 1 = Reduced effects
state.Account.ActiveChar.State.Lesseffect = reader.ReadBoolean();
}
/// Request for attack (single or continue), sit or stand
/// 0437 4: <type>.B <objectID>.L
public static void ActionRequest(NetState state, PacketReader reader) {
if (state.IsValid(EAccountState.World) == false) {
state.Disconnect();
return;
}
int id = reader.ReadInt32();
byte action = reader.ReadByte();
Callback_ActionRequest(state.ActiveChar, action, id);
}
/// Request for game exiting
/// 018A 4: <dont_know>.W
public static void QuitGame(NetState state, PacketReader reader) {
if (state.IsValid(EAccountState.World) == false) {
state.Disconnect();
return;
}
// TODO: logout check
// Save data
state.ActiveChar.Save();
state.Send(new WorldResponseGameExit(true));
}
/// Request to walk
/// 0x00A7 9:
public static void WalkToXY(NetState state, PacketReader reader) {
if (state.IsValid(EAccountState.World) == false) {
state.Disconnect();
return;
}
// TODO: this is the worst system i've ever seen..
// we receive the FINAL position instead of step by step packets
// and have to search a path to the final position
// if a path has been found, we walk it step by step
// this is done using a Timer..
Character c = state.Account.ActiveChar;
int unkInt = reader.ReadInt32();
// Since 2008-08-27aRagexeRE, X/Y starts at pos 6
byte b1 = reader.ReadByte();
byte b2 = reader.ReadByte();
byte b3 = reader.ReadByte();
int x = b1 * 4 + (b2 >> 6);
int y = ((b2 & 63) << 4) + (b3 >> 4);
ServerConsole.DebugLine("WalkToXY: from " + c.Location.X + "/" + c.Location.Y + " to " + x + "/" + y);
WalkingHelper.WalkToXY(c, new Point2D(x, y));
}
/// First packet after selecting a character
/// 0x0436 19: <accountID>.L <charID>.L <loginID1>.L <clientTick>.L <sex>.B
public static void WantToConnect(NetState state, PacketReader reader) {
int accountID = reader.ReadInt32();
int charID = reader.ReadInt32();
int loginID1 = reader.ReadInt32();
int clientTick = reader.ReadInt32();
byte iSex = reader.ReadByte();
EAccountSex sex = (EAccountSex)iSex;
state.Account = (Account)World.Objects[EDatabaseType.Account, accountID];
if (state.Account == null || state.Account.AccountState != EAccountState.Char) {
ServerConsole.DebugLine("Invalid account or account state: {0}", (state.Account != null ? state.Account.AccountState.ToString() : "null"));
state.Disconnect();
return;
}
if (state.Account.LoginID1 != loginID1 || state.Account.Sex != sex) {
ServerConsole.DebugLine("Invalid loginID or sex: {0} != {1}; {2} != {3}", state.Account.LoginID1, loginID1, state.Account.Sex, sex);
state.Disconnect();
return;
}
if (state.Account.ActiveChar == null || state.Account.ActiveChar.ID != charID) {
ServerConsole.DebugLine("Invalid active character or charID: {0}", (state.ActiveChar != null ? state.ActiveChar.ID.ToString() : "null"));
state.Disconnect();
return;
}
// Seems to be valid, save the netstate
state.Account.Netstate = state;
long tick = Timer.Ticks;
// Mark as authed
state.Account.AccountState = EAccountState.World;
// pc_setnew
state.ActiveChar.Status.Sex = state.Account.Sex;
state.ActiveChar.LoginID1 = loginID1;
state.ActiveChar.LoginID2 = 0;
state.ActiveChar.ClientTick = clientTick;
state.ActiveChar.State.Active = false; //Is set to true after player is fully authed and loaded
state.ActiveChar.CanLogTick = tick;
// Required to prevent homunculus copuing a base speed of 0
state.ActiveChar.BattleStatus.Speed = (ushort)Global.DEFAULT_WALK_SPEED;
// pc_authok
if (state.ActiveChar.Status.HP == 0) {
state.ActiveChar.SetDead();
}
state.ActiveChar.State.ConnectNew = true;
state.ActiveChar.FollowTimer = null;
state.ActiveChar.InvisibleTimer = null;
state.ActiveChar.NpcTimer = null;
state.ActiveChar.PvpTimer = null;
state.ActiveChar.CanUseItemTick = tick;
state.ActiveChar.CanUseCashFoodTick = tick;
state.ActiveChar.CanEquipTick = tick;
state.ActiveChar.CanTalkTick = tick;
state.ActiveChar.CanSendMailTick = tick;
state.ActiveChar.SpiritTimer = new List<Timer>();
state.ActiveChar.AutoBonus.Clear();
state.ActiveChar.AutoBonus2.Clear();
state.ActiveChar.AutoBonus3.Clear();
if (Config.ItemAutoGet) {
state.ActiveChar.State.Autoloot = 10000;
}
if (Config.DispExperience) {
state.ActiveChar.State.Showexp = true;
}
if (Config.DispZeny) {
state.ActiveChar.State.Showzeny = true;
}
if ((Config.DisplaySkillFail & 2) > 0) {
state.ActiveChar.State.Showdelay = true;
}
// Check and move equip
//pc_setinventorydata(sd);
for (int i = 0; i < state.ActiveChar.Status.Inventory.Count; i++) {
}
//pc_setequipindex(sd);
// status_change_init here!
// Note: eAthena dosnt realy init the status here, just memset() all to 0
// TODO: why did i set StatusChange.Clear() HERE? confirm this..
state.ActiveChar.StatusChange.Clear();
// TODO: implement player commands (eAthenas @commands)
//if ((battle_config.atc_gmonly == 0 || pc_isGM(sd)) && (pc_isGM(sd) >= get_atcommand_level(atcommand_hide)))
// sd->status.option &= (OPTION_MASK | OPTION_INVISIBLE);
//else
state.ActiveChar.Status.Option &= EStatusOption.Mask;
state.ActiveChar.StatusChange.Option = state.ActiveChar.Status.Option; // This is the actual option used in battle
// Set here because we need the inventory data for weapon sprite parsing
state.ActiveChar.ViewData = WorldObjectViewData.GetViewData(state.ActiveChar.Status, (int)state.ActiveChar.Status.Class);
// Set base timer for walkable units (from unit_setdata)
// TODO: maybe this should be placed in a WorldObjectUnit-method to be used for every walkable unit..
state.ActiveChar.WalkTimer = null;
state.ActiveChar.ActiveSkillTimer = null;
state.ActiveChar.AttackTimer = null;
state.ActiveChar.AttackableTick =
state.ActiveChar.CanActTick =
state.ActiveChar.CanMoveTick = tick;
// clif_authok crap
state.ActiveChar.GuildPosition = new Point2D(-1, -1);
// Event timer
state.ActiveChar.EventTimer = new List<Timer>();
// Rental Timer
state.ActiveChar.RentalTimer = null;
state.ActiveChar.HateMob = new short[3]{
-1,-1,-1
};
// Character enters the map block
// TODO: Position checking
state.ActiveChar.Location.Map.OnEnter(state.ActiveChar);
/*
if ((i = pc_setpos(sd, sd->status.last_point.map, sd->status.last_point.x, sd->status.last_point.y, CLR_OUTSIGHT)) != 0) {
ShowError("Last_point_map %s - id %d not found (error code %d)\n", mapindex_id2name(sd->status.last_point.map), sd->status.last_point.map, i);
// try warping to a default map instead (church graveyard)
if (pc_setpos(sd, mapindex_name2id(MAP_PRONTERA), 273, 354, CLR_OUTSIGHT) != 0) {
// if we fail again
clif_authfail_fd(sd->fd, 0);
return false;
}
}
*/
// Let the client know that the authendication was successfull
state.Send(new WorldResponseAuthOK(state.Account));
// eA puts the "char logged in" message here..
// TODO: send friend list
// TODO: message about expired accounts, night flag
// TODO: request registry
// or dont need an async load of registry?
state.ActiveChar.DieCounter = -1;
}
/// Request for attack stop
/// 0118 2:
public static void StopAttack(NetState state, PacketReader reader) {
if (state.IsValid(EAccountState.World) == false) {
state.Disconnect();
return;
}
state.ActiveChar.StopAttack();
}
/// Notification that the client ressource loading has completed
/// 007D 2: No data given
public static void LoadEndAck(NetState state, PacketReader reader) {
if (state.IsValid(EAccountState.World) == false) {
state.Disconnect();
return;
}
state.Send(new WorldMessageOverHead("Welcome to Rovolution v0.1 Alpha!"));
state.Send(new WorldMessageOverHead("© GodLesZ 2011"));
// TODO: eAthena requests the registery and then trigger clif_parse_LoadEndAckk
// so move the code to a callback (if implemented an async registry loading)
// pc_reg_received
// TODO: party_member_joined, guild_member_joined
// TODO request pet and homunculus data..
state.ActiveChar.BaseStatus.CalculateCharacter(true);
// TODO: request mail box, quest log
// TODO: pc_inventory_rentals()
// clif_parse_LoadEndAck()
// Note: This is called as a packet from the client
// but if the registry loading hasent been finished, its stoped and called manually
// from pc_reg_received
// TODO: ChangeLook
// Update clothes color, or some sprite bugs & display errors will happen
if (state.ActiveChar.ViewData.ClothesColor > 0) {
state.Send(new WorldRefreshLook((int)state.Account.ID, ELookType.Clothes_color, (short)state.ActiveChar.ViewData.ClothesColor));
}
// Send inventory
// Note: This is a special packet..
// In OnBeforeSend() is checked if items are found; only if found, the packet will be send
// In OnSend() is checked for arrow and stackable items and send, if found
// So this call may send 3 packet a time, to each player
World.Send(new WorldInventoryList(state.ActiveChar), state.ActiveChar, ESendTarget.Self);
// Client got the item infos, now validate inventory
// TODO: :D
state.Send(new WorldUpdateStatus(state.ActiveChar, EStatusParam.Weight));
state.Send(new WorldUpdateStatus(state.ActiveChar, EStatusParam.Maxweight));
// TODO:shit
// - check if variable loading and every other shit has been finished
// - check for rewarp (find out)
// - changelook calls
// - send inventory list
// - check items
// - if cart on, send cart-info and check items
// - send weights
// - if guild, send short guild info
// - check for invicible timer
// - clif_spawn() (.. what? Oo)
// - if party, send infos
// - check for pvp, gvg, duel, ...
// - getareacharinfo for nearby objects
// - pet, homunculus, mercanery
// - if first connection, send complete status
// - send friendlist info (friend logged in)
// - login npc events
// - if not first connect, refresh some infos
// - many many more..
// Inform nearby objects about me
WorldObjectSpawn.Send(state.ActiveChar, true);
// Info about nearby objects
//map_foreachinarea(clif_getareachar, sd->bl.m, sd->bl.x - AREA_SIZE, sd->bl.y - AREA_SIZE, sd->bl.x + AREA_SIZE, sd->bl.y + AREA_SIZE, BL_ALL, sd);
state.ActiveChar.Map.ForeachInRange(new Rectangle2D(state.ActiveChar.Location.Point - Global.AREA_SIZE_POINT, state.ActiveChar.Location.Point - Global.AREA_SIZE_POINT), EDatabaseType.All, new ForeachInRangeVoidDelegate(Callback_GetAreaChar), new object[] { state.ActiveChar });
// TODO: spawn pets, homu, ect
if (state.ActiveChar.State.ConnectNew == true) {
state.ActiveChar.State.ConnectNew = false;
// send skills, hotkeys, status, ..
state.Send(new WorldSendSkillList(state.ActiveChar));
state.Send(new WorldSendHotkeys(state.ActiveChar));
state.Send(new WorldUpdateStatus(state.ActiveChar, EStatusParam.Baseexp));
state.Send(new WorldUpdateStatus(state.ActiveChar, EStatusParam.Nextbaseexp));
state.Send(new WorldUpdateStatus(state.ActiveChar, EStatusParam.Jobexp));
state.Send(new WorldUpdateStatus(state.ActiveChar, EStatusParam.Nextjobexp));
state.Send(new WorldUpdateStatus(state.ActiveChar, EStatusParam.Skillpoint));
state.Send(new WorldSendInitialStatus(state.ActiveChar));
if ((state.ActiveChar.StatusChange.Option & EStatusOption.Falcon) > 0) {
//clif_status_load(&sd->bl, SI_FALCON, 1);
}
if ((state.ActiveChar.StatusChange.Option & EStatusOption.Riding) > 0) {
//clif_status_load(&sd->bl, SI_RIDING, 1);
}
if (state.ActiveChar.Status.Manner < 0) {
//sc_start(&sd->bl,SC_NOCHAT,100,0,0);
}
/*
//Auron reported that This skill only triggers when you logon on the map o.O
if ((lv = pc_checkskill(sd,SG_KNOWLEDGE)) > 0) {
if(sd->bl.m == sd->feel_map[0].m
|| sd->bl.m == sd->feel_map[1].m
|| sd->bl.m == sd->feel_map[2].m)
sc_start(&sd->bl, SC_KNOWLEDGE, 100, lv, skill_get_time(SG_KNOWLEDGE, lv));
}
*/
//if(sd->pd && sd->pd->pet.intimate > 900)
// clif_pet_emotion(sd->pd,(sd->pd->pet.class_ - 100)*100 + 50 + pet_hungry_val(sd->pd));
//if(merc_is_hom_active(sd->hd))
// merc_hom_init_timers(sd->hd);
//if (night_flag && map[sd->bl.m].flag.nightenabled) {
// sd->state.night = 1;
// clif_status_load(&sd->bl, SI_NIGHT, 1);
//}
// Notify everyone that this friend logged in
//map_foreachpc(clif_friendslist_toggle_sub, sd->status.account_id, sd->status.char_id, 1);
// TODO: npc login event
} else {
// refresh infos ect
}
}