From a78aa3cf4ef3f33903ec9f06d8fdc46e81c51cb3 Mon Sep 17 00:00:00 2001
From: Shauren <shauren.trinity@gmail.com>
Date: Sun, 10 Jul 2016 00:11:19 +0200
Subject: Core/PacketIO: Refactored building SMSG_UPDATE_OBJECT to append
 directly to final buffer and removed UpdateMask class

---
 src/server/game/Entities/GameObject/GameObject.cpp | 32 +++++++++++-----------
 1 file changed, 16 insertions(+), 16 deletions(-)

(limited to 'src/server/game/Entities/GameObject')

diff --git a/src/server/game/Entities/GameObject/GameObject.cpp b/src/server/game/Entities/GameObject/GameObject.cpp
index ee7241a02d7..fd538c31809 100644
--- a/src/server/game/Entities/GameObject/GameObject.cpp
+++ b/src/server/game/Entities/GameObject/GameObject.cpp
@@ -34,6 +34,7 @@
 #include "UpdateFieldFlags.h"
 #include "World.h"
 #include "Transport.h"
+#include <boost/dynamic_bitset.hpp>
 
 GameObject::GameObject() : WorldObject(false), MapObject(),
     m_model(NULL), m_goValue(), m_AI(NULL), _animKitId(0)
@@ -2299,23 +2300,24 @@ void GameObject::BuildValuesUpdate(uint8 updateType, ByteBuffer* data, Player* t
     bool forcedFlags = GetGoType() == GAMEOBJECT_TYPE_CHEST && GetGOInfo()->chest.usegrouplootrules && HasLootRecipient();
     bool targetIsGM = target->IsGameMaster();
 
-    ByteBuffer fieldBuffer;
-
-    UpdateMask updateMask;
-    updateMask.SetCount(m_valuesCount);
+    boost::dynamic_bitset<uint32> updateMask(m_valuesCount);
 
     uint32* flags = GameObjectUpdateFieldFlags;
     uint32 visibleFlag = UF_FLAG_PUBLIC;
     if (GetOwnerGUID() == target->GetGUID())
         visibleFlag |= UF_FLAG_OWNER;
 
+    *data << uint8(updateMask.num_blocks());
+    std::size_t maskPos = data->wpos();
+    data->resize(data->size() + updateMask.num_blocks() * sizeof(uint32));
+
     for (uint16 index = 0; index < m_valuesCount; ++index)
     {
         if (_fieldNotifyFlags & flags[index] ||
-            ((updateType == UPDATETYPE_VALUES ? _changesMask.GetBit(index) : m_uint32Values[index]) && (flags[index] & visibleFlag)) ||
+            ((updateType == UPDATETYPE_VALUES ? _changesMask[index] : m_uint32Values[index]) && (flags[index] & visibleFlag)) ||
             (index == GAMEOBJECT_FLAGS && forcedFlags))
         {
-            updateMask.SetBit(index);
+            updateMask.set(index);
 
             if (index == OBJECT_DYNAMIC_FLAGS)
             {
@@ -2352,8 +2354,8 @@ void GameObject::BuildValuesUpdate(uint8 updateType, ByteBuffer* data, Player* t
                         break;
                 }
 
-                fieldBuffer << uint16(dynFlags);
-                fieldBuffer << int16(pathProgress);
+                *data << uint16(dynFlags);
+                *data << int16(pathProgress);
             }
             else if (index == GAMEOBJECT_FLAGS)
             {
@@ -2362,14 +2364,14 @@ void GameObject::BuildValuesUpdate(uint8 updateType, ByteBuffer* data, Player* t
                     if (GetGOInfo()->chest.usegrouplootrules && !IsLootAllowedFor(target))
                         goFlags |= GO_FLAG_LOCKED | GO_FLAG_NOT_SELECTABLE;
 
-                fieldBuffer << goFlags;
+                *data << goFlags;
             }
             else if (index == GAMEOBJECT_LEVEL)
             {
                 if (isStoppableTransport)
-                    fieldBuffer << uint32(m_goValue.Transport.PathProgress);
+                    *data << uint32(m_goValue.Transport.PathProgress);
                 else
-                    fieldBuffer << m_uint32Values[index];
+                    *data << m_uint32Values[index];
             }
             else if (index == GAMEOBJECT_BYTES_1)
             {
@@ -2383,16 +2385,14 @@ void GameObject::BuildValuesUpdate(uint8 updateType, ByteBuffer* data, Player* t
                     }
                 }
 
-                fieldBuffer << bytes1;
+                *data << bytes1;
             }
             else
-                fieldBuffer << m_uint32Values[index];                // other cases
+                *data << m_uint32Values[index];                // other cases
         }
     }
 
-    *data << uint8(updateMask.GetBlockCount());
-    updateMask.AppendToPacket(data);
-    data->append(fieldBuffer);
+    boost::to_block_range(updateMask, reinterpret_cast<uint32*>(data->contents() + maskPos));
 }
 
 void GameObject::GetRespawnPosition(float &x, float &y, float &z, float* ori /* = NULL*/) const
-- 
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