ChunkSender: Chunks are now compressed and sent to clients from a separate threads, proper passive waiting between threads. Not much tested, just appears to work :)

git-svn-id: http://mc-server.googlecode.com/svn/trunk@365 0a769ca7-a7f5-676a-18bf-c427514a06d6

source/cBlockEntity.h

@@ -1,6 +1,13 @@
 
 #pragma once
 
+#include "cClientHandle.h"
+#include "cWorld.h"
+
+
+
+
+
 #ifndef _WIN32
 #include "BlockID.h"
 #else
@@ -16,9 +23,9 @@ namespace Json
 	class Value;
 };
 
-class cClientHandle;
 class cPlayer;
 class cWorld;
+class cPacket;
 
 
 
@@ -49,7 +56,26 @@ public:
 	virtual void SaveToJson  (Json::Value & a_Value ) = 0;
 	
 	virtual void UsedBy( cPlayer * a_Player ) = 0;
-	virtual void SendTo( cClientHandle* a_Client ) { (void)a_Client; }
+	
+	void SendTo( cClientHandle* a_Client )
+	{
+		std::auto_ptr<cPacket> Packet(GetPacket());
+		if (Packet.get() == NULL)
+		{
+			return;
+		}
+		if ( a_Client != NULL )
+		{
+			a_Client->Send(Packet.get());
+		}
+		else // broadcast to all chunk clients
+		{
+			m_World->BroadcastToChunkOfBlock(m_PosX, m_PosY, m_PosZ, Packet.get());
+		}
+	}
+	
+	/// Returns the packet to send to clients to represent this entity; NULL if no packet needed; caller is supposed to delete the packet
+	virtual cPacket * GetPacket(void) {return NULL; }
 
 protected:
 	int m_PosX; // Position in block coordinates