1 files changed, 124 insertions, 0 deletions

diff --git a/OpenSim/Region/CoreModules/Framework/DynamicAttributes/DAExampleModule.cs b/OpenSim/Region/CoreModules/Framework/DynamicAttributes/DAExampleModule.cs
new file mode 100644
index 0000000..0c632b1
--- /dev/null
+++ b/OpenSim/Region/CoreModules/Framework/DynamicAttributes/DAExampleModule.cs
@@ -0,0 +1,124 @@
+/*
+ * 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 log4net;
+using Mono.Addins;
+using Nini.Config;
+using OpenMetaverse;
+using OpenMetaverse.Packets;
+using OpenMetaverse.StructuredData;
+using OpenSim.Framework;
+using OpenSim.Region.Framework;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes;
+
+namespace OpenSim.Region.CoreModules.Framework.DynamicAttributes.DAExampleModule
+{
+    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "DAExampleModule")]
+    public class DAExampleModule : INonSharedRegionModule
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        private readonly bool ENABLED = false;   // enable for testing
+
+        public const string Namespace = "Example";
+        public const string StoreName = "DA";
+
+        protected Scene m_scene;
+        protected IDialogModule m_dialogMod;
+        
+        public string Name { get { return "DAExample Module"; } }        
+        public Type ReplaceableInterface { get { return null; } }        
+
+        public void Initialise(IConfigSource source) {}
+        
+        public void AddRegion(Scene scene)
+        {
+            if (ENABLED)
+            {
+                m_scene = scene;
+                m_scene.EventManager.OnSceneGroupMove += OnSceneGroupMove;
+                m_dialogMod = m_scene.RequestModuleInterface<IDialogModule>();
+
+                m_log.DebugFormat("[DA EXAMPLE MODULE]: Added region {0}", m_scene.Name);
+            }
+        }
+        
+        public void RemoveRegion(Scene scene) 
+        {
+            if (ENABLED)
+            {
+                m_scene.EventManager.OnSceneGroupMove -= OnSceneGroupMove;
+            }
+        }
+        
+        public void RegionLoaded(Scene scene) {}
+        
+        public void Close() 
+        {
+            RemoveRegion(m_scene);
+        }
+        
+        protected bool OnSceneGroupMove(UUID groupId, Vector3 delta)
+        {
+            OSDMap attrs = null;
+            SceneObjectPart sop = m_scene.GetSceneObjectPart(groupId);
+
+            if (sop == null)
+                return true;
+
+            if (!sop.DynAttrs.TryGetStore(Namespace, StoreName, out attrs))
+                attrs = new OSDMap();
+            
+            OSDInteger newValue;
+
+            // We have to lock on the entire dynamic attributes map to avoid race conditions with serialization code.
+            lock (sop.DynAttrs)            
+            {
+                if (!attrs.ContainsKey("moves"))
+                    newValue = new OSDInteger(1);
+                else
+                    newValue = new OSDInteger(attrs["moves"].AsInteger() + 1);
+                        
+                attrs["moves"] = newValue;
+
+                sop.DynAttrs.SetStore(Namespace, StoreName, attrs);
+            }
+
+            sop.ParentGroup.HasGroupChanged = true;
+    
+            string msg = string.Format("{0} {1} moved {2} times", sop.Name, sop.UUID, newValue);
+            m_log.DebugFormat("[DA EXAMPLE MODULE]: {0}", msg);
+            m_dialogMod.SendGeneralAlert(msg);
+            
+            return true;
+        }
+    }
+}
\ No newline at end of file