From c7f5696479bb85c8fc7ee0d9fdaeb92e2b32213f Mon Sep 17 00:00:00 2001
From: Jason Dove <1695733+jasongdove@users.noreply.github.com>
Date: Tue, 8 Jul 2025 22:26:37 +0000
Subject: Core/Scenarios: Allow scripts to set instance scenario by id (#31104)

* add example at Stratholme service entrance
---
 src/server/game/Maps/Map.cpp | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

(limited to 'src/server/game/Maps/Map.cpp')

diff --git a/src/server/game/Maps/Map.cpp b/src/server/game/Maps/Map.cpp
index 41d19ba4e4c..2382850e9f8 100644
--- a/src/server/game/Maps/Map.cpp
+++ b/src/server/game/Maps/Map.cpp
@@ -2809,7 +2809,7 @@ template TC_GAME_API void Map::RemoveFromMap(Conversation*, bool);
 InstanceMap::InstanceMap(uint32 id, time_t expiry, uint32 InstanceId, Difficulty SpawnMode, TeamId InstanceTeam, InstanceLock* instanceLock,
     Optional<uint32> lfgDungeonsId)
   : Map(id, expiry, InstanceId, SpawnMode),
-    i_data(nullptr), i_script_id(0), i_scenario(nullptr), i_instanceLock(instanceLock), i_lfgDungeonsId(lfgDungeonsId)
+    i_data(nullptr), i_script_id(0), i_instanceLock(instanceLock), i_lfgDungeonsId(lfgDungeonsId)
 {
     //lets initialize visibility distance for dungeons
     InstanceMap::InitVisibilityDistance();
@@ -2834,7 +2834,6 @@ InstanceMap::~InstanceMap()
         i_instanceLock->SetInUse(false);
 
     delete i_data;
-    delete i_scenario;
 }
 
 void InstanceMap::InitVisibilityDistance()
@@ -3081,6 +3080,23 @@ std::string const& InstanceMap::GetScriptName() const
     return sObjectMgr->GetScriptName(i_script_id);
 }
 
+void InstanceMap::SetInstanceScenario(InstanceScenario* scenario)
+{
+    i_scenario.reset(); // sends exit packets to all players
+
+    if (scenario)
+    {
+        i_scenario.reset(scenario);
+
+        scenario->LoadInstanceData();
+
+        DoOnPlayers([scenario](Player* player)
+        {
+            scenario->OnPlayerEnter(player);
+        });
+    }
+}
+
 void InstanceMap::UpdateInstanceLock(UpdateBossStateSaveDataEvent const& updateSaveDataEvent)
 {
     if (i_instanceLock)
-- 
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