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/*
* Copyright (c) Contributors, http://opensimulator.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 OpenSimulator 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 System;
using System.Collections.Generic;
using System.Reflection;
using System.Threading;
using log4net;
using OpenMetaverse;
using OpenSim.Framework;
using pCampBot.Interfaces;
namespace pCampBot
{
/// <summary>
/// Get the bot to make a region crossing.
/// </summary>
public class CrossBehaviour : AbstractBehaviour
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
public AutoResetEvent m_regionCrossedMutex = new AutoResetEvent(false);
public const int m_regionCrossingTimeout = 1000 * 60;
public CrossBehaviour() { Name = "Cross"; }
public override void Action()
{
GridClient client = Bot.Client;
// // Fly to make the border cross easier.
// client.Self.Movement.Fly = true;
// client.Self.Movement.Fly = false;
// Seek out neighbouring region
Simulator currentSim = client.Network.CurrentSim;
ulong currentHandle = currentSim.Handle;
uint currentX, currentY;
Utils.LongToUInts(currentHandle, out currentX, out currentY);
List<GridRegion> candidateRegions = new List<GridRegion>();
TryAddRegion(Utils.UIntsToLong(Math.Max(0, currentX - Constants.RegionSize), currentY), candidateRegions); // West
TryAddRegion(Utils.UIntsToLong(currentX + Constants.RegionSize, currentY), candidateRegions); // East
TryAddRegion(Utils.UIntsToLong(currentX, Math.Max(0, currentY - Constants.RegionSize)), candidateRegions); // South
TryAddRegion(Utils.UIntsToLong(currentX, currentY + Constants.RegionSize), candidateRegions); // North
if (candidateRegions.Count != 0)
{
GridRegion destRegion = candidateRegions[Bot.Manager.Rng.Next(candidateRegions.Count)];
uint targetX, targetY;
Utils.LongToUInts(destRegion.RegionHandle, out targetX, out targetY);
Vector3 pos = client.Self.SimPosition;
if (targetX < currentX)
pos.X = -1;
else if (targetX > currentX)
pos.X = Constants.RegionSize + 1;
if (targetY < currentY)
pos.Y = -1;
else if (targetY > currentY)
pos.Y = Constants.RegionSize + 1;
m_log.DebugFormat(
"[CROSS BEHAVIOUR]: {0} moving to cross from {1} into {2}, target {3}",
Bot.Name, currentSim.Name, destRegion.Name, pos);
// Face in the direction of the candidate region
client.Self.Movement.TurnToward(pos);
// Listen for event so that we know when we've crossed the region boundary
Bot.Client.Self.RegionCrossed += Self_RegionCrossed;
// Start moving
Bot.Client.Self.Movement.AtPos = true;
// Stop when reach region target or border cross detected
if (!m_regionCrossedMutex.WaitOne(m_regionCrossingTimeout))
{
m_log.ErrorFormat(
"[CROSS BEHAVIOUR]: {0} failed to cross from {1} into {2} with {3}ms",
Bot.Name, currentSim.Name, destRegion.Name, m_regionCrossingTimeout);
}
else
{
m_log.DebugFormat(
"[CROSS BEHAVIOUR]: {0} crossed from {1} into {2}",
Bot.Name, currentSim.Name, destRegion.Name);
}
Bot.Client.Self.RegionCrossed -= Self_RegionCrossed;
// We will hackishly carry on travelling into the region for a little bit.
Thread.Sleep(6000);
m_log.DebugFormat(
"[CROSS BEHAVIOUR]: {0} stopped moving after cross from {1} into {2}",
Bot.Name, currentSim.Name, destRegion.Name);
Bot.Client.Self.Movement.AtPos = false;
}
else
{
m_log.DebugFormat(
"[CROSS BEHAVIOUR]: No candidate region for {0} to cross into from {1}. Ignoring.",
Bot.Name, currentSim.Name);
}
}
private bool TryAddRegion(ulong handle, List<GridRegion> regions)
{
Dictionary<ulong, GridRegion> knownRegions = Bot.Manager.RegionsKnown;
lock (knownRegions)
{
if (knownRegions.Count == 0)
return false;
m_log.DebugFormat("[CROSS BEHAVIOUR]: Looking for region with handle {0} in known regions", handle);
if (knownRegions.ContainsKey(handle))
{
GridRegion region = knownRegions[handle];
m_log.DebugFormat(
"[CROSS BEHAVIOUR]: Adding region {0} to crossing candidates for {1}", region.Name, Bot.Name);
regions.Add(region);
return true;
}
else
{
return false;
}
}
}
internal void Self_RegionCrossed(object o, RegionCrossedEventArgs args)
{
m_regionCrossedMutex.Set();
}
}
}
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