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authorMelanie Thielker2010-08-08 17:51:43 +0200
committerMelanie2010-08-08 17:37:50 +0100
commit1f25b9e8dbf500d22df55fa2a8f7f9b7bf873aa3 (patch)
treef779307b0abfa3be35871ea86e06da9a9922cf68 /OpenSim/Data
parentIn my crusade against facelights, I am striking the killing blow. Add a (diff)
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Thank you, Marck00, for a patch that implemented region distance sorting
for fallback regions. Applied with changes.
Diffstat (limited to '')
-rw-r--r--OpenSim/Data/IRegionData.cs22
-rw-r--r--OpenSim/Data/MSSQL/MSSQLRegionData.cs7
-rw-r--r--OpenSim/Data/MySQL/MySQLRegionData.cs6
3 files changed, 31 insertions, 4 deletions
diff --git a/OpenSim/Data/IRegionData.cs b/OpenSim/Data/IRegionData.cs
index 42533c6..46dc4fb 100644
--- a/OpenSim/Data/IRegionData.cs
+++ b/OpenSim/Data/IRegionData.cs
@@ -79,4 +79,26 @@ namespace OpenSim.Data
79 Authenticate = 256, // Require authentication 79 Authenticate = 256, // Require authentication
80 Hyperlink = 512 // Record represents a HG link 80 Hyperlink = 512 // Record represents a HG link
81 } 81 }
82
83 public class RegionDataDistanceCompare : IComparer<RegionData>
84 {
85 private Vector2 m_origin;
86
87 public RegionDataDistanceCompare(int x, int y)
88 {
89 m_origin = new Vector2(x, y);
90 }
91
92 public int Compare(RegionData regionA, RegionData regionB)
93 {
94 Vector2 vectorA = new Vector2(regionA.posX, regionA.posY);
95 Vector2 vectorB = new Vector2(regionB.posX, regionB.posY);
96 return Math.Sign(VectorDistance(m_origin, vectorA) - VectorDistance(m_origin, vectorB));
97 }
98
99 private float VectorDistance(Vector2 x, Vector2 y)
100 {
101 return (x - y).Length();
102 }
103 }
82} 104}
diff --git a/OpenSim/Data/MSSQL/MSSQLRegionData.cs b/OpenSim/Data/MSSQL/MSSQLRegionData.cs
index 9656be1..cdf8ec0 100644
--- a/OpenSim/Data/MSSQL/MSSQLRegionData.cs
+++ b/OpenSim/Data/MSSQL/MSSQLRegionData.cs
@@ -315,8 +315,11 @@ namespace OpenSim.Data.MSSQL
315 315
316 public List<RegionData> GetFallbackRegions(UUID scopeID, int x, int y) 316 public List<RegionData> GetFallbackRegions(UUID scopeID, int x, int y)
317 { 317 {
318 // TODO: distance-sort results 318 List<RegionData> regions = Get((int)RegionFlags.FallbackRegion, scopeID);
319 return Get((int)RegionFlags.FallbackRegion, scopeID); 319 RegionDataDistanceCompare distanceComparer = new RegionDataDistanceCompare(x, y);
320 regions.Sort(distanceComparer);
321
322 return regions;
320 } 323 }
321 324
322 public List<RegionData> GetHyperlinks(UUID scopeID) 325 public List<RegionData> GetHyperlinks(UUID scopeID)
diff --git a/OpenSim/Data/MySQL/MySQLRegionData.cs b/OpenSim/Data/MySQL/MySQLRegionData.cs
index aec37e2..878b8e8 100644
--- a/OpenSim/Data/MySQL/MySQLRegionData.cs
+++ b/OpenSim/Data/MySQL/MySQLRegionData.cs
@@ -289,8 +289,10 @@ namespace OpenSim.Data.MySQL
289 289
290 public List<RegionData> GetFallbackRegions(UUID scopeID, int x, int y) 290 public List<RegionData> GetFallbackRegions(UUID scopeID, int x, int y)
291 { 291 {
292 // TODO: distance-sort results 292 List<RegionData> regions = Get((int)RegionFlags.FallbackRegion, scopeID);
293 return Get((int)RegionFlags.FallbackRegion, scopeID); 293 RegionDataDistanceCompare distanceComparer = new RegionDataDistanceCompare(x, y);
294 regions.Sort(distanceComparer);
295 return regions;
294 } 296 }
295 297
296 public List<RegionData> GetHyperlinks(UUID scopeID) 298 public List<RegionData> GetHyperlinks(UUID scopeID)