GesturesModule.cs

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 * See CONTRIBUTORS.TXT for a full list of copyright holders.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
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 *       notice, this list of conditions and the following disclaimer.
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 *       documentation and/or other materials provided with the distribution.
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 *       derived from this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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using System;
using System.Reflection;
using log4net;
using Nini.Config;
using OpenMetaverse;
using OpenSim.Framework;

using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using OpenSim.Services.Interfaces;

using Mono.Addins;

namespace OpenSim.Region.CoreModules.Avatar.Gestures
{
    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "GesturesModule")]
    public class GesturesModule : INonSharedRegionModule
    { 
        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
        
        protected Scene m_scene;
        
        public void Initialise(IConfigSource source)
        {
        }

        public void AddRegion(Scene scene)
        {
            m_scene = scene;

            m_scene.EventManager.OnNewClient += OnNewClient;
        }

        public void RegionLoaded(Scene scene)
        {
        }

        public void RemoveRegion(Scene scene)
        {
            m_scene.EventManager.OnNewClient -= OnNewClient;
            m_scene = null;
        }
        
        public void Close() {}
        public string Name { get { return "Gestures Module"; } }

        public Type ReplaceableInterface
        {
            get { return null; }
        }

        private void OnNewClient(IClientAPI client)
        {
            client.OnActivateGesture += ActivateGesture;
            client.OnDeactivateGesture += DeactivateGesture;
        }
        
        public virtual void ActivateGesture(IClientAPI client, UUID assetId, UUID gestureId)
        {
            IInventoryService invService = m_scene.InventoryService;

            InventoryItemBase item = new InventoryItemBase(gestureId, client.AgentId);
            item = invService.GetItem(item);
            if (item != null)
            {
                item.Flags |= 1;
                invService.UpdateItem(item);
            }
            else 
                m_log.WarnFormat(
                    "[GESTURES]: Unable to find gesture {0} to activate for {1}", gestureId, client.Name);
        }

        public virtual void DeactivateGesture(IClientAPI client, UUID gestureId)
        {
            IInventoryService invService = m_scene.InventoryService;

            InventoryItemBase item = new InventoryItemBase(gestureId, client.AgentId);
            item = invService.GetItem(item);
            if (item != null)
            {
                item.Flags &= ~(uint)1;
                invService.UpdateItem(item);
            }
            else 
                m_log.ErrorFormat(
                    "[GESTURES]: Unable to find gesture to deactivate {0} for {1}", gestureId, client.Name);
        }
    }
}