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path: root/OpenSim/Region/ClientStack/Linden/Caps/UploadBakedTextureModule.cs
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/*
 * 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;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Drawing;
using System.Drawing.Imaging;
using System.Reflection;
using System.IO;
using System.Web;
using log4net;
using Nini.Config;
using Mono.Addins;
using OpenMetaverse;
using OpenMetaverse.StructuredData;
using OpenMetaverse.Imaging;
using OpenSim.Framework;
using OpenSim.Framework.Servers;
using OpenSim.Framework.Servers.HttpServer;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using OpenSim.Services.Interfaces;
using Caps = OpenSim.Framework.Capabilities.Caps;
using OpenSim.Capabilities.Handlers;

namespace OpenSim.Region.ClientStack.Linden
{
    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "UploadBakedTextureModule")]
    public class UploadBakedTextureModule : INonSharedRegionModule
    {
       private static readonly ILog m_log =
            LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

        /// <summary>
        /// For historical reasons this is fixed, but there
        /// </summary>
        private static readonly string m_uploadBakedTexturePath = "0010/";// This is in the LandManagementModule.

        private Scene m_scene;
        private bool m_persistBakedTextures;
        private string m_URL;

        private IBakedTextureModule m_BakedTextureModule;

        public void Initialise(IConfigSource source)
        {
            IConfig config = source.Configs["ClientStack.LindenCaps"];
            if (config == null)
                return;

            m_URL = config.GetString("Cap_UploadBakedTexture", string.Empty);

            IConfig appearanceConfig = source.Configs["Appearance"];
            if (appearanceConfig != null)
                m_persistBakedTextures = appearanceConfig.GetBoolean("PersistBakedTextures", m_persistBakedTextures);


        }

        public void AddRegion(Scene s)
        {
            m_scene = s;
           
        }

        public void RemoveRegion(Scene s)
        {
            s.EventManager.OnRegisterCaps -= RegisterCaps;
            s.EventManager.OnNewPresence -= RegisterNewPresence;
            s.EventManager.OnRemovePresence -= DeRegisterPresence;
            m_BakedTextureModule = null;
            m_scene = null;
        }

       

        public void RegionLoaded(Scene s)
        {
            m_scene.EventManager.OnRegisterCaps += RegisterCaps;
            m_scene.EventManager.OnNewPresence += RegisterNewPresence;
            m_scene.EventManager.OnRemovePresence += DeRegisterPresence;
            
        }

        private void DeRegisterPresence(UUID agentId)
        {
            ScenePresence presence = null;
            if (m_scene.TryGetScenePresence(agentId, out presence))
            {
                presence.ControllingClient.OnSetAppearance -= CaptureAppearanceSettings;
            }

        }

        private void RegisterNewPresence(ScenePresence presence)
        {
           presence.ControllingClient.OnSetAppearance += CaptureAppearanceSettings;

        }

        private void CaptureAppearanceSettings(IClientAPI remoteClient, Primitive.TextureEntry textureEntry, byte[] visualParams, Vector3 avSize, WearableCacheItem[] cacheItems)
        {
            int maxCacheitemsLoop = cacheItems.Length;
            if (maxCacheitemsLoop > AvatarWearable.MAX_WEARABLES)
            {
                maxCacheitemsLoop = AvatarWearable.MAX_WEARABLES;
                m_log.WarnFormat("[CACHEDBAKES]: Too Many Cache items Provided {0}, the max is {1}.  Truncating!", cacheItems.Length, AvatarWearable.MAX_WEARABLES);
            }

            m_BakedTextureModule = m_scene.RequestModuleInterface<IBakedTextureModule>();
            if (cacheItems.Length > 0)
            {
                m_log.Debug("[Cacheitems]: " + cacheItems.Length);
                for (int iter = 0; iter < maxCacheitemsLoop; iter++)
                {
                    m_log.Debug("[Cacheitems] {" + iter + "/" + cacheItems[iter].TextureIndex + "}: c-" + cacheItems[iter].CacheId + ", t-" +
                                      cacheItems[iter].TextureID);
                }
               
                ScenePresence p = null;
                if (m_scene.TryGetScenePresence(remoteClient.AgentId, out p))
                {

                    WearableCacheItem[] existingitems = p.Appearance.WearableCacheItems;
                    if (existingitems == null)
                    {
                        if (m_BakedTextureModule != null)
                        {
                            WearableCacheItem[] savedcache = null;
                            try
                            {
                                if (p.Appearance.WearableCacheItemsDirty)
                                {
                                    savedcache = m_BakedTextureModule.Get(p.UUID);
                                    p.Appearance.WearableCacheItems = savedcache;
                                    p.Appearance.WearableCacheItemsDirty = false;
                                }

                            }
                            /*
                             * The following Catch types DO NOT WORK with m_BakedTextureModule.Get
                             * it jumps to the General Packet Exception Handler if you don't catch Exception!
                             * 
                            catch (System.Net.Sockets.SocketException)
                            {
                                cacheItems = null;
                            }
                            catch (WebException)
                            {
                                cacheItems = null;
                            }
                            catch (InvalidOperationException)
                            {
                                cacheItems = null;
                            } */
                            catch (Exception)
                            {
                               // The service logs a sufficient error message.
                            }
                            

                            if (savedcache != null)
                                existingitems = savedcache;
                        }
                    }
                    // Existing items null means it's a fully new appearance
                    if (existingitems == null)
                    {

                        for (int i = 0; i < maxCacheitemsLoop; i++)
                        {
                            if (textureEntry.FaceTextures.Length > cacheItems[i].TextureIndex)
                            {
                                Primitive.TextureEntryFace face = textureEntry.FaceTextures[cacheItems[i].TextureIndex];
                                if (face == null)
                                {
                                    textureEntry.CreateFace(cacheItems[i].TextureIndex);
                                    textureEntry.FaceTextures[cacheItems[i].TextureIndex].TextureID =
                                        AppearanceManager.DEFAULT_AVATAR_TEXTURE;
                                    continue;
                                }
                                cacheItems[i].TextureID =face.TextureID;
                                if (m_scene.AssetService != null)
                                    cacheItems[i].TextureAsset =
                                        m_scene.AssetService.GetCached(cacheItems[i].TextureID.ToString());
                            }
                            else
                            {
                                m_log.WarnFormat("[CACHEDBAKES]: Invalid Texture Index Provided, Texture doesn't exist or hasn't been uploaded yet {0}, the max is {1}.  Skipping!", cacheItems[i].TextureIndex, textureEntry.FaceTextures.Length);
                            }


                        }
                    }
                    else


                    {
                        // for each uploaded baked texture
                        for (int i = 0; i < maxCacheitemsLoop; i++)
                        {
                            if (textureEntry.FaceTextures.Length > cacheItems[i].TextureIndex)
                            {
                                Primitive.TextureEntryFace face = textureEntry.FaceTextures[cacheItems[i].TextureIndex];
                                if (face == null)
                                {
                                    textureEntry.CreateFace(cacheItems[i].TextureIndex);
                                    textureEntry.FaceTextures[cacheItems[i].TextureIndex].TextureID =
                                        AppearanceManager.DEFAULT_AVATAR_TEXTURE;
                                    continue;
                                }
                                cacheItems[i].TextureID =
                                    face.TextureID;
                            }
                            else
                            {
                                m_log.WarnFormat("[CACHEDBAKES]: Invalid Texture Index Provided, Texture doesn't exist or hasn't been uploaded yet {0}, the max is {1}.  Skipping!", cacheItems[i].TextureIndex, textureEntry.FaceTextures.Length);
                            }
                        }

                        for (int i = 0; i < maxCacheitemsLoop; i++)
                        {
                            if (cacheItems[i].TextureAsset == null)
                            {
                                cacheItems[i].TextureAsset =
                                    m_scene.AssetService.GetCached(cacheItems[i].TextureID.ToString());
                            }
                        }
                    }



                    p.Appearance.WearableCacheItems = cacheItems;
                    
                   

                    if (m_BakedTextureModule != null)
                    {
                        m_BakedTextureModule.Store(remoteClient.AgentId, cacheItems);
                        p.Appearance.WearableCacheItemsDirty = true;
                        
                    }
                }
            }
        }

        public void PostInitialise()
        {
        }



        public void Close() { }

        public string Name { get { return "UploadBakedTextureModule"; } }

        public Type ReplaceableInterface
        {
            get { return null; }
        }

        public void RegisterCaps(UUID agentID, Caps caps)
        {
            UploadBakedTextureHandler avatarhandler = new UploadBakedTextureHandler(
                caps, m_scene.AssetService, m_persistBakedTextures);

            UUID capID = UUID.Random();

            //caps.RegisterHandler("GetTexture", new StreamHandler("GET", "/CAPS/" + capID, ProcessGetTexture));
            if (m_URL == "localhost")
            {
                caps.RegisterHandler(
                    "UploadBakedTexture",
                    new RestStreamHandler(
                        "POST",
                        "/CAPS/" + caps.CapsObjectPath + m_uploadBakedTexturePath,
                        avatarhandler.UploadBakedTexture,
                        "UploadBakedTexture",
                        agentID.ToString()));
                
            }
            else
            {
                caps.RegisterHandler("UploadBakedTexture", m_URL);
            }

        }
    }
}