Core/Instance: add new method

(cherry picked from commit 14788ce026b660fe14207fa8865df4604050eb2b)

2 files changed, 30 insertions, 0 deletions

diff --git a/src/server/game/Instances/InstanceScript.cpp b/src/server/game/Instances/InstanceScript.cpp
index cbfa17dbf48..5779316b6c9 100644
--- a/src/server/game/Instances/InstanceScript.cpp
+++ b/src/server/game/Instances/InstanceScript.cpp
@@ -743,6 +743,35 @@ void InstanceScript::DoCastSpellOnPlayers(uint32 spell, bool includePets /*= fal
     }
 }
 
+void InstanceScript::DoCastSpellOnPlayer(Player* player, uint32 spell, bool includePets /*= false*/, bool includeControlled /*= false*/)
+{
+    if (!player)
+        return;
+
+    player->CastSpell(player, spell, true);
+
+    if (!includePets)
+        return;
+
+    for (uint8 itr2 = 0; itr2 < MAX_SUMMON_SLOT; ++itr2)
+    {
+        ObjectGuid summonGUID = player->m_SummonSlot[itr2];
+        if (!summonGUID.IsEmpty())
+            if (Creature* summon = instance->GetCreature(summonGUID))
+                summon->CastSpell(player, spell, true);
+    }
+
+    if (!includeControlled)
+        return;
+
+    for (auto itr2 = player->m_Controlled.begin(); itr2 != player->m_Controlled.end(); ++itr2)
+    {
+        if (Unit* controlled = *itr2)
+            if (controlled->IsInWorld() && controlled->GetTypeId() == TYPEID_UNIT)
+                controlled->CastSpell(player, spell, true);
+    }
+}
+
 bool InstanceScript::ServerAllowsTwoSideGroups()
 {
     return sWorld->getBoolConfig(CONFIG_ALLOW_TWO_SIDE_INTERACTION_GROUP);
diff --git a/src/server/game/Instances/InstanceScript.h b/src/server/game/Instances/InstanceScript.h
index 20723a6e723..129894847f2 100644
--- a/src/server/game/Instances/InstanceScript.h
+++ b/src/server/game/Instances/InstanceScript.h
@@ -234,6 +234,7 @@ class TC_GAME_API InstanceScript : public ZoneScript
 
         // Cast spell on all players in instance
         void DoCastSpellOnPlayers(uint32 spell, bool includePets = false, bool includeControlled = false);
+        void DoCastSpellOnPlayer(Player* player, uint32 spell, bool includePets = false, bool includeControlled = false);
 
         // Return wether server allow two side groups or not
         static bool ServerAllowsTwoSideGroups();