Add support for character race and faction transfers.

Based (loosely) on patch by Ner'zhul, DarkXuan, and darkshines@sakha.net.
Fixes issue #3429.

--HG--
branch : trunk

14 files changed, 627 insertions, 13 deletions

diff --git a/src/server/game/Chat/Chat.cpp b/src/server/game/Chat/Chat.cpp
index 581145a1e5f..c41b34d817d 100644
--- a/src/server/game/Chat/Chat.cpp
+++ b/src/server/game/Chat/Chat.cpp
@@ -131,14 +131,16 @@ ChatCommand * ChatHandler::getCommandTable()
 
     static ChatCommand characterCommandTable[] =
     {
-        { "customize",      SEC_GAMEMASTER,     true,  &ChatHandler::HandleCharacterCustomizeCommand,  "", NULL },
-        { "deleted",        SEC_GAMEMASTER,     true,  NULL,                                           "", characterDeletedCommandTable},
-        { "erase",          SEC_CONSOLE,        true,  &ChatHandler::HandleCharacterEraseCommand,      "", NULL },
-        { "level",          SEC_ADMINISTRATOR,  true,  &ChatHandler::HandleCharacterLevelCommand,      "", NULL },
-        { "rename",         SEC_GAMEMASTER,     true,  &ChatHandler::HandleCharacterRenameCommand,     "", NULL },
-        { "reputation",     SEC_GAMEMASTER,     true,  &ChatHandler::HandleCharacterReputationCommand, "", NULL },
-        { "titles",         SEC_GAMEMASTER,     true,  &ChatHandler::HandleCharacterTitlesCommand,     "", NULL },
-        { NULL,             0,                  false, NULL,                                           "", NULL }
+        { "customize",      SEC_GAMEMASTER,     true,  &ChatHandler::HandleCharacterCustomizeCommand,     "", NULL },
+        { "changefaction",  SEC_GAMEMASTER,     true,  &ChatHandler::HandleCharacterChangeFactionCommand, "", NULL }, 
+        { "changerace",     SEC_GAMEMASTER,     true,  &ChatHandler::HandleCharacterChangeRaceCommand,    "", NULL },
+        { "deleted",        SEC_GAMEMASTER,     true,  NULL,                                              "", characterDeletedCommandTable},
+        { "erase",          SEC_CONSOLE,        true,  &ChatHandler::HandleCharacterEraseCommand,         "", NULL },
+        { "level",          SEC_ADMINISTRATOR,  true,  &ChatHandler::HandleCharacterLevelCommand,         "", NULL },
+        { "rename",         SEC_GAMEMASTER,     true,  &ChatHandler::HandleCharacterRenameCommand,        "", NULL },
+        { "reputation",     SEC_GAMEMASTER,     true,  &ChatHandler::HandleCharacterReputationCommand,    "", NULL },
+        { "titles",         SEC_GAMEMASTER,     true,  &ChatHandler::HandleCharacterTitlesCommand,        "", NULL },
+        { NULL,             0,                  false, NULL,                                              "", NULL }
     };
 
     static ChatCommand channelSetCommandTable[] =
diff --git a/src/server/game/Chat/Chat.h b/src/server/game/Chat/Chat.h
index b966a76c622..052d3b66c35 100644
--- a/src/server/game/Chat/Chat.h
+++ b/src/server/game/Chat/Chat.h
@@ -138,6 +138,8 @@ class ChatHandler
         bool HandleCastTargetCommand(const char *args);
 
         bool HandleCharacterCustomizeCommand(const char * args);
+        bool HandleCharacterChangeFactionCommand(const char * args);
+        bool HandleCharacterChangeRaceCommand(const char * args);
         bool HandleCharacterDeletedDeleteCommand(const char* args);
         bool HandleCharacterDeletedListCommand(const char* args);
         bool HandleCharacterDeletedRestoreCommand(const char* args);
diff --git a/src/server/game/Chat/Commands/Level2.cpp b/src/server/game/Chat/Commands/Level2.cpp
index 763726e79ae..838d3e861d9 100644
--- a/src/server/game/Chat/Commands/Level2.cpp
+++ b/src/server/game/Chat/Commands/Level2.cpp
@@ -3254,6 +3254,61 @@ bool ChatHandler::HandleCharacterCustomizeCommand(const char* args)
     return true;
 }
 
+bool ChatHandler::HandleCharacterChangeFactionCommand(const char * args)
+{
+    Player* target;
+    uint64 target_guid;
+    std::string target_name;
+
+    if(!extractPlayerTarget((char*)args,&target,&target_guid,&target_name))
+        return false;
+
+    if(target)
+    {
+        // TODO : add text into database
+        PSendSysMessage(LANG_CUSTOMIZE_PLAYER, GetNameLink(target).c_str());
+        target->SetAtLoginFlag(AT_LOGIN_CHANGE_FACTION);
+        CharacterDatabase.PExecute("UPDATE characters SET at_login = at_login | '64' WHERE guid = %u", target->GetGUIDLow());
+    }
+    else
+    {
+        std::string oldNameLink = playerLink(target_name);
+
+        // TODO : add text into database
+        PSendSysMessage(LANG_CUSTOMIZE_PLAYER_GUID, oldNameLink.c_str(), GUID_LOPART(target_guid));
+        CharacterDatabase.PExecute("UPDATE characters SET at_login = at_login | '64' WHERE guid = %u", GUID_LOPART(target_guid));
+    }
+
+    return true;
+}
+
+bool ChatHandler::HandleCharacterChangeRaceCommand(const char * args)
+{
+    Player* target;
+    uint64 target_guid;
+    std::string target_name;
+    if(!extractPlayerTarget((char*)args,&target,&target_guid,&target_name))
+        return false;
+
+    if(target)
+    {
+        // TODO : add text into database
+        PSendSysMessage(LANG_CUSTOMIZE_PLAYER, GetNameLink(target).c_str());
+        target->SetAtLoginFlag(AT_LOGIN_CHANGE_RACE);
+        CharacterDatabase.PExecute("UPDATE characters SET at_login = at_login | '128' WHERE guid = %u", target->GetGUIDLow());
+    }
+    else
+    {
+        std::string oldNameLink = playerLink(target_name);
+
+        // TODO : add text into database
+        PSendSysMessage(LANG_CUSTOMIZE_PLAYER_GUID, oldNameLink.c_str(), GUID_LOPART(target_guid));
+        CharacterDatabase.PExecute("UPDATE characters SET at_login = at_login | '128' WHERE guid = %u", GUID_LOPART(target_guid));
+    }
+
+    return true;
+}
+
 bool ChatHandler::HandleCharacterReputationCommand(const char* args)
 {
     Player* target;
diff --git a/src/server/game/DataStores/DBCStores.cpp b/src/server/game/DataStores/DBCStores.cpp
index c390f2203e2..8f772431d4c 100644
--- a/src/server/game/DataStores/DBCStores.cpp
+++ b/src/server/game/DataStores/DBCStores.cpp
@@ -170,6 +170,9 @@ static uint32 sTalentTabPages[MAX_CLASSES][3];
 DBCStorage <TaxiNodesEntry> sTaxiNodesStore(TaxiNodesEntryfmt);
 TaxiMask sTaxiNodesMask;
 TaxiMask sOldContinentsNodesMask;
+TaxiMask sHordeTaxiNodesMask;
+TaxiMask sAllianceTaxiNodesMask;
+TaxiMask sDeathKnightTaxiNodesMask;
 
 // DBC used only for initialization sTaxiPathSetBySource at startup.
 TaxiPathSetBySource sTaxiPathSetBySource;
@@ -515,11 +518,14 @@ void LoadDBCStores(const std::string& dataPath)
         for (uint32 i = 1; i < sSpellStore.GetNumRows (); ++i)
             if (SpellEntry const* sInfo = sSpellStore.LookupEntry (i))
                 for (int j=0; j < 3; ++j)
-                    if (sInfo->Effect[j] == 123 /*SPELL_EFFECT_SEND_TAXI*/)
+                    if (sInfo->Effect[j] == SPELL_EFFECT_SEND_TAXI)
                         spellPaths.insert(sInfo->EffectMiscValue[j]);
 
         memset(sTaxiNodesMask,0,sizeof(sTaxiNodesMask));
-        memset(sOldContinentsNodesMask,0,sizeof(sTaxiNodesMask));
+        memset(sOldContinentsNodesMask,0,sizeof(sOldContinentsNodesMask));
+        memset(sHordeTaxiNodesMask,0,sizeof(sHordeTaxiNodesMask));
+        memset(sAllianceTaxiNodesMask,0,sizeof(sAllianceTaxiNodesMask));
+        memset(sDeathKnightTaxiNodesMask,0,sizeof(sDeathKnightTaxiNodesMask));
         for (uint32 i = 1; i < sTaxiNodesStore.GetNumRows(); ++i)
         {
             TaxiNodesEntry const* node = sTaxiNodesStore.LookupEntry(i);
@@ -549,6 +555,13 @@ void LoadDBCStores(const std::string& dataPath)
             uint32 submask = 1<<((i-1)%32);
             sTaxiNodesMask[field] |= submask;
 
+            if (node->MountCreatureID[0] && node->MountCreatureID[0] != 32981)
+                sHordeTaxiNodesMask[field] |= submask;
+            if (node->MountCreatureID[1] && node->MountCreatureID[1] != 32981)
+                sAllianceTaxiNodesMask[field] |= submask;
+            if (node->MountCreatureID[0] == 32981 || node->MountCreatureID[1] == 32981)
+                sDeathKnightTaxiNodesMask[field] |= submask;
+
             // old continent node (+ nodes virtually at old continents, check explicitly to avoid loading map files for zone info)
             if (node->map_id < 2 || i == 82 || i == 83 || i == 93 || i == 94)
                 sOldContinentsNodesMask[field] |= submask;
diff --git a/src/server/game/DataStores/DBCStores.h b/src/server/game/DataStores/DBCStores.h
index bfe38f29926..49042e398cd 100644
--- a/src/server/game/DataStores/DBCStores.h
+++ b/src/server/game/DataStores/DBCStores.h
@@ -153,6 +153,9 @@ extern DBCStorage <TaxiNodesEntry>               sTaxiNodesStore;
 extern DBCStorage <TaxiPathEntry>                sTaxiPathStore;
 extern TaxiMask                                  sTaxiNodesMask;
 extern TaxiMask                                  sOldContinentsNodesMask;
+extern TaxiMask                                  sHordeTaxiNodesMask;
+extern TaxiMask                                  sAllianceTaxiNodesMask;
+extern TaxiMask                                  sDeathKnightTaxiNodesMask;
 extern TaxiPathSetBySource                       sTaxiPathSetBySource;
 extern TaxiPathNodesByPath                       sTaxiPathNodesByPath;
 extern DBCStorage <TotemCategoryEntry>           sTotemCategoryStore;
diff --git a/src/server/game/Entities/Player/Player.cpp b/src/server/game/Entities/Player/Player.cpp
index 1d7458dae4d..6146224b7b9 100644
--- a/src/server/game/Entities/Player/Player.cpp
+++ b/src/server/game/Entities/Player/Player.cpp
@@ -1654,8 +1654,17 @@ bool Player::BuildEnumData(QueryResult_AutoPtr result, WorldPacket * p_data)
         char_flags |= CHARACTER_FLAG_DECLINED;
 
     *p_data << uint32(char_flags);                          // character flags
+
     // character customize flags
-    *p_data << uint32(atLoginFlags & AT_LOGIN_CUSTOMIZE ? CHAR_CUSTOMIZE_FLAG_CUSTOMIZE : CHAR_CUSTOMIZE_FLAG_NONE);
+    if (atLoginFlags & AT_LOGIN_CUSTOMIZE)
+        *p_data << uint32(CHAR_CUSTOMIZE_FLAG_CUSTOMIZE);
+    else if (atLoginFlags & AT_LOGIN_CHANGE_FACTION)
+        *p_data << uint32(CHAR_CUSTOMIZE_FLAG_FACTION);
+    else if (atLoginFlags & AT_LOGIN_CHANGE_RACE)
+        *p_data << uint32(CHAR_CUSTOMIZE_FLAG_RACE);
+    else
+        *p_data << uint32(CHAR_CUSTOMIZE_FLAG_NONE);
+
     // First login
     *p_data << uint8(atLoginFlags & AT_LOGIN_FIRST ? 1 : 0);
 
diff --git a/src/server/game/Entities/Player/Player.h b/src/server/game/Entities/Player/Player.h
index f8d6535d5b0..de8aedf5de1 100644
--- a/src/server/game/Entities/Player/Player.h
+++ b/src/server/game/Entities/Player/Player.h
@@ -501,6 +501,8 @@ enum AtLoginFlags
     AT_LOGIN_CUSTOMIZE         = 0x08,
     AT_LOGIN_RESET_PET_TALENTS = 0x10,
     AT_LOGIN_FIRST             = 0x20,
+    AT_LOGIN_CHANGE_FACTION    = 0x40,
+    AT_LOGIN_CHANGE_RACE       = 0x80
 };
 
 typedef std::map<uint32, QuestStatusData> QuestStatusMap;
diff --git a/src/server/game/Globals/ObjectMgr.cpp b/src/server/game/Globals/ObjectMgr.cpp
index 44a6b110759..8ce16622f6a 100644
--- a/src/server/game/Globals/ObjectMgr.cpp
+++ b/src/server/game/Globals/ObjectMgr.cpp
@@ -8931,3 +8931,183 @@ void ObjectMgr::LoadCreatureClassLevelStats()
     sLog.outString();
     sLog.outString(">> Loaded %u creature base stats.", counter);
 }
+
+void ObjectMgr::LoadFactionChangeAchievements()
+{
+    QueryResult_AutoPtr result = WorldDatabase.Query("SELECT alliance_id, horde_id FROM player_factionchange_achievement");
+
+    if (!result)
+    {
+        barGoLink bar(1);
+        bar.step();
+        sLog.outString();
+        sLog.outString(">> Loaded 0 faction change achievement pairs. DB table `player_factionchange_achievement` is empty.");
+        return;
+    }
+
+    barGoLink bar(result->GetRowCount());
+    uint32 counter = 0;
+
+    do
+    {
+        Field *fields = result->Fetch();
+
+        uint32 alliance = fields[0].GetUInt32();
+        uint32 horde = fields[1].GetUInt32();
+
+        if (!sAchievementStore.LookupEntry(alliance))
+        {
+            sLog.outErrorDb("Achievement %u referenced in `player_factionchange_achievement` does not exist, pair skipped!", alliance);
+        }
+        else if (!sAchievementStore.LookupEntry(horde))
+        {
+            sLog.outErrorDb("Achievement %u referenced in `player_factionchange_achievement` does not exist, pair skipped!", horde);
+        }
+        else
+        {
+            factionchange_achievements[alliance] = horde;
+        }
+
+        bar.step();
+        ++counter;
+    }
+    while (result->NextRow());
+
+    sLog.outString();
+    sLog.outString(">> Loaded %u faction change achievement pairs.", counter);
+}
+
+void ObjectMgr::LoadFactionChangeItems()
+{
+    QueryResult_AutoPtr result = WorldDatabase.Query("SELECT alliance_id, horde_id FROM player_factionchange_items");
+
+    if (!result)
+    {
+        barGoLink bar(1);
+        bar.step();
+        sLog.outString();
+        sLog.outString(">> Loaded 0 faction change item pairs. DB table `player_factionchange_items` is empty.");
+        return;
+    }
+
+    barGoLink bar(result->GetRowCount());
+    uint32 counter = 0;
+
+    do
+    {
+        Field *fields = result->Fetch();
+
+        uint32 alliance = fields[0].GetUInt32();
+        uint32 horde = fields[1].GetUInt32();
+
+        if (!GetItemPrototype(alliance))
+        {
+            sLog.outErrorDb("Item %u referenced in `player_factionchange_items` does not exist, pair skipped!", alliance);
+        }
+        else if (!GetItemPrototype(horde))
+        {
+            sLog.outErrorDb("Item %u referenced in `player_factionchange_items` does not exist, pair skipped!", horde);
+        }
+        else
+        {
+            factionchange_items[alliance] = horde;
+        }
+
+        bar.step();
+        ++counter;
+    }
+    while (result->NextRow());
+
+    sLog.outString();
+    sLog.outString(">> Loaded %u faction change item pairs.", counter);
+}
+
+void ObjectMgr::LoadFactionChangeSpells()
+{
+    QueryResult_AutoPtr result = WorldDatabase.Query("SELECT alliance_id, horde_id FROM player_factionchange_spells");
+
+    if (!result)
+    {
+        barGoLink bar(1);
+        bar.step();
+        sLog.outString();
+        sLog.outString(">> Loaded 0 faction change spell pairs. DB table `player_factionchange_spells` is empty.");
+        return;
+    }
+
+    barGoLink bar(result->GetRowCount());
+    uint32 counter = 0;
+
+    do
+    {
+        Field *fields = result->Fetch();
+
+        uint32 alliance = fields[0].GetUInt32();
+        uint32 horde = fields[1].GetUInt32();
+
+        if (!sSpellStore.LookupEntry(alliance))
+        {
+            sLog.outErrorDb("Spell %u referenced in `player_factionchange_spells` does not exist, pair skipped!", alliance);
+        }
+        else if (!sSpellStore.LookupEntry(horde))
+        {
+            sLog.outErrorDb("Spell %u referenced in `player_factionchange_spells` does not exist, pair skipped!", horde);
+        }
+        else
+        {
+            factionchange_spells[alliance] = horde;
+        }
+
+        bar.step();
+        ++counter;
+    }
+    while (result->NextRow());
+
+    sLog.outString();
+    sLog.outString(">> Loaded %u faction change spell pairs.", counter);
+}
+
+void ObjectMgr::LoadFactionChangeReputations()
+{
+    QueryResult_AutoPtr result = WorldDatabase.Query("SELECT alliance_id, horde_id FROM player_factionchange_reputations");
+
+    if (!result)
+    {
+        barGoLink bar(1);
+        bar.step();
+        sLog.outString();
+        sLog.outString(">> Loaded 0 faction change reputation pairs. DB table `player_factionchange_reputations` is empty.");
+        return;
+    }
+
+    barGoLink bar(result->GetRowCount());
+    uint32 counter = 0;
+
+    do
+    {
+        Field *fields = result->Fetch();
+
+        uint32 alliance = fields[0].GetUInt32();
+        uint32 horde = fields[1].GetUInt32();
+
+        if (!sFactionStore.LookupEntry(alliance))
+        {
+            sLog.outErrorDb("Reputation %u referenced in `player_factionchange_reputations` does not exist, pair skipped!", alliance);
+        }
+        else if (!sFactionStore.LookupEntry(horde))
+        {
+            sLog.outErrorDb("Reputation %u referenced in `player_factionchange_reputations` does not exist, pair skipped!", horde);
+        }
+        else
+        {
+            factionchange_reputations[alliance] = horde;
+        }
+
+        bar.step();
+        ++counter;
+    }
+    while (result->NextRow());
+
+    sLog.outString();
+    sLog.outString(">> Loaded %u faction change reputation pairs.", counter);
+}
diff --git a/src/server/game/Globals/ObjectMgr.h b/src/server/game/Globals/ObjectMgr.h
index 26009e60a02..10865250d74 100644
--- a/src/server/game/Globals/ObjectMgr.h
+++ b/src/server/game/Globals/ObjectMgr.h
@@ -390,6 +390,8 @@ class ObjectMgr
 
         typedef std::vector<std::string> ScriptNameMap;
 
+        typedef std::map<uint32, uint32> CharacterConversionMap;
+
         Player* GetPlayer(const char* name) const { return sObjectAccessor.FindPlayerByName(name);}
         Player* GetPlayer(uint64 guid) const { return ObjectAccessor::FindPlayer(guid); }
 
@@ -961,6 +963,16 @@ class ObjectMgr
                 value = data[loc_idx];
         }
 
+        CharacterConversionMap factionchange_achievements;
+        CharacterConversionMap factionchange_items;
+        CharacterConversionMap factionchange_spells;
+        CharacterConversionMap factionchange_reputations;
+
+        void LoadFactionChangeAchievements();
+        void LoadFactionChangeItems();
+        void LoadFactionChangeSpells();
+        void LoadFactionChangeReputations();
+
     protected:
 
         // first free id for selected id type
diff --git a/src/server/game/Miscellaneous/SharedDefines.h b/src/server/game/Miscellaneous/SharedDefines.h
index dc97eeb1e4a..38116e7e41a 100644
--- a/src/server/game/Miscellaneous/SharedDefines.h
+++ b/src/server/game/Miscellaneous/SharedDefines.h
@@ -87,6 +87,12 @@ enum Races
     (1<<(RACE_GNOME-1))   |(1<<(RACE_TROLL-1))        |(1<<(RACE_BLOODELF-1))| \
     (1<<(RACE_DRAENEI-1)))
 
+#define RACEMASK_ALLIANCE \
+    ((1<<(RACE_HUMAN-1)) | (1<<(RACE_DWARF-1)) | (1<<(RACE_NIGHTELF-1)) | \
+    (1<<(RACE_GNOME-1)) | (1<<(RACE_DRAENEI-1)))
+
+#define RACEMASK_HORDE RACEMASK_ALL_PLAYABLE & ~RACEMASK_ALLIANCE
+
 // Class value is index in ChrClasses.dbc
 enum Classes
 {
diff --git a/src/server/game/Server/Protocol/Handlers/CharacterHandler.cpp b/src/server/game/Server/Protocol/Handlers/CharacterHandler.cpp
index e8b50a073f3..0d25742fff1 100644
--- a/src/server/game/Server/Protocol/Handlers/CharacterHandler.cpp
+++ b/src/server/game/Server/Protocol/Handlers/CharacterHandler.cpp
@@ -42,6 +42,7 @@
 #include "UpdateMask.h"
 #include "Util.h"
 #include "ScriptMgr.h"
+#include "Battleground.h"
 
 class LoginQueryHolder : public SQLQueryHolder
 {
@@ -1327,3 +1328,319 @@ void WorldSession::HandleEquipmentSetUse(WorldPacket &recv_data)
     data << uint8(0);                                       // 4 - equipment swap failed - inventory is full
     SendPacket(&data);
 }
+
+void WorldSession::HandleCharFactionOrRaceChange(WorldPacket& recv_data)
+{
+    uint64 guid;
+    std::string newname;
+    uint8 gender, skin, face, hairStyle, hairColor, facialHair, race;
+    recv_data >> guid;
+    recv_data >> newname;
+    recv_data >> gender >> skin >> hairColor >> hairStyle >> facialHair >> face >> race;
+
+    QueryResult_AutoPtr result = CharacterDatabase.PQuery("SELECT class, level, at_login FROM characters WHERE guid ='%u'", GUID_LOPART(guid));
+    if (!result)
+    {
+        WorldPacket data(SMSG_CHAR_FACTION_CHANGE, 1);
+        data << uint8(CHAR_CREATE_ERROR);
+        SendPacket( &data );
+        return;
+    }
+
+    Field *fields = result->Fetch();
+    uint32 playerClass = fields[0].GetUInt32();
+    uint32 level = fields[1].GetUInt32();
+    uint32 at_loginFlags = fields[2].GetUInt32();
+    uint32 used_loginFlag = ((recv_data.GetOpcode() == CMSG_CHAR_RACE_CHANGE) ? AT_LOGIN_CHANGE_RACE : AT_LOGIN_CHANGE_FACTION);
+
+    if (!sObjectMgr.GetPlayerInfo(race, playerClass))
+    {
+        WorldPacket data(SMSG_CHAR_FACTION_CHANGE, 1);
+        data << uint8(CHAR_CREATE_ERROR);
+        SendPacket( &data );
+        return;
+    }
+
+    if (!(at_loginFlags & used_loginFlag))
+    {
+        WorldPacket data(SMSG_CHAR_FACTION_CHANGE, 1);
+        data << uint8(CHAR_CREATE_ERROR);
+        SendPacket( &data );
+        return;
+    }
+
+    // prevent character rename to invalid name
+    if (!normalizePlayerName(newname))
+    {
+        WorldPacket data(SMSG_CHAR_FACTION_CHANGE, 1);
+        data << uint8(CHAR_NAME_NO_NAME);
+        SendPacket( &data );
+        return;
+    }
+
+    uint8 res = ObjectMgr::CheckPlayerName(newname,true);
+    if (res != CHAR_NAME_SUCCESS)
+    {
+        WorldPacket data(SMSG_CHAR_FACTION_CHANGE, 1);
+        data << uint8(res);
+        SendPacket( &data );
+        return;
+    }
+
+    // check name limitations
+    if (GetSecurity() == SEC_PLAYER && sObjectMgr.IsReservedName(newname))
+    {
+        WorldPacket data(SMSG_CHAR_FACTION_CHANGE, 1);
+        data << uint8(CHAR_NAME_RESERVED);
+        SendPacket( &data );
+        return;
+    }
+
+    // character with this name already exist
+    if (uint64 newguid = sObjectMgr.GetPlayerGUIDByName(newname))
+    {
+        if (newguid != guid)
+        {
+            WorldPacket data(SMSG_CHAR_FACTION_CHANGE, 1);
+            data << uint8(CHAR_CREATE_NAME_IN_USE);
+            SendPacket( &data );
+            return;
+        }
+    }
+
+    CharacterDatabase.escape_string(newname);
+    Player::Customize(guid, gender, skin, face, hairStyle, hairColor, facialHair);
+    SQLTransaction trans = CharacterDatabase.BeginTransaction();
+    trans->PAppend("UPDATE `characters` SET name = '%s', race = '%u', at_login = at_login & ~ %u WHERE guid ='%u'", newname.c_str(), race, uint32(used_loginFlag), GUID_LOPART(guid));
+    trans->PAppend("DELETE FROM character_declinedname WHERE guid ='%u'", GUID_LOPART(guid));
+
+    BattlegroundTeamId team;
+
+    // Search each faction is targeted
+    switch(race)
+    {
+    case RACE_ORC:
+    case RACE_TAUREN:
+    case RACE_UNDEAD_PLAYER:
+    case RACE_TROLL:
+    case RACE_BLOODELF:
+        team = BG_TEAM_HORDE;
+        break;
+    default:
+        team = BG_TEAM_ALLIANCE;
+        break;
+    }
+
+    // Switch Languages
+    // delete all languages first
+    trans->PAppend("DELETE FROM `character_skills` WHERE `skill` IN (98, 113, 759, 111, 313, 109, 115, 315, 673, 137) AND `guid`='%u'", GUID_LOPART(guid));
+
+    // now add them back
+    if (team == BG_TEAM_ALLIANCE)
+    {
+        trans->PAppend("INSERT INTO `character_skills` (guid, skill, value, max) VALUES (%u, 98, 300, 300)", GUID_LOPART(guid));
+        switch (race)
+        {
+        case RACE_DWARF:
+            trans->PAppend("INSERT INTO `character_skills` (guid, skill, value, max) VALUES (%u, 111, 300, 300)", GUID_LOPART(guid));
+            break;
+        case RACE_DRAENEI:
+            trans->PAppend("INSERT INTO `character_skills` (guid, skill, value, max) VALUES (%u, 759, 300, 300)", GUID_LOPART(guid));
+            break;
+        case RACE_GNOME:
+            trans->PAppend("INSERT INTO `character_skills` (guid, skill, value, max) VALUES (%u, 313, 300, 300)", GUID_LOPART(guid));
+            break;
+        case RACE_NIGHTELF:
+            trans->PAppend("INSERT INTO `character_skills` (guid, skill, value, max) VALUES (%u, 113, 300, 300)", GUID_LOPART(guid));
+            break;
+        }
+    }
+    else if (team == BG_TEAM_HORDE)
+    {
+        trans->PAppend("INSERT INTO `character_skills` (guid, skill, value, max) VALUES (%u, 109, 300, 300)", GUID_LOPART(guid));
+        switch (race)
+        {
+        case RACE_UNDEAD_PLAYER:
+            trans->PAppend("INSERT INTO `character_skills` (guid, skill, value, max) VALUES (%u, 673, 300, 300)", GUID_LOPART(guid));
+            break;
+        case RACE_TAUREN:
+            trans->PAppend("INSERT INTO `character_skills` (guid, skill, value, max) VALUES (%u, 115, 300, 300)", GUID_LOPART(guid));
+            break;
+        case RACE_TROLL:
+            trans->PAppend("INSERT INTO `character_skills` (guid, skill, value, max) VALUES (%u, 315, 300, 300)", GUID_LOPART(guid));
+            break;
+        case RACE_BLOODELF:
+            trans->PAppend("INSERT INTO `character_skills` (guid, skill, value, max) VALUES (%u, 137, 300, 300)", GUID_LOPART(guid));
+            break;
+        }
+    }
+
+    if(recv_data.GetOpcode() == CMSG_CHAR_FACTION_CHANGE)
+    {
+        // Delete all Flypaths
+        trans->PAppend("UPDATE `characters` SET taxi_path = '' WHERE guid ='%u'",GUID_LOPART(guid));
+
+        if (level > 7)
+        {
+            // Update Taxi path
+            // this doesn't seem to be 100% blizzlike... but it can't really be helped.
+            std::ostringstream taximaskstream;
+            uint32 numFullTaximasks = level / 7;
+            if (numFullTaximasks > 11)
+                numFullTaximasks = 11;
+            if (team == BG_TEAM_ALLIANCE)
+            {
+                if (playerClass != CLASS_DEATH_KNIGHT)
+                {
+                    for (uint8 i = 0; i < numFullTaximasks; ++i)
+                        taximaskstream << uint32(sAllianceTaxiNodesMask[i]) << " ";
+                }
+                else
+                {
+                    for (uint8 i = 0; i < numFullTaximasks; ++i)
+                        taximaskstream << uint32(sAllianceTaxiNodesMask[i] | sDeathKnightTaxiNodesMask[i]) << " ";
+                }
+            }
+            else
+            {
+                if (playerClass != CLASS_DEATH_KNIGHT)
+                {
+                    for (uint8 i = 0; i < numFullTaximasks; ++i)
+                        taximaskstream << uint32(sHordeTaxiNodesMask[i]) << " ";
+                }
+                else
+                {
+                    for (uint8 i = 0; i < numFullTaximasks; ++i)
+                        taximaskstream << uint32(sHordeTaxiNodesMask[i] | sDeathKnightTaxiNodesMask[i]) << " ";
+                }
+            }
+
+            uint32 numEmptyTaximasks = 11 - numFullTaximasks;
+            for (uint8 i = 0; i < numEmptyTaximasks; ++i)
+                taximaskstream << "0 ";
+            taximaskstream << "0";
+            std::string taximask = taximaskstream.str();
+            trans->PAppend("UPDATE `characters` SET `taximask`= '%s' WHERE `guid` = '%u'", taximask.c_str(), GUID_LOPART(guid));
+        }
+
+        // Delete all current quests
+        trans->PAppend("DELETE FROM `character_queststatus` WHERE `status` = 3 AND guid ='%u'",GUID_LOPART(guid));
+
+        // Delete record of the faction old completed quests
+        {
+            std::ostringstream quests;
+            ObjectMgr::QuestMap const& qTemplates = sObjectMgr.GetQuestTemplates();
+            for (ObjectMgr::QuestMap::const_iterator iter = qTemplates.begin(); iter != qTemplates.end(); ++iter)
+            {
+                Quest *qinfo = iter->second;
+                uint32 requiredRaces = qinfo->GetRequiredRaces();
+                if (team == BG_TEAM_ALLIANCE)
+                {
+                    if (requiredRaces & RACEMASK_ALLIANCE)
+                    {
+                        quests << uint32(qinfo->GetQuestId());
+                        quests << ",";
+                    }
+                }
+                else // if (team == BG_TEAM_HORDE)
+                {
+                    if (requiredRaces & RACEMASK_HORDE)
+                    {
+                        quests << uint32(qinfo->GetQuestId());
+                        quests << ",";
+                    }
+                }
+            }
+
+            std::string questsStr = quests.str();
+            questsStr = questsStr.substr(0, questsStr.length() - 1);
+
+            trans->PAppend("DELETE FROM `character_queststatus` WHERE guid= '%u' AND quest IN (%s)",GUID_LOPART(guid),questsStr.c_str());
+        }
+
+        if (!sWorld.getBoolConfig(CONFIG_ALLOW_TWO_SIDE_INTERACTION_GUILD))
+        {
+            // Reset guild
+            trans->PAppend("DELETE FROM `guild_member` WHERE `guid`= '%u'",GUID_LOPART(guid));
+        }
+
+        if (!sWorld.getBoolConfig(CONFIG_ALLOW_TWO_SIDE_ADD_FRIEND))
+        {
+            // Delete Friend List
+            trans->PAppend("DELETE FROM `character_social` WHERE `guid`= '%u'",GUID_LOPART(guid));
+            trans->PAppend("DELETE FROM `character_social` WHERE `friend`= '%u'",GUID_LOPART(guid));
+        }
+
+        // Leave Arena Teams
+        Player::LeaveAllArenaTeams(GUID_LOPART(guid));
+
+        // Reset homebind and position
+        trans->PAppend("DELETE FROM `character_homebind` WHERE guid = '%u'",GUID_LOPART(guid));
+        if(team == BG_TEAM_ALLIANCE)
+        {
+            trans->PAppend("INSERT INTO `character_homebind` VALUES (%u,0,1519,-8867.68,673.373,97.9034)",GUID_LOPART(guid));
+            Player::SavePositionInDB(0, -8867.68f, 673.373f, 97.9034f, 0.0f, 1519, GUID_LOPART(guid));
+        }
+        else
+        {
+            trans->PAppend("INSERT INTO `character_homebind` VALUES (%u,1,1637,1633.33,-4439.11,15.7588)",GUID_LOPART(guid));
+            Player::SavePositionInDB(1, 1633.33f, -4439.11f, 15.7588f, 0.0f, 1637, GUID_LOPART(guid));
+        }
+
+        // Achievement conversion
+        for (std::map<uint32, uint32>::const_iterator it = sObjectMgr.factionchange_achievements.begin(); it != sObjectMgr.factionchange_achievements.end(); ++it)
+        {
+            uint32 achiev_alliance = it->first;
+            uint32 achiev_horde = it->second;
+            trans->PAppend("UPDATE `character_achievement` SET achievement = '%u' where achievement = '%u' AND guid = '%u'",
+                team == BG_TEAM_ALLIANCE ? achiev_alliance : achiev_horde, team == BG_TEAM_ALLIANCE ? achiev_horde : achiev_alliance, GUID_LOPART(guid));
+        }
+
+        // Item conversion
+        for (std::map<uint32, uint32>::const_iterator it = sObjectMgr.factionchange_items.begin(); it != sObjectMgr.factionchange_items.end(); ++it)
+        {
+            uint32 item_alliance = it->first;
+            uint32 item_horde = it->second;
+            trans->PAppend("UPDATE `character_inventory` SET item = '%u' where item = '%u' AND guid = '%u'",
+                team == BG_TEAM_ALLIANCE ? item_alliance : item_horde, team == BG_TEAM_ALLIANCE ? item_horde : item_alliance, guid);
+        }
+
+        // Spell conversion
+        for (std::map<uint32, uint32>::const_iterator it = sObjectMgr.factionchange_spells.begin(); it != sObjectMgr.factionchange_spells.end(); ++it)
+        {
+            uint32 spell_alliance = it->first;
+            uint32 spell_horde = it->second;
+            trans->PAppend("UPDATE `character_spell` SET spell = '%u' where spell = '%u' AND guid = '%u'",
+                team == BG_TEAM_ALLIANCE ? spell_alliance : spell_horde, team == BG_TEAM_ALLIANCE ? spell_horde : spell_alliance, GUID_LOPART(guid));
+        }
+
+        // Reputation conversion
+        for (std::map<uint32, uint32>::const_iterator it = sObjectMgr.factionchange_reputations.begin(); it != sObjectMgr.factionchange_reputations.end(); ++it)
+        {
+            uint32 reputation_alliance = it->first;
+            uint32 reputation_horde = it->second;
+            trans->PAppend("DELETE FROM character_reputation WHERE faction = '%u' AND guid = '%u'",
+                team == BG_TEAM_ALLIANCE ? reputation_alliance : reputation_horde, GUID_LOPART(guid));
+            trans->PAppend("UPDATE `character_reputation` SET faction = '%u' where faction = '%u' AND guid = '%u'",
+                team == BG_TEAM_ALLIANCE ? reputation_alliance : reputation_horde, team == BG_TEAM_ALLIANCE ? reputation_horde : reputation_alliance, GUID_LOPART(guid));
+        }
+    }
+
+    CharacterDatabase.CommitTransaction(trans);
+
+    std::string IP_str = GetRemoteAddress();
+    sLog.outDebug("Account: %d (IP: %s), Character guid: %u Change Race/Faction to: %s", GetAccountId(), IP_str.c_str(), GUID_LOPART(guid), newname.c_str());
+
+    WorldPacket data(SMSG_CHAR_FACTION_CHANGE, 1 + 8 + (newname.size() + 1) + 1 + 1 + 1 + 1 + 1 + 1 + 1);
+    data << uint8(RESPONSE_SUCCESS);
+    data << uint64(guid);
+    data << newname;
+    data << uint8(gender);
+    data << uint8(skin);
+    data << uint8(face);
+    data << uint8(hairStyle);
+    data << uint8(hairColor);
+    data << uint8(facialHair);
+    data << uint8(race);
+    SendPacket(&data);
+}
diff --git a/src/server/game/Server/Protocol/Opcodes.cpp b/src/server/game/Server/Protocol/Opcodes.cpp
index 74fe40a3b6f..347bb93290b 100644
--- a/src/server/game/Server/Protocol/Opcodes.cpp
+++ b/src/server/game/Server/Protocol/Opcodes.cpp
@@ -1269,7 +1269,7 @@ OpcodeHandler opcodeTable[NUM_MSG_TYPES] =
     /*0x4D6*/ { "SMSG_EQUIPMENT_SET_USE_RESULT",                STATUS_NEVER,    &WorldSession::Handle_ServerSide               },
     /*0x4D7*/ { "UMSG_UNKNOWN_1239",                            STATUS_NEVER,    &WorldSession::Handle_NULL                     },
     /*0x4D8*/ { "SMSG_UNKNOWN_1240",                            STATUS_NEVER,    &WorldSession::Handle_ServerSide               },
-    /*0x4D9*/ { "CMSG_CHAR_FACTION_CHANGE",                     STATUS_NEVER,    &WorldSession::Handle_NULL                     },
+    /*0x4D9*/ { "CMSG_CHAR_FACTION_CHANGE",                     STATUS_AUTHED,   &WorldSession::HandleCharFactionOrRaceChange   },
     /*0x4DA*/ { "SMSG_CHAR_FACTION_CHANGE",                     STATUS_NEVER,    &WorldSession::Handle_ServerSide               },
     /*0x4DB*/ { "UMSG_UNKNOWN_1243",                            STATUS_NEVER,    &WorldSession::Handle_NULL                     },
     /*0x4DC*/ { "UMSG_UNKNOWN_1244",                            STATUS_NEVER,    &WorldSession::Handle_NULL                     },
@@ -1300,7 +1300,7 @@ OpcodeHandler opcodeTable[NUM_MSG_TYPES] =
     /*0x4F5*/ { "UMSG_UNKNOWN_1269",                            STATUS_NEVER,    &WorldSession::Handle_NULL                     },
     /*0x4F6*/ { "CMSG_WORLD_STATE_UI_TIMER_UPDATE",             STATUS_LOGGEDIN, &WorldSession::HandleWorldStateUITimerUpdate   },
     /*0x4F7*/ { "SMSG_WORLD_STATE_UI_TIMER_UPDATE",             STATUS_NEVER,    &WorldSession::Handle_ServerSide               },
-    /*0x4F8*/ { "CMSG_CHAR_RACE_CHANGE",                        STATUS_NEVER,    &WorldSession::Handle_NULL                     },
+    /*0x4F8*/ { "CMSG_CHAR_RACE_CHANGE",                        STATUS_AUTHED,   &WorldSession::HandleCharFactionOrRaceChange   },
     /*0x4F9*/ { "UMSG_UNKNOWN_1273",                            STATUS_NEVER,    &WorldSession::Handle_NULL                     },
     /*0x4FA*/ { "SMSG_TALENTS_INVOLUNTARILY_RESET",             STATUS_NEVER,    &WorldSession::Handle_ServerSide               },
     /*0x4FB*/ { "UMSG_UNKNOWN_1275",                            STATUS_NEVER,    &WorldSession::Handle_NULL                     },
diff --git a/src/server/game/Server/WorldSession.h b/src/server/game/Server/WorldSession.h
index 56b549e9658..01ffbe71245 100644
--- a/src/server/game/Server/WorldSession.h
+++ b/src/server/game/Server/WorldSession.h
@@ -323,6 +323,7 @@ class WorldSession
         void HandlePlayerLoginOpcode(WorldPacket& recvPacket);
         void HandleCharEnum(QueryResult_AutoPtr result);
         void HandlePlayerLogin(LoginQueryHolder * holder);
+        void HandleCharFactionOrRaceChange(WorldPacket& recv_data);
 
         // played time
         void HandlePlayedTime(WorldPacket& recvPacket);
diff --git a/src/server/game/World/World.cpp b/src/server/game/World/World.cpp
index 3afe5bae580..0ee7c5ebe24 100644
--- a/src/server/game/World/World.cpp
+++ b/src/server/game/World/World.cpp
@@ -1578,6 +1578,18 @@ void World::SetInitialWorldSettings()
     sLog.outString("Loading Conditions...");
     sConditionMgr.LoadConditions();
 
+    sLog.outString("Loading faction change achievement pairs...");
+    sObjectMgr.LoadFactionChangeAchievements();
+
+    sLog.outString("Loading faction change spell pairs...");
+    sObjectMgr.LoadFactionChangeSpells();
+
+    sLog.outString("Loading faction change item pairs...");
+    sObjectMgr.LoadFactionChangeItems();
+
+    sLog.outString("Loading faction change reputation pairs...");
+    sObjectMgr.LoadFactionChangeReputations();
+
     sLog.outString("Loading GM tickets...");
     sTicketMgr.LoadGMTickets();