1 files changed, 257 insertions, 0 deletions

diff --git a/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs b/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
new file mode 100644
index 0000000..d458364
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+++ b/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
@@ -0,0 +1,257 @@
+/*
+ * 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.Collections.Generic;
+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();
+                    }
+
+                    SetAttachmentInventoryStatus(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("[ATTACHMENTS MODULE]: AttachObject found no such scene object {0}", objectLocalID);
+                return false;
+            }
+
+            return true;
+        }
+        
+        public UUID SetAttachmentInventoryStatus(
+            SceneObjectGroup att, IClientAPI remoteClient, UUID itemID, uint AttachmentPt)
+        {
+            m_log.DebugFormat(
+                "[ATTACHMENTS MODULEY]: Updating inventory of {0} to show attachment of {1} (item ID {2})", 
+                remoteClient.Name, att.Name, itemID);
+            
+            if (!att.IsDeleted)
+                AttachmentPt = att.RootPart.AttachmentPoint;
+
+            ScenePresence presence;
+            if (m_scene.TryGetAvatar(remoteClient.AgentId, out presence))
+            {
+                InventoryItemBase item = new InventoryItemBase(itemID, remoteClient.AgentId);
+                item = m_scene.InventoryService.GetItem(item);
+
+                presence.Appearance.SetAttachment((int)AttachmentPt, itemID, item.AssetID /*att.UUID*/);
+            }
+            
+            return att.UUID;
+        }
+
+        /// <summary>
+        /// Update the user inventory to reflect an attachment
+        /// </summary>
+        /// <param name="remoteClient"></param>
+        /// <param name="AttachmentPt"></param>
+        /// <param name="itemID"></param>
+        /// <param name="att"></param>
+        public void SetAttachmentInventoryStatus(
+            IClientAPI remoteClient, uint AttachmentPt, UUID itemID, SceneObjectGroup att)
+        {
+//            m_log.DebugFormat(
+//                "[USER INVENTORY]: Updating attachment {0} for {1} at {2} using item ID {3}", 
+//                att.Name, remoteClient.Name, AttachmentPt, itemID);
+            
+            if (UUID.Zero == itemID)
+            {
+                m_log.Error("[ATTACHMENTS MODULE]: Unable to save attachment. Error inventory item ID.");
+                return;
+            }
+
+            if (0 == AttachmentPt)
+            {
+                m_log.Error("[ATTACHMENTS MODULE]: Unable to save attachment. Error attachment point.");
+                return;
+            }
+
+            if (null == att.RootPart)
+            {
+                m_log.Error("[ATTACHMENTS MODULE]: Unable to save attachment for a prim without the rootpart!");
+                return;
+            }
+
+            ScenePresence presence;
+            if (m_scene.TryGetAvatar(remoteClient.AgentId, out presence))
+            {
+                // XXYY!!
+                InventoryItemBase item = new InventoryItemBase(itemID, remoteClient.AgentId);
+                item = m_scene.InventoryService.GetItem(item);
+                presence.Appearance.SetAttachment((int)AttachmentPt, itemID, item.AssetID /* att.UUID */);
+
+                if (m_scene.AvatarFactory != null)
+                    m_scene.AvatarFactory.UpdateDatabase(remoteClient.AgentId, presence.Appearance);
+            }
+        }        
+
+        public void ShowDetachInUserInventory(UUID itemID, IClientAPI remoteClient)
+        {
+            ScenePresence presence;
+            if (m_scene.TryGetAvatar(remoteClient.AgentId, out presence))
+            {
+                presence.Appearance.DetachAttachment(itemID);
+
+                // Save avatar attachment information
+                if (m_scene.AvatarFactory != null)
+                {
+                    m_log.Debug("[ATTACHMENTS MODULE]: Saving avatar attachment. AgentID: " + remoteClient.AgentId + ", ItemID: " + itemID);
+                    m_scene.AvatarFactory.UpdateDatabase(remoteClient.AgentId, presence.Appearance);
+                }
+            }
+
+            DetachSingleAttachmentToInv(itemID, remoteClient);
+        }        
+
+        // What makes this method odd and unique is it tries to detach using an UUID....     Yay for standards.
+        // To LocalId or UUID, *THAT* is the question. How now Brown UUID??
+        protected void DetachSingleAttachmentToInv(UUID itemID, IClientAPI remoteClient)
+        {
+            if (itemID == UUID.Zero) // If this happened, someone made a mistake....
+                return;
+
+            // We can NOT use the dictionries here, as we are looking
+            // for an entity by the fromAssetID, which is NOT the prim UUID
+            List<EntityBase> detachEntities = m_scene.GetEntities();
+            SceneObjectGroup group;
+
+            foreach (EntityBase entity in detachEntities)
+            {
+                if (entity is SceneObjectGroup)
+                {
+                    group = (SceneObjectGroup)entity;
+                    if (group.GetFromItemID() == itemID)
+                    {
+                        m_scene.EventManager.TriggerOnAttach(group.LocalId, itemID, UUID.Zero);
+                        group.DetachToInventoryPrep();
+                        m_log.Debug("[ATTACHMENTS MODULE]: Saving attachpoint: " + ((uint)group.GetAttachmentPoint()).ToString());
+                        m_scene.UpdateKnownItem(remoteClient, group,group.GetFromItemID(), group.OwnerID);
+                        m_scene.DeleteSceneObject(group, false);
+                        return;
+                    }
+                }
+            }
+        }        
+    }
+}
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