using System; using libsecondlife; using libsecondlife.Packets; using System.Collections.Generic; using System.Text; using System.Reflection; using System.IO; using System.Threading; using OpenSim.Physics.Manager; using OpenSim.Framework.Interfaces; using OpenSim.Framework.Assets; using OpenSim.Framework.Terrain; using OpenSim.Framework.Inventory; using OpenSim.Assets; using OpenSim.world.scripting; using OpenSim.RegionServer.world.scripting; using OpenSim.RegionServer.world.scripting.Scripts; using OpenSim.Terrain; namespace OpenSim.world { public partial class World : ILocalStorageReceiver, IScriptAPI { public object LockPhysicsEngine = new object(); public Dictionary Entities; public Dictionary Avatars; public Dictionary 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 m_clientThreads; private Dictionary m_scriptHandlers; private Dictionary m_scripts; private ulong m_regionHandle; private string m_regionName; private InventoryCache _inventoryCache; private AssetCache _assetCache; private Mutex updateLock; /// /// Creates a new World class, and a region to go with it. /// /// Dictionary to contain client threads /// Region Handle for this region /// Region Name for this region public World(Dictionary clientThreads, ulong regionHandle, string regionName) { try { updateLock = new Mutex(false); m_clientThreads = clientThreads; m_regionHandle = regionHandle; m_regionName = regionName; m_scriptHandlers = new Dictionary(); m_scripts = new Dictionary(); OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs - creating new entitities instance"); Entities = new Dictionary(); Avatars = new Dictionary(); Prims = new Dictionary(); 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()); } } /// /// Loads a new script into the specified entity /// /// Entity to be scripted /// The script to load 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()); } } /// /// Loads a new script into the specified entity, using a script loaded from a string. /// /// The entity to be scripted /// The string containing the script public void AddScript(Entity entity, string scriptData) { try { int scriptstart = 0; int scriptend = 0; string substring; scriptstart = scriptData.LastIndexOf(""); 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("'); 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); } } /// /// Performs per-frame updates on the world, this should be the central world loop /// public void Update() { updateLock.WaitOne(); try { if (this.phyScene.IsThreaded) { this.phyScene.GetResults(); } foreach (libsecondlife.LLUUID UUID in Entities.Keys) { Entities[UUID].addForces(); } lock (this.LockPhysicsEngine) { this.phyScene.Simulate(timeStep); } foreach (libsecondlife.LLUUID UUID in Entities.Keys) { Entities[UUID].update(); } foreach (ScriptHandler scriptHandler in m_scriptHandlers.Values) { scriptHandler.OnFrame(); } foreach (IScriptEngine scripteng in this.scriptEngines.Values) { scripteng.OnFrame(); } //backup world data this.storageCount++; if (storageCount > 1200) //set to how often you want to backup { this.Backup(); storageCount = 0; } } catch (Exception e) { OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: Update() - Failed with exception " + e.ToString()); } updateLock.ReleaseMutex(); } /// /// Loads a new storage subsystem from a named library /// /// Storage Library /// Successful or not 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()); return false; } } #region Regenerate Terrain /// /// Rebuilds the terrain using a procedural algorithm /// 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()); } } /// /// Rebuilds the terrain using a 2D float array /// /// 256,256 float array containing heights 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()); } } /// /// Rebuilds the terrain assuming changes occured at a specified point[?] /// /// ??? /// ??? /// ??? 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 /// /// Loads the World heightmap /// 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()); } } /// /// Loads the World's objects /// 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()); } } /// /// Loads a specific object from storage /// /// The object to load 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()); } } /// /// Tidy before shutdown /// public void Close() { try { this.localStorage.ShutDown(); } catch (Exception e) { OpenSim.Framework.Console.MainConsole.Instance.WriteLine("World.cs: Close() - Failed with exception " + e.ToString()); } } /// /// Send the region heightmap to the client /// /// Client to send to 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()); } } /// /// Sends a specified patch to a client /// /// Patch coordinate (x) 0..16 /// Patch coordinate (y) 0..16 /// The client to send to 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()); } } /// /// Sends prims to a client /// /// Client to send to 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); 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()); } } 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; } } 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()); } } } }