Core/Spells: Fixed overwriting summon requests

Closes #17049

sql/updates/world/6.x/2016_05_01_02_world_2016_05_01_00.sql

@@ -0,0 +1 @@
+DELETE FROM `trinity_string` WHERE `entry`=5007;

src/server/game/Entities/Player/Player.cpp

@@ -280,21 +280,11 @@ Player::Player(WorldSession* session) : Unit(true)
 
     // Player summoning
     m_summon_expire = 0;
-    m_summon_mapid = 0;
-    m_summon_x = 0.0f;
-    m_summon_y = 0.0f;
-    m_summon_z = 0.0f;
 
     m_mover = this;
     m_movedPlayer = this;
     m_seer = this;
 
-    m_recallMap = 0;
-    m_recallX = 0;
-    m_recallY = 0;
-    m_recallZ = 0;
-    m_recallO = 0;
-
     m_homebindMapId = 0;
     m_homebindAreaId = 0;
     m_homebindX = 0;
@@ -5816,15 +5806,6 @@ bool Player::UpdatePosition(float x, float y, float z, float orientation, bool t
     return true;
 }
 
-void Player::SaveRecallPosition()
-{
-    m_recallMap = GetMapId();
-    m_recallX = GetPositionX();
-    m_recallY = GetPositionY();
-    m_recallZ = GetPositionZ();
-    m_recallO = GetOrientation();
-}
-
 void Player::SendMessageToSetInRange(WorldPacket const* data, float dist, bool self)
 {
     if (self)
@@ -23129,13 +23110,32 @@ void Player::UpdateForQuestWorldObjects()
     GetSession()->SendPacket(&packet);
 }
 
-void Player::SetSummonPoint(uint32 mapid, float x, float y, float z)
+bool Player::HasSummonPending() const
 {
+    return m_summon_expire >= time(nullptr);
+}
+
+void Player::SendSummonRequestFrom(Unit* summoner)
+{
+    if (!summoner)
+        return;
+
+    // Player already has active summon request
+    if (HasSummonPending())
+        return;
+
+    // Evil Twin (ignore player summon, but hide this for summoner)
+    if (HasAura(23445))
+        return;
+
     m_summon_expire = time(nullptr) + MAX_PLAYER_SUMMON_DELAY;
-    m_summon_mapid = mapid;
-    m_summon_x = x;
-    m_summon_y = y;
-    m_summon_z = z;
+    m_summon_location.WorldRelocate(*summoner);
+
+    WorldPackets::Movement::SummonRequest summonRequest;
+    summonRequest.SummonerGUID = summoner->GetGUID();
+    summonRequest.SummonerVirtualRealmAddress = GetVirtualRealmAddress();
+    summonRequest.AreaID = summoner->GetZoneId();
+    GetSession()->SendPacket(summonRequest.Write());
 }
 
 void Player::SummonIfPossible(bool agree)
@@ -23166,7 +23166,7 @@ void Player::SummonIfPossible(bool agree)
 
     UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_ACCEPTED_SUMMONINGS, 1);
 
-    TeleportTo(m_summon_mapid, m_summon_x, m_summon_y, m_summon_z, GetOrientation());
+    TeleportTo(m_summon_location);
 }
 
 void Player::RemoveItemDurations(Item* item)

src/server/game/Entities/Player/Player.h

@@ -1210,7 +1210,8 @@ class TC_GAME_API Player : public Unit, public GridObject<Player>
         bool TeleportTo(WorldLocation const &loc, uint32 options = 0);
         bool TeleportToBGEntryPoint();
 
-        void SetSummonPoint(uint32 mapid, float x, float y, float z);
+        bool HasSummonPending() const;
+        void SendSummonRequestFrom(Unit* summoner);
         void SummonIfPossible(bool agree);
 
         bool Create(ObjectGuid::LowType guidlow, WorldPackets::Character::CharacterCreateInfo const* createInfo);
@@ -2275,13 +2276,8 @@ class TC_GAME_API Player : public Unit, public GridObject<Player>
         uint32 GetSaveTimer() const { return m_nextSave; }
         void   SetSaveTimer(uint32 timer) { m_nextSave = timer; }
 
-        // Recall position
-        uint32 m_recallMap;
-        float  m_recallX;
-        float  m_recallY;
-        float  m_recallZ;
-        float  m_recallO;
-        void   SaveRecallPosition();
+        void SaveRecallPosition() { m_recall_location.WorldRelocate(*this); }
+        void Recall() { TeleportTo(m_recall_location); }
 
         void SetHomebind(WorldLocation const& loc, uint32 areaId);
         void SendBindPointUpdate() const;
@@ -2749,10 +2745,10 @@ class TC_GAME_API Player : public Unit, public GridObject<Player>
 
         // Player summoning
         time_t m_summon_expire;
-        uint32 m_summon_mapid;
-        float  m_summon_x;
-        float  m_summon_y;
-        float  m_summon_z;
+        WorldLocation m_summon_location;
+
+        // Recall position
+        WorldLocation m_recall_location;
 
         DeclinedName *m_declinedname;
         Runes *m_runes;

src/server/game/Miscellaneous/Language.h

@@ -1069,7 +1069,7 @@ enum TrinityStrings
     LANG_COMMAND_NO_FROZEN_PLAYERS      = 5004,
     LANG_COMMAND_LIST_FREEZE            = 5005,
     LANG_COMMAND_PERMA_FROZEN_PLAYER    = 5006,
-    LANG_INSTANCE_RAID_GROUP_ONLY       = 5007,
+    //                                  = 5007, unused
     LANG_INSTANCE_CLOSED                = 5008,
     LANG_COMMAND_PLAYED_TO_ALL          = 5009,
     LANG_NPCINFO_LINKGUID               = 5010,

src/server/game/Server/Packets/MovementPackets.cpp

@@ -704,3 +704,14 @@ void WorldPackets::Movement::MoveSplineDone::Read()
     _worldPacket >> movementInfo;
     _worldPacket >> SplineID;
 }
+
+WorldPacket const* WorldPackets::Movement::SummonRequest::Write()
+{
+    _worldPacket << SummonerGUID;
+    _worldPacket << uint32(SummonerVirtualRealmAddress);
+    _worldPacket << int32(AreaID);
+    _worldPacket.WriteBit(SkipStartingArea);
+    _worldPacket.FlushBits();
+
+    return &_worldPacket;
+}

src/server/game/Server/Packets/MovementPackets.h

@@ -448,6 +448,19 @@ namespace WorldPackets
             MovementInfo movementInfo;
             int32 SplineID = 0;
         };
+
+        class SummonRequest final : public ServerPacket
+        {
+        public:
+            SummonRequest() : ServerPacket(SMSG_SUMMON_REQUEST, 16 + 4 + 4 + 1) { }
+
+            WorldPacket const* Write() override;
+
+            ObjectGuid SummonerGUID;
+            uint32 SummonerVirtualRealmAddress = 0;
+            int32 AreaID = 0;
+            bool SkipStartingArea = false;
+        };
     }
 
     ByteBuffer& operator<<(ByteBuffer& data, Movement::MonsterSplineFilterKey const& monsterSplineFilterKey);

src/server/game/Server/Protocol/Opcodes.cpp

@@ -1637,7 +1637,7 @@ void OpcodeTable::Initialize()
     DEFINE_SERVER_OPCODE_HANDLER(SMSG_STREAMING_MOVIES,                        STATUS_UNHANDLED,    CONNECTION_TYPE_REALM);
     DEFINE_SERVER_OPCODE_HANDLER(SMSG_SUMMON_CANCEL,                           STATUS_UNHANDLED,    CONNECTION_TYPE_REALM);
     DEFINE_SERVER_OPCODE_HANDLER(SMSG_SUMMON_RAID_MEMBER_VALIDATE_FAILED,      STATUS_UNHANDLED,    CONNECTION_TYPE_REALM);
-    DEFINE_SERVER_OPCODE_HANDLER(SMSG_SUMMON_REQUEST,                          STATUS_UNHANDLED,    CONNECTION_TYPE_REALM);
+    DEFINE_SERVER_OPCODE_HANDLER(SMSG_SUMMON_REQUEST,                          STATUS_NEVER,        CONNECTION_TYPE_INSTANCE);
     DEFINE_SERVER_OPCODE_HANDLER(SMSG_SUPERCEDED_SPELLS,                       STATUS_UNHANDLED,    CONNECTION_TYPE_REALM);
     DEFINE_SERVER_OPCODE_HANDLER(SMSG_SUPPRESS_NPC_GREETINGS,                  STATUS_UNHANDLED,    CONNECTION_TYPE_REALM);
     DEFINE_SERVER_OPCODE_HANDLER(SMSG_SUSPEND_COMMS,                           STATUS_UNHANDLED,    CONNECTION_TYPE_REALM);

src/server/game/Spells/Spell.cpp

@@ -5441,6 +5441,9 @@ SpellCastResult Spell::CheckCast(bool strict)
                 if (!target || m_caster->ToPlayer() == target || (!target->IsInSameRaidWith(m_caster->ToPlayer()) && m_spellInfo->Id != 48955)) // refer-a-friend spell
                     return SPELL_FAILED_BAD_TARGETS;
 
+                if (target->HasSummonPending())
+                    return SPELL_FAILED_SUMMON_PENDING;
+
                 // check if our map is dungeon
                 MapEntry const* map = sMapStore.LookupEntry(m_caster->GetMapId());
                 if (map->IsDungeon())

src/server/game/Spells/SpellEffects.cpp

@@ -3898,20 +3898,7 @@ void Spell::EffectSummonPlayer(SpellEffIndex /*effIndex*/)
     if (!unitTarget || unitTarget->GetTypeId() != TYPEID_PLAYER)
         return;
 
-    // Evil Twin (ignore player summon, but hide this for summoner)
-    if (unitTarget->HasAura(23445))
-        return;
-
-    float x, y, z;
-    m_caster->GetPosition(x, y, z);
-
-    unitTarget->ToPlayer()->SetSummonPoint(m_caster->GetMapId(), x, y, z);
-
-    WorldPacket data(SMSG_SUMMON_REQUEST, 8+4+4);
-    data << m_caster->GetGUID();                            // summoner guid
-    data << uint32(m_caster->GetZoneId());                  // summoner zone
-    data << uint32(MAX_PLAYER_SUMMON_DELAY*IN_MILLISECONDS); // auto decline after msecs
-    unitTarget->ToPlayer()->GetSession()->SendPacket(&data);
+    unitTarget->ToPlayer()->SendSummonRequestFrom(m_caster);
 }
 
 void Spell::EffectActivateObject(SpellEffIndex /*effIndex*/)

src/server/scripts/Commands/cs_misc.cpp

@@ -818,7 +818,7 @@ public:
             target->CleanupAfterTaxiFlight();
         }
 
-        target->TeleportTo(target->m_recallMap, target->m_recallX, target->m_recallY, target->m_recallZ, target->m_recallO);
+        target->Recall();
         return true;
     }