From f2903db39009c7e62f6a07c545183b9588bff775 Mon Sep 17 00:00:00 2001
From: Justin Clark-Casey (justincc)
Date: Fri, 6 Apr 2012 21:14:19 +0100
Subject: For llGetMass(), return the mass of the avatar is the object is
 attached.

As per http://lslwiki.net/lslwiki/wakka.php?wakka=llGetMass
This is the mass as used by the physics engine (ODE or Bullet).
---
 .../Shared/Api/Implementation/LSL_Api.cs           | 27 +++++++++++++++++++---
 1 file changed, 24 insertions(+), 3 deletions(-)

(limited to 'OpenSim/Region/ScriptEngine')

diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 43b66f4..17f5a64 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -2907,10 +2907,31 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         public LSL_Float llGetMass()
         {
             m_host.AddScriptLPS(1);
-            if (m_host.IsRoot)
-                return m_host.ParentGroup.GetMass();
+
+            if (m_host.ParentGroup.IsAttachment)
+            {
+                ScenePresence attachedAvatar = World.GetScenePresence(m_host.ParentGroup.AttachedAvatar);
+
+                if (attachedAvatar != null)
+                {
+                    return attachedAvatar.GetMass();
+                }
+                else
+                {
+                    return 0;
+                }
+            }
             else
-                return m_host.GetMass();
+            {
+                if (m_host.IsRoot)
+                {
+                    return m_host.ParentGroup.GetMass();
+                }
+                else
+                {
+                    return m_host.GetMass();
+                }
+            }
         }
 
         public void llCollisionFilter(string name, string id, int accept)
-- 
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