/* * 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.Collections.Generic; using System.Reflection; using System.Xml; using log4net; using Mono.Addins; using Nini.Config; using OpenMetaverse; using OpenMetaverse.Packets; using OpenSim.Framework; using OpenSim.Region.Framework; using OpenSim.Region.Framework.Interfaces; using OpenSim.Region.Framework.Scenes; using OpenSim.Region.Framework.Scenes.Serialization; namespace OpenSim.Region.CoreModules.Avatar.Attachments { [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "AttachmentsModule")] public class AttachmentsModule : IAttachmentsModule, INonSharedRegionModule { private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); private Scene m_scene; private IDialogModule m_dialogModule; public string Name { get { return "Attachments Module"; } } public Type ReplaceableInterface { get { return null; } } public void Initialise(IConfigSource source) {} public void AddRegion(Scene scene) { m_scene = scene; m_dialogModule = m_scene.RequestModuleInterface(); m_scene.RegisterModuleInterface(this); m_scene.EventManager.OnNewClient += SubscribeToClientEvents; // TODO: Should probably be subscribing to CloseClient too, but this doesn't yet give us IClientAPI } public void RemoveRegion(Scene scene) { m_scene.UnregisterModuleInterface(this); m_scene.EventManager.OnNewClient -= SubscribeToClientEvents; } public void RegionLoaded(Scene scene) {} public void Close() { RemoveRegion(m_scene); } public void SubscribeToClientEvents(IClientAPI client) { client.OnRezSingleAttachmentFromInv += RezSingleAttachmentFromInventory; client.OnRezMultipleAttachmentsFromInv += RezMultipleAttachmentsFromInventory; client.OnObjectAttach += AttachObject; client.OnObjectDetach += DetachObject; client.OnDetachAttachmentIntoInv += DetachSingleAttachmentToInv; client.OnObjectDrop += DetachSingleAttachmentToGround; } public void UnsubscribeFromClientEvents(IClientAPI client) { client.OnRezSingleAttachmentFromInv -= RezSingleAttachmentFromInventory; client.OnRezMultipleAttachmentsFromInv -= RezMultipleAttachmentsFromInventory; client.OnObjectAttach -= AttachObject; client.OnObjectDetach -= DetachObject; client.OnDetachAttachmentIntoInv -= DetachSingleAttachmentToInv; client.OnObjectDrop -= DetachSingleAttachmentToGround; } /// /// RezAttachments. This should only be called upon login on the first region. /// Attachment rezzings on crossings and TPs are done in a different way. /// public void RezAttachments(IScenePresence sp) { if (null == sp.Appearance) { m_log.WarnFormat("[ATTACHMENTS MODULE]: Appearance has not been initialized for agent {0}", sp.UUID); return; } List attachments = sp.Appearance.GetAttachments(); foreach (AvatarAttachment attach in attachments) { uint p = (uint)attach.AttachPoint; // m_log.DebugFormat( // "[ATTACHMENTS MODULE]: Doing initial rez of attachment with itemID {0}, assetID {1}, point {2} for {3} in {4}", // attach.ItemID, attach.AssetID, p, sp.Name, m_scene.RegionInfo.RegionName); // For some reason assetIDs are being written as Zero's in the DB -- need to track tat down // But they're not used anyway, the item is being looked up for now, so let's proceed. //if (UUID.Zero == assetID) //{ // m_log.DebugFormat("[ATTACHMENT]: Cannot rez attachment in point {0} with itemID {1}", p, itemID); // continue; //} try { // If we're an NPC then skip all the item checks and manipulations since we don't have an // inventory right now. if (sp.PresenceType == PresenceType.Npc) RezSingleAttachmentFromInventoryInternal(sp, UUID.Zero, attach.AssetID, p, null); else RezSingleAttachmentFromInventory(sp.ControllingClient, attach.ItemID, p); } catch (Exception e) { m_log.ErrorFormat("[ATTACHMENTS MODULE]: Unable to rez attachment: {0}{1}", e.Message, e.StackTrace); } } } public void SaveChangedAttachments(IScenePresence sp) { // m_log.DebugFormat("[ATTACHMENTS MODULE]: Saving changed attachments for {0}", sp.Name); foreach (SceneObjectGroup grp in sp.GetAttachments()) { // if (grp.HasGroupChanged) // Resizer scripts? // { grp.IsAttachment = false; grp.AbsolutePosition = grp.RootPart.AttachedPos; UpdateKnownItem(sp.ControllingClient, grp); grp.IsAttachment = true; // } } } public void DeleteAttachmentsFromScene(IScenePresence sp, bool silent) { // m_log.DebugFormat( // "[ATTACHMENTS MODULE]: Deleting attachments from scene {0} for {1}, silent = {2}", // m_scene.RegionInfo.RegionName, sp.Name, silent); foreach (SceneObjectGroup sop in sp.GetAttachments()) { sop.Scene.DeleteSceneObject(sop, silent); } sp.ClearAttachments(); } /// /// Called by client /// /// /// /// /// public void AttachObject(IClientAPI remoteClient, uint objectLocalID, uint AttachmentPt, bool silent) { // m_log.DebugFormat( // "[ATTACHMENTS MODULE]: Attaching object local id {0} to {1} point {2} from ground (silent = {3})", // objectLocalID, remoteClient.Name, AttachmentPt, silent); try { ScenePresence sp = m_scene.GetScenePresence(remoteClient.AgentId); if (sp == null) { m_log.ErrorFormat( "[ATTACHMENTS MODULE]: Could not find presence for client {0} {1}", remoteClient.Name, remoteClient.AgentId); return; } // If we can't take it, we can't attach it! SceneObjectPart part = m_scene.GetSceneObjectPart(objectLocalID); if (part == null) return; if (!m_scene.Permissions.CanTakeObject(part.UUID, remoteClient.AgentId)) { remoteClient.SendAgentAlertMessage( "You don't have sufficient permissions to attach this object", false); return; } if (part.OwnerID != remoteClient.AgentId) // Not ours { remoteClient.SendAgentAlertMessage( "You don't have sufficient permissions to attach this object", false); return; } // TODO: this short circuits multiple attachments functionality in LL viewer 2.1+ and should // be removed when that functionality is implemented in opensim AttachmentPt &= 0x7f; // Calls attach with a Zero position if (AttachObject(sp, part.ParentGroup, AttachmentPt, false)) { m_scene.EventManager.TriggerOnAttach(objectLocalID, part.ParentGroup.GetFromItemID(), remoteClient.AgentId); // Save avatar attachment information m_log.Debug( "[ATTACHMENTS MODULE]: Saving avatar attachment. AgentID: " + remoteClient.AgentId + ", AttachmentPoint: " + AttachmentPt); } } catch (Exception e) { m_log.ErrorFormat("[ATTACHMENTS MODULE]: exception upon Attach Object {0}{1}", e.Message, e.StackTrace); } } public bool AttachObject(IClientAPI remoteClient, SceneObjectGroup group, uint AttachmentPt, bool silent) { ScenePresence sp = m_scene.GetScenePresence(remoteClient.AgentId); if (sp == null) { m_log.ErrorFormat( "[ATTACHMENTS MODULE]: Could not find presence for client {0} {1}", remoteClient.Name, remoteClient.AgentId); return false; } return AttachObject(sp, group, AttachmentPt, silent); } private bool AttachObject(IScenePresence sp, SceneObjectGroup group, uint attachmentPt, bool silent) { lock (sp.AttachmentsSyncLock) { // m_log.DebugFormat( // "[ATTACHMENTS MODULE]: Attaching object {0} {1} to {2} point {3} from ground (silent = {4})", // group.Name, group.LocalId, sp.Name, attachmentPt, silent); if (sp.GetAttachments(attachmentPt).Contains(group)) { // m_log.WarnFormat( // "[ATTACHMENTS MODULE]: Ignoring request to attach {0} {1} to {2} on {3} since it's already attached", // group.Name, group.LocalId, sp.Name, AttachmentPt); return false; } Vector3 attachPos = group.AbsolutePosition; // TODO: this short circuits multiple attachments functionality in LL viewer 2.1+ and should // be removed when that functionality is implemented in opensim attachmentPt &= 0x7f; // 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 != group.AttachmentPoint) { attachPos = Vector3.Zero; } // AttachmentPt 0 means the client chose to 'wear' the attachment. if (attachmentPt == 0) { // Check object for stored attachment point attachmentPt = group.AttachmentPoint; } // 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.AttachmentPoint = attachmentPt; group.AbsolutePosition = attachPos; // We also don't want to do any of the inventory operations for an NPC. if (sp.PresenceType != PresenceType.Npc) { // Remove any previous attachments List attachments = sp.GetAttachments(attachmentPt); // At the moment we can only deal with a single attachment if (attachments.Count != 0) { UUID oldAttachmentItemID = attachments[0].GetFromItemID(); if (oldAttachmentItemID != UUID.Zero) DetachSingleAttachmentToInv(oldAttachmentItemID, sp); else m_log.WarnFormat( "[ATTACHMENTS MODULE]: When detaching existing attachment {0} {1} at point {2} to make way for {3} {4} for {5}, couldn't find the associated item ID to adjust inventory attachment record!", attachments[0].Name, attachments[0].LocalId, attachmentPt, group.Name, group.LocalId, sp.Name); } // Add the new attachment to inventory if we don't already have it. UUID newAttachmentItemID = group.GetFromItemID(); if (newAttachmentItemID == UUID.Zero) newAttachmentItemID = AddSceneObjectAsNewAttachmentInInv(sp.ControllingClient, group).ID; ShowAttachInUserInventory(sp, attachmentPt, newAttachmentItemID, group); } AttachToAgent(sp, group, attachmentPt, attachPos, silent); } return true; } public void RezMultipleAttachmentsFromInventory( IClientAPI remoteClient, RezMultipleAttachmentsFromInvPacket.HeaderDataBlock header, RezMultipleAttachmentsFromInvPacket.ObjectDataBlock[] objects) { ScenePresence sp = m_scene.GetScenePresence(remoteClient.AgentId); if (sp == null) { m_log.ErrorFormat( "[ATTACHMENTS MODULE]: Could not find presence for client {0} {1} in RezMultipleAttachmentsFromInventory()", remoteClient.Name, remoteClient.AgentId); return; } lock (sp.AttachmentsSyncLock) { // m_log.DebugFormat("[ATTACHMENTS MODULE]: Rezzing multiple attachments from inventory for {0}", sp.Name); foreach (RezMultipleAttachmentsFromInvPacket.ObjectDataBlock obj in objects) { RezSingleAttachmentFromInventory(sp, obj.ItemID, obj.AttachmentPt); } } } public ISceneEntity RezSingleAttachmentFromInventory(IClientAPI remoteClient, UUID itemID, uint AttachmentPt) { return RezSingleAttachmentFromInventory(remoteClient, itemID, AttachmentPt, true, null); } public ISceneEntity RezSingleAttachmentFromInventory( IClientAPI remoteClient, UUID itemID, uint AttachmentPt, bool updateInventoryStatus, XmlDocument doc) { ScenePresence sp = m_scene.GetScenePresence(remoteClient.AgentId); if (sp == null) { m_log.ErrorFormat( "[ATTACHMENTS MODULE]: Could not find presence for client {0} {1} in RezSingleAttachmentFromInventory()", remoteClient.Name, remoteClient.AgentId); return null; } return RezSingleAttachmentFromInventory(sp, itemID, AttachmentPt); } public ISceneEntity RezSingleAttachmentFromInventory(ScenePresence sp, UUID itemID, uint AttachmentPt) { // m_log.DebugFormat( // "[ATTACHMENTS MODULE]: RezSingleAttachmentFromInventory to point {0} from item {1} for {2}", // (AttachmentPoint)AttachmentPt, itemID, sp.Name); // TODO: this short circuits multiple attachments functionality in LL viewer 2.1+ and should // be removed when that functionality is implemented in opensim AttachmentPt &= 0x7f; // Viewer 2/3 sometimes asks to re-wear items that are already worn (and show up in it's inventory as such). // This often happens during login - not sure the exact reason. // For now, we will ignore the request. Unfortunately, this means that we need to dig through all the // ScenePresence attachments. We can't use the data in AvatarAppearance because that's present at login // before anything has actually been attached. bool alreadyOn = false; List existingAttachments = sp.GetAttachments(); foreach (SceneObjectGroup so in existingAttachments) { if (so.GetFromItemID() == itemID) { alreadyOn = true; break; } } // if (sp.Appearance.GetAttachmentForItem(itemID) != null) if (alreadyOn) { // m_log.WarnFormat( // "[ATTACHMENTS MODULE]: Ignoring request by {0} to wear item {1} at {2} since it is already worn", // sp.Name, itemID, AttachmentPt); return null; } SceneObjectGroup att = RezSingleAttachmentFromInventoryInternal(sp, itemID, UUID.Zero, AttachmentPt, null); if (att == null) DetachSingleAttachmentToInv(itemID, sp.ControllingClient); return att; } protected SceneObjectGroup RezSingleAttachmentFromInventoryInternal( IScenePresence sp, UUID itemID, UUID assetID, uint attachmentPt, XmlDocument doc) { IInventoryAccessModule invAccess = m_scene.RequestModuleInterface(); if (invAccess != null) { lock (sp.AttachmentsSyncLock) { SceneObjectGroup objatt; if (itemID != UUID.Zero) objatt = invAccess.RezObject(sp.ControllingClient, itemID, Vector3.Zero, Vector3.Zero, UUID.Zero, (byte)1, true, false, false, sp.UUID, true); else objatt = invAccess.RezObject(sp.ControllingClient, null, assetID, Vector3.Zero, Vector3.Zero, UUID.Zero, (byte)1, true, false, false, sp.UUID, true); // m_log.DebugFormat( // "[ATTACHMENTS MODULE]: Retrieved single object {0} for attachment to {1} on point {2}", // objatt.Name, remoteClient.Name, AttachmentPt); if (objatt != null) { // HasGroupChanged is being set from within RezObject. Ideally it would be set by the caller. objatt.HasGroupChanged = false; bool tainted = false; if (attachmentPt != 0 && attachmentPt != objatt.AttachmentPoint) tainted = true; // This will throw if the attachment fails try { AttachObject(sp, objatt, attachmentPt, false); } catch (Exception e) { m_log.ErrorFormat( "[ATTACHMENTS MODULE]: Failed to attach {0} {1} for {2}, exception {3}{4}", objatt.Name, objatt.UUID, sp.Name, e.Message, e.StackTrace); // Make sure the object doesn't stick around and bail sp.RemoveAttachment(objatt); m_scene.DeleteSceneObject(objatt, false); return null; } if (tainted) objatt.HasGroupChanged = true; // Fire after attach, so we don't get messy perms dialogs // 4 == AttachedRez objatt.CreateScriptInstances(0, true, m_scene.DefaultScriptEngine, 4); objatt.ResumeScripts(); // Do this last so that event listeners have access to all the effects of the attachment m_scene.EventManager.TriggerOnAttach(objatt.LocalId, itemID, sp.UUID); return objatt; } else { m_log.WarnFormat( "[ATTACHMENTS MODULE]: Could not retrieve item {0} for attaching to avatar {1} at point {2}", itemID, sp.Name, attachmentPt); } if (doc != null) { objatt.LoadScriptState(doc); objatt.ResetOwnerChangeFlag(); } // Fire after attach, so we don't get messy perms dialogs // 4 == AttachedRez objatt.CreateScriptInstances(0, true, m_scene.DefaultScriptEngine, 4); objatt.ResumeScripts(); // Do this last so that event listeners have access to all the effects of the attachment m_scene.EventManager.TriggerOnAttach(objatt.LocalId, itemID, sp.UUID); } } return null; } /// /// Update the user inventory to reflect an attachment /// /// /// /// /// private void ShowAttachInUserInventory( IScenePresence sp, uint AttachmentPt, UUID itemID, SceneObjectGroup att) { // m_log.DebugFormat( // "[USER INVENTORY]: Updating attachment {0} for {1} at {2} using item ID {3}", // att.Name, sp.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; } InventoryItemBase item = new InventoryItemBase(itemID, sp.UUID); item = m_scene.InventoryService.GetItem(item); bool changed = sp.Appearance.SetAttachment((int)AttachmentPt, itemID, item.AssetID); if (changed && m_scene.AvatarFactory != null) m_scene.AvatarFactory.QueueAppearanceSave(sp.UUID); } public void DetachObject(uint objectLocalID, IClientAPI remoteClient) { // m_log.DebugFormat( // "[ATTACHMENTS MODULE]: DetachObject() for object {0} on {1}", objectLocalID, remoteClient.Name); SceneObjectGroup group = m_scene.GetGroupByPrim(objectLocalID); if (group != null) { DetachSingleAttachmentToInv(group.GetFromItemID(), remoteClient); } } public void DetachSingleAttachmentToInv(UUID itemID, IClientAPI remoteClient) { ScenePresence presence; if (m_scene.TryGetScenePresence(remoteClient.AgentId, out presence)) { lock (presence.AttachmentsSyncLock) { // Save avatar attachment information m_log.Debug("[ATTACHMENTS MODULE]: Detaching from UserID: " + remoteClient.AgentId + ", ItemID: " + itemID); bool changed = presence.Appearance.DetachAttachment(itemID); if (changed && m_scene.AvatarFactory != null) m_scene.AvatarFactory.QueueAppearanceSave(remoteClient.AgentId); DetachSingleAttachmentToInv(itemID, presence); } } } public void DetachSingleAttachmentToGround(uint soLocalId, IClientAPI remoteClient) { // m_log.DebugFormat( // "[ATTACHMENTS MODULE]: DetachSingleAttachmentToGround() for {0}, object {1}", // remoteClient.Name, soLocalId); SceneObjectGroup so = m_scene.GetGroupByPrim(soLocalId); if (so == null) return; if (so.AttachedAvatar != remoteClient.AgentId) return; UUID inventoryID = so.GetFromItemID(); // m_log.DebugFormat( // "[ATTACHMENTS MODULE]: In DetachSingleAttachmentToGround(), object is {0} {1}, associated item is {2}", // so.Name, so.LocalId, inventoryID); ScenePresence presence; if (m_scene.TryGetScenePresence(remoteClient.AgentId, out presence)) { lock (presence.AttachmentsSyncLock) { if (!m_scene.Permissions.CanRezObject( so.PrimCount, remoteClient.AgentId, presence.AbsolutePosition)) return; bool changed = presence.Appearance.DetachAttachment(inventoryID); if (changed && m_scene.AvatarFactory != null) m_scene.AvatarFactory.QueueAppearanceSave(remoteClient.AgentId); presence.RemoveAttachment(so); DetachSceneObjectToGround(so, presence); List uuids = new List(); uuids.Add(inventoryID); m_scene.InventoryService.DeleteItems(remoteClient.AgentId, uuids); remoteClient.SendRemoveInventoryItem(inventoryID); } m_scene.EventManager.TriggerOnAttach(so.LocalId, so.UUID, UUID.Zero); } } /// /// Detach the given scene object to the ground. /// /// /// The caller has to take care of all the other work in updating avatar appearance, inventory, etc. /// /// The scene object to detach. /// The scene presence from which the scene object is being detached. private void DetachSceneObjectToGround(SceneObjectGroup so, ScenePresence sp) { SceneObjectPart rootPart = so.RootPart; rootPart.FromItemID = UUID.Zero; so.AbsolutePosition = sp.AbsolutePosition; so.AttachedAvatar = UUID.Zero; rootPart.SetParentLocalId(0); so.ClearPartAttachmentData(); rootPart.ApplyPhysics(rootPart.GetEffectiveObjectFlags(), rootPart.VolumeDetectActive, m_scene.m_physicalPrim); so.HasGroupChanged = true; rootPart.Rezzed = DateTime.Now; rootPart.RemFlag(PrimFlags.TemporaryOnRez); so.AttachToBackup(); m_scene.EventManager.TriggerParcelPrimCountTainted(); rootPart.ScheduleFullUpdate(); rootPart.ClearUndoState(); } // 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?? private void DetachSingleAttachmentToInv(UUID itemID, IScenePresence sp) { // m_log.DebugFormat("[ATTACHMENTS MODULE]: Detaching item {0} to inventory for {1}", itemID, sp.Name); 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 EntityBase[] detachEntities = m_scene.GetEntities(); SceneObjectGroup group; lock (sp.AttachmentsSyncLock) { 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); // CM / XMREngine!!!! Needed to conclude attach event //SceneObjectSerializer.ToOriginalXmlFormat(group); group.DetachToInventoryPrep(); m_log.Debug("[ATTACHMENTS MODULE]: Saving attachpoint: " + ((uint)group.GetAttachmentPoint()).ToString()); // Prepare sog for storage group.AttachedAvatar = UUID.Zero; group.RootPart.SetParentLocalId(0); group.IsAttachment = false; group.AbsolutePosition = group.RootPart.AttachedPos; UpdateKnownItem(sp.ControllingClient, group); m_scene.DeleteSceneObject(group, false); return; } } } } } public void UpdateAttachmentPosition(SceneObjectGroup sog, Vector3 pos) { // First we save the // attachment point information, then we update the relative // positioning. 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. // Finally, we restore the object's attachment status. uint attachmentPoint = sog.AttachmentPoint; sog.UpdateGroupPosition(pos); sog.IsAttachment = false; sog.AbsolutePosition = sog.RootPart.AttachedPos; sog.AttachmentPoint = attachmentPoint; sog.HasGroupChanged = true; } /// /// Update the attachment asset for the new sog details if they have changed. /// /// /// This is essential for preserving attachment attributes such as permission. Unlike normal scene objects, /// these details are not stored on the region. /// /// /// private void UpdateKnownItem(IClientAPI remoteClient, SceneObjectGroup grp) { if (grp.HasGroupChanged || grp.ContainsScripts()) { m_log.DebugFormat( "[ATTACHMENTS MODULE]: Updating asset for attachment {0}, attachpoint {1}", grp.UUID, grp.AttachmentPoint); string sceneObjectXml = SceneObjectSerializer.ToOriginalXmlFormat(grp); InventoryItemBase item = new InventoryItemBase(grp.GetFromItemID(), remoteClient.AgentId); item = m_scene.InventoryService.GetItem(item); if (item != null) { AssetBase asset = m_scene.CreateAsset( grp.GetPartName(grp.LocalId), grp.GetPartDescription(grp.LocalId), (sbyte)AssetType.Object, Utils.StringToBytes(sceneObjectXml), remoteClient.AgentId); m_scene.AssetService.Store(asset); item.AssetID = asset.FullID; item.Description = asset.Description; item.Name = asset.Name; item.AssetType = asset.Type; item.InvType = (int)InventoryType.Object; m_scene.InventoryService.UpdateItem(item); // this gets called when the agent logs off! if (remoteClient != null) remoteClient.SendInventoryItemCreateUpdate(item, 0); } } else { m_log.DebugFormat( "[ATTACHMENTS MODULE]: Don't need to update asset for unchanged attachment {0}, attachpoint {1}", grp.UUID, grp.AttachmentPoint); } } /// /// Attach this scene object to the given avatar. /// /// /// This isn't publicly available since attachments should always perform the corresponding inventory /// operation (to show the attach in user inventory and update the asset with positional information). /// /// /// /// /// /// private void AttachToAgent( IScenePresence avatar, SceneObjectGroup so, uint attachmentpoint, Vector3 attachOffset, bool silent) { // m_log.DebugFormat( // "[ATTACHMENTS MODULE]: Adding attachment {0} to avatar {1} in pt {2} pos {3} {4}", // so.Name, avatar.Name, attachmentpoint, attachOffset, so.RootPart.AttachedPos); so.DetachFromBackup(); // Remove from database and parcel prim count m_scene.DeleteFromStorage(so.UUID); m_scene.EventManager.TriggerParcelPrimCountTainted(); so.AttachedAvatar = avatar.UUID; if (so.RootPart.PhysActor != null) { m_scene.PhysicsScene.RemovePrim(so.RootPart.PhysActor); so.RootPart.PhysActor = null; } so.AbsolutePosition = attachOffset; so.RootPart.AttachedPos = attachOffset; so.IsAttachment = true; so.RootPart.SetParentLocalId(avatar.LocalId); so.AttachmentPoint = attachmentpoint; avatar.AddAttachment(so); if (!silent) { so.IsSelected = false; // fudge.... so.ScheduleGroupForFullUpdate(); } // In case it is later dropped again, don't let // it get cleaned up so.RootPart.RemFlag(PrimFlags.TemporaryOnRez); } /// /// Add a scene object as a new attachment in the user inventory. /// /// /// /// The user inventory item created that holds the attachment. private InventoryItemBase AddSceneObjectAsNewAttachmentInInv(IClientAPI remoteClient, SceneObjectGroup grp) { // m_log.DebugFormat( // "[ATTACHMENTS MODULE]: Called AddSceneObjectAsAttachment for object {0} {1} for {2}", // grp.Name, grp.LocalId, remoteClient.Name); uint regionSize = Constants.RegionSize; //Avoid VS error "The operation overflows at compile time in checked mode" Vector3 inventoryStoredPosition = new Vector3 (((grp.AbsolutePosition.X > (int)Constants.RegionSize) ? regionSize - 6 : grp.AbsolutePosition.X) , (grp.AbsolutePosition.Y > (int)Constants.RegionSize) ? regionSize - 6 : grp.AbsolutePosition.Y, grp.AbsolutePosition.Z); Vector3 originalPosition = grp.AbsolutePosition; grp.AbsolutePosition = inventoryStoredPosition; // If we're being called from a script, then trying to serialize that same script's state will not complete // in any reasonable time period. Therefore, we'll avoid it. The worst that can happen is that if // the client/server crashes rather than logging out normally, the attachment's scripts will resume // without state on relog. Arguably, this is what we want anyway. string sceneObjectXml = SceneObjectSerializer.ToOriginalXmlFormat(grp, false); grp.AbsolutePosition = originalPosition; AssetBase asset = m_scene.CreateAsset( grp.GetPartName(grp.LocalId), grp.GetPartDescription(grp.LocalId), (sbyte)AssetType.Object, Utils.StringToBytes(sceneObjectXml), remoteClient.AgentId); m_scene.AssetService.Store(asset); InventoryItemBase item = new InventoryItemBase(); item.CreatorId = grp.RootPart.CreatorID.ToString(); item.CreatorData = grp.RootPart.CreatorData; item.Owner = remoteClient.AgentId; item.ID = UUID.Random(); item.AssetID = asset.FullID; item.Description = asset.Description; item.Name = asset.Name; item.AssetType = asset.Type; item.InvType = (int)InventoryType.Object; InventoryFolderBase folder = m_scene.InventoryService.GetFolderForType(remoteClient.AgentId, AssetType.Object); if (folder != null) item.Folder = folder.ID; else // oopsies item.Folder = UUID.Zero; if ((remoteClient.AgentId != grp.RootPart.OwnerID) && m_scene.Permissions.PropagatePermissions()) { item.BasePermissions = grp.RootPart.NextOwnerMask; item.CurrentPermissions = grp.RootPart.NextOwnerMask; item.NextPermissions = grp.RootPart.NextOwnerMask; item.EveryOnePermissions = grp.RootPart.EveryoneMask & grp.RootPart.NextOwnerMask; item.GroupPermissions = grp.RootPart.GroupMask & grp.RootPart.NextOwnerMask; } else { item.BasePermissions = grp.RootPart.BaseMask; item.CurrentPermissions = grp.RootPart.OwnerMask; item.NextPermissions = grp.RootPart.NextOwnerMask; item.EveryOnePermissions = grp.RootPart.EveryoneMask; item.GroupPermissions = grp.RootPart.GroupMask; } item.CreationDate = Util.UnixTimeSinceEpoch(); // sets itemID so client can show item as 'attached' in inventory grp.SetFromItemID(item.ID); if (m_scene.AddInventoryItem(item)) { remoteClient.SendInventoryItemCreateUpdate(item, 0); } else { if (m_dialogModule != null) m_dialogModule.SendAlertToUser(remoteClient, "Operation failed"); } return item; } } }