public Point GetClosestPointOnTile(Point position, out bool success)
{
lock (_threadLocker)
{
float[] extents = new Point(20.0f, 2000.0f, 20.0f).ToFloatArray();
float[] center = position.ToRecast().ToFloatArray();
float tx, ty;
GetTileByLocation(position, out tx, out ty);
int x = (int)Math.Floor(tx);
int y = (int)Math.Floor(ty);
LoadTile(x, y);
dtPolyRef startRef = _query.FindNearestPolygon(center, extents, Filter);
if (startRef == 0)
{
success = false;
return(new Point());
}
float[] result;
DetourStatus status = _query.closestPointOnPolyBoundary(startRef, center, out result);
if (status.HasFailed())
{
success = false;
return(new Point());
}
success = true;
return(new Point(result.ToWoW()));
}
}
public float GetZ(Point position, bool strict = false)
{
lock (_threadLocker)
{
float[] extents = strict ? new Point(0.5f, 2000.0f, 0.5f).ToFloatArray() : new Point(1.5f, 2000.0f, 1.5f).ToFloatArray();
float[] center = position.ToRecast().ToFloatArray();
float tx, ty;
GetTileByLocation(position, out tx, out ty);
int x = (int)Math.Floor(tx);
int y = (int)Math.Floor(ty);
LoadTile(x, y);
dtPolyRef startRef = _query.FindNearestPolygon(center, extents, Filter);
if (startRef == 0)
{
Logging.WriteDebug("There is no polygon in this location (Tile " + x + "," + y + "), coord: X:" +
position.X + ", Y:" + position.Y);
return(0);
}
float z = _query.GetPolyHeight(startRef, center);
if (z == 0 && !strict) // it failed but we are not strict, then search around
{
float[] result;
DetourStatus status = _query.closestPointOnPolyBoundary(startRef, center, out result);
z = status.HasFailed() ? 0 : result[1];
}
return(z);
}
}
public bool LoadTile(byte[] data)
{
lock (_threadLocker)
{
try
{
if (CheckDungeon())
{
return(false);
}
MeshTile tile;
DetourStatus ret = _mesh.AddTile(data, out tile);
if (ret.IsWrongVersion())
{
Logging.WriteNavigator("This mesh tile is outdated.");
return(false);
}
if (ret.HasFailed())
{
Logging.WriteNavigator("This mesh tile is corrupted.");
return(false);
}
AddMemoryPressure(data.LongLength);
// HandleConnections(tile);
return(true);
}
catch (Exception exception)
{
Logging.WriteError("LoadTile(byte[] data): " + exception);
return(false);
}
}
}
public NavMeshException(DetourStatus status, string text)
: base(text + " (" + status + ")")
{
try
{
Status = status;
}
catch (Exception exception)
{
Logging.WriteError("NavMeshException(DetourStatus status, string text): " + exception);
}
}
public Pather(string continent, ConnectionHandlerDelegate connectionHandler)
{
lock (_threadLocker)
{
try
{
ConnectionHandler = connectionHandler;
Continent = continent.Substring(continent.LastIndexOf('\\') + 1);
string dir = Application.StartupPath;
_meshPath = dir + "\\Meshes"; // + continent;
if (!Directory.Exists(_meshPath))
{
Logging.WriteNavigator(DetourStatus.Failure + " No mesh for " + continent + " (Path: " + _meshPath +
")");
}
_mesh = new NavMesh();
_loadedTiles = new Dictionary <Tuple <int, int>, int>();
_failedTiles = new Dictionary <Tuple <int, int>, int>();
if (_loadTileCheck == null)
{
_loadTileCheck = new Helpful.Timer(60 * 1000); // 1 min
}
DetourStatus status;
// check if this is a dungeon and initialize our mesh accordingly
WoWMap map = WoWMap.FromMPQName(continent);
if (map.Record.MapType == WoWMap.MapType.WDTOnlyType || continent == "AllianceGunship")
{
string dungeonPath = GetDungeonPath();
if (!File.Exists(_meshPath + "\\" + dungeonPath))
{
downloadTile(dungeonPath);
}
byte[] data = File.ReadAllBytes(_meshPath + "\\" + dungeonPath);
status = _mesh.Initialize(data);
AddMemoryPressure(data.LongLength);
IsDungeon = true;
}
else // 20bits 28bits
{
status = _mesh.Initialize(1048576, 2048 * Division * Division, Utility.Origin, Utility.TileSize / Division, Utility.TileSize / Division);
}
// maxPolys = 1 << polyBits (20) = 1048576
// maxTiles = is 8192 (was 4096), Travel loads tons of tile in quester.
// I have logs with over 6000 .tile files loaded.
if (status.HasFailed())
{
Logging.WriteNavigator(status + " Failed to initialize the mesh");
}
_query = new NavMeshQuery(new PatherCallback(this));
DetourStatus t = _query.Initialize(_mesh, 524287); // 20bits - 1
//Logging.WriteDebug("NavMeshQuery initialized with status: " + t);
Filter = new QueryFilter {
IncludeFlags = 0xFFFF, ExcludeFlags = 0x0
};
// Add the costs
Filter.SetAreaCost((int)PolyArea.Water, 4);
Filter.SetAreaCost((int)PolyArea.Terrain, 1);
Filter.SetAreaCost((int)PolyArea.Road, 1); // This is the Taxi system, not in tiles yet
Filter.SetAreaCost((int)PolyArea.Danger, 25);
if (nManagerSetting.DangerousZones.Count > 0)
{
int addedDangers = ReportDanger(nManagerSetting.DangerousZones, true);
if (addedDangers > 0)
{
Logging.WriteNavigator(addedDangers + " dangers added.");
}
}
}
catch (Exception exception)
{
Logging.WriteError("Pather(string continent, ConnectionHandlerDelegate connectionHandler): " + exception);
}
}
}
public NavMeshException(DetourStatus status, string text)
: base(text + " (" + status + ")")
{
Status = status;
}
public NavMeshException(DetourStatus status, string text)
: base(text + " (" + status + ")")
{
Status = status;
}
public static bool HasSucceeded(this DetourStatus status)
{
return(status.HasFlag(DetourStatus.Success));
}
public static bool IsPartialResult(this DetourStatus status)
{
return(status.HasFlag(DetourStatus.PartialResult));
}
public static bool IsInProgress(this DetourStatus status)
{
return(status.HasFlag(DetourStatus.InProgress));
}
public static bool IsWrongVersion(this DetourStatus status)
{
return(status.HasFlag(DetourStatus.WrongVersion));
}
public static bool HasFailed(this DetourStatus status)
{
return(status.HasFlag(DetourStatus.Failure));
}