Merge branch 'master' of https://github.com/TrinityCore/TrinityCore into 4.3.4

Conflicts:
	README.md
	src/server/game/Entities/Object/Object.cpp
	src/server/game/Entities/Object/Updates/UpdateData.h
	src/server/game/Server/WorldPacket.h
	src/server/game/Server/WorldSession.cpp
	src/server/game/Server/WorldSession.h
	src/server/game/Server/WorldSocket.cpp
	src/server/game/Server/WorldSocket.h
	src/server/shared/Packets/ByteBuffer.h

1 files changed, 18 insertions, 6 deletions

diff --git a/src/server/game/Scripting/ScriptMgr.cpp b/src/server/game/Scripting/ScriptMgr.cpp
index e437875d57a..6d0be13c35e 100644
--- a/src/server/game/Scripting/ScriptMgr.cpp
+++ b/src/server/game/Scripting/ScriptMgr.cpp
@@ -414,25 +414,37 @@ void ScriptMgr::OnSocketClose(std::shared_ptr<WorldSocket> socket, bool wasNew)
     FOREACH_SCRIPT(ServerScript)->OnSocketClose(socket, wasNew);
 }
 
-void ScriptMgr::OnPacketReceive(std::shared_ptr<WorldSocket> socket, WorldPacket packet)
+void ScriptMgr::OnPacketReceive(std::shared_ptr<WorldSocket> socket, WorldPacket const& packet)
 {
     ASSERT(socket);
 
-    FOREACH_SCRIPT(ServerScript)->OnPacketReceive(socket, packet);
+    if (SCR_REG_LST(ServerScript).empty())
+        return;
+
+    WorldPacket copy(packet);
+    FOREACH_SCRIPT(ServerScript)->OnPacketReceive(socket, copy);
 }
 
-void ScriptMgr::OnPacketSend(std::shared_ptr<WorldSocket> socket, WorldPacket packet)
+void ScriptMgr::OnPacketSend(std::shared_ptr<WorldSocket> socket, WorldPacket const& packet)
 {
     ASSERT(socket);
 
-    FOREACH_SCRIPT(ServerScript)->OnPacketSend(socket, packet);
+    if (SCR_REG_LST(ServerScript).empty())
+        return;
+
+    WorldPacket copy(packet);
+    FOREACH_SCRIPT(ServerScript)->OnPacketSend(socket, copy);
 }
 
-void ScriptMgr::OnUnknownPacketReceive(std::shared_ptr<WorldSocket> socket, WorldPacket packet)
+void ScriptMgr::OnUnknownPacketReceive(std::shared_ptr<WorldSocket> socket, WorldPacket const& packet)
 {
     ASSERT(socket);
 
-    FOREACH_SCRIPT(ServerScript)->OnUnknownPacketReceive(socket, packet);
+    if (SCR_REG_LST(ServerScript).empty())
+        return;
+
+    WorldPacket copy(packet);
+    FOREACH_SCRIPT(ServerScript)->OnUnknownPacketReceive(socket, copy);
 }
 
 void ScriptMgr::OnOpenStateChange(bool open)