From 9511a8c76370f21e839114007dcd2b25c69b009a Mon Sep 17 00:00:00 2001
From: Tedd Hansen
Date: Sat, 8 Nov 2008 17:35:48 +0000
Subject: Work in progress on SECS stuff. Have been holding it off until after
 0.6 release. Still messy as hell and doesn't really work yet. Will undergo
 dramatic changes. AND MOST IMPORTANTLY: Will be conformed to work in coop
 with todays DNE and XEngine, hopefully one day providing a common interface
 for all components.

---
 OpenSim/ScriptEngine/Shared/ScriptStructure.cs | 109 +++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 OpenSim/ScriptEngine/Shared/ScriptStructure.cs

(limited to 'OpenSim/ScriptEngine/Shared/ScriptStructure.cs')

diff --git a/OpenSim/ScriptEngine/Shared/ScriptStructure.cs b/OpenSim/ScriptEngine/Shared/ScriptStructure.cs
new file mode 100644
index 0000000..cbf333b
--- /dev/null
+++ b/OpenSim/ScriptEngine/Shared/ScriptStructure.cs
@@ -0,0 +1,109 @@
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using System.Text;
+using OpenMetaverse;
+using OpenSim.Region.ScriptEngine.Interfaces;
+using OpenSim.Region.ScriptEngine.Shared.ScriptBase;
+using OpenSim.ScriptEngine.Shared;
+
+namespace OpenSim.ScriptEngine.Shared
+{
+    public struct ScriptStructure
+    {
+        public RegionInfoStructure RegionInfo;
+        public ScriptMetaData ScriptMetaData;
+
+        public ScriptAssemblies.IScript ScriptObject;
+        public string State;
+        public bool Running;
+        public bool Disabled;
+        public string Source;
+        public int StartParam;
+        public AppDomain AppDomain;
+        public Dictionary<string, IScriptApi> Apis;
+        public Dictionary<KeyValuePair<int, int>, KeyValuePair<int, int>> LineMap;
+        public uint LocalID;
+        public UUID ItemID;
+        public string AssemblyFileName;
+
+        public string ScriptID { get { return LocalID.ToString() + "." + ItemID.ToString(); } }
+        public string Name { get { return "Script:" + ScriptID; } }
+        private bool Initialized;
+        private Dictionary<string, Delegate> InternalFunctions;
+        public string AssemblyName;
+
+        public void ExecuteEvent(EventParams p)
+        {
+            ExecuteMethod(p, true);
+        }
+
+        public void ExecuteMethod(EventParams p)
+        {
+            ExecuteMethod(p, false);
+        }
+        private void ExecuteMethod(EventParams p, bool isEvent)
+        {
+            // First time initialization?
+            if (!Initialized)
+            {
+                Initialized = true;
+                CacheInternalFunctions();
+            }
+
+            lock (InternalFunctions)
+            {
+                // Make function name
+                string FunctionName;
+                if (isEvent)
+                    FunctionName = State + "_event_" + p.EventName;
+                else
+                    FunctionName = p.EventName;
+
+                // Check if this function exist
+                if (!InternalFunctions.ContainsKey(FunctionName))
+                {
+                    // TODO: Send message in-world
+                    //RegionInfo.Scene.
+                    RegionInfo.Logger.ErrorFormat("[{0}] Script function \"{1}\" was not found.", Name, FunctionName);
+                    return;
+                }
+
+                // Execute script function
+                try
+                {
+                    InternalFunctions[FunctionName].DynamicInvoke(p.Params);
+                }
+                catch (Exception e)
+                {
+                    RegionInfo.Logger.ErrorFormat("[{0}] Execute \"{1}\" failed: {2}", Name, FunctionName, e.ToString());
+                }
+            }
+        }
+
+        /// <summary>
+        /// Cache functions into a dictionary with delegates. Should be faster than reflection.
+        /// </summary>
+        private void CacheInternalFunctions()
+        {
+            Type scriptObjectType = ScriptObject.GetType();
+            InternalFunctions = new Dictionary<string, Delegate>();
+
+            MethodInfo[] methods = scriptObjectType.GetMethods();
+            lock (InternalFunctions)
+            {
+                // Read all methods into a dictionary
+                foreach (MethodInfo mi in methods)
+                {
+                    // TODO: We don't support overloading
+                    if (!InternalFunctions.ContainsKey(mi.Name))
+                        InternalFunctions.Add(mi.Name, Delegate.CreateDelegate(scriptObjectType, ScriptObject, mi));
+                    else
+                        RegionInfo.Logger.ErrorFormat("[{0}] Error: Script function \"{1}\" is already added. We do not support overloading.",
+                            Name, mi.Name);
+                }
+            }
+        }
+
+    }
+}
\ No newline at end of file
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