From 0bda35e18fdba53998d752b7ce7ef5b0580a642e Mon Sep 17 00:00:00 2001
From: Robert Adams
Date: Thu, 29 Nov 2012 09:53:59 -0800
Subject: BulletSim: add copyright header where it is missing. Remove some
 unnecessary 'using' requirements so testing framework is less complicated.

---
 OpenSim/Region/Physics/BulletSPlugin/BSDynamics.cs |  2 --
 OpenSim/Region/Physics/BulletSPlugin/BSMotors.cs   | 32 +++++++++++++++++++++-
 2 files changed, 31 insertions(+), 3 deletions(-)

diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSDynamics.cs b/OpenSim/Region/Physics/BulletSPlugin/BSDynamics.cs
index a398b74..fcee1de 100644
--- a/OpenSim/Region/Physics/BulletSPlugin/BSDynamics.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSDynamics.cs
@@ -45,9 +45,7 @@ using System;
 using System.Collections.Generic;
 using System.Reflection;
 using System.Runtime.InteropServices;
-using log4net;
 using OpenMetaverse;
-using OpenSim.Framework;
 using OpenSim.Region.Physics.Manager;
 
 namespace OpenSim.Region.Physics.BulletSPlugin
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSMotors.cs b/OpenSim/Region/Physics/BulletSPlugin/BSMotors.cs
index e91bfa8..eca1452 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSMotors.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSMotors.cs
@@ -1,3 +1,30 @@
+/*
+ * 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.
+ *
+ */
 using System;
 using System.Collections.Generic;
 using System.Text;
@@ -8,7 +35,7 @@ namespace OpenSim.Region.Physics.BulletSPlugin
 public abstract class BSMotor
 {
     // Timescales and other things can be turned off by setting them to 'infinite'.
-    public const float Infinite = 10000f;
+    public const float Infinite = 12345f;
     public readonly static Vector3 InfiniteVector = new Vector3(BSMotor.Infinite, BSMotor.Infinite, BSMotor.Infinite);
 
     public BSMotor(string useName)
@@ -19,7 +46,9 @@ public abstract class BSMotor
     public virtual void Reset() { }
     public virtual void Zero() { }
 
+    // A name passed at motor creation for easily identifyable debugging messages.
     public string UseName { get; private set; }
+
     // Used only for outputting debug information. Might not be set so check for null.
     public BSScene PhysicsScene { get; set; }
     protected void MDetailLog(string msg, params Object[] parms)
@@ -99,6 +128,7 @@ public class BSVMotor : BSMotor
             if (FrictionTimescale != BSMotor.InfiniteVector)
             {
                 // frictionFactor = (Vector3.One / FrictionTimescale) * timeStep;
+                // Individual friction components can be 'infinite' so compute each separately.
                 frictionFactor.X = FrictionTimescale.X == BSMotor.Infinite ? 0f : (1f / FrictionTimescale.X) * timeStep;
                 frictionFactor.Y = FrictionTimescale.Y == BSMotor.Infinite ? 0f : (1f / FrictionTimescale.Y) * timeStep;
                 frictionFactor.Z = FrictionTimescale.Z == BSMotor.Infinite ? 0f : (1f / FrictionTimescale.Z) * timeStep;
-- 
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