Core/Battlefield: correct wintergrasp faction for horde (thx kirkita), added grab passenger spell as per sniffs.

src/server/game/Battlefield/Zones/BattlefieldWG.cpp

@@ -563,6 +563,8 @@ void BattlefieldWG::OnCreatureCreate(Creature* creature)
                         return;
                     }
                 }
+                if (creature->GetOwner())
+                    creature->CastSpell(creature->GetOwner(),SPELL_GRAB_PASSENGER,true);
                 break;
             }
         }

src/server/game/Battlefield/Zones/BattlefieldWG.h

@@ -29,7 +29,7 @@
 const uint32 VehNumWorldState[2] = { 3680, 3490 };
 const uint32 MaxVehNumWorldState[2] = { 3681, 3491 };
 const uint32 ClockWorldState[2] = { 3781, 4354 };
-const uint32 WintergraspFaction[3] = { 1, 116, 35 };
+const uint32 WintergraspFaction[3] = { 1, 2, 35 };
 const float WintergraspStalkerPos[4] = { 0, 0, 0, 0 };
 
 class BattlefieldWG;
@@ -59,6 +59,7 @@ enum WintergraspSpells
     SPELL_GREATEST_HONOR                        = 58557,
     SPELL_ALLIANCE_FLAG                         = 14268,
     SPELL_HORDE_FLAG                            = 14267,
+    SPELL_GRAB_PASSENGER                        = 61178,
 
     // Reward spells
     SPELL_VICTORY_REWARD                        = 56902,

src/server/scripts/Northrend/wintergrasp.cpp

@@ -492,6 +492,33 @@ class spell_wintergrasp_force_building : public SpellScriptLoader
         }
 };
 
+class spell_wintergrasp_grab_passenger : public SpellScriptLoader
+{
+    public:
+        spell_wintergrasp_grab_passenger() : SpellScriptLoader("spell_wintergrasp_grab_passenger") { }
+
+        class spell_wintergrasp_grab_passenger_SpellScript : public SpellScript
+        {
+            PrepareSpellScript(spell_wintergrasp_grab_passenger_SpellScript);
+
+            void HandleScript(SpellEffIndex effIndex)
+            {
+                if (Player* target = GetHitPlayer())
+                    GetCaster()->GetVehicleKit()->AddPassenger(target);
+            }
+
+            void Register()
+            {
+                OnEffectHitTarget += SpellEffectFn(spell_wintergrasp_grab_passenger_SpellScript::HandleScript, EFFECT_0, SPELL_EFFECT_SCRIPT_EFFECT);
+            }
+        };
+
+        SpellScript* GetSpellScript() const
+        {
+            return new spell_wintergrasp_grab_passenger_SpellScript();
+        }
+};
+
 class achievement_wg_didnt_stand_a_chance : public AchievementCriteriaScript
 {
 public:
@@ -516,6 +543,8 @@ public:
     }
 };
 
+
+
 void AddSC_wintergrasp()
 {
     new npc_wg_queue();
@@ -524,6 +553,7 @@ void AddSC_wintergrasp()
     new npc_wg_quest_giver();
     new achievement_wg_didnt_stand_a_chance();
     new spell_wintergrasp_force_building();
+    new spell_wintergrasp_grab_passenger();
 
     new go_wg_vehicle_teleporter();
 }