Added FilteredMessage functions that better use ServerFilters

These functions are currently unused, but should work nicely.
I didn't add overloads to separate them from the others for now

zone/client.cpp

@@ -2963,6 +2963,101 @@ void Client::Message_StringID(uint32 type, uint32 string_id, const char* message
 	safe_delete(outapp);
 }
 
+// helper function, returns true if we should see the message
+bool Client::FilteredMessageCheck(Mob *sender, eqFilterType filter)
+{
+	eqFilterMode mode = GetFilter(filter);
+	// easy ones first
+	if (mode == FilterShow)
+		return true;
+	else if (mode == FilterHide)
+		return false;
+
+	if (!sender && mode == FilterHide) {
+		return false;
+	} else if (sender) {
+		if (this == sender) {
+			if (mode == FilterHide) // don't need to check others
+				return false;
+		} else if (mode == FilterShowSelfOnly) { // we know sender isn't us
+			return false;
+		} else if (mode == FilterShowGroupOnly) {
+			Group *g = GetGroup();
+			if (!g || !g->IsGroupMember(sender))
+				return false;
+		}
+	}
+
+	// we passed our checks
+	return true;
+}
+
+void Client::FilteredMessage_StringID(Mob *sender, uint32 type,
+		eqFilterType filter, uint32 string_id)
+{
+	if (!FilteredMessageCheck(sender, filter))
+		return;
+
+	EQApplicationPacket *outapp = new EQApplicationPacket(OP_SimpleMessage, 12);
+	SimpleMessage_Struct *sms = (SimpleMessage_Struct *)outapp->pBuffer;
+	sms->color = type;
+	sms->string_id = string_id;
+
+	sms->unknown8 = 0;
+
+	QueuePacket(outapp);
+	safe_delete(outapp);
+
+	return;
+}
+
+void Client::FilteredMessage_StringID(Mob *sender, uint32 type, eqFilterType filter, uint32 string_id,
+		const char *message1, const char *message2, const char *message3,
+		const char *message4, const char *message5, const char *message6,
+		const char *message7, const char *message8, const char *message9)
+{
+	if (!FilteredMessageCheck(sender, filter))
+		return;
+
+	int i, argcount, length;
+	char *bufptr;
+	const char *message_arg[9] = {0};
+
+	if (type == MT_Emote)
+		type = 4;
+
+	if (!message1) {
+		Message_StringID(type, string_id);	// use the simple message instead
+		return;
+	}
+
+	i = 0;
+	message_arg[i++] = message1;
+	message_arg[i++] = message2;
+	message_arg[i++] = message3;
+	message_arg[i++] = message4;
+	message_arg[i++] = message5;
+	message_arg[i++] = message6;
+	message_arg[i++] = message7;
+	message_arg[i++] = message8;
+	message_arg[i++] = message9;
+
+	for (argcount = length = 0; message_arg[argcount]; argcount++)
+		length += strlen(message_arg[argcount]) + 1;
+
+	EQApplicationPacket *outapp = new EQApplicationPacket(OP_FormattedMessage, length+13);
+	FormattedMessage_Struct *fm = (FormattedMessage_Struct *)outapp->pBuffer;
+	fm->string_id = string_id;
+	fm->type = type;
+	bufptr = fm->message;
+	for (i = 0; i < argcount; i++) {
+		strcpy(bufptr, message_arg[i]);
+		bufptr += strlen(message_arg[i]) + 1;
+	}
+
+	QueuePacket(outapp);
+	safe_delete(outapp);
+}
 
 void Client::SetTint(int16 in_slot, uint32 color) {
 	Color_Struct new_color;

zone/client.h

@@ -250,6 +250,14 @@ public:
 	uint8	SlotConvert(uint8 slot,bool bracer=false);
 	void	Message_StringID(uint32 type, uint32 string_id, uint32 distance = 0);
 	void	Message_StringID(uint32 type, uint32 string_id, const char* message,const char* message2=0,const char* message3=0,const char* message4=0,const char* message5=0,const char* message6=0,const char* message7=0,const char* message8=0,const char* message9=0, uint32 distance = 0);
+	bool	FilteredMessageCheck(Mob *sender, eqFilterType filter);
+	void	FilteredMessage_StringID(Mob *sender, uint32 type, eqFilterType filter, uint32 string_id);
+	void	FilteredMessage_StringID(Mob *sender, uint32 type, eqFilterType filter,
+			uint32 string_id, const char *message1, const char *message2 = nullptr,
+			const char *message3 = nullptr, const char *message4 = nullptr,
+			const char *message5 = nullptr, const char *message6 = nullptr,
+			const char *message7 = nullptr, const char *message8 = nullptr,
+			const char *message9 = nullptr);
 	void	SendBazaarResults(uint32 trader_id,uint32 class_,uint32 race,uint32 stat,uint32 slot,uint32 type,char name[64],uint32 minprice,uint32 maxprice);
 	void	SendTraderItem(uint32 item_id,uint16 quantity);
 	uint16	FindTraderItem(int32 SerialNumber,uint16 Quantity);

zone/entity.cpp

@@ -1907,6 +1907,24 @@ void EntityList::MessageClose_StringID(Mob *sender, bool skipsender, float dist,
 	}
 }
 
+void EntityList::FilteredMessageClose_StringID(Mob *sender, bool skipsender,
+		float dist, uint32 type, eqFilterType filter, uint32 string_id,
+		const char *message1, const char *message2, const char *message3,
+		const char *message4, const char *message5, const char *message6,
+		const char *message7, const char *message8, const char *message9)
+{
+	Client *c;
+	float dist2 = dist * dist;
+
+	for (auto it = client_list.begin(); it != client_list.end(); ++it) {
+		c = it->second;
+		if (c && c->DistNoRoot(*sender) <= dist2 && (!skipsender || c != sender))
+			c->FilteredMessage_StringID(sender, type, filter, string_id,
+					message1, message2, message3, message4, message5,
+					message6, message7, message8, message9);
+	}
+}
+
 void EntityList::Message_StringID(Mob *sender, bool skipsender, uint32 type, uint32 string_id, const char* message1,const char* message2,const char* message3,const char* message4,const char* message5,const char* message6,const char* message7,const char* message8,const char* message9)
 {
 	Client *c;
@@ -1918,6 +1936,23 @@ void EntityList::Message_StringID(Mob *sender, bool skipsender, uint32 type, uin
 	}
 }
 
+void EntityList::FilteredMessage_StringID(Mob *sender, bool skipsender,
+		uint32 type, eqFilterType filter, uint32 string_id,
+		const char *message1, const char *message2, const char *message3,
+		const char *message4, const char *message5, const char *message6,
+		const char *message7, const char *message8, const char *message9)
+{
+	Client *c;
+
+	for (auto it = client_list.begin(); it != client_list.end(); ++it) {
+		c = it->second;
+		if (c && (!skipsender || c != sender))
+			c->FilteredMessage_StringID(sender, type, filter, string_id,
+					message1, message2, message3, message4, message5, message6,
+					message7, message8, message9);
+	}
+}
+
 void EntityList::MessageClose(Mob* sender, bool skipsender, float dist, uint32 type, const char* message, ...)
 {
 	va_list argptr;

zone/entity.h

@@ -267,7 +267,9 @@ public:
 	void	MessageStatus(uint32 to_guilddbid, int to_minstatus, uint32 type, const char* message, ...);
 	void	MessageClose(Mob* sender, bool skipsender, float dist, uint32 type, const char* message, ...);
 	void	Message_StringID(Mob *sender, bool skipsender, uint32 type, uint32 string_id, const char* message1=0,const char* message2=0,const char* message3=0,const char* message4=0,const char* message5=0,const char* message6=0,const char* message7=0,const char* message8=0,const char* message9=0);
+	void	FilteredMessage_StringID(Mob *sender, bool skipsender, uint32 type, eqFilterType filter, uint32 string_id, const char* message1=0,const char* message2=0,const char* message3=0,const char* message4=0,const char* message5=0,const char* message6=0,const char* message7=0,const char* message8=0,const char* message9=0);
 	void	MessageClose_StringID(Mob *sender, bool skipsender, float dist, uint32 type, uint32 string_id, const char* message1=0,const char* message2=0,const char* message3=0,const char* message4=0,const char* message5=0,const char* message6=0,const char* message7=0,const char* message8=0,const char* message9=0);
+	void	FilteredMessageClose_StringID(Mob *sender, bool skipsender, float dist, uint32 type, eqFilterType filter, uint32 string_id, const char* message1=0,const char* message2=0,const char* message3=0,const char* message4=0,const char* message5=0,const char* message6=0,const char* message7=0,const char* message8=0,const char* message9=0);
 	void	ChannelMessageFromWorld(const char* from, const char* to, uint8 chan_num, uint32 guilddbid, uint8 language, const char* message);
 	void	ChannelMessage(Mob* from, uint8 chan_num, uint8 language, const char* message, ...);
 	void	ChannelMessage(Mob* from, uint8 chan_num, uint8 language, uint8 lang_skill, const char* message, ...);