Implemented the 1.7.6 protocol and authenticator.

Server works both in online and offline modes with 1.7.9.

src/ClientHandle.cpp

@@ -178,21 +178,32 @@ void cClientHandle::Destroy(void)
 
 
 void cClientHandle::GenerateOfflineUUID(void)
+{
+	m_UUID = GenerateOfflineUUID(m_Username);
+}
+
+
+
+
+
+AString cClientHandle::GenerateOfflineUUID(const AString & a_Username)
 {
 	// Proper format for a version 3 UUID is:
 	// xxxxxxxx-xxxx-3xxx-yxxx-xxxxxxxxxxxx where x is any hexadecimal digit and y is one of 8, 9, A, or B
 	
 	// Generate an md5 checksum, and use it as base for the ID:
-	MD5 Checksum(m_Username);
+	MD5 Checksum(a_Username);
-	m_UUID = Checksum.hexdigest();
+	AString UUID = Checksum.hexdigest();
-	m_UUID[12] = '3';  // Version 3 UUID
+	UUID[12] = '3';  // Version 3 UUID
-	m_UUID[16] = '8';  // Variant 1 UUID
+	UUID[16] = '8';  // Variant 1 UUID
 	
 	// Now the digest doesn't have the UUID slashes, but the client requires them, so add them into the appropriate positions:
-	m_UUID.insert(8, "-");
+	UUID.insert(8, "-");
-	m_UUID.insert(13, "-");
+	UUID.insert(13, "-");
-	m_UUID.insert(18, "-");
+	UUID.insert(18, "-");
-	m_UUID.insert(23, "-");
+	UUID.insert(23, "-");
+	
+	return UUID;
 }
 
 
@@ -224,6 +235,9 @@ void cClientHandle::Authenticate(const AString & a_Name, const AString & a_UUID)
 	m_Username = a_Name;
 	m_UUID = a_UUID;
 	
+	// Send login success (if the protocol supports it):
+	m_Protocol->SendLoginSuccess();
+
 	// Spawn player (only serversided, so data is loaded)
 	m_Player = new cPlayer(this, GetUsername());
 

src/ClientHandle.h

@@ -65,10 +65,16 @@ public:
 	const AString & GetUUID(void) const { return m_UUID; } // tolua_export
 	void SetUUID(const AString & a_UUID) { m_UUID = a_UUID; }
 	
+	/** Generates an UUID based on the username stored for this client, and stores it in the m_UUID member.
+	This is used for the offline (non-auth) mode, when there's no UUID source.
+	Each username generates a unique and constant UUID, so that when the player reconnects with the same name, their UUID is the same.
+	Internally calls the GenerateOfflineUUID static function. */
+	void GenerateOfflineUUID(void);
+	
 	/** Generates an UUID based on the player name provided.
 	This is used for the offline (non-auth) mode, when there's no UUID source.
 	Each username generates a unique and constant UUID, so that when the player reconnects with the same name, their UUID is the same. */
-	void GenerateOfflineUUID(void);
+	static AString GenerateOfflineUUID(const AString & a_Username);  // tolua_export
 
 	void Kick(const AString & a_Reason);		// tolua_export
 	void Authenticate(const AString & a_Name, const AString & a_UUID);  // Called by cAuthenticator when the user passes authentication

src/Protocol/Authenticator.cpp

@@ -2,9 +2,10 @@
 #include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
 
 #include "Authenticator.h"
-#include "OSSupport/BlockingTCPLink.h"
+#include "../OSSupport/BlockingTCPLink.h"
-#include "Root.h"
+#include "../Root.h"
-#include "Server.h"
+#include "../Server.h"
+#include "../ClientHandle.h"
 
 #include "inifile/iniFile.h"
 #include "json/json.h"
@@ -32,10 +33,10 @@
 
 
 cAuthenticator::cAuthenticator(void) :
-super("cAuthenticator"),
+	super("cAuthenticator"),
-m_Server(DEFAULT_AUTH_SERVER),
+	m_Server(DEFAULT_AUTH_SERVER),
-m_Address(DEFAULT_AUTH_ADDRESS),
+	m_Address(DEFAULT_AUTH_ADDRESS),
-m_ShouldAuthenticate(true)
+	m_ShouldAuthenticate(true)
 {
 }
 
@@ -67,7 +68,7 @@ void cAuthenticator::Authenticate(int a_ClientID, const AString & a_UserName, co
 {
 	if (!m_ShouldAuthenticate)
 	{
-		cRoot::Get()->AuthenticateUser(a_ClientID, a_UserName, Printf("%d", a_ClientID));
+		cRoot::Get()->AuthenticateUser(a_ClientID, a_UserName, cClientHandle::GenerateOfflineUUID(a_UserName));
 		return;
 	}
 
@@ -144,9 +145,9 @@ void cAuthenticator::Execute(void)
 
 bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_ServerId, AString & a_UUID)
 {
-	AString REQUEST;
+	LOGD("Trying to auth user %s", a_UserName.c_str());
+	
 	int ret, server_fd = -1;
-	size_t len = 0;
 	unsigned char buf[1024];
 	const char *pers = "cAuthenticator";
 
@@ -162,36 +163,31 @@ bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_S
 	entropy_init(&entropy);
 	if ((ret = ctr_drbg_init(&ctr_drbg, entropy_func, &entropy, (const unsigned char *)pers, strlen(pers))) != 0)
 	{
-		LOGERROR("cAuthenticator: ctr_drbg_init returned %d", ret);
+		LOGWARNING("cAuthenticator: ctr_drbg_init returned %d", ret);
 		return false;
 	}
 
 	/* Initialize certificates */
-
+	// TODO: Grab the sessionserver's root CA and any intermediates and hard-code them here, instead of test_ca_list
-#if defined(POLARSSL_CERTS_C)
 	ret = x509_crt_parse(&cacert, (const unsigned char *)test_ca_list, strlen(test_ca_list));
-#else
-	ret = 1;
-	LOGWARNING("cAuthenticator: POLARSSL_CERTS_C is not defined.");
-#endif
 
 	if (ret < 0)
 	{
-		LOGERROR("cAuthenticator: x509_crt_parse returned -0x%x", -ret);
+		LOGWARNING("cAuthenticator: x509_crt_parse returned -0x%x", -ret);
 		return false;
 	}
 
 	/* Connect */
 	if ((ret = net_connect(&server_fd, m_Server.c_str(), 443)) != 0)
 	{
-		LOGERROR("cAuthenticator: Can't connect to %s: %d", m_Server.c_str(), ret);
+		LOGWARNING("cAuthenticator: Can't connect to %s: %d", m_Server.c_str(), ret);
 		return false;
 	}
 
 	/* Setup */
 	if ((ret = ssl_init(&ssl)) != 0)
 	{
-		LOGERROR("cAuthenticator: ssl_init returned %d", ret);
+		LOGWARNING("cAuthenticator: ssl_init returned %d", ret);
 		return false;
 	}
 	ssl_set_endpoint(&ssl, SSL_IS_CLIENT);
@@ -203,9 +199,9 @@ bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_S
 	/* Handshake */
 	while ((ret = ssl_handshake(&ssl)) != 0)
 	{
-		if (ret != POLARSSL_ERR_NET_WANT_READ && ret != POLARSSL_ERR_NET_WANT_WRITE)
+		if ((ret != POLARSSL_ERR_NET_WANT_READ) && (ret != POLARSSL_ERR_NET_WANT_WRITE))
 		{
-			LOGERROR("cAuthenticator: ssl_handshake returned -0x%x", -ret);
+			LOGWARNING("cAuthenticator: ssl_handshake returned -0x%x", -ret);
 			return false;
 		}
 	}
@@ -215,54 +211,47 @@ bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_S
 	ReplaceString(ActualAddress, "%USERNAME%", a_UserName);
 	ReplaceString(ActualAddress, "%SERVERID%", a_ServerId);
 
-	REQUEST += "GET " + ActualAddress + " HTTP/1.1\r\n";
+	AString Request;
-	REQUEST += "Host: " + m_Server + "\r\n";
+	Request += "GET " + ActualAddress + " HTTP/1.1\r\n";
-	REQUEST += "User-Agent: MCServer\r\n";
+	Request += "Host: " + m_Server + "\r\n";
-	REQUEST += "Connection: close\r\n";
+	Request += "User-Agent: MCServer\r\n";
-	REQUEST += "\r\n";
+	Request += "Connection: close\r\n";
+	Request += "\r\n";
 
-	len = REQUEST.size();
+	ret = ssl_write(&ssl, (const unsigned char *)Request.c_str(), Request.size());
-	strcpy((char *)buf, REQUEST.c_str());
+	if (ret <= 0)
-
-	while ((ret = ssl_write(&ssl, buf, len)) <= 0)
 	{
-		if (ret != POLARSSL_ERR_NET_WANT_READ && ret != POLARSSL_ERR_NET_WANT_WRITE)
+		LOGWARNING("cAuthenticator: ssl_write returned %d", ret);
-		{
-			LOGERROR("cAuthenticator: ssl_write returned %d", ret);
 		return false;
 	}
-	}
 
 	/* Read the HTTP response */
-	std::string Builder;
+	std::string Response;
 	for (;;)
 	{
-		len = sizeof(buf)-1;
 		memset(buf, 0, sizeof(buf));
-		ret = ssl_read(&ssl, buf, len);
+		ret = ssl_read(&ssl, buf, sizeof(buf));
-		if (ret > 0)
-		{
-			buf[ret] = '\0';
-		}
 
-		if (ret == POLARSSL_ERR_NET_WANT_READ || ret == POLARSSL_ERR_NET_WANT_WRITE)
+		if ((ret == POLARSSL_ERR_NET_WANT_READ) || (ret == POLARSSL_ERR_NET_WANT_WRITE))
+		{
 			continue;
+		}
 		if (ret == POLARSSL_ERR_SSL_PEER_CLOSE_NOTIFY)
+		{
 			break;
+		}
 		if (ret < 0)
 		{
-			LOGERROR("cAuthenticator: ssl_read returned %d", ret);
+			LOGWARNING("cAuthenticator: ssl_read returned %d", ret);
 			break;
 		}
 		if (ret == 0)
 		{
-			LOGERROR("cAuthenticator: EOF");
+			LOGWARNING("cAuthenticator: EOF");
 			break;
 		}
 
-		std::string str;
+		Response.append((const char *)buf, ret);
-		str.append(reinterpret_cast<const char*>(buf));
-		Builder += str;
 	} 
 
 	ssl_close_notify(&ssl);
@@ -272,51 +261,49 @@ bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_S
 	entropy_free(&entropy);
 	memset(&ssl, 0, sizeof(ssl));
 
-	std::string prefix("HTTP/1.1 200 OK");
+	// Check the HTTP status line:
-	if (Builder.compare(0, prefix.size(), prefix))
+	AString prefix("HTTP/1.1 200 OK");
+	AString HexDump;
+	if (Response.compare(0, prefix.size(), prefix))
+	{
+		LOGINFO("User \"%s\" failed to auth, bad http status line received", a_UserName.c_str());
+		LOG("Response: \n%s", CreateHexDump(HexDump, Response.data(), Response.size(), 16).c_str());
 		return false;
-
-	std::stringstream ResponseBuilder;
-	bool NewLine = false;
-	bool IsNewLine = false;
-	for (std::string::const_iterator i = Builder.begin(); i <= Builder.end(); ++i)
-	{
-		if (NewLine)
-		{
-			ResponseBuilder << *i;
-		}
-		else if (!NewLine && *i == '\n')
-		{
-			if (IsNewLine)
-			{
-				NewLine = true;
-			}
-			else
-			{
-				IsNewLine = true;
-			}
-		}
-		else if (*i != '\r')
-		{
-			IsNewLine = false;
-		}
 	}
 
-	AString RESPONSE = ResponseBuilder.str();
+	// Erase the HTTP headers from the response:
-
+	size_t idxHeadersEnd = Response.find("\r\n\r\n");
-	if (RESPONSE.empty())
+	if (idxHeadersEnd == AString::npos)
+	{
+		LOGINFO("User \"%s\" failed to authenticate, bad http response header received", a_UserName.c_str());
+		LOG("Response: \n%s", CreateHexDump(HexDump, Response.data(), Response.size(), 16).c_str());
 		return false;
+	}
+	Response.erase(0, idxHeadersEnd + 4);
 
+	// Parse the Json response:
+	if (Response.empty())
+	{
+		return false;
+	}
 	Json::Value root;
 	Json::Reader reader;
-	if (!reader.parse(RESPONSE, root, false))
+	if (!reader.parse(Response, root, false))
 	{
 		LOGWARNING("cAuthenticator: Cannot parse Received Data to json!");
 		return false;
 	}
-
 	a_UserName = root.get("name", "Unknown").asString();
 	a_UUID = root.get("id", "").asString();
+	
+	// If the UUID doesn't contain the hashes, insert them at the proper places:
+	if (a_UUID.size() == 32)
+	{
+		a_UUID.insert(8, "-");
+		a_UUID.insert(13, "-");
+		a_UUID.insert(18, "-");
+		a_UUID.insert(23, "-");
+	}
 	return true;
 }
 

src/Protocol/Protocol.h

@@ -83,6 +83,7 @@ public:
 	virtual void SendInventorySlot       (char a_WindowID, short a_SlotNum, const cItem & a_Item) = 0;
 	virtual void SendKeepAlive           (int a_PingID) = 0;
 	virtual void SendLogin               (const cPlayer & a_Player, const cWorld & a_World) = 0;
+	virtual void SendLoginSuccess        (void) = 0;
 	virtual void SendMapColumn           (int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length) = 0;
 	virtual void SendMapDecorators       (int a_ID, const cMapDecoratorList & a_Decorators) = 0;
 	virtual void SendMapInfo             (int a_ID, unsigned int a_Scale) = 0;

src/Protocol/Protocol125.cpp

@@ -594,6 +594,15 @@ void cProtocol125::SendLogin(const cPlayer & a_Player, const cWorld & a_World)
 
 
 
+void cProtocol125::SendLoginSuccess(void)
+{
+	// Not supported in this protocol version
+}
+
+
+
+
+
 void cProtocol125::SendMapColumn(int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length)
 {
 	cCSLock Lock(m_CSPacket);
@@ -642,6 +651,17 @@ void cProtocol125::SendMapDecorators(int a_ID, const cMapDecoratorList & a_Decor
 
 
 
+void cProtocol125::SendMapInfo(int a_ID, unsigned int a_Scale)
+{
+	// This protocol doesn't support such message
+	UNUSED(a_ID);
+	UNUSED(a_Scale);
+}
+
+
+
+
+
 void cProtocol125::SendPickupSpawn(const cPickup & a_Pickup)
 {
 	cCSLock Lock(m_CSPacket);
@@ -683,6 +703,16 @@ void cProtocol125::SendParticleEffect(const AString & a_ParticleName, float a_Sr
 
 
 
+void cProtocol125::SendPaintingSpawn(const cPainting & a_Painting)
+{
+	// Not implemented in this protocol version
+	UNUSED(a_Painting);
+}
+
+
+
+
+
 void cProtocol125::SendPlayerListItem(const cPlayer & a_Player, bool a_IsOnline)
 {
 	cCSLock Lock(m_CSPacket);
@@ -842,6 +872,18 @@ void cProtocol125::SendExperienceOrb(const cExpOrb & a_ExpOrb)
 
 
 
+void cProtocol125::SendScoreboardObjective(const AString & a_Name, const AString & a_DisplayName, Byte a_Mode)
+{
+	// This protocol version doesn't support such message
+	UNUSED(a_Name);
+	UNUSED(a_DisplayName);
+	UNUSED(a_Mode);
+}
+
+
+
+
+
 void cProtocol125::SendSoundEffect(const AString & a_SoundName, int a_SrcX, int a_SrcY, int a_SrcZ, float a_Volume, float a_Pitch)
 {
 	// Not needed in this protocol version

src/Protocol/Protocol125.h

@@ -56,19 +56,12 @@ public:
 	virtual void SendInventorySlot       (char a_WindowID, short a_SlotNum, const cItem & a_Item) override;
 	virtual void SendKeepAlive           (int a_PingID) override;
 	virtual void SendLogin               (const cPlayer & a_Player, const cWorld & a_World) override;
+	virtual void SendLoginSuccess        (void) override;
 	virtual void SendMapColumn           (int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length) override;
 	virtual void SendMapDecorators       (int a_ID, const cMapDecoratorList & a_Decorators) override;
-	virtual void SendMapInfo             (int a_ID, unsigned int a_Scale) override 
+	virtual void SendMapInfo             (int a_ID, unsigned int a_Scale) override;
-	{
-		// This protocol doesn't support such message
-		UNUSED(a_ID);
-		UNUSED(a_Scale);
-	} 
 	virtual void SendParticleEffect      (const AString & a_ParticleName, float a_SrcX, float a_SrcY, float a_SrcZ, float a_OffsetX, float a_OffsetY, float a_OffsetZ, float a_ParticleData, int a_ParticleAmmount) override;
-	virtual void SendPaintingSpawn       (const cPainting & a_Painting) override 
+	virtual void SendPaintingSpawn       (const cPainting & a_Painting) override;
-	{
-		UNUSED(a_Painting);
-	};
 	virtual void SendPickupSpawn         (const cPickup & a_Pickup) override;
 	virtual void SendPlayerAbilities     (void) override {}  // This protocol doesn't support such message
 	virtual void SendEntityAnimation     (const cEntity & a_Entity, char a_Animation) override;
@@ -82,12 +75,7 @@ public:
 	virtual void SendRespawn             (void) override;
 	virtual void SendExperience          (void) override;
 	virtual void SendExperienceOrb       (const cExpOrb &  a_ExpOrb) override;
-	virtual void SendScoreboardObjective (const AString & a_Name, const AString & a_DisplayName, Byte a_Mode)                            override 
+	virtual void SendScoreboardObjective (const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) override;
-	{
-		UNUSED(a_Name);
-		UNUSED(a_DisplayName);
-		UNUSED(a_Mode);
-	} // This protocol doesn't support such message
 	virtual void SendScoreUpdate         (const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode) override {} // This protocol doesn't support such message
 	virtual void SendDisplayObjective    (const AString & a_Objective, cScoreboard::eDisplaySlot a_Display)                              override {} // This protocol doesn't support such message
 	virtual void SendSoundEffect         (const AString & a_SoundName, int a_SrcX, int a_SrcY, int a_SrcZ, float a_Volume, float a_Pitch) override;  // a_Src coords are Block * 8

src/Protocol/Protocol17x.cpp

@@ -574,6 +574,21 @@ void cProtocol172::SendLogin(const cPlayer & a_Player, const cWorld & a_World)
 
 
 
+void cProtocol172::SendLoginSuccess(void)
+{
+	ASSERT(m_State == 2);  // State: login?
+	
+	cPacketizer Pkt(*this, 0x02);  // Login success packet
+	Pkt.WriteString(m_Client->GetUUID());
+	Pkt.WriteString(m_Client->GetUsername());
+
+	m_State = 3;  // State = Game
+}
+
+
+
+
+
 void cProtocol172::SendPaintingSpawn(const cPainting & a_Painting)
 {
 	cPacketizer Pkt(*this, 0x10);  // Spawn Painting packet
@@ -1556,18 +1571,7 @@ void cProtocol172::HandlePacketLoginEncryptionResponse(cByteBuffer & a_ByteBuffe
 	}
 	
 	StartEncryption(DecryptedKey);
-
-	/*
-	// Send login success:
-	{
-		cPacketizer Pkt(*this, 0x02);  // Login success packet
-		Pkt.WriteString(m_Client->GetUUID());
-		Pkt.WriteString(m_Client->GetUsername());
-	}
-
-	m_State = 3;  // State = Game
 	m_Client->HandleLogin(4, m_Client->GetUsername());
-	*/
 }
 
 
@@ -1599,17 +1603,6 @@ void cProtocol172::HandlePacketLoginStart(cByteBuffer & a_ByteBuffer)
 		return;
 	}
 	
-	// Generate an offline UUID for the player:
-	m_Client->GenerateOfflineUUID();
-	
-	// Send login success:
-	{
-		cPacketizer Pkt(*this, 0x02);  // Login success packet
-		Pkt.WriteString(m_Client->GetUUID());
-		Pkt.WriteString(Username);
-	}
-
-	m_State = 3;  // State = Game
 	m_Client->HandleLogin(4, Username);
 }
 
@@ -2797,3 +2790,28 @@ void cProtocol176::SendPlayerSpawn(const cPlayer & a_Player)
 
 
 
+
+void cProtocol176::HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer)
+{
+	// Send the response:
+	AString Response = "{\"version\":{\"name\":\"1.7.6\",\"protocol\":5},\"players\":{";
+	AppendPrintf(Response, "\"max\":%u,\"online\":%u,\"sample\":[]},",
+		cRoot::Get()->GetServer()->GetMaxPlayers(),
+		cRoot::Get()->GetServer()->GetNumPlayers()
+	);
+	AppendPrintf(Response, "\"description\":{\"text\":\"%s\"},",
+		cRoot::Get()->GetServer()->GetDescription().c_str()
+	);
+	AppendPrintf(Response, "\"favicon\":\"data:image/png;base64,%s\"",
+		cRoot::Get()->GetServer()->GetFaviconData().c_str()
+	);
+	Response.append("}");
+	
+	cPacketizer Pkt(*this, 0x00);  // Response packet
+	Pkt.WriteString(Response);
+}
+
+
+
+
+

src/Protocol/Protocol17x.h

@@ -87,6 +87,7 @@ public:
 	virtual void SendInventorySlot       (char a_WindowID, short a_SlotNum, const cItem & a_Item) override;
 	virtual void SendKeepAlive           (int a_PingID) override;
 	virtual void SendLogin               (const cPlayer & a_Player, const cWorld & a_World) override;
+	virtual void SendLoginSuccess        (void) override;
 	virtual void SendMapColumn           (int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length) override;
 	virtual void SendMapDecorators       (int a_ID, const cMapDecoratorList & a_Decorators) override;
 	virtual void SendMapInfo             (int a_ID, unsigned int a_Scale) override;
@@ -252,7 +253,7 @@ protected:
 	
 	// Packet handlers while in the Status state (m_State == 1):
 	void HandlePacketStatusPing   (cByteBuffer & a_ByteBuffer);
-	void HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer);
+	virtual void HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer);
 	
 	// Packet handlers while in the Login state (m_State == 2):
 	void HandlePacketLoginEncryptionResponse(cByteBuffer & a_ByteBuffer);
@@ -318,6 +319,8 @@ public:
 	
 	// cProtocol172 overrides:
 	virtual void SendPlayerSpawn(const cPlayer & a_Player) override;
+	virtual void HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer) override;
+
 } ;
 
 

src/Protocol/ProtocolRecognizer.cpp

@@ -397,6 +397,16 @@ void cProtocolRecognizer::SendLogin(const cPlayer & a_Player, const cWorld & a_W
 
 
 
+void cProtocolRecognizer::SendLoginSuccess(void)
+{
+	ASSERT(m_Protocol != NULL);
+	m_Protocol->SendLoginSuccess();
+}
+
+
+
+
+
 void cProtocolRecognizer::SendMapColumn(int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length)
 {
 	ASSERT(m_Protocol != NULL);

src/Protocol/ProtocolRecognizer.h

@@ -91,6 +91,7 @@ public:
 	virtual void SendInventorySlot       (char a_WindowID, short a_SlotNum, const cItem & a_Item) override;
 	virtual void SendKeepAlive           (int a_PingID) override;
 	virtual void SendLogin               (const cPlayer & a_Player, const cWorld & a_World) override;
+	virtual void SendLoginSuccess        (void) override;
 	virtual void SendMapColumn           (int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length) override;
 	virtual void SendMapDecorators       (int a_ID, const cMapDecoratorList & a_Decorators) override;
 	virtual void SendMapInfo             (int a_ID, unsigned int a_Scale) override;