Core/Movement: Speed Limit for Spline (#22494)

* Limited speed

(cherry picked from commit 0dd3f0497dcb8c8dd8bed15916a8ca036b67673b)

1 files changed, 14 insertions, 0 deletions

diff --git a/src/server/game/Movement/Spline/MoveSplineInit.cpp b/src/server/game/Movement/Spline/MoveSplineInit.cpp
index efe2b820de7..a42e9504184 100644
--- a/src/server/game/Movement/Spline/MoveSplineInit.cpp
+++ b/src/server/game/Movement/Spline/MoveSplineInit.cpp
@@ -109,6 +109,20 @@ namespace Movement
             args.velocity = unit->GetSpeed(SelectSpeedType(moveFlagsForSpeed));
         }
 
+        // limit the speed in the same way the client does
+        float speedLimit = [&]()
+        {
+            if (args.flags.unknown0x20000000)
+                return std::numeric_limits<float>::max();
+
+            if (args.flags.falling || args.flags.catmullrom || args.flags.flying || args.flags.parabolic)
+                return 50.0f;
+
+            return std::max(28.0f, unit->GetSpeed(MOVE_RUN) * 4.0f);
+        }();
+
+        args.velocity = std::min(args.velocity, speedLimit);
+
         if (!args.Validate(unit))
             return 0;