[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

@@ -1,5 +1,5 @@
 /*	EQEMu: Everquest Server Emulator
-	
+
 	Copyright (C) 2001-2016 EQEMu Development Team (http://eqemulator.net)
 
 	This program is free software; you can redistribute it and/or modify
@@ -11,7 +11,7 @@
 	are required to give you total support for your newly bought product;
 	without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 	A PARTICULAR PURPOSE. See the GNU General Public License for more details.
-	
+
 	You should have received a copy of the GNU General Public License
 	along with this program; if not, write to the Free Software
 	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
@@ -339,4 +339,48 @@ std::string EQ::SayLinkEngine::GenerateQuestSaylink(std::string saylink_text, bo
 	linker.SetProxyText(link_name.c_str());
 
 	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

@@ -1,17 +1,17 @@
 /*	EQEMu: Everquest Server Emulator
-	
+
 	Copyright (C) 2001-2016 EQEMu Development Team (http://eqemulator.net)
 
 	This program is free software; you can redistribute it and/or modify
 	it under the terms of the GNU General Public License as published by
 	the Free Software Foundation; version 2 of the License.
-	
+
 	This program is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY except by those people which sell it, which
 	are required to give you total support for your newly bought product;
 	without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 	A PARTICULAR PURPOSE. See the GNU General Public License for more details.
-	
+
 	You should have received a copy of the GNU General Public License
 	along with this program; if not, write to the Free Software
 	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
@@ -105,6 +105,7 @@ namespace EQ
 
 		void Reset();
 
+		static std::string InjectSaylinksIfNotExist(const char *message);
 	private:
 		void generate_body();
 		void generate_text();