refactor: begin to move attachments code into a region module

OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs

@@ -0,0 +1,141 @@
+/*
+ * 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.Reflection;
+using log4net;
+using Nini.Config;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Region.Framework;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes;
+
+namespace OpenSim.Region.CoreModules.Avatar.Attachments
+{        
+    public class AttachmentsModule : IAttachmentsModule, IRegionModule
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        
+        protected Scene m_scene = null;
+
+        public void Initialise(Scene scene, IConfigSource source)
+        {
+            scene.RegisterModuleInterface<IAttachmentsModule>(this);
+            m_scene = scene;
+        }
+
+        public void PostInitialise()
+        {
+        }
+
+        public void Close()
+        {
+        }
+
+        public string Name
+        {
+            get { return "Attachments Module"; }
+        }
+
+        public bool IsSharedModule
+        {
+            get { return false; }
+        }
+
+        public bool AttachObject(
+            IClientAPI remoteClient, uint objectLocalID, uint AttachmentPt, Quaternion rot, Vector3 attachPos, bool silent)
+        {
+            SceneObjectGroup group = m_scene.GetGroupByPrim(objectLocalID);
+            if (group != null)
+            {
+                if (m_scene.Permissions.CanTakeObject(group.UUID, remoteClient.AgentId))
+                {
+                    // If the attachment point isn't the same as the one previously used
+                    // set it's offset position = 0 so that it appears on the attachment point
+                    // and not in a weird location somewhere unknown.
+                    if (AttachmentPt != 0 && AttachmentPt != (uint)group.GetAttachmentPoint())
+                    {
+                        attachPos = Vector3.Zero;
+                    }
+
+                    // AttachmentPt 0 means the client chose to 'wear' the attachment.
+                    if (AttachmentPt == 0)
+                    {
+                        // Check object for stored attachment point
+                        AttachmentPt = (uint)group.GetAttachmentPoint();
+                    }
+
+                    // if we still didn't find a suitable attachment point.......
+                    if (AttachmentPt == 0)
+                    {
+                        // Stick it on left hand with Zero Offset from the attachment point.
+                        AttachmentPt = (uint)AttachmentPoint.LeftHand;
+                        attachPos = Vector3.Zero;
+                    }
+
+                    group.SetAttachmentPoint((byte)AttachmentPt);
+                    group.AbsolutePosition = attachPos;
+
+                    // Saves and gets itemID
+                    UUID itemId;
+
+                    if (group.GetFromItemID() == UUID.Zero)
+                    {
+                        m_scene.attachObjectAssetStore(remoteClient, group, remoteClient.AgentId, out itemId);
+                    }
+                    else
+                    {
+                        itemId = group.GetFromItemID();
+                    }
+
+                    m_scene.AttachObject(remoteClient, AttachmentPt, itemId, group);
+
+                    group.AttachToAgent(remoteClient.AgentId, AttachmentPt, attachPos, silent);
+                    
+                    // In case it is later dropped again, don't let
+                    // it get cleaned up
+                    group.RootPart.RemFlag(PrimFlags.TemporaryOnRez);
+                    group.HasGroupChanged = false;
+                }
+                else
+                {
+                    remoteClient.SendAgentAlertMessage(
+                        "You don't have sufficient permissions to attach this object", false);
+                    
+                    return false;
+                }
+            }
+            else
+            {
+                m_log.DebugFormat("[SCENE GRAPH]: AttachObject found no such scene object {0}", objectLocalID);
+                return false;
+            }
+
+            return true;
+        }        
+    }
+}

OpenSim/Region/Framework/Interfaces/IAttachmentsModule.cs

@@ -0,0 +1,49 @@
+/*
+ * 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 OpenSim 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 OpenMetaverse;
+using OpenSim.Framework;
+
+namespace OpenSim.Region.Framework.Interfaces
+{        
+    public interface IAttachmentsModule
+    {
+        /// <summary>
+        /// Attach an object to an avatar.
+        /// </summary>
+        /// <param name="controllingClient"></param>
+        /// <param name="localID"></param>
+        /// <param name="attachPoint"></param>
+        /// <param name="rot"></param>
+        /// <param name="pos"></param>
+        /// <param name="silent"></param>
+        /// <returns>true if the object was successfully attached, false otherwise</returns>        
+        bool AttachObject(
+            IClientAPI controllingClient, uint localID, uint attachPoint, Quaternion rot, Vector3 pos, bool silent);
+    }
+}

OpenSim/Region/Framework/Scenes/Scene.Inventory.cs

@@ -1902,21 +1902,6 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
-        /// <summary>
-        /// Attach an object.
-        /// </summary>
-        /// <param name="controllingClient"></param>
-        /// <param name="localID"></param>
-        /// <param name="attachPoint"></param>
-        /// <param name="rot"></param>
-        /// <param name="pos"></param>
-        /// <param name="silent"></param>
-        /// <returns>true if the object was successfully attached, false otherwise</returns>
-        public bool AttachObject(IClientAPI controllingClient, uint localID, uint attachPoint, Quaternion rot, Vector3 pos, bool silent)
-        {
-            return m_sceneGraph.AttachObject(controllingClient, localID, attachPoint, rot, pos, silent);
-        }
-
         /// <summary>
         /// This registers the item as attached in a user's inventory
         /// </summary>

OpenSim/Region/Framework/Scenes/Scene.cs

@@ -307,6 +307,7 @@ namespace OpenSim.Region.Framework.Scenes
         
         protected IXMLRPC m_xmlrpcModule;
         protected IWorldComm m_worldCommModule;
+        public IAttachmentsModule AttachmentsModule { get; set; }
         protected IAvatarFactory m_AvatarFactory;
         public IAvatarFactory AvatarFactory
         {
@@ -1215,6 +1216,7 @@ namespace OpenSim.Region.Framework.Scenes
             m_worldCommModule = RequestModuleInterface<IWorldComm>();
             XferManager = RequestModuleInterface<IXfer>();
             m_AvatarFactory = RequestModuleInterface<IAvatarFactory>();
+            AttachmentsModule = RequestModuleInterface<IAttachmentsModule>();
             m_serialiser = RequestModuleInterface<IRegionSerialiserModule>();
             m_dialogModule = RequestModuleInterface<IDialogModule>();
             m_capsModule = RequestModuleInterface<ICapabilitiesModule>();
@@ -2405,9 +2407,11 @@ namespace OpenSim.Region.Framework.Scenes
                     //grp.SetFromAssetID(grp.RootPart.LastOwnerID);
                     m_log.DebugFormat(
                         "[ATTACHMENT]: Attach to avatar {0} at position {1}", sp.UUID, grp.AbsolutePosition);
+
+                    if (AttachmentsModule != null)
+                        AttachmentsModule.AttachObject(
+                            sp.ControllingClient, grp.LocalId, (uint)0, grp.GroupRotation, grp.AbsolutePosition, false);
                     
-                    AttachObject(
-                        sp.ControllingClient, grp.LocalId, (uint)0, grp.GroupRotation, grp.AbsolutePosition, false);
                     RootPrim.RemFlag(PrimFlags.TemporaryOnRez);
                     grp.SendGroupFullUpdate();
                 }

OpenSim/Region/Framework/Scenes/SceneGraph.cs

@@ -504,7 +504,7 @@ namespace OpenSim.Region.Framework.Scenes
                 return;
 
             // Calls attach with a Zero position
-            if (AttachObject(remoteClient, objectLocalID, AttachmentPt, rot, Vector3.Zero, false))
+            if (m_parentScene.AttachmentsModule.AttachObject(remoteClient, objectLocalID, AttachmentPt, rot, Vector3.Zero, false))
             {
                 m_parentScene.SendAttachEvent(objectLocalID, part.ParentGroup.GetFromItemID(), remoteClient.AgentId);
     
@@ -547,8 +547,10 @@ namespace OpenSim.Region.Framework.Scenes
                     if (AttachmentPt != 0 && AttachmentPt != objatt.GetAttachmentPoint())
                         tainted = true;
 
-                    AttachObject(remoteClient, objatt.LocalId, AttachmentPt, Quaternion.Identity, objatt.AbsolutePosition, false);
+                    m_parentScene.AttachmentsModule.AttachObject(
+                        remoteClient, objatt.LocalId, AttachmentPt, Quaternion.Identity, objatt.AbsolutePosition, false);
                     //objatt.ScheduleGroupForFullUpdate();
+                    
                     if (tainted)
                         objatt.HasGroupChanged = true;
 
@@ -605,86 +607,6 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
-        /// <summary>
-        /// Attach a scene object to an avatar.
-        /// </summary>
-        /// <param name="remoteClient"></param>
-        /// <param name="objectLocalID"></param>
-        /// <param name="AttachmentPt"></param>
-        /// <param name="rot"></param>
-        /// <param name="attachPos"></param>
-        /// <param name="silent"></param>
-        /// <returns>true if the attachment was successful, false otherwise</returns>
-        protected internal bool AttachObject(
-            IClientAPI remoteClient, uint objectLocalID, uint AttachmentPt, Quaternion rot, Vector3 attachPos, bool silent)
-        {
-            SceneObjectGroup group = GetGroupByPrim(objectLocalID);
-            if (group != null)
-            {
-                if (m_parentScene.Permissions.CanTakeObject(group.UUID, remoteClient.AgentId))
-                {
-                    // If the attachment point isn't the same as the one previously used
-                    // set it's offset position = 0 so that it appears on the attachment point
-                    // and not in a weird location somewhere unknown.
-                    if (AttachmentPt != 0 && AttachmentPt != (uint)group.GetAttachmentPoint())
-                    {
-                        attachPos = Vector3.Zero;
-                    }
-
-                    // AttachmentPt 0 means the client chose to 'wear' the attachment.
-                    if (AttachmentPt == 0)
-                    {
-                        // Check object for stored attachment point
-                        AttachmentPt = (uint)group.GetAttachmentPoint();
-                    }
-
-                    // if we still didn't find a suitable attachment point.......
-                    if (AttachmentPt == 0)
-                    {
-                        // Stick it on left hand with Zero Offset from the attachment point.
-                        AttachmentPt = (uint)AttachmentPoint.LeftHand;
-                        attachPos = Vector3.Zero;
-                    }
-
-                    group.SetAttachmentPoint((byte)AttachmentPt);
-                    group.AbsolutePosition = attachPos;
-
-                    // Saves and gets itemID
-                    UUID itemId;
-
-                    if (group.GetFromItemID() == UUID.Zero)
-                    {
-                        m_parentScene.attachObjectAssetStore(remoteClient, group, remoteClient.AgentId, out itemId);
-                    }
-                    else
-                    {
-                        itemId = group.GetFromItemID();
-                    }
-
-                    m_parentScene.AttachObject(remoteClient, AttachmentPt, itemId, group);
-
-                    group.AttachToAgent(remoteClient.AgentId, AttachmentPt, attachPos, silent);
-                    // In case it is later dropped again, don't let
-                    // it get cleaned up
-                    //
-                    group.RootPart.RemFlag(PrimFlags.TemporaryOnRez);
-                    group.HasGroupChanged = false;
-                }
-                else
-                {
-                    remoteClient.SendAgentAlertMessage("You don't have sufficient permissions to attach this object", false);
-                    return false;
-                }
-            }
-            else
-            {
-                m_log.DebugFormat("[SCENE GRAPH]: AttachObject found no such scene object {0}", objectLocalID);
-                return false;
-            }
-
-            return true;
-        }
-
         protected internal ScenePresence CreateAndAddChildScenePresence(IClientAPI client, AvatarAppearance appearance)
         {
             ScenePresence newAvatar = null;

OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs

@@ -2896,9 +2896,11 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
                 ScenePresence presence = World.GetScenePresence(m_host.OwnerID);
 
-                m_ScriptEngine.World.AttachObject(presence.ControllingClient,
+                IAttachmentsModule attachmentsModule = m_ScriptEngine.World.AttachmentsModule;
-                        grp.LocalId, (uint)attachment, Quaternion.Identity,
+                if (attachmentsModule != null)
-                        Vector3.Zero, false);
+                    attachmentsModule.AttachObject(
+                        presence.ControllingClient, grp.LocalId, 
+                        (uint)attachment, Quaternion.Identity, Vector3.Zero, false);
             }
         }