Files
opensim/OpenSim/Region/Framework/Scenes/SceneGraph.cs
Melanie 21cad5d3ac All scripts are now created suspended and are only unsuspended when the object
is fully rezzed and all scripts in it are instantiated. This ensures that link
messages will not be lost on rez/region crossing and makes heavily scripted
objects reliable.
2010-04-19 06:29:26 +01:00

1798 lines
67 KiB
C#

/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSimulator Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using System.Threading;
using System.Collections.Generic;
using System.Reflection;
using OpenMetaverse;
using OpenMetaverse.Packets;
using log4net;
using OpenSim.Framework;
using OpenSim.Region.Framework.Scenes.Types;
using OpenSim.Region.Physics.Manager;
using OpenSim.Region.Framework.Interfaces;
namespace OpenSim.Region.Framework.Scenes
{
public delegate void PhysicsCrash();
public delegate void ObjectDuplicateDelegate(EntityBase original, EntityBase clone);
public delegate void ObjectCreateDelegate(EntityBase obj);
public delegate void ObjectDeleteDelegate(EntityBase obj);
/// <summary>
/// This class used to be called InnerScene and may not yet truly be a SceneGraph. The non scene graph components
/// should be migrated out over time.
/// </summary>
public class SceneGraph
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
#region Events
protected internal event PhysicsCrash UnRecoverableError;
private PhysicsCrash handlerPhysicsCrash = null;
public event ObjectDuplicateDelegate OnObjectDuplicate;
public event ObjectCreateDelegate OnObjectCreate;
public event ObjectDeleteDelegate OnObjectRemove;
#endregion
#region Fields
protected Dictionary<UUID, ScenePresence> m_scenePresences = new Dictionary<UUID, ScenePresence>();
protected ScenePresence[] m_scenePresenceArray = new ScenePresence[0];
// SceneObjects is not currently populated or used.
//public Dictionary<UUID, SceneObjectGroup> SceneObjects;
protected internal EntityManager Entities = new EntityManager();
// protected internal Dictionary<UUID, EntityBase> Entities = new Dictionary<UUID, EntityBase>();
protected internal Dictionary<UUID, ScenePresence> RestorePresences = new Dictionary<UUID, ScenePresence>();
protected internal BasicQuadTreeNode QuadTree;
protected RegionInfo m_regInfo;
protected Scene m_parentScene;
protected Dictionary<UUID, SceneObjectGroup> m_updateList = new Dictionary<UUID, SceneObjectGroup>();
protected int m_numRootAgents = 0;
protected int m_numPrim = 0;
protected int m_numChildAgents = 0;
protected int m_physicalPrim = 0;
protected int m_activeScripts = 0;
protected int m_scriptLPS = 0;
protected internal object m_syncRoot = new object();
protected internal PhysicsScene _PhyScene;
protected internal Dictionary<uint, SceneObjectGroup> SceneObjectGroupsByLocalID = new Dictionary<uint, SceneObjectGroup>();
protected internal Dictionary<UUID, SceneObjectGroup> SceneObjectGroupsByFullID = new Dictionary<UUID, SceneObjectGroup>();
private readonly Object m_dictionary_lock = new Object();
private Object m_updateLock = new Object();
#endregion
protected internal SceneGraph(Scene parent, RegionInfo regInfo)
{
m_parentScene = parent;
m_regInfo = regInfo;
QuadTree = new BasicQuadTreeNode(null, "/0/", 0, 0, (short)Constants.RegionSize, (short)Constants.RegionSize);
QuadTree.Subdivide();
QuadTree.Subdivide();
}
public PhysicsScene PhysicsScene
{
get { return _PhyScene; }
set
{
// If we're not doing the initial set
// Then we've got to remove the previous
// event handler
if (_PhyScene != null)
_PhyScene.OnPhysicsCrash -= physicsBasedCrash;
_PhyScene = value;
if (_PhyScene != null)
_PhyScene.OnPhysicsCrash += physicsBasedCrash;
}
}
protected internal void Close()
{
lock (m_scenePresences)
{
m_scenePresences.Clear();
m_scenePresenceArray = new ScenePresence[0];
}
lock (m_dictionary_lock)
{
SceneObjectGroupsByFullID.Clear();
SceneObjectGroupsByLocalID.Clear();
}
Entities.Clear();
}
#region Update Methods
protected internal void UpdatePreparePhysics()
{
// If we are using a threaded physics engine
// grab the latest scene from the engine before
// trying to process it.
// PhysX does this (runs in the background).
if (_PhyScene.IsThreaded)
{
_PhyScene.GetResults();
}
}
protected internal void UpdatePresences()
{
ForEachScenePresence(delegate(ScenePresence presence)
{
presence.Update();
});
}
protected internal float UpdatePhysics(double elapsed)
{
lock (m_syncRoot)
{
// Here is where the Scene calls the PhysicsScene. This is a one-way
// interaction; the PhysicsScene cannot access the calling Scene directly.
// But with joints, we want a PhysicsActor to be able to influence a
// non-physics SceneObjectPart. In particular, a PhysicsActor that is connected
// with a joint should be able to move the SceneObjectPart which is the visual
// representation of that joint (for editing and serialization purposes).
// However the PhysicsActor normally cannot directly influence anything outside
// of the PhysicsScene, and the non-physical SceneObjectPart which represents
// the joint in the Scene does not exist in the PhysicsScene.
//
// To solve this, we have an event in the PhysicsScene that is fired when a joint
// has changed position (because one of its associated PhysicsActors has changed
// position).
//
// Therefore, JointMoved and JointDeactivated events will be fired as a result of the following Simulate().
return _PhyScene.Simulate((float)elapsed);
}
}
protected internal void UpdateScenePresenceMovement()
{
ForEachScenePresence(delegate(ScenePresence presence)
{
presence.UpdateMovement();
});
}
#endregion
#region Entity Methods
/// <summary>
/// Add an object into the scene that has come from storage
/// </summary>
/// <param name="sceneObject"></param>
/// <param name="attachToBackup">
/// If true, changes to the object will be reflected in its persisted data
/// If false, the persisted data will not be changed even if the object in the scene is changed
/// </param>
/// <param name="alreadyPersisted">
/// If true, we won't persist this object until it changes
/// If false, we'll persist this object immediately
/// </param>
/// <returns>
/// true if the object was added, false if an object with the same uuid was already in the scene
/// </returns>
protected internal bool AddRestoredSceneObject(
SceneObjectGroup sceneObject, bool attachToBackup, bool alreadyPersisted)
{
if (!alreadyPersisted)
{
sceneObject.ForceInventoryPersistence();
sceneObject.HasGroupChanged = true;
}
return AddSceneObject(sceneObject, attachToBackup, true);
}
/// <summary>
/// Add a newly created object to the scene. This will both update the scene, and send information about the
/// new object to all clients interested in the scene.
/// </summary>
/// <param name="sceneObject"></param>
/// <param name="attachToBackup">
/// If true, the object is made persistent into the scene.
/// If false, the object will not persist over server restarts
/// </param>
/// <returns>
/// true if the object was added, false if an object with the same uuid was already in the scene
/// </returns>
protected internal bool AddNewSceneObject(SceneObjectGroup sceneObject, bool attachToBackup, bool sendClientUpdates)
{
// Ensure that we persist this new scene object
sceneObject.HasGroupChanged = true;
return AddSceneObject(sceneObject, attachToBackup, sendClientUpdates);
}
/// <summary>
/// Add an object to the scene. This will both update the scene, and send information about the
/// new object to all clients interested in the scene.
/// </summary>
/// <param name="sceneObject"></param>
/// <param name="attachToBackup">
/// If true, the object is made persistent into the scene.
/// If false, the object will not persist over server restarts
/// </param>
/// <param name="sendClientUpdates">
/// If true, updates for the new scene object are sent to all viewers in range.
/// If false, it is left to the caller to schedule the update
/// </param>
/// <returns>
/// true if the object was added, false if an object with the same uuid was already in the scene
/// </returns>
protected bool AddSceneObject(SceneObjectGroup sceneObject, bool attachToBackup, bool sendClientUpdates)
{
if (sceneObject == null || sceneObject.RootPart == null || sceneObject.RootPart.UUID == UUID.Zero)
return false;
bool alreadyExisted = false;
if (m_parentScene.m_clampPrimSize)
{
foreach (SceneObjectPart part in sceneObject.Children.Values)
{
Vector3 scale = part.Shape.Scale;
if (scale.X > m_parentScene.m_maxNonphys)
scale.X = m_parentScene.m_maxNonphys;
if (scale.Y > m_parentScene.m_maxNonphys)
scale.Y = m_parentScene.m_maxNonphys;
if (scale.Z > m_parentScene.m_maxNonphys)
scale.Z = m_parentScene.m_maxNonphys;
part.Shape.Scale = scale;
}
}
sceneObject.AttachToScene(m_parentScene);
if (sendClientUpdates)
sceneObject.ScheduleGroupForFullUpdate();
lock (sceneObject)
{
if (!Entities.ContainsKey(sceneObject.UUID))
{
Entities.Add(sceneObject);
m_numPrim += sceneObject.Children.Count;
if (attachToBackup)
sceneObject.AttachToBackup();
if (OnObjectCreate != null)
OnObjectCreate(sceneObject);
lock (m_dictionary_lock)
{
SceneObjectGroupsByFullID[sceneObject.UUID] = sceneObject;
SceneObjectGroupsByLocalID[sceneObject.LocalId] = sceneObject;
foreach (SceneObjectPart part in sceneObject.Children.Values)
{
SceneObjectGroupsByFullID[part.UUID] = sceneObject;
SceneObjectGroupsByLocalID[part.LocalId] = sceneObject;
}
}
}
else
{
alreadyExisted = true;
}
}
return alreadyExisted;
}
/// <summary>
/// Delete an object from the scene
/// </summary>
/// <returns>true if the object was deleted, false if there was no object to delete</returns>
public bool DeleteSceneObject(UUID uuid, bool resultOfObjectLinked)
{
if (Entities.ContainsKey(uuid))
{
if (!resultOfObjectLinked)
{
m_numPrim -= ((SceneObjectGroup) Entities[uuid]).Children.Count;
if ((((SceneObjectGroup)Entities[uuid]).RootPart.Flags & PrimFlags.Physics) == PrimFlags.Physics)
{
RemovePhysicalPrim(((SceneObjectGroup)Entities[uuid]).Children.Count);
}
}
if (OnObjectRemove != null)
OnObjectRemove(Entities[uuid]);
lock (m_dictionary_lock)
{
SceneObjectGroupsByFullID.Remove(uuid);
SceneObjectGroupsByLocalID.Remove(((SceneObjectGroup)Entities[uuid]).LocalId);
}
Entities.Remove(uuid);
//SceneObjectGroup part;
//((part.RootPart.Flags & PrimFlags.Physics) == PrimFlags.Physics)
return true;
}
return false;
}
/// <summary>
/// Add an object to the list of prims to process on the next update
/// </summary>
/// <param name="obj">
/// A <see cref="SceneObjectGroup"/>
/// </param>
protected internal void AddToUpdateList(SceneObjectGroup obj)
{
lock (m_updateList)
{
m_updateList[obj.UUID] = obj;
}
}
/// <summary>
/// Process all pending updates
/// </summary>
protected internal void UpdateObjectGroups()
{
if (!Monitor.TryEnter(m_updateLock))
return;
List<SceneObjectGroup> updates;
// Some updates add more updates to the updateList.
// Get the current list of updates and clear the list before iterating
lock (m_updateList)
{
updates = new List<SceneObjectGroup>(m_updateList.Values);
m_updateList.Clear();
}
// Go through all updates
for (int i = 0; i < updates.Count; i++)
{
SceneObjectGroup sog = updates[i];
// Don't abort the whole update if one entity happens to give us an exception.
try
{
sog.Update();
}
catch (Exception e)
{
m_log.ErrorFormat(
"[INNER SCENE]: Failed to update {0}, {1} - {2}", sog.Name, sog.UUID, e);
}
}
Monitor.Exit(m_updateLock);
}
protected internal void AddPhysicalPrim(int number)
{
m_physicalPrim++;
}
protected internal void RemovePhysicalPrim(int number)
{
m_physicalPrim--;
}
protected internal void AddToScriptLPS(int number)
{
m_scriptLPS += number;
}
protected internal void AddActiveScripts(int number)
{
m_activeScripts += number;
}
public void DropObject(uint objectLocalID, IClientAPI remoteClient)
{
SceneObjectGroup group = GetGroupByPrim(objectLocalID);
if (group != null)
m_parentScene.AttachmentsModule.DetachSingleAttachmentToGround(group.UUID, remoteClient);
}
protected internal void DetachObject(uint objectLocalID, IClientAPI remoteClient)
{
SceneObjectGroup group = GetGroupByPrim(objectLocalID);
if (group != null)
{
//group.DetachToGround();
m_parentScene.AttachmentsModule.ShowDetachInUserInventory(group.GetFromItemID(), remoteClient);
}
}
protected internal void HandleUndo(IClientAPI remoteClient, UUID primId)
{
if (primId != UUID.Zero)
{
SceneObjectPart part = m_parentScene.GetSceneObjectPart(primId);
if (part != null)
part.Undo();
}
}
protected internal void HandleRedo(IClientAPI remoteClient, UUID primId)
{
if (primId != UUID.Zero)
{
SceneObjectPart part = m_parentScene.GetSceneObjectPart(primId);
if (part != null)
part.Redo();
}
}
protected internal void HandleObjectGroupUpdate(
IClientAPI remoteClient, UUID GroupID, uint objectLocalID, UUID Garbage)
{
SceneObjectGroup group = GetGroupByPrim(objectLocalID);
if (group != null)
{
if (group.OwnerID == remoteClient.AgentId)
group.SetGroup(GroupID, remoteClient);
}
}
protected internal ScenePresence CreateAndAddChildScenePresence(IClientAPI client, AvatarAppearance appearance)
{
ScenePresence newAvatar = null;
newAvatar = new ScenePresence(client, m_parentScene, m_regInfo, appearance);
newAvatar.IsChildAgent = true;
AddScenePresence(newAvatar);
return newAvatar;
}
/// <summary>
/// Add a presence to the scene
/// </summary>
/// <param name="presence"></param>
protected internal void AddScenePresence(ScenePresence presence)
{
bool child = presence.IsChildAgent;
if (child)
{
m_numChildAgents++;
}
else
{
m_numRootAgents++;
presence.AddToPhysicalScene(false);
}
Entities[presence.UUID] = presence;
lock (m_scenePresences)
{
if (!m_scenePresences.ContainsKey(presence.UUID))
{
m_scenePresences.Add(presence.UUID, presence);
// Create a new array of ScenePresence references
int oldLength = m_scenePresenceArray.Length;
ScenePresence[] newArray = new ScenePresence[oldLength + 1];
Array.Copy(m_scenePresenceArray, newArray, oldLength);
newArray[oldLength] = presence;
m_scenePresenceArray = newArray;
}
else
{
m_scenePresences[presence.UUID] = presence;
// Do a linear search through the array of ScenePresence references
// and update the modified entry
for (int i = 0; i < m_scenePresenceArray.Length; i++)
{
if (m_scenePresenceArray[i].UUID == presence.UUID)
{
m_scenePresenceArray[i] = presence;
break;
}
}
}
}
}
/// <summary>
/// Remove a presence from the scene
/// </summary>
protected internal void RemoveScenePresence(UUID agentID)
{
if (!Entities.Remove(agentID))
{
m_log.WarnFormat(
"[SCENE] Tried to remove non-existent scene presence with agent ID {0} from scene Entities list",
agentID);
}
lock (m_scenePresences)
{
if (m_scenePresences.Remove(agentID))
{
// Copy all of the elements from the previous array
// into the new array except the removed element
int oldLength = m_scenePresenceArray.Length;
ScenePresence[] newArray = new ScenePresence[oldLength - 1];
int j = 0;
for (int i = 0; i < m_scenePresenceArray.Length; i++)
{
ScenePresence presence = m_scenePresenceArray[i];
if (presence.UUID != agentID)
{
newArray[j] = presence;
++j;
}
}
m_scenePresenceArray = newArray;
}
else
{
m_log.WarnFormat("[SCENE] Tried to remove non-existent scene presence with agent ID {0} from scene ScenePresences list", agentID);
}
}
}
protected internal void SwapRootChildAgent(bool direction_RC_CR_T_F)
{
if (direction_RC_CR_T_F)
{
m_numRootAgents--;
m_numChildAgents++;
}
else
{
m_numChildAgents--;
m_numRootAgents++;
}
}
public void removeUserCount(bool TypeRCTF)
{
if (TypeRCTF)
{
m_numRootAgents--;
}
else
{
m_numChildAgents--;
}
}
public void RecalculateStats()
{
int rootcount = 0;
int childcount = 0;
ForEachScenePresence(delegate(ScenePresence presence)
{
if (presence.IsChildAgent)
++childcount;
else
++rootcount;
});
m_numRootAgents = rootcount;
m_numChildAgents = childcount;
}
public int GetChildAgentCount()
{
// some network situations come in where child agents get closed twice.
if (m_numChildAgents < 0)
{
m_numChildAgents = 0;
}
return m_numChildAgents;
}
public int GetRootAgentCount()
{
return m_numRootAgents;
}
public int GetTotalObjectsCount()
{
return m_numPrim;
}
public int GetActiveObjectsCount()
{
return m_physicalPrim;
}
public int GetActiveScriptsCount()
{
return m_activeScripts;
}
public int GetScriptLPS()
{
int returnval = m_scriptLPS;
m_scriptLPS = 0;
return returnval;
}
#endregion
#region Get Methods
/// <summary>
/// Get the controlling client for the given avatar, if there is one.
///
/// FIXME: The only user of the method right now is Caps.cs, in order to resolve a client API since it can't
/// use the ScenePresence. This could be better solved in a number of ways - we could establish an
/// OpenSim.Framework.IScenePresence, or move the caps code into a region package (which might be the more
/// suitable solution).
/// </summary>
/// <param name="agentId"></param>
/// <returns>null if either the avatar wasn't in the scene, or
/// they do not have a controlling client</returns>
/// <remarks>this used to be protected internal, but that
/// prevents CapabilitiesModule from accessing it</remarks>
public IClientAPI GetControllingClient(UUID agentId)
{
ScenePresence presence = GetScenePresence(agentId);
if (presence != null)
{
return presence.ControllingClient;
}
return null;
}
/// <summary>
/// Request a copy of m_scenePresences in this World
/// There is no guarantee that presences will remain in the scene after the list is returned.
/// This list should remain private to SceneGraph. Callers wishing to iterate should instead
/// pass a delegate to ForEachScenePresence.
/// </summary>
/// <returns></returns>
private List<ScenePresence> GetScenePresences()
{
lock (m_scenePresences)
return new List<ScenePresence>(m_scenePresenceArray);
}
/// <summary>
/// Request a scene presence by UUID. Fast, indexed lookup.
/// </summary>
/// <param name="agentID"></param>
/// <returns>null if the presence was not found</returns>
protected internal ScenePresence GetScenePresence(UUID agentID)
{
ScenePresence sp;
lock (m_scenePresences)
{
m_scenePresences.TryGetValue(agentID, out sp);
}
return sp;
}
/// <summary>
/// Request the scene presence by name.
/// </summary>
/// <param name="firstName"></param>
/// <param name="lastName"></param>
/// <returns>null if the presence was not found</returns>
protected internal ScenePresence GetScenePresence(string firstName, string lastName)
{
foreach (ScenePresence presence in GetScenePresences())
{
if (presence.Firstname == firstName && presence.Lastname == lastName)
return presence;
}
return null;
}
/// <summary>
/// Request the scene presence by localID.
/// </summary>
/// <param name="localID"></param>
/// <returns>null if the presence was not found</returns>
protected internal ScenePresence GetScenePresence(uint localID)
{
foreach (ScenePresence presence in GetScenePresences())
if (presence.LocalId == localID)
return presence;
return null;
}
protected internal bool TryGetScenePresence(UUID agentID, out ScenePresence avatar)
{
lock (m_scenePresences)
{
m_scenePresences.TryGetValue(agentID, out avatar);
}
return (avatar != null);
}
protected internal bool TryGetAvatarByName(string name, out ScenePresence avatar)
{
avatar = null;
foreach (ScenePresence presence in GetScenePresences())
{
if (String.Compare(name, presence.ControllingClient.Name, true) == 0)
{
avatar = presence;
break;
}
}
return (avatar != null);
}
/// <summary>
/// Get a scene object group that contains the prim with the given local id
/// </summary>
/// <param name="localID"></param>
/// <returns>null if no scene object group containing that prim is found</returns>
public SceneObjectGroup GetGroupByPrim(uint localID)
{
if (Entities.ContainsKey(localID))
return Entities[localID] as SceneObjectGroup;
//m_log.DebugFormat("Entered GetGroupByPrim with localID {0}", localID);
SceneObjectGroup sog;
lock (SceneObjectGroupsByLocalID)
{
if (SceneObjectGroupsByLocalID.TryGetValue(localID, out sog))
{
return sog;
}
}
List<EntityBase> EntityList = GetEntities();
foreach (EntityBase ent in EntityList)
{
//m_log.DebugFormat("Looking at entity {0}", ent.UUID);
if (ent is SceneObjectGroup)
{
if (((SceneObjectGroup)ent).HasChildPrim(localID))
{
sog = (SceneObjectGroup)ent;
lock (SceneObjectGroupsByLocalID)
{
SceneObjectGroupsByLocalID[localID] = sog;
}
return sog;
}
}
}
return null;
}
/// <summary>
/// Get a scene object group that contains the prim with the given uuid
/// </summary>
/// <param name="fullID"></param>
/// <returns>null if no scene object group containing that prim is found</returns>
private SceneObjectGroup GetGroupByPrim(UUID fullID)
{
SceneObjectGroup sog;
lock (SceneObjectGroupsByFullID)
{
if (SceneObjectGroupsByFullID.TryGetValue(fullID, out sog))
{
return sog;
}
}
List<EntityBase> EntityList = GetEntities();
foreach (EntityBase ent in EntityList)
{
if (ent is SceneObjectGroup)
{
if (((SceneObjectGroup)ent).HasChildPrim(fullID))
{
sog = (SceneObjectGroup)ent;
lock (SceneObjectGroupsByFullID)
{
SceneObjectGroupsByFullID[fullID] = sog;
}
return sog;
}
}
}
return null;
}
protected internal EntityIntersection GetClosestIntersectingPrim(Ray hray, bool frontFacesOnly, bool faceCenters)
{
// Primitive Ray Tracing
float closestDistance = 280f;
EntityIntersection result = new EntityIntersection();
List<EntityBase> EntityList = GetEntities();
foreach (EntityBase ent in EntityList)
{
if (ent is SceneObjectGroup)
{
SceneObjectGroup reportingG = (SceneObjectGroup)ent;
EntityIntersection inter = reportingG.TestIntersection(hray, frontFacesOnly, faceCenters);
if (inter.HitTF && inter.distance < closestDistance)
{
closestDistance = inter.distance;
result = inter;
}
}
}
return result;
}
/// <summary>
/// Get a part contained in this scene.
/// </summary>
/// <param name="localID"></param>
/// <returns>null if the part was not found</returns>
protected internal SceneObjectPart GetSceneObjectPart(uint localID)
{
SceneObjectGroup group = GetGroupByPrim(localID);
if (group == null)
return null;
return group.GetChildPart(localID);
}
/// <summary>
/// Get a named prim contained in this scene (will return the first
/// found, if there are more than one prim with the same name)
/// </summary>
/// <param name="name"></param>
/// <returns>null if the part was not found</returns>
protected internal SceneObjectPart GetSceneObjectPart(string name)
{
List<EntityBase> EntityList = GetEntities();
// FIXME: use a dictionary here
foreach (EntityBase ent in EntityList)
{
if (ent is SceneObjectGroup)
{
foreach (SceneObjectPart p in ((SceneObjectGroup) ent).GetParts())
{
if (p.Name == name)
{
return p;
}
}
}
}
return null;
}
/// <summary>
/// Get a part contained in this scene.
/// </summary>
/// <param name="fullID"></param>
/// <returns>null if the part was not found</returns>
protected internal SceneObjectPart GetSceneObjectPart(UUID fullID)
{
SceneObjectGroup group = GetGroupByPrim(fullID);
if (group == null)
return null;
return group.GetChildPart(fullID);
}
/// <summary>
/// Returns a list of the entities in the scene. This is a new list so no locking is required to iterate over
/// it
/// </summary>
/// <returns></returns>
protected internal List<EntityBase> GetEntities()
{
return Entities.GetEntities();
}
public Dictionary<uint, float> GetTopScripts()
{
Dictionary<uint, float> topScripts = new Dictionary<uint, float>();
List<EntityBase> EntityList = GetEntities();
int limit = 0;
foreach (EntityBase ent in EntityList)
{
if (ent is SceneObjectGroup)
{
SceneObjectGroup grp = (SceneObjectGroup)ent;
if ((grp.RootPart.GetEffectiveObjectFlags() & (uint)PrimFlags.Scripted) != 0)
{
if (grp.scriptScore >= 0.01)
{
topScripts.Add(grp.LocalId, grp.scriptScore);
limit++;
if (limit >= 100)
{
break;
}
}
grp.scriptScore = 0;
}
}
}
return topScripts;
}
#endregion
#region Other Methods
protected internal void physicsBasedCrash()
{
handlerPhysicsCrash = UnRecoverableError;
if (handlerPhysicsCrash != null)
{
handlerPhysicsCrash();
}
}
protected internal UUID ConvertLocalIDToFullID(uint localID)
{
SceneObjectGroup group = GetGroupByPrim(localID);
if (group != null)
return group.GetPartsFullID(localID);
else
return UUID.Zero;
}
/// <summary>
/// Performs action on all scene object groups.
/// </summary>
/// <param name="action"></param>
protected internal void ForEachSOG(Action<SceneObjectGroup> action)
{
List<SceneObjectGroup> objlist = new List<SceneObjectGroup>(SceneObjectGroupsByFullID.Values);
foreach (SceneObjectGroup obj in objlist)
{
try
{
action(obj);
}
catch (Exception e)
{
// Catch it and move on. This includes situations where splist has inconsistent info
m_log.WarnFormat("[SCENE]: Problem processing action in ForEachSOG: ", e.Message);
}
}
}
/// <summary>
/// Performs action on all scene presences. This can ultimately run the actions in parallel but
/// any delegates passed in will need to implement their own locking on data they reference and
/// modify outside of the scope of the delegate.
/// </summary>
/// <param name="action"></param>
public void ForEachScenePresence(Action<ScenePresence> action)
{
// Once all callers have their delegates configured for parallelism, we can unleash this
/*
Action<ScenePresence> protectedAction = new Action<ScenePresence>(delegate(ScenePresence sp)
{
try
{
action(sp);
}
catch (Exception e)
{
m_log.Info("[BUG] in " + m_parentScene.RegionInfo.RegionName + ": " + e.ToString());
m_log.Info("[BUG] Stack Trace: " + e.StackTrace);
}
});
Parallel.ForEach<ScenePresence>(GetScenePresences(), protectedAction);
*/
// For now, perform actiona serially
foreach (ScenePresence sp in GetScenePresences())
{
try
{
action(sp);
}
catch (Exception e)
{
m_log.Info("[BUG] in " + m_parentScene.RegionInfo.RegionName + ": " + e.ToString());
m_log.Info("[BUG] Stack Trace: " + e.StackTrace);
}
}
}
#endregion
#region Client Event handlers
/// <summary>
///
/// </summary>
/// <param name="localID"></param>
/// <param name="scale"></param>
/// <param name="remoteClient"></param>
protected internal void UpdatePrimScale(uint localID, Vector3 scale, IClientAPI remoteClient)
{
SceneObjectGroup group = GetGroupByPrim(localID);
if (group != null)
{
if (m_parentScene.Permissions.CanEditObject(group.UUID, remoteClient.AgentId))
{
group.Resize(scale, localID);
}
}
}
protected internal void UpdatePrimGroupScale(uint localID, Vector3 scale, IClientAPI remoteClient)
{
SceneObjectGroup group = GetGroupByPrim(localID);
if (group != null)
{
if (m_parentScene.Permissions.CanEditObject(group.UUID, remoteClient.AgentId))
{
group.GroupResize(scale, localID);
}
}
}
/// <summary>
/// This handles the nifty little tool tip that you get when you drag your mouse over an object
/// Send to the Object Group to process. We don't know enough to service the request
/// </summary>
/// <param name="remoteClient"></param>
/// <param name="AgentID"></param>
/// <param name="RequestFlags"></param>
/// <param name="ObjectID"></param>
protected internal void RequestObjectPropertiesFamily(
IClientAPI remoteClient, UUID AgentID, uint RequestFlags, UUID ObjectID)
{
SceneObjectGroup group = GetGroupByPrim(ObjectID);
if (group != null)
{
group.ServiceObjectPropertiesFamilyRequest(remoteClient, AgentID, RequestFlags);
}
}
/// <summary>
///
/// </summary>
/// <param name="localID"></param>
/// <param name="rot"></param>
/// <param name="remoteClient"></param>
protected internal void UpdatePrimSingleRotation(uint localID, Quaternion rot, IClientAPI remoteClient)
{
SceneObjectGroup group = GetGroupByPrim(localID);
if (group != null)
{
if (m_parentScene.Permissions.CanMoveObject(group.UUID, remoteClient.AgentId))
{
group.UpdateSingleRotation(rot, localID);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="localID"></param>
/// <param name="rot"></param>
/// <param name="remoteClient"></param>
protected internal void UpdatePrimSingleRotationPosition(uint localID, Quaternion rot, Vector3 pos, IClientAPI remoteClient)
{
SceneObjectGroup group = GetGroupByPrim(localID);
if (group != null)
{
if (m_parentScene.Permissions.CanMoveObject(group.UUID, remoteClient.AgentId))
{
group.UpdateSingleRotation(rot,pos, localID);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="localID"></param>
/// <param name="rot"></param>
/// <param name="remoteClient"></param>
protected internal void UpdatePrimRotation(uint localID, Quaternion rot, IClientAPI remoteClient)
{
SceneObjectGroup group = GetGroupByPrim(localID);
if (group != null)
{
if (m_parentScene.Permissions.CanMoveObject(group.UUID, remoteClient.AgentId))
{
group.UpdateGroupRotationR(rot);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="localID"></param>
/// <param name="pos"></param>
/// <param name="rot"></param>
/// <param name="remoteClient"></param>
protected internal void UpdatePrimRotation(uint localID, Vector3 pos, Quaternion rot, IClientAPI remoteClient)
{
SceneObjectGroup group = GetGroupByPrim(localID);
if (group != null)
{
if (m_parentScene.Permissions.CanMoveObject(group.UUID, remoteClient.AgentId))
{
group.UpdateGroupRotationPR(pos, rot);
}
}
}
/// <summary>
/// Update the position of the given part
/// </summary>
/// <param name="localID"></param>
/// <param name="pos"></param>
/// <param name="remoteClient"></param>
protected internal void UpdatePrimSinglePosition(uint localID, Vector3 pos, IClientAPI remoteClient)
{
SceneObjectGroup group = GetGroupByPrim(localID);
if (group != null)
{
if (m_parentScene.Permissions.CanMoveObject(group.UUID, remoteClient.AgentId) || group.IsAttachment)
{
group.UpdateSinglePosition(pos, localID);
}
}
}
/// <summary>
/// Update the position of the given part
/// </summary>
/// <param name="localID"></param>
/// <param name="pos"></param>
/// <param name="remoteClient"></param>
protected internal void UpdatePrimPosition(uint localID, Vector3 pos, IClientAPI remoteClient)
{
SceneObjectGroup group = GetGroupByPrim(localID);
if (group != null)
{
// Vector3 oldPos = group.AbsolutePosition;
if (group.IsAttachment || (group.RootPart.Shape.PCode == 9 && group.RootPart.Shape.State != 0))
{
// If this is an attachment, then we need to save the modified
// object back into the avatar's inventory. First we save the
// attachment point information, then we update the relative
// positioning (which caused this method to get driven in the
// first place. Then we have to mark the object as NOT an
// attachment. This is necessary in order to correctly save
// and retrieve GroupPosition information for the attachment.
// Then we save the asset back into the appropriate inventory
// entry. Finally, we restore the object's attachment status.
byte attachmentPoint = group.GetAttachmentPoint();
group.UpdateGroupPosition(pos);
group.RootPart.IsAttachment = false;
group.AbsolutePosition = group.RootPart.AttachedPos;
m_parentScene.UpdateKnownItem(remoteClient, group, group.GetFromItemID(), group.OwnerID);
group.SetAttachmentPoint(attachmentPoint);
}
else
{
if (m_parentScene.Permissions.CanMoveObject(group.UUID, remoteClient.AgentId) && m_parentScene.Permissions.CanObjectEntry(group.UUID, false, pos))
{
group.UpdateGroupPosition(pos);
}
}
}
}
/// <summary>
///
/// </summary>
/// <param name="localID"></param>
/// <param name="texture"></param>
/// <param name="remoteClient"></param>
protected internal void UpdatePrimTexture(uint localID, byte[] texture, IClientAPI remoteClient)
{
SceneObjectGroup group = GetGroupByPrim(localID);
if (group != null)
{
if (m_parentScene.Permissions.CanEditObject(group.UUID,remoteClient.AgentId))
{
group.UpdateTextureEntry(localID, texture);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="localID"></param>
/// <param name="packet"></param>
/// <param name="remoteClient"></param>
/// This routine seems to get called when a user changes object settings in the viewer.
/// If some one can confirm that, please change the comment according.
protected internal void UpdatePrimFlags(uint localID, bool UsePhysics, bool IsTemporary, bool IsPhantom, IClientAPI remoteClient)
{
SceneObjectGroup group = GetGroupByPrim(localID);
if (group != null)
{
if (m_parentScene.Permissions.CanEditObject(group.UUID, remoteClient.AgentId))
{
group.UpdatePrimFlags(localID, UsePhysics, IsTemporary, IsPhantom, false); // VolumeDetect can't be set via UI and will always be off when a change is made there
}
}
}
/// <summary>
/// Move the given object
/// </summary>
/// <param name="objectID"></param>
/// <param name="offset"></param>
/// <param name="pos"></param>
/// <param name="remoteClient"></param>
protected internal void MoveObject(UUID objectID, Vector3 offset, Vector3 pos, IClientAPI remoteClient, List<SurfaceTouchEventArgs> surfaceArgs)
{
SceneObjectGroup group = GetGroupByPrim(objectID);
if (group != null)
{
if (m_parentScene.Permissions.CanMoveObject(group.UUID, remoteClient.AgentId))// && PermissionsMngr.)
{
group.GrabMovement(offset, pos, remoteClient);
}
// This is outside the above permissions condition
// so that if the object is locked the client moving the object
// get's it's position on the simulator even if it was the same as before
// This keeps the moving user's client in sync with the rest of the world.
group.SendGroupTerseUpdate();
}
}
/// <summary>
/// Start spinning the given object
/// </summary>
/// <param name="objectID"></param>
/// <param name="rotation"></param>
/// <param name="remoteClient"></param>
protected internal void SpinStart(UUID objectID, IClientAPI remoteClient)
{
SceneObjectGroup group = GetGroupByPrim(objectID);
if (group != null)
{
if (m_parentScene.Permissions.CanMoveObject(group.UUID, remoteClient.AgentId))// && PermissionsMngr.)
{
group.SpinStart(remoteClient);
}
}
}
/// <summary>
/// Spin the given object
/// </summary>
/// <param name="objectID"></param>
/// <param name="rotation"></param>
/// <param name="remoteClient"></param>
protected internal void SpinObject(UUID objectID, Quaternion rotation, IClientAPI remoteClient)
{
SceneObjectGroup group = GetGroupByPrim(objectID);
if (group != null)
{
if (m_parentScene.Permissions.CanMoveObject(group.UUID, remoteClient.AgentId))// && PermissionsMngr.)
{
group.SpinMovement(rotation, remoteClient);
}
// This is outside the above permissions condition
// so that if the object is locked the client moving the object
// get's it's position on the simulator even if it was the same as before
// This keeps the moving user's client in sync with the rest of the world.
group.SendGroupTerseUpdate();
}
}
/// <summary>
///
/// </summary>
/// <param name="primLocalID"></param>
/// <param name="description"></param>
protected internal void PrimName(IClientAPI remoteClient, uint primLocalID, string name)
{
SceneObjectGroup group = GetGroupByPrim(primLocalID);
if (group != null)
{
if (m_parentScene.Permissions.CanEditObject(group.UUID, remoteClient.AgentId))
{
group.SetPartName(Util.CleanString(name), primLocalID);
group.HasGroupChanged = true;
}
}
}
/// <summary>
///
/// </summary>
/// <param name="primLocalID"></param>
/// <param name="description"></param>
protected internal void PrimDescription(IClientAPI remoteClient, uint primLocalID, string description)
{
SceneObjectGroup group = GetGroupByPrim(primLocalID);
if (group != null)
{
if (m_parentScene.Permissions.CanEditObject(group.UUID, remoteClient.AgentId))
{
group.SetPartDescription(Util.CleanString(description), primLocalID);
group.HasGroupChanged = true;
}
}
}
protected internal void PrimClickAction(IClientAPI remoteClient, uint primLocalID, string clickAction)
{
SceneObjectGroup group = GetGroupByPrim(primLocalID);
if (group != null)
{
if (m_parentScene.Permissions.CanEditObject(group.UUID, remoteClient.AgentId))
{
SceneObjectPart part = m_parentScene.GetSceneObjectPart(primLocalID);
part.ClickAction = Convert.ToByte(clickAction);
group.HasGroupChanged = true;
}
}
}
protected internal void PrimMaterial(IClientAPI remoteClient, uint primLocalID, string material)
{
SceneObjectGroup group = GetGroupByPrim(primLocalID);
if (group != null)
{
if (m_parentScene.Permissions.CanEditObject(group.UUID, remoteClient.AgentId))
{
SceneObjectPart part = m_parentScene.GetSceneObjectPart(primLocalID);
part.Material = Convert.ToByte(material);
group.HasGroupChanged = true;
}
}
}
protected internal void UpdateExtraParam(UUID agentID, uint primLocalID, ushort type, bool inUse, byte[] data)
{
SceneObjectGroup group = GetGroupByPrim(primLocalID);
if (group != null)
{
if (m_parentScene.Permissions.CanEditObject(group.UUID,agentID))
{
group.UpdateExtraParam(primLocalID, type, inUse, data);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="primLocalID"></param>
/// <param name="shapeBlock"></param>
protected internal void UpdatePrimShape(UUID agentID, uint primLocalID, UpdateShapeArgs shapeBlock)
{
SceneObjectGroup group = GetGroupByPrim(primLocalID);
if (group != null)
{
if (m_parentScene.Permissions.CanEditObject(group.GetPartsFullID(primLocalID), agentID))
{
ObjectShapePacket.ObjectDataBlock shapeData = new ObjectShapePacket.ObjectDataBlock();
shapeData.ObjectLocalID = shapeBlock.ObjectLocalID;
shapeData.PathBegin = shapeBlock.PathBegin;
shapeData.PathCurve = shapeBlock.PathCurve;
shapeData.PathEnd = shapeBlock.PathEnd;
shapeData.PathRadiusOffset = shapeBlock.PathRadiusOffset;
shapeData.PathRevolutions = shapeBlock.PathRevolutions;
shapeData.PathScaleX = shapeBlock.PathScaleX;
shapeData.PathScaleY = shapeBlock.PathScaleY;
shapeData.PathShearX = shapeBlock.PathShearX;
shapeData.PathShearY = shapeBlock.PathShearY;
shapeData.PathSkew = shapeBlock.PathSkew;
shapeData.PathTaperX = shapeBlock.PathTaperX;
shapeData.PathTaperY = shapeBlock.PathTaperY;
shapeData.PathTwist = shapeBlock.PathTwist;
shapeData.PathTwistBegin = shapeBlock.PathTwistBegin;
shapeData.ProfileBegin = shapeBlock.ProfileBegin;
shapeData.ProfileCurve = shapeBlock.ProfileCurve;
shapeData.ProfileEnd = shapeBlock.ProfileEnd;
shapeData.ProfileHollow = shapeBlock.ProfileHollow;
group.UpdateShape(shapeData, primLocalID);
}
}
}
/// <summary>
/// Initial method invoked when we receive a link objects request from the client.
/// </summary>
/// <param name="client"></param>
/// <param name="parentPrim"></param>
/// <param name="childPrims"></param>
protected internal void LinkObjects(IClientAPI client, uint parentPrimId, List<uint> childPrimIds)
{
Monitor.Enter(m_updateLock);
try
{
SceneObjectGroup parentGroup = GetGroupByPrim(parentPrimId);
List<SceneObjectGroup> childGroups = new List<SceneObjectGroup>();
if (parentGroup != null)
{
// We do this in reverse to get the link order of the prims correct
for (int i = childPrimIds.Count - 1; i >= 0; i--)
{
SceneObjectGroup child = GetGroupByPrim(childPrimIds[i]);
if (child != null)
{
// Make sure no child prim is set for sale
// So that, on delink, no prims are unwittingly
// left for sale and sold off
child.RootPart.ObjectSaleType = 0;
child.RootPart.SalePrice = 10;
childGroups.Add(child);
}
}
}
else
{
return; // parent is null so not in this region
}
foreach (SceneObjectGroup child in childGroups)
{
parentGroup.LinkToGroup(child);
// this is here so physics gets updated!
// Don't remove! Bad juju! Stay away! or fix physics!
child.AbsolutePosition = child.AbsolutePosition;
}
// We need to explicitly resend the newly link prim's object properties since no other actions
// occur on link to invoke this elsewhere (such as object selection)
parentGroup.RootPart.AddFlag(PrimFlags.CreateSelected);
parentGroup.TriggerScriptChangedEvent(Changed.LINK);
parentGroup.HasGroupChanged = true;
parentGroup.ScheduleGroupForFullUpdate();
// if (client != null)
// {
// parentGroup.GetProperties(client);
// }
// else
// {
// foreach (ScenePresence p in GetScenePresences())
// {
// parentGroup.GetProperties(p.ControllingClient);
// }
// }
}
finally
{
Monitor.Exit(m_updateLock);
}
}
/// <summary>
/// Delink a linkset
/// </summary>
/// <param name="prims"></param>
protected internal void DelinkObjects(List<uint> primIds)
{
DelinkObjects(primIds, true);
}
protected internal void DelinkObjects(List<uint> primIds, bool sendEvents)
{
Monitor.Enter(m_updateLock);
try
{
List<SceneObjectPart> childParts = new List<SceneObjectPart>();
List<SceneObjectPart> rootParts = new List<SceneObjectPart>();
List<SceneObjectGroup> affectedGroups = new List<SceneObjectGroup>();
// Look them all up in one go, since that is comparatively expensive
//
foreach (uint primID in primIds)
{
SceneObjectPart part = m_parentScene.GetSceneObjectPart(primID);
if (part != null)
{
if (part.ParentGroup.Children.Count != 1) // Skip single
{
if (part.LinkNum < 2) // Root
rootParts.Add(part);
else
childParts.Add(part);
SceneObjectGroup group = part.ParentGroup;
if (!affectedGroups.Contains(group))
affectedGroups.Add(group);
}
}
else
{
m_log.ErrorFormat("Viewer requested unlink of nonexistent part {0}", primID);
}
}
foreach (SceneObjectPart child in childParts)
{
// Unlink all child parts from their groups
//
child.ParentGroup.DelinkFromGroup(child, sendEvents);
}
foreach (SceneObjectPart root in rootParts)
{
// In most cases, this will run only one time, and the prim
// will be a solo prim
// However, editing linked parts and unlinking may be different
//
SceneObjectGroup group = root.ParentGroup;
List<SceneObjectPart> newSet = new List<SceneObjectPart>(group.Children.Values);
int numChildren = group.Children.Count;
// If there are prims left in a link set, but the root is
// slated for unlink, we need to do this
//
if (numChildren != 1)
{
// Unlink the remaining set
//
bool sendEventsToRemainder = true;
if (numChildren > 1)
sendEventsToRemainder = false;
foreach (SceneObjectPart p in newSet)
{
if (p != group.RootPart)
group.DelinkFromGroup(p, sendEventsToRemainder);
}
// If there is more than one prim remaining, we
// need to re-link
//
if (numChildren > 2)
{
// Remove old root
//
if (newSet.Contains(root))
newSet.Remove(root);
// Preserve link ordering
//
newSet.Sort(delegate (SceneObjectPart a, SceneObjectPart b)
{
return a.LinkNum.CompareTo(b.LinkNum);
});
// Determine new root
//
SceneObjectPart newRoot = newSet[0];
newSet.RemoveAt(0);
List<uint> linkIDs = new List<uint>();
foreach (SceneObjectPart newChild in newSet)
{
newChild.UpdateFlag = 0;
linkIDs.Add(newChild.LocalId);
}
LinkObjects(null, newRoot.LocalId, linkIDs);
if (!affectedGroups.Contains(newRoot.ParentGroup))
affectedGroups.Add(newRoot.ParentGroup);
}
}
}
// Finally, trigger events in the roots
//
foreach (SceneObjectGroup g in affectedGroups)
{
g.TriggerScriptChangedEvent(Changed.LINK);
g.HasGroupChanged = true; // Persist
g.ScheduleGroupForFullUpdate();
}
}
finally
{
Monitor.Exit(m_updateLock);
}
}
protected internal void MakeObjectSearchable(IClientAPI remoteClient, bool IncludeInSearch, uint localID)
{
UUID user = remoteClient.AgentId;
UUID objid = UUID.Zero;
SceneObjectPart obj = null;
List<EntityBase> EntityList = GetEntities();
foreach (EntityBase ent in EntityList)
{
if (ent is SceneObjectGroup)
{
foreach (KeyValuePair<UUID, SceneObjectPart> subent in ((SceneObjectGroup)ent).Children)
{
if (subent.Value.LocalId == localID)
{
objid = subent.Key;
obj = subent.Value;
}
}
}
}
//Protip: In my day, we didn't call them searchable objects, we called them limited point-to-point joints
//aka ObjectFlags.JointWheel = IncludeInSearch
//Permissions model: Object can be REMOVED from search IFF:
// * User owns object
//use CanEditObject
//Object can be ADDED to search IFF:
// * User owns object
// * Asset/DRM permission bit "modify" is enabled
//use CanEditObjectPosition
// libomv will complain about PrimFlags.JointWheel being
// deprecated, so we
#pragma warning disable 0612
if (IncludeInSearch && m_parentScene.Permissions.CanEditObject(objid, user))
{
obj.ParentGroup.RootPart.AddFlag(PrimFlags.JointWheel);
obj.ParentGroup.HasGroupChanged = true;
}
else if (!IncludeInSearch && m_parentScene.Permissions.CanMoveObject(objid,user))
{
obj.ParentGroup.RootPart.RemFlag(PrimFlags.JointWheel);
obj.ParentGroup.HasGroupChanged = true;
}
#pragma warning restore 0612
}
/// <summary>
/// Duplicate the given object, Fire and Forget, No rotation, no return wrapper
/// </summary>
/// <param name="originalPrim"></param>
/// <param name="offset"></param>
/// <param name="flags"></param>
protected internal void DuplicateObject(uint originalPrim, Vector3 offset, uint flags, UUID AgentID, UUID GroupID)
{
//m_log.DebugFormat("[SCENE]: Duplication of object {0} at offset {1} requested by agent {2}", originalPrim, offset, AgentID);
// SceneObjectGroup dupe = DuplicateObject(originalPrim, offset, flags, AgentID, GroupID, Quaternion.Zero);
DuplicateObject(originalPrim, offset, flags, AgentID, GroupID, Quaternion.Identity);
}
/// <summary>
/// Duplicate the given object.
/// </summary>
/// <param name="originalPrim"></param>
/// <param name="offset"></param>
/// <param name="flags"></param>
protected internal SceneObjectGroup DuplicateObject(uint originalPrimID, Vector3 offset, uint flags, UUID AgentID, UUID GroupID, Quaternion rot)
{
//m_log.DebugFormat("[SCENE]: Duplication of object {0} at offset {1} requested by agent {2}", originalPrim, offset, AgentID);
SceneObjectGroup original = GetGroupByPrim(originalPrimID);
if (original != null)
{
if (m_parentScene.Permissions.CanDuplicateObject(original.Children.Count, original.UUID, AgentID, original.AbsolutePosition))
{
SceneObjectGroup copy = original.Copy(AgentID, GroupID, true);
copy.AbsolutePosition = copy.AbsolutePosition + offset;
Entities.Add(copy);
// Since we copy from a source group that is in selected
// state, but the copy is shown deselected in the viewer,
// We need to clear the selection flag here, else that
// prim never gets persisted at all. The client doesn't
// think it's selected, so it will never send a deselect...
copy.IsSelected = false;
m_numPrim += copy.Children.Count;
if (rot != Quaternion.Identity)
{
copy.UpdateGroupRotationR(rot);
}
copy.CreateScriptInstances(0, false, m_parentScene.DefaultScriptEngine, 0);
copy.HasGroupChanged = true;
copy.ScheduleGroupForFullUpdate();
copy.ResumeScripts();
// required for physics to update it's position
copy.AbsolutePosition = copy.AbsolutePosition;
if (OnObjectDuplicate != null)
OnObjectDuplicate(original, copy);
return copy;
}
}
else
{
m_log.WarnFormat("[SCENE]: Attempted to duplicate nonexistant prim id {0}", GroupID);
}
return null;
}
/// <summary>
/// Calculates the distance between two Vector3s
/// </summary>
/// <param name="v1"></param>
/// <param name="v2"></param>
/// <returns></returns>
protected internal float Vector3Distance(Vector3 v1, Vector3 v2)
{
// We don't really need the double floating point precision...
// so casting it to a single
return
(float)
Math.Sqrt((v1.X - v2.X) * (v1.X - v2.X) + (v1.Y - v2.Y) * (v1.Y - v2.Y) + (v1.Z - v2.Z) * (v1.Z - v2.Z));
}
#endregion
}
}