Add functions to change player clantags/name

src/component/gsc.cpp

@@ -339,7 +339,7 @@ namespace gsc
 			{
 				if (ent.classnum != 0)
 				{
-					throw std::runtime_error("Invalid type");
+					throw std::runtime_error("Invalid entity");
 				}
 
 				const auto client = ent.entnum;

src/component/scripting.cpp

@@ -3,6 +3,7 @@
 
 #include "scheduler.hpp"
 #include "command.hpp"
+#include "userinfo.hpp"
 
 #include "game/scripting/event.hpp"
 #include "game/scripting/execution.hpp"
@@ -46,7 +47,9 @@ namespace scripting
 
 				if (e.name == "connected")
 				{
-					scripting::clear_entity_fields(e.entity);
+					const auto player = e.arguments[0].as<scripting::entity>();
+					const auto client = player.call("getentitynumber").as<int>();
+					userinfo::clear_client_overrides(client);
 				}
 			}
 
@@ -72,6 +75,7 @@ namespace scripting
 
 		void g_shutdown_game_stub(const int free_scripts)
 		{
+			userinfo::clear_overrides();
 			command::clear_script_commands();
 			gsc::replaced_functions.clear();
 			g_shutdown_game_hook.invoke<void>(free_scripts);

src/component/userinfo.cpp

@@ -0,0 +1,177 @@
+#include <stdinc.hpp>
+#include "loader/component_loader.hpp"
+
+#include "scheduler.hpp"
+
+#include "game/scripting/event.hpp"
+#include "game/scripting/execution.hpp"
+#include "game/scripting/functions.hpp"
+#include "game/scripting/array.hpp"
+
+#include "gsc.hpp"
+
+namespace userinfo
+{
+	using userinfo_map = std::unordered_map<std::string, std::string>;
+	std::unordered_map<int, userinfo_map> userinfo_overrides;
+
+	namespace
+	{
+		utils::hook::detour sv_getuserinfo_hook;
+
+		userinfo_map userinfo_to_map(const std::string& userinfo)
+		{
+			userinfo_map map;
+			const auto args = utils::string::split(userinfo, '\\');
+
+			for (auto i = 1; i < args.size() - 1; i += 2)
+			{
+				map[args[i]] = args[i + 1];
+			}
+
+			return map;
+		}
+
+		std::string map_to_userinfo(const userinfo_map& map)
+		{
+			std::string buffer;
+
+			for (const auto& value : map)
+			{
+				buffer.append("\\");
+				buffer.append(value.first);
+				buffer.append("\\");
+				buffer.append(value.second);
+			}
+
+			return buffer;
+		}
+
+		void sv_getuserinfo_stub(int index, char* buffer, int bufferSize)
+		{
+			char _buffer[1024];
+			sv_getuserinfo_hook.invoke<void>(index, _buffer, 1024);
+			auto map = userinfo_to_map(_buffer);
+
+			if (userinfo_overrides.find(index) == userinfo_overrides.end())
+			{
+				userinfo_overrides[index] = {};
+			}
+
+			for (const auto& values : userinfo_overrides[index])
+			{
+				if (values.second.empty())
+				{
+					map.erase(values.first);
+				}
+				else
+				{
+					map[values.first] = values.second;
+				}
+			}
+
+			const auto userinfo = map_to_userinfo(map);
+			strcpy_s(buffer, 1024, userinfo.data());
+		}
+	}
+
+	void clear_client_overrides(int client)
+	{
+		userinfo_overrides[client].clear();
+	}
+
+	void clear_overrides()
+	{
+		userinfo_overrides.clear();
+	}
+
+	class component final : public component_interface
+	{
+	public:
+		void post_unpack() override
+		{
+			sv_getuserinfo_hook.create(0x573E00, sv_getuserinfo_stub);
+
+			gsc::method::add("setname", [](const game::scr_entref_t ent, const gsc::function_args& args) -> scripting::script_value
+			{
+				const auto name = args[0].as<std::string>();
+
+				if (ent.classnum != 0 || ent.entnum > 17)
+				{
+					throw std::runtime_error("Invalid entity");
+				}
+
+				userinfo_overrides[ent.entnum]["name"] = name;
+				game::ClientUserinfoChanged(ent.entnum);
+
+				return {};
+			});
+
+			gsc::method::add("resetname", [](const game::scr_entref_t ent, const gsc::function_args& args) -> scripting::script_value
+			{
+				const auto name = args[0].as<std::string>();
+
+				if (ent.classnum != 0 || ent.entnum > 17)
+				{
+					throw std::runtime_error("Invalid entity");
+				}
+
+				userinfo_overrides[ent.entnum].erase("name");
+				game::ClientUserinfoChanged(ent.entnum);
+
+				return {};
+			});
+
+			gsc::method::add("setclantag", [](const game::scr_entref_t ent, const gsc::function_args& args) -> scripting::script_value
+			{
+				const auto name = args[0].as<std::string>();
+
+				if (ent.classnum != 0 || ent.entnum > 17)
+				{
+					throw std::runtime_error("Invalid entity");
+				}
+
+				userinfo_overrides[ent.entnum]["clantag"] = name;
+				userinfo_overrides[ent.entnum]["ec_TagText"] = name;
+				userinfo_overrides[ent.entnum]["ec_usingTag"] = "1";
+				game::ClientUserinfoChanged(ent.entnum);
+
+				return {};
+			});
+
+			gsc::method::add("resetclantag", [](const game::scr_entref_t ent, const gsc::function_args& args) -> scripting::script_value
+			{
+				const auto name = args[0].as<std::string>();
+
+				if (ent.classnum != 0 || ent.entnum > 17)
+				{
+					throw std::runtime_error("Invalid entity");
+				}
+
+				userinfo_overrides[ent.entnum].erase("clantag");
+				userinfo_overrides[ent.entnum].erase("ec_TagText");
+				userinfo_overrides[ent.entnum].erase("ec_usingTag");
+				game::ClientUserinfoChanged(ent.entnum);
+
+				return {};
+			});
+
+			gsc::method::add("removeclantag", [](const game::scr_entref_t ent, const gsc::function_args& args) -> scripting::script_value
+			{
+				if (ent.classnum != 0 || ent.entnum > 17)
+				{
+					throw std::runtime_error("Invalid entity");
+				}
+
+				userinfo_overrides[ent.entnum]["clantag"] = "";
+				userinfo_overrides[ent.entnum]["ec_TagText"] = "";
+				userinfo_overrides[ent.entnum]["ec_usingTag"] = "0";
+				game::ClientUserinfoChanged(ent.entnum);
+
+				return {};
+			});
+		}
+	};
+}
+
+REGISTER_COMPONENT(userinfo::component)

src/component/userinfo.hpp

@@ -0,0 +1,7 @@
+#pragma once
+
+namespace userinfo
+{
+	void clear_client_overrides(int client);
+	void clear_overrides();
+}

src/game/symbols.hpp

@@ -16,6 +16,7 @@ namespace game
 
 	WEAK symbol<void(unsigned int weapon, bool isAlternate, char* output, unsigned int maxStringLen)> BG_GetWeaponNameComplete{0x42F760};
 
+	WEAK symbol<void(int client)> ClientUserinfoChanged{0x4FADB0};
 	WEAK symbol<const char*(int index)> ConcatArgs{0x502150};
 	WEAK symbol<void(int localClientNum, const char* text)> Cbuf_AddText{0x545680};
 	WEAK symbol<void(const char* cmdName, void(), cmd_function_t* allocedCmd)> Cmd_AddCommandInternal{0x545DF0};