From 6bac44e767819b6aa82d0ed503c5bcc7f72b9883 Mon Sep 17 00:00:00 2001
From: UbitUmarov <ajlduarte@sapo.pt>
Date: Thu, 29 Jun 2017 00:42:35 +0100
Subject: [PATCH] bug fix

---
 .../ClientStack/Linden/UDP/LLClientView.cs    | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
index b3e68ec282..53c185b03a 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
@@ -5526,6 +5526,26 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         #endregion
 
         #region Helper Methods
+        private void ClampVectorForUint(ref Vector3 v, float max)
+        {
+            float a,b;
+
+            a = Math.Abs(v.X);
+            b = Math.Abs(v.Y);
+            if(b > a)
+                a = b;
+            b= Math.Abs(v.Z);
+            if(b > a)
+                a = b;
+
+            if (a > max)
+            {
+                a = max / a;
+                v.X *= a;
+                v.Y *= a;
+                v.Z *= a;
+            }
+        }
 
         protected ImprovedTerseObjectUpdatePacket.ObjectDataBlock CreateImprovedTerseBlock(ISceneEntity entity, bool sendTexture)
         {
@@ -5616,11 +5636,13 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             pos += 12;
 
             // Velocity
+            ClampVectorForUint(ref velocity, 128f);
             Utils.UInt16ToBytes(Utils.FloatToUInt16(velocity.X, -128.0f, 128.0f), data, pos); pos += 2;
             Utils.UInt16ToBytes(Utils.FloatToUInt16(velocity.Y, -128.0f, 128.0f), data, pos); pos += 2;
             Utils.UInt16ToBytes(Utils.FloatToUInt16(velocity.Z, -128.0f, 128.0f), data, pos); pos += 2;
 
             // Acceleration
+            ClampVectorForUint(ref acceleration, 64f);
             Utils.UInt16ToBytes(Utils.FloatToUInt16(acceleration.X, -64.0f, 64.0f), data, pos); pos += 2;
             Utils.UInt16ToBytes(Utils.FloatToUInt16(acceleration.Y, -64.0f, 64.0f), data, pos); pos += 2;
             Utils.UInt16ToBytes(Utils.FloatToUInt16(acceleration.Z, -64.0f, 64.0f), data, pos); pos += 2;
@@ -5632,6 +5654,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             Utils.UInt16ToBytes(Utils.FloatToUInt16(rotation.W, -1.0f, 1.0f), data, pos); pos += 2;
 
             // Angular Velocity
+            ClampVectorForUint(ref angularVelocity, 64f);
             Utils.UInt16ToBytes(Utils.FloatToUInt16(angularVelocity.X, -64.0f, 64.0f), data, pos); pos += 2;
             Utils.UInt16ToBytes(Utils.FloatToUInt16(angularVelocity.Y, -64.0f, 64.0f), data, pos); pos += 2;
             Utils.UInt16ToBytes(Utils.FloatToUInt16(angularVelocity.Z, -64.0f, 64.0f), data, pos); pos += 2;