1 files changed, 173 insertions, 2 deletions

diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index b861c28..e17d886 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -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
@@ -1836,6 +1840,7 @@ namespace OpenSim.Region.Framework.Scenes
                     if (part.SitTargetAvatar == UUID)
                         part.SitTargetAvatar = UUID.Zero;
 
+                    part.ParentGroup.DeleteAvatar(UUID);
                     ParentPosition = part.GetWorldPosition();
                     ControllingClient.SendClearFollowCamProperties(part.ParentUUID);
                 }
@@ -1974,7 +1979,7 @@ namespace OpenSim.Region.Framework.Scenes
                 forceMouselook = part.GetForceMouselook();
 
                 ControllingClient.SendSitResponse(
-                    targetID, offset, sitOrientation, false, cameraAtOffset, cameraEyeOffset, forceMouselook);
+                    part.UUID, offset, sitOrientation, false, cameraAtOffset, cameraEyeOffset, forceMouselook);
 
                 m_requestedSitTargetUUID = targetID;
 
@@ -2259,11 +2264,13 @@ 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",
@@ -3369,6 +3376,8 @@ namespace OpenSim.Region.Framework.Scenes
                 }
             }
 
+            RaiseCollisionScriptEvents(coldata);
+
             if (Invulnerable)
                 return;
             
@@ -3858,9 +3867,171 @@ namespace OpenSim.Region.Framework.Scenes
                         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;
+                }
+            });
+        }
     }
 }