1 files changed, 283 insertions, 39 deletions

diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index beff239..49acc02 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -118,7 +118,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// TODO: For some reason, we effectively have a list both here and in Appearance.  Need to work out if this is
         /// necessary.
         /// </remarks>
-        protected List<SceneObjectGroup> m_attachments = new List<SceneObjectGroup>();
+        private List<SceneObjectGroup> m_attachments = new List<SceneObjectGroup>();
 
         public Object AttachmentsSyncLock { get; private set; }
 
@@ -167,6 +167,7 @@ namespace OpenSim.Region.Framework.Scenes
 //        private int m_lastColCount = -1;              //KF: Look for Collision chnages
 //        private int m_updateCount = 0;                        //KF: Update Anims for a while
 //        private static readonly int UPDATE_COUNT = 10;                // how many frames to update for
+        private List<uint> m_lastColliders = new List<uint>();
 
         private TeleportFlags m_teleportFlags;
         public TeleportFlags TeleportFlags
@@ -228,6 +229,9 @@ namespace OpenSim.Region.Framework.Scenes
         //private int m_moveToPositionStateStatus;
         //*****************************************************
 
+        private bool m_collisionEventFlag = false;
+        private object m_collisionEventLock = new Object();
+
         protected AvatarAppearance m_appearance;
 
         public AvatarAppearance Appearance
@@ -557,8 +561,12 @@ namespace OpenSim.Region.Framework.Scenes
                     }
                 }
 
-                m_pos = value;
-                ParentPosition = Vector3.Zero;
+                // Don't update while sitting
+                if (ParentID == 0)
+                {
+                    m_pos = value;
+                    ParentPosition = Vector3.Zero;
+                }
 
 //                m_log.DebugFormat(
 //                    "[ENTITY BASE]: In {0} set AbsolutePosition of {1} to {2}",
@@ -573,6 +581,13 @@ namespace OpenSim.Region.Framework.Scenes
         public Vector3 OffsetPosition
         {
             get { return m_pos; }
+            set
+            {
+                // There is no offset position when not seated
+                if (ParentID == 0)
+                    return;
+                m_pos = value;
+            }
         }
 
         /// <summary>
@@ -892,6 +907,8 @@ namespace OpenSim.Region.Framework.Scenes
                 pos.Y = crossedBorder.BorderLine.Z - 1;
             }
 
+            CheckAndAdjustLandingPoint(ref pos);
+
             if (pos.X < 0f || pos.Y < 0f || pos.Z < 0f)
             {
                 m_log.WarnFormat(
@@ -1055,6 +1072,7 @@ namespace OpenSim.Region.Framework.Scenes
             bool isFlying = Flying;
             RemoveFromPhysicalScene();
             Velocity = Vector3.Zero;
+            CheckLandingPoint(ref pos);
             AbsolutePosition = pos;
             AddToPhysicalScene(isFlying);
 
@@ -1065,6 +1083,7 @@ namespace OpenSim.Region.Framework.Scenes
         {
             bool isFlying = Flying;
             RemoveFromPhysicalScene();
+            CheckLandingPoint(ref pos);
             AbsolutePosition = pos;
             AddToPhysicalScene(isFlying);
 
@@ -1832,6 +1851,7 @@ namespace OpenSim.Region.Framework.Scenes
                     if (part.SitTargetAvatar == UUID)
                         part.SitTargetAvatar = UUID.Zero;
 
+                    part.ParentGroup.DeleteAvatar(UUID);
                     ParentPosition = part.GetWorldPosition();
                     ControllingClient.SendClearFollowCamProperties(part.ParentUUID);
                 }
@@ -2255,11 +2275,13 @@ namespace OpenSim.Region.Framework.Scenes
                     m_pos = sitTargetPos + SIT_TARGET_ADJUSTMENT;
                     Rotation = sitTargetOrient;
                     ParentPosition = part.AbsolutePosition;
+                    part.ParentGroup.AddAvatar(UUID);
                 }
                 else
                 {
                     m_pos -= part.AbsolutePosition;
                     ParentPosition = part.AbsolutePosition;
+                    part.ParentGroup.AddAvatar(UUID);
 
 //                        m_log.DebugFormat(
 //                            "[SCENE PRESENCE]: Sitting {0} at position {1} ({2} + {3}) on part {4} {5} without sit target",
@@ -2749,6 +2771,9 @@ namespace OpenSim.Region.Framework.Scenes
             if (IsChildAgent)
                 return;
 
+            if (ParentID != 0)
+                return;
+
             Vector3 pos2 = AbsolutePosition;
             Vector3 vel = Velocity;
             int neighbor = 0;
@@ -3110,30 +3135,28 @@ namespace OpenSim.Region.Framework.Scenes
             catch { }
 
             // Attachment objects
-            lock (m_attachments)
+            List<SceneObjectGroup> attachments = GetAttachments();
+            if (attachments.Count > 0)
             {
-                if (m_attachments.Count > 0)
-                {
-                    cAgent.AttachmentObjects = new List<ISceneObject>();
-                    cAgent.AttachmentObjectStates = new List<string>();
-    //                IScriptModule se = m_scene.RequestModuleInterface<IScriptModule>();
-                    InTransitScriptStates.Clear();
+                cAgent.AttachmentObjects = new List<ISceneObject>();
+                cAgent.AttachmentObjectStates = new List<string>();
+//                IScriptModule se = m_scene.RequestModuleInterface<IScriptModule>();
+                InTransitScriptStates.Clear();
 
-                    foreach (SceneObjectGroup sog in m_attachments)
-                    {
-                        // We need to make a copy and pass that copy
-                        // because of transfers withn the same sim
-                        ISceneObject clone = sog.CloneForNewScene();
-                        // Attachment module assumes that GroupPosition holds the offsets...!
-                        ((SceneObjectGroup)clone).RootPart.GroupPosition = sog.RootPart.AttachedPos;
-                        ((SceneObjectGroup)clone).IsAttachment = false;
-                        cAgent.AttachmentObjects.Add(clone);
-                        string state = sog.GetStateSnapshot();
-                        cAgent.AttachmentObjectStates.Add(state);
-                        InTransitScriptStates.Add(state);
-                        // Let's remove the scripts of the original object here
-                        sog.RemoveScriptInstances(true);
-                    }
+                foreach (SceneObjectGroup sog in attachments)
+                {
+                    // We need to make a copy and pass that copy
+                    // because of transfers withn the same sim
+                    ISceneObject clone = sog.CloneForNewScene();
+                    // Attachment module assumes that GroupPosition holds the offsets...!
+                    ((SceneObjectGroup)clone).RootPart.GroupPosition = sog.RootPart.AttachedPos;
+                    ((SceneObjectGroup)clone).IsAttachment = false;
+                    cAgent.AttachmentObjects.Add(clone);
+                    string state = sog.GetStateSnapshot();
+                    cAgent.AttachmentObjectStates.Add(state);
+                    InTransitScriptStates.Add(state);
+                    // Let's remove the scripts of the original object here
+                    sog.RemoveScriptInstances(true);
                 }
             }
         }
@@ -3352,6 +3375,8 @@ namespace OpenSim.Region.Framework.Scenes
                 }
             }
 
+            RaiseCollisionScriptEvents(coldata);
+
             if (Invulnerable)
                 return;
             
@@ -3537,26 +3562,29 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="args">The arguments for the event</param>
         public void SendScriptEventToAttachments(string eventName, Object[] args)
         {
-            if (m_scriptEngines.Length == 0)
-                return;
-
-            lock (m_attachments)
+            Util.FireAndForget(delegate(object x)
             {
-                foreach (SceneObjectGroup grp in m_attachments)
+                if (m_scriptEngines.Length == 0)
+                    return;
+
+                lock (m_attachments)
                 {
-                    // 16384 is CHANGED_ANIMATION
-                    //
-                    // Send this to all attachment root prims
-                    //
-                    foreach (IScriptModule m in m_scriptEngines)
+                    foreach (SceneObjectGroup grp in m_attachments)
                     {
-                        if (m == null) // No script engine loaded
-                            continue;
+                        // 16384 is CHANGED_ANIMATION
+                        //
+                        // Send this to all attachment root prims
+                        //
+                        foreach (IScriptModule m in m_scriptEngines)
+                        {
+                            if (m == null) // No script engine loaded
+                                continue;
 
-                        m.PostObjectEvent(grp.RootPart.UUID, "changed", new Object[] { (int)Changed.ANIMATION });
+                            m.PostObjectEvent(grp.RootPart.UUID, "changed", new Object[] { (int)Changed.ANIMATION });
+                        }
                     }
                 }
-            }
+            });
         }
 
         internal void PushForce(Vector3 impulse)
@@ -3788,5 +3816,221 @@ namespace OpenSim.Region.Framework.Scenes
                 m_reprioritization_called = false;
             }
         }
+        
+        private void CheckLandingPoint(ref Vector3 pos)
+        {
+            // Never constrain lures
+            if ((TeleportFlags & TeleportFlags.ViaLure) != 0)
+                return;
+
+            if (m_scene.RegionInfo.EstateSettings.AllowDirectTeleport)
+                return;
+
+            ILandObject land = m_scene.LandChannel.GetLandObject(pos.X, pos.Y);
+
+            if (land.LandData.LandingType == (byte)LandingType.LandingPoint &&
+                land.LandData.UserLocation != Vector3.Zero &&
+                land.LandData.OwnerID != m_uuid &&
+                (!m_scene.Permissions.IsGod(m_uuid)) &&
+                (!m_scene.RegionInfo.EstateSettings.IsEstateManager(m_uuid)))
+            {
+                float curr = Vector3.Distance(AbsolutePosition, pos);
+                if (Vector3.Distance(land.LandData.UserLocation, pos) < curr)
+                    pos = land.LandData.UserLocation;
+                else
+                    ControllingClient.SendAlertMessage("Can't teleport closer to destination");
+            }
+        }
+
+        private void CheckAndAdjustLandingPoint(ref Vector3 pos)
+        {
+            ILandObject land = m_scene.LandChannel.GetLandObject(pos.X, pos.Y);
+            if (land != null)
+            {
+                // If we come in via login, landmark or map, we want to
+                // honor landing points. If we come in via Lure, we want
+                // to ignore them.
+                if ((m_teleportFlags & (TeleportFlags.ViaLogin | TeleportFlags.ViaRegionID)) == (TeleportFlags.ViaLogin | TeleportFlags.ViaRegionID) ||
+                    (m_teleportFlags & TeleportFlags.ViaLandmark) != 0 ||
+                    (m_teleportFlags & TeleportFlags.ViaLocation) != 0)
+                {
+                    // Don't restrict gods, estate managers, or land owners to
+                    // the TP point. This behaviour mimics agni.
+                    if (land.LandData.LandingType == (byte)LandingType.LandingPoint &&
+                        land.LandData.UserLocation != Vector3.Zero &&
+                        GodLevel < 200 &&
+                        ((land.LandData.OwnerID != m_uuid &&
+                        (!m_scene.Permissions.IsGod(m_uuid)) &&
+                        (!m_scene.RegionInfo.EstateSettings.IsEstateManager(m_uuid))) || (m_teleportFlags & TeleportFlags.ViaLocation) != 0))
+                    {
+                        pos = land.LandData.UserLocation;
+                    }
+                }
+                
+                land.SendLandUpdateToClient(ControllingClient);
+            }
+        }
+
+        private void RaiseCollisionScriptEvents(Dictionary<uint, ContactPoint> coldata)
+        {
+            lock(m_collisionEventLock)
+            {
+                if (m_collisionEventFlag)
+                    return;
+                m_collisionEventFlag = true;
+            }
+
+            Util.FireAndForget(delegate(object x)
+            {
+                try
+                {
+                    List<uint> thisHitColliders = new List<uint>();
+                    List<uint> endedColliders = new List<uint>();
+                    List<uint> startedColliders = new List<uint>();
+
+                    foreach (uint localid in coldata.Keys)
+                    {
+                        thisHitColliders.Add(localid);
+                        if (!m_lastColliders.Contains(localid))
+                        {
+                            startedColliders.Add(localid);
+                        }
+                        //m_log.Debug("[SCENE PRESENCE]: Collided with:" + localid.ToString() + " at depth of: " + collissionswith[localid].ToString());
+                    }
+                    
+                    // calculate things that ended colliding
+                    foreach (uint localID in m_lastColliders)
+                    {
+                        if (!thisHitColliders.Contains(localID))
+                        {
+                            endedColliders.Add(localID);
+                        }
+                    }
+                    //add the items that started colliding this time to the last colliders list.
+                    foreach (uint localID in startedColliders)
+                    {
+                        m_lastColliders.Add(localID);
+                    }
+                    // remove things that ended colliding from the last colliders list
+                    foreach (uint localID in endedColliders)
+                    {
+                        m_lastColliders.Remove(localID);
+                    }
+
+                    // do event notification
+                    if (startedColliders.Count > 0)
+                    {
+                        ColliderArgs StartCollidingMessage = new ColliderArgs();
+                        List<DetectedObject> colliding = new List<DetectedObject>();
+                        foreach (uint localId in startedColliders)
+                        {
+                            if (localId == 0)
+                                continue;
+
+                            SceneObjectPart obj = Scene.GetSceneObjectPart(localId);
+                            string data = "";
+                            if (obj != null)
+                            {
+                                DetectedObject detobj = new DetectedObject();
+                                detobj.keyUUID = obj.UUID;
+                                detobj.nameStr = obj.Name;
+                                detobj.ownerUUID = obj.OwnerID;
+                                detobj.posVector = obj.AbsolutePosition;
+                                detobj.rotQuat = obj.GetWorldRotation();
+                                detobj.velVector = obj.Velocity;
+                                detobj.colliderType = 0;
+                                detobj.groupUUID = obj.GroupID;
+                                colliding.Add(detobj);
+                            }
+                        }
+
+                        if (colliding.Count > 0)
+                        {
+                            StartCollidingMessage.Colliders = colliding;
+
+                            foreach (SceneObjectGroup att in GetAttachments())
+                                Scene.EventManager.TriggerScriptCollidingStart(att.LocalId, StartCollidingMessage);
+                        }
+                    }
+
+                    if (endedColliders.Count > 0)
+                    {
+                        ColliderArgs EndCollidingMessage = new ColliderArgs();
+                        List<DetectedObject> colliding = new List<DetectedObject>();
+                        foreach (uint localId in endedColliders)
+                        {
+                            if (localId == 0)
+                                continue;
+
+                            SceneObjectPart obj = Scene.GetSceneObjectPart(localId);
+                            string data = "";
+                            if (obj != null)
+                            {
+                                DetectedObject detobj = new DetectedObject();
+                                detobj.keyUUID = obj.UUID;
+                                detobj.nameStr = obj.Name;
+                                detobj.ownerUUID = obj.OwnerID;
+                                detobj.posVector = obj.AbsolutePosition;
+                                detobj.rotQuat = obj.GetWorldRotation();
+                                detobj.velVector = obj.Velocity;
+                                detobj.colliderType = 0;
+                                detobj.groupUUID = obj.GroupID;
+                                colliding.Add(detobj);
+                            }
+                        }
+
+                        if (colliding.Count > 0)
+                        {
+                            EndCollidingMessage.Colliders = colliding;
+
+                            foreach (SceneObjectGroup att in GetAttachments())
+                                Scene.EventManager.TriggerScriptCollidingEnd(att.LocalId, EndCollidingMessage);
+                        }
+                    }
+
+                    if (thisHitColliders.Count > 0)
+                    {
+                        ColliderArgs CollidingMessage = new ColliderArgs();
+                        List<DetectedObject> colliding = new List<DetectedObject>();
+                        foreach (uint localId in thisHitColliders)
+                        {
+                            if (localId == 0)
+                                continue;
+
+                            SceneObjectPart obj = Scene.GetSceneObjectPart(localId);
+                            string data = "";
+                            if (obj != null)
+                            {
+                                DetectedObject detobj = new DetectedObject();
+                                detobj.keyUUID = obj.UUID;
+                                detobj.nameStr = obj.Name;
+                                detobj.ownerUUID = obj.OwnerID;
+                                detobj.posVector = obj.AbsolutePosition;
+                                detobj.rotQuat = obj.GetWorldRotation();
+                                detobj.velVector = obj.Velocity;
+                                detobj.colliderType = 0;
+                                detobj.groupUUID = obj.GroupID;
+                                colliding.Add(detobj);
+                            }
+                        }
+
+                        if (colliding.Count > 0)
+                        {
+                            CollidingMessage.Colliders = colliding;
+
+                            lock (m_attachments)
+                            {
+                                foreach (SceneObjectGroup att in m_attachments)
+                                    Scene.EventManager.TriggerScriptColliding(att.LocalId, CollidingMessage);
+                            }
+                        }
+                    }
+                }
+                finally
+                {
+                    m_collisionEventFlag = false;
+                }
+            });
+        }
     }
 }