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Samples/Lobby2Server_PGSQL/Lobby2Message_PGSQL_CustomizationExample.h

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+/*
+ *  Copyright (c) 2014, Oculus VR, Inc.
+ *  All rights reserved.
+ *
+ *  This source code is licensed under the BSD-style license found in the
+ *  RakNet License.txt file in the licenses directory of this source tree. An additional grant 
+ *  of patent rights can be found in the RakNet Patents.txt file in the same directory.
+ *
+ */
+
+// You can extend Lobby2 with your own messages, either overriding existing messages
+// or adding new ones
+// In both cases, you'll need to create a custom class factory to handle this.
+
+#include "Lobby2Message_PGSQL.h"
+
+// --------------------------------------------------------------
+// Override an existing message (Platform_Startup) to do user-custom behaviors
+// Requires:
+// 1. New class factory to create this message, instead of the old one
+// --------------------------------------------------------------
+namespace RakNet
+{
+
+class Platform_Startup_Overridden : public Platform_Startup_PGSQL
+{
+	virtual bool ServerDBImpl( Lobby2ServerCommand *command, void *databaseInterface )
+	{
+		printf("Platform_Startup_Overridden");
+		return false;
+	}
+};
+
+// --------------------------------------------------------------
+// Create an entirely new message
+// Requires:
+// 1. New class factory to create this message, in addition to the old ones
+// 2. New custom callback handler to process this message's result
+// 3. New enumeration list, which appends your messages to the old list
+// --------------------------------------------------------------
+
+// New enumeration list
+enum Lobby2MessageID_Custom
+{
+	L2MID_MyCustomMessage=L2MID_COUNT,
+};
+
+// Forward declaration(s) of my new message types
+struct MyCustomMessage;
+
+// New custom callback handler
+struct Lobby2CustomizedHandler : public Lobby2Callbacks
+{
+	virtual void MessageResult(MyCustomMessage *message);
+	virtual void ExecuteDefaultResult(Lobby2Message *message) {message->DebugPrintf();}
+};
+
+
+// Macro to make things easier, customized for our new callback handler
+#define __L2_MSG_MY_CUSTOM_IMPL(__NAME__) \
+	virtual void CallCallback(Lobby2Callbacks *cb) {((Lobby2CustomizedHandler*)cb)->MessageResult(this);}; \
+	virtual Lobby2MessageID GetID(void) const {return (Lobby2MessageID) L2MID_##__NAME__;} \
+	virtual const char* GetName(void) const {return #__NAME__;} \
+	virtual void DebugMsg(RakNet::RakString &out) const {out.Set(#__NAME__ " result=%s\n", Lobby2ResultCodeDescription::ToEnglish(resultCode));};
+
+
+// The new message
+struct MyCustomMessage : public Lobby2Message
+{
+	__L2_MSG_MY_CUSTOM_IMPL(MyCustomMessage)
+		
+	virtual bool RequiresAdmin(void) const {return false;}
+	virtual bool RequiresRankingPermission(void) const {return false;}
+	virtual bool CancelOnDisconnect(void) const {return true;}
+	virtual bool RequiresLogin(void) const {return false;}
+	virtual void Serialize( bool writeToBitstream, bool serializeOutput, RakNet::BitStream *bitStream );
+	virtual bool PrevalidateInput(void) {return true;}
+	virtual bool ServerDBImpl( Lobby2ServerCommand *command, void *databaseInterface )
+	{
+		printf("MyCustomMessage");
+		return false;
+	}
+};
+
+// The new class factory
+struct Lobby2MessageFactory_Customized : public Lobby2MessageFactory_PGSQL
+{
+	virtual Lobby2Message *Alloc(Lobby2MessageID id)
+	{
+		switch (id)
+		{
+		case L2MID_Platform_Startup:
+			return RakNet::OP_NEW<Platform_Startup_Overridden>(__FILE__, __LINE__); 
+		case L2MID_MyCustomMessage:
+			return RakNet::OP_NEW<MyCustomMessage>(__FILE__, __LINE__); 
+		}
+		return Lobby2MessageFactory_PGSQL::Alloc(id);
+	}
+};
+
+} // end namespace