Core/Scripts: fix Nightfall proc chance and reduce it for victims with level above 60

Closes #15734

(cherrypicked from eac9c1f0b992fd3622fd7dd864b2acc2781ec778)

1 files changed, 5 insertions, 0 deletions

diff --git a/src/server/game/Scripting/ScriptMgr.h b/src/server/game/Scripting/ScriptMgr.h
index fae7e67ba47..04bc939918b 100644
--- a/src/server/game/Scripting/ScriptMgr.h
+++ b/src/server/game/Scripting/ScriptMgr.h
@@ -52,6 +52,7 @@ class Player;
 class Quest;
 class ScriptMgr;
 class Spell;
+class SpellInfo;
 class SpellScript;
 class SpellCastTargets;
 class Transport;
@@ -388,6 +389,9 @@ class TC_GAME_API ItemScript : public ScriptObject
 
         // Called when the item is destroyed.
         virtual bool OnRemove(Player* /*player*/, Item* /*item*/) { return false; }
+
+        // Called before casting a combat spell from this item (chance on hit spells of item template, can be used to prevent cast if returning false)
+        virtual bool OnCastItemCombatSpell(Player* /*player*/, Unit* /*victim*/, SpellInfo const* /*spellInfo*/, Item* /*item*/) { return true; }
 };
 
 class TC_GAME_API UnitScript : public ScriptObject
@@ -1028,6 +1032,7 @@ class TC_GAME_API ScriptMgr
         bool OnItemUse(Player* player, Item* item, SpellCastTargets const& targets, ObjectGuid castId);
         bool OnItemExpire(Player* player, ItemTemplate const* proto);
         bool OnItemRemove(Player* player, Item* item);
+        bool OnCastItemCombatSpell(Player* player, Unit* victim, SpellInfo const* spellInfo, Item* item);
 
     public: /* CreatureScript */