[Saylinks] Implement Auto Saylink Injection (#1525)

* Implement auto saylink injection

* Cover Lua say since it takes a different code path

common/ruletypes.h

@@ -598,6 +598,8 @@ RULE_INT(Chat, IntervalDurationMS, 60000, "Interval length in milliseconds")
 RULE_INT(Chat, KarmaUpdateIntervalMS, 1200000, "Karma update interval in milliseconds")
 RULE_INT(Chat, KarmaGlobalChatLimit, 72, "Amount of karma you need to be able to talk in ooc/auction/chat below the level limit")
 RULE_INT(Chat, GlobalChatLevelLimit, 8, "Level limit you need to of reached to talk in ooc/auction/chat if your karma is too low")
+RULE_BOOL(Chat, AutoInjectSaylinksToSay, true, "Automatically injects saylinks into dialogue that has [brackets in them]")
+RULE_BOOL(Chat, AutoInjectSaylinksToClientMessage, true, "Automatically injects saylinks into dialogue that has [brackets in them]")
 RULE_CATEGORY_END()
 
 RULE_CATEGORY(Merchant)

common/say_link.cpp

@@ -340,3 +340,47 @@ std::string EQ::SayLinkEngine::GenerateQuestSaylink(std::string saylink_text, bo
 
 	return linker.GenerateLink();
 }
+
+std::string EQ::SayLinkEngine::InjectSaylinksIfNotExist(const char *message)
+{
+	std::string new_message = message;
+
+	int link_index = 0;
+	std::vector<std::string> links = {};
+
+	// loop through brackets until none exist
+	while (new_message.find('[') != std::string::npos && new_message.find(']') != std::string::npos) {
+		std::string bracket_message = get_between(new_message, "[", "]");
+
+		// already a saylink
+		// todo: improve this later
+		if (!bracket_message.empty() && bracket_message.length() > 50) {
+			links.emplace_back(bracket_message);
+		}
+		else {
+			links.emplace_back(EQ::SayLinkEngine::GenerateQuestSaylink(bracket_message, false, bracket_message));
+		}
+
+		// replace with anchor
+		find_replace(
+			new_message,
+			fmt::format("[{}]", bracket_message),
+			fmt::format("<link:{}>", link_index)
+		);
+
+		link_index++;
+	}
+
+	// pop links onto anchors
+	link_index = 0;
+	for (auto &link: links) {
+		find_replace(
+			new_message,
+			fmt::format("<link:{}>", link_index),
+			fmt::format("[{}]", link)
+		);
+		link_index++;
+	}
+
+	return new_message;
+}

common/say_link.h

@@ -105,6 +105,7 @@ namespace EQ
 
 		void Reset();
 
+		static std::string InjectSaylinksIfNotExist(const char *message);
 	private:
 		void generate_body();
 		void generate_text();

zone/entity.cpp

@@ -4185,8 +4185,10 @@ bool Entity::CheckCoordLosNoZLeaps(float cur_x, float cur_y, float cur_z,
 	return false;
 }
 
-void EntityList::QuestJournalledSayClose(Mob *sender, float dist, const char *mobname, const char *message,
-					 Journal::Options &opts)
+void EntityList::QuestJournalledSayClose(
+	Mob *sender, float dist, const char *mobname, const char *message,
+	Journal::Options &opts
+)
 {
 	SerializeBuffer buf(sizeof(SpecialMesgHeader_Struct) + 12 + 64 + 64);
 
@@ -4199,7 +4201,15 @@ void EntityList::QuestJournalledSayClose(Mob *sender, float dist, const char *mo
 	buf.WriteInt32(0); // location, client doesn't seem to do anything with this
 	buf.WriteInt32(0);
 	buf.WriteInt32(0);
+
+	// auto inject saylinks (say)
+	if (RuleB(Chat, AutoInjectSaylinksToSay)) {
+		std::string new_message = EQ::SayLinkEngine::InjectSaylinksIfNotExist(message);
+		buf.WriteString(new_message);
+	}
+	else {
 		buf.WriteString(message);
+	}
 
 	auto outapp = new EQApplicationPacket(OP_SpecialMesg, buf);
 

zone/lua_mob.cpp

@@ -755,8 +755,16 @@ double Lua_Mob::GetSize() {
 
 void Lua_Mob::Message(int type, const char *message) {
 	Lua_Safe_Call_Void();
+
+	// auto inject saylinks
+	if (RuleB(Chat, AutoInjectSaylinksToClientMessage)) {
+		std::string new_message = EQ::SayLinkEngine::InjectSaylinksIfNotExist(message);
+		self->Message(type, new_message.c_str());
+	}
+	else {
 		self->Message(type, message);
 	}
+}
 
 void Lua_Mob::MessageString(int type, int string_id, uint32 distance) {
 	Lua_Safe_Call_Void();

zone/mob.cpp

@@ -2923,11 +2923,20 @@ void Mob::Say(const char *format, ...)
 		talker = this;
 	}
 
+	if (RuleB(Chat, AutoInjectSaylinksToSay)) {
+		std::string new_message = EQ::SayLinkEngine::InjectSaylinksIfNotExist(buf);
+		entity_list.MessageCloseString(
+			talker, false, 200, 10,
+			GENERIC_SAY, GetCleanName(), new_message.c_str()
+		);
+	}
+	else {
 		entity_list.MessageCloseString(
 			talker, false, 200, 10,
 			GENERIC_SAY, GetCleanName(), buf
 		);
 	}
+}
 
 //
 // this is like the above, but the first parameter is a string id

zone/perl_mob.cpp

@@ -2620,8 +2620,16 @@ XS(XS_Mob_Message) {
 		uint32 type = (uint32) SvUV(ST(1));
 		char *message = (char *) SvPV_nolen(ST(2));
 		VALIDATE_THIS_IS_MOB;
+
+		// auto inject saylinks
+		if (RuleB(Chat, AutoInjectSaylinksToClientMessage)) {
+			std::string new_message = EQ::SayLinkEngine::InjectSaylinksIfNotExist(message);
+			THIS->Message(type, new_message.c_str());
+		}
+		else {
 			THIS->Message(type, message);
 		}
+	}
 	XSRETURN_EMPTY;
 }