experimental function. Results still too volatile to be usefull

OpenSim/Region/Framework/Scenes/SceneObjectPart.cs

@@ -5408,5 +5408,24 @@ SendFullUpdateToClient(remoteClient, Position) ignores position parameter
             Acceleration = Vector3.Zero;
             APIDActive = false;
         }
+
+        // handle osVolumeDetect
+        public void ScriptSetVolumeDetect(bool makeVolumeDetect)
+        {
+            if(_parentID == 0)
+            {
+                // if root prim do it via SOG
+                ParentGroup.ScriptSetVolumeDetect(makeVolumeDetect);
+                return;
+            }
+
+            bool wasUsingPhysics = ((Flags & PrimFlags.Physics) != 0);
+            bool wasTemporary = ((Flags & PrimFlags.TemporaryOnRez) != 0);
+            bool wasPhantom = ((Flags & PrimFlags.Phantom) != 0);
+
+            if(PhysActor != null)
+                PhysActor.Building = true;
+            UpdatePrimFlags(wasUsingPhysics,wasTemporary,wasPhantom,makeVolumeDetect,false);
+        }
     }
 }

OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs

@@ -4279,5 +4279,17 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             else
                  m_host.CollisionSoundType = -1;
         }
+
+        // still not very usefull, detector is lost on rez, restarts, etc
+        public void osVolumeDetect(int detect)
+        {
+            m_host.AddScriptLPS(1);
+
+            if (m_host.ParentGroup == null || m_host.ParentGroup.IsDeleted || m_host.ParentGroup.IsAttachment)
+                return;
+
+            m_host.ScriptSetVolumeDetect(detect != 0);
+        }
+
     }
 }

OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs

@@ -477,5 +477,6 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Interfaces
         LSL_String osRequestURL(LSL_List options);
         LSL_String osRequestSecureURL(LSL_List options);
         void osCollisionSound(string impact_sound, double impact_volume);
+        void osVolumeDetect(int detect);
     }
 }

OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs

@@ -1094,11 +1094,10 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
         {
             m_OSSL_Functions.osCollisionSound(impact_sound, impact_volume);
         }
-/*
+
         public void osVolumeDetect(int detect)
         {
             m_OSSL_Functions.osVolumeDetect(detect);
         }
-*/
     }
 }