Small fixes.

common/include/core/Registry.hpp

@@ -23,7 +23,7 @@
 #include "Network.hpp"
 #include "Recipe.hpp"
 
-struct Client;
+class Client;
 
 class Registry : public ISerializable {
 	public:

common/include/network/ISerializable.hpp

@@ -18,6 +18,8 @@ namespace sf { class Packet; }
 
 class ISerializable {
 	public:
+		virtual ~ISerializable() = default;
+
 		virtual void serialize(sf::Packet &packet) = 0;
 		virtual void deserialize(sf::Packet &packet) = 0;
 };

common/include/world/World.hpp

@@ -20,6 +20,8 @@
 
 class World {
 	public:
+		virtual ~World() = default;
+
 		virtual BlockData *getBlockData(int x, int y, int z) const = 0;
 
 		virtual u16 getBlock(int x, int y, int z) const = 0;

server/include/network/ServerInfo.hpp

@@ -24,7 +24,8 @@
 
 #include "NetworkInputHandler.hpp"
 
-struct Client {
+class Client {
+	public:
 		Client(u16 _id, sf::IpAddress _address, u16 _port, const std::shared_ptr<sf::TcpSocket> &socket)
 			: id(_id), address(_address), port(_port), tcpSocket(socket) {}
 

server/include/world/ServerBlock.hpp

@@ -16,7 +16,7 @@
 
 #include "Block.hpp"
 
-struct Client;
+class Client;
 class Server;
 
 class ServerBlock : public Block {

server/include/world/ServerWorld.hpp

@@ -20,7 +20,7 @@
 #include "ServerChunk.hpp"
 #include "World.hpp"
 
-struct Client;
+class Client;
 class Server;
 class ServerPlayer;