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fix region overlaps on registration

melanie
UbitUmarov 2016-12-01 03:45:43 +00:00
parent cfb98050f7
commit 8299941517
1 changed files with 17 additions and 95 deletions
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110
OpenSim/Services/GridService/GridService.cs
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@ -203,9 +203,23 @@ namespace OpenSim.Services.GridService
return "Invalid RegionID - cannot be zero UUID";
String reason = "Region overlaps another region";
// we should not need to check for overlaps
RegionData region = m_Database.Get(regionInfos.RegionLocX, regionInfos.RegionLocY, scopeID);
List<RegionData> rdatas = m_Database.Get(
regionInfos.RegionLocX,
regionInfos.RegionLocY,
regionInfos.RegionLocX + regionInfos.RegionSizeX,
regionInfos.RegionLocY + regionInfos.RegionSizeY,
scopeID);
RegionData region = null;
if(rdatas.Count > 1)
{
m_log.WarnFormat("{0} Register region overlaps with {1} regions", LogHeader, scopeID, rdatas.Count);
return reason;
}
else if(rdatas.Count == 1)
region = rdatas[0];
if ((region != null) && (region.RegionID != regionInfos.RegionID))
{
// If not same ID and same coordinates, this new region has conflicts and can't be registered.
@ -341,99 +355,7 @@ namespace OpenSim.Services.GridService
return String.Empty;
}
/*
/// <summary>
/// Search the region map for regions conflicting with this region.
/// The region to be added is passed and we look for any existing regions that are
/// in the requested location, that are large varregions that overlap this region, or
/// are previously defined regions that would lie under this new region.
/// </summary>
/// <param name="regionInfos">Information on region requested to be added to the world map</param>
/// <param name="scopeID">Grid id for region</param>
/// <param name="reason">The reason the returned region conflicts with passed region</param>
/// <returns></returns>
private RegionData FindAnyConflictingRegion(GridRegion regionInfos, UUID scopeID, out string reason)
{
reason = "Reregistration";
// First see if there is an existing region right where this region is trying to go
// (We keep this result so it can be returned if suppressing errors)
RegionData noErrorRegion = m_Database.Get(regionInfos.RegionLocX, regionInfos.RegionLocY, scopeID);
RegionData region = noErrorRegion;
if (region != null
&& region.RegionID == regionInfos.RegionID
&& region.sizeX == regionInfos.RegionSizeX
&& region.sizeY == regionInfos.RegionSizeY)
{
// If this seems to be exactly the same region, return this as it could be
// a re-registration (permissions checked by calling routine).
m_log.DebugFormat("{0} FindAnyConflictingRegion: re-register of {1}",
LogHeader, RegionString(regionInfos));
return region;
}
// No region exactly there or we're resizing an existing region.
// Fetch regions that could be varregions overlapping requested location.
int xmin = regionInfos.RegionLocX - (int)Constants.MaximumRegionSize + 10;
int xmax = regionInfos.RegionLocX;
int ymin = regionInfos.RegionLocY - (int)Constants.MaximumRegionSize + 10;
int ymax = regionInfos.RegionLocY;
List<RegionData> rdatas = m_Database.Get(xmin, ymin, xmax, ymax, scopeID);
foreach (RegionData rdata in rdatas)
{
// m_log.DebugFormat("{0} FindAnyConflictingRegion: find existing. Checking {1}", LogHeader, RegionString(rdata) );
if ( (rdata.posX + rdata.sizeX > regionInfos.RegionLocX)
&& (rdata.posY + rdata.sizeY > regionInfos.RegionLocY) )
{
region = rdata;
m_log.WarnFormat("{0} FindAnyConflictingRegion: conflict of {1} by existing varregion {2}",
LogHeader, RegionString(regionInfos), RegionString(region));
reason = String.Format("Region location is overlapped by existing varregion {0}",
RegionString(region));
if (m_SuppressVarregionOverlapCheckOnRegistration)
region = noErrorRegion;
return region;
}
}
// There isn't a region that overlaps this potential region.
// See if this potential region overlaps an existing region.
// First, a shortcut of not looking for overlap if new region is legacy region sized
// and connot overlap anything.
if (regionInfos.RegionSizeX != Constants.RegionSize
|| regionInfos.RegionSizeY != Constants.RegionSize)
{
// trim range looked for so we don't pick up neighbor regions just off the edges
xmin = regionInfos.RegionLocX;
xmax = regionInfos.RegionLocX + regionInfos.RegionSizeX - 10;
ymin = regionInfos.RegionLocY;
ymax = regionInfos.RegionLocY + regionInfos.RegionSizeY - 10;
rdatas = m_Database.Get(xmin, ymin, xmax, ymax, scopeID);
// If the region is being resized, the found region could be ourself.
foreach (RegionData rdata in rdatas)
{
// m_log.DebugFormat("{0} FindAnyConflictingRegion: see if overlap. Checking {1}", LogHeader, RegionString(rdata) );
if (region == null || region.RegionID != regionInfos.RegionID)
{
region = rdata;
m_log.WarnFormat("{0} FindAnyConflictingRegion: conflict of varregion {1} overlaps existing region {2}",
LogHeader, RegionString(regionInfos), RegionString(region));
reason = String.Format("Region {0} would overlap existing region {1}",
RegionString(regionInfos), RegionString(region));
if (m_SuppressVarregionOverlapCheckOnRegistration)
region = noErrorRegion;
return region;
}
}
}
// If we get here, region is either null (nothing found here) or
// is the non-conflicting region found at the location being requested.
return region;
}
*/
// String describing name and region location of passed region
private String RegionString(RegionData reg)
{