846 lines
33 KiB
C#
846 lines
33 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Reflection;
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using System.Security.Cryptography; // for computing md5 hash
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using log4net;
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using Mono.Addins;
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using Nini.Config;
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using OpenMetaverse;
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using OpenMetaverse.StructuredData;
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using OpenSim.Framework;
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using OpenSim.Framework.Servers;
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using OpenSim.Framework.Servers.HttpServer;
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using OpenSim.Region.Framework.Interfaces;
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using OpenSim.Region.Framework.Scenes;
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using OpenSimAssetType = OpenSim.Framework.SLUtil.OpenSimAssetType;
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using Ionic.Zlib;
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namespace OpenSim.Region.OptionalModules.Materials
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{
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[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "MaterialsModule")]
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public class MaterialsModule : INonSharedRegionModule, IMaterialsModule
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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public string Name { get { return "MaterialsModule"; } }
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public Type ReplaceableInterface { get { return null; } }
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IAssetCache m_cache;
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private Scene m_scene = null;
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private bool m_enabled = false;
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private int m_maxMaterialsPerTransaction = 50;
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private object materialslock = new object();
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public Dictionary<UUID, FaceMaterial> m_Materials = new Dictionary<UUID, FaceMaterial>();
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public Dictionary<UUID, int> m_MaterialsRefCount = new Dictionary<UUID, int>();
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private Dictionary<FaceMaterial, double> m_changed = new Dictionary<FaceMaterial, double>();
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public void Initialise(IConfigSource source)
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{
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m_enabled = true; // default is enabled
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IConfig config = source.Configs["Materials"];
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if (config != null)
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{
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m_enabled = config.GetBoolean("enable_materials", m_enabled);
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m_maxMaterialsPerTransaction = config.GetInt("MaxMaterialsPerTransaction", m_maxMaterialsPerTransaction);
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}
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if (m_enabled)
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m_log.DebugFormat("[Materials]: Initialized");
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}
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public void Close()
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{
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if (!m_enabled)
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return;
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}
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public void AddRegion(Scene scene)
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{
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if (!m_enabled)
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return;
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m_scene = scene;
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m_scene.RegisterModuleInterface<IMaterialsModule>(this);
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m_scene.EventManager.OnRegisterCaps += OnRegisterCaps;
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m_scene.EventManager.OnObjectAddedToScene += EventManager_OnObjectAddedToScene;
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m_scene.EventManager.OnObjectBeingRemovedFromScene += EventManager_OnObjectDeleteFromScene;
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m_scene.EventManager.OnBackup += EventManager_OnBackup;
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}
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public void RemoveRegion(Scene scene)
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{
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if (!m_enabled)
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return;
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m_scene.EventManager.OnRegisterCaps -= OnRegisterCaps;
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m_scene.EventManager.OnObjectAddedToScene -= EventManager_OnObjectAddedToScene;
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m_scene.EventManager.OnObjectBeingRemovedFromScene -= EventManager_OnObjectDeleteFromScene;
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m_scene.EventManager.OnBackup -= EventManager_OnBackup;
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m_scene.UnregisterModuleInterface<IMaterialsModule>(this);
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}
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public void RegionLoaded(Scene scene)
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{
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if (!m_enabled) return;
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m_cache = scene.RequestModuleInterface<IAssetCache>();
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ISimulatorFeaturesModule featuresModule = scene.RequestModuleInterface<ISimulatorFeaturesModule>();
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if (featuresModule != null)
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featuresModule.OnSimulatorFeaturesRequest += OnSimulatorFeaturesRequest;
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}
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private void EventManager_OnBackup(ISimulationDataService datastore, bool forcedBackup)
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{
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List<FaceMaterial> toStore;
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lock (materialslock)
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{
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if(m_changed.Count == 0)
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return;
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if(forcedBackup)
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{
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toStore = new List<FaceMaterial>(m_changed.Keys);
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m_changed.Clear();
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}
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else
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{
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toStore = new List<FaceMaterial>();
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double storetime = Util.GetTimeStamp() - 60.0;
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foreach(KeyValuePair<FaceMaterial, double> kvp in m_changed)
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{
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if(kvp.Value < storetime)
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{
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toStore.Add(kvp.Key);
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}
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}
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foreach(FaceMaterial fm in toStore)
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{
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m_changed.Remove(fm);
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}
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}
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if(toStore.Count > 0)
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Util.FireAndForget(delegate
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{
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foreach(FaceMaterial fm in toStore)
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{
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AssetBase a = MakeAsset(fm, false);
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m_scene.AssetService.Store(a);
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}
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});
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}
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}
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private void EventManager_OnObjectAddedToScene(SceneObjectGroup obj)
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{
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foreach (var part in obj.Parts)
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if (part != null)
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GetStoredMaterialsInPart(part);
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}
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private void EventManager_OnObjectDeleteFromScene(SceneObjectGroup obj)
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{
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foreach (var part in obj.Parts)
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if (part != null)
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RemoveMaterialsInPart(part);
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}
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private void OnRegisterCaps(OpenMetaverse.UUID agentID, OpenSim.Framework.Capabilities.Caps caps)
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{
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string capsBase = "/CAPS/" + caps.CapsObjectPath;
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IRequestHandler renderMaterialsPostHandler
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= new RestStreamHandler("POST", capsBase + "/",
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(request, path, param, httpRequest, httpResponse)
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=> RenderMaterialsPostCap(request, agentID),
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"RenderMaterials", null);
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caps.RegisterHandler("RenderMaterials", renderMaterialsPostHandler);
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// OpenSimulator CAPs infrastructure seems to be somewhat hostile towards any CAP that requires both GET
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// and POST handlers, (at least at the time this was originally written), so we first set up a POST
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// handler normally and then add a GET handler via MainServer
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IRequestHandler renderMaterialsGetHandler
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= new RestStreamHandler("GET", capsBase + "/",
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(request, path, param, httpRequest, httpResponse)
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=> RenderMaterialsGetCap(request),
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"RenderMaterials", null);
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MainServer.Instance.AddStreamHandler(renderMaterialsGetHandler);
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// materials viewer seems to use either POST or PUT, so assign POST handler for PUT as well
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IRequestHandler renderMaterialsPutHandler
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= new RestStreamHandler("PUT", capsBase + "/",
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(request, path, param, httpRequest, httpResponse)
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=> RenderMaterialsPutCap(request, agentID),
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"RenderMaterials", null);
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MainServer.Instance.AddStreamHandler(renderMaterialsPutHandler);
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}
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private void OnSimulatorFeaturesRequest(UUID agentID, ref OSDMap features)
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{
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features["MaxMaterialsPerTransaction"] = m_maxMaterialsPerTransaction;
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}
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/// <summary>
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/// Finds any legacy materials stored in DynAttrs that may exist for this part and add them to 'm_regionMaterials'.
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/// </summary>
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/// <param name="part"></param>
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private bool GetLegacyStoredMaterialsInPart(SceneObjectPart part)
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{
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if (part.DynAttrs == null)
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return false;
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OSD OSMaterials = null;
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OSDArray matsArr = null;
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bool partchanged = false;
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lock (part.DynAttrs)
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{
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if (part.DynAttrs.ContainsStore("OpenSim", "Materials"))
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{
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OSDMap materialsStore = part.DynAttrs.GetStore("OpenSim", "Materials");
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if (materialsStore == null)
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return false;
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materialsStore.TryGetValue("Materials", out OSMaterials);
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part.DynAttrs.RemoveStore("OpenSim", "Materials");
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partchanged = true;
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}
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if (OSMaterials != null && OSMaterials is OSDArray)
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matsArr = OSMaterials as OSDArray;
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else
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return partchanged;
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}
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if (matsArr == null)
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return partchanged;
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foreach (OSD elemOsd in matsArr)
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{
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if (elemOsd != null && elemOsd is OSDMap)
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{
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OSDMap matMap = elemOsd as OSDMap;
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if (matMap.ContainsKey("ID") && matMap.ContainsKey("Material"))
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{
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try
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{
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lock (materialslock)
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{
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UUID id = matMap["ID"].AsUUID();
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if(m_Materials.ContainsKey(id))
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continue;
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OSDMap theMatMap = (OSDMap)matMap["Material"];
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FaceMaterial fmat = new FaceMaterial(theMatMap);
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if(fmat == null ||
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( fmat.DiffuseAlphaMode == 1
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&& fmat.NormalMapID == UUID.Zero
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&& fmat.SpecularMapID == UUID.Zero))
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continue;
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fmat.ID = id;
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m_Materials[id] = fmat;
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m_MaterialsRefCount[id] = 0;
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}
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}
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catch (Exception e)
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{
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m_log.Warn("[Materials]: exception decoding persisted legacy material: " + e.ToString());
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}
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}
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}
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}
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return partchanged;
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}
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/// <summary>
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/// Find the materials used in the SOP, and add them to 'm_regionMaterials'.
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/// </summary>
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private void GetStoredMaterialsInPart(SceneObjectPart part)
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{
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if (part.Shape == null)
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return;
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bool partchanged = false;
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bool facechanged = false;
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var te = new Primitive.TextureEntry(part.Shape.TextureEntry, 0, part.Shape.TextureEntry.Length);
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if (te == null)
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return;
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partchanged = GetLegacyStoredMaterialsInPart(part);
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if (te.DefaultTexture != null)
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facechanged = GetStoredMaterialInFace(part, te.DefaultTexture);
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else
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m_log.WarnFormat(
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"[Materials]: Default texture for part {0} (part of object {1}) in {2} unexpectedly null. Ignoring.",
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part.Name, part.ParentGroup.Name, m_scene.Name);
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foreach (Primitive.TextureEntryFace face in te.FaceTextures)
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{
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if (face != null)
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facechanged |= GetStoredMaterialInFace(part, face);
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}
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if(facechanged)
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part.Shape.TextureEntry = te.GetBytes(9);
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if(facechanged || partchanged)
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{
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if (part.ParentGroup != null && !part.ParentGroup.IsDeleted)
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part.ParentGroup.HasGroupChanged = true;
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}
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}
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/// <summary>
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/// Find the materials used in one Face, and add them to 'm_regionMaterials'.
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/// </summary>
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private bool GetStoredMaterialInFace(SceneObjectPart part, Primitive.TextureEntryFace face)
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{
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UUID id = face.MaterialID;
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if (id == UUID.Zero)
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return false;
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OSDMap mat;
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lock (materialslock)
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{
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if(m_Materials.ContainsKey(id))
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{
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m_MaterialsRefCount[id]++;
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return false;
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}
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AssetBase matAsset = m_scene.AssetService.Get(id.ToString());
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if (matAsset == null || matAsset.Data == null || matAsset.Data.Length == 0 )
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{
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// grid may just be down...
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return false;
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}
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byte[] data = matAsset.Data;
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// string txt = System.Text.Encoding.ASCII.GetString(data);
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try
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{
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mat = (OSDMap)OSDParser.DeserializeLLSDXml(data);
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}
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catch (Exception e)
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{
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m_log.WarnFormat("[Materials]: cannot decode material asset {0}: {1}", id, e.Message);
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return false;
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}
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FaceMaterial fmat = new FaceMaterial(mat);
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if(fmat == null ||
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(fmat.DiffuseAlphaMode == 1
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&& fmat.NormalMapID == UUID.Zero
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&& fmat.SpecularMapID == UUID.Zero))
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{
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face.MaterialID = UUID.Zero;
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return true;
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}
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fmat.ID = id;
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if (m_Materials.ContainsKey(id))
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{
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m_MaterialsRefCount[id]++;
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}
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else
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{
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m_Materials[id] = fmat;
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m_MaterialsRefCount[id] = 1;
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}
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return false;
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}
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}
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private void RemoveMaterialsInPart(SceneObjectPart part)
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{
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if (part.Shape == null)
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return;
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var te = new Primitive.TextureEntry(part.Shape.TextureEntry, 0, part.Shape.TextureEntry.Length);
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if (te == null)
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return;
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if (te.DefaultTexture != null)
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RemoveMaterialInFace(te.DefaultTexture);
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foreach (Primitive.TextureEntryFace face in te.FaceTextures)
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{
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if(face != null)
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RemoveMaterialInFace(face);
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}
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}
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private void RemoveMaterialInFace(Primitive.TextureEntryFace face)
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{
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UUID id = face.MaterialID;
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if (id == UUID.Zero)
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return;
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lock (materialslock)
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{
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if(!m_Materials.ContainsKey(id))
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return;
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else
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{
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m_MaterialsRefCount[id]--;
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if(m_MaterialsRefCount[id] <= 0)
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{
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FaceMaterial oldFaceMat = m_Materials[id];
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m_changed.Remove(oldFaceMat);
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m_Materials.Remove(id);
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m_MaterialsRefCount.Remove(id);
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m_cache.Expire(id.ToString());
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}
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}
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}
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}
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public string RenderMaterialsPostCap(string request, UUID agentID)
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{
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OSDMap req = (OSDMap)OSDParser.DeserializeLLSDXml(request);
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OSDMap resp = new OSDMap();
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OSDArray respArr = new OSDArray();
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if (req.ContainsKey("Zipped"))
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{
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OSD osd = null;
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byte[] inBytes = req["Zipped"].AsBinary();
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try
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{
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osd = ZDecompressBytesToOsd(inBytes);
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if (osd != null && osd is OSDArray)
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{
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foreach (OSD elem in (OSDArray)osd)
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{
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try
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{
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UUID id = new UUID(elem.AsBinary(), 0);
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lock (materialslock)
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{
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if (m_Materials.ContainsKey(id))
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{
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OSDMap matMap = new OSDMap();
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matMap["ID"] = OSD.FromBinary(id.GetBytes());
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matMap["Material"] = m_Materials[id].toOSD();
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respArr.Add(matMap);
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}
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else
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{
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m_log.Warn("[Materials]: request for unknown material ID: " + id.ToString());
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// Theoretically we could try to load the material from the assets service,
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// but that shouldn't be necessary because the viewer should only request
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// materials that exist in a prim on the region, and all of these materials
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// are already stored in m_regionMaterials.
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}
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}
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}
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catch (Exception e)
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{
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m_log.Error("Error getting materials in response to viewer request", e);
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continue;
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}
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}
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}
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}
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catch (Exception e)
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{
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m_log.Warn("[Materials]: exception decoding zipped CAP payload ", e);
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//return "";
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}
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}
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resp["Zipped"] = ZCompressOSD(respArr, false);
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string response = OSDParser.SerializeLLSDXmlString(resp);
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//m_log.Debug("[Materials]: cap request: " + request);
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//m_log.Debug("[Materials]: cap request (zipped portion): " + ZippedOsdBytesToString(req["Zipped"].AsBinary()));
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//m_log.Debug("[Materials]: cap response: " + response);
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return response;
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}
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public string RenderMaterialsPutCap(string request, UUID agentID)
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{
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OSDMap req = (OSDMap)OSDParser.DeserializeLLSDXml(request);
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OSDMap resp = new OSDMap();
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OSDMap materialsFromViewer = null;
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OSDArray respArr = new OSDArray();
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HashSet<SceneObjectPart> parts = new HashSet<SceneObjectPart>();
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if (req.ContainsKey("Zipped"))
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{
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OSD osd = null;
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byte[] inBytes = req["Zipped"].AsBinary();
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try
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{
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osd = ZDecompressBytesToOsd(inBytes);
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if (osd != null && osd is OSDMap)
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{
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materialsFromViewer = osd as OSDMap;
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if (materialsFromViewer.ContainsKey("FullMaterialsPerFace"))
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{
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OSD matsOsd = materialsFromViewer["FullMaterialsPerFace"];
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if (matsOsd is OSDArray)
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{
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OSDArray matsArr = matsOsd as OSDArray;
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try
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{
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foreach (OSDMap matsMap in matsArr)
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{
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uint primLocalID = 0;
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try
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{
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primLocalID = matsMap["ID"].AsUInteger();
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}
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catch (Exception e)
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{
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m_log.Warn("[Materials]: cannot decode \"ID\" from matsMap: " + e.Message);
|
|
continue;
|
|
}
|
|
|
|
SceneObjectPart sop = m_scene.GetSceneObjectPart(primLocalID);
|
|
if (sop == null)
|
|
{
|
|
m_log.WarnFormat("[Materials]: SOP not found for localId: {0}", primLocalID.ToString());
|
|
continue;
|
|
}
|
|
|
|
if (!m_scene.Permissions.CanEditObject(sop.UUID, agentID))
|
|
{
|
|
m_log.WarnFormat("User {0} can't edit object {1} {2}", agentID, sop.Name, sop.UUID);
|
|
continue;
|
|
}
|
|
|
|
OSDMap mat = null;
|
|
try
|
|
{
|
|
mat = matsMap["Material"] as OSDMap;
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.Warn("[Materials]: cannot decode \"Material\" from matsMap: " + e.Message);
|
|
continue;
|
|
}
|
|
|
|
Primitive.TextureEntry te = new Primitive.TextureEntry(sop.Shape.TextureEntry, 0, sop.Shape.TextureEntry.Length);
|
|
if (te == null)
|
|
{
|
|
m_log.WarnFormat("[Materials]: Error in TextureEntry for SOP {0} {1}", sop.Name, sop.UUID);
|
|
continue;
|
|
}
|
|
|
|
int face = -1;
|
|
UUID oldid = UUID.Zero;
|
|
Primitive.TextureEntryFace faceEntry = null;
|
|
if (matsMap.ContainsKey("Face"))
|
|
{
|
|
face = matsMap["Face"].AsInteger();
|
|
faceEntry = te.CreateFace((uint)face);
|
|
}
|
|
else
|
|
faceEntry = te.DefaultTexture;
|
|
|
|
if (faceEntry == null)
|
|
continue;
|
|
|
|
UUID id;
|
|
FaceMaterial newFaceMat = null;
|
|
if (mat == null)
|
|
{
|
|
// This happens then the user removes a material from a prim
|
|
id = UUID.Zero;
|
|
}
|
|
else
|
|
{
|
|
newFaceMat = new FaceMaterial(mat);
|
|
if(newFaceMat.DiffuseAlphaMode == 1
|
|
&& newFaceMat.NormalMapID == UUID.Zero
|
|
&& newFaceMat.SpecularMapID == UUID.Zero
|
|
)
|
|
id = UUID.Zero;
|
|
else
|
|
{
|
|
newFaceMat.genID();
|
|
id = newFaceMat.ID;
|
|
}
|
|
}
|
|
|
|
oldid = faceEntry.MaterialID;
|
|
|
|
if(oldid == id)
|
|
continue;
|
|
|
|
if (faceEntry != null)
|
|
{
|
|
faceEntry.MaterialID = id;
|
|
//m_log.DebugFormat("[Materials]: in \"{0}\" {1}, setting material ID for face {2} to {3}", sop.Name, sop.UUID, face, id);
|
|
// We can't use sop.UpdateTextureEntry(te) because it filters, so do it manually
|
|
sop.Shape.TextureEntry = te.GetBytes(9);
|
|
}
|
|
|
|
if(oldid != UUID.Zero)
|
|
RemoveMaterial(oldid);
|
|
|
|
lock(materialslock)
|
|
{
|
|
if(id != UUID.Zero)
|
|
{
|
|
if (m_Materials.ContainsKey(id))
|
|
m_MaterialsRefCount[id]++;
|
|
else
|
|
{
|
|
m_Materials[id] = newFaceMat;
|
|
m_MaterialsRefCount[id] = 1;
|
|
m_changed[newFaceMat] = Util.GetTimeStamp();
|
|
}
|
|
}
|
|
}
|
|
|
|
if(!parts.Contains(sop))
|
|
parts.Add(sop);
|
|
}
|
|
|
|
foreach(SceneObjectPart sop in parts)
|
|
{
|
|
if (sop.ParentGroup != null && !sop.ParentGroup.IsDeleted)
|
|
{
|
|
sop.TriggerScriptChangedEvent(Changed.TEXTURE);
|
|
sop.ScheduleFullUpdate();
|
|
sop.ParentGroup.HasGroupChanged = true;
|
|
}
|
|
}
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.Warn("[Materials]: exception processing received material ", e);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
m_log.Warn("[Materials]: exception decoding zipped CAP payload ", e);
|
|
//return "";
|
|
}
|
|
}
|
|
|
|
resp["Zipped"] = ZCompressOSD(respArr, false);
|
|
string response = OSDParser.SerializeLLSDXmlString(resp);
|
|
|
|
//m_log.Debug("[Materials]: cap request: " + request);
|
|
//m_log.Debug("[Materials]: cap request (zipped portion): " + ZippedOsdBytesToString(req["Zipped"].AsBinary()));
|
|
//m_log.Debug("[Materials]: cap response: " + response);
|
|
return response;
|
|
}
|
|
|
|
private AssetBase MakeAsset(FaceMaterial fm, bool local)
|
|
{
|
|
// this are not true assets, should had never been...
|
|
AssetBase asset = null;
|
|
string txt = fm.toLLSDxml();
|
|
byte[] data = System.Text.Encoding.ASCII.GetBytes(txt);
|
|
|
|
asset = new AssetBase(fm.ID, "llmaterial", (sbyte)OpenSimAssetType.Material, "00000000-0000-0000-0000-000000000000");
|
|
asset.Data = data;
|
|
asset.Local = local;
|
|
return asset;
|
|
}
|
|
|
|
public string RenderMaterialsGetCap(string request)
|
|
{
|
|
OSDMap resp = new OSDMap();
|
|
OSDArray allOsd = new OSDArray();
|
|
/*
|
|
// this violates all idea of caching and geting things only if needed, so disabled
|
|
|
|
int matsCount = 0;
|
|
lock (m_Materials)
|
|
{
|
|
foreach (KeyValuePair<UUID, FaceMaterial> kvp in m_Materials)
|
|
{
|
|
OSDMap matMap = new OSDMap();
|
|
matMap["ID"] = OSD.FromBinary(kvp.Key.GetBytes());
|
|
matMap["Material"] = kvp.Value.toOSD();
|
|
allOsd.Add(matMap);
|
|
matsCount++;
|
|
}
|
|
}
|
|
*/
|
|
resp["Zipped"] = ZCompressOSD(allOsd, false);
|
|
|
|
return OSDParser.SerializeLLSDXmlString(resp);
|
|
}
|
|
|
|
private static string ZippedOsdBytesToString(byte[] bytes)
|
|
{
|
|
try
|
|
{
|
|
return OSDParser.SerializeJsonString(ZDecompressBytesToOsd(bytes));
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
return "ZippedOsdBytesToString caught an exception: " + e.ToString();
|
|
}
|
|
}
|
|
|
|
public static OSD ZCompressOSD(OSD inOsd, bool useHeader)
|
|
{
|
|
OSD osd = null;
|
|
|
|
byte[] data = OSDParser.SerializeLLSDBinary(inOsd, useHeader);
|
|
|
|
using (MemoryStream msSinkCompressed = new MemoryStream())
|
|
{
|
|
using (Ionic.Zlib.ZlibStream zOut = new Ionic.Zlib.ZlibStream(msSinkCompressed,
|
|
Ionic.Zlib.CompressionMode.Compress, CompressionLevel.BestCompression, true))
|
|
{
|
|
zOut.Write(data, 0, data.Length);
|
|
}
|
|
|
|
msSinkCompressed.Seek(0L, SeekOrigin.Begin);
|
|
osd = OSD.FromBinary(msSinkCompressed.ToArray());
|
|
}
|
|
|
|
return osd;
|
|
}
|
|
|
|
public static OSD ZDecompressBytesToOsd(byte[] input)
|
|
{
|
|
OSD osd = null;
|
|
|
|
using (MemoryStream msSinkUnCompressed = new MemoryStream())
|
|
{
|
|
using (Ionic.Zlib.ZlibStream zOut = new Ionic.Zlib.ZlibStream(msSinkUnCompressed, CompressionMode.Decompress, true))
|
|
{
|
|
zOut.Write(input, 0, input.Length);
|
|
}
|
|
|
|
msSinkUnCompressed.Seek(0L, SeekOrigin.Begin);
|
|
osd = OSDParser.DeserializeLLSDBinary(msSinkUnCompressed.ToArray());
|
|
}
|
|
|
|
return osd;
|
|
}
|
|
|
|
public FaceMaterial GetMaterial(UUID ID)
|
|
{
|
|
FaceMaterial fm = null;
|
|
if(m_Materials.TryGetValue(ID, out fm))
|
|
return fm;
|
|
return null;
|
|
}
|
|
|
|
public FaceMaterial GetMaterialCopy(UUID ID)
|
|
{
|
|
FaceMaterial fm = null;
|
|
if(m_Materials.TryGetValue(ID, out fm))
|
|
return new FaceMaterial(fm);
|
|
return null;
|
|
}
|
|
|
|
public UUID AddNewMaterial(FaceMaterial fm)
|
|
{
|
|
if(fm.DiffuseAlphaMode == 1 && fm.NormalMapID == UUID.Zero && fm.SpecularMapID == UUID.Zero)
|
|
{
|
|
fm.ID = UUID.Zero;
|
|
return UUID.Zero;
|
|
}
|
|
|
|
fm.genID();
|
|
UUID id = fm.ID;
|
|
lock(materialslock)
|
|
{
|
|
if(m_Materials.ContainsKey(id))
|
|
m_MaterialsRefCount[id]++;
|
|
else
|
|
{
|
|
m_Materials[id] = fm;
|
|
m_MaterialsRefCount[id] = 1;
|
|
m_changed[fm] = Util.GetTimeStamp();
|
|
}
|
|
}
|
|
return id;
|
|
}
|
|
|
|
public void RemoveMaterial(UUID id)
|
|
{
|
|
if(id == UUID.Zero)
|
|
return;
|
|
|
|
lock(materialslock)
|
|
{
|
|
if(m_Materials.ContainsKey(id))
|
|
{
|
|
m_MaterialsRefCount[id]--;
|
|
if(m_MaterialsRefCount[id] <= 0)
|
|
{
|
|
FaceMaterial fm = m_Materials[id];
|
|
m_changed.Remove(fm);
|
|
m_Materials.Remove(id);
|
|
m_MaterialsRefCount.Remove(id);
|
|
m_cache.Expire(id.ToString());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|