From 6e01769bcff35be9cace62a0342cf2d275608891 Mon Sep 17 00:00:00 2001
From: Teravus Ovares
Date: Tue, 12 Feb 2008 04:27:20 +0000
Subject: * A bunch of updates to make things more smooth. ** Sending the
 actual TimeDilation to the client now instead of the 62455 constant.  The
 client is *supposed* to use that value to sync with the simulator.   
 (actually sending ushort.maxvalue * TimeDilation) ** Disabling prim that
 inter-penetrate instead of just not attaching a joint ** Reduced prim spin a
 'little' bit, but not *enough* ** Tweaked the TimeDilation algorithm to be
 closer to 1.0 by default and various changes to the sim stats reporter **
 Created a .SetValues method to PhysicsVector so we can simply call the
 setvalues function instead of .x, .y, .z sets. ** Experimented with a
 .GetBytes Method on PhysicsActor to be able to use the LLVector3.FromBytes()
 method. ** Upped the Inter-penetration depth to 0.25 instead of .08.

---
 OpenSim/Region/Physics/Manager/PhysicsVector.cs | 57 ++++++++++++++++++++++++-
 1 file changed, 56 insertions(+), 1 deletion(-)

(limited to 'OpenSim/Region/Physics/Manager')

diff --git a/OpenSim/Region/Physics/Manager/PhysicsVector.cs b/OpenSim/Region/Physics/Manager/PhysicsVector.cs
index 1f5d0dc..4b2e756 100644
--- a/OpenSim/Region/Physics/Manager/PhysicsVector.cs
+++ b/OpenSim/Region/Physics/Manager/PhysicsVector.cs
@@ -46,7 +46,12 @@ namespace OpenSim.Region.Physics.Manager
             Y = y;
             Z = z;
         }
-
+        public void setValues(float x, float y, float z)
+        {
+            X = x;
+            Y = y;
+            Z = z;
+        }
         public static readonly PhysicsVector Zero = new PhysicsVector(0f, 0f, 0f);
 
         public override string ToString()
@@ -54,6 +59,56 @@ namespace OpenSim.Region.Physics.Manager
             return "<" + X + "," + Y + "," + Z + ">";
         }
 
+        /// <summary>
+        /// These routines are the easiest way to store XYZ values in an LLVector3 without requiring 3 calls.
+        /// </summary>
+        /// <returns></returns>
+        public byte[] GetBytes()
+        {
+            byte[] byteArray = new byte[12];
+
+            Buffer.BlockCopy(BitConverter.GetBytes(X), 0, byteArray, 0, 4);
+            Buffer.BlockCopy(BitConverter.GetBytes(Y), 0, byteArray, 4, 4);
+            Buffer.BlockCopy(BitConverter.GetBytes(Z), 0, byteArray, 8, 4);
+
+            if (!BitConverter.IsLittleEndian)
+            {
+                Array.Reverse(byteArray, 0, 4);
+                Array.Reverse(byteArray, 4, 4);
+                Array.Reverse(byteArray, 8, 4);
+            }
+
+            return byteArray;
+        }
+
+        public void FromBytes(byte[] byteArray, int pos)
+        {
+            byte[] conversionBuffer = null;
+            if (!BitConverter.IsLittleEndian)
+            {
+                // Big endian architecture
+                if (conversionBuffer == null)
+                    conversionBuffer = new byte[12];
+
+                Buffer.BlockCopy(byteArray, pos, conversionBuffer, 0, 12);
+
+                Array.Reverse(conversionBuffer, 0, 4);
+                Array.Reverse(conversionBuffer, 4, 4);
+                Array.Reverse(conversionBuffer, 8, 4);
+
+                X = BitConverter.ToSingle(conversionBuffer, 0);
+                Y = BitConverter.ToSingle(conversionBuffer, 4);
+                Z = BitConverter.ToSingle(conversionBuffer, 8);
+            }
+            else
+            {
+                // Little endian architecture
+                X = BitConverter.ToSingle(byteArray, pos);
+                Y = BitConverter.ToSingle(byteArray, pos + 4);
+                Z = BitConverter.ToSingle(byteArray, pos + 8);
+            }
+        }
+
         // Operations
         public static PhysicsVector operator +(PhysicsVector a, PhysicsVector b)
         {
-- 
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