- registration obstacle in game object

- creation obstacle on object replication (including navmesh object)
- creation object transform for navigation mesh directly from blender object instead of using SGNode world transform (because SGNode doesn't exists yet when building navmesh  on ProcessReplica)

1 files changed, 5 insertions, 2 deletions

diff --git a/source/gameengine/Ketsji/KX_SteeringActuator.cpp b/source/gameengine/Ketsji/KX_SteeringActuator.cpp
index 04f01b01751..786c52413c9 100644
--- a/source/gameengine/Ketsji/KX_SteeringActuator.cpp
+++ b/source/gameengine/Ketsji/KX_SteeringActuator.cpp
@@ -105,13 +105,13 @@ bool KX_SteeringActuator::UnlinkObject(SCA_IObject* clientobj)
 {
 	if (clientobj == m_target)
 	{
-		// this object is being deleted, we cannot continue to track it.
+		// this object is being deleted, we cannot continue to use it.
 		m_target = NULL;
 		return true;
 	}
 	else if (clientobj == m_navmesh)
 	{
-		// this object is being deleted, we cannot continue to track it.
+		// this object is being deleted, we cannot continue to useit.
 		m_navmesh = NULL;
 		return true;
 	}
@@ -159,6 +159,9 @@ bool KX_SteeringActuator::Update(double curtime, bool frame)
 		if (bNegativeEvent || !delta)
 			return false; // do nothing on negative events
 
+		if (!m_target)
+			return false;
+
 		KX_GameObject *obj = (KX_GameObject*) GetParent();
 		const MT_Point3& mypos = obj->NodeGetWorldPosition();
 		const MT_Point3& targpos = m_target->NodeGetWorldPosition();