Core/Scripting: Fix loading of spell/aurascripts

* Broken since 9cc97f226d
* There is still a crash when using lazy unloading which I
  will fix in a later commit (this commit should fix at least
  the static build and normal usage of the dynamic build).
* Closes #16948

src/server/game/Globals/ObjectMgr.cpp

@@ -5282,7 +5282,10 @@ void ObjectMgr::ValidateSpellScripts()
                     spellScript->_Register();
 
                     if (!spellScript->_Validate(spellEntry))
+                    {
                         itr->second.second = false;
+                        continue;
+                    }
                 }
 
                 if (auraScript)
@@ -5291,9 +5294,17 @@ void ObjectMgr::ValidateSpellScripts()
                     auraScript->_Register();
 
                     if (!auraScript->_Validate(spellEntry))
+                    {
                         itr->second.second = false;
+                        continue;
+                    }
                 }
+
+                // Enable the script when all checks passed
+                itr->second.second = true;
             }
+            else
+                itr->second.second = false;
         }
     }
 

src/server/game/Globals/ObjectMgr.h

@@ -368,7 +368,7 @@ struct ScriptInfo
 
 typedef std::multimap<uint32, ScriptInfo> ScriptMap;
 typedef std::map<uint32, ScriptMap > ScriptMapMap;
-typedef std::multimap<uint32 /*spell id*/, std::pair<uint32 /*script id*/, bool /*disabled*/>> SpellScriptsContainer;
+typedef std::multimap<uint32 /*spell id*/, std::pair<uint32 /*script id*/, bool /*enabled*/>> SpellScriptsContainer;
 typedef std::pair<SpellScriptsContainer::iterator, SpellScriptsContainer::iterator> SpellScriptsBounds;
 TC_GAME_API extern ScriptMapMap sSpellScripts;
 TC_GAME_API extern ScriptMapMap sEventScripts;

src/server/game/Scripting/ScriptMgr.cpp

@@ -296,7 +296,7 @@ public:
     virtual void BeforeReleaseContext(std::string const& /*context*/) { }
 
     /// Called before SwapContext
-    virtual void BeforeSwapContext() { }
+    virtual void BeforeSwapContext(bool /*initialize*/) { }
 
     /// Called before Unload
     virtual void BeforeUnload() { }
@@ -482,8 +482,12 @@ public:
         ids_removed_.insert(ids_to_remove.begin(), ids_to_remove.end());
     }
 
-    void BeforeSwapContext() final override
+    void BeforeSwapContext(bool initialize) override
     {
+        // Never swap creature or gameobject scripts when initializing
+        if (initialize)
+            return;
+
         // Add the recently added scripts to the deleted scripts to replace
         // default AI's with recently added core scripts.
         ids_removed_.insert(static_cast<Base*>(this)->GetRecentlyAddedScriptIDs().begin(),
@@ -566,9 +570,10 @@ public:
         }
     }
 
-    void BeforeSwapContext() final override
+    void BeforeSwapContext(bool initialize) override
     {
-        if (swapped)
+        // Never swap outdoor pvp scripts when initializing
+        if ((!initialize) && swapped)
         {
             sOutdoorPvPMgr->InitOutdoorPvP();
             swapped = false;
@@ -599,7 +604,7 @@ public:
             swapped = true;
     }
 
-    void BeforeSwapContext() final override
+    void BeforeSwapContext(bool initialize) override
     {
         swapped = false;
     }
@@ -629,7 +634,7 @@ public:
             swapped = true;
     }
 
-    void BeforeSwapContext() final override
+    void BeforeSwapContext(bool initialize) override
     {
         if (swapped)
         {
@@ -683,8 +688,7 @@ public:
 
     void SwapContext(bool initialize) final override
     {
-      if (!initialize)
-          this->BeforeSwapContext();
+      this->BeforeSwapContext(initialize);
 
       _recently_added_ids.clear();
     }
@@ -813,7 +817,7 @@ public:
         ChatHandler::invalidateCommandTable();
     }
 
-    void BeforeSwapContext() final override
+    void BeforeSwapContext(bool /*initialize*/) override
     {
         ChatHandler::invalidateCommandTable();
     }
@@ -846,9 +850,9 @@ public:
         _scripts.erase(context);
     }
 
-    void SwapContext(bool) final override
+    void SwapContext(bool initialize) final override
     {
-        this->BeforeSwapContext();
+        this->BeforeSwapContext(initialize);
     }
 
     void RemoveUsedScriptsFromContainer(std::unordered_set<std::string>& scripts) final override
@@ -1159,10 +1163,10 @@ void CreateSpellOrAuraScripts(uint32 spellId, std::list<T*>& scriptVector, F&& e
     for (SpellScriptsContainer::iterator itr = bounds.first; itr != bounds.second; ++itr)
     {
         // When the script is disabled continue with the next one
-        if (itr->second.second)
+        if (!itr->second.second)
             continue;
 
-        SpellScriptLoader* tmpscript = ScriptRegistry<SpellScriptLoader>::Instance()->GetScriptById(itr->second.first);
+        SpellScriptLoader* tmpscript = sScriptMgr->GetSpellScriptLoader(itr->second.first);
         if (!tmpscript)
             continue;