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-rw-r--r--OpenSim/Region/Framework/Scenes/Scene.cs40
1 files changed, 40 insertions, 0 deletions
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 724c635..64ed6c7 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -960,6 +960,46 @@ namespace OpenSim.Region.Framework.Scenes
960 return found; 960 return found;
961 } 961 }
962 962
963 /// <summary>
964 /// Checks whether this region has a neighbour in the given direction.
965 /// </summary>
966 /// <param name="car"></param>
967 /// <param name="fix"></param>
968 /// <returns>
969 /// An integer which represents a compass point. N == 1, going clockwise until we reach NW == 8.
970 /// Returns a positive integer if there is a region in that direction, a negative integer if not.
971 /// </returns>
972 public int HaveNeighbor(Cardinals car, ref int[] fix)
973 {
974 uint neighbourx = RegionInfo.RegionLocX;
975 uint neighboury = RegionInfo.RegionLocY;
976
977 int dir = (int)car;
978
979 if (dir > 1 && dir < 5) //Heading East
980 neighbourx++;
981 else if (dir > 5) // Heading West
982 neighbourx--;
983
984 if (dir < 3 || dir == 8) // Heading North
985 neighboury++;
986 else if (dir > 3 && dir < 7) // Heading Sout
987 neighboury--;
988
989 int x = (int)(neighbourx * Constants.RegionSize);
990 int y = (int)(neighboury * Constants.RegionSize);
991 GridRegion neighbourRegion = GridService.GetRegionByPosition(RegionInfo.ScopeID, x, y);
992
993 if (neighbourRegion == null)
994 {
995 fix[0] = (int)(RegionInfo.RegionLocX - neighbourx);
996 fix[1] = (int)(RegionInfo.RegionLocY - neighboury);
997 return dir * (-1);
998 }
999 else
1000 return dir;
1001 }
1002
963 // Alias IncomingHelloNeighbour OtherRegionUp, for now 1003 // Alias IncomingHelloNeighbour OtherRegionUp, for now
964 public GridRegion IncomingHelloNeighbour(RegionInfo neighbour) 1004 public GridRegion IncomingHelloNeighbour(RegionInfo neighbour)
965 { 1005 {