6 files changed, 332 insertions, 10 deletions

diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
index 9ae8dfb..c1b5781 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
@@ -329,6 +329,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         private Prioritizer m_prioritizer;
         private bool m_disableFacelights = false;
 
+        private const uint MaxTransferBytesPerPacket = 600;
+
+
         /// <value>
         /// List used in construction of data blocks for an object update packet.  This is to stop us having to
         /// continually recreate it.
@@ -2738,7 +2741,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             else
             {
                 int processedLength = 0;
-                int maxChunkSize = Settings.MAX_PACKET_SIZE - 100;
+//                int maxChunkSize = Settings.MAX_PACKET_SIZE - 100;
+
+                int maxChunkSize = (int) MaxTransferBytesPerPacket;
                 int packetNumber = 0;
 
                 while (processedLength < req.AssetInf.Data.Length)
@@ -12205,7 +12210,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         /// <returns></returns>
         private static int CalculateNumPackets(byte[] data)
         {
-            const uint m_maxPacketSize = 600;
+//            const uint m_maxPacketSize = 600;
+            uint m_maxPacketSize = MaxTransferBytesPerPacket;
             int numPackets = 1;
 
             if (data == null)
diff --git a/OpenSim/Region/Framework/Scenes/CollisionSounds.cs b/OpenSim/Region/Framework/Scenes/CollisionSounds.cs
new file mode 100644
index 0000000..5d43027
--- /dev/null
+++ b/OpenSim/Region/Framework/Scenes/CollisionSounds.cs
@@ -0,0 +1,271 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+// Ubit 2012
+
+using System;
+using System.Collections.Generic;
+using OpenMetaverse;
+using OpenSim.Framework;
+
+namespace OpenSim.Region.Framework.Scenes
+{
+    public static class CollisionSounds
+    {
+    // defines for cases
+    // only know one UUID for now (woodflesh)
+
+        private const int MaxMaterials = 7;
+        // part part
+        private static UUID snd_StoneStone = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_StoneMetal = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_StoneGlass = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_StoneWood  = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_StoneFlesh = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_StonePlastic = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_StoneRubber = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+
+        private static UUID  snd_MetalStone = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_MetalMetal = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_MetalGlass = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_MetalWood  = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_MetalFlesh = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_MetalPlastic = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_MetalRubber = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+
+        private static UUID  snd_GlassStone = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_GlassMetal = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_GlassGlass = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_GlassWood  = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_GlassFlesh = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_GlassPlastic = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_GlassRubber = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+
+        private static UUID  snd_WoodStone = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_WoodMetal = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_WoodGlass = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_WoodWood  = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_WoodFlesh = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_WoodPlastic = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_WoodRubber = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+
+        private static UUID  snd_FleshStone = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_FleshMetal = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_FleshGlass = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_FleshWood  = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_FleshFlesh = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_FleshPlastic = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_FleshRubber = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+
+        private static UUID  snd_PlasticStone = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_PlasticMetal = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_PlasticGlass = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_PlasticWood  = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_PlasticFlesh = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_PlasticPlastic = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID  snd_PlasticRubber = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+
+        private static UUID snd_RubberStone = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID snd_RubberMetal = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID snd_RubberGlass = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID snd_RubberWood = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID snd_RubberFlesh = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID snd_RubberPlastic = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID snd_RubberRubber = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+
+        // terrain part
+        private static UUID snd_TerrainStone = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID snd_TerrainMetal = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID snd_TerrainGlass = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID snd_TerrainWood = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID snd_TerrainFlesh = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID snd_TerrainPlastic = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+        private static UUID snd_TerrainRubber = new UUID("c80260ba-41fd-8a46-768a-6bf236360e3a");
+
+        public static UUID[] m_TerrainPart = {
+            snd_TerrainStone,
+            snd_TerrainMetal,
+            snd_TerrainGlass,
+            snd_TerrainWood,
+            snd_TerrainFlesh,
+            snd_TerrainPlastic,
+            snd_TerrainRubber
+            };
+
+        public static UUID[] m_PartPart = {
+            snd_StoneStone, snd_StoneMetal, snd_StoneGlass, snd_StoneWood, snd_StoneFlesh, snd_StonePlastic, snd_StoneRubber,
+            snd_MetalStone, snd_MetalMetal, snd_MetalGlass, snd_MetalWood, snd_MetalFlesh, snd_MetalPlastic, snd_MetalRubber,
+            snd_GlassStone, snd_GlassMetal, snd_GlassGlass, snd_GlassWood, snd_GlassFlesh, snd_GlassPlastic, snd_GlassRubber,
+            snd_WoodStone, snd_WoodMetal, snd_WoodGlass, snd_WoodWood, snd_WoodFlesh, snd_WoodPlastic, snd_WoodRubber,
+            snd_FleshStone, snd_FleshMetal, snd_FleshGlass, snd_FleshWood, snd_FleshFlesh, snd_FleshPlastic, snd_FleshRubber,
+            snd_PlasticStone, snd_PlasticMetal, snd_PlasticGlass, snd_PlasticWood, snd_PlasticFlesh, snd_PlasticPlastic, snd_PlasticRubber,
+            snd_RubberStone, snd_RubberMetal, snd_RubberGlass, snd_RubberWood, snd_RubberFlesh, snd_RubberPlastic, snd_RubberRubber
+            };
+
+        public static void PartCollisionSound(SceneObjectPart part,List<uint> Colliders)
+        {
+            if(Colliders.Count == 0 || part == null)
+                return;
+
+            if (part.VolumeDetectActive || (part.Flags & PrimFlags.Physics) == 0)
+                return;
+
+            if (part.ParentGroup == null)
+                return;
+
+            if (part.CollisionSound == part.invalidCollisionSoundUUID)
+                return;
+
+            UUID soundID;
+            int otherMaterial;
+
+            Vector3 position = part.AbsolutePosition;
+
+            if (part.CollisionSound != UUID.Zero)
+            {
+                if (part.CollisionSoundVolume > 0.0f)
+                    part.SendCollisionSound(part.CollisionSound, part.CollisionSoundVolume, position);
+                return;
+            }
+
+            int thisMaterial = (int) part.Material;
+            if (thisMaterial >= MaxMaterials)
+                thisMaterial = 3;
+
+            int thisMatScaled = thisMaterial * MaxMaterials;
+            int index;
+
+            bool doneownsound = false;
+
+            foreach (uint Id in Colliders)
+            {
+                if (Id == 0)
+                    {
+                        if (!doneownsound)
+                        {
+                            soundID = m_TerrainPart[thisMaterial];
+                            part.SendCollisionSound(soundID, 1.0, position);
+                            doneownsound = true;
+                        }
+                        continue;
+                    }
+
+                SceneObjectPart otherPart = part.ParentGroup.Scene.GetSceneObjectPart(Id);
+                if (otherPart != null)
+                {
+                    if (otherPart.CollisionSound == part.invalidCollisionSoundUUID || otherPart.VolumeDetectActive)
+                        continue;
+                    if (otherPart.CollisionSound != UUID.Zero)
+                        otherPart.SendCollisionSound(otherPart.CollisionSound, otherPart.CollisionSoundVolume, position);
+                    else
+                    {
+                        otherMaterial = (int)otherPart.Material;
+                        if (otherMaterial >= MaxMaterials)
+                            otherMaterial = 3;
+                        index = thisMatScaled + otherMaterial;
+                        soundID = m_PartPart[index];
+                        if (doneownsound)
+                            otherPart.SendCollisionSound(soundID, 1.0, position);
+                        else
+                        {
+                            part.SendCollisionSound(soundID, 1.0, position);
+                            doneownsound = true;
+                        }
+                    }
+                }
+/* avatars get notification let them trigger the sound
+                else if (!doneownsound)
+                {
+                    ScenePresence av = part.ParentGroup.Scene.GetScenePresence(Id);
+                    if (av != null && (!av.IsChildAgent))
+                    {
+                        index = thisMatScaled + 4; // flesh
+                        soundID = m_PartPart[index];
+                        part.SendCollisionSound(soundID, 1.0);
+                        doneownsound = true;
+                    }
+                }
+ */
+            }
+        }
+
+        public static void AvatarCollisionSound(ScenePresence av, List<uint> Colliders)
+        {
+            if (Colliders.Count == 0 || av == null)
+                return;
+
+            UUID soundID;
+            int otherMaterial;
+
+            int thisMaterial = 3;
+
+            int thisMatScaled = thisMaterial * MaxMaterials;
+            int index;
+//            bool doneownsound = false;
+
+            Vector3 position = av.AbsolutePosition;
+
+            foreach (uint Id in Colliders)
+            {
+                if (Id == 0)
+                {
+                    continue;
+                }
+
+                SceneObjectPart otherPart = av.Scene.GetSceneObjectPart(Id);
+                if (otherPart != null)
+                {
+                    if (otherPart.CollisionSound == otherPart.invalidCollisionSoundUUID)
+                        continue;
+                    if (otherPart.CollisionSound != UUID.Zero)
+                        otherPart.SendCollisionSound(otherPart.CollisionSound, otherPart.CollisionSoundVolume, position);
+                    else
+                    {
+                        otherMaterial = (int)otherPart.Material;
+                        if (otherMaterial >= MaxMaterials)
+                            otherMaterial = 3;
+                        index = thisMatScaled + otherMaterial;
+                        soundID = m_PartPart[index];
+                        otherPart.SendCollisionSound(soundID, 1.0, position);
+                    }
+                }
+/*
+                else if (!doneownsound)
+                {
+                    ScenePresence otherav = av.Scene.GetScenePresence(Id);
+                    if (otherav != null && (!otherav.IsChildAgent))
+                    {
+                        soundID = snd_FleshFlesh;
+                        av.SendCollisionSound(soundID, 1.0);
+                        doneownsound = true;
+                    }
+                }
+ */
+            }
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index a1f434e..221a32b 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -188,6 +188,7 @@ namespace OpenSim.Region.Framework.Scenes
 
         public double SoundRadius;
 
+
         public uint TimeStampFull;
 
         public uint TimeStampLastActivity; // Will be used for AutoReturn
@@ -332,6 +333,8 @@ namespace OpenSim.Region.Framework.Scenes
         private UUID m_collisionSound;
         private float m_collisionSoundVolume;
 
+        private DateTime LastColSoundSentTime; 
+
 
         private SOPVehicle m_vehicle = null;
 
@@ -371,6 +374,7 @@ namespace OpenSim.Region.Framework.Scenes
             // this appears to have the same UUID (!) as the prim.  If this isn't the case, one can't drag items from
             // the prim into an agent inventory (Linden client reports that the "Object not found for drop" in its log
             m_inventory = new SceneObjectPartInventory(this);
+            LastColSoundSentTime = DateTime.UtcNow;
         }
 
         /// <summary>
@@ -1347,11 +1351,13 @@ namespace OpenSim.Region.Framework.Scenes
             set { m_sitAnimation = value; }
         }
 
+        public UUID invalidCollisionSoundUUID = new UUID("ffffffff-ffff-ffff-ffff-ffffffffffff");
+
         public UUID CollisionSound
         {
             get { return m_collisionSound; }
             set
-            {
+            {           
                 m_collisionSound = value;
                 aggregateScriptEvents();
             }
@@ -2640,7 +2646,6 @@ namespace OpenSim.Region.Framework.Scenes
 
             else
             {
-
                 // calculate things that started colliding this time
                 // and build up list of colliders this time
                 foreach (uint localid in collissionswith.Keys)
@@ -2665,12 +2670,13 @@ namespace OpenSim.Region.Framework.Scenes
                 foreach (uint localID in endedColliders)
                     m_lastColliders.Remove(localID);
             }
+
             // play the sound.
 
             bool IsNotVolumeDtc = !VolumeDetectActive;
 
-            if (startedColliders.Count > 0 && CollisionSound != UUID.Zero && CollisionSoundVolume > 0.0f && IsNotVolumeDtc)
-                SendSound(CollisionSound.ToString(), CollisionSoundVolume, true, (byte)0, 0, false, false);
+            if (IsNotVolumeDtc && startedColliders.Count > 0 && CollisionSound != invalidCollisionSoundUUID)
+                CollisionSounds.PartCollisionSound(this, startedColliders);
 
             SendCollisionEvent(scriptEvents.collision_start, startedColliders, ParentGroup.Scene.EventManager.TriggerScriptCollidingStart);
             if (IsNotVolumeDtc)
@@ -3204,6 +3210,35 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        public void SendCollisionSound(UUID soundID, double volume, Vector3 position)
+        {
+            if (soundID == UUID.Zero)
+                return;
+
+            ISoundModule soundModule = ParentGroup.Scene.RequestModuleInterface<ISoundModule>();
+            if (soundModule == null)
+                return;
+
+            if (volume > 1)
+                volume = 1;
+            if (volume < 0)
+                volume = 0;
+
+            DateTime now = DateTime.UtcNow;
+            if((now - LastColSoundSentTime).Milliseconds < 200) // reduce rate to 5 per sec per part  ??
+                return;
+
+            LastColSoundSentTime = now;
+
+            UUID ownerID = OwnerID;
+            UUID objectID = ParentGroup.RootPart.UUID;
+            UUID parentID = ParentGroup.UUID;
+            ulong regionHandle = ParentGroup.Scene.RegionInfo.RegionHandle;
+
+            soundModule.TriggerSound(soundID, ownerID, objectID, parentID, volume, position, regionHandle, 0 );
+        }
+
+
         /// <summary>
         /// Send a terse update to all clients
         /// </summary>
@@ -4757,7 +4792,7 @@ namespace OpenSim.Region.Framework.Scenes
 
             pa.OnCollisionUpdate -= PhysicsCollision;
 
-            bool hassound = ( CollisionSound != UUID.Zero && CollisionSoundVolume > 0.0f);
+            bool hassound = ( CollisionSound != invalidCollisionSoundUUID);
             scriptEvents CombinedEvents = AggregateScriptEvents;
 
             // merge with root part
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index 8a6a6b4..913942f 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -3432,7 +3432,7 @@ namespace OpenSim.Region.Framework.Scenes
             //PhysicsActor.OnRequestTerseUpdate += SendTerseUpdateToAllClients;
             PhysicsActor.OnCollisionUpdate += PhysicsCollisionUpdate;
             PhysicsActor.OnOutOfBounds += OutOfBoundsCall; // Called for PhysicsActors when there's something wrong
-            PhysicsActor.SubscribeEvents(500);
+            PhysicsActor.SubscribeEvents(100);
             PhysicsActor.LocalID = LocalId;
         }
 
@@ -4325,6 +4325,8 @@ namespace OpenSim.Region.Framework.Scenes
                     // do event notification
                     if (startedColliders.Count > 0)
                     {
+                        CollisionSounds.AvatarCollisionSound(this, startedColliders);
+
                         ColliderArgs StartCollidingMessage = new ColliderArgs();
                         List<DetectedObject> colliding = new List<DetectedObject>();
                         foreach (uint localId in startedColliders)
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index c7e59ac..2533002 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -4627,7 +4627,13 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         public void llCollisionSound(string impact_sound, double impact_volume)
         {
             m_host.AddScriptLPS(1);
-            
+
+            if(impact_sound == "")
+            {
+                m_host.CollisionSoundVolume = (float)impact_volume;
+                m_host.CollisionSound = m_host.invalidCollisionSoundUUID;
+                return;
+            }
             // TODO: Parameter check logic required.
             UUID soundId = UUID.Zero;
             if (!UUID.TryParse(impact_sound, out soundId))
@@ -4643,8 +4649,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 }
                 m_host.TaskInventory.LockItemsForRead(false);
             }
-            m_host.CollisionSound = soundId;
             m_host.CollisionSoundVolume = (float)impact_volume;
+            m_host.CollisionSound = soundId;
         }
 
         public LSL_String llGetAnimation(string id)
diff --git a/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs b/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
index 5cad883..1c59d45 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
@@ -847,6 +847,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
             SceneObjectPart part = Engine.World.GetSceneObjectPart(LocalID);
             part.Inventory.GetInventoryItem(ItemID).PermsMask = 0;
             part.Inventory.GetInventoryItem(ItemID).PermsGranter = UUID.Zero;
+            part.CollisionSound = UUID.Zero;
             AsyncCommandManager.RemoveScript(Engine, LocalID, ItemID);
             EventQueue.Clear();
             m_Script.ResetVars();
@@ -873,6 +874,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
             SceneObjectPart part = Engine.World.GetSceneObjectPart(LocalID);
             part.Inventory.GetInventoryItem(ItemID).PermsMask = 0;
             part.Inventory.GetInventoryItem(ItemID).PermsGranter = UUID.Zero;
+            part.CollisionSound = UUID.Zero;
             AsyncCommandManager.RemoveScript(Engine, LocalID, ItemID);
 
             EventQueue.Clear();