Core/SpellScripts: Added helper method to validate spells

src/server/game/Spells/SpellScript.cpp

@@ -18,6 +18,7 @@
 #include "Spell.h"
 #include "ScriptMgr.h"
 #include "SpellAuras.h"
+#include "SpellMgr.h"
 #include "SpellScript.h"
 
 #include <string>
@@ -32,6 +33,17 @@ bool _SpellScript::_Validate(SpellInfo const* entry)
     return true;
 }
 
+bool _SpellScript::ValidateSpellInfo(std::vector<uint32> spellIds)
+{
+    for (uint32 spellId : spellIds)
+        if (!sSpellMgr->GetSpellInfo(spellId))
+        {
+            TC_LOG_ERROR("scripts.spells", "_SpellScript::ValidateSpellInfo: Spell %u does not exist.", spellId);
+            return false;
+        }
+    return true;
+}
+
 void _SpellScript::_Register()
 {
     m_currentScriptState = SPELL_SCRIPT_STATE_REGISTRATION;

src/server/game/Spells/SpellScript.h

@@ -132,6 +132,8 @@ class TC_GAME_API _SpellScript
         // Function called when script is destroyed
         // use for: deallocating memory allocated by script
         virtual void Unload() { }
+        // Helpers
+        static bool ValidateSpellInfo(std::vector<uint32> spellIds);
 };
 
 // SpellScript interface - enum used for runtime checks of script function calls