1 files changed, 173 insertions, 0 deletions

diff --git a/OpenSim/Region/OptionalModules/ViewerSupport/CameraOnlyModeModule.cs b/OpenSim/Region/OptionalModules/ViewerSupport/CameraOnlyModeModule.cs
new file mode 100644
index 0000000..c56e029
--- /dev/null
+++ b/OpenSim/Region/OptionalModules/ViewerSupport/CameraOnlyModeModule.cs
@@ -0,0 +1,173 @@
+/*
+ * 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.IO;
+using System.Reflection;
+using System.Text;
+using System.Collections.Generic;
+using System.Threading;
+
+using OpenMetaverse;
+using OpenMetaverse.StructuredData;
+using OpenSim;
+using OpenSim.Region;
+using OpenSim.Region.Framework;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Framework;
+//using OpenSim.Framework.Capabilities;
+using OpenSim.Framework.Servers;
+using OpenSim.Framework.Servers.HttpServer;
+using Nini.Config;
+using log4net;
+using Mono.Addins;
+using OSDMap = OpenMetaverse.StructuredData.OSDMap;
+using TeleportFlags = OpenSim.Framework.Constants.TeleportFlags;
+
+namespace OpenSim.Region.OptionalModules.ViewerSupport
+{
+    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "CameraOnlyMode")]
+    public class CameraOnlyModeModule : INonSharedRegionModule
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        private Scene m_scene;
+        private SimulatorFeaturesHelper m_Helper;
+        private bool m_Enabled;
+        private int m_UserLevel;
+
+        public string Name
+        {
+            get { return "CameraOnlyModeModule"; }
+        }
+
+        public Type ReplaceableInterface
+        {
+            get { return null; }
+        }
+
+        public void Initialise(IConfigSource config)
+        {
+            IConfig moduleConfig = config.Configs["CameraOnlyModeModule"];
+            if (moduleConfig != null)
+            {
+                m_Enabled = moduleConfig.GetBoolean("enabled", false);
+                if (m_Enabled)
+                {
+                    m_UserLevel = moduleConfig.GetInt("UserLevel", 0);
+                    m_log.Info("[CAMERA-ONLY MODE]: CameraOnlyModeModule enabled");
+                }
+
+            }
+        }
+
+        public void Close()
+        {
+        }
+
+        public void AddRegion(Scene scene)
+        {
+            if (m_Enabled)
+            {
+                m_scene = scene;
+                IEntityTransferModule et = m_scene.RequestModuleInterface<IEntityTransferModule>();
+                m_Helper = new SimulatorFeaturesHelper(scene, et);
+                //m_scene.EventManager.OnMakeRootAgent += (OnMakeRootAgent);
+            }
+        }
+
+        //private void OnMakeRootAgent(ScenePresence obj)
+        //{
+        //    throw new NotImplementedException();
+        //}
+
+        public void RegionLoaded(Scene scene)
+        {
+            if (m_Enabled)
+            {
+                ISimulatorFeaturesModule featuresModule = m_scene.RequestModuleInterface<ISimulatorFeaturesModule>();
+
+                if (featuresModule != null && m_Enabled)
+                    featuresModule.OnSimulatorFeaturesRequest += OnSimulatorFeaturesRequest;
+            }
+        }
+
+        public void RemoveRegion(Scene scene)
+        {
+        }
+
+        private void OnSimulatorFeaturesRequest(UUID agentID, ref OSDMap features)
+        {
+            m_log.DebugFormat("[CAMERA-ONLY MODE]: OnSimulatorFeaturesRequest in {0}", m_scene.RegionInfo.RegionName);
+            if (m_Helper.ShouldSend(agentID) && m_Helper.UserLevel(agentID) <= m_UserLevel)
+            {
+                OSDMap extrasMap;
+                if (features.ContainsKey("OpenSimExtras"))
+                {
+                    extrasMap = (OSDMap)features["OpenSimExtras"];
+                }
+                else
+                {
+                    extrasMap = new OSDMap();
+                    features["OpenSimExtras"] = extrasMap;
+                }
+                extrasMap["camera-only-mode"] = OSDMap.FromString("true");
+                m_log.DebugFormat("[CAMERA-ONLY MODE]: Sent in {0}", m_scene.RegionInfo.RegionName);
+                Util.FireAndForget(delegate { DetachAttachments(agentID); });
+            }
+            else
+                m_log.DebugFormat("[CAMERA-ONLY MODE]: NOT Sending camera-only-mode in {0}", m_scene.RegionInfo.RegionName);
+        }
+
+        private void DetachAttachments(UUID agentID)
+        {
+            ScenePresence sp = m_scene.GetScenePresence(agentID);
+            if ((sp.TeleportFlags & TeleportFlags.ViaLogin) != 0)
+                // Wait a little, cos there's weird stuff going on at  login related to
+                // the Current Outfit Folder
+                Thread.Sleep(8000);
+
+            if (sp != null && m_scene.AttachmentsModule != null)
+            {
+                List<SceneObjectGroup> attachs = sp.GetAttachments();
+                if (attachs != null && attachs.Count > 0)
+                {
+                    foreach (SceneObjectGroup sog in attachs)
+                    {
+                        m_log.DebugFormat("[CAMERA-ONLY MODE]: Forcibly detaching attach {0} from {1} in {2}", 
+                            sog.Name, sp.Name, m_scene.RegionInfo.RegionName);
+
+                        m_scene.AttachmentsModule.DetachSingleAttachmentToInv(sp, sog);
+                    }
+                }
+            }
+        }
+
+    }
+
+}