1 files changed, 55 insertions, 0 deletions

diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
index b2df0bd..f071841 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
@@ -11873,5 +11873,60 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             dialog.Buttons = buttons;
             OutPacket(dialog, ThrottleOutPacketType.Task);
         }
+
+        public void StopFlying(ISceneEntity p)
+        {
+            if (p is ScenePresence)
+            {
+                ScenePresence presence = p as ScenePresence;
+                // It turns out to get the agent to stop flying, you have to feed it stop flying velocities
+                // There's no explicit message to send the client to tell it to stop flying..   it relies on the 
+                // velocity, collision plane and avatar height
+
+                // Add 1/6 the avatar's height to it's position so it doesn't shoot into the air
+                // when the avatar stands up
+
+                Vector3 pos = presence.AbsolutePosition;
+
+                if (presence.Appearance.AvatarHeight != 127.0f)
+                    pos += new Vector3(0f, 0f, (presence.Appearance.AvatarHeight/6f));
+                else
+                    pos += new Vector3(0f, 0f, (1.56f/6f));
+
+                presence.AbsolutePosition = pos;
+
+                // attach a suitable collision plane regardless of the actual situation to force the LLClient to land.
+                // Collision plane below the avatar's position a 6th of the avatar's height is suitable.
+                // Mind you, that this method doesn't get called if the avatar's velocity magnitude is greater then a 
+                // certain amount..   because the LLClient wouldn't land in that situation anyway.
+
+                // why are we still testing for this really old height value default???
+                if (presence.Appearance.AvatarHeight != 127.0f)
+                    presence.CollisionPlane = new Vector4(0, 0, 0, pos.Z - presence.Appearance.AvatarHeight/6f);
+                else
+                    presence.CollisionPlane = new Vector4(0, 0, 0, pos.Z - (1.56f/6f));
+
+
+                ImprovedTerseObjectUpdatePacket.ObjectDataBlock block =
+                    CreateImprovedTerseBlock(p, false);
+
+                const float TIME_DILATION = 1.0f;
+                ushort timeDilation = Utils.FloatToUInt16(TIME_DILATION, 0.0f, 1.0f);
+
+
+                ImprovedTerseObjectUpdatePacket packet = new ImprovedTerseObjectUpdatePacket();
+                packet.RegionData.RegionHandle = m_scene.RegionInfo.RegionHandle;
+                packet.RegionData.TimeDilation = timeDilation;
+                packet.ObjectData = new ImprovedTerseObjectUpdatePacket.ObjectDataBlock[1];
+
+                packet.ObjectData[0] = block;
+
+                OutPacket(packet, ThrottleOutPacketType.Task, true);
+            }
+
+            //ControllingClient.SendAvatarTerseUpdate(new SendAvatarTerseData(m_rootRegionHandle, (ushort)(m_scene.TimeDilation * ushort.MaxValue), LocalId,
+            //        AbsolutePosition, Velocity, Vector3.Zero, m_bodyRot, new Vector4(0,0,1,AbsolutePosition.Z - 0.5f), m_uuid, null, GetUpdatePriority(ControllingClient)));
+
+        }
     }
 }