First basic test script now works in the jvm scripting engine.

For it to work you need to have a java sdk installed and the javac.exe somewhere in the environment Path variable.
Then To test, copy the text from bin/script1.text into a note card and then add that note to a prim.

OpenSim.Framework/IScriptAPI.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace OpenSim.Framework.Interfaces
+{
+    public interface IScriptAPI
+    {
+        OSVector3 GetEntityPosition(uint localID);
+        void SetEntityPosition(uint localID, float x, float y, float z);
+        uint GetRandomAvatarID();
+    }
+}

OpenSim.Framework/IScriptEngine.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace OpenSim.Framework.Interfaces
+{
+    public interface IScriptEngine
+    {
+        bool Init(IScriptAPI api);
+        string GetName();
+        void LoadScript(string script, string scriptName, uint entityID);
+        void OnFrame();
+    }
+}

OpenSim.Framework/OSVector3.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace OpenSim.Framework
+{
+    public class OSVector3
+    {
+        public float X;
+        public float Y;
+        public float Z;
+
+        public OSVector3()
+        {
+
+        }
+    }
+}

OpenSim.RegionServer/world/World.cs

@@ -87,22 +87,22 @@ namespace OpenSim.world
             //Console.WriteLine("searching for script to add: " + substring);
 
             ScriptFactory scriptFactory;
-            Console.WriteLine("script string is " + substring);
+            //Console.WriteLine("script string is " + substring);
             if(substring.StartsWith("<ScriptEngine:"))
             {
                 string substring1 = "";
                 string script = "";
-                Console.WriteLine("searching for script engine");
+               // 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);
+                //Console.WriteLine(" script info : " + sEngine + " , " + sName);
                 int startscript = substring.IndexOf('>');
                 script = substring.Remove(0, startscript + 1);
-                Console.WriteLine("script data is " + script);
+               // Console.WriteLine("script data is " + script);
                 if (this.scriptEngines.ContainsKey(sEngine))
                 {
                     this.scriptEngines[sEngine].LoadScript(script, sName, entity.localid);
@@ -172,7 +172,7 @@ namespace OpenSim.world
             }
             foreach (IScriptEngine scripteng in this.scriptEngines.Values)
             {
-                //scripteng.OnFrame();
+                scripteng.OnFrame();
             }
             //backup world data
             this.storageCount++;

OpenSim.RegionServer/world/WorldScripting.cs

@@ -0,0 +1,122 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.IO;
+using System.Reflection;
+using OpenSim.Framework;
+using OpenSim.Framework.Interfaces;
+using libsecondlife;
+
+namespace OpenSim.world
+{
+    public partial class World
+    {
+        private Dictionary<string, IScriptEngine> scriptEngines = new Dictionary<string, IScriptEngine>();
+
+        private void LoadScriptEngines()
+        {
+            this.LoadScriptPlugins();
+        }
+
+        public void LoadScriptPlugins()
+        {
+            string path = Path.Combine(System.AppDomain.CurrentDomain.BaseDirectory, "ScriptEngines");
+            string[] pluginFiles = Directory.GetFiles(path, "*.dll");
+
+
+            for (int i = 0; i < pluginFiles.Length; i++)
+            {
+                this.AddPlugin(pluginFiles[i]);
+            }
+        }
+
+        private void AddPlugin(string FileName)
+        {
+            Assembly pluginAssembly = Assembly.LoadFrom(FileName);
+
+            foreach (Type pluginType in pluginAssembly.GetTypes())
+            {
+                if (pluginType.IsPublic)
+                {
+                    if (!pluginType.IsAbstract)
+                    {
+                        Type typeInterface = pluginType.GetInterface("IScriptEngine", true);
+
+                        if (typeInterface != null)
+                        {
+                            IScriptEngine plug = (IScriptEngine)Activator.CreateInstance(pluginAssembly.GetType(pluginType.ToString()));
+                            plug.Init(this);
+                            this.scriptEngines.Add(plug.GetName(), plug);
+
+                        }
+
+                        typeInterface = null;
+                    }
+                }
+            }
+
+            pluginAssembly = null;
+        }
+
+        public void LoadScript(string scriptType, string scriptName, string script, Entity ent)
+        {
+            if(this.scriptEngines.ContainsKey(scriptType))
+            {
+                this.scriptEngines[scriptType].LoadScript(script, scriptName, ent.localid);
+            }
+        }
+
+        #region IScriptAPI Methods
+
+        public OSVector3 GetEntityPosition(uint localID)
+        {
+            OSVector3 res = new OSVector3();
+           // Console.WriteLine("script-  getting entity " + localID + " position");
+            foreach (Entity entity in this.Entities.Values)
+            {
+                if (entity.localid == localID)
+                {
+                    res.X = entity.Pos.X;
+                    res.Y = entity.Pos.Y;
+                    res.Z = entity.Pos.Z;
+                }
+            }
+            return res;
+        }
+
+        public void SetEntityPosition(uint localID, float x , float y, float z)
+        {
+            foreach (Entity entity in this.Entities.Values)
+            {
+                if (entity.localid == localID && entity is Primitive)
+                {
+                    LLVector3 pos = entity.Pos;
+                    pos.X = x;
+                   Primitive prim = entity as Primitive;
+                    // Of course, we really should have asked the physEngine if this is possible, and if not, returned false.
+                   prim.UpdatePosition(pos);
+                   // Console.WriteLine("script- setting entity " + localID + " positon");
+                }
+            }
+           
+        }
+
+        public uint GetRandomAvatarID()
+        {
+            //Console.WriteLine("script- getting random avatar id");
+            uint res = 0;
+            foreach (Entity entity in this.Entities.Values)
+            {
+                if (entity is Avatar)
+                {
+                    res = entity.localid;
+                }
+            }
+            return res;
+        }
+
+        #endregion
+
+
+    }
+}

OpenSim.Scripting.EmbeddedJVM/Interpreter.cs

@@ -49,6 +49,7 @@ namespace OpenSim.Scripting.EmbeddedJVM
                         else
                         {
                           //  Console.WriteLine("No parent function so ending program");
+                            this._mThread.stack.StackFrames.Pop();
                             run = false;
                         }
                         handled = true;
@@ -71,6 +72,7 @@ namespace OpenSim.Scripting.EmbeddedJVM
                         else
                         {
                            // Console.WriteLine("No parent function so ending program");
+                            this._mThread.stack.StackFrames.Pop();
                             run = false;
                         }
                         handled = true;
@@ -88,6 +90,7 @@ namespace OpenSim.Scripting.EmbeddedJVM
                         else
                         {
                            // Console.WriteLine("No parent function so ending program");
+                            this._mThread.stack.StackFrames.Pop();
                             run = false;
                         }
                         handled = true;

OpenSim.Scripting.EmbeddedJVM/InterpreterLogic.cs

@@ -274,11 +274,11 @@ namespace OpenSim.Scripting.EmbeddedJVM
                         if (flcom1 is Float && flcom2 is Float)
                         {
                             Int compres = new Int();
-                            if (((Float)flcom1).mValue > ((Float)flcom2).mValue)
+                            if (((Float)flcom1).mValue < ((Float)flcom2).mValue)
                             {
                                 compres.mValue = -1;
                             }
-                            else if (((Float)flcom1).mValue < ((Float)flcom2).mValue)
+                            else if (((Float)flcom1).mValue > ((Float)flcom2).mValue)
                             {
                                 compres.mValue = 1;
                             }

OpenSim.Scripting.EmbeddedJVM/InterpreterMethods.cs

@@ -71,11 +71,12 @@ namespace OpenSim.Scripting.EmbeddedJVM
                                             BaseType bs1 = this._mThread.currentFrame.OpStack.Pop();
                                             if (bs1 is Int)
                                             {
-                                                Console.WriteLine("get entity pos for " + ((Int)bs1).mValue);
+                                                //Console.WriteLine("get entity pos for " + ((Int)bs1).mValue);
                                                 //should get the position of the entity from the IScriptAPI
                                                 OSVector3 vec3 = Thread.OpenSimScriptAPI.GetEntityPosition((uint)((Int)bs1).mValue);
                                                 Float pos = new Float();
                                                 pos.mValue = vec3.X;
+                                               // Console.WriteLine("returned x value " + vec3.X.ToString());
                                                 this._mThread.currentFrame.OpStack.Push(pos);
                                             }
                                             this._mThread.PC += 2;

OpenSim.Scripting.EmbeddedJVM/OpenSimJVM.cs

@@ -66,10 +66,11 @@ namespace OpenSim.Scripting.EmbeddedJVM
                     tw.Close();
 
                     //now compile
-                    System.Diagnostics.ProcessStartInfo psi = new System.Diagnostics.ProcessStartInfo(@"C:\Program Files\Java\jdk1.6.0_01\bin\javac.exe", "*.java");
+                    System.Diagnostics.ProcessStartInfo psi = new System.Diagnostics.ProcessStartInfo("javac.exe", "*.java");
-                    psi.RedirectStandardOutput = true;
+                   // psi.RedirectStandardOutput = true;
                     psi.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
                     psi.UseShellExecute = false;
+
                     System.Diagnostics.Process javacomp;
                     javacomp = System.Diagnostics.Process.Start(psi);
                     javacomp.WaitForExit();
@@ -91,7 +92,7 @@ namespace OpenSim.Scripting.EmbeddedJVM
                     //now delete the created files
                     System.IO.File.Delete(scriptName + ".java");
                     System.IO.File.Delete(scriptName + ".class");
-                    this.OnFrame();
+                    //this.OnFrame();
                 }
                 catch (Exception e)
                 {

OpenSim.sln

@@ -1,21 +1,5 @@
 Microsoft Visual Studio Solution File, Format Version 9.00
 # Visual C# Express 2005
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OpenSim.Terrain.BasicTerrain", "OpenSim.Terrain.BasicTerrain\OpenSim.Terrain.BasicTerrain.csproj", "{2270B8FE-0000-0000-0000-000000000000}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OpenSim.RegionServer", "OpenSim.RegionServer\OpenSim.RegionServer.csproj", "{632E1BFD-0000-0000-0000-000000000000}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OpenSim.Physics.OdePlugin", "OpenSim.Physics\OdePlugin\OpenSim.Physics.OdePlugin.csproj", "{63A05FE9-0000-0000-0000-000000000000}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OpenSim.Framework.Console", "OpenSim.Framework.Console\OpenSim.Framework.Console.csproj", "{A7CD0630-0000-0000-0000-000000000000}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OpenSim.Storage.LocalStorageBerkeleyDB", "OpenSim.Storage.LocalStorageBerkeleyDB\OpenSim.Storage.LocalStorageBerkeleyDB.csproj", "{EE9E5D96-0000-0000-0000-000000000000}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OpenSim", "OpenSim\OpenSim.csproj", "{438A9556-0000-0000-0000-000000000000}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OpenSim.GenericConfig.Xml", "OpenSim.GenericConfig\Xml\OpenSim.GenericConfig.Xml.csproj", "{E88EF749-0000-0000-0000-000000000000}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OpenSim.Physics.Manager", "OpenSim.Physics\Manager\OpenSim.Physics.Manager.csproj", "{8BE16150-0000-0000-0000-000000000000}"
-EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OpenSim.Scripting.EmbeddedJVM", "OpenSim.Scripting.EmbeddedJVM\OpenSim.Scripting.EmbeddedJVM.csproj", "{97A82740-0000-0000-0000-000000000000}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OpenGridServices.UserServer", "OpenGridServices.UserServer\OpenGridServices.UserServer.csproj", "{66591469-0000-0000-0000-000000000000}"
@@ -48,38 +32,6 @@ Global
 		Release|Any CPU = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{2270B8FE-0000-0000-0000-000000000000}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{2270B8FE-0000-0000-0000-000000000000}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{2270B8FE-0000-0000-0000-000000000000}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{2270B8FE-0000-0000-0000-000000000000}.Release|Any CPU.Build.0 = Release|Any CPU
-		{632E1BFD-0000-0000-0000-000000000000}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{632E1BFD-0000-0000-0000-000000000000}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{632E1BFD-0000-0000-0000-000000000000}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{632E1BFD-0000-0000-0000-000000000000}.Release|Any CPU.Build.0 = Release|Any CPU
-		{63A05FE9-0000-0000-0000-000000000000}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{63A05FE9-0000-0000-0000-000000000000}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{63A05FE9-0000-0000-0000-000000000000}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{63A05FE9-0000-0000-0000-000000000000}.Release|Any CPU.Build.0 = Release|Any CPU
-		{A7CD0630-0000-0000-0000-000000000000}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{A7CD0630-0000-0000-0000-000000000000}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{A7CD0630-0000-0000-0000-000000000000}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{A7CD0630-0000-0000-0000-000000000000}.Release|Any CPU.Build.0 = Release|Any CPU
-		{EE9E5D96-0000-0000-0000-000000000000}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{EE9E5D96-0000-0000-0000-000000000000}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{EE9E5D96-0000-0000-0000-000000000000}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{EE9E5D96-0000-0000-0000-000000000000}.Release|Any CPU.Build.0 = Release|Any CPU
-		{438A9556-0000-0000-0000-000000000000}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{438A9556-0000-0000-0000-000000000000}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{438A9556-0000-0000-0000-000000000000}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{438A9556-0000-0000-0000-000000000000}.Release|Any CPU.Build.0 = Release|Any CPU
-		{E88EF749-0000-0000-0000-000000000000}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{E88EF749-0000-0000-0000-000000000000}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{E88EF749-0000-0000-0000-000000000000}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{E88EF749-0000-0000-0000-000000000000}.Release|Any CPU.Build.0 = Release|Any CPU
-		{8BE16150-0000-0000-0000-000000000000}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{8BE16150-0000-0000-0000-000000000000}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{8BE16150-0000-0000-0000-000000000000}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{8BE16150-0000-0000-0000-000000000000}.Release|Any CPU.Build.0 = Release|Any CPU
 		{97A82740-0000-0000-0000-000000000000}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{97A82740-0000-0000-0000-000000000000}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{97A82740-0000-0000-0000-000000000000}.Release|Any CPU.ActiveCfg = Release|Any CPU

bin/OpenSimAPI.java

@@ -0,0 +1,36 @@
+
+
+public class OpenSimAPI {
+
+ 	public static int GetEntityID()
+    {
+    	return 0;
+    }
+    
+    public static int GetRandomAvatarID()
+    {
+    	return 0;
+    }
+    
+	public static float GetEntityPositionX(int id)
+	{
+		return 0.0f;
+	}
+	
+	public static float GetEntityPositionY(int id)
+	{
+		return 0.0f;
+	}
+
+	public static float GetEntityPositionZ(int id)
+	{
+		return 0.0f;
+	}
+	
+	public static void SetEntityPosition(int id, float x, float y, float z)
+    {
+
+    }
+
+
+}