137 lines
5.3 KiB
C#
137 lines
5.3 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSim Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.Reflection;
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using OpenSim.Region.ScriptEngine.XEngine.Script;
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namespace OpenSim.Region.ScriptEngine.XEngine
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{
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public class Executor : ExecutorBase
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{
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// Cache functions by keeping a reference to them in a dictionary
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private Dictionary<string, MethodInfo> Events = new Dictionary<string, MethodInfo>();
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private Dictionary<string, scriptEvents> m_stateEvents = new Dictionary<string, scriptEvents>();
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public Executor(IScript script) : base(script)
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{
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initEventFlags();
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}
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protected override scriptEvents DoGetStateEventFlags()
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{
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//Console.WriteLine("Get event flags for " + m_Script.State);
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// Check to see if we've already computed the flags for this state
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scriptEvents eventFlags = scriptEvents.None;
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if (m_stateEvents.ContainsKey(m_Script.State))
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{
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m_stateEvents.TryGetValue(m_Script.State, out eventFlags);
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return eventFlags;
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}
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Type type=m_Script.GetType();
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// Fill in the events for this state, cache the results in the map
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foreach (KeyValuePair<string, scriptEvents> kvp in m_eventFlagsMap)
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{
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string evname = m_Script.State + "_event_" + kvp.Key;
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//Console.WriteLine("Trying event "+evname);
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try
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{
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MethodInfo mi = type.GetMethod(evname);
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if (mi != null)
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{
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//Console.WriteLine("Found handler for " + kvp.Key);
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eventFlags |= kvp.Value;
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}
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}
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catch(Exception e)
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{
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//Console.WriteLine("Exeption in GetMethod:\n"+e.ToString());
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}
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}
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// Save the flags we just computed and return the result
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if(eventFlags != 0)
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m_stateEvents.Add(m_Script.State, eventFlags);
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//Console.WriteLine("Returning {0:x}", eventFlags);
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return (eventFlags);
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}
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protected override void DoExecuteEvent(string FunctionName, object[] args)
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{
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// IMPORTANT: Types and MemberInfo-derived objects require a LOT of memory.
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// Instead use RuntimeTypeHandle, RuntimeFieldHandle and RunTimeHandle (IntPtr) instead!
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string EventName = m_Script.State + "_event_" + FunctionName;
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//#if DEBUG
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// Console.WriteLine("ScriptEngine: Script event function name: " + EventName);
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//#endif
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if (Events.ContainsKey(EventName) == false)
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{
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// Not found, create
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Type type = m_Script.GetType();
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try
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{
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MethodInfo mi = type.GetMethod(EventName);
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Events.Add(EventName, mi);
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}
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catch
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{
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Console.WriteLine("Event {0}not found", EventName);
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// Event name not found, cache it as not found
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Events.Add(EventName, null);
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}
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}
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// Get event
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MethodInfo ev = null;
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Events.TryGetValue(EventName, out ev);
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if (ev == null) // No event by that name!
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{
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//Console.WriteLine("ScriptEngine Can not find any event named: \String.Empty + EventName + "\String.Empty);
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return;
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}
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//cfk 2-7-08 dont need this right now and the default Linux build has DEBUG defined
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#if DEBUG
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//Console.WriteLine("ScriptEngine: Executing function name: " + EventName);
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#endif
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// Found
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ev.Invoke(m_Script, args);
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}
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}
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}
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