MaNGOS merge: Mail System.

* Store loot in mail_loot_template indexed by mail template ids.
* Implement proper creating mail text copy item from mail template based mail.
* Move send functions to new MailDraft class from WorldSession.
* Implement mails sending at player levelup.
* Autor VladimirMangos, converted by me.

--HG--
branch : trunk

src/game/ObjectMgr.h

@@ -180,6 +180,19 @@ struct PetLevelInfo
     uint16 armor;
 };
 
+struct MailLevelReward
+{
+    MailLevelReward() : raceMask(0), mailTemplateId(0), senderEntry(0) {}
+    MailLevelReward(uint32 _raceMask, uint32 _mailTemplateId, uint32 _senderEntry) : raceMask(_raceMask), mailTemplateId(_mailTemplateId), senderEntry(_senderEntry) {}
+
+    uint32 raceMask;
+    uint32 mailTemplateId;
+    uint32 senderEntry;
+};
+
+typedef std::list<MailLevelReward> MailLevelRewardList;
+typedef UNORDERED_MAP<uint8,MailLevelRewardList> MailLevelRewardMap;
+
 struct ReputationOnKillEntry
 {
     uint32 repfaction1;
@@ -570,6 +583,7 @@ class ObjectMgr
         void LoadNpcOptionLocales();
         void LoadPointOfInterestLocales();
         void LoadInstanceTemplate();
+        void LoadMailLevelRewards();
 
         void LoadGossipText();
 
@@ -645,6 +659,19 @@ class ObjectMgr
         typedef std::multimap<int32, uint32> ExclusiveQuestGroups;
         ExclusiveQuestGroups mExclusiveQuestGroups;
 
+        MailLevelReward const* GetMailLevelReward(uint32 level,uint32 raceMask)
+        {
+            MailLevelRewardMap::const_iterator map_itr = m_mailLevelRewardMap.find(level);
+            if (map_itr == m_mailLevelRewardMap.end())
+                return NULL;
+
+            for(MailLevelRewardList::const_iterator set_itr = map_itr->second.begin(); set_itr != map_itr->second.end(); ++set_itr)
+                if (set_itr->raceMask & raceMask)
+                    return &*set_itr;
+
+            return NULL;
+        }
+
         WeatherZoneChances const* GetWeatherChances(uint32 zone_id) const
         {
             WeatherZoneMap::const_iterator itr = mWeatherZoneMap.find(zone_id);
@@ -956,6 +983,8 @@ class ObjectMgr
         void ConvertCreatureAddonAuras(CreatureDataAddon* addon, char const* table, char const* guidEntryStr);
         void LoadQuestRelationsHelper(QuestRelations& map,char const* table);
 
+        MailLevelRewardMap m_mailLevelRewardMap;
+
         typedef std::map<uint32,PetLevelInfo*> PetLevelInfoMap;
         // PetLevelInfoMap[creature_id][level]
         PetLevelInfoMap petInfo;                            // [creature_id][level]