this is step 2 of 2 of the OpenSim.Region.Environment refactor.

NOTHING has been deleted or moved off to forge at this point.  what
has happened is that OpenSim.Region.Environment.Modules has been split
in two:

- OpenSim.Region.CoreModules: all those modules that are either
  directly or indirectly referenced from  other  OpenSim packages, or
  that provide functionality that the OpenSim developer community
  considers core functionality:

      CoreModules/Agent/AssetTransaction
      CoreModules/Agent/Capabilities
      CoreModules/Agent/TextureDownload
      CoreModules/Agent/TextureSender
      CoreModules/Agent/TextureSender/Tests
      CoreModules/Agent/Xfer
      CoreModules/Avatar/AvatarFactory
      CoreModules/Avatar/Chat/ChatModule
      CoreModules/Avatar/Combat
      CoreModules/Avatar/Currency/SampleMoney
      CoreModules/Avatar/Dialog
      CoreModules/Avatar/Friends
      CoreModules/Avatar/Gestures
      CoreModules/Avatar/Groups
      CoreModules/Avatar/InstantMessage
      CoreModules/Avatar/Inventory
      CoreModules/Avatar/Inventory/Archiver
      CoreModules/Avatar/Inventory/Transfer
      CoreModules/Avatar/Lure
      CoreModules/Avatar/ObjectCaps
      CoreModules/Avatar/Profiles
      CoreModules/Communications/Local
      CoreModules/Communications/REST
      CoreModules/Framework/EventQueue
      CoreModules/Framework/InterfaceCommander
      CoreModules/Hypergrid
      CoreModules/InterGrid
      CoreModules/Scripting/DynamicTexture
      CoreModules/Scripting/EMailModules
      CoreModules/Scripting/HttpRequest
      CoreModules/Scripting/LoadImageURL
      CoreModules/Scripting/VectorRender
      CoreModules/Scripting/WorldComm
      CoreModules/Scripting/XMLRPC
      CoreModules/World/Archiver
      CoreModules/World/Archiver/Tests
      CoreModules/World/Estate
      CoreModules/World/Land
      CoreModules/World/Permissions
      CoreModules/World/Serialiser
      CoreModules/World/Sound
      CoreModules/World/Sun
      CoreModules/World/Terrain
      CoreModules/World/Terrain/DefaultEffects
      CoreModules/World/Terrain/DefaultEffects/bin
      CoreModules/World/Terrain/DefaultEffects/bin/Debug
      CoreModules/World/Terrain/Effects
      CoreModules/World/Terrain/FileLoaders
      CoreModules/World/Terrain/FloodBrushes
      CoreModules/World/Terrain/PaintBrushes
      CoreModules/World/Terrain/Tests
      CoreModules/World/Vegetation
      CoreModules/World/Wind
      CoreModules/World/WorldMap

- OpenSim.Region.OptionalModules: all those modules that are not core
  modules:

      OptionalModules/Avatar/Chat/IRC-stuff
      OptionalModules/Avatar/Concierge
      OptionalModules/Avatar/Voice/AsterixVoice
      OptionalModules/Avatar/Voice/SIPVoice
      OptionalModules/ContentManagementSystem
      OptionalModules/Grid/Interregion
      OptionalModules/Python
      OptionalModules/SvnSerialiser
      OptionalModules/World/NPC
      OptionalModules/World/TreePopulator

1 files changed, 304 insertions, 0 deletions

diff --git a/OpenSim/Region/OptionalModules/World/TreePopulator/TreePopulatorModule.cs b/OpenSim/Region/OptionalModules/World/TreePopulator/TreePopulatorModule.cs
new file mode 100644
index 0000000..94ebcac
--- /dev/null
+++ b/OpenSim/Region/OptionalModules/World/TreePopulator/TreePopulatorModule.cs
@@ -0,0 +1,304 @@
+/*
+ * 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 OpenSim 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.Timers;
+using OpenMetaverse;
+using log4net;
+using Nini.Config;
+using OpenSim.Framework;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes;
+
+namespace OpenSim.Region.OptionalModules.World.TreePopulator
+{
+    /// <summary>
+    /// Version 2.0 - Very hacky compared to the original. Will fix original and release as 0.3 later.
+    /// </summary>
+    public class TreePopulatorModule : IRegionModule
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        private Scene m_scene;
+
+        public double m_tree_density = 50.0; // Aim for this many per region
+        public double m_tree_updates = 1000.0; // MS between updates
+        private bool m_active_trees = false;
+        private List<UUID> m_trees;
+        Timer CalculateTrees;
+
+        #region IRegionModule Members
+
+        public void Initialise(Scene scene, IConfigSource config)
+        {
+            try
+            {
+                m_tree_density = config.Configs["Trees"].GetDouble("tree_density", m_tree_density);
+                m_active_trees = config.Configs["Trees"].GetBoolean("active_trees", m_active_trees);
+            }
+            catch (Exception)
+            {
+            }
+
+            m_trees = new List<UUID>();
+            m_scene = scene;
+
+            m_scene.EventManager.OnPluginConsole += EventManager_OnPluginConsole;
+
+            if (m_active_trees)
+                activeizeTreeze(true);
+
+            m_log.Debug("[TREES]: Initialised tree module");
+        }
+
+        public void PostInitialise()
+        {
+        }
+
+        public void Close()
+        {
+        }
+
+        public string Name
+        {
+            get { return "TreePopulatorModule"; }
+        }
+
+        public bool IsSharedModule
+        {
+            get { return false; }
+        }
+
+        #endregion
+
+        private void EventManager_OnPluginConsole(string[] args)
+        {
+            if (args.Length == 1)
+            {
+                if (args[0] == "tree")
+                {
+                    UUID uuid = m_scene.RegionInfo.EstateSettings.EstateOwner;
+                    if (uuid == UUID.Zero)
+                        uuid = m_scene.RegionInfo.MasterAvatarAssignedUUID;
+                    m_log.Debug("[TREES]: New tree planting");
+                    CreateTree(uuid, new Vector3(128.0f, 128.0f, 0.0f));
+                    
+                }
+            }
+
+            if (args.Length == 2 || args.Length == 3)
+            {
+                if (args[1] == "active")
+                {
+                    if (args.Length >= 3)
+                    {
+                        if (args[2] == "true" && !m_active_trees)
+                        {
+                            m_active_trees = true;
+                            activeizeTreeze(m_active_trees);
+                            m_log.Info("[TREES]: Activizing Trees");
+                        }
+                        if (args[2] == "false" && m_active_trees)
+                        {
+                            m_active_trees = false;
+                            activeizeTreeze(m_active_trees);
+                            m_log.Info("[TREES]: Trees no longer Active, for now...");
+                        }
+                    }
+                    else
+                    {
+                        m_log.Info("[TREES]: When setting the tree module active via the console, you must specify true or false");
+                    }
+                }
+            }
+
+        }
+
+        private void activeizeTreeze(bool activeYN)
+        {
+            if (activeYN)
+            {
+                CalculateTrees = new Timer(m_tree_updates);
+                CalculateTrees.Elapsed += CalculateTrees_Elapsed;
+                CalculateTrees.Start();
+            }
+            else 
+            {
+                 CalculateTrees.Stop();
+            }
+        } 
+
+        private void growTrees()
+        {
+            foreach (UUID tree in m_trees)
+            {
+                if (m_scene.Entities.ContainsKey(tree))
+                {
+                    SceneObjectPart s_tree = ((SceneObjectGroup) m_scene.Entities[tree]).RootPart;
+
+                    // 100 seconds to grow 1m
+                    s_tree.Scale += new Vector3(0.1f, 0.1f, 0.1f);
+                    s_tree.SendFullUpdateToAllClients();
+                    //s_tree.ScheduleTerseUpdate();
+                }
+                else
+                {
+                    m_trees.Remove(tree);
+                }
+            }
+        }
+
+        private void seedTrees()
+        {
+            foreach (UUID tree in m_trees)
+            {
+                if (m_scene.Entities.ContainsKey(tree))
+                {
+                    SceneObjectPart s_tree = ((SceneObjectGroup) m_scene.Entities[tree]).RootPart;
+
+                    if (s_tree.Scale.X > 0.5)
+                    {
+                        if (Util.RandomClass.NextDouble() > 0.75)
+                        {
+                            SpawnChild(s_tree);
+                        }
+                    }
+                }
+                else
+                {
+                    m_trees.Remove(tree);
+                }
+            }
+        }
+
+        private void killTrees()
+        {
+            foreach (UUID tree in m_trees)
+            {
+                double killLikelyhood = 0.0;
+
+                if (m_scene.Entities.ContainsKey(tree))
+                {
+                    SceneObjectPart selectedTree = ((SceneObjectGroup) m_scene.Entities[tree]).RootPart;
+                    double selectedTreeScale = Math.Sqrt(Math.Pow(selectedTree.Scale.X, 2) +
+                                                         Math.Pow(selectedTree.Scale.Y, 2) +
+                                                         Math.Pow(selectedTree.Scale.Z, 2));
+
+                    foreach (UUID picktree in m_trees)
+                    {
+                        if (picktree != tree)
+                        {
+                            SceneObjectPart pickedTree = ((SceneObjectGroup) m_scene.Entities[picktree]).RootPart;
+
+                            double pickedTreeScale = Math.Sqrt(Math.Pow(pickedTree.Scale.X, 2) +
+                                                               Math.Pow(pickedTree.Scale.Y, 2) +
+                                                               Math.Pow(pickedTree.Scale.Z, 2));
+
+                            double pickedTreeDistance = Math.Sqrt(Math.Pow(Math.Abs(pickedTree.AbsolutePosition.X - selectedTree.AbsolutePosition.X), 2) +
+                                                                  Math.Pow(Math.Abs(pickedTree.AbsolutePosition.Y - selectedTree.AbsolutePosition.Y), 2) +
+                                                                  Math.Pow(Math.Abs(pickedTree.AbsolutePosition.Z - selectedTree.AbsolutePosition.Z), 2));
+
+                            killLikelyhood += (selectedTreeScale / (pickedTreeScale * pickedTreeDistance)) * 0.1;
+                        }
+                    }
+
+                    if (Util.RandomClass.NextDouble() < killLikelyhood)
+                    {
+                        m_scene.DeleteSceneObject(selectedTree.ParentGroup, false);
+                        m_trees.Remove(selectedTree.ParentGroup.UUID);
+
+                        m_scene.ForEachClient(delegate(IClientAPI controller)
+                                                  {
+                                                      controller.SendKillObject(m_scene.RegionInfo.RegionHandle,
+                                                                                selectedTree.LocalId);
+                                                  });
+
+                        break;
+                    }
+                    selectedTree.SetText(killLikelyhood.ToString(), new Vector3(1.0f, 1.0f, 1.0f), 1.0);
+                }
+                else
+                {
+                    m_trees.Remove(tree);
+                }
+            }
+        }
+
+        private void SpawnChild(SceneObjectPart s_tree)
+        {
+            Vector3 position = new Vector3();
+
+            position.X = s_tree.AbsolutePosition.X + (1 * (-1 * Util.RandomClass.Next(1)));
+            if (position.X > 255)
+                position.X = 255;
+            if (position.X < 0)
+                position.X = 0;
+            position.Y = s_tree.AbsolutePosition.Y + (1 * (-1 * Util.RandomClass.Next(1)));
+            if (position.Y > 255)
+                position.Y = 255;
+            if (position.Y < 0)
+                position.Y = 0;
+
+            double randX = ((Util.RandomClass.NextDouble() * 2.0) - 1.0) * (s_tree.Scale.X * 3);
+            double randY = ((Util.RandomClass.NextDouble() * 2.0) - 1.0) * (s_tree.Scale.X * 3);
+
+            position.X += (float) randX;
+            position.Y += (float) randY;
+
+            UUID uuid = m_scene.RegionInfo.EstateSettings.EstateOwner;
+            if (uuid == UUID.Zero)
+                uuid = m_scene.RegionInfo.MasterAvatarAssignedUUID;
+
+            CreateTree(uuid, position);
+        }
+
+        private void CreateTree(UUID uuid, Vector3 position)
+        {
+            position.Z = (float) m_scene.Heightmap[(int) position.X, (int) position.Y];
+
+            IVegetationModule module = m_scene.RequestModuleInterface<IVegetationModule>();
+            
+            if (null == module)
+                return;
+            
+            SceneObjectGroup tree 
+                = module.AddTree(
+                    uuid, UUID.Zero, new Vector3(0.1f, 0.1f, 0.1f), Quaternion.Identity, position, Tree.Cypress1, false);
+            
+            m_trees.Add(tree.UUID);
+            tree.SendGroupFullUpdate();
+        }
+
+        private void CalculateTrees_Elapsed(object sender, ElapsedEventArgs e)
+        {
+            growTrees();
+            seedTrees();
+            killTrees();
+        }
+    }
+}