/// <summary>
/// Adds or replaces a tile in the navigation mesh
/// </summary>
/// <remarks>The coordinate of the tile is embedded inside the tile data header</remarks>
public bool AddOrReplaceTile(byte[] data)
{
fixed(byte *dataPtr = data)
{
Navigation.TileHeader *header = (Navigation.TileHeader *)dataPtr;
var coord = new Point(header->X, header->Y);
// Remove old tile if it exists
RemoveTile(coord);
tileCoordinates.Add(coord);
return(Navigation.AddTile(navmesh, new IntPtr(dataPtr), data.Length));
}
}
private unsafe IntPtr LoadLayer(NavigationMeshLayer navigationMeshLayer)
{
IntPtr layer = Navigation.CreateNavmesh(cellTileSize);
if (layer == IntPtr.Zero)
{
return(layer);
}
// Add all the tiles to the navigation mesh
foreach (var tile in navigationMeshLayer.Tiles)
{
if (tile.Value.Data == null)
continue; // Just skip empty tiles
fixed(byte *inputData = tile.Value.Data)
{
Navigation.AddTile(layer, tile.Key, new IntPtr(inputData), tile.Value.Data.Length);
}
}
return(layer);
}
