LFG: Rewrite into async and add pending autoinvite protocol

src/game/Chat/Channel.cpp

@@ -93,7 +93,7 @@ void Channel::Join(Player* player, const char* password)
 
     if (HasFlag(CHANNEL_FLAG_LFG) && sWorld.getConfig(CONFIG_BOOL_CHANNEL_RESTRICTED_LFG))
     {
-        if (player->GetSession()->GetSecurity() == SEC_PLAYER && player->m_lookingForGroup.isEmpty())
+        if (player->GetSession()->GetSecurity() == SEC_PLAYER && !player->GetSession()->m_lfgInfo.queued)
         {
             MakeNotInLFG(data, m_name);
             SendToOne(data, guid);

src/game/Entities/CharacterHandler.cpp

@@ -1158,10 +1158,6 @@ void WorldSession::HandleSetFactionAtWarOpcode(WorldPacket& recv_data)
 void WorldSession::HandleMeetingStoneInfoOpcode(WorldPacket& /*recv_data*/)
 {
     DEBUG_LOG("WORLD: Received CMSG_MEETING_STONE_INFO");
-
-    WorldPacket data(SMSG_MEETINGSTONE_SETQUEUE, 5);
-    data << uint32(0) << uint8(6);
-    SendPacket(data);
 }
 
 void WorldSession::HandleTutorialFlagOpcode(WorldPacket& recv_data)

src/game/Entities/Player.cpp

@@ -19636,6 +19636,12 @@ void Player::SendInitialPacketsAfterAddToMap()
 
     SendExtraAuraDurationsOnLogin(true);
     SendExtraAuraDurationsOnLogin(false);
+
+    if (!sWorld.getConfig(CONFIG_BOOL_LFG_ENABLED))
+    {
+        WorldPacket data(SMSG_LFG_DISABLED);
+        GetSession()->SendPacket(data);
+    }
 }
 
 void Player::SendUpdateToOutOfRangeGroupMembers()

src/game/Entities/Player.h

@@ -307,61 +307,6 @@ struct EnchantDuration
 typedef std::list<EnchantDuration> EnchantDurationList;
 typedef std::list<Item*> ItemDurationList;
 
-#define MAX_LOOKING_FOR_GROUP_SLOT 3
-
-struct LookingForGroupInfo
-{
-    struct Slot
-    {
-        bool empty() const { return (!type || !entry); }
-        void clear() { entry = 0; }
-        bool set(uint16 _entry, uint16 _type) { entry = _entry; type = _type; return !empty(); }
-        bool is(uint16 _entry, uint16 _type) const { return entry == _entry && type == _type; }
-        bool isAuto() const { return entry && (type == LFG_TYPE_DUNGEON || type == LFG_TYPE_HEROIC_DUNGEON); }
-
-        uint16 entry = 0;
-        uint16 type = LFG_TYPE_DUNGEON;
-    };
-
-    inline void clear()
-    {
-        more.clear();
-        for (auto& slot : group)
-            slot.clear();
-    }
-    inline bool isAutoFill() const { return more.isAuto(); }
-    inline bool isAutoJoin() const
-    {
-        for (auto& slot : group)
-            if (slot.isAuto())
-                return true;
-        return false;
-    }
-    inline bool isEmpty() const { return (!isLFM() && !isLFG()); }
-    inline bool isLFG() const
-    {
-        for (auto& slot : group)
-            if (!slot.empty())
-                return true;
-        return false;
-    }
-    inline bool isLFG(uint32 entry, uint32 type, bool autoOnly) const
-    {
-        for (auto& slot : group)
-            if (slot.is(uint16(entry), uint16(type)) && (!autoOnly || slot.isAuto()))
-                return true;
-        return false;
-    }
-    inline bool isLFG(LookingForGroupInfo const& info, bool autoOnly) const { return isLFG(uint16(info.more.entry), uint16(info.more.type), autoOnly); }
-    inline bool isLFM() const { return !more.empty(); }
-    inline bool isLFM(uint32 entry, uint32 type) const { return more.is(uint16(entry), uint16(type)); }
-
-    // bool queued = false;
-    Slot group[MAX_LOOKING_FOR_GROUP_SLOT];
-    Slot more;
-    std::string comment;
-};
-
 enum RaidGroupError
 {
     ERR_RAID_GROUP_NONE                 = 0,
@@ -2187,8 +2132,6 @@ class Player : public Unit
         void RemoveAtLoginFlag(AtLoginFlags f, bool in_db_also = false);
         static bool ValidateAppearance(uint8 race, uint8 class_, uint8 gender, uint8 hairID, uint8 hairColor, uint8 faceID, uint8 facialHair, uint8 skinColor, bool create = false);
 
-        LookingForGroupInfo m_lookingForGroup;
-
         // Temporarily removed pet cache
         uint32 GetTemporaryUnsummonedPetNumber() const { return m_temporaryUnsummonedPetNumber; }
         void SetTemporaryUnsummonedPetNumber(uint32 petnumber) { m_temporaryUnsummonedPetNumber = petnumber; }

src/game/Groups/Group.cpp

@@ -441,6 +441,12 @@ uint32 Group::RemoveMember(ObjectGuid guid, uint8 method)
             BroadcastPacket(data, true);
         }
 
+        // TODO: Check if member leaving should just update queue
+        sWorld.GetLFGQueue().GetMessager().AddMessage([guid](LFGQueue* queue)
+        {
+            queue->StopLookingForGroup(guid, guid);
+        });
+
         SendUpdate();
     }
     // if group before remove <= 2 disband it

src/game/LFG/LFGDefines.h

@@ -0,0 +1,62 @@
+/*
+ * This file is part of the CMaNGOS Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef _LFG_DEFINES_H
+#define _LFG_DEFINES_H
+
+#include "Common.h"
+
+#define MAX_LOOKING_FOR_GROUP_SLOT 3
+
+enum LfgType : uint32
+{
+    LFG_TYPE_NONE           = 0,
+    LFG_TYPE_DUNGEON        = 1,
+    LFG_TYPE_RAID           = 2,
+    LFG_TYPE_QUEST          = 3,
+    LFG_TYPE_ZONE           = 4,
+    LFG_TYPE_HEROIC_DUNGEON = 5
+};
+
+enum class MeetingstoneFailedStatus : uint8
+{
+    MEETINGSTONE_FAIL_NONE                                  = 0, // custom, not to be sent
+    MEETINGSTONE_FAIL_PARTYLEADER                           = 1,
+    MEETINGSTONE_FAIL_FULL_GROUP                            = 2,
+    MEETINGSTONE_FAIL_RAID_GROUP                            = 3,
+};
+
+enum class MeetingstoneSetqueue : uint8
+{
+    LEFT_QUEUE          = 0,
+    IN_QUEUE            = 1,
+    UNK                 = 2,
+    OTHER_MEMBER_LEFT   = 3,
+    KICKED_FROM_QUEUE   = 4,
+    JOINED_GROUP        = 5,
+};
+
+struct LfgPlayerInfo
+{
+    std::string comment;
+    bool autojoin = false;
+    bool autofill = false;
+    bool queued = false; // cached async information
+};
+
+#endif