/*

 * Copyright (c) Contributors, http://aurora-sim.org/

 * 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:

 *     * Redistributions of source code must retain the above copyright

 *       notice, this list of conditions and the following disclaimer.

 *     * Redistributions in binary form must reproduce the above copyright

 *       notice, this list of conditions and the following disclaimer in the

 *       documentation and/or other materials provided with the distribution.

 *     * Neither the name of the Aurora-Sim Project nor the

 *       names of its contributors may be used to endorse or promote products

 *       derived from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY

 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY

 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */



using Aurora.Framework;

using Aurora.Framework.ClientInterfaces;

using Aurora.Framework.ConsoleFramework;

using Aurora.Framework.Modules;

using Aurora.Framework.PresenceInfo;

using Aurora.Framework.SceneInfo;

using Aurora.Framework.SceneInfo.Entities;

using Aurora.Framework.Utilities;

using OpenMetaverse;

using System;

using System.Collections.Generic;

using System.Linq;



namespace Aurora.ScriptEngine.AuroraDotNetEngine

{

    /// <summary>

    ///     Prepares events so they can be directly executed upon a script by EventQueueManager, then queues it.

    /// </summary>

    public class EventManager

    {

        //

        // This class it the link between an event inside OpenSim and

        // the corresponding event in a user script being executed.

        //

        // For example when an user touches an object then the

        // "scene.EventManager.OnObjectGrab" event is fired

        // inside OpenSim.

        // We hook up to this event and queue a touch_start in

        // the event queue with the proper LSL parameters.

        //

        // You can check debug C# dump of an LSL script if you need to

        // verify what exact parameters are needed.

        //



        private readonly Dictionary<uint, Dictionary<UUID, DetectParams>> CoalescedTouchEvents =

            new Dictionary<uint, Dictionary<UUID, DetectParams>>();



        private readonly ScriptEngine m_scriptEngine;



        public EventManager(ScriptEngine _ScriptEngine)

        {

            m_scriptEngine = _ScriptEngine;

        }



        public void HookUpRegionEvents(IScene Scene)

        {

            //MainConsole.Instance.Info("[" + myScriptEngine.ScriptEngineName +

            //           "]: Hooking up to server events");



            Scene.EventManager.OnObjectGrab +=

                touch_start;

            Scene.EventManager.OnObjectGrabbing +=

                touch;

            Scene.EventManager.OnObjectDeGrab +=

                touch_end;

            Scene.EventManager.OnScriptChangedEvent +=

                changed;

            Scene.EventManager.OnScriptAtTargetEvent +=

                at_target;

            Scene.EventManager.OnScriptNotAtTargetEvent +=

                not_at_target;

            Scene.EventManager.OnScriptAtRotTargetEvent +=

                at_rot_target;

            Scene.EventManager.OnScriptNotAtRotTargetEvent +=

                not_at_rot_target;

            Scene.EventManager.OnScriptControlEvent +=

                control;

            Scene.EventManager.OnScriptColliderStart +=

                collision_start;

            Scene.EventManager.OnScriptColliding +=

                collision;

            Scene.EventManager.OnScriptCollidingEnd +=

                collision_end;

            Scene.EventManager.OnScriptLandColliderStart +=

                land_collision_start;

            Scene.EventManager.OnScriptLandColliding +=

                land_collision;

            Scene.EventManager.OnScriptLandColliderEnd +=

                land_collision_end;

            Scene.EventManager.OnAttach += attach;

            Scene.EventManager.OnScriptMovingStartEvent += moving_start;

            Scene.EventManager.OnScriptMovingEndEvent += moving_end;



            Scene.EventManager.OnRezScripts += rez_scripts;





            IMoneyModule money =

                Scene.RequestModuleInterface<IMoneyModule>();

            if (money != null)

            {

                money.OnObjectPaid += HandleObjectPaid;

                money.OnPostObjectPaid += HandlePostObjectPaid;

            }

        }



        //private void HandleObjectPaid(UUID objectID, UUID agentID, int amount)

        private bool HandleObjectPaid(UUID objectID, UUID agentID, int amount)

        {

            //bool ret = false;

            //ISceneChildEntity part = m_scriptEngine.findPrim(objectID);



            //if (part == null)

            //    return;



            //MainConsole.Instance.Debug("Paid: " + objectID + " from " + agentID + ", amount " + amount);

            //if (part.ParentGroup != null)

            //    part = part.ParentGroup.RootPart;



            //if (part != null)

            //{

            //    money(part.LocalId, agentID, amount);

            //}

            //if (part != null)

            //{

            //    MainConsole.Instance.Debug("Paid: " + objectID + " from " + agentID + ", amount " + amount);

            //    if (part.ParentEntity != null) part = part.ParentEntity.RootChild;

            //    if (part != null)

            //    {

            //        ret = money(part.LocalId, agentID, amount);

            //    }

            //}

            //return ret;

            return true;

        }



        private bool HandlePostObjectPaid(uint localID, ulong regionHandle, UUID agentID, int amount)

        {

            return money(localID, agentID, amount);

        }



        public void changed(ISceneChildEntity part, uint change)

        {

            ScriptData[] datas = ScriptEngine.ScriptProtection.GetScripts(part.UUID);



            if (datas == null || datas.Length == 0)

            {

                datas = ScriptEngine.ScriptProtection.GetScripts(part.ParentEntity.RootChild.UUID);

                if (datas == null || datas.Length == 0)

                    return;

            }

            string functionName = "changed";

            object[] param = new Object[] {new LSL_Types.LSLInteger(change)};



            foreach (ScriptData ID in datas)

            {

                m_scriptEngine.AddToScriptQueue(ID, functionName, new DetectParams[0], EventPriority.FirstStart,

                                                param);

            }

        }



        /// <summary>

        ///     Handles piping the proper stuff to The script engine for touching

        ///     Including DetectedParams

        /// </summary>

        /// <param name="part"></param>

        /// <param name="child"></param>

        /// <param name="offsetPos"></param>

        /// <param name="remoteClient"></param>

        /// <param name="surfaceArgs"></param>

        public void touch_start(ISceneChildEntity part, ISceneChildEntity child, Vector3 offsetPos,

                                IClientAPI remoteClient, SurfaceTouchEventArgs surfaceArgs)

        {

            // Add to queue for all scripts in ObjectID object

            Dictionary<UUID, DetectParams> det = new Dictionary<UUID, DetectParams>();

            if (!CoalescedTouchEvents.TryGetValue(part.LocalId, out det))

                det = new Dictionary<UUID, DetectParams>();



            DetectParams detparam = new DetectParams {Key = remoteClient.AgentId};



            detparam.Populate(part.ParentEntity.Scene);

            detparam.LinkNum = child.LinkNum;



            if (surfaceArgs != null)

            {

                detparam.SurfaceTouchArgs = surfaceArgs;

            }



            det[remoteClient.AgentId] = detparam;

            CoalescedTouchEvents[part.LocalId] = det;



            ScriptData[] datas = ScriptEngine.ScriptProtection.GetScripts(part.UUID);



            if (datas == null || datas.Length == 0)

                return;



            string functionName = "touch_start";

            object[] param = new Object[] {new LSL_Types.LSLInteger(det.Count)};



            foreach (ScriptData ID in datas)

            {

                m_scriptEngine.AddToScriptQueue(ID, functionName, new List<DetectParams>(det.Values).ToArray(),

                                                EventPriority.FirstStart, param);

            }

        }



        public void touch(ISceneChildEntity part, ISceneChildEntity child, Vector3 offsetPos,

                          IClientAPI remoteClient, SurfaceTouchEventArgs surfaceArgs)

        {

            Dictionary<UUID, DetectParams> det = new Dictionary<UUID, DetectParams>();

            if (!CoalescedTouchEvents.TryGetValue(part.LocalId, out det))

                det = new Dictionary<UUID, DetectParams>();



            // Add to queue for all scripts in ObjectID object

            DetectParams detparam = new DetectParams();

            detparam = new DetectParams

                           {

                               Key = remoteClient.AgentId,

                               OffsetPos = new LSL_Types.Vector3(offsetPos.X,

                                                                 offsetPos.Y,

                                                                 offsetPos.Z)

                           };



            detparam.Populate(part.ParentEntity.Scene);

            detparam.LinkNum = child.LinkNum;



            if (surfaceArgs != null)

                detparam.SurfaceTouchArgs = surfaceArgs;



            det[remoteClient.AgentId] = detparam;

            CoalescedTouchEvents[part.LocalId] = det;



            ScriptData[] datas = ScriptEngine.ScriptProtection.GetScripts(part.UUID);



            if (datas == null || datas.Length == 0)

                return;



            string functionName = "touch";

            object[] param = new Object[] {new LSL_Types.LSLInteger(det.Count)};



            foreach (ScriptData ID in datas)

            {

                m_scriptEngine.AddToScriptQueue(ID, functionName, new List<DetectParams>(det.Values).ToArray(),

                                                EventPriority.FirstStart, param);

            }

        }



        public void touch_end(ISceneChildEntity part, ISceneChildEntity child, IClientAPI remoteClient,

                              SurfaceTouchEventArgs surfaceArgs)

        {

            Dictionary<UUID, DetectParams> det = new Dictionary<UUID, DetectParams>();

            if (!CoalescedTouchEvents.TryGetValue(part.LocalId, out det))

                det = new Dictionary<UUID, DetectParams>();



            // Add to queue for all scripts in ObjectID object

            DetectParams detparam = new DetectParams();

            detparam = new DetectParams {Key = remoteClient.AgentId};



            detparam.Populate(part.ParentEntity.Scene);

            detparam.LinkNum = child.LinkNum;



            if (surfaceArgs != null)

                detparam.SurfaceTouchArgs = surfaceArgs;



            det[remoteClient.AgentId] = detparam;

            CoalescedTouchEvents[part.LocalId] = det;



            ScriptData[] datas = ScriptEngine.ScriptProtection.GetScripts(part.UUID);



            if (datas == null || datas.Length == 0)

                return;



            string functionName = "touch_end";

            object[] param = new Object[] {new LSL_Types.LSLInteger(det.Count)};



            foreach (ScriptData ID in datas)

            {

                m_scriptEngine.AddToScriptQueue(ID, functionName, new List<DetectParams>(det.Values).ToArray(),

                                                EventPriority.FirstStart, param);

            }

            //Remove us from the det param list

            det.Remove(remoteClient.AgentId);

            CoalescedTouchEvents[part.LocalId] = det;

        }



        //public void money(uint localID, UUID agentID, int amount)

        public bool money(uint localID, UUID agentID, int amount)

        {

            bool ret = false;

            ISceneChildEntity part = m_scriptEngine.findPrim(localID);

            if (part == null) return ret;



            ScriptData[] datas = ScriptEngine.ScriptProtection.GetScripts(part.UUID);



            if (datas == null || datas.Length == 0)

            {

                datas = ScriptEngine.ScriptProtection.GetScripts(part.ParentEntity.UUID);

                if (datas == null || datas.Length == 0) return ret;

            }

            string functionName = "money";

            object[] param = new object[]

                                 {

                                     new LSL_Types.LSLString(agentID.ToString()),

                                     new LSL_Types.LSLInteger(amount)

                                 };



            foreach (ScriptData ID in datas)

            {

                m_scriptEngine.AddToScriptQueue(ID, functionName, new DetectParams[0], EventPriority.FirstStart,

                                                param);

                ret = true;

            }

            return ret;

        }



        public void collision_start(ISceneChildEntity part, ColliderArgs col)

        {

            // Add to queue for all scripts in ObjectID object

            List<DetectParams> det = new List<DetectParams>();



#if (!ISWIN)

            foreach (DetectedObject detobj in col.Colliders)

            {

                DetectParams d = new DetectParams { Key = detobj.keyUUID };

                d.Populate(part.ParentEntity.Scene);

                d.LinkNum = part.LinkNum;

                det.Add(d);

            }

#else

            foreach (DetectParams d in col.Colliders.Select(detobj => new DetectParams {Key = detobj.keyUUID}))

            {

                d.Populate(part.ParentEntity.Scene);

                d.LinkNum = part.LinkNum;

                det.Add(d);

            }

#endif



            if (det.Count > 0)

            {

                ScriptData[] datas = ScriptEngine.ScriptProtection.GetScripts(part.UUID);



                if (datas == null || datas.Length == 0)

                {

                    //datas = ScriptEngine.ScriptProtection.GetScripts(part.ParentGroup.RootPart.UUID);

                    //if (datas == null || datas.Length == 0)

                    return;

                }

                string functionName = "collision_start";

                object[] param = new Object[] {new LSL_Types.LSLInteger(det.Count)};



                foreach (ScriptData ID in datas)

                {

                    m_scriptEngine.AddToScriptQueue(ID, functionName, det.ToArray(), EventPriority.FirstStart, param);

                }

            }

        }



        public void collision(ISceneChildEntity part, ColliderArgs col)

        {

            // Add to queue for all scripts in ObjectID object

            List<DetectParams> det = new List<DetectParams>();



#if (!ISWIN)

            foreach (DetectedObject detobj in col.Colliders)

            {

                DetectParams d = new DetectParams { Key = detobj.keyUUID };

                d.Populate(part.ParentEntity.Scene);

                d.LinkNum = part.LinkNum;

                det.Add(d);

            }

#else

            foreach (DetectParams d in col.Colliders.Select(detobj => new DetectParams {Key = detobj.keyUUID}))

            {

                d.Populate(part.ParentEntity.Scene);

                d.LinkNum = part.LinkNum;

                det.Add(d);

            }

#endif



            if (det.Count > 0)

            {

                ScriptData[] datas = ScriptEngine.ScriptProtection.GetScripts(part.UUID);



                if (datas == null || datas.Length == 0)

                {

                    //datas = ScriptEngine.ScriptProtection.GetScripts(part.ParentGroup.RootPart.UUID);

                    //if (datas == null || datas.Length == 0)

                    return;

                }

                string functionName = "collision";

                object[] param = new Object[] {new LSL_Types.LSLInteger(det.Count)};



                foreach (ScriptData ID in datas)

                {

                    m_scriptEngine.AddToScriptQueue(ID, functionName, det.ToArray(), EventPriority.FirstStart, param);

                }

            }

        }



        public void collision_end(ISceneChildEntity part, ColliderArgs col)

        {

            // Add to queue for all scripts in ObjectID object

            List<DetectParams> det = new List<DetectParams>();



#if (!ISWIN)

            foreach (DetectedObject detobj in col.Colliders)

            {

                DetectParams d = new DetectParams { Key = detobj.keyUUID };

                d.Populate(part.ParentEntity.Scene);

                d.LinkNum = part.LinkNum;

                det.Add(d);

            }

#else

            foreach (DetectParams d in col.Colliders.Select(detobj => new DetectParams {Key = detobj.keyUUID}))

            {

                d.Populate(part.ParentEntity.Scene);

                d.LinkNum = part.LinkNum;

                det.Add(d);

            }

#endif



            if (det.Count > 0)

            {

                ScriptData[] datas = ScriptEngine.ScriptProtection.GetScripts(part.UUID);



                if (datas == null || datas.Length == 0)

                {

                    //datas = ScriptEngine.ScriptProtection.GetScripts(part.ParentGroup.RootPart.UUID);

                    //if (datas == null || datas.Length == 0)

                    return;

                }

                string functionName = "collision_end";

                object[] param = new Object[] {new LSL_Types.LSLInteger(det.Count)};



                foreach (ScriptData ID in datas)

                {

                    m_scriptEngine.AddToScriptQueue(ID, functionName, det.ToArray(), EventPriority.FirstStart, param);

                }

            }

        }



        public void land_collision_start(ISceneChildEntity part, ColliderArgs col)

        {

            List<DetectParams> det = new List<DetectParams>();



#if (!ISWIN)

            foreach (DetectedObject detobj in col.Colliders)

            {

                DetectParams d = new DetectParams

                                     {

                                         Position =

                                             new LSL_Types.Vector3(detobj.posVector.X, detobj.posVector.Y,

                                                                   detobj.posVector.Z),

                                         Key = detobj.keyUUID

                                     };

                d.Populate(part.ParentEntity.Scene);

                d.LinkNum = part.LinkNum;

                det.Add(d);

            }

#else

            foreach (DetectParams d in col.Colliders.Select(detobj => new DetectParams

                                                                          {

                                                                              Position =

                                                                                  new LSL_Types.Vector3(

                                                                                  detobj.posVector.X,

                                                                                  detobj.posVector.Y,

                                                                                  detobj.posVector.Z),

                                                                              Key = detobj.keyUUID

                                                                          }))

            {

                d.Populate(part.ParentEntity.Scene);

                d.LinkNum = part.LinkNum;

                det.Add(d);

            }

#endif

            if (det.Count != 0)

            {

                ScriptData[] datas = ScriptEngine.ScriptProtection.GetScripts(part.UUID);



                if (datas == null || datas.Length == 0)

                {

                    //datas = ScriptEngine.ScriptProtection.GetScripts(part.ParentGroup.RootPart.UUID);

                    //if (datas == null || datas.Length == 0)

                    return;

                }

                string functionName = "land_collision_start";

                object[] param = new Object[] {new LSL_Types.Vector3(det[0].Position)};



                foreach (ScriptData ID in datas)

                {

                    m_scriptEngine.AddToScriptQueue(ID, functionName, det.ToArray(), EventPriority.FirstStart, param);

                }

            }

        }



        public void land_collision(ISceneChildEntity part, ColliderArgs col)

        {

            List<DetectParams> det = new List<DetectParams>();



#if (!ISWIN)

            foreach (DetectedObject detobj in col.Colliders)

            {

                DetectParams d = new DetectParams

                                     {

                                         Position = new LSL_Types.Vector3(detobj.posVector.X, detobj.posVector.Y, detobj.posVector.Z),

                                         Key = detobj.keyUUID

                                     };

                d.Populate(part.ParentEntity.Scene);

                d.LinkNum = part.LinkNum;

                det.Add(d);

            }

#else

            foreach (DetectParams d in col.Colliders.Select(detobj => new DetectParams

                                                                          {

                                                                              Position =

                                                                                  new LSL_Types.Vector3(

                                                                                  detobj.posVector.X,

                                                                                  detobj.posVector.Y,

                                                                                  detobj.posVector.Z),

                                                                              Key = detobj.keyUUID

                                                                          }))

            {

                d.Populate(part.ParentEntity.Scene);

                d.LinkNum = part.LinkNum;

                det.Add(d);

            }

#endif

            if (det.Count != 0)

            {

                ScriptData[] datas = ScriptEngine.ScriptProtection.GetScripts(part.UUID);



                if (datas == null || datas.Length == 0)

                {

                    //datas = ScriptEngine.ScriptProtection.GetScripts(part.ParentGroup.RootPart.UUID);

                    //if (datas == null || datas.Length == 0)

                    return;

                }

                string functionName = "land_collision";

                object[] param = new Object[] {new LSL_Types.Vector3(det[0].Position)};



                foreach (ScriptData ID in datas)

                {

                    m_scriptEngine.AddToScriptQueue(ID, functionName, det.ToArray(), EventPriority.FirstStart, param);

                }

            }

        }



        public void land_collision_end(ISceneChildEntity part, ColliderArgs col)

        {

            List<DetectParams> det = new List<DetectParams>();



#if (!ISWIN)

            foreach (DetectedObject detobj in col.Colliders)

            {

                DetectParams d = new DetectParams

                                     {

                                         Position = new LSL_Types.Vector3(detobj.posVector.X, detobj.posVector.Y, detobj.posVector.Z),

                                         Key = detobj.keyUUID

                                     };

                d.Populate(part.ParentEntity.Scene);

                d.LinkNum = part.LinkNum;

                det.Add(d);

            }

#else

            foreach (DetectParams d in col.Colliders.Select(detobj => new DetectParams

                                                                          {

                                                                              Position =

                                                                                  new LSL_Types.Vector3(

                                                                                  detobj.posVector.X,

                                                                                  detobj.posVector.Y,

                                                                                  detobj.posVector.Z),

                                                                              Key = detobj.keyUUID

                                                                          }))

            {

                d.Populate(part.ParentEntity.Scene);

                d.LinkNum = part.LinkNum;

                det.Add(d);

            }

#endif

            if (det.Count != 0)

            {

                ScriptData[] datas = ScriptEngine.ScriptProtection.GetScripts(part.UUID);



                if (datas == null || datas.Length == 0)

                {

                    //datas = ScriptEngine.ScriptProtection.GetScripts(part.ParentGroup.RootPart.UUID);

                    //if (datas == null || datas.Length == 0)

                    return;

                }

                string functionName = "land_collision_end";

                object[] param = new Object[] {new LSL_Types.Vector3(det[0].Position)};



                foreach (ScriptData ID in datas)

                {

                    m_scriptEngine.AddToScriptQueue(ID, functionName, det.ToArray(), EventPriority.FirstStart, param);

                }

            }

        }



        public void control(ISceneChildEntity part, UUID itemID, UUID agentID, uint held, uint change)

        {

            if (part == null)

                return;

            ScriptData ID = ScriptEngine.ScriptProtection.GetScript(part.UUID, itemID);



            if (ID == null)

                return;



            string functionName = "control";

            object[] param = new object[]

                                 {

                                     new LSL_Types.LSLString(agentID.ToString()),

                                     new LSL_Types.LSLInteger(held),

                                     new LSL_Types.LSLInteger(change)

                                 };



            m_scriptEngine.AddToScriptQueue(ID, functionName, new DetectParams[0], EventPriority.FirstStart, param);

        }



        public void email(uint localID, UUID itemID, string timeSent,

                          string address, string subject, string message, int numLeft)

        {

            ISceneChildEntity part = m_scriptEngine.findPrim(localID);

            if (part == null)

                return;

            ScriptData[] datas = ScriptEngine.ScriptProtection.GetScripts(part.UUID);



            if (datas == null || datas.Length == 0)

            {

                datas = ScriptEngine.ScriptProtection.GetScripts(part.ParentEntity.UUID);

                if (datas == null || datas.Length == 0)

                    return;

            }

            string functionName = "email";

            object[] param = new object[]

                                 {

                                     new LSL_Types.LSLString(timeSent),

                                     new LSL_Types.LSLString(address),

                                     new LSL_Types.LSLString(subject),

                                     new LSL_Types.LSLString(message),

                                     new LSL_Types.LSLInteger(numLeft)

                                 };



            foreach (ScriptData ID in datas)

            {

                m_scriptEngine.AddToScriptQueue(ID, functionName, new DetectParams[0], EventPriority.FirstStart,

                                                param);

            }

        }



        public void at_target(uint localID, uint handle, Vector3 targetpos,

                              Vector3 atpos)

        {

            ISceneChildEntity part = m_scriptEngine.findPrim(localID);

            if (part == null)

                return;

            ScriptData[] datas = ScriptEngine.ScriptProtection.GetScripts(part.UUID);



            if (datas == null || datas.Length == 0)

            {

                datas = ScriptEngine.ScriptProtection.GetScripts(part.ParentEntity.UUID);

                if (datas == null || datas.Length == 0)

                    return;

            }

            string functionName = "at_target";

            object[] param = new object[]

                                 {

                                     new LSL_Types.LSLInteger(handle),

                                     new LSL_Types.Vector3(targetpos.X, targetpos.Y, targetpos.Z),

                                     new LSL_Types.Vector3(atpos.X, atpos.Y, atpos.Z)

                                 };



            foreach (ScriptData ID in datas)

            {

                m_scriptEngine.AddToScriptQueue(ID, functionName, new DetectParams[0], EventPriority.FirstStart,

                                                param);

            }

        }



        public void not_at_target(uint localID)

        {

            ISceneChildEntity part = m_scriptEngine.findPrim(localID);

            if (part == null)

                return;

            ScriptData[] datas = ScriptEngine.ScriptProtection.GetScripts(part.UUID);



            if (datas == null || datas.Length == 0)

            {

                datas = ScriptEngine.ScriptProtection.GetScripts(part.ParentEntity.UUID);

                if (datas == null || datas.Length == 0)

                    return;

            }

            string functionName = "not_at_target";

            object[] param = new object[0];



            foreach (ScriptData ID in datas)

            {

                m_scriptEngine.AddToScriptQueue(ID, functionName, new DetectParams[0], EventPriority.FirstStart,

                                                param);

            }

        }



        public void at_rot_target(uint localID, uint handle, Quaternion targetrot,

                                  Quaternion atrot)

        {

            ISceneChildEntity part = m_scriptEngine.findPrim(localID);

            if (part == null)

                return;

            ScriptData[] datas = ScriptEngine.ScriptProtection.GetScripts(part.UUID);



            if (datas == null || datas.Length == 0)

            {

                datas = ScriptEngine.ScriptProtection.GetScripts(part.ParentEntity.UUID);

                if (datas == null || datas.Length == 0)

                    return;

            }

            string functionName = "at_rot_target";

            object[] param = new object[]

                                 {

                                     new LSL_Types.LSLInteger(handle),

                                     new LSL_Types.Quaternion(targetrot.X, targetrot.Y, targetrot.Z, targetrot.W),

                                     new LSL_Types.Quaternion(atrot.X, atrot.Y, atrot.Z, atrot.W)

                                 };



            foreach (ScriptData ID in datas)

            {

                m_scriptEngine.AddToScriptQueue(ID, functionName, new DetectParams[0], EventPriority.FirstStart,

                                                param);

            }

        }



        public void not_at_rot_target(uint localID)

        {

            ISceneChildEntity part = m_scriptEngine.findPrim(localID);

            if (part == null)

                return;

            ScriptData[] datas = ScriptEngine.ScriptProtection.GetScripts(part.UUID);



            if (datas == null || datas.Length == 0)

            {

                datas = ScriptEngine.ScriptProtection.GetScripts(part.ParentEntity.UUID);

                if (datas == null || datas.Length == 0)

                    return;

            }

            string functionName = "not_at_rot_target";

            object[] param = new object[0];



            foreach (ScriptData ID in datas)

            {

                m_scriptEngine.AddToScriptQueue(ID, functionName, new DetectParams[0], EventPriority.FirstStart,

                                                param);

            }

        }



        public void attach(uint localID, UUID itemID, UUID avatar)

        {

            ISceneChildEntity part = m_scriptEngine.findPrim(localID);

            if (part == null)

                return;

            ScriptData[] datas = ScriptEngine.ScriptProtection.GetScripts(part.UUID);



            if (datas == null || datas.Length == 0)

            {

                datas = ScriptEngine.ScriptProtection.GetScripts(part.ParentEntity.UUID);

                if (datas == null || datas.Length == 0)

                    return;

            }

            string functionName = "attach";

            object[] param = new object[]

                                 {

                                     new LSL_Types.LSLString(avatar.ToString())

                                 };



            foreach (ScriptData ID in datas)

            {

                m_scriptEngine.AddToScriptQueue(ID, functionName, new DetectParams[0], EventPriority.FirstStart,

                                                param);

            }

        }



        public void moving_start(ISceneChildEntity part)

        {

            ScriptData[] datas = ScriptEngine.ScriptProtection.GetScripts(part.UUID);



            if (datas == null || datas.Length == 0)

            {

                datas = ScriptEngine.ScriptProtection.GetScripts(part.ParentEntity.RootChild.UUID);

                if (datas == null || datas.Length == 0)

                    return;

            }

            string functionName = "moving_start";

            object[] param = new object[0];



            foreach (ScriptData ID in datas)

            {

                m_scriptEngine.AddToScriptQueue(ID, functionName, new DetectParams[0], EventPriority.FirstStart,

                                                param);

            }

        }



        public void moving_end(ISceneChildEntity part)

        {

            ScriptData[] datas = ScriptEngine.ScriptProtection.GetScripts(part.UUID);



            if (datas == null || datas.Length == 0)

            {

                datas = ScriptEngine.ScriptProtection.GetScripts(part.ParentEntity.RootChild.UUID);

                if (datas == null || datas.Length == 0)

                    return;

            }

            string functionName = "moving_end";

            object[] param = new object[0];



            foreach (ScriptData ID in datas)

            {

                m_scriptEngine.AddToScriptQueue(ID, functionName, new DetectParams[0], EventPriority.FirstStart,

                                                param);

            }

        }



        /// <summary>

        ///     Start multiple scripts in the object

        /// </summary>

        /// <param name="part"></param>

        /// <param name="items"></param>

        /// <param name="startParam"></param>

        /// <param name="postOnRez"></param>

        /// <param name="stateSource"></param>

        /// <param name="rezzedFrom"></param>

        /// <param name="clearStateSaves"></param>

        public void rez_scripts(ISceneChildEntity part, TaskInventoryItem[] items,

                                int startParam, bool postOnRez, StateSource stateSource, UUID rezzedFrom,

                                bool clearStateSaves)

        {

#if (!ISWIN)

            List<LUStruct> ItemsToStart = new List<LUStruct>();

            foreach (TaskInventoryItem item in items)

            {

                LUStruct itemToQueue = m_scriptEngine.StartScript(part, item.ItemID, startParam, postOnRez, stateSource, rezzedFrom, clearStateSaves);

                if (itemToQueue.Action != LUType.Unknown) ItemsToStart.Add(itemToQueue);

            }

#else

            List<LUStruct> ItemsToStart =

                items.Select(

                    item =>

                    m_scriptEngine.StartScript(part, item.ItemID, startParam, postOnRez, stateSource, rezzedFrom,

                                               clearStateSaves))

                     .Where(itemToQueue => itemToQueue.Action != LUType.Unknown)

                     .ToList();

#endif

            if (ItemsToStart.Count != 0)

                m_scriptEngine.MaintenanceThread.AddScriptChange(ItemsToStart.ToArray(), LoadPriority.FirstStart);

        }



        /// <summary>

        ///     This checks the minimum amount of time between script firings as well as control events, making sure that events do NOT fire after scripts reset, close or restart, etc

        /// </summary>

        /// <param name="ID"></param>

        /// <param name="FunctionName"></param>

        /// <param name="param"></param>

        /// <returns></returns>

        public bool CheckIfEventShouldFire(ScriptData ID, string FunctionName, object[] param)

        {

            lock (ID.ScriptEventLock)

            {

                if (ID.Loading)

                {

                    //If the script is loading, enqueue all events

                    return true;

                }

                //This will happen if the script doesn't compile correctly

                if (ID.Script == null)

                {

                    MainConsole.Instance.Info("[AuroraDotNetEngine]: Could not load script from item '" +

                                              ID.InventoryItem.Name +

                                              "' to fire event " + FunctionName);

                    return false;

                }

                scriptEvents eventType = (scriptEvents) Enum.Parse(typeof (scriptEvents), FunctionName);



                // this must be done even if there is no event method



                if (eventType == scriptEvents.touch_start)

                    ID.RemoveTouchEvents = false;

                else if (eventType == scriptEvents.collision_start)

                    ID.RemoveCollisionEvents = false;

                else if (eventType == scriptEvents.land_collision_start)

                    ID.RemoveLandCollisionEvents = false;



                if (eventType == scriptEvents.state_entry)

                    ID.ResetEvents();



                if ((ID.Script.GetStateEventFlags(ID.State) & (long) eventType) == 0)

                    return false; //If the script doesn't contain the state, don't even bother queueing it



                //Make sure we can execute events at position

                if (!m_scriptEngine.PipeEventsForScript(ID.Part))

                    return false;



                switch (eventType)

                {

                    case scriptEvents.timer:

                        if (ID.TimerInQueue)

                            return false;

                        ID.TimerInQueue = true;

                        break;

                    case scriptEvents.sensor:

                        if (ID.SensorInQueue)

                            return false;

                        ID.SensorInQueue = true;

                        break;

                    case scriptEvents.no_sensor:

                        if (ID.NoSensorInQueue)

                            return false;

                        ID.NoSensorInQueue = true;

                        break;

                    case scriptEvents.at_target:

                        if (ID.AtTargetInQueue)

                            return false;

                        ID.AtTargetInQueue = true;

                        break;

                    case scriptEvents.not_at_target:

                        if (ID.NotAtTargetInQueue)

                            return false;

                        ID.NotAtTargetInQueue = true;

                        break;

                    case scriptEvents.at_rot_target:

                        if (ID.AtRotTargetInQueue)

                            return false;

                        ID.AtRotTargetInQueue = true;

                        break;

                    case scriptEvents.not_at_rot_target:

                        if (ID.NotAtRotTargetInQueue)

                            return false;

                        ID.NotAtRotTargetInQueue = true;

                        break;

                    case scriptEvents.control:

                        int held = ((LSL_Types.LSLInteger) param[1]).value;

                        // int changed = ((LSL_Types.LSLInteger)data.Params[2]).value;



                        // If the last message was a 0 (nothing held)

                        // and this one is also nothing held, drop it

                        //

                        if (ID.LastControlLevel == held && held == 0)

                            return true;



                        // If there is one or more queued, then queue

                        // only changed ones, else queue unconditionally

                        //

                        if (ID.ControlEventsInQueue > 0)

                        {

                            if (ID.LastControlLevel == held)

                                return false;

                        }

                        break;

                    case scriptEvents.collision:

                        if (ID.CollisionInQueue || ID.RemoveCollisionEvents)

                            return false;

                        ID.CollisionInQueue = true;

                        break;

                    case scriptEvents.moving_start:

                        if (ID.MovingInQueue) //Block all other moving_starts until moving_end is called

                            return false;

                        ID.MovingInQueue = true;

                        break;

                    case scriptEvents.moving_end:

                        if (!ID.MovingInQueue) //If we get a moving_end after we have sent one event, don't fire another

                            return false;

                        break;

                    case scriptEvents.collision_end:

                        if (ID.RemoveCollisionEvents)

                            return false;

                        break;

                    case scriptEvents.touch:

                        if (ID.TouchInQueue || ID.RemoveTouchEvents)

                            return false;

                        ID.TouchInQueue = true;

                        break;

                    case scriptEvents.touch_end:

                        if (ID.RemoveTouchEvents)

                            return false;

                        break;

                    case scriptEvents.land_collision:

                        if (ID.LandCollisionInQueue || ID.RemoveLandCollisionEvents)

                            return false;

                        ID.LandCollisionInQueue = true;

                        break;

                    case scriptEvents.land_collision_end:

                        if (ID.RemoveLandCollisionEvents)

                            return false;

                        break;

                    case scriptEvents.changed:

                        Changed changed;

                        if (param[0] is Changed)

                            changed = (Changed) param[0];

                        else

                            changed = (Changed) (((LSL_Types.LSLInteger) param[0]).value);

                        if (ID.ChangedInQueue.Contains(changed))

                            return false;

                        ID.ChangedInQueue.Add(changed);

                        break;

                }

            }

            return true;

        }



        /// <summary>

        ///     This removes the event from the queue and allows it to be fired again

        /// </summary>

        /// <param name="QIS"></param>

        public void EventComplete(QueueItemStruct QIS)

        {

            lock (QIS.ID.ScriptEventLock)

            {

                scriptEvents eventType = (scriptEvents) Enum.Parse(typeof (scriptEvents), QIS.functionName);

                switch (eventType)

                {

                    case scriptEvents.timer:

                        QIS.ID.TimerInQueue = false;

                        break;

                    case scriptEvents.control:

                        if (QIS.ID.ControlEventsInQueue > 0)

                            QIS.ID.ControlEventsInQueue--;

                        break;

                    case scriptEvents.collision:

                        QIS.ID.CollisionInQueue = false;

                        break;

                    case scriptEvents.collision_end:

                        QIS.ID.CollisionInQueue = false;

                        break;

                    case scriptEvents.moving_end:

                        QIS.ID.MovingInQueue = false;

                        break;

                    case scriptEvents.touch:

                        QIS.ID.TouchInQueue = false;

                        break;

                    case scriptEvents.touch_end:

                        QIS.ID.TouchInQueue = false;

                        break;

                    case scriptEvents.land_collision:

                        QIS.ID.LandCollisionInQueue = false;

                        break;

                    case scriptEvents.land_collision_end:

                        QIS.ID.LandCollisionInQueue = false;

                        break;

                    case scriptEvents.sensor:

                        QIS.ID.SensorInQueue = false;

                        break;

                    case scriptEvents.no_sensor:

                        QIS.ID.NoSensorInQueue = false;

                        break;

                    case scriptEvents.at_target:

                        QIS.ID.AtTargetInQueue = false;

                        break;

                    case scriptEvents.not_at_target:

                        QIS.ID.NotAtTargetInQueue = false;

                        break;

                    case scriptEvents.at_rot_target:

                        QIS.ID.AtRotTargetInQueue = false;

                        break;

                    case scriptEvents.not_at_rot_target:

                        QIS.ID.NotAtRotTargetInQueue = false;

                        break;

                    case scriptEvents.changed:

                        Changed changed;

                        if (QIS.param[0] is Changed)

                        {

                            changed = (Changed) QIS.param[0];

                        }

                        else

                        {

                            changed = (Changed) (((LSL_Types.LSLInteger) QIS.param[0]).value);

                        }

                        QIS.ID.ChangedInQueue.Remove(changed);

                        break;

                }

            }

        }

    }

}