public RegionSearchResultItem(SleekInstance instance, GridRegion region, ListBox listBox)
{
this.instance = instance;
netcom = this.instance.Netcom;
client = this.instance.Client;
this.region = region;
this.listBox = listBox;
agentCountWorker = new BackgroundWorker();
agentCountWorker.DoWork += new DoWorkEventHandler(agentCountWorker_DoWork);
agentCountWorker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(agentCountWorker_RunWorkerCompleted);
AddClientEvents();
}
/// <summary>
/// Get grid region information using the region name, this function
/// will block until it can find the region or gives up
/// </summary>
/// <param name="name">Name of sim you're looking for</param>
/// <param name="layer">Layer that you are requesting</param>
/// <param name="region">Will contain a GridRegion for the sim you're
/// looking for if successful, otherwise an empty structure</param>
/// <returns>True if the GridRegion was successfully fetched, otherwise
/// false</returns>
public bool GetGridRegion(string name, GridLayerType layer, out GridRegion region)
{
if (String.IsNullOrEmpty(name))
{
Logger.Log("GetGridRegion called with a null or empty region name", Helpers.LogLevel.Error, Client);
region = new GridRegion();
return(false);
}
// All lookups are done using lowercase sim names
name = name.ToLower();
if (Regions.ContainsKey(name))
{
// We already have this GridRegion structure
region = Regions[name];
return(true);
}
else
{
AutoResetEvent regionEvent = new AutoResetEvent(false);
GridRegionCallback callback =
delegate(GridRegion gridRegion)
{
if (gridRegion.Name == name)
{
regionEvent.Set();
}
};
OnGridRegion += callback;
RequestMapRegion(name, layer);
regionEvent.WaitOne(Client.Settings.MAP_REQUEST_TIMEOUT, false);
OnGridRegion -= callback;
if (Regions.ContainsKey(name))
{
// The region was found after our request
region = Regions[name];
return(true);
}
else
{
Logger.Log("Couldn't find region " + name, Helpers.LogLevel.Warning, Client);
region = new GridRegion();
return(false);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="simName"></param>
/// <param name="position"></param>
/// <param name="lookAt"></param>
/// <returns></returns>
public bool Teleport(string simName, LLVector3 position, LLVector3 lookAt)
{
int attempts = 0;
TeleportStat = TeleportStatus.None;
simName = simName.ToLower();
GridRegion region = Client.Grid.GetGridRegion(simName);
if (region != null)
{
return(Teleport(region.RegionHandle, position, lookAt));
}
else
{
while (attempts++ < 5)
{
region = Client.Grid.GetGridRegion(simName);
if (region != null)
{
return(Teleport(region.RegionHandle, position, lookAt));
}
else
{
// Request the region info again
Client.Grid.AddSim(simName);
System.Threading.Thread.Sleep(1000);
}
}
}
if (OnTeleport != null)
{
TeleportMessage = "Unable to resolve name: " + simName;
TeleportStat = TeleportStatus.Failed;
OnTeleport(TeleportMessage, TeleportStat);
}
return(false);
}
/// <summary>
/// Populate Grid info based on data from MapBlockReplyPacket
/// </summary>
/// <param name="packet">Incoming MapBlockReplyPacket packet</param>
/// <param name="simulator">Unused</param>
private void MapBlockReplyHandler(Packet packet, Simulator simulator)
{
GridRegion region;
MapBlockReplyPacket map = (MapBlockReplyPacket)packet;
foreach (MapBlockReplyPacket.DataBlock block in map.Data)
{
if (block.X != 0 && block.Y != 0)
{
region = new GridRegion();
region.X = block.X;
region.Y = block.Y;
region.Name = Helpers.FieldToString(block.Name);
region.RegionFlags = block.RegionFlags;
region.WaterHeight = block.WaterHeight;
region.Agents = block.Agents;
region.Access = block.Access;
region.MapImageID = block.MapImageID;
region.RegionHandle = Helpers.UIntsToLong((uint)region.X * (uint)256, (uint)region.Y * (uint)256);
lock (Regions)
{
Regions[region.Name.ToLower()] = region;
}
lock (RegionsByHandle)
{
RegionsByHandle[region.RegionHandle] = region;
}
if (OnRegionAddInternal != null && BeginGetGridRegionName == region.Name.ToLower())
{
OnRegionAddInternal(region);
}
else if (OnRegionAdd != null)
{
OnRegionAdd(region);
}
}
}
}
/// <summary>
/// Get grid region information using the region name, this function
/// will block until it can find the region or gives up
/// </summary>
/// <param name="name">Name of sim you're looking for</param>
/// <param name="layer">Layer that you are requesting</param>
/// <param name="region">Will contain a GridRegion for the sim you're
/// looking for if successful, otherwise an empty structure</param>
/// <returns>True if the GridRegion was successfully fetched, otherwise
/// false</returns>
public bool GetGridRegion(string name, GridLayerType layer, out GridRegion region)
{
if (String.IsNullOrEmpty(name))
{
Client.Log("GetGridRegion called with a null or empty region name", Helpers.LogLevel.Error);
region = new GridRegion();
return false;
}
// All lookups are done using lowercase sim names
name = name.ToLower();
if (Regions.ContainsKey(name))
{
// We already have this GridRegion structure
region = Regions[name];
return true;
}
else
{
AutoResetEvent regionEvent = new AutoResetEvent(false);
GridRegionCallback callback =
delegate(GridRegion gridRegion)
{
if (gridRegion.Name == name)
regionEvent.Set();
};
OnGridRegion += callback;
RequestMapRegion(name, layer);
regionEvent.WaitOne(Client.Settings.MAP_REQUEST_TIMEOUT, false);
OnGridRegion -= callback;
if (Regions.ContainsKey(name))
{
// The region was found after our request
region = Regions[name];
return true;
}
else
{
Client.Log("Couldn't find region " + name, Helpers.LogLevel.Warning);
region = new GridRegion();
return false;
}
}
}
private bool Equals(GridRegion region)
{
return (this.X == region.X && this.Y == region.Y);
}
/// <summary>
/// Populate Grid info based on data from MapBlockReplyPacket
/// </summary>
/// <param name="packet">Incoming MapBlockReplyPacket packet</param>
/// <param name="simulator">Unused</param>
private void MapBlockReplyHandler(Packet packet, Simulator simulator)
{
GridRegion region;
MapBlockReplyPacket map = (MapBlockReplyPacket)packet;
foreach (MapBlockReplyPacket.DataBlock block in map.Data)
{
if (block.X != 0 && block.Y != 0)
{
region = new GridRegion();
region.X = block.X;
region.Y = block.Y;
region.Name = Helpers.FieldToString(block.Name);
region.RegionFlags = block.RegionFlags;
region.WaterHeight = block.WaterHeight;
region.Agents = block.Agents;
region.Access = block.Access;
region.MapImageID = block.MapImageID;
region.RegionHandle = Helpers.UIntsToLong((uint)region.X * (uint)256, (uint)region.Y * (uint)256);
lock (Regions)
{
Regions[region.Name.ToLower()] = region;
}
lock (RegionsByHandle)
{
RegionsByHandle[region.RegionHandle] = region;
}
if (OnRegionAddInternal != null && BeginGetGridRegionName == region.Name.ToLower())
{
OnRegionAddInternal(region);
}
else if (OnRegionAdd != null)
{
OnRegionAdd(region);
}
}
}
}
private bool Equals(GridRegion region)
{
return(this.X == region.X && this.Y == region.Y);
}
/// <summary>
/// Get grid region information using the region name, this function
/// will block until it can find the region or gives up
/// </summary>
/// <param name="name">Name of sim you're looking for</param>
/// <param name="layer">Layer that you are requesting</param>
/// <param name="region">Will contain a GridRegion for the sim you're
/// looking for if successful, otherwise an empty structure</param>
/// <returns>True if the GridRegion was successfully fetched, otherwise
/// false</returns>
public bool GetGridRegion(string name, GridLayerType layer, out GridRegion region)
{
name = name.ToLower();
if (Regions.ContainsKey(name))
{
// We already have this GridRegion structure
region = Regions[name];
return true;
}
else
{
ManualResetEvent requestEvent = new ManualResetEvent(false);
if (RequestingRegions.ContainsKey(name))
{
Client.Log("GetGridRegion called for " + name + " multiple times, ignoring",
Helpers.LogLevel.Warning);
region = new GridRegion();
return false;
}
else
{
// Add this region request to the list of requests we are tracking
lock (RequestingRegions) RequestingRegions.Add(name, requestEvent);
}
// Make the request
RequestMapRegion(name, layer);
// Wait until an answer is retrieved
requestEvent.WaitOne(Client.Settings.MAP_REQUEST_TIMEOUT, false);
// Remove the dictionary entry for this lookup
lock (RequestingRegions) RequestingRegions.Remove(name);
if (Regions.ContainsKey(name))
{
// The region was found after our request
region = Regions[name];
return true;
}
else
{
Client.Log("Couldn't find region " + name, Helpers.LogLevel.Warning);
region = new GridRegion();
return false;
}
}
}
private void GridRegionHandler(GridRegion region)
{
if (region.Name.ToLower() == Sim.ToLower())
{
RegionHandle = region.RegionHandle;
Console.WriteLine("Resolved " + Sim + " to region handle " + RegionHandle);
}
}
/// <summary>
/// Populate Grid info based on data from MapBlockReplyPacket
/// </summary>
/// <param name="packet">Incoming MapBlockReplyPacket packet</param>
/// <param name="simulator">Unused</param>
private void MapBlockReplyHandler(Packet packet, Simulator simulator)
{
GridRegion region;
MapBlockReplyPacket map = (MapBlockReplyPacket)packet;
foreach (MapBlockReplyPacket.DataBlock block in map.Data)
{
if (block.X != 0 && block.Y != 0)
{
region = new GridRegion();
region.X = block.X;
region.Y = block.Y;
region.Name = Helpers.FieldToUTF8String(block.Name);
// RegionFlags seems to always be zero here?
region.RegionFlags = (Simulator.RegionFlags)block.RegionFlags;
region.WaterHeight = block.WaterHeight;
region.Agents = block.Agents;
region.Access = (Simulator.SimAccess)block.Access;
region.MapImageID = block.MapImageID;
region.RegionHandle = Helpers.UIntsToLong((uint)(region.X * 256), (uint)(region.Y * 256));
lock (Regions) Regions[region.Name.ToLower()] = region;
lock (RegionsByHandle) RegionsByHandle[region.RegionHandle] = region;
lock (RequestingRegions)
{
if (RequestingRegions.ContainsKey(region.Name.ToLower()))
RequestingRegions[region.Name.ToLower()].Set();
}
if (OnRegionAdd != null)
{
try { OnRegionAdd(region); }
catch (Exception e) { Client.Log(e.ToString(), Helpers.LogLevel.Error); }
}
}
}
}
//Separate thread
private void Grid_OnGridRegion(GridRegion region)
{
BeginInvoke(new GridManager.GridRegionCallback(RegionSearchResult), new object[] { region });
}
//UI thread
private void RegionSearchResult(GridRegion region)
{
RegionSearchResultItem item = new RegionSearchResultItem(instance, region, lbxRegionSearch);
int index = lbxRegionSearch.Items.Add(item);
item.ListIndex = index;
}
