Core/Script: add script hook to allow overriding of a vehicle passenger's exit position (#23322)

* Core/Script: add script hook to allow overriding of a vehicle passenger's exit position.

* Allow to change orientation, and fix nopch.

* Keep original orientation, thanks jackpoz!

* Update Unit.cpp

Code cleanup

* Update Unit.cpp

(cherry picked from commit 88c6c61b95ac2b2f911b519136770479d31de27d)

1 files changed, 13 insertions, 8 deletions

diff --git a/src/server/game/Entities/Unit/Unit.cpp b/src/server/game/Entities/Unit/Unit.cpp
index c4a62aecb66..c3e98c114c4 100644
--- a/src/server/game/Entities/Unit/Unit.cpp
+++ b/src/server/game/Entities/Unit/Unit.cpp
@@ -11906,18 +11906,23 @@ void Unit::_ExitVehicle(Position const* exitPosition)
 
     SetControlled(false, UNIT_STATE_ROOT);      // SMSG_MOVE_FORCE_UNROOT, ~MOVEMENTFLAG_ROOT
 
-    Position pos;
-    if (!exitPosition)                          // Exit position not specified
-        pos = vehicle->GetBase()->GetPosition();  // This should use passenger's current position, leaving it as it is now
-                                                // because we calculate positions incorrect (sometimes under map)
-    else
-        pos = *exitPosition;
-
     AddUnitState(UNIT_STATE_MOVE);
 
     if (player)
         player->SetFallInformation(0, GetPositionZ());
 
+    Position pos;
+    // If we ask for a specific exit position, use that one. Otherwise allow scripts to modify it
+    if (exitPosition)
+        pos = *exitPosition;
+    else
+    {
+        // Set exit position to vehicle position and use the current orientation
+        pos = vehicle->GetBase()->GetPosition();
+        pos.SetOrientation(GetOrientation());
+        sScriptMgr->ModifyVehiclePassengerExitPos(this, vehicle, pos);
+    }
+
     float height = pos.GetPositionZ() + vehicle->GetBase()->GetCollisionHeight();
 
     Movement::MoveSplineInit init(this);
@@ -11927,7 +11932,7 @@ void Unit::_ExitVehicle(Position const* exitPosition)
         init.SetFall();
 
     init.MoveTo(pos.GetPositionX(), pos.GetPositionY(), height, false);
-    init.SetFacing(GetOrientation());
+    init.SetFacing(pos.GetOrientation());
     init.SetTransportExit();
     GetMotionMaster()->LaunchMoveSpline(std::move(init), EVENT_VEHICLE_EXIT, MOTION_PRIORITY_HIGHEST);