opensim – Rev 1
?pathlinks?
/*
* 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 System.Timers;
using OpenMetaverse;
using log4net;
using Mono.Addins;
using Nini.Config;
using OpenSim.Framework;
using OpenSim.Region.CoreModules.Framework.InterfaceCommander;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using System.Xml;
using System.Xml.Serialization;
using System.IO;
namespace OpenSim.Region.OptionalModules.World.TreePopulator
{
/// <summary>
/// Version 2.02 - Still hacky
/// </summary>
[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "TreePopulatorModule")]
public class TreePopulatorModule : INonSharedRegionModule, ICommandableModule, IVegetationModule
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private readonly Commander m_commander = new Commander("tree");
private Scene m_scene;
[XmlRootAttribute(ElementName = "Copse", IsNullable = false)]
public class Copse
{
public string m_name;
public Boolean m_frozen;
public Tree m_tree_type;
public int m_tree_quantity;
public float m_treeline_low;
public float m_treeline_high;
public Vector3 m_seed_point;
public double m_range;
public Vector3 m_initial_scale;
public Vector3 m_maximum_scale;
public Vector3 m_rate;
[XmlIgnore]
public Boolean m_planted;
[XmlIgnore]
public List<UUID> m_trees;
public Copse()
{
}
public Copse(string fileName, Boolean planted)
{
Copse cp = (Copse)DeserializeObject(fileName);
this.m_name = cp.m_name;
this.m_frozen = cp.m_frozen;
this.m_tree_quantity = cp.m_tree_quantity;
this.m_treeline_high = cp.m_treeline_high;
this.m_treeline_low = cp.m_treeline_low;
this.m_range = cp.m_range;
this.m_tree_type = cp.m_tree_type;
this.m_seed_point = cp.m_seed_point;
this.m_initial_scale = cp.m_initial_scale;
this.m_maximum_scale = cp.m_maximum_scale;
this.m_initial_scale = cp.m_initial_scale;
this.m_rate = cp.m_rate;
this.m_planted = planted;
this.m_trees = new List<UUID>();
}
public Copse(string copsedef)
{
char[] delimiterChars = {':', ';'};
string[] field = copsedef.Split(delimiterChars);
this.m_name = field[1].Trim();
this.m_frozen = (copsedef[0] == 'F');
this.m_tree_quantity = int.Parse(field[2]);
this.m_treeline_high = float.Parse(field[3], Culture.NumberFormatInfo);
this.m_treeline_low = float.Parse(field[4], Culture.NumberFormatInfo);
this.m_range = double.Parse(field[5], Culture.NumberFormatInfo);
this.m_tree_type = (Tree) Enum.Parse(typeof(Tree),field[6]);
this.m_seed_point = Vector3.Parse(field[7]);
this.m_initial_scale = Vector3.Parse(field[8]);
this.m_maximum_scale = Vector3.Parse(field[9]);
this.m_rate = Vector3.Parse(field[10]);
this.m_planted = true;
this.m_trees = new List<UUID>();
}
public Copse(string name, int quantity, float high, float low, double range, Vector3 point, Tree type, Vector3 scale, Vector3 max_scale, Vector3 rate, List<UUID> trees)
{
this.m_name = name;
this.m_frozen = false;
this.m_tree_quantity = quantity;
this.m_treeline_high = high;
this.m_treeline_low = low;
this.m_range = range;
this.m_tree_type = type;
this.m_seed_point = point;
this.m_initial_scale = scale;
this.m_maximum_scale = max_scale;
this.m_rate = rate;
this.m_planted = false;
this.m_trees = trees;
}
public override string ToString()
{
string frozen = (this.m_frozen ? "F" : "A");
return string.Format("{0}TPM: {1}; {2}; {3:0.0}; {4:0.0}; {5:0.0}; {6}; {7:0.0}; {8:0.0}; {9:0.0}; {10:0.00};",
frozen,
this.m_name,
this.m_tree_quantity,
this.m_treeline_high,
this.m_treeline_low,
this.m_range,
this.m_tree_type,
this.m_seed_point.ToString(),
this.m_initial_scale.ToString(),
this.m_maximum_scale.ToString(),
this.m_rate.ToString());
}
}
private List<Copse> m_copse;
private double m_update_ms = 1000.0; // msec between updates
private bool m_active_trees = false;
Timer CalculateTrees;
#region ICommandableModule Members
public ICommander CommandInterface
{
get { return m_commander; }
}
#endregion
#region Region Module interface
public void Initialise(IConfigSource config)
{
// ini file settings
try
{
m_active_trees = config.Configs["Trees"].GetBoolean("active_trees", m_active_trees);
}
catch (Exception)
{
m_log.Debug("[TREES]: ini failure for active_trees - using default");
}
try
{
m_update_ms = config.Configs["Trees"].GetDouble("update_rate", m_update_ms);
}
catch (Exception)
{
m_log.Debug("[TREES]: ini failure for update_rate - using default");
}
InstallCommands();
m_log.Debug("[TREES]: Initialised tree module");
}
public void AddRegion(Scene scene)
{
m_scene = scene;
m_scene.RegisterModuleCommander(m_commander);
m_scene.EventManager.OnPluginConsole += EventManager_OnPluginConsole;
}
public void RemoveRegion(Scene scene)
{
}
public void RegionLoaded(Scene scene)
{
ReloadCopse();
if (m_copse.Count > 0)
m_log.Info("[TREES]: Copse load complete");
if (m_active_trees)
activeizeTreeze(true);
}
public void Close()
{
}
public string Name
{
get { return "TreePopulatorModule"; }
}
public Type ReplaceableInterface
{
get { return null; }
}
#endregion
//--------------------------------------------------------------
#region ICommandableModule Members
private void HandleTreeActive(Object[] args)
{
if ((Boolean)args[0] && !m_active_trees)
{
m_log.InfoFormat("[TREES]: Activating Trees");
m_active_trees = true;
activeizeTreeze(m_active_trees);
}
else if (!(Boolean)args[0] && m_active_trees)
{
m_log.InfoFormat("[TREES]: Trees module is no longer active");
m_active_trees = false;
activeizeTreeze(m_active_trees);
}
else
{
m_log.InfoFormat("[TREES]: Trees module is already in the required state");
}
}
private void HandleTreeFreeze(Object[] args)
{
string copsename = ((string)args[0]).Trim();
Boolean freezeState = (Boolean) args[1];
foreach (Copse cp in m_copse)
{
if (cp.m_name == copsename && (!cp.m_frozen && freezeState || cp.m_frozen && !freezeState))
{
cp.m_frozen = freezeState;
foreach (UUID tree in cp.m_trees)
{
SceneObjectPart sop = ((SceneObjectGroup)m_scene.Entities[tree]).RootPart;
sop.Name = (freezeState ? sop.Name.Replace("ATPM", "FTPM") : sop.Name.Replace("FTPM", "ATPM"));
sop.ParentGroup.HasGroupChanged = true;
}
m_log.InfoFormat("[TREES]: Activity for copse {0} is frozen {1}", copsename, freezeState);
return;
}
else if (cp.m_name == copsename && (cp.m_frozen && freezeState || !cp.m_frozen && !freezeState))
{
m_log.InfoFormat("[TREES]: Copse {0} is already in the requested freeze state", copsename);
return;
}
}
m_log.InfoFormat("[TREES]: Copse {0} was not found - command failed", copsename);
}
private void HandleTreeLoad(Object[] args)
{
Copse copse;
m_log.InfoFormat("[TREES]: Loading copse definition....");
copse = new Copse(((string)args[0]), false);
foreach (Copse cp in m_copse)
{
if (cp.m_name == copse.m_name)
{
m_log.InfoFormat("[TREES]: Copse: {0} is already defined - command failed", copse.m_name);
return;
}
}
m_copse.Add(copse);
m_log.InfoFormat("[TREES]: Loaded copse: {0}", copse.ToString());
}
private void HandleTreePlant(Object[] args)
{
string copsename = ((string)args[0]).Trim();
m_log.InfoFormat("[TREES]: New tree planting for copse {0}", copsename);
UUID uuid = m_scene.RegionInfo.EstateSettings.EstateOwner;
foreach (Copse copse in m_copse)
{
if (copse.m_name == copsename)
{
if (!copse.m_planted)
{
// The first tree for a copse is created here
CreateTree(uuid, copse, copse.m_seed_point);
copse.m_planted = true;
return;
}
else
{
m_log.InfoFormat("[TREES]: Copse {0} has already been planted", copsename);
}
}
}
m_log.InfoFormat("[TREES]: Copse {0} not found for planting", copsename);
}
private void HandleTreeRate(Object[] args)
{
m_update_ms = (double)args[0];
if (m_update_ms >= 1000.0)
{
if (m_active_trees)
{
activeizeTreeze(false);
activeizeTreeze(true);
}
m_log.InfoFormat("[TREES]: Update rate set to {0} mSec", m_update_ms);
}
else
{
m_log.InfoFormat("[TREES]: minimum rate is 1000.0 mSec - command failed");
}
}
private void HandleTreeReload(Object[] args)
{
if (m_active_trees)
{
CalculateTrees.Stop();
}
ReloadCopse();
if (m_active_trees)
{
CalculateTrees.Start();
}
}
private void HandleTreeRemove(Object[] args)
{
string copsename = ((string)args[0]).Trim();
Copse copseIdentity = null;
foreach (Copse cp in m_copse)
{
if (cp.m_name == copsename)
{
copseIdentity = cp;
}
}
if (copseIdentity != null)
{
foreach (UUID tree in copseIdentity.m_trees)
{
if (m_scene.Entities.ContainsKey(tree))
{
SceneObjectPart selectedTree = ((SceneObjectGroup)m_scene.Entities[tree]).RootPart;
// Delete tree and alert clients (not silent)
m_scene.DeleteSceneObject(selectedTree.ParentGroup, false);
}
else
{
m_log.DebugFormat("[TREES]: Tree not in scene {0}", tree);
}
}
copseIdentity.m_trees = new List<UUID>();
m_copse.Remove(copseIdentity);
m_log.InfoFormat("[TREES]: Copse {0} has been removed", copsename);
}
else
{
m_log.InfoFormat("[TREES]: Copse {0} was not found - command failed", copsename);
}
}
private void HandleTreeStatistics(Object[] args)
{
m_log.InfoFormat("[TREES]: Activity State: {0}; Update Rate: {1}", m_active_trees, m_update_ms);
foreach (Copse cp in m_copse)
{
m_log.InfoFormat("[TREES]: Copse {0}; {1} trees; frozen {2}", cp.m_name, cp.m_trees.Count, cp.m_frozen);
}
}
private void InstallCommands()
{
Command treeActiveCommand =
new Command("active", CommandIntentions.COMMAND_HAZARDOUS, HandleTreeActive, "Change activity state for the trees module");
treeActiveCommand.AddArgument("activeTF", "The required activity state", "Boolean");
Command treeFreezeCommand =
new Command("freeze", CommandIntentions.COMMAND_HAZARDOUS, HandleTreeFreeze, "Freeze/Unfreeze activity for a defined copse");
treeFreezeCommand.AddArgument("copse", "The required copse", "String");
treeFreezeCommand.AddArgument("freezeTF", "The required freeze state", "Boolean");
Command treeLoadCommand =
new Command("load", CommandIntentions.COMMAND_HAZARDOUS, HandleTreeLoad, "Load a copse definition from an xml file");
treeLoadCommand.AddArgument("filename", "The (xml) file you wish to load", "String");
Command treePlantCommand =
new Command("plant", CommandIntentions.COMMAND_HAZARDOUS, HandleTreePlant, "Start the planting on a copse");
treePlantCommand.AddArgument("copse", "The required copse", "String");
Command treeRateCommand =
new Command("rate", CommandIntentions.COMMAND_HAZARDOUS, HandleTreeRate, "Reset the tree update rate (mSec)");
treeRateCommand.AddArgument("updateRate", "The required update rate (minimum 1000.0)", "Double");
Command treeReloadCommand =
new Command("reload", CommandIntentions.COMMAND_HAZARDOUS, HandleTreeReload, "Reload copse definitions from the in-scene trees");
Command treeRemoveCommand =
new Command("remove", CommandIntentions.COMMAND_HAZARDOUS, HandleTreeRemove, "Remove a copse definition and all its in-scene trees");
treeRemoveCommand.AddArgument("copse", "The required copse", "String");
Command treeStatisticsCommand =
new Command("statistics", CommandIntentions.COMMAND_STATISTICAL, HandleTreeStatistics, "Log statistics about the trees");
m_commander.RegisterCommand("active", treeActiveCommand);
m_commander.RegisterCommand("freeze", treeFreezeCommand);
m_commander.RegisterCommand("load", treeLoadCommand);
m_commander.RegisterCommand("plant", treePlantCommand);
m_commander.RegisterCommand("rate", treeRateCommand);
m_commander.RegisterCommand("reload", treeReloadCommand);
m_commander.RegisterCommand("remove", treeRemoveCommand);
m_commander.RegisterCommand("statistics", treeStatisticsCommand);
}
/// <summary>
/// Processes commandline input. Do not call directly.
/// </summary>
/// <param name="args">Commandline arguments</param>
private void EventManager_OnPluginConsole(string[] args)
{
if (args[0] == "tree")
{
if (args.Length == 1)
{
m_commander.ProcessConsoleCommand("help", new string[0]);
return;
}
string[] tmpArgs = new string[args.Length - 2];
int i;
for (i = 2; i < args.Length; i++)
{
tmpArgs[i - 2] = args[i];
}
m_commander.ProcessConsoleCommand(args[1], tmpArgs);
}
}
#endregion
#region IVegetationModule Members
public SceneObjectGroup AddTree(
UUID uuid, UUID groupID, Vector3 scale, Quaternion rotation, Vector3 position, Tree treeType, bool newTree)
{
PrimitiveBaseShape treeShape = new PrimitiveBaseShape();
treeShape.PathCurve = 16;
treeShape.PathEnd = 49900;
treeShape.PCode = newTree ? (byte)PCode.NewTree : (byte)PCode.Tree;
treeShape.Scale = scale;
treeShape.State = (byte)treeType;
return m_scene.AddNewPrim(uuid, groupID, position, rotation, treeShape);
}
#endregion
#region IEntityCreator Members
protected static readonly PCode[] creationCapabilities = new PCode[] { PCode.NewTree, PCode.Tree };
public PCode[] CreationCapabilities { get { return creationCapabilities; } }
public SceneObjectGroup CreateEntity(
UUID ownerID, UUID groupID, Vector3 pos, Quaternion rot, PrimitiveBaseShape shape)
{
if (Array.IndexOf(creationCapabilities, (PCode)shape.PCode) < 0)
{
m_log.DebugFormat("[VEGETATION]: PCode {0} not handled by {1}", shape.PCode, Name);
return null;
}
SceneObjectGroup sceneObject = new SceneObjectGroup(ownerID, pos, rot, shape);
SceneObjectPart rootPart = sceneObject.GetPart(sceneObject.UUID);
rootPart.AddFlag(PrimFlags.Phantom);
m_scene.AddNewSceneObject(sceneObject, true);
sceneObject.SetGroup(groupID, null);
return sceneObject;
}
#endregion
//--------------------------------------------------------------
#region Tree Utilities
static public void SerializeObject(string fileName, Object obj)
{
try
{
XmlSerializer xs = new XmlSerializer(typeof(Copse));
using (XmlTextWriter writer = new XmlTextWriter(fileName, Util.UTF8))
{
writer.Formatting = Formatting.Indented;
xs.Serialize(writer, obj);
}
}
catch (SystemException ex)
{
throw new ApplicationException("Unexpected failure in Tree serialization", ex);
}
}
static public object DeserializeObject(string fileName)
{
try
{
XmlSerializer xs = new XmlSerializer(typeof(Copse));
using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read))
return xs.Deserialize(fs);
}
catch (SystemException ex)
{
throw new ApplicationException("Unexpected failure in Tree de-serialization", ex);
}
}
private void ReloadCopse()
{
m_copse = new List<Copse>();
EntityBase[] objs = m_scene.GetEntities();
foreach (EntityBase obj in objs)
{
if (obj is SceneObjectGroup)
{
SceneObjectGroup grp = (SceneObjectGroup)obj;
if (grp.Name.Length > 5 && (grp.Name.Substring(0, 5) == "ATPM:" || grp.Name.Substring(0, 5) == "FTPM:"))
{
// Create a new copse definition or add uuid to an existing definition
try
{
Boolean copsefound = false;
Copse copse = new Copse(grp.Name);
foreach (Copse cp in m_copse)
{
if (cp.m_name == copse.m_name)
{
copsefound = true;
cp.m_trees.Add(grp.UUID);
//m_log.DebugFormat("[TREES]: Found tree {0}", grp.UUID);
}
}
if (!copsefound)
{
m_log.InfoFormat("[TREES]: Found copse {0}", grp.Name);
m_copse.Add(copse);
copse.m_trees.Add(grp.UUID);
}
}
catch
{
m_log.InfoFormat("[TREES]: Ill formed copse definition {0} - ignoring", grp.Name);
}
}
}
}
}
#endregion
private void activeizeTreeze(bool activeYN)
{
if (activeYN)
{
CalculateTrees = new Timer(m_update_ms);
CalculateTrees.Elapsed += CalculateTrees_Elapsed;
CalculateTrees.Start();
}
else
{
CalculateTrees.Stop();
}
}
private void growTrees()
{
foreach (Copse copse in m_copse)
{
if (!copse.m_frozen)
{
foreach (UUID tree in copse.m_trees)
{
if (m_scene.Entities.ContainsKey(tree))
{
SceneObjectPart s_tree = ((SceneObjectGroup)m_scene.Entities[tree]).RootPart;
if (s_tree.Scale.X < copse.m_maximum_scale.X && s_tree.Scale.Y < copse.m_maximum_scale.Y && s_tree.Scale.Z < copse.m_maximum_scale.Z)
{
s_tree.Scale += copse.m_rate;
s_tree.ParentGroup.HasGroupChanged = true;
s_tree.ScheduleFullUpdate();
}
}
else
{
m_log.DebugFormat("[TREES]: Tree not in scene {0}", tree);
}
}
}
}
}
private void seedTrees()
{
foreach (Copse copse in m_copse)
{
if (!copse.m_frozen)
{
foreach (UUID tree in copse.m_trees)
{
if (m_scene.Entities.ContainsKey(tree))
{
SceneObjectPart s_tree = ((SceneObjectGroup)m_scene.Entities[tree]).RootPart;
if (copse.m_trees.Count < copse.m_tree_quantity)
{
// Tree has grown enough to seed if it has grown by at least 25% of seeded to full grown height
if (s_tree.Scale.Z > copse.m_initial_scale.Z + (copse.m_maximum_scale.Z - copse.m_initial_scale.Z) / 4.0)
{
if (Util.RandomClass.NextDouble() > 0.75)
{
SpawnChild(copse, s_tree);
}
}
}
}
else
{
m_log.DebugFormat("[TREES]: Tree not in scene {0}", tree);
}
}
}
}
}
private void killTrees()
{
foreach (Copse copse in m_copse)
{
if (!copse.m_frozen && copse.m_trees.Count >= copse.m_tree_quantity)
{
foreach (UUID tree in copse.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 copse.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 = Vector3.Distance(pickedTree.AbsolutePosition, selectedTree.AbsolutePosition);
killLikelyhood += (selectedTreeScale / (pickedTreeScale * pickedTreeDistance)) * 0.1;
}
}
if (Util.RandomClass.NextDouble() < killLikelyhood)
{
// Delete tree and alert clients (not silent)
m_scene.DeleteSceneObject(selectedTree.ParentGroup, false);
copse.m_trees.Remove(selectedTree.ParentGroup.UUID);
break;
}
}
else
{
m_log.DebugFormat("[TREES]: Tree not in scene {0}", tree);
}
}
}
}
}
private void SpawnChild(Copse copse, SceneObjectPart s_tree)
{
Vector3 position = new Vector3();
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 = s_tree.AbsolutePosition.X + (float)randX;
position.Y = s_tree.AbsolutePosition.Y + (float)randY;
if (position.X <= (m_scene.RegionInfo.RegionSizeX - 1) && position.X >= 0 &&
position.Y <= (m_scene.RegionInfo.RegionSizeY - 1) && position.Y >= 0 &&
Util.GetDistanceTo(position, copse.m_seed_point) <= copse.m_range)
{
UUID uuid = m_scene.RegionInfo.EstateSettings.EstateOwner;
CreateTree(uuid, copse, position);
}
}
private void CreateTree(UUID uuid, Copse copse, Vector3 position)
{
position.Z = (float)m_scene.Heightmap[(int)position.X, (int)position.Y];
if (position.Z >= copse.m_treeline_low && position.Z <= copse.m_treeline_high)
{
SceneObjectGroup tree = AddTree(uuid, UUID.Zero, copse.m_initial_scale, Quaternion.Identity, position, copse.m_tree_type, false);
tree.Name = copse.ToString();
copse.m_trees.Add(tree.UUID);
tree.SendGroupFullUpdate();
}
}
private void CalculateTrees_Elapsed(object sender, ElapsedEventArgs e)
{
growTrees();
seedTrees();
killTrees();
}
}
}