3 files changed, 61 insertions, 26 deletions

diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 8903c3b..139b4f1 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -68,6 +68,14 @@ using System.Reflection;
 
 namespace OpenSim.Region.ScriptEngine.Shared.Api
 {
+    // MUST be a ref type
+    public class UserInfoCacheEntry
+    {
+        public int time;
+        public UserAccount account;
+        public PresenceInfo pinfo;
+    }
+
     /// <summary>
     /// Contains all LSL ll-functions. This class will be in Default AppDomain.
     /// </summary>
@@ -92,6 +100,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         protected int m_scriptConsoleChannel = 0;
         protected bool m_scriptConsoleChannelEnabled = false;
         protected IUrlModule m_UrlModule = null;
+        protected Dictionary<UUID, UserInfoCacheEntry> m_userInfoCache =
+                new Dictionary<UUID, UserInfoCacheEntry>();
 
         public void Initialize(IScriptEngine ScriptEngine, SceneObjectPart host, uint localID, UUID itemID)
         {
@@ -1934,13 +1944,11 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             }
             else
             {
-                if (llVecDist(new LSL_Vector(0,0,0), targetPos) <= 10.0f)
-                {
-                    part.OffsetPosition = new Vector3((float)targetPos.x, (float)targetPos.y, (float)targetPos.z);
-                    SceneObjectGroup parent = part.ParentGroup;
-                    parent.HasGroupChanged = true;
-                    parent.ScheduleGroupForTerseUpdate();
-                }
+                LSL_Vector rel_vec = SetPosAdjust(currentPos, targetPos);
+                part.OffsetPosition = new Vector3((float)rel_vec.x, (float)rel_vec.y, (float)rel_vec.z);
+                SceneObjectGroup parent = part.ParentGroup;
+                parent.HasGroupChanged = true;
+                parent.ScheduleGroupForTerseUpdate();
             }
         }
 
@@ -3250,17 +3258,11 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         public void llPointAt(LSL_Vector pos)
         {
             m_host.AddScriptLPS(1);
-            ScenePresence Owner = World.GetScenePresence(m_host.UUID);
-            LSL_Rotation rot = llEuler2Rot(pos);
-            Owner.PreviousRotation = Owner.Rotation;
-            Owner.Rotation = (new Quaternion((float)rot.x,(float)rot.y,(float)rot.z,(float)rot.s));
         }
 
         public void llStopPointAt()
         {
             m_host.AddScriptLPS(1);
-            ScenePresence Owner = m_host.ParentGroup.Scene.GetScenePresence(m_host.OwnerID);
-            Owner.Rotation = Owner.PreviousRotation;
         }
 
         public void llTargetOmega(LSL_Vector axis, double spinrate, double gain)
@@ -3916,24 +3918,56 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             m_host.AddScriptLPS(1);
 
             UUID uuid = (UUID)id;
+            PresenceInfo pinfo = null;
+            UserAccount account;
 
-            UserAccount account = World.UserAccountService.GetUserAccount(World.RegionInfo.ScopeID, uuid);
+            UserInfoCacheEntry ce;
+            if (!m_userInfoCache.TryGetValue(uuid, out ce))
+            {
+                account = World.UserAccountService.GetUserAccount(World.RegionInfo.ScopeID, uuid);
+                if (account == null)
+                {
+                    m_userInfoCache[uuid] = null; // Cache negative
+                    return UUID.Zero.ToString();
+                }
 
-            PresenceInfo pinfo = null;
-            PresenceInfo[] pinfos = World.PresenceService.GetAgents(new string[] { uuid.ToString() });
-            if (pinfos != null && pinfos.Length > 0)
-                pinfo = pinfos[0];
 
-            if (pinfo == null)
-                return UUID.Zero.ToString();
+                PresenceInfo[] pinfos = World.PresenceService.GetAgents(new string[] { uuid.ToString() });
+                if (pinfos != null && pinfos.Length > 0)
+                    pinfo = pinfos[0];
+
+                ce = new UserInfoCacheEntry();
+                ce.time = Util.EnvironmentTickCount();
+                ce.account = account;
+                ce.pinfo = pinfo;
+            }
+            else
+            {
+                if (ce == null)
+                    return UUID.Zero.ToString();
+
+                account = ce.account;
+                pinfo = ce.pinfo;
+            }
+
+            if (Util.EnvironmentTickCount() < ce.time || (Util.EnvironmentTickCount() - ce.time) >= 20000)
+            {
+                PresenceInfo[] pinfos = World.PresenceService.GetAgents(new string[] { uuid.ToString() });
+                if (pinfos != null && pinfos.Length > 0)
+                    pinfo = pinfos[0];
+                else
+                    pinfo = null;
+
+                ce.time = Util.EnvironmentTickCount();
+                ce.pinfo = pinfo;
+            }
 
             string reply = String.Empty;
 
             switch (data)
             {
             case 1: // DATA_ONLINE (0|1)
-                // TODO: implement fetching of this information
-                if (pinfo != null)
+                if (pinfo != null && pinfo.RegionID != UUID.Zero)
                     reply = "1";
                 else 
                     reply = "0";
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LS_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LS_Api.cs
index fe71ed5..5ae6439 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LS_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LS_Api.cs
@@ -1,4 +1,4 @@
-/*
+/*
  * Copyright (c) Contributors, http://opensimulator.org/
  * See CONTRIBUTORS.TXT for a full list of copyright holders.
  *
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs
index 06f9426..5da6bb9 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs
@@ -273,9 +273,10 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
         public const int CHANGED_LINK = 32;
         public const int CHANGED_ALLOWED_DROP = 64;
         public const int CHANGED_OWNER = 128;
-        public const int CHANGED_REGION_RESTART = 256;
-        public const int CHANGED_REGION = 512;
-        public const int CHANGED_TELEPORT = 1024;
+        public const int CHANGED_REGION = 256;
+        public const int CHANGED_TELEPORT = 512;
+        public const int CHANGED_REGION_RESTART = 1024;
+        public const int CHANGED_REGION_START = 1024; //LL Changed the constant from CHANGED_REGION_RESTART
         public const int CHANGED_MEDIA = 2048;
         public const int CHANGED_ANIMATION = 16384;
         public const int TYPE_INVALID = 0;