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using System;
using libsecondlife;
using libsecondlife.Packets;
using System.Collections.Generic;
using System.Text;
using System.Reflection;
using System.IO;
using PhysicsSystem;
using GridInterfaces;
namespace OpenSim.world
{
public class World : ILocalStorageReceiver
{
public Dictionary<libsecondlife.LLUUID, Entity> Entities;
public float[] LandMap;
public ScriptEngine Scripts;
public uint _localNumber=0;
private PhysicsScene phyScene;
private float timeStep= 0.1f;
private libsecondlife.TerrainManager TerrainManager;
public ILocalStorage localStorage;
private Random Rand = new Random();
private uint _primCount = 702000;
private int storageCount;
public World()
{
ServerConsole.MainConsole.Instance.WriteLine("World.cs - creating new entitities instance");
Entities = new Dictionary<libsecondlife.LLUUID, Entity>();
ServerConsole.MainConsole.Instance.WriteLine("World.cs - creating LandMap");
TerrainManager = new TerrainManager(new SecondLife());
Avatar.SetupTemplate("avatar-template.dat");
// ServerConsole.MainConsole.Instance.WriteLine("World.cs - Creating script engine instance");
// Initialise this only after the world has loaded
// Scripts = new ScriptEngine(this);
}
public PhysicsScene PhysScene
{
set
{
this.phyScene = value;
}
get
{
return(this.phyScene);
}
}
public void Update()
{
if(this.phyScene.IsThreaded)
{
this.phyScene.GetResults();
}
foreach (libsecondlife.LLUUID UUID in Entities.Keys)
{
Entities[UUID].addForces();
}
this.phyScene.Simulate(timeStep);
foreach (libsecondlife.LLUUID UUID in Entities.Keys)
{
Entities[UUID].update();
}
//backup world data
this.storageCount++;
if(storageCount> 1200) //set to how often you want to backup (currently set for about every 2 minutes)
{
this.Backup();
storageCount =0;
}
}
public bool LoadStorageDLL(string dllName)
{
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);
}
public void LoadPrimsFromStorage()
{
ServerConsole.MainConsole.Instance.WriteLine("World.cs: LoadPrimsFromStorage() - Loading primitives");
this.localStorage.LoadPrimitives(this);
}
public void PrimFromStorage(PrimStorage prim)
{
if(prim.LocalID >= this._primCount)
{
_primCount = prim.LocalID + 1;
}
ServerConsole.MainConsole.Instance.WriteLine("World.cs: PrimFromStorage() - Reloading prim (localId "+ prim.LocalID+ " ) from storage");
Primitive nPrim = new Primitive();
nPrim.CreateFromStorage(prim);
this.Entities.Add(nPrim.uuid, nPrim);
}
public void Close()
{
this.localStorage.ShutDown();
}
public void SendLayerData(OpenSimClient RemoteClient) {
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(LandMap, patches);
RemoteClient.OutPacket(layerpack);
}
}
}
public void GetInitialPrims(OpenSimClient RemoteClient)
{
foreach (libsecondlife.LLUUID UUID in Entities.Keys)
{
if(Entities[UUID].ToString()== "OpenSim.world.Primitive")
{
((OpenSim.world.Primitive)Entities[UUID]).UpdateClient(RemoteClient);
}
}
}
public void AddViewerAgent(OpenSimClient AgentClient) {
ServerConsole.MainConsole.Instance.WriteLine("World.cs:AddViewerAgent() - Creating new avatar for remote viewer agent");
Avatar NewAvatar = new Avatar(AgentClient);
ServerConsole.MainConsole.Instance.WriteLine("World.cs:AddViewerAgent() - Adding new avatar to world");
ServerConsole.MainConsole.Instance.WriteLine("World.cs:AddViewerAgent() - Starting RegionHandshake ");
NewAvatar.SendRegionHandshake(this);
NewAvatar.PhysActor = this.phyScene.AddAvatar(new PhysicsVector(NewAvatar.position.X, NewAvatar.position.Y, NewAvatar.position.Z));
//this.Update(); // will work for now, but needs to be optimised so we don't update everything in the sim for each new user
this.Entities.Add(AgentClient.AgentID, NewAvatar);
}
public void AddNewPrim(ObjectAddPacket addPacket, OpenSimClient AgentClient)
{
ServerConsole.MainConsole.Instance.WriteLine("World.cs: AddNewPrim() - Creating new prim");
Primitive prim = new Primitive();
prim.CreateFromPacket(addPacket, AgentClient.AgentID, this._primCount);
this.Entities.Add(prim.uuid, prim);
this._primCount++;
}
public bool Backup() {
/* TODO: Save the current world entities state. */
ServerConsole.MainConsole.Instance.WriteLine("World.cs: Backup() - Backing up Primitives");
foreach (libsecondlife.LLUUID UUID in Entities.Keys)
{
Entities[UUID].BackUp();
}
return true;
}
}
}
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