From ddc2f2ccd3566a9a4a3631c872979aa6830dbcfe Mon Sep 17 00:00:00 2001
From: UbitUmarov
Date: Sun, 28 Aug 2016 08:45:09 +0100
Subject: mantis: 8008 unscripted child prim collisions didn't trigger scripted
 root prim collision events; collision sounds had incorrect aggregateevents
 call and default sounds where muted. Future optimization needed and Testing

---
 OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs')

diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index 9b7374c..b7c5b6b 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -2112,6 +2112,12 @@ namespace OpenSim.Region.Framework.Scenes
             d.AddActiveScripts(count);
         }
 
+        private const scriptEvents PhysicsNeeedSubsEvents = (
+            scriptEvents.collision | scriptEvents.collision_start | scriptEvents.collision_end |
+            scriptEvents.land_collision | scriptEvents.land_collision_start | scriptEvents.land_collision_end);
+
+        private scriptEvents lastRootPartPhysEvents = 0;
+
         public void aggregateScriptEvents()
         {
             PrimFlags objectflagupdate = (PrimFlags)RootPart.GetEffectiveObjectFlags();
@@ -2148,6 +2154,20 @@ namespace OpenSim.Region.Framework.Scenes
                 m_scene.RemoveGroupTarget(this);
             }
 
+            scriptEvents rootPartPhysEvents = RootPart.AggregateScriptEvents;
+            rootPartPhysEvents &= PhysicsNeeedSubsEvents;
+            if (rootPartPhysEvents != lastRootPartPhysEvents)
+            {
+                lastRootPartPhysEvents = rootPartPhysEvents;
+                for (int i = 0; i < parts.Length; i++)
+                {
+                    SceneObjectPart part = parts[i];
+                    if (part == null)
+                        continue;
+                    part.UpdatePhysicsSubscribedEvents();
+                }
+            }
+
             ScheduleGroupForFullUpdate();
         }
 
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