feat(Module/Eluna): Add Support for Multistate

modules/CMakeLists.txt

@@ -59,7 +59,8 @@ function(ConfigureElunaModule moduleName)
   target_compile_options(game-interface
     INTERFACE
       -DAZEROTHCORE
-      -DWOTLK)
+      -DWOTLK
+      -DMOD_ELUNA)
 endfunction()
 
 # Set the MODULES_${SOURCE_MODULE} variables from the

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

@@ -52,6 +52,11 @@
 #include "World.h"
 #include "WorldPacket.h"
 
+#if defined(MOD_ELUNA)
+#include "LuaEngine.h"
+#include "ElunaConfig.h"
+#endif
+
 /// @todo: this import is not necessary for compilation and marked as unused by the IDE
 //  however, for some reasons removing it would cause a damn linking issue
 //  there is probably some underlying problem with imports which should properly addressed
@@ -3231,3 +3236,13 @@ void WorldObject::RemoveAllowedLooter(ObjectGuid guid)
 {
     _allowedLooters.erase(guid);
 }
+
+#if defined(MOD_ELUNA)
+Eluna* WorldObject::GetEluna() const
+{
+    if (const Map * map = FindMap())
+        return map->GetEluna();
+
+    return nullptr;
+}
+#endif

src/server/game/Entities/Object/Object.h

@@ -40,6 +40,9 @@
 #include "UpdateFields.h"
 
 class ElunaEventProcessor;
+#if defined(MOD_ELUNA)
+class Eluna;
+#endif
 
 enum TempSummonType
 {
@@ -630,6 +633,10 @@ class WorldObject : public Object, public WorldLocation
 
     std::string GetDebugInfo() const override;
 
+#if defined(MOD_ELUNA)
+    Eluna* GetEluna() const;
+#endif
+
     // Event handler
     ElunaEventProcessor* elunaEvents;
     EventProcessor m_Events;

src/server/game/Maps/Map.cpp

@@ -44,6 +44,12 @@
 #include "VMapMgr2.h"
 #include "Weather.h"
 
+#if defined(MOD_ELUNA)
+#include "LuaEngine.h"
+#include "ElunaConfig.h"
+#include "ElunaLoader.h"
+#endif
+
 union u_map_magic
 {
     char asChar[4];
@@ -64,6 +70,11 @@ ZoneDynamicInfo::ZoneDynamicInfo() : MusicId(0), WeatherId(WEATHER_STATE_FINE),
 
 Map::~Map()
 {
+#if defined(MOD_ELUNA)
+    delete eluna;
+    eluna = nullptr;
+#endif
+
     // UnloadAll must be called before deleting the map
 
     sScriptMgr->OnDestroyMap(this);
@@ -242,6 +253,16 @@ Map::Map(uint32 id, uint32 InstanceId, uint8 SpawnMode, Map* _parent) :
     _transportsUpdateIter(_transports.end()), i_scriptLock(false), _defaultLight(GetDefaultMapLight(id))
 {
     m_parentMap = (_parent ? _parent : this);
+
+    // lua state begins uninitialized
+#if defined(MOD_ELUNA)
+    eluna = nullptr;
+
+    if (sElunaConfig->IsElunaEnabled() && !sElunaConfig->IsElunaCompatibilityMode() && sElunaConfig->ShouldMapLoadEluna(id))
+        if (!IsParentMap() || (IsParentMap() && !Instanceable()))
+            eluna = new Eluna(this);
+#endif
+
     for (unsigned int idx = 0; idx < MAX_NUMBER_OF_GRIDS; ++idx)
     {
         for (unsigned int j = 0; j < MAX_NUMBER_OF_GRIDS; ++j)
@@ -2655,6 +2676,16 @@ void Map::AddObjectToRemoveList(WorldObject* obj)
 {
     ASSERT(obj->GetMapId() == GetId() && obj->GetInstanceId() == GetInstanceId());
 
+#if defined(MOD_ELUNA)
+    if (Eluna* E = GetEluna())
+    {
+        if (Creature* creature = obj->ToCreature())
+            E->OnRemove(creature);
+        else if (GameObject* gameobject = obj->ToGameObject())
+            E->OnRemove(gameobject);
+    }
+#endif
+
     obj->CleanupsBeforeDelete(false);                            // remove or simplify at least cross referenced links
 
     i_objectsToRemove.insert(obj);
@@ -4088,3 +4119,13 @@ std::string InstanceMap::GetDebugInfo() const
         << "ScriptId: " << GetScriptId() << " ScriptName: " << GetScriptName();
     return sstr.str();
 }
+
+#if defined(MOD_ELUNA)
+Eluna *Map::GetEluna() const
+{
+    if (sElunaConfig->IsElunaCompatibilityMode())
+        return sWorld->GetEluna();
+
+    return eluna;
+}
+#endif

src/server/game/Maps/Map.h

@@ -38,6 +38,10 @@
 #include <memory>
 #include <shared_mutex>
 
+#if defined(MOD_ELUNA)
+class Eluna;
+#endif
+
 class Unit;
 class WorldPacket;
 class InstanceScript;
@@ -380,6 +384,7 @@ class Map : public GridRefMgr<NGridType>
     static bool ExistVMap(uint32 mapid, int gx, int gy);
 
     [[nodiscard]] Map const* GetParent() const { return m_parentMap; }
+    bool IsParentMap() const { return GetParent() == this; }
 
     // pussywizard: movemaps, mmaps
     [[nodiscard]] std::shared_mutex& GetMMapLock() const { return *(const_cast<std::shared_mutex*>(&MMapLock)); }
@@ -656,6 +661,10 @@ class Map : public GridRefMgr<NGridType>
 
     virtual std::string GetDebugInfo() const;
 
+#if defined(MOD_ELUNA)
+    Eluna* GetEluna() const;
+#endif
+
 private:
     void LoadMapAndVMap(int gx, int gy);
     void LoadVMap(int gx, int gy);
@@ -802,6 +811,10 @@ class Map : public GridRefMgr<NGridType>
     std::unordered_set<Corpse*> _corpseBones;
 
     std::unordered_set<Object*> _updateObjects;
+
+#if defined(MOD_ELUNA)
+    Eluna* eluna;
+#endif
 };
 
 enum InstanceResetMethod

src/server/game/World/IWorld.h

@@ -25,6 +25,10 @@
 #include "SharedDefines.h"
 #include <unordered_map>
 
+#if defined(MOD_ELUNA)
+class Eluna;
+#endif
+
 class WorldPacket;
 class WorldSession;
 class Player;
@@ -612,6 +616,11 @@ class IWorld
     virtual void SetRealmName(std::string name) = 0;
     virtual void RemoveOldCorpses() = 0;
     virtual void DoForAllOnlinePlayers(std::function<void(Player*)> exec) = 0;
+
+#if defined(MOD_ELUNA)
+    Eluna* GetEluna() const { return eluna; }
+    Eluna* eluna;
+#endif
 };
 
 #endif //AZEROTHCORE_IWORLD_H

src/server/game/World/World.cpp

@@ -415,11 +415,11 @@ void World::LoadConfigSettings(bool reload)
             LOG_ERROR("server.loading", "World settings reload fail: can't read settings.");
             return;
         }
-
-        sLog->LoadFromConfig();
-        sMetric->LoadFromConfigs();
     }
 
+    sLog->LoadFromConfig();
+    sMetric->LoadFromConfigs();
+
     // Set realm id and enable db logging
     sLog->SetRealmId(realm.Id.Realm);
 

src/server/game/World/World.h

@@ -33,6 +33,10 @@
 #include <map>
 #include <unordered_map>
 
+#if defined(MOD_ELUNA)
+class Eluna;
+#endif
+
 class Object;
 class WorldPacket;
 class WorldSocket;
@@ -344,6 +348,11 @@ class World: public IWorld
 
     void DoForAllOnlinePlayers(std::function<void(Player*)> exec) override;
 
+#if defined(MOD_ELUNA)
+    Eluna* GetEluna() const { return eluna; }
+    Eluna* eluna;
+#endif
+
 protected:
     void _UpdateGameTime();
     // callback for UpdateRealmCharacters