Core/Player: Implement PvP Talents

Source/Game/Handlers/CharacterHandler.cs

@@ -2520,6 +2520,10 @@ namespace Game
             stmt.AddValue(0, lowGuid);
             SetQuery(PlayerLoginQueryLoad.Talents, stmt);
 
+            stmt = DB.Characters.GetPreparedStatement(CharStatements.SEL_CHARACTER_PVP_TALENTS);
+            stmt.AddValue(0, lowGuid);
+            SetQuery(PlayerLoginQueryLoad.PvpTalents, stmt);
+
             stmt = DB.Characters.GetPreparedStatement(CharStatements.SEL_PLAYER_ACCOUNT_DATA);
             stmt.AddValue(0, lowGuid);
             SetQuery(PlayerLoginQueryLoad.AccountData, stmt);
@@ -2615,6 +2619,7 @@ namespace Game
         BgData,
         Glyphs,
         Talents,
+        PvpTalents,
         AccountData,
         Skills,
         WeeklyQuestStatus,

Source/Game/Handlers/DuelHandler.cs

@@ -77,6 +77,9 @@ namespace Game
 
             player.SendPacket(packet);
             plTarget.SendPacket(packet);
+
+            player.EnablePvpRules();
+            plTarget.EnablePvpRules();
         }
 
         void HandleDuelCancelled()

Source/Game/Handlers/SkillHandler.cs

@@ -52,6 +52,32 @@ namespace Game
                 GetPlayer().SendTalentsInfoData();
         }
 
+        [WorldPacketHandler(ClientOpcodes.LearnPvpTalents)]
+        void HandleLearnPvpTalentsOpcode(LearnPvpTalents packet)
+        {
+            LearnPvpTalentsFailed learnPvpTalentsFailed = new LearnPvpTalentsFailed();
+            bool anythingLearned = false;
+            foreach (ushort talentId in packet.Talents)
+            {
+                TalentLearnResult result = _player.LearnPvpTalent(talentId, ref learnPvpTalentsFailed.SpellID);
+                if (result != 0)
+                {
+                    if (learnPvpTalentsFailed.Reason == 0)
+                        learnPvpTalentsFailed.Reason = (uint)result;
+
+                    learnPvpTalentsFailed.Talents.Add(talentId);
+                }
+                else
+                    anythingLearned = true;
+            }
+
+            if (learnPvpTalentsFailed.Reason != 0)
+                SendPacket(learnPvpTalentsFailed);
+
+            if (anythingLearned)
+                _player.SendTalentsInfoData();
+        }
+
         [WorldPacketHandler(ClientOpcodes.ConfirmRespecWipe)]
         void HandleConfirmRespecWipe(ConfirmRespecWipe confirmRespecWipe)
         {