Implement favicon for 1.7.2

Favicon data is a png encoded in base64 which is stored in the server
and sent in the server response packet

src/Protocol/Protocol17x.cpp

@@ -383,6 +383,16 @@ void cProtocol172::SendExplosion(double a_BlockX, double a_BlockY, double a_Bloc
 
 
 
+void cProtocol172::SendFavicon(void)
+{
+	cPacketizer Pkt(*this, 0x0); // Favicon packet
+	Pkt.WriteString(cRoot::Get()->GetServer()->GetFaviconData());
+}
+
+
+
+
+
 void cProtocol172::SendGameMode(eGameMode a_GameMode)
 {
 	cPacketizer Pkt(*this, 0x2b);  // Change Game State packet
@@ -1116,6 +1126,9 @@ void cProtocol172::HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer)
 	AppendPrintf(Response, "\"description\":{\"text\":\"%s\"}",
 		cRoot::Get()->GetServer()->GetDescription().c_str()
 	);
+	AppendPrintf(Response, "\"favicon\":\"data:image/png;base64,%s\"",
+		cRoot::Get()->GetServer()->GetFaviconData()
+	);
 	Response.append("}");
 	
 	cPacketizer Pkt(*this, 0x00);  // Response packet

src/Protocol/Protocol17x.h

@@ -72,6 +72,7 @@ public:
 	virtual void SendEntityStatus        (const cEntity & a_Entity, char a_Status) override;
 	virtual void SendEntityVelocity      (const cEntity & a_Entity) override;
 	virtual void SendExplosion           (double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion) override;
+	virtual void SendFavicon			 (void);
 	virtual void SendGameMode            (eGameMode a_GameMode) override;
 	virtual void SendHealth              (void) override;
 	virtual void SendInventorySlot       (char a_WindowID, short a_SlotNum, const cItem & a_Item) override;

src/Server.cpp

@@ -203,6 +203,8 @@ bool cServer::InitServer(cIniFile & a_SettingsIni)
 	m_PlayerCount = 0;
 	m_PlayerCountDiff = 0;
 
+	if (cFile::Exists("favicon.png")) m_Favicon = Base64Encode(cFile::ReadWholeFile("favicon.png"));
+
 	if (m_bIsConnected)
 	{
 		LOGERROR("ERROR: Trying to initialize server while server is already running!");
@@ -289,6 +291,15 @@ int cServer::GetNumPlayers(void)
 
 
 
+AString cServer::GetFaviconData(void)
+{
+	return m_Favicon;
+}
+
+
+
+
+
 void cServer::PrepareKeys(void)
 {
 	// TODO: Save and load key for persistence across sessions

src/Server.h

@@ -106,6 +106,8 @@ public:												// tolua_export
 	
 	/// Notifies the server that a player is being destroyed; the server uses this to adjust the number of players
 	void PlayerDestroying(const cPlayer * a_Player);
+
+	AString GetFaviconData(void);
 	
 	CryptoPP::RSA::PrivateKey & GetPrivateKey(void) { return m_PrivateKey; }
 	CryptoPP::RSA::PublicKey  & GetPublicKey (void) { return m_PublicKey; }
@@ -183,6 +185,7 @@ private:
 	cRCONServer m_RCONServer;
 	
 	AString m_Description;
+	AString m_Favicon;
 	int m_MaxPlayers;
 	bool m_bIsHardcore;