fix(Core/DungeonFinder): Seasonal bosses are available only via Dunge… (#8056)

* fix(Core/DungeonFinder): Seasonal bosses are available only via Dungeon Finder tool.

Fixes #7889

* Update.

* Buildfix.

* Missing.

src/server/game/AI/CoreAI/GameObjectAI.h

@@ -59,6 +59,7 @@ public:
     virtual void OnStateChanged(uint32 /*state*/, Unit* /*unit*/) {}
     virtual void EventInform(uint32 /*eventId*/) {}
     virtual void SpellHit(Unit* /*unit*/, const SpellInfo* /*spellInfo*/) {}
+    virtual bool CanBeSeen(Player const* /*seer*/) { return true; }
 };
 
 class NullGameObjectAI : public GameObjectAI

src/server/game/DungeonFinding/LFGMgr.cpp

@@ -2655,13 +2655,13 @@ namespace lfg
     {
         switch (dungeonId)
         {
-            case 285: // The Headless Horseman
+            case LFG_DUNGEON_HEADLESS_HORSEMAN:
                 return IsHolidayActive(HOLIDAY_HALLOWS_END);
-            case 286: // The Frost Lord Ahune
+            case LFG_DUNGEON_FROST_LORD_AHUNE:
                 return IsHolidayActive(HOLIDAY_FIRE_FESTIVAL);
-            case 287: // Coren Direbrew
+            case LFG_DUNGEON_COREN_DIREBREW:
                 return IsHolidayActive(HOLIDAY_BREWFEST);
-            case 288: // The Crown Chemical Co.
+            case LFG_DUNGEON_CROWN_CHEMICAL_CO:
                 return IsHolidayActive(HOLIDAY_LOVE_IS_IN_THE_AIR);
         }
         return false;

src/server/game/DungeonFinding/LFGMgr.h

@@ -140,6 +140,14 @@ namespace lfg
         LFG_UPDATE_FLAG_BINDED        = 0x80
     };
 
+    enum LfgSeasonalDungeons
+    {
+        LFG_DUNGEON_HEADLESS_HORSEMAN   = 285,
+        LFG_DUNGEON_FROST_LORD_AHUNE    = 286,
+        LFG_DUNGEON_COREN_DIREBREW      = 287,
+        LFG_DUNGEON_CROWN_CHEMICAL_CO   = 288
+    };
+
     struct RBEntryInfo
     {
         RBEntryInfo() {}

src/server/game/Entities/Object/Object.cpp

@@ -23,6 +23,7 @@
 #include "Creature.h"
 #include "DynamicTree.h"
 #include "DynamicVisibility.h"
+#include "GameObjectAI.h"
 #include "GridNotifiers.h"
 #include "Log.h"
 #include "MapMgr.h"
@@ -1673,6 +1674,11 @@ bool WorldObject::CanSeeOrDetect(WorldObject const* obj, bool ignoreStealth, boo
         if (cObj->IsAIEnabled && this->ToPlayer() && !cObj->AI()->CanBeSeen(this->ToPlayer()))
             return false;
 
+    // Gameobject scripts
+    if (GameObject const* goObj = obj->ToGameObject())
+        if (this->ToPlayer() && !goObj->AI()->CanBeSeen(this->ToPlayer()))
+            return false;
+
     // pussywizard: arena spectator
     if (obj->GetTypeId() == TYPEID_PLAYER)
         if (((const Player*)obj)->IsSpectator() && ((const Player*)obj)->FindMap()->IsBattleArena())

src/server/scripts/Events/brewfest.cpp

@@ -1753,6 +1753,17 @@ public:
             }
         }
 
+        bool CanBeSeen(Player const* player) override
+        {
+            if (player->IsGameMaster())
+            {
+                return true;
+            }
+
+            Group const* group = player->GetGroup();
+            return group && sLFGMgr->GetDungeon(group->GetGUID()) == lfg::LFG_DUNGEON_COREN_DIREBREW;
+        }
+
         void Reset() override
         {
             _events.Reset();

src/server/scripts/Events/hallows_end.cpp

@@ -16,6 +16,7 @@
  */
 
 #include "CellImpl.h"
+#include "GameObjectAI.h"
 #include "GossipDef.h"
 #include "GridNotifiers.h"
 #include "Group.h"
@@ -987,7 +988,7 @@ public:
 
             Map::PlayerList const& players = me->GetMap()->GetPlayers();
             if (!players.isEmpty() && players.begin()->GetSource() && players.begin()->GetSource()->GetGroup())
-                sLFGMgr->FinishDungeon(players.begin()->GetSource()->GetGroup()->GetGUID(), 285, me->FindMap());
+                sLFGMgr->FinishDungeon(players.begin()->GetSource()->GetGroup()->GetGUID(), lfg::LFG_DUNGEON_HEADLESS_HORSEMAN, me->FindMap());
         }
 
         void KilledUnit(Unit*  /*who*/) override
@@ -1428,6 +1429,27 @@ public:
 
         return true;
     }
+
+    struct go_loosely_turned_soilAI : public GameObjectAI
+    {
+        go_loosely_turned_soilAI(GameObject* gameObject) : GameObjectAI(gameObject) { }
+
+        bool CanBeSeen(Player const* player) override
+        {
+            if (player->IsGameMaster())
+            {
+                return true;
+            }
+
+            Group const* group = player->GetGroup();
+            return group && sLFGMgr->GetDungeon(group->GetGUID()) == lfg::LFG_DUNGEON_HEADLESS_HORSEMAN;
+        }
+    };
+
+    GameObjectAI* GetAI(GameObject* go) const override
+    {
+        return new go_loosely_turned_soilAI(go);
+    }
 };
 
 void AddSC_event_hallows_end_scripts()

src/server/scripts/Events/love_in_air.cpp

@@ -345,6 +345,17 @@ public:
         EventMap events;
         uint32 speachTimer;
 
+        bool CanBeSeen(Player const* player) override
+        {
+            if (player->IsGameMaster())
+            {
+                return true;
+            }
+
+            Group const* group = player->GetGroup();
+            return group && sLFGMgr->GetDungeon(group->GetGUID()) == lfg::LFG_DUNGEON_CROWN_CHEMICAL_CO;
+        }
+
         void Reset() override
         {
             speachTimer = 0;
@@ -366,7 +377,7 @@ public:
             me->AI()->Talk(SAY_HUMMEL_5);
             Map::PlayerList const& players = me->GetMap()->GetPlayers();
             if (!players.isEmpty() && players.begin()->GetSource() && players.begin()->GetSource()->GetGroup())
-                sLFGMgr->FinishDungeon(players.begin()->GetSource()->GetGroup()->GetGUID(), 288, me->FindMap());
+                sLFGMgr->FinishDungeon(players.begin()->GetSource()->GetGroup()->GetGUID(), lfg::LFG_DUNGEON_CROWN_CHEMICAL_CO, me->FindMap());
         }
 
         void JustSummoned(Creature* cr) override
@@ -481,6 +492,17 @@ public:
 
         EventMap events;
 
+        bool CanBeSeen(Player const* player) override
+        {
+            if (player->IsGameMaster())
+            {
+                return true;
+            }
+
+            Group const* group = player->GetGroup();
+            return group && sLFGMgr->GetDungeon(group->GetGUID()) == lfg::LFG_DUNGEON_CROWN_CHEMICAL_CO;
+        }
+
         void Reset() override
         {
         }

src/server/scripts/Outland/CoilfangReservoir/SlavePens/boss_ahune.cpp

@@ -105,6 +105,17 @@ public:
         SummonList summons;
         ObjectGuid InvokerGUID;
 
+        bool CanBeSeen(Player const* player) override
+        {
+            if (player->IsGameMaster())
+            {
+                return true;
+            }
+
+            Group const* group = player->GetGroup();
+            return group && sLFGMgr->GetDungeon(group->GetGUID()) == lfg::LFG_DUNGEON_FROST_LORD_AHUNE;
+        }
+
         void StartPhase1()
         {
             me->CastSpell(me, SPELL_AHUNES_SHIELD, true);
@@ -300,7 +311,7 @@ public:
                         if (player->GetGroup() && !finished)
                         {
                             finished = true;
-                            sLFGMgr->FinishDungeon(player->GetGroup()->GetGUID(), 286, me->FindMap());
+                            sLFGMgr->FinishDungeon(player->GetGroup()->GetGUID(), lfg::LFG_DUNGEON_FROST_LORD_AHUNE, me->FindMap());
                         }
                     }
         }