merge fix

CMakeLists.txt

@@ -12,6 +12,7 @@ FIND_PACKAGE(Lua51 REQUIRED)
 FIND_PACKAGE(YamlCpp REQUIRED)
 FIND_PACKAGE(PhysFS REQUIRED)
 FIND_PACKAGE(PNG REQUIRED)
+FIND_PACKAGE(GMP REQUIRED)
 
 # choose a default build type if not specified
 IF(NOT CMAKE_BUILD_TYPE)
@@ -33,6 +34,7 @@ INCLUDE_DIRECTORIES(
     ${LUA_INCLUDE_DIRS}
     ${YAMLCPP_INCLUDE_DIRS}
     ${PHYSFS_INCLUDE_DIRS}
+    ${GMP_INCLUDE_DIR}
     ${PNG_INCLUDE_DIRS})
 
 LINK_DIRECTORIES(
@@ -55,6 +57,9 @@ SET(SOURCES
     src/menustate.cpp
     src/teststate.cpp
 
+# game net
+    src/net/protocoltibia87.cpp
+
 # framework sources
     src/framework/image.cpp
     src/framework/borderedimage.cpp
@@ -83,7 +88,12 @@ SET(SOURCES
 
 # network
     src/framework/net/connection.cpp
-    src/framework/net/connections.cpp)
+    src/framework/net/connections.cpp
+    src/framework/net/protocol.cpp
+    src/framework/net/networkmessage.cpp
+
+# util
+    src/framework/util/rsa.cpp)
 
 IF(WIN32)
     SET(SOURCES ${SOURCES} src/framework/win32platform.cpp)
@@ -105,4 +115,5 @@ TARGET_LINK_LIBRARIES(otclient
     ${YAMLCPP_LIBRARY}
     ${PHYSFS_LIBRARY}
     ${PNG_LIBRARY}
+    ${GMP_LIBRARIES}
     ${ADDITIONAL_LIBRARIES})

src/framework/net/connection.cpp

@@ -43,49 +43,140 @@ void Connection::stop()
     }
 }
 
-void Connection::connect(const std::string& ip, uint16 port)
+bool Connection::connect(const std::string& ip, uint16 port, ConnectionCallback onConnect)
 {
     if(m_connecting){
         logError("Already is connecting.");
-        return;
+        return false;
     }
 
+    if(m_connected){
+        logError("Already is connected.");
+        return false;
+    }
+
+    m_connectCallback = onConnect;
     m_connecting = true;
     m_ip = ip;
     m_port = port;
 
-    logDebug("connecting...");
-    
     //first resolve dns
     boost::asio::ip::tcp::resolver::query query(ip, convertType<std::string, uint16>(port));
     m_resolver.async_resolve(query, boost::bind(&Connection::onResolveDns, this, boost::asio::placeholders::error, boost::asio::placeholders::iterator));
+
+    return true;
 }
 
-void Connection::onResolveDns(const boost::system::error_code& error, boost::asio::ip::tcp::resolver::iterator endpoint_iterator)
+void Connection::onResolveDns(const boost::system::error_code& error, boost::asio::ip::tcp::resolver::iterator endpointIt)
 {
-    logDebug("resolving dns..");
-    
-    m_lastError = error;
-    
     if(error){
         m_connecting = false;
+        m_errorCallback(error, __FUNCTION__);
         return;
     }
 
     //lets connect
-    m_socket.async_connect(*endpoint_iterator, boost::bind(&Connection::onConnect, this, boost::asio::placeholders::error));
+    m_socket.async_connect(*endpointIt, boost::bind(&Connection::onConnect, this, boost::asio::placeholders::error));
 }
 
 void Connection::onConnect(const boost::system::error_code& error)
 {
-    m_lastError = error;
-
     if(error){
         m_connecting = false;
+        m_errorCallback(error, __FUNCTION__);
         return;
     }
 
     m_connected = true;
 
-    logInfo("Connected on %s.", m_ip.c_str());
+    m_connectCallback();
+}
+
+void Connection::handleError(const boost::system::error_code& error)
+{
+    stop();
+
+    if(isConnected()){
+        closeSocket();
+    }
+}
+
+void Connection::closeSocket()
+{
+    boost::system::error_code error;
+    m_socket.shutdown(boost::asio::ip::tcp::socket::shutdown_both, error);
+
+    if(error) {
+        logError("Connection::closeSocket(): %s", error.message().c_str());
+    }
+
+    m_socket.close(error);
+
+    if(error) {
+        logError("Connection::closeSocket(): %s", error.message().c_str());
+    }
+}
+
+void Connection::send(NetworkMessagePtr networkMessage, ConnectionCallback onSend)
+{
+    boost::asio::async_write(m_socket,
+        boost::asio::buffer(networkMessage->getBuffer(), NetworkMessage::header_length),
+        boost::bind(&Connection::onSendHeader, shared_from_this(), networkMessage, onSend, boost::asio::placeholders::error));
+}
+
+void Connection::recv(RecvCallback onRecv)
+{
+    NetworkMessagePtr networkMessage(new NetworkMessage);
+
+    boost::asio::async_read(m_socket,
+        boost::asio::buffer(networkMessage->getBuffer(), NetworkMessage::header_length),
+        boost::bind(&Connection::onRecvHeader, shared_from_this(), networkMessage, onRecv, boost::asio::placeholders::error));
+}
+
+void Connection::onRecvHeader(ConnectionPtr connection, NetworkMessagePtr networkMessage, RecvCallback onRecv, const boost::system::error_code& error)
+{
+    if(error){
+        connection->handleError(error);
+        connection->onError(error, __FUNCTION__);
+        return;
+    }
+
+    boost::asio::async_read(connection->getSocket(),
+        boost::asio::buffer(networkMessage->getBodyBuffer(), networkMessage->getMessageLength()),
+        boost::bind(&Connection::onRecvBody, connection, networkMessage, onRecv, boost::asio::placeholders::error));
+}
+
+void Connection::onRecvBody(ConnectionPtr connection, NetworkMessagePtr networkMessage, RecvCallback onRecv, const boost::system::error_code& error)
+{
+    if(error){
+        connection->handleError(error);
+        connection->onError(error, __FUNCTION__);
+        return;
+    }
+
+    onRecv(networkMessage);
+}
+
+void Connection::onSendHeader(ConnectionPtr connection, NetworkMessagePtr networkMessage, ConnectionCallback onSend, const boost::system::error_code& error)
+{
+    if(error){
+        connection->handleError(error);
+        connection->onError(error, __FUNCTION__);
+        return;
+    }
+
+    boost::asio::async_write(connection->getSocket(),
+        boost::asio::buffer(networkMessage->getBodyBuffer(), networkMessage->getMessageLength()),
+        boost::bind(&Connection::onSendBody, connection, networkMessage, onSend, boost::asio::placeholders::error));
+}
+
+void Connection::onSendBody(ConnectionPtr connection, NetworkMessagePtr networkMessage, ConnectionCallback onSend, const boost::system::error_code& error)
+{
+    if(error){
+        connection->handleError(error);
+        connection->onError(error, __FUNCTION__);
+        return;
+    }
+
+    onSend();
 }

src/framework/net/connection.h

@@ -28,35 +28,70 @@
 
 #include <boost/asio.hpp>
 
-class Connection
+#include "networkmessage.h"
+
+class TestState;
+class Protocol;
+class Connections;
+
+class Connection : public std::enable_shared_from_this<Connection>
 {
 public:
+    typedef std::function<void()> ConnectionCallback;
+    typedef std::function<void(NetworkMessagePtr)> RecvCallback;
+    typedef std::function<void(const boost::system::error_code&, const std::string&)> ErrorCallback;
+
+    typedef std::shared_ptr<Connection> ConnectionPtr;
+
+private:
     Connection(boost::asio::io_service& ioService);
 
-    void connect(const std::string& ip, uint16 port);
+    bool connect(const std::string& ip, uint16 port, ConnectionCallback onConnect);
     void stop();
 
+    void setErrorCallback(ErrorCallback c) { m_errorCallback = c; }
+
+    void recv(RecvCallback onSend);
+    void send(NetworkMessagePtr networkMessage, ConnectionCallback onRecv);
+
     bool isConnecting() const { return m_connecting; }
     bool isConnected() const { return m_connected; }
 
-    const boost::system::error_code& getLastError() const { return m_lastError; }
+    boost::asio::ip::tcp::socket& getSocket() { return m_socket; }
 
-    void resetLastError() { m_lastError = boost::system::error_code(); }
+    void onError(const boost::system::error_code& error, const std::string& msg) { m_errorCallback(error, msg); }
     
 private:
-    void onResolveDns(const boost::system::error_code& error, boost::asio::ip::tcp::resolver::iterator endpoint_iterator);
+    static void onSendHeader(ConnectionPtr connection, NetworkMessagePtr networkMessage, ConnectionCallback onSend, const boost::system::error_code& error);
+    static void onSendBody(ConnectionPtr connection, NetworkMessagePtr networkMessage, ConnectionCallback onSend, const boost::system::error_code& error);
+
+    static void onRecvHeader(ConnectionPtr connection, NetworkMessagePtr networkMessage, RecvCallback onRecv, const boost::system::error_code& error);
+    static void onRecvBody(ConnectionPtr connection, NetworkMessagePtr networkMessage, RecvCallback onRecv, const boost::system::error_code& error);
+
+private:
+    void onResolveDns(const boost::system::error_code& error, boost::asio::ip::tcp::resolver::iterator endpointIt);
     void onConnect(const boost::system::error_code& error);
 
 private:
+    void closeSocket();
+
+private:
+    void handleError(const boost::system::error_code& error);
+
     boost::asio::ip::tcp::socket m_socket;
     boost::asio::ip::tcp::resolver m_resolver;
-    boost::system::error_code m_lastError;
 
     bool m_connecting;
     bool m_connected;
 
     std::string m_ip;
     uint16_t m_port;
+
+    ConnectionCallback m_connectCallback;
+    ErrorCallback m_errorCallback;
+
+    friend class Protocol;
+    friend class Connections;
 };
 
 typedef std::shared_ptr<Connection> ConnectionPtr;

src/framework/net/networkmessage.cpp

@@ -0,0 +1,178 @@
+/* The MIT License
+ *
+ * Copyright (c) 2010 OTClient, https://github.com/edubart/otclient
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "networkmessage.h"
+
+void NetworkMessage::updateHeaderLength()
+{
+    uint16 size = m_msgSize;
+    memcpy(m_msgBuf, &size, 2);
+}
+
+bool NetworkMessage::canAdd(int size) {
+    return (size + m_readPos < NETWORKMESSAGE_MAXSIZE - 16);
+}
+
+std::string NetworkMessage::getString()
+{
+    uint16 stringlen = getU16();
+    if(stringlen >= (16384 - m_readPos))
+        return std::string();
+
+    char* v = (char*)(m_msgBuf + m_readPos);
+    m_readPos += stringlen;
+    return std::string(v, stringlen);
+}
+
+std::string NetworkMessage::getRaw()
+{
+    uint16 stringlen = m_msgSize - m_readPos;
+    if(stringlen >= (16384 - m_readPos))
+        return std::string();
+
+    char* v = (char*)(m_msgBuf + m_readPos);
+    m_readPos += stringlen;
+    return std::string(v, stringlen);
+}
+
+void NetworkMessage::addString(const char* value)
+{
+    uint32 stringlen = (uint32)strlen(value);
+    if(!canAdd(stringlen + 2) || stringlen > 8192)
+        return;
+
+    addU16(stringlen);
+    strcpy((char*)(m_msgBuf + m_readPos), value);
+    m_readPos += stringlen;
+    m_msgSize += stringlen;
+}
+
+void NetworkMessage::addBytes(const char* bytes, uint32 size)
+{
+    if(!canAdd(size) || size > 8192)
+        return;
+
+    memcpy(m_msgBuf + m_readPos, bytes, size);
+    m_readPos += size;
+    m_msgSize += size;
+}
+
+void NetworkMessage::addPaddingBytes(uint32 n)
+{
+    if(!canAdd(n))
+        return;
+
+    memset((void*)&m_msgBuf[m_readPos], 0x33, n);
+    m_msgSize = m_msgSize + n;
+}
+
+void NetworkMessage::skipBytes(int count) {
+    m_readPos += count;
+}
+
+// simply write functions for outgoing message
+void NetworkMessage::addByte(uint8 value) {
+    if(!canAdd(1))
+        return;
+
+    m_msgBuf[m_readPos++] = value;
+    m_msgSize++;
+}
+
+void NetworkMessage::addU16(uint16 value) {
+    if(!canAdd(2))
+        return;
+
+    *(uint16*)(m_msgBuf + m_readPos) = value;
+    m_readPos += 2;
+    m_msgSize += 2;
+}
+
+void NetworkMessage::addU32(uint32 value) {
+    if(!canAdd(4))
+        return;
+
+    *(uint32*)(m_msgBuf + m_readPos) = value;
+    m_readPos += 4;
+    m_msgSize += 4;
+}
+
+void NetworkMessage::addU64(uint64 value) {
+    if(!canAdd(8))
+        return;
+
+    *(uint64*)(m_msgBuf + m_readPos) = value;
+    m_readPos += 8;
+    m_msgSize += 8;
+}
+
+void NetworkMessage::addString(const std::string &value) {
+    addString(value.c_str());
+}
+
+int32 NetworkMessage::getMessageLength() const {
+    return m_msgSize;
+}
+
+void NetworkMessage::setMessageLength(int32 newSize) {
+    m_msgSize = newSize;
+}
+
+int32 NetworkMessage::getReadPos() const {
+    return m_readPos;
+}
+
+uint8 NetworkMessage::getByte()
+{
+    return m_msgBuf[m_readPos++];
+}
+
+uint16 NetworkMessage::getU16()
+{
+    uint16 v = *(uint16*)(m_msgBuf + m_readPos);
+    m_readPos += 2;
+    return v;
+}
+
+uint32 NetworkMessage::getU32()
+{
+    uint32 v = *(uint32*)(m_msgBuf + m_readPos);
+    m_readPos += 4;
+    return v;
+}
+
+uint64 NetworkMessage::getU64()
+{
+    uint64 v = *(uint64*)(m_msgBuf + m_readPos);
+    m_readPos += 8;
+    return v;
+}
+
+char* NetworkMessage::getBuffer() {
+    return (char*)&m_msgBuf[0];
+}
+
+char* NetworkMessage::getBodyBuffer() {
+    m_readPos = 2;
+    return (char*)&m_msgBuf[header_length];
+}

src/framework/net/networkmessage.h

@@ -0,0 +1,97 @@
+/* The MIT License
+ *
+ * Copyright (c) 2010 OTClient, https://github.com/edubart/otclient
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef NETWORKMESSAGE_H
+#define NETWORKMESSAGE_H
+
+#include "../prerequisites.h"
+
+class Rsa;
+
+class NetworkMessage
+{
+public:
+    enum {
+        header_length = 2,
+        NETWORKMESSAGE_MAXSIZE = 1500
+    };
+
+    enum {
+        max_body_length = NETWORKMESSAGE_MAXSIZE - header_length
+    };
+
+    // constructor/destructor
+    NetworkMessage() {
+        reset();
+    }
+
+    // resets the internal buffer to an empty message
+protected:
+    void reset() {
+        m_msgSize = 0;
+        m_readPos = 2;
+    }
+public:
+    // simply read functions for incoming message
+    uint8 getByte();
+    uint16 getU16();
+    uint32 getU32();
+    uint64 getU64();
+
+    std::string getString();
+    std::string getRaw();
+
+    // skips count unknown/unused bytes in an incoming message
+    void skipBytes(int count);
+
+    // simply write functions for outgoing message
+    void addByte(uint8 value);
+    void addU16(uint16 value);
+    void addU32(uint32 value);
+    void addU64(uint64 value);
+    void addBytes(const char* bytes, uint32_t size);
+    void addPaddingBytes(uint32 n);
+    void addString(const std::string &value);
+    void addString(const char* value);
+    int32 getMessageLength() const;
+
+    void setMessageLength(int32 newSize);
+    int32 getReadPos() const;
+    int32 getHeaderSize();
+    char* getBuffer();
+    char* getBodyBuffer();
+
+    void updateHeaderLength();
+
+protected:
+    inline bool canAdd(int size);
+
+    int32 m_msgSize;
+    int32 m_readPos;
+
+    uint8 m_msgBuf[NETWORKMESSAGE_MAXSIZE];
+};
+
+typedef std::shared_ptr<NetworkMessage> NetworkMessagePtr;
+
+#endif //NETWORKMESSAGE_H 

src/framework/net/protocol.cpp

@@ -0,0 +1,50 @@
+/* The MIT License
+ *
+ * Copyright (c) 2010 OTClient, https://github.com/edubart/otclient
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "protocol.h"
+#include "connections.h"
+
+Protocol::Protocol()
+{
+    m_connection = g_connections.createConnection();
+    m_connection->setErrorCallback(
+        [this](const boost::system::error_code& error, const std::string& msg){
+            this->onError(error, msg);
+        }
+    );
+}
+
+void Protocol::send(NetworkMessagePtr networkMessage, Connection::ConnectionCallback onSend)
+{
+    m_connection->send(networkMessage, onSend);
+}
+
+bool Protocol::connect(const std::string& ip, uint16 port, Connection::ConnectionCallback onConnect)
+{
+    return m_connection->connect(ip, port, onConnect);
+}
+
+void Protocol::recv(Connection::RecvCallback onRecv)
+{
+    m_connection->recv(onRecv);
+}

src/framework/net/protocol.h

@@ -0,0 +1,48 @@
+/* The MIT License
+ *
+ * Copyright (c) 2010 OTClient, https://github.com/edubart/otclient
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef PROTOCOL_H
+#define PROTOCOL_H
+
+#include "../prerequisites.h"
+#include "connection.h"
+
+class Protocol
+{
+public:
+    Protocol();
+
+    virtual void begin() = 0;
+
+protected:
+    void send(NetworkMessagePtr networkMessage, Connection::ConnectionCallback onSend);
+    void recv(Connection::RecvCallback onRecv);
+
+    bool connect(const std::string& ip, uint16 port, Connection::ConnectionCallback onConnect);
+
+    virtual void onError(const boost::system::error_code& error, const std::string& msg) = 0;
+
+    ConnectionPtr m_connection;
+};
+
+#endif //PROTOCOL_H

src/framework/prerequisites.h

@@ -31,6 +31,7 @@ typedef unsigned char uchar;
 typedef unsigned short ushort;
 typedef unsigned int uint;
 typedef unsigned long ulong;
+typedef uint64_t uint64;
 typedef uint32_t uint32;
 typedef uint16_t uint16;
 typedef uint8_t uint8;

src/teststate.cpp

@@ -28,9 +28,14 @@
 #include "framework/engine.h"
 #include "framework/input.h"
 
+#include "framework/net/connections.h"
+
+#include "net/protocoltibia87.h"
+
 void TestState::onEnter()
 {
-
+    m_protocol = ProtocolTibia87Ptr(new ProtocolTibia87);
+    m_protocol->begin();
 }
 
 void TestState::onLeave()
@@ -62,4 +67,3 @@ void TestState::update(int ticks, int elapsedTicks)
 {
 
 }
-

src/teststate.h

@@ -26,6 +26,7 @@
 #define TESTSTATE_H
 
 #include "framework/gamestate.h"
+#include "net/protocoltibia87.h"
 
 class TestState : public GameState
 {
@@ -39,8 +40,11 @@ public:
     void onInputEvent(InputEvent *event);
     void onResize(const Size& size);
 
-    void render();
+    virtual void render();
-    void update(int ticks, int elapsedTicks);
+    virtual void update(int ticks, int elapsedTicks);
+
+private:
+    ProtocolTibia87Ptr m_protocol;
 };
 
 #endif // TESTSTATE_H