[10850] Move common check part for recently added filter classes to helper function.

This is more safe have expected tio be same check in one function.

Also apply some code style fixes.

src/game/WorldSession.cpp

@@ -39,18 +39,15 @@
 #include "Auth/HMACSHA1.h"
 #include "zlib/zlib.h"
 
-bool MapSessionFilter::Process(WorldPacket * packet)
+// select opcodes appropriate for processing in Map::Update context for current session state
+static bool MapSessionFilterHelper(WorldSession* session, OpcodeHandler const& opHandle)
 {
-    OpcodeHandler const& opHandle = opcodeTable[packet->GetOpcode()];
-    //let's check if our opcode can be really processed in Map::Update()
-    if(opHandle.packetProcessing == PROCESS_INPLACE)
-        return true;
-
     // we do not process thread-unsafe packets
     if (opHandle.packetProcessing == PROCESS_THREADUNSAFE)
         return false;
 
-    Player * plr = m_pSession->GetPlayer();
+    // we do not process not loggined player packets
+    Player * plr = session->GetPlayer();
     if (!plr)
         return false;
 
@@ -58,6 +55,17 @@ bool MapSessionFilter::Process(WorldPacket * packet)
     return plr->IsInWorld();
 }
 
+
+bool MapSessionFilter::Process(WorldPacket * packet)
+{
+    OpcodeHandler const& opHandle = opcodeTable[packet->GetOpcode()];
+    if (opHandle.packetProcessing == PROCESS_INPLACE)
+        return true;
+
+    // let's check if our opcode can be really processed in Map::Update()
+    return MapSessionFilterHelper(m_pSession, opHandle);
+}
+
 // we should process ALL packets when player is not in world/logged in
 // OR packet handler is not thread-safe!
 bool WorldSessionFilter::Process(WorldPacket* packet)
@@ -67,17 +75,8 @@ bool WorldSessionFilter::Process(WorldPacket* packet)
     if (opHandle.packetProcessing == PROCESS_INPLACE)
         return true;
 
-    //thread-unsafe packets should be processed in World::UpdateSessions()
-    if(opHandle.packetProcessing == PROCESS_THREADUNSAFE)
-        return true;
-
-    //no player attached? -> our client! ^^
-    Player * plr = m_pSession->GetPlayer();
-    if(!plr)
-        return true;
-
-    //lets process all packets for non-in-the-world player
-    return (plr->IsInWorld() == false);
+    // let's check if our opcode can't be processed in Map::Update()
+    return !MapSessionFilterHelper(m_pSession, opHandle);
 }
 
 /// WorldSession constructor

src/shared/revision_nr.h

@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "10849"
+ #define REVISION_NR "10850"
 #endif // __REVISION_NR_H__