OpenSimMirror/OpenSim.RegionServer/world/World.cs

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using System;
using libsecondlife;
using libsecondlife.Packets;
using System.Collections.Generic;
using System.Text;
using System.Reflection;
using System.IO;
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using System.Threading;
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using OpenSim.Physics.Manager;
using OpenSim.Framework.Interfaces;
using OpenSim.Framework.Types;
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using OpenSim.Framework.Terrain;
using OpenSim.Framework.Inventory;
using OpenSim.Assets;
//using OpenSim.world.scripting;
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using OpenSim.RegionServer.world.scripting;
using OpenSim.RegionServer.world.scripting.Scripts;
using OpenSim.Terrain;
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namespace OpenSim.world
{
public partial class World : ILocalStorageReceiver, IScriptAPI
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{
public object LockPhysicsEngine = new object();
public Dictionary<libsecondlife.LLUUID, Entity> Entities;
public Dictionary<libsecondlife.LLUUID, Avatar> Avatars;
public Dictionary<libsecondlife.LLUUID, Primitive> Prims;
//public ScriptEngine Scripts;
public TerrainEngine Terrain; //TODO: Replace TerrainManager with this.
public uint _localNumber = 0;
private PhysicsScene phyScene;
private float timeStep = 0.1f;
private libsecondlife.TerrainManager TerrainManager; // To be referenced via TerrainEngine
public ILocalStorage localStorage;
private Random Rand = new Random();
private uint _primCount = 702000;
private int storageCount;
private Dictionary<uint, SimClient> m_clientThreads;
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private Dictionary<LLUUID, ScriptHandler> m_scriptHandlers;
private Dictionary<string, ScriptFactory> m_scripts;
private ulong m_regionHandle;
private string m_regionName;
private InventoryCache _inventoryCache;
private AssetCache _assetCache;
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private Mutex updateLock;
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/// <summary>
/// Creates a new World class, and a region to go with it.
/// </summary>
/// <param name="clientThreads">Dictionary to contain client threads</param>
/// <param name="regionHandle">Region Handle for this region</param>
/// <param name="regionName">Region Name for this region</param>
public World(Dictionary<uint, SimClient> clientThreads, ulong regionHandle, string regionName)
{
try
{
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updateLock = new Mutex(false);
m_clientThreads = clientThreads;
m_regionHandle = regionHandle;
m_regionName = regionName;
m_scriptHandlers = new Dictionary<LLUUID, ScriptHandler>();
m_scripts = new Dictionary<string, ScriptFactory>();
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs - creating new entitities instance");
Entities = new Dictionary<libsecondlife.LLUUID, Entity>();
Avatars = new Dictionary<LLUUID, Avatar>();
Prims = new Dictionary<LLUUID, Primitive>();
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs - creating LandMap");
TerrainManager = new TerrainManager(new SecondLife());
Terrain = new TerrainEngine();
Avatar.SetupTemplate("avatar-template.dat");
// MainConsole.Instance.WriteLine("World.cs - Creating script engine instance");
// Initialise this only after the world has loaded
// Scripts = new ScriptEngine(this);
Avatar.LoadAnims();
this.SetDefaultScripts();
this.LoadScriptEngines();
}
catch (Exception e)
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: Constructor failed with exception " + e.ToString());
}
}
/// <summary>
/// Loads a new script into the specified entity
/// </summary>
/// <param name="entity">Entity to be scripted</param>
/// <param name="script">The script to load</param>
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public void AddScript(Entity entity, Script script)
{
try
{
ScriptHandler scriptHandler = new ScriptHandler(script, entity, this);
m_scriptHandlers.Add(scriptHandler.ScriptId, scriptHandler);
}
catch (Exception e)
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: AddScript() - Failed with exception " + e.ToString());
}
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}
/// <summary>
/// Loads a new script into the specified entity, using a script loaded from a string.
/// </summary>
/// <param name="entity">The entity to be scripted</param>
/// <param name="scriptData">The string containing the script</param>
public void AddScript(Entity entity, string scriptData)
{
try
{
int scriptstart = 0;
int scriptend = 0;
string substring;
scriptstart = scriptData.LastIndexOf("<Script>");
scriptend = scriptData.LastIndexOf("</Script>");
substring = scriptData.Substring(scriptstart + 8, scriptend - scriptstart - 8);
substring = substring.Trim();
//Console.WriteLine("searching for script to add: " + substring);
ScriptFactory scriptFactory;
//Console.WriteLine("script string is " + substring);
if (substring.StartsWith("<ScriptEngine:"))
{
string substring1 = "";
string script = "";
// Console.WriteLine("searching for script engine");
substring1 = substring.Remove(0, 14);
int dev = substring1.IndexOf(',');
string sEngine = substring1.Substring(0, dev);
substring1 = substring1.Remove(0, dev + 1);
int end = substring1.IndexOf('>');
string sName = substring1.Substring(0, end);
//Console.WriteLine(" script info : " + sEngine + " , " + sName);
int startscript = substring.IndexOf('>');
script = substring.Remove(0, startscript + 1);
// Console.WriteLine("script data is " + script);
if (this.scriptEngines.ContainsKey(sEngine))
{
this.scriptEngines[sEngine].LoadScript(script, sName, entity.localid);
}
}
else if (this.m_scripts.TryGetValue(substring, out scriptFactory))
{
//Console.WriteLine("added script");
this.AddScript(entity, scriptFactory());
}
}
catch (Exception e)
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: AddScript() - Failed with exception " + e.ToString());
}
}
public InventoryCache InventoryCache
{
set
{
this._inventoryCache = value;
}
}
public AssetCache AssetCache
{
set
{
this._assetCache = value;
}
}
public PhysicsScene PhysScene
{
set
{
this.phyScene = value;
}
get
{
return (this.phyScene);
}
}
/// <summary>
/// Performs per-frame updates on the world, this should be the central world loop
/// </summary>
public void Update()
{
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updateLock.WaitOne();
try
{
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if (this.phyScene.IsThreaded)
{
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this.phyScene.GetResults();
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}
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foreach (libsecondlife.LLUUID UUID in Entities.Keys)
{
Entities[UUID].addForces();
}
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lock (this.LockPhysicsEngine)
{
this.phyScene.Simulate(timeStep);
}
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foreach (libsecondlife.LLUUID UUID in Entities.Keys)
{
Entities[UUID].update();
}
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foreach (ScriptHandler scriptHandler in m_scriptHandlers.Values)
{
scriptHandler.OnFrame();
}
foreach (IScriptEngine scripteng in this.scriptEngines.Values)
{
scripteng.OnFrame();
}
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//backup world data
this.storageCount++;
if (storageCount > 1200) //set to how often you want to backup
{
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this.Backup();
storageCount = 0;
}
}
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catch (Exception e)
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: Update() - Failed with exception " + e.ToString());
}
updateLock.ReleaseMutex();
}
/// <summary>
/// Loads a new storage subsystem from a named library
/// </summary>
/// <param name="dllName">Storage Library</param>
/// <returns>Successful or not</returns>
public bool LoadStorageDLL(string dllName)
{
try
{
Assembly pluginAssembly = Assembly.LoadFrom(dllName);
ILocalStorage store = null;
foreach (Type pluginType in pluginAssembly.GetTypes())
{
if (pluginType.IsPublic)
{
if (!pluginType.IsAbstract)
{
Type typeInterface = pluginType.GetInterface("ILocalStorage", true);
if (typeInterface != null)
{
ILocalStorage plug = (ILocalStorage)Activator.CreateInstance(pluginAssembly.GetType(pluginType.ToString()));
store = plug;
break;
}
typeInterface = null;
}
}
}
pluginAssembly = null;
this.localStorage = store;
return (store == null);
}
catch (Exception e)
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: LoadStorageDLL() - Failed with exception " + e.ToString());
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return false;
}
}
#region Regenerate Terrain
/// <summary>
/// Rebuilds the terrain using a procedural algorithm
/// </summary>
public void RegenerateTerrain()
{
try
{
Terrain.hills();
lock (this.LockPhysicsEngine)
{
this.phyScene.SetTerrain(Terrain.getHeights1D());
}
this.localStorage.SaveMap(this.Terrain.getHeights1D());
foreach (SimClient client in m_clientThreads.Values)
{
this.SendLayerData(client);
}
foreach (libsecondlife.LLUUID UUID in Entities.Keys)
{
Entities[UUID].LandRenegerated();
}
}
catch (Exception e)
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: RegenerateTerrain() - Failed with exception " + e.ToString());
}
}
/// <summary>
/// Rebuilds the terrain using a 2D float array
/// </summary>
/// <param name="newMap">256,256 float array containing heights</param>
public void RegenerateTerrain(float[,] newMap)
{
try
{
this.Terrain.setHeights2D(newMap);
lock (this.LockPhysicsEngine)
{
this.phyScene.SetTerrain(this.Terrain.getHeights1D());
}
this.localStorage.SaveMap(this.Terrain.getHeights1D());
foreach (SimClient client in m_clientThreads.Values)
{
this.SendLayerData(client);
}
foreach (libsecondlife.LLUUID UUID in Entities.Keys)
{
Entities[UUID].LandRenegerated();
}
}
catch (Exception e)
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: RegenerateTerrain() - Failed with exception " + e.ToString());
}
}
/// <summary>
/// Rebuilds the terrain assuming changes occured at a specified point[?]
/// </summary>
/// <param name="changes">???</param>
/// <param name="pointx">???</param>
/// <param name="pointy">???</param>
public void RegenerateTerrain(bool changes, int pointx, int pointy)
{
try
{
if (changes)
{
lock (this.LockPhysicsEngine)
{
this.phyScene.SetTerrain(this.Terrain.getHeights1D());
}
this.localStorage.SaveMap(this.Terrain.getHeights1D());
foreach (SimClient client in m_clientThreads.Values)
{
this.SendLayerData(pointx, pointy, client);
}
}
}
catch (Exception e)
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: RegenerateTerrain() - Failed with exception " + e.ToString());
}
}
#endregion
/// <summary>
/// Loads the World heightmap
/// </summary>
public void LoadWorldMap()
{
try
{
float[] map = this.localStorage.LoadWorld();
if (map == null)
{
Console.WriteLine("creating new terrain");
this.Terrain.hills();
this.localStorage.SaveMap(this.Terrain.getHeights1D());
}
else
{
this.Terrain.setHeights1D(map);
}
}
catch (Exception e)
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: LoadWorldMap() - Failed with exception " + e.ToString());
}
}
/// <summary>
/// Loads the World's objects
/// </summary>
public void LoadPrimsFromStorage()
{
try
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: LoadPrimsFromStorage() - Loading primitives");
this.localStorage.LoadPrimitives(this);
}
catch (Exception e)
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: LoadPrimsFromStorage() - Failed with exception " + e.ToString());
}
}
/// <summary>
/// Loads a specific object from storage
/// </summary>
/// <param name="prim">The object to load</param>
public void PrimFromStorage(PrimData prim)
{
try
{
if (prim.LocalID >= this._primCount)
{
_primCount = prim.LocalID + 1;
}
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: PrimFromStorage() - Reloading prim (localId " + prim.LocalID + " ) from storage");
Primitive nPrim = new Primitive(m_clientThreads, m_regionHandle, this);
nPrim.CreateFromStorage(prim);
this.Entities.Add(nPrim.uuid, nPrim);
}
catch (Exception e)
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: PrimFromStorage() - Failed with exception " + e.ToString());
}
}
/// <summary>
/// Tidy before shutdown
/// </summary>
public void Close()
{
try
{
this.localStorage.ShutDown();
}
catch (Exception e)
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: Close() - Failed with exception " + e.ToString());
}
}
/// <summary>
/// Send the region heightmap to the client
/// </summary>
/// <param name="RemoteClient">Client to send to</param>
public void SendLayerData(SimClient RemoteClient)
{
try
{
int[] patches = new int[4];
for (int y = 0; y < 16; y++)
{
for (int x = 0; x < 16; x = x + 4)
{
patches[0] = x + 0 + y * 16;
patches[1] = x + 1 + y * 16;
patches[2] = x + 2 + y * 16;
patches[3] = x + 3 + y * 16;
Packet layerpack = TerrainManager.CreateLandPacket(Terrain.getHeights1D(), patches);
RemoteClient.OutPacket(layerpack);
}
}
}
catch (Exception e)
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: SendLayerData() - Failed with exception " + e.ToString());
}
}
/// <summary>
/// Sends a specified patch to a client
/// </summary>
/// <param name="px">Patch coordinate (x) 0..16</param>
/// <param name="py">Patch coordinate (y) 0..16</param>
/// <param name="RemoteClient">The client to send to</param>
public void SendLayerData(int px, int py, SimClient RemoteClient)
{
try
{
int[] patches = new int[1];
int patchx, patchy;
patchx = px / 16;
/* if (patchx > 12)
{
patchx = 12;
}*/
patchy = py / 16;
patches[0] = patchx + 0 + patchy * 16;
//patches[1] = patchx + 1 + patchy * 16;
//patches[2] = patchx + 2 + patchy * 16;
//patches[3] = patchx + 3 + patchy * 16;
Packet layerpack = TerrainManager.CreateLandPacket(Terrain.getHeights1D(), patches);
RemoteClient.OutPacket(layerpack);
}
catch (Exception e)
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: SendLayerData() - Failed with exception " + e.ToString());
}
}
/// <summary>
/// Sends prims to a client
/// </summary>
/// <param name="RemoteClient">Client to send to</param>
public void GetInitialPrims(SimClient RemoteClient)
{
try
{
foreach (libsecondlife.LLUUID UUID in Entities.Keys)
{
if (Entities[UUID] is Primitive)
{
Primitive primitive = Entities[UUID] as Primitive;
primitive.UpdateClient(RemoteClient);
}
}
}
catch (Exception e)
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: GetInitialPrims() - Failed with exception " + e.ToString());
}
}
public void AddViewerAgent(SimClient agentClient)
{
try
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs:AddViewerAgent() - Creating new avatar for remote viewer agent");
Avatar newAvatar = new Avatar(agentClient, this, m_regionName, m_clientThreads, m_regionHandle, true, 20);
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs:AddViewerAgent() - Adding new avatar to world");
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs:AddViewerAgent() - Starting RegionHandshake ");
newAvatar.SendRegionHandshake(this);
if (!agentClient.m_child)
{
PhysicsVector pVec = new PhysicsVector(newAvatar.Pos.X, newAvatar.Pos.Y, newAvatar.Pos.Z);
lock (this.LockPhysicsEngine)
{
newAvatar.PhysActor = this.phyScene.AddAvatar(pVec);
}
}
lock (Entities)
{
this.Entities.Add(agentClient.AgentID, newAvatar);
}
lock (Avatars)
{
this.Avatars.Add(agentClient.AgentID, newAvatar);
}
}
catch (Exception e)
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: AddViewerAgent() - Failed with exception " + e.ToString());
}
}
public void RemoveViewerAgent(SimClient agentClient)
{
try
{
lock (Entities)
{
Entities.Remove(agentClient.AgentID);
}
lock (Avatars)
{
Avatars.Remove(agentClient.AgentID);
}
}
catch (Exception e)
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: RemoveViewerAgent() - Failed with exception " + e.ToString());
}
}
public void AddNewPrim(ObjectAddPacket addPacket, SimClient AgentClient)
{
try
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: AddNewPrim() - Creating new prim");
Primitive prim = new Primitive(m_clientThreads, m_regionHandle, this);
prim.CreateFromPacket(addPacket, AgentClient.AgentID, this._primCount);
PhysicsVector pVec = new PhysicsVector(prim.Pos.X, prim.Pos.Y, prim.Pos.Z);
PhysicsVector pSize = new PhysicsVector(0.255f, 0.255f, 0.255f);
if (OpenSim.world.Avatar.PhysicsEngineFlying)
{
lock (this.LockPhysicsEngine)
{
prim.PhysActor = this.phyScene.AddPrim(pVec, pSize);
}
}
this.Entities.Add(prim.uuid, prim);
this._primCount++;
}
catch (Exception e)
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: AddNewPrim() - Failed with exception " + e.ToString());
}
}
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public bool Backup()
{
try
{
// Terrain backup routines
if (Terrain.tainted > 0)
{
Terrain.tainted = 0;
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: Backup() - Terrain tainted, saving.");
localStorage.SaveMap(Terrain.getHeights1D());
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: Backup() - Terrain saved, informing Physics.");
phyScene.SetTerrain(Terrain.getHeights1D());
}
// Primitive backup routines
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: Backup() - Backing up Primitives");
foreach (libsecondlife.LLUUID UUID in Entities.Keys)
{
Entities[UUID].BackUp();
}
// Backup successful
return true;
}
catch (Exception e)
{
// Backup failed
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: Backup() - Backup Failed with exception " + e.ToString());
return false;
}
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}
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public void SetDefaultScripts()
{
try
{
this.m_scripts.Add("FollowRandomAvatar", delegate()
{
return new FollowRandomAvatar();
});
}
catch (Exception e)
{
OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: SetDefaultScripts() - Failed with exception " + e.ToString());
}
}
}
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}