Fix accessories for vehicle player mounts (the vendors on Traveler's Tundra Mammoth for example)

--HG--
branch : trunk

src/server/game/Entities/Unit/Unit.cpp

@@ -11727,7 +11727,7 @@ float Unit::GetPPMProcChance(uint32 WeaponSpeed, float PPM, const SpellEntry * s
     return floor((WeaponSpeed * PPM) / 600.0f);   // result is chance in percents (probability = Speed_in_sec * (PPM / 60))
 }
 
-void Unit::Mount(uint32 mount, uint32 VehicleId)
+void Unit::Mount(uint32 mount, uint32 VehicleId, uint32 creatureEntry)
 {
     RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_MOUNT);
 
@@ -11759,6 +11759,10 @@ void Unit::Mount(uint32 mount, uint32 VehicleId)
                 {
                     GetVehicleKit()->Reset();
 
+                    // mounts can also have accessories
+                    GetVehicleKit()->GetBase()->SetEntry(creatureEntry); // set creature entry so InstallAllAccessories() can read correct accessories
+                    GetVehicleKit()->InstallAllAccessories();
+
                     // Send others that we now have a vehicle
                     WorldPacket data(SMSG_PLAYER_VEHICLE_DATA, GetPackGUID().size()+4);
                     data.appendPackGUID(GetGUID());

src/server/game/Entities/Unit/Unit.h

@@ -1284,7 +1284,7 @@ class Unit : public WorldObject
 
         bool IsMounted() const { return HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_MOUNT); }
         uint32 GetMountID() const { return GetUInt32Value(UNIT_FIELD_MOUNTDISPLAYID); }
-        void Mount(uint32 mount, uint32 vehicleId=0);
+        void Mount(uint32 mount, uint32 vehicleId = 0, uint32 creatureEntry = 0);
         void Unmount();
 
         uint16 GetMaxSkillValueForLevel(Unit const* target = NULL) const { return (target ? getLevelForTarget(target) : getLevel()) * 5; }

src/server/game/Entities/Vehicle/Vehicle.cpp

@@ -187,6 +187,9 @@ void Vehicle::RemoveAllPassengers()
                 //ASSERT(!itr->second.passenger);
                 itr->second.passenger = NULL;
             }
+            // creature passengers mounted on player mounts should be despawned at dismount
+            if (GetBase()->GetTypeId() == TYPEID_PLAYER && passenger->GetEntry())
+                passenger->ToCreature()->ForcedDespawn();
         }
 }
 

src/server/game/Server/Protocol/Handlers/MovementHandler.cpp

@@ -659,6 +659,11 @@ void WorldSession::HandleEjectPasenger(WorldPacket &data)
             data >> guid;
             if (Player* Pl=ObjectAccessor::FindPlayer(guid))
                 Pl->ExitVehicle();
+            else if (Unit* Un = ObjectAccessor::GetUnit(*_player, guid)) // creatures can be ejected too from player mounts
+            {
+                Un->ExitVehicle();
+                Un->ToCreature()->ForcedDespawn(1000);
+            }
         }
     }
 }

src/server/game/Spells/Auras/SpellAuraEffects.cpp

@@ -3717,7 +3717,7 @@ void AuraEffect::HandleAuraMounted(AuraApplication const * aurApp, uint8 mode, b
             if (GetSpellProto()->Effect[i] == SPELL_EFFECT_SUMMON
                 && GetSpellProto()->EffectMiscValue[i] == GetMiscValue())
                 display_id = 0;
-        target->Mount(display_id,ci->VehicleId);
+        target->Mount(display_id, ci->VehicleId, GetMiscValue());
     }
     else
     {