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

Closes #15734

2 files changed, 16 insertions, 0 deletions

diff --git a/src/server/game/Scripting/ScriptMgr.cpp b/src/server/game/Scripting/ScriptMgr.cpp
index f04f288a828..3e19033ef1d 100644
--- a/src/server/game/Scripting/ScriptMgr.cpp
+++ b/src/server/game/Scripting/ScriptMgr.cpp
@@ -1559,6 +1559,17 @@ bool ScriptMgr::OnItemRemove(Player* player, Item* item)
     return tmpscript->OnRemove(player, item);
 }
 
+bool ScriptMgr::OnCastItemCombatSpell(Player* player, Unit* victim, SpellInfo const* spellInfo, Item* item)
+{
+    ASSERT(player);
+    ASSERT(victim);
+    ASSERT(spellInfo);
+    ASSERT(item);
+
+    GET_SCRIPT_RET(ItemScript, item->GetScriptId(), tmpscript, true);
+    return tmpscript->OnCastItemCombatSpell(player, victim, spellInfo, item);
+}
+
 bool ScriptMgr::OnDummyEffect(Unit* caster, uint32 spellId, SpellEffIndex effIndex, Creature* target)
 {
     ASSERT(caster);
diff --git a/src/server/game/Scripting/ScriptMgr.h b/src/server/game/Scripting/ScriptMgr.h
index c47c75f3a9a..10df2ecf970 100644
--- a/src/server/game/Scripting/ScriptMgr.h
+++ b/src/server/game/Scripting/ScriptMgr.h
@@ -53,6 +53,7 @@ class Player;
 class Quest;
 class ScriptMgr;
 class Spell;
+class SpellInfo;
 class SpellScript;
 class SpellCastTargets;
 class Transport;
@@ -378,6 +379,9 @@ 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
@@ -955,6 +959,7 @@ class TC_GAME_API ScriptMgr
         bool OnItemUse(Player* player, Item* item, SpellCastTargets const& targets);
         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 */