Merge branch 'fun-with-interfaces' into develop

server/accounts/account_manager.cpp

@@ -87,13 +87,13 @@ int AccountManager::Load(std::string username, int clientIndex) {
 		int uid = sqlite3_column_int(statement, 0);
 
 		//check to see if this account is already loaded
-		if (accountMap.find(uid) != accountMap.end()) {
+		if (elementMap.find(uid) != elementMap.end()) {
 			sqlite3_finalize(statement);
 			return -1;
 		}
 
 		//extract the data into memory
-		AccountData& newAccount = accountMap[uid];
+		AccountData& newAccount = elementMap[uid];
 		newAccount.username = reinterpret_cast<const char*>(sqlite3_column_text(statement, 1));
 		newAccount.blackListed = sqlite3_column_int(statement, 2);
 		newAccount.whiteListed = sqlite3_column_int(statement, 3);
@@ -121,11 +121,11 @@ int AccountManager::Save(int uid) {
 	//DOCS: To use this method, change the in-memory copy, and then call this function using that object's UID.
 
 	//this method fails if this account is not loaded
-	if (accountMap.find(uid) == accountMap.end()) {
+	if (elementMap.find(uid) == elementMap.end()) {
 		return -1;
 	}
 
-	AccountData& account = accountMap[uid];
+	AccountData& account = elementMap[uid];
 	sqlite3_stmt* statement = nullptr;
 
 	//prep
@@ -163,7 +163,7 @@ void AccountManager::Unload(int uid) {
 	//save this user account, and then unload it
 	//NOTE: the associated characters are unloaded externally
 	Save(uid);
-	accountMap.erase(uid);
+	elementMap.erase(uid);
 }
 
 void AccountManager::Delete(int uid) {
@@ -190,25 +190,27 @@ void AccountManager::Delete(int uid) {
 
 	//finish the routine
 	sqlite3_finalize(statement);
-	accountMap.erase(uid);
+	elementMap.erase(uid);
 }
 
 void AccountManager::UnloadAll() {
-	for (auto& it : accountMap) {
+	for (auto& it : elementMap) {
 		Save(it.first);
 	}
-	accountMap.clear();
+	elementMap.clear();
 }
 
-void AccountManager::UnloadIf(std::function<bool(std::pair<int, AccountData>)> fn) {
+void AccountManager::UnloadIf(std::function<bool(std::pair<const int, AccountData>)> fn) {
 	//replicate std::remove_if, using custom code
-	for (std::map<int, AccountData>::iterator it = accountMap.begin(); it != accountMap.end(); /* empty */) {
+	std::map<int, AccountData>::iterator it = elementMap.begin();
+	while (it != elementMap.end()) {
 		if (fn(*it)) {
 			Save(it->first);
-			it = accountMap.erase(it);
+			it = elementMap.erase(it);
-			continue;
+		}
+		else {
+			++it;
 		}
-		++it;
 	}
 }
 
@@ -218,9 +220,9 @@ void AccountManager::UnloadIf(std::function<bool(std::pair<int, AccountData>)> f
 
 AccountData* AccountManager::Get(int uid) {
 	//TODO: could this load an account first?
-	std::map<int, AccountData>::iterator it = accountMap.find(uid);
+	std::map<int, AccountData>::iterator it = elementMap.find(uid);
 
-	if (it == accountMap.end()) {
+	if (it == elementMap.end()) {
 		return nullptr;
 	}
 
@@ -228,7 +230,7 @@ AccountData* AccountManager::Get(int uid) {
 }
 
 int AccountManager::GetLoadedCount() {
-	return accountMap.size();
+	return elementMap.size();
 }
 
 int AccountManager::GetTotalCount() {
@@ -250,7 +252,7 @@ int AccountManager::GetTotalCount() {
 }
 
 std::map<int, AccountData>* AccountManager::GetContainer() {
-	return &accountMap;
+	return &elementMap;
 }
 
 sqlite3* AccountManager::SetDatabase(sqlite3* db) {

server/accounts/account_manager.hpp

@@ -24,29 +24,33 @@
 
 #include "account_data.hpp"
 #include "singleton.hpp"
+#include "manager_interface.hpp"
 
 #include "sqlite3/sqlite3.h"
 
 #include <functional>
 #include <map>
 
-class AccountManager : public Singleton<AccountManager> {
+class AccountManager:
+	public Singleton<AccountManager>,
+	public ManagerInterface<AccountData, std::string, int>
+{
 public:
-	//public access methods
+	//common public methods
-	int Create(std::string username, int clientIndex);
+	int Create(std::string username, int clientIndex) override;
-	int Load(std::string username, int clientIndex);
+	int Load(std::string username, int clientIndex) override;
-	int Save(int uid);
+	int Save(int uid) override;
-	void Unload(int uid);
+	void Unload(int uid) override;
-	void Delete(int uid);
+	void Delete(int uid) override;
 
-	void UnloadAll();
+	void UnloadAll() override;
-	void UnloadIf(std::function<bool(std::pair<int, AccountData>)> fn);
+	void UnloadIf(std::function<bool(std::pair<const int, AccountData>)> fn) override;
 
 	//accessors and mutators
-	AccountData* Get(int uid);
+	AccountData* Get(int uid) override;
-	int GetLoadedCount();
+	int GetLoadedCount() override;
-	int GetTotalCount();
+	int GetTotalCount() override;
-	std::map<int, AccountData>* GetContainer();
+	std::map<int, AccountData>* GetContainer() override;
 
 	sqlite3* SetDatabase(sqlite3* db);
 	sqlite3* GetDatabase();
@@ -57,7 +61,6 @@ private:
 	AccountManager() = default;
 	~AccountManager() = default;
 
-	std::map<int, AccountData> accountMap;
 	sqlite3* database = nullptr;
 };
 

server/accounts/makefile

@@ -1,5 +1,5 @@
 #config
-INCLUDES+=. ../../common/utilities
+INCLUDES+=. ../server_utilities ../../common/utilities
 LIBS+=
 CXXFLAGS+=-std=c++11 $(addprefix -I,$(INCLUDES))
 

server/characters/character_manager.cpp

@@ -98,7 +98,7 @@ int CharacterManager::Load(int owner, std::string handle, std::string avatar) {
 		int uid = sqlite3_column_int(statement, 0);
 
 		//check to see if this character is already loaded
-		if (characterMap.find(uid) != characterMap.end()) {
+		if (elementMap.find(uid) != elementMap.end()) {
 			sqlite3_finalize(statement);
 			return -1;
 		}
@@ -110,7 +110,7 @@ int CharacterManager::Load(int owner, std::string handle, std::string avatar) {
 		}
 
 		//extract the data into memory
-		CharacterData& newChar = characterMap[uid];
+		CharacterData& newChar = elementMap[uid];
 
 		//metadata
 		newChar.owner = owner;
@@ -145,11 +145,11 @@ int CharacterManager::Save(int uid) {
 	//DOCS: To use this method, change the in-memory copy, and then call this function using that object's UID.
 
 	//this method fails if this character is not loaded
-	if (characterMap.find(uid) == characterMap.end()) {
+	if (elementMap.find(uid) == elementMap.end()) {
 		return -1;
 	}
 
-	CharacterData& character = characterMap[uid];
+	CharacterData& character = elementMap[uid];
 	sqlite3_stmt* statement = nullptr;
 
 	//prep
@@ -187,7 +187,7 @@ int CharacterManager::Save(int uid) {
 void CharacterManager::Unload(int uid) {
 	//save this character, then unload it
 	Save(uid);
-	characterMap.erase(uid);
+	elementMap.erase(uid);
 }
 
 void CharacterManager::Delete(int uid) {
@@ -213,25 +213,26 @@ void CharacterManager::Delete(int uid) {
 
 	//finish the routine
 	sqlite3_finalize(statement);
-	characterMap.erase(uid);
+	elementMap.erase(uid);
 }
 
 void CharacterManager::UnloadAll() {
-	for (auto& it : characterMap) {
+	for (auto& it : elementMap) {
 		Save(it.first);
 	}
-	characterMap.clear();
+	elementMap.clear();
 }
 
-void CharacterManager::UnloadIf(std::function<bool(std::pair<int, CharacterData>)> fn) {
+void CharacterManager::UnloadIf(std::function<bool(std::pair<const int, CharacterData>)> fn) {
-	//replicate std::remove_if, using custom code
+	std::map<int, CharacterData>::iterator it = elementMap.begin();
-	for (std::map<int, CharacterData>::iterator it = characterMap.begin(); it != characterMap.end(); /* empty */) {
+	while (it != elementMap.end()) {
 		if (fn(*it)) {
 			Save(it->first);
-			it = characterMap.erase(it);
+			it = elementMap.erase(it);
-			continue;
+		}
+		else {
+			++it;
 		}
-		++it;
 	}
 }
 
@@ -240,9 +241,9 @@ void CharacterManager::UnloadIf(std::function<bool(std::pair<int, CharacterData>
 //-------------------------
 
 CharacterData* CharacterManager::Get(int uid) {
-	std::map<int, CharacterData>::iterator it = characterMap.find(uid);
+	std::map<int, CharacterData>::iterator it = elementMap.find(uid);
 
-	if (it == characterMap.end()) {
+	if (it == elementMap.end()) {
 		return nullptr;
 	}
 
@@ -250,7 +251,7 @@ CharacterData* CharacterManager::Get(int uid) {
 }
 
 int CharacterManager::GetLoadedCount() {
-	return characterMap.size();
+	return elementMap.size();
 }
 
 int CharacterManager::GetTotalCount() {
@@ -272,7 +273,7 @@ int CharacterManager::GetTotalCount() {
 }
 
 std::map<int, CharacterData>* CharacterManager::GetContainer() {
-	return &characterMap;
+	return &elementMap;
 }
 
 sqlite3* CharacterManager::SetDatabase(sqlite3* db) {

server/characters/character_manager.hpp

@@ -24,29 +24,33 @@
 
 #include "character_data.hpp"
 #include "singleton.hpp"
+#include "manager_interface.hpp"
 
 #include "sqlite3/sqlite3.h"
 
 #include <functional>
 #include <map>
 
-class CharacterManager : public Singleton<CharacterManager> {
+class CharacterManager:
+	public Singleton<CharacterManager>,
+	public ManagerInterface<CharacterData, int, std::string, std::string>
+{
 public:
-	//public access methods
+	//common public methods
-	int Create(int owner, std::string handle, std::string avatar);
+	int Create(int owner, std::string handle, std::string avatar) override;
-	int Load(int owner, std::string handle, std::string avatar);
+	int Load(int owner, std::string handle, std::string avatar) override;
-	int Save(int uid);
+	int Save(int uid) override;
-	void Unload(int uid);
+	void Unload(int uid) override;
-	void Delete(int uid);
+	void Delete(int uid) override;
 
-	void UnloadAll();
+	void UnloadAll() override;
-	void UnloadIf(std::function<bool(std::pair<int, CharacterData>)> fn);
+	void UnloadIf(std::function<bool(std::pair<const int, CharacterData>)> fn) override;
 
 	//accessors and mutators
-	CharacterData* Get(int uid);
+	CharacterData* Get(int uid) override;
-	int GetLoadedCount();
+	int GetLoadedCount() override;
-	int GetTotalCount();
+	int GetTotalCount() override;
-	std::map<int, CharacterData>* GetContainer();
+	std::map<int, CharacterData>* GetContainer() override;
 
 	sqlite3* SetDatabase(sqlite3* db);
 	sqlite3* GetDatabase();
@@ -57,7 +61,6 @@ private:
 	CharacterManager() = default;
 	~CharacterManager() = default;
 
-	std::map<int, CharacterData> characterMap;
 	sqlite3* database = nullptr;
 };
 

server/characters/makefile

@@ -1,5 +1,5 @@
 #config
-INCLUDES+=. ../../common/gameplay ../../common/utilities
+INCLUDES+=. ../server_utilities ../../common/gameplay ../../common/utilities
 LIBS+=
 CXXFLAGS+=-std=c++11 $(addprefix -I,$(INCLUDES))
 

server/rooms/makefile

@@ -1,5 +1,5 @@
 #config
-INCLUDES+=. ../../common/map ../../common/utilities
+INCLUDES+=. ../server_utilities ../../common/map ../../common/utilities
 LIBS+=
 CXXFLAGS+=-std=c++11 $(addprefix -I,$(INCLUDES))
 

server/rooms/room_api.cpp

@@ -29,21 +29,36 @@ static int getPager(lua_State* L) {
 	return 1;
 }
 
-static int create(lua_State* L) {
+static int setRoomName(lua_State* L) {
-	//EMPTY
+	RoomData* room = reinterpret_cast<RoomData*>(lua_touserdata(L, 1));
-	//NOTE: This can be used to set defaults for the pager
+	room->SetRoomName(lua_tostring(L, 2));
 	return 0;
 }
 
-static int unload(lua_State* L) {
+static int getRoomName(lua_State* L) {
-	//EMPTY
+	RoomData* room = reinterpret_cast<RoomData*>(lua_touserdata(L, 1));
+	lua_pushstring(L, room->GetRoomName().c_str());
+	return 1;
+}
+
+static int setTilesetName(lua_State* L) {
+	RoomData* room = reinterpret_cast<RoomData*>(lua_touserdata(L, 1));
+	room->SetTilesetName(lua_tostring(L, 2));
 	return 0;
 }
 
+static int getTilesetName(lua_State* L) {
+	RoomData* room = reinterpret_cast<RoomData*>(lua_touserdata(L, 1));
+	lua_pushstring(L, room->GetTilesetName().c_str());
+	return 1;
+}
+
 static const luaL_Reg roomLib[] = {
 	{"GetPager",getPager},
-	{"Create", create},
+	{"SetRoomName", setRoomName},
-	{"Unload", unload},
+	{"GetRoomName", getRoomName},
+	{"SetTileset", setTilesetName},
+	{"GetTileset", getTilesetName},
 	{nullptr, nullptr}
 };
 

server/rooms/room_data.hpp

@@ -35,6 +35,9 @@ public:
 	//accessors and mutators
 	RegionPagerLua* GetPager() { return &pager; }
 
+	std::string SetRoomName(std::string s) { return roomName = s; }
+	std::string GetRoomName() { return roomName; }
+
 	std::string SetTilesetName(std::string s) { return tilesetName = s; }
 	std::string GetTilesetName() { return tilesetName; }
 
@@ -43,7 +46,10 @@ private:
 
 	//members
 	RegionPagerLua pager;
+	std::string roomName;
 	std::string tilesetName;
+	//TODO: pass the room name & tileset name to the clients
+	//TODO: lua references i.e. create, unload, etc.
 };
 
 #endif

server/rooms/room_manager.cpp

@@ -29,78 +29,76 @@
 //public access methods
 //-------------------------
 
-int RoomManager::CreateRoom() {
+int RoomManager::Create() {
 	//create the room
-	RoomData* newRoom = new RoomData();
+	RoomData* newRoom = &elementMap[counter]; //implicitly constructs the element
-	newRoom->pager.SetLuaState(luaState);
+	newRoom->pager.SetLuaState(lua);
-
-	//register the room
-	roomMap[counter] = newRoom;
-
-	//API hook
-	lua_getglobal(luaState, TORTUGA_ROOM_NAME);
-	lua_getfield(luaState, -1, "Create");
-	lua_pushlightuserdata(luaState, newRoom);
-	if (lua_pcall(luaState, 1, 0, 0) != LUA_OK) {
-		throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(luaState, -1) ));
-	}
-	lua_pop(luaState, 1);
 
 	//finish the routine
 	return counter++;
 }
 
-void RoomManager::UnloadRoom(int uid) {
+int RoomManager::Load() {
+	//TODO: RoomManager::Load()
+	return -1;
+}
+
+int RoomManager::Save(int uid) {
+	//TODO: RoomManager::Save(uid)
+	return -1;
+}
+
+void RoomManager::Unload(int uid) {
 	//find the room
-	RoomData* room = FindRoom(uid);
+	std::map<int, RoomData>::iterator it = elementMap.find(uid);
-	if (!room) {
+	if (it == elementMap.end()) {
 		return;
 	}
 
-	//API hook
-	lua_getglobal(luaState, TORTUGA_ROOM_NAME);
-	lua_getfield(luaState, -1, "Unload");
-	lua_pushlightuserdata(luaState, room);
-	if (lua_pcall(luaState, 1, 0, 0) != LUA_OK) {
-		throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(luaState, -1) ));
-	}
-	lua_pop(luaState, 1);
-
 	//free the memory
-	delete room;
+	elementMap.erase(uid);
-	roomMap.erase(uid);
 }
 
-RoomData* RoomManager::GetRoom(int uid) {
+void RoomManager::Delete(int uid) {
-	return FindRoom(uid);
+	//TODO: RoomManager::Delete(int uid)
-	//TODO: expand this to auto-create the room
+	//NOTE: aliased to RoomManager::Unload(int uid)
-}
+	Unload(uid);
-
-RoomData* RoomManager::FindRoom(int uid) {
-	std::map<int, RoomData*>::iterator it = roomMap.find(uid);
-	if (it == roomMap.end()) {
-		return nullptr;
-	}
-	return it->second;
-}
-
-int RoomManager::PushRoom(RoomData* room) {
-	roomMap[counter++] = room;
-	return counter;
 }
 
 void RoomManager::UnloadAll() {
-	lua_getglobal(luaState, TORTUGA_ROOM_NAME);
+	elementMap.clear();
+}
 
-	for (auto& it : roomMap) {
+void RoomManager::UnloadIf(std::function<bool(std::pair<const int,RoomData>)> fn) {
-		//API hook
+	std::map<int, RoomData>::iterator it = elementMap.begin();
-		lua_getfield(luaState, -1, "Unload");
+	while (it != elementMap.end()) {
-		lua_pushlightuserdata(luaState, it.second);
+		if (fn(*it)) {
-		if (lua_pcall(luaState, 1, 0, 0) != LUA_OK) {
+			it = elementMap.erase(it);
-			throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(luaState, -1) ));
+		}
+		else {
+			++it;
 		}
 	}
+}
 
-	lua_pop(luaState, 1);
+RoomData* RoomManager::Get(int uid) {
-	roomMap.clear();
+	std::map<int, RoomData>::iterator it = elementMap.find(uid);
-}
+
+	if (it == elementMap.end()) {
+		return nullptr;
+	}
+
+	return &it->second;
+}
+
+int RoomManager::GetLoadedCount() {
+	return elementMap.size();
+}
+
+int RoomManager::GetTotalCount() {
+	return elementMap.size();
+}
+
+std::map<int, RoomData>* RoomManager::GetContainer() {
+	return &elementMap;
+}

server/rooms/room_manager.hpp

@@ -24,28 +24,34 @@
 
 #include "room_data.hpp"
 #include "singleton.hpp"
+#include "manager_interface.hpp"
 
 #include "lua/lua.hpp"
 
-#include <map>
+class RoomManager:
-
+	public Singleton<RoomManager>,
-class RoomManager : public Singleton<RoomManager> {
+	public ManagerInterface<RoomData>
+{
 public:
-	//public access methods
+	//common public methods
-	int CreateRoom();
+	int Create() override;
-	void UnloadRoom(int uid);
+	int Load() override;
+	int Save(int uid) override;
+	void Unload(int uid) override;
+	void Delete(int uid) override;
 
-	RoomData* GetRoom(int uid);
+	void UnloadAll() override;
-	RoomData* FindRoom(int uid);
+	void UnloadIf(std::function<bool(std::pair<const int,RoomData>)> fn) override;
-	int PushRoom(RoomData*);
-
-	void UnloadAll();
 
 	//accessors and mutators
-	std::map<int, RoomData*>* GetContainer() { return &roomMap; }
+	RoomData* Get(int uid) override;
+	int GetLoadedCount() override;
+	int GetTotalCount() override;
+	std::map<int, RoomData>* GetContainer() override;
 
-	lua_State* SetLuaState(lua_State* L) { return luaState = L; }
+	//hooks
-	lua_State* GetLuaState() { return luaState; }
+	lua_State* SetLuaState(lua_State* L) { return lua = L; }
+	lua_State* GetLuaState() { return lua; }
 
 private:
 	friend Singleton<RoomManager>;
@@ -53,8 +59,7 @@ private:
 	RoomManager() = default;
 	~RoomManager() = default;
 
-	std::map<int, RoomData*> roomMap;
+	lua_State* lua = nullptr;
-	lua_State* luaState = nullptr;
 	int counter = 0;
 };
 

server/rooms/room_manager_api.cpp

@@ -23,34 +23,34 @@
 
 #include "room_manager.hpp"
 
-#include <string>
+int createRoom(lua_State* L) {
+	//create & get the room
+	RoomManager& roomMgr = RoomManager::GetSingleton();
+	int uid = roomMgr.Create();
+	RoomData* room = roomMgr.Get(uid);
 
-static int getRoom(lua_State* L) {
+	//setup the room
-	//find, push and return the room
+	//TODO: room parameters only set via lua, fix this
-	RoomData* room = RoomManager::GetSingleton().GetRoom(lua_tointeger(L, -2));
+	room->SetRoomName(lua_tostring(L, 1));
-	lua_pushlightuserdata(L, reinterpret_cast<void*>(room));
+	room->SetTilesetName(lua_tostring(L, 2));
-	return 1;
+
+	//return room, uid
+	lua_pushlightuserdata(L, static_cast<void*>(room));
+	lua_pushinteger(L, uid);
+
+	return 2;
 }
 
-static int createRoom(lua_State* L) {
+int unloadRoom(lua_State* L) {
-	//TODO: check parameter count for the glue functions
+	//TODO: check authorization for room deletion
-
+	RoomManager& roomMgr = RoomManager::GetSingleton();
-	//create, find and return the room
+	roomMgr.Unload(lua_tointeger(L, 1));
-	int uid = RoomManager::GetSingleton().CreateRoom();
-	lua_pushlightuserdata(L, RoomManager::GetSingleton().FindRoom(uid));
-	return 1;
-}
-
-static int unloadRoom(lua_State* L) {
-	//unload the specified room
-	RoomManager::GetSingleton().UnloadRoom(lua_tointeger(L, -2));
 	return 0;
 }
 
 static const luaL_Reg roomManagerLib[] = {
-	{"GetRoom",getRoom},
+	{"CreateRoom", createRoom},
-	{"CreateRoom",createRoom},
+	{"UnloadRoom", unloadRoom},
-	{"UnloadRoom",unloadRoom},
 	{nullptr, nullptr}
 };
 

server/server_methods.cpp

@@ -161,7 +161,7 @@ void ServerApplication::HandleRegionRequest(RegionPacket* const argPacket) {
 	newPacket.y = argPacket->y;
 
 	//BUG: possibly related to #35
-	newPacket.region = roomMgr.GetRoom(argPacket->roomIndex)->GetPager()->GetRegion(argPacket->x, argPacket->y);
+	newPacket.region = roomMgr.Get(argPacket->roomIndex)->GetPager()->GetRegion(argPacket->x, argPacket->y);
 
 	//send the content
 	network.SendTo(argPacket->srcAddress, static_cast<SerialPacket*>(&newPacket));

server/server_utilities/manager_interface.hpp

@@ -0,0 +1,55 @@
+/* Copyright: (c) Kayne Ruse 2014
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#ifndef MANAGERINTERFACE_HPP_
+#define MANAGERINTERFACE_HPP_
+
+#include <functional>
+#include <map>
+
+template<typename T, typename... Arguments>
+class ManagerInterface {
+public:
+	//common public methods
+	virtual int Create(Arguments... parameters) = 0;
+	virtual int Load(Arguments... parameters) = 0;
+	virtual int Save(int uid) = 0;
+	virtual void Unload(int uid) = 0;
+	virtual void Delete(int uid) = 0;
+
+	virtual void UnloadAll() = 0;
+	virtual void UnloadIf(std::function<bool(std::pair<const int, T>)> fn) = 0;
+
+	//accessors & mutators
+	virtual T* Get(int uid) = 0;
+	virtual int GetLoadedCount() = 0;
+	virtual int GetTotalCount() = 0; //can be an alias of GetLoadedCount()
+	virtual std::map<int, T>* GetContainer() = 0;
+
+protected:
+	ManagerInterface() = default;
+	~ManagerInterface() = default;
+
+	//members
+	std::map<int, T> elementMap;
+};
+
+#endif