From fd8defcebb0615a2c003776f0faf857a3ba8e412 Mon Sep 17 00:00:00 2001
From: Sean Dague
Date: Wed, 7 May 2008 18:57:43 +0000
Subject: this change probably causes an earthshattering kaboom, and sends all
 your prims to mars.  or it fixes llTargetOmega. place your bets quickly
 before I have a chance to test it.

---
 .../Region/ClientStack/LindenUDP/LLClientView.cs   | 89 +++++++++++++++++++++-
 1 file changed, 85 insertions(+), 4 deletions(-)

(limited to 'OpenSim/Region/ClientStack')

diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
index 6fe5cc9..580b983 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
@@ -2069,7 +2069,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
         public void SendPrimitiveToClient(
             ulong regionHandle, ushort timeDilation, uint localID, PrimitiveBaseShape primShape, 
-            LLVector3 pos, LLVector3 vel, LLVector3 acc, LLQuaternion rotation, LLVector3 rvel,
+            LLVector3 pos, LLVector3 velocity, LLVector3 acceleration, LLQuaternion rotation, LLVector3 rotationalvelocity,
             uint flags,
             LLUUID objectID, LLUUID ownerID, string text, byte[] color, uint parentID, byte[] particleSystem,
             byte clickAction, byte[] textureanim, bool attachment, uint AttachPoint, LLUUID AssetId)
@@ -2118,11 +2118,92 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             // Sound Radius
             outPacket.ObjectData[0].Radius = 20;
 
+            int i = 0;
+            byte[] bytes = new byte[60];
             byte[] pb = pos.GetBytes();
-            Array.Copy(pb, 0, outPacket.ObjectData[0].ObjectData, 0, pb.Length);
+            Array.Copy(pb, 0, bytes, i, pb.Length);
+            i += 12;
+            // TODO: this code sucks, and also exists in TerseUpdate.
+            // Someone should clean it up.
+
+            ushort velx, vely, velz;
+            Vector3 vel = new Vector3(velocity.X, velocity.Y, velocity.Z);
+            
+            vel = vel / 128.0f;
+            vel.x += 1;
+            vel.y += 1;
+            vel.z += 1;
+            //vel
+            velx = (ushort)(32768 * (vel.x));
+            vely = (ushort)(32768 * (vel.y));
+            velz = (ushort)(32768 * (vel.z));
+
+            bytes[i++] = (byte)(velx % 256);
+            bytes[i++] = (byte)((velx >> 8) % 256);
+            bytes[i++] = (byte)(vely % 256);
+            bytes[i++] = (byte)((vely >> 8) % 256);
+            bytes[i++] = (byte)(velz % 256);
+            bytes[i++] = (byte)((velz >> 8) % 256);
+
+            //accel
+            ushort accx, accy, accz;
+            Vector3 acc = new Vector3(acceleration.X, acceleration.Y, acceleration.Z);
+            acc = acc / 128.0f;
+            acc.x += 1;
+            acc.y += 1;
+            acc.z += 1;
+            accx = (ushort)(32768 * (acc.x));
+            accy = (ushort)(32768 * (acc.y));
+            accz = (ushort)(32768 * (acc.z));
+
+            bytes[i++] = (byte)(accx % 256);
+            bytes[i++] = (byte)((accx >> 8) % 256);
+            bytes[i++] = (byte)(accy % 256);
+            bytes[i++] = (byte)((accy >> 8) % 256);
+            bytes[i++] = (byte)(accz % 256);
+            bytes[i++] = (byte)((accz >> 8) % 256);
+
+            ushort rw, rx, ry, rz;
+            rw = (ushort)(32768 * (rotation.W + 1));
+            rx = (ushort)(32768 * (rotation.X + 1));
+            ry = (ushort)(32768 * (rotation.Y + 1));
+            rz = (ushort)(32768 * (rotation.Z + 1));
+
+            //rot
+            bytes[i++] = (byte)(rx % 256);
+            bytes[i++] = (byte)((rx >> 8) % 256);
+            bytes[i++] = (byte)(ry % 256);
+            bytes[i++] = (byte)((ry >> 8) % 256);
+            bytes[i++] = (byte)(rz % 256);
+            bytes[i++] = (byte)((rz >> 8) % 256);
+            bytes[i++] = (byte)(rw % 256);
+            bytes[i++] = (byte)((rw >> 8) % 256);
+
+            //rotation vel
+            ushort rvelx, rvely, rvelz;
+            Vector3 rvel = new Vector3(rotationalvelocity.X, rotationalvelocity.Y, rotationalvelocity.Z);
+
+            rvel = rvel / 128.0f;
+            rvel.x += 1;
+            rvel.y += 1;
+            rvel.z += 1;
+            //vel
+            rvelx = (ushort)(32768 * (rvel.x));
+            rvely = (ushort)(32768 * (rvel.y));
+            rvelz = (ushort)(32768 * (rvel.z));
+
+            bytes[i++] = (byte)(rvelx % 256);
+            bytes[i++] = (byte)((rvelx >> 8) % 256);
+            bytes[i++] = (byte)(rvely % 256);
+            bytes[i++] = (byte)((rvely >> 8) % 256);
+            bytes[i++] = (byte)(rvelz % 256);
+            bytes[i++] = (byte)((rvelz >> 8) % 256);
+
+
+            // byte[] rot = rotation.GetBytes();
+            // Array.Copy(rot, 0, outPacket.ObjectData[0].ObjectData, 36, rot.Length);
 
-            byte[] rot = rotation.GetBytes();
-            Array.Copy(rot, 0, outPacket.ObjectData[0].ObjectData, 36, rot.Length);
+            outPacket.ObjectData[0].ObjectData = bytes;
 
             if (textureanim.Length > 0)
             {
-- 
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