/// <summary>
/// Cope with this viewer limitation.
/// </summary>
/// <param name="regInfo"></param>
/// <returns></returns>
public bool Check4096(ulong realHandle, out uint x, out uint y)
{
uint ux = 0, uy = 0;
Utils.LongToUInts(realHandle, out ux, out uy);
x = ux / Constants.RegionSize;
y = uy / Constants.RegionSize;
const uint limit = (4096 - 1) * Constants.RegionSize;
uint xmin = ux - limit;
uint xmax = ux + limit;
uint ymin = uy - limit;
uint ymax = uy + limit;
// World map boundary checks
if (xmin < 0 || xmin > ux)
{
xmin = 0;
}
if (xmax > int.MaxValue || xmax < ux)
{
xmax = int.MaxValue;
}
if (ymin < 0 || ymin > uy)
{
ymin = 0;
}
if (ymax > int.MaxValue || ymax < uy)
{
ymax = int.MaxValue;
}
// Check for any regions that are within the possible teleport range to the linked region
List <GridRegion> regions = m_GridService.GetRegionRange(m_ScopeID, (int)xmin, (int)xmax, (int)ymin, (int)ymax);
if (regions.Count == 0)
{
return(false);
}
else
{
// Check for regions which are not linked regions
List <GridRegion> hyperlinks = m_GridService.GetHyperlinks(m_ScopeID);
IEnumerable <GridRegion> availableRegions = regions.Except(hyperlinks);
if (availableRegions.Count() == 0)
{
return(false);
}
}
return(true);
}
/// <summary>
/// Cope with this viewer limitation.
/// </summary>
/// <param name="regInfo"></param>
/// <returns></returns>
public bool Check4096(ulong realHandle, out uint x, out uint y)
{
uint ux = 0, uy = 0;
Utils.LongToUInts(realHandle, out ux, out uy);
x = ux / Constants.RegionSize;
y = uy / Constants.RegionSize;
const uint limit = (4096 - 1) * Constants.RegionSize;
uint xmin = ux - limit;
uint xmax = ux + limit;
uint ymin = uy - limit;
uint ymax = uy + limit;
// World map boundary checks
if (xmin < 0 || xmin > ux)
{
xmin = 0;
}
if (xmax > int.MaxValue || xmax < ux)
{
xmax = int.MaxValue;
}
if (ymin < 0 || ymin > uy)
{
ymin = 0;
}
if (ymax > int.MaxValue || ymax < uy)
{
ymax = int.MaxValue;
}
// Check for any regions that are within the possible teleport range to the linked region
List <GridRegion> regions = m_GridService.GetRegionRange(m_ScopeID, (int)xmin, (int)xmax, (int)ymin, (int)ymax);
if (regions.Count == 0)
{
return(false);
}
else
{
// Check for regions which are not linked regions
List <GridRegion> hyperlinks = m_GridService.GetHyperlinks(m_ScopeID);
// would like to use .Except, but doesn't seem to exist
//IEnumerable<GridRegion> availableRegions = regions.Except(hyperlinks);
List <GridRegion> availableRegions = regions.FindAll(delegate(GridRegion region)
{
// Ewww! n^2
if (hyperlinks.Find(delegate(GridRegion r) { return(r.RegionID == region.RegionID); }) == null) // not hyperlink. good.
{
return(true);
}
return(false);
});
if (availableRegions.Count == 0)
{
return(false);
}
}
return(true);
}
