C++ pc_has_permission函数代码示例

/**
 * Bans a character from the given channel.
 *
 * @param chan The channel.
 * @param ssd  The source character, if any.
 * @param tsd  The target character.
 * @retval HCS_STATUS_OK if the operation succeeded.
 * @retval HCS_STATUS_ALREADY if the target character is already banned.
 * @retval HCS_STATUS_NOPERM if the source character doesn't have enough permissions.
 * @retval HCS_STATUS_FAIL in case of generic failure.
 */
enum channel_operation_status channel_ban(struct channel_data *chan, const struct map_session_data *ssd, struct map_session_data *tsd)
{
	struct channel_ban_entry *entry = NULL;

	nullpo_retr(HCS_STATUS_FAIL, chan);
	nullpo_retr(HCS_STATUS_FAIL, tsd);

	if (ssd && chan->owner != ssd->status.char_id && !pc_has_permission(ssd, PC_PERM_HCHSYS_ADMIN))
		return HCS_STATUS_NOPERM;

	if (pc_has_permission(tsd, PC_PERM_HCHSYS_ADMIN))
		return HCS_STATUS_FAIL;

	if (chan->banned && idb_exists(chan->banned, tsd->status.account_id))
		return HCS_STATUS_ALREADY;

	if (!chan->banned)
		chan->banned = idb_alloc(DB_OPT_BASE|DB_OPT_ALLOW_NULL_DATA|DB_OPT_RELEASE_DATA);

	CREATE(entry, struct channel_ban_entry, 1);
	safestrncpy(entry->name, tsd->status.name, NAME_LENGTH);
	idb_put(chan->banned, tsd->status.account_id, entry);

	channel->leave(chan, tsd);

	return HCS_STATUS_OK;
}

int party_invite (struct map_session_data *sd, struct map_session_data *tsd)
{
	struct party_data *p;
	int i;
	nullpo_ret (sd);

	if ( (p = party_search (sd->status.party_id)) == NULL)
		return 0;

	// confirm if this player is a party leader
	ARR_FIND (0, MAX_PARTY, i, p->data[i].sd == sd);

	if (i == MAX_PARTY || !p->party.member[i].leader) {
		clif_displaymessage (sd->fd, msg_txt (282));
		return 0;
	}

	// confirm if there is an open slot in the party
	ARR_FIND (0, MAX_PARTY, i, p->party.member[i].account_id == 0);

	if (i == MAX_PARTY) {
		clif_party_inviteack (sd, (tsd ? tsd->status.name : ""), 3);
		return 0;
	}

	// confirm whether the account has the ability to invite before checking the player
	if (!pc_has_permission (sd, PC_PERM_PARTY) || (tsd && !pc_has_permission (tsd, PC_PERM_PARTY))) {
		clif_displaymessage (sd->fd, msg_txt (81)); // "Your GM level doesn't authorize you to preform this action on the specified player."
		return 0;
	}

	if (tsd == NULL) {
		clif_party_inviteack (sd, "", 7);
		return 0;
	}

	if (!battle_config.invite_request_check) {
		if (tsd->guild_invite > 0 || tsd->trade_partner || tsd->adopt_invite) {
			clif_party_inviteack (sd, tsd->status.name, 0);
			return 0;
		}
	}

	if (!tsd->fd) { //You can't invite someone who has already disconnected.
		clif_party_inviteack (sd, tsd->status.name, 1);
		return 0;
	}

	if (tsd->status.party_id > 0 || tsd->party_invite > 0) {
		// already associated with a party
		clif_party_inviteack (sd, tsd->status.name, 0);
		return 0;
	}

	tsd->party_invite = sd->status.party_id;
	tsd->party_invite_account = sd->status.account_id;
	clif_party_invite (sd, tsd);
	return 1;
}

/**
 * A player is attempting to join a channel
 * @param sd: Player data
 * @param chname: Channel name
 * @param pass: Channel password
 * @return 0 on success or -1 on failure
 */
int channel_pcjoin(struct map_session_data *sd, char *chname, char *pass){
	struct Channel *channel;
	char output[CHAT_SIZE_MAX];

	if(!sd || !chname)
		return 0;

	if( channel_chk(chname,NULL,1) ) {
		clif_displaymessage(sd->fd, msg_txt(sd,1405));// Channel name must start with '#'.
		return -1;
	}

	channel = channel_name2channel(chname,sd,1);
	if(channel){
		if (!pc_has_permission(sd, PC_PERM_CHANNEL_ADMIN) && !channel_pccheckgroup(channel, sd->group_id)) {
			sprintf(output, msg_txt(sd,1407), chname); // Channel '%s' is not available.
			clif_displaymessage(sd->fd, output);
			return -1;
		}
		if(channel_haspc(channel,sd)==1) {
			sprintf(output, msg_txt(sd,1434),chname); // You're already in the '%s' channel.
			clif_displaymessage(sd->fd, output);
			return -1;
		}
		else if( channel->pass[0] != '\0') { //chan has a pass
			if(strcmp(channel->pass,pass) != 0){ //wrong pass entry
				if( pc_has_permission(sd, PC_PERM_CHANNEL_ADMIN) ) {
					sd->stealth = true;
				} else {
					sprintf(output, msg_txt(sd,1401),chname,"@join"); // Channel '%s' is password-protected (usage: %s <#channel_name> <password>).
					clif_displaymessage(sd->fd, output);
					return -1;
				}
			}
		}
	}
	else {
		sprintf(output, msg_txt(sd,1400),chname,"@join"); // Unknown channel '%s' (usage: %s <#channel_name>).
		clif_displaymessage(sd->fd, output);
		return -1;
	}

	switch(channel->type){
	case CHAN_TYPE_ALLY: channel_gjoin(sd,3); break;
	case CHAN_TYPE_MAP: channel_mjoin(sd); break;
	default: //private and public atm
		if (channel_join(channel,sd) != 0)
			return -1;
	}

	if( ( channel->opt & CHAN_OPT_ANNOUNCE_SELF ) ) {
		sprintf(output, msg_txt(sd,1403),chname); // You're now in the '%s' channel.
		clif_displaymessage(sd->fd, output);
	}

	return 0;
}

/**
 * Unbans a character from the given channel.
 *
 * @param chan The channel.
 * @param ssd  The source character, if any.
 * @param tsd  The target character. If no target character is specified, all characters are unbanned.
 * @retval HCS_STATUS_OK if the operation succeeded.
 * @retval HCS_STATUS_ALREADY if the target character is not banned.
 * @retval HCS_STATUS_NOPERM if the source character doesn't have enough permissions.
 * @retval HCS_STATUS_FAIL in case of generic failure.
 */
enum channel_operation_status channel_unban(struct channel_data *chan, const struct map_session_data *ssd, struct map_session_data *tsd)
{
	nullpo_retr(HCS_STATUS_FAIL, chan);

	if (ssd && chan->owner != ssd->status.char_id && !pc_has_permission(ssd, PC_PERM_HCHSYS_ADMIN))
		return HCS_STATUS_NOPERM;

	if (!chan->banned)
		return HCS_STATUS_ALREADY;

	if (!tsd) {
		// Unban all
		db_destroy(chan->banned);
		chan->banned = NULL;
		return HCS_STATUS_OK;
	}

	// Unban one
	if (!idb_exists(chan->banned, tsd->status.account_id))
		return HCS_STATUS_ALREADY;

	idb_remove(chan->banned, tsd->status.account_id);
	if (!db_size(chan->banned)) {
		db_destroy(chan->banned);
		chan->banned = NULL;
	}

	return HCS_STATUS_OK;
}

/**
 * Sends a message to a channel.
 *
 * @param chan The destination channel.
 * @param sd   The source character.
 * @param msg  The message to send.
 *
 * If no source character is specified, it'll send an anonymous message.
 */
void channel_send(struct channel_data *chan, struct map_session_data *sd, const char *msg)
{
	char message[150];
	nullpo_retv(chan);
	nullpo_retv(msg);

	if (sd && chan->msg_delay != 0
	 && DIFF_TICK(sd->hchsysch_tick + chan->msg_delay*1000, timer->gettick()) > 0
	 && !pc_has_permission(sd, PC_PERM_HCHSYS_ADMIN)) {
		clif->messagecolor_self(sd->fd, COLOR_RED, msg_sd(sd,1455));
		return;
	} else if (sd) {
		safesnprintf(message, 150, "[ #%s ] %s : %s", chan->name, sd->status.name, msg);
		clif->channel_msg(chan,sd,message);
		if (chan->type == HCS_TYPE_IRC)
			ircbot->relay(sd->status.name,msg);
		if (chan->msg_delay != 0)
			sd->hchsysch_tick = timer->gettick();
	} else {
		safesnprintf(message, 150, "[ #%s ] %s", chan->name, msg);
		clif->channel_msg2(chan, message);
		if (chan->type == HCS_TYPE_IRC)
			ircbot->relay(NULL, msg);
	}
}

/**
 * Sends a message to a channel.
 *
 * @param chan The destination channel.
 * @param sd   The source character.
 * @param msg  The message to send.
 *
 * If no source character is specified, it'll send an anonymous message.
 */
static void channel_send(struct channel_data *chan, struct map_session_data *sd, const char *msg)
{
	char message[150];
	nullpo_retv(chan);
	nullpo_retv(msg);

	if (sd && chan->msg_delay != 0
	 && DIFF_TICK(sd->hchsysch_tick + chan->msg_delay*1000, timer->gettick()) > 0
	 && !pc_has_permission(sd, PC_PERM_HCHSYS_ADMIN)) {
		clif->messagecolor_self(sd->fd, COLOR_RED, msg_sd(sd,1455));
		return;
	} else if (sd) {
		int i;

		safesnprintf(message, 150, "[ #%s ] %s : %s", chan->name, sd->status.name, msg);
		clif->channel_msg(chan,sd,message);
		if (chan->type == HCS_TYPE_IRC)
			ircbot->relay(sd->status.name,msg);
		if (chan->msg_delay != 0)
			sd->hchsysch_tick = timer->gettick();

		for (i = 0; i < MAX_EVENTQUEUE; i++) {
			if (chan->handlers[i][0] != '\0') {
				pc->setregstr(sd, script->add_str("@channelmes$"), msg);
				npc->event(sd, chan->handlers[i], 0);
			}
		}
	} else {
		safesnprintf(message, 150, "[ #%s ] %s", chan->name, msg);
		clif->channel_msg2(chan, message);
		if (chan->type == HCS_TYPE_IRC)
			ircbot->relay(NULL, msg);
	}
}

/**
 * Kick a member from a chat room.
 * @param sd : player requesting
 * @param kickusername : player name to be kicked
 * @retur 1:success, 0:failure
 */
int chat_kickchat(struct map_session_data* sd, const char* kickusername)
{
	struct chat_data* cd;
	int i;

	nullpo_retr(1, sd);

	cd = (struct chat_data *)map_id2bl(sd->chatID);

	if( cd == NULL || (struct block_list *)sd != cd->owner )
		return -1;

	ARR_FIND( 0, cd->users, i, strncmp(cd->usersd[i]->status.name, kickusername, NAME_LENGTH) == 0 );
	if( i == cd->users )
		return -1;

	if (pc_has_permission(cd->usersd[i], PC_PERM_NO_CHAT_KICK))
		return 0; //gm kick protection [Valaris]

	idb_put(cd->kick_list,cd->usersd[i]->status.char_id,(void*)1);

	chat_leavechat(cd->usersd[i],1);

	return 0;
}

/**
 * A player is attemting to kick a player
 * @param sd: Player data
 * @param chname: Channel name
 * @param pname: Player name to kick
 * @return 0 on success or -1 on failure
 */
int channel_pckick(struct map_session_data *sd, char *chname, char *pname) {
	struct Channel *channel;
	char output[CHAT_SIZE_MAX];
	struct map_session_data *tsd = map_nick2sd(pname,false);

	if( channel_chk(chname,NULL,1) ) {
		clif_displaymessage(sd->fd, msg_txt(sd,1405));// Channel name must start with '#'.
		return -1;
	}

	channel = channel_name2channel(chname,sd,0);
	if( !channel ) {
		sprintf(output, msg_txt(sd,1407), chname);// Channel '%s' is not available.
		clif_displaymessage(sd->fd, output);
		return -1;
	}

	if (!tsd) {
		clif_displaymessage(sd->fd, msg_txt(sd,3));
		return -1;
	}

	if( !pc_has_permission(sd, PC_PERM_CHANNEL_ADMIN) ) {
		if (channel->char_id != sd->status.char_id) {
			sprintf(output, msg_txt(sd,1412), chname);// You're not the owner of channel '%s'.
			clif_displaymessage(sd->fd, output);
		} else if (!channel_config.private_channel.kick) {
			sprintf(output, msg_txt(sd,766), chname); // You cannot kick a player from channel '%s'.
			clif_displaymessage(sd->fd, output);
		}
		return -1;
	}

	if (channel_pc_haschan(sd, channel) < 0) {
		sprintf(output, msg_txt(sd,1425), chname); // You're not part of the '%s' channel.
		clif_displaymessage(sd->fd, output);
		return -1;
	}

	if (channel->char_id == sd->status.char_id) {
		clif_displaymessage(sd->fd, msg_txt(sd, 767)); // You're not allowed to kick a player.
		return -1;
	}

	if( !channel_config.closing && (channel->opt & CHAN_OPT_ANNOUNCE_LEAVE) ) {
		safesnprintf(output, CHAT_SIZE_MAX, msg_txt(sd,768), channel->alias, tsd->status.name); // %s %s has been kicked.
		clif_channel_msg(channel,output,channel->color);
	}

	switch(channel->type){
		case CHAN_TYPE_ALLY: channel_pcquit(tsd,3); break;
		case CHAN_TYPE_MAP: channel_pcquit(tsd,4); break;
		default: //private and public atm
			channel_clean(channel,tsd,0);
	}

	return 1;
}

/*==========================================
 * join an existing chatroom
 *------------------------------------------*/
bool chat_joinchat(struct map_session_data* sd, int chatid, const char* pass) {
	struct chat_data* cd;

	nullpo_ret(sd);
	nullpo_ret(pass);
	cd = map->id2cd(chatid);

	if (cd == NULL || cd->bl.type != BL_CHAT || cd->bl.m != sd->bl.m
	 || sd->state.vending || sd->state.buyingstore || sd->chat_id != 0
	 || ((cd->owner->type == BL_NPC) ? cd->users+1 : cd->users) >= cd->limit
	) {
		clif->joinchatfail(sd,0); // room full
		return false;
	}

	if( !cd->pub && strncmp(pass, cd->pass, sizeof(cd->pass)) != 0 && !pc_has_permission(sd, PC_PERM_JOIN_ALL_CHAT) )
	{
		clif->joinchatfail(sd,1); // wrong password
		return false;
	}

	if( sd->status.base_level < cd->minLvl || sd->status.base_level > cd->maxLvl ) {
		if(sd->status.base_level < cd->minLvl)
			clif->joinchatfail(sd,5); // too low level
		else
			clif->joinchatfail(sd,6); // too high level

		return false;
	}

	if( sd->status.zeny < cd->zeny ) {
		clif->joinchatfail(sd,4); // not enough zeny
		return false;
	}

	if( cd->owner->type != BL_NPC && idb_exists(cd->kick_list,sd->status.char_id) ) {
		clif->joinchatfail(sd,2); // You have been kicked out of the room.
		return false;
	}

	pc_stop_walking(sd, STOPWALKING_FLAG_FIXPOS);
	cd->usersd[cd->users] = sd;
	cd->users++;

	pc_setchatid(sd,cd->bl.id);

	clif->joinchatok(sd, cd); //To the person who newly joined the list of all
	clif->addchat(cd, sd); //Reports To the person who already in the chat
	clif->dispchat(cd, 0); //Reported number of changes to the people around

	chat->trigger_event(cd); //Event

	return true;
}

 /**
 * Join an existing chat room.
 * @param sd : player requesting
 * @param chatid : ID of the chat room
 * @param pass : password of chat room
 * @return 0
 */
int chat_joinchat(struct map_session_data* sd, int chatid, const char* pass)
{
	struct chat_data* cd;

	nullpo_ret(sd);

	cd = (struct chat_data*)map_id2bl(chatid);

	if( cd == NULL || cd->bl.type != BL_CHAT || cd->bl.m != sd->bl.m || sd->state.vending || sd->state.buyingstore || sd->chatID || ((cd->owner->type == BL_NPC) ? cd->users+1 : cd->users) >= cd->limit ) {
		clif_joinchatfail(sd,0);
		return 0;
	}

	if( !cd->pub && strncmp(pass, cd->pass, sizeof(cd->pass)) != 0 && !pc_has_permission(sd, PC_PERM_JOIN_ALL_CHAT) ) {
		clif_joinchatfail(sd,1);
		return 0;
	}

	if( sd->status.base_level < cd->minLvl || sd->status.base_level > cd->maxLvl ) {
		if(sd->status.base_level < cd->minLvl)
			clif_joinchatfail(sd,5);
		else
			clif_joinchatfail(sd,6);

		return 0;
	}

	if( sd->status.zeny < cd->zeny ) {
		clif_joinchatfail(sd,4);
		return 0;
	}

	if( cd->owner->type != BL_NPC && idb_exists(cd->kick_list,sd->status.char_id) ) {
		clif_joinchatfail(sd,2);//You have been kicked out of the room.
		return 0;
	}

	pc_stop_walking(sd,1);
	cd->usersd[cd->users] = sd;
	cd->users++;

	pc_setchatid(sd,cd->bl.id);

	clif_joinchatok(sd, cd); //To the person who newly joined the list of all
	clif_addchat(cd, sd); //Reports To the person who already in the chat
	clif_dispchat(cd, 0); //Reported number of changes to the people around

	if (cd->owner->type == BL_PC)
		achievement_update_objective(map_id2sd(cd->owner->id), AG_CHAT_COUNT, 1, cd->users);

	chat_triggerevent(cd); //Event

	return 0;
}

/**
 * Joins a channel.
 *
 * Ban and password checks are performed before joining the channel.
 * If the channel is an HCS_TYPE_ALLY channel, alliance channels are automatically joined.
 *
 * @param chan     The channel to join
 * @param sd       The character
 * @param password The specified join password, if any
 * @param silent   If true, suppress the "You're now in the <x> channel" greeting message
 * @retval HCS_STATUS_OK      if the operation succeeded
 * @retval HCS_STATUS_ALREADY if the character is already in the channel
 * @retval HCS_STATUS_NOPERM  if the specified password doesn't match
 * @retval HCS_STATUS_BANNED  if the character is in the channel's ban list
 * @retval HCS_STATUS_FAIL    in case of generic error
 */
enum channel_operation_status channel_join(struct channel_data *chan, struct map_session_data *sd, const char *password, bool silent)
{
	bool stealth = false;

	nullpo_retr(HCS_STATUS_FAIL, chan);
	nullpo_retr(HCS_STATUS_FAIL, sd);
	nullpo_retr(HCS_STATUS_FAIL, password);

	if (idb_exists(chan->users, sd->status.char_id)) {
		return HCS_STATUS_ALREADY;
	}

	if (chan->password[0] != '\0' && strcmp(chan->password, password) != 0) {
		if (pc_has_permission(sd, PC_PERM_HCHSYS_ADMIN)) {
			stealth = true;
		} else {
			return HCS_STATUS_NOPERM;
		}
	}

	if (chan->banned && idb_exists(chan->banned, sd->status.account_id)) {
		return HCS_STATUS_BANNED;
	}

	if (!silent && !(chan->options&HCS_OPT_ANNOUNCE_JOIN)) {
		char output[CHAT_SIZE_MAX];
		if (chan->type == HCS_TYPE_MAP) {
			sprintf(output, msg_sd(sd,1435), chan->name, map->list[chan->m].name); // You're now in the '#%s' channel for '%s'
		} else {
			sprintf(output, msg_sd(sd,1403), chan->name); // You're now in the '%s' channel
		}
		clif->messagecolor_self(sd->fd, COLOR_DEFAULT, output);
	}

	if (chan->type == HCS_TYPE_ALLY) {
		struct guild *g = sd->guild;
		int i;
		for (i = 0; i < MAX_GUILDALLIANCE; i++) {
			struct guild *sg = NULL;
			if (g->alliance[i].opposition == 0 && g->alliance[i].guild_id && (sg = guild->search(g->alliance[i].guild_id)) != NULL) {
				if (!(sg->channel->banned && idb_exists(sg->channel->banned, sd->status.account_id))) {
					channel->join_sub(sg->channel, sd, stealth);
				}
			}
		}
	}

	channel->join_sub(chan, sd, stealth);

	return HCS_STATUS_OK;
}

/**
 * A player is attempting to change the channel color
 * @param sd: Player data
 * @param chname: Channel name
 * @param color: New color
 * @return 0 on success or -1 on failure
 */
int channel_pccolor(struct map_session_data *sd, char *chname, char *color){
	struct Channel *channel;
	char output[CHAT_SIZE_MAX];
	int k;

	if(!sd)
		return 0;

	if( channel_chk(chname,NULL,1) ) {
		clif_displaymessage(sd->fd, msg_txt(sd,1405));// Channel name must start with '#'.
		return -1;
	}


	channel = channel_name2channel(chname,sd,0);
	if( !channel ) {
		sprintf(output, msg_txt(sd,1407), chname);// Channel '%s' is not available.
		clif_displaymessage(sd->fd, output);
		return -1;
	}

	if( !pc_has_permission(sd, PC_PERM_CHANNEL_ADMIN) ) {
		if (channel->char_id != sd->status.char_id) {
			sprintf(output, msg_txt(sd,1412), chname);// You're not the owner of channel '%s'.
			clif_displaymessage(sd->fd, output);
			return -1;
		}
		else if (!(channel->opt&CHAN_OPT_COLOR_OVERRIDE)) {
			sprintf(output, msg_txt(sd,764), chname); // You cannot change the color for channel '%s'.
			clif_displaymessage(sd->fd, output);
			return -1;
		}
	}

	ARR_FIND(0,channel_config.colors_count,k,( strcmpi(color,channel_config.colors_name[k]) == 0 ) );
	if( k >= channel_config.colors_count ) {
		sprintf(output, msg_txt(sd,1411), color);// Unknown color '%s'.
		clif_displaymessage(sd->fd, output);
		return -1;
	}
	channel->color = channel_config.colors[k];
	sprintf(output, msg_txt(sd,1413),chname,channel_config.colors_name[k]);// '%s' channel color updated to '%s'.
	clif_displaymessage(sd->fd, output);
	return 0;
}

/**
 * Make a player join a channel
 * - Add player to channel user list
 * - Add channel to user channel list
 * @param channel: Channel data
 * @param sd: Player data
 * @return
 *   0: Success
 *  -1: Invalid channel or player
 *  -2: Player already in channel
 *  -3: Player banned
 *  -4: Reached max limit
 */
int channel_join(struct Channel *channel, struct map_session_data *sd) {
	if(!channel || !sd)
		return -1;
	if(sd->state.autotrade)
		return 0; // fake success
	if(channel_haspc(channel,sd)==1)
		return -2;
	if (!pc_has_permission(sd, PC_PERM_CHANNEL_ADMIN) && !channel_pccheckgroup(channel, sd->group_id))
		return -2;

	if(channel_haspcbanned(channel,sd)==1){
		char output[CHAT_SIZE_MAX];
		sprintf(output, msg_txt(sd,1438),channel->name); //You're currently banned from the '%s' channel.
		clif_displaymessage(sd->fd, output);
		return -3;
	}

	if (channel->type == CHAN_TYPE_PRIVATE && db_size(channel->users) >= channel_config.private_channel.max_member) {
		char output[CHAT_SIZE_MAX];
		sprintf(output, msg_txt(sd,760), channel->name, channel_config.private_channel.max_member); // You cannot join channel '%s'. Limit of %d has been met.
		clif_displaymessage(sd->fd, output);
		return -4;
	}

	RECREATE(sd->channels, struct Channel *, ++sd->channel_count);
	sd->channels[ sd->channel_count - 1 ] = channel;
	idb_put(channel->users, sd->status.char_id, sd);
	RECREATE(sd->channel_tick, t_tick, sd->channel_count);
	sd->channel_tick[sd->channel_count-1] = 0;

	if( sd->stealth ) {
		sd->stealth = false;
	} else if( channel->opt & CHAN_OPT_ANNOUNCE_JOIN ) {
		char output[CHAT_SIZE_MAX];
		safesnprintf(output, CHAT_SIZE_MAX, msg_txt(sd,761), channel->alias, sd->status.name); // %s %s has joined.
		clif_channel_msg(channel,output,channel->color);
	}

	/* someone is cheating, we kindly disconnect the bastard */
	if( sd->channel_count > 200 ) {
		set_eof(sd->fd);
	}

	return 0;
}

/**
 * Attempt to autojoin a player to a channel
 */
int channel_pcautojoin_sub(DBKey key, DBData *data, va_list ap) {
	struct Channel *channel = (struct Channel *)db_data2ptr(data);
	struct map_session_data *sd = NULL;
	char channame[CHAN_NAME_LENGTH+1];

	nullpo_ret(channel);
	nullpo_ret((sd = va_arg(ap, struct map_session_data *)));

	if (channel->pass[0])
		return 0;
	if (!(channel->opt&CHAN_OPT_AUTOJOIN))
		return 0;
	if (!pc_has_permission(sd, PC_PERM_CHANNEL_ADMIN) && !channel_pccheckgroup(channel, sd->group_id))
		return 0;
	safesnprintf(channame, sizeof(channame), "#%s", channel->name);
	channel_pcjoin(sd, channame, NULL);

	return 1;
}

/**
 * Format message from player to send to the channel
 * - Also truncate extra characters if message is too long
 * @param channel: Channel data
 * @param sd: Player data
 * @param msg: Message to send
 * @return
 *  0: Success
 * -1: Invalid player, channel, or message
 * -2: Delay message from last message
 */
int channel_send(struct Channel *channel, struct map_session_data *sd, const char *msg) {
	int idx = 0;

	if(!channel || !sd || !msg || (idx = channel_pc_haschan(sd, channel)) < 0)
		return -1;

	if(!pc_has_permission(sd, PC_PERM_CHANNEL_ADMIN) && channel->msg_delay != 0 && DIFF_TICK(sd->channel_tick[idx] + channel->msg_delay, gettick()) > 0) {
		clif_messagecolor(&sd->bl,color_table[COLOR_RED],msg_txt(sd,1455),false,SELF); //You're talking too fast!
		return -2;
	}
	else {
		char output[CHAT_SIZE_MAX];
		unsigned long color = channel->color;
		if((channel->opt&CHAN_OPT_COLOR_OVERRIDE) && sd->fontcolor && sd->fontcolor < channel_config.colors_count && channel_config.colors[sd->fontcolor])
			color = channel_config.colors[sd->fontcolor];
		safesnprintf(output, CHAT_SIZE_MAX, "%s %s : %s", channel->alias, sd->status.name, msg);
		clif_channel_msg(channel,output,color);
		sd->channel_tick[idx] = gettick();
	}
	return 0;
}