14 files changed, 126 insertions, 74 deletions

diff --git a/OpenSim/Data/MSSQL/MSSQLRegionData.cs b/OpenSim/Data/MSSQL/MSSQLRegionData.cs
index 0fe8de7..d79d32b 100644
--- a/OpenSim/Data/MSSQL/MSSQLRegionData.cs
+++ b/OpenSim/Data/MSSQL/MSSQLRegionData.cs
@@ -485,7 +485,7 @@ ELSE
         /// <returns></returns>
         public double[,] LoadTerrain(UUID regionID)
         {
-            double[,] terrain = new double[256, 256];
+            double[,] terrain = new double[(int)Constants.RegionSize, (int)Constants.RegionSize];
             terrain.Initialize();
 
             string sql = "select top 1 RegionUUID, Revision, Heightfield from terrain where RegionUUID = @RegionUUID order by Revision desc";
@@ -502,9 +502,9 @@ ELSE
                     {
                         MemoryStream str = new MemoryStream((byte[])reader["Heightfield"]);
                         BinaryReader br = new BinaryReader(str);
-                        for (int x = 0; x < 256; x++)
+                        for (int x = 0; x < (int)Constants.RegionSize; x++)
                         {
-                            for (int y = 0; y < 256; y++)
+                            for (int y = 0; y < (int)Constants.RegionSize; y++)
                             {
                                 terrain[x, y] = br.ReadDouble();
                             }
@@ -749,12 +749,12 @@ VALUES
         /// <returns></returns>
         private static Array serializeTerrain(double[,] val)
         {
-            MemoryStream str = new MemoryStream(65536 * sizeof(double));
+            MemoryStream str = new MemoryStream(((int)Constants.RegionSize * (int)Constants.RegionSize) * sizeof(double));
             BinaryWriter bw = new BinaryWriter(str);
 
             // TODO: COMPATIBILITY - Add byte-order conversions
-            for (int x = 0; x < 256; x++)
-                for (int y = 0; y < 256; y++)
+            for (int x = 0; x < (int)Constants.RegionSize; x++)
+                for (int y = 0; y < (int)Constants.RegionSize; y++)
                 {
                     double height = val[x, y];
                     if (height == 0.0)
diff --git a/OpenSim/Data/MySQL/MySQLRegionData.cs b/OpenSim/Data/MySQL/MySQLRegionData.cs
index 09564de..2166845 100644
--- a/OpenSim/Data/MySQL/MySQLRegionData.cs
+++ b/OpenSim/Data/MySQL/MySQLRegionData.cs
@@ -583,16 +583,16 @@ namespace OpenSim.Data.MySQL
                 {
                     while (reader.Read())
                     {
-                        terrain = new double[256,256];
+                        terrain = new double[(int)Constants.RegionSize, (int)Constants.RegionSize];
                         terrain.Initialize();
 
                         MemoryStream mstr = new MemoryStream((byte[]) reader["Heightfield"]);
                         int rev = 0;
 
                         BinaryReader br = new BinaryReader(mstr);
-                        for (int x = 0; x < 256; x++)
+                        for (int x = 0; x < (int)Constants.RegionSize; x++)
                         {
-                            for (int y = 0; y < 256; y++)
+                            for (int y = 0; y < (int)Constants.RegionSize; y++)
                             {
                                 terrain[x, y] = br.ReadDouble();
                             }
@@ -1141,12 +1141,12 @@ namespace OpenSim.Data.MySQL
         /// <returns></returns>
         private static Array SerializeTerrain(double[,] val)
         {
-            MemoryStream str = new MemoryStream(65536*sizeof (double));
+            MemoryStream str = new MemoryStream(((int)Constants.RegionSize * (int)Constants.RegionSize) *sizeof (double));
             BinaryWriter bw = new BinaryWriter(str);
 
             // TODO: COMPATIBILITY - Add byte-order conversions
-            for (int x = 0; x < 256; x++)
-                for (int y = 0; y < 256; y++)
+            for (int x = 0; x < (int)Constants.RegionSize; x++)
+                for (int y = 0; y < (int)Constants.RegionSize; y++)
                 {
                     double height = val[x, y];
                     if (height == 0.0)
diff --git a/OpenSim/Data/NHibernate/NHibernateRegionData.cs b/OpenSim/Data/NHibernate/NHibernateRegionData.cs
index 3f04f68..26ec500 100644
--- a/OpenSim/Data/NHibernate/NHibernateRegionData.cs
+++ b/OpenSim/Data/NHibernate/NHibernateRegionData.cs
@@ -376,8 +376,8 @@ namespace OpenSim.Data.NHibernate
 //            BinaryWriter bw = new BinaryWriter(str);
 //
 //            // TODO: COMPATIBILITY - Add byte-order conversions
-//            for (int x = 0; x < 256; x++)
-//                for (int y = 0; y < 256; y++)
+//            for (int x = 0; x < (int)Constants.RegionSize; x++)
+//                for (int y = 0; y < (int)Constants.RegionSize; y++)
 //                    bw.Write(val[x, y]);
 //
 //            return str.ToArray();
diff --git a/OpenSim/Data/SQLite/SQLiteRegionData.cs b/OpenSim/Data/SQLite/SQLiteRegionData.cs
index 2f9f59d..3555caf 100644
--- a/OpenSim/Data/SQLite/SQLiteRegionData.cs
+++ b/OpenSim/Data/SQLite/SQLiteRegionData.cs
@@ -571,7 +571,7 @@ namespace OpenSim.Data.SQLite
         {
             lock (ds)
             {
-                double[,] terret = new double[256,256];
+                double[,] terret = new double[(int)Constants.RegionSize, (int)Constants.RegionSize];
                 terret.Initialize();
 
                 String sql = "select RegionUUID, Revision, Heightfield from terrain" +
@@ -589,9 +589,9 @@ namespace OpenSim.Data.SQLite
                             // TODO: put this into a function
                             MemoryStream str = new MemoryStream((byte[]) row["Heightfield"]);
                             BinaryReader br = new BinaryReader(str);
-                            for (int x = 0; x < 256; x++)
+                            for (int x = 0; x < (int)Constants.RegionSize; x++)
                             {
-                                for (int y = 0; y < 256; y++)
+                                for (int y = 0; y < (int)Constants.RegionSize; y++)
                                 {
                                     terret[x, y] = br.ReadDouble();
                                 }
@@ -1427,12 +1427,12 @@ namespace OpenSim.Data.SQLite
         /// <returns></returns>
         private static Array serializeTerrain(double[,] val)
         {
-            MemoryStream str = new MemoryStream(65536*sizeof (double));
+            MemoryStream str = new MemoryStream(((int)Constants.RegionSize * (int)Constants.RegionSize) *sizeof (double));
             BinaryWriter bw = new BinaryWriter(str);
 
             // TODO: COMPATIBILITY - Add byte-order conversions
-            for (int x = 0; x < 256; x++)
-                for (int y = 0; y < 256; y++)
+            for (int x = 0; x < (int)Constants.RegionSize; x++)
+                for (int y = 0; y < (int)Constants.RegionSize; y++)
                     bw.Write(val[x, y]);
 
             return str.ToArray();
@@ -1443,12 +1443,12 @@ namespace OpenSim.Data.SQLite
 //             row["RegionUUID"] = regionUUID;
 //             row["Revision"] = rev;
 
-//             MemoryStream str = new MemoryStream(65536*sizeof (double));
+        //             MemoryStream str = new MemoryStream(((int)Constants.RegionSize * (int)Constants.RegionSize )*sizeof (double));
 //             BinaryWriter bw = new BinaryWriter(str);
 
 //             // TODO: COMPATIBILITY - Add byte-order conversions
-//             for (int x = 0; x < 256; x++)
-//                 for (int y = 0; y < 256; y++)
+        //             for (int x = 0; x < (int)Constants.RegionSize; x++)
+        //                 for (int y = 0; y < (int)Constants.RegionSize; y++)
 //                     bw.Write(val[x, y]);
 
 //             row["Heightfield"] = str.ToArray();
diff --git a/OpenSim/Region/CoreModules/Scripting/EMailModules/EmailModule.cs b/OpenSim/Region/CoreModules/Scripting/EMailModules/EmailModule.cs
index 905239b..83f004d 100644
--- a/OpenSim/Region/CoreModules/Scripting/EMailModules/EmailModule.cs
+++ b/OpenSim/Region/CoreModules/Scripting/EMailModules/EmailModule.cs
@@ -34,6 +34,7 @@ using DotNetOpenMail.SmtpAuth;
 using log4net;
 using Nini.Config;
 using OpenMetaverse;
+using OpenSim.Framework;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
 
@@ -205,8 +206,8 @@ namespace OpenSim.Region.CoreModules.Scripting.EmailModules
                     if (part != null)
                     {
                         ObjectRegionName = s.RegionInfo.RegionName;
-                        uint localX = (s.RegionInfo.RegionLocX * 256);
-                        uint localY = (s.RegionInfo.RegionLocY * 256);
+                        uint localX = (s.RegionInfo.RegionLocX * (int)Constants.RegionSize);
+                        uint localY = (s.RegionInfo.RegionLocY * (int)Constants.RegionSize);
                         ObjectRegionName = ObjectRegionName + " (" + localX + ", " + localY + ")";
                         return part;
                     }
diff --git a/OpenSim/Region/CoreModules/World/Terrain/Tests/TerrainTest.cs b/OpenSim/Region/CoreModules/World/Terrain/Tests/TerrainTest.cs
index 9660092..3d4f762 100644
--- a/OpenSim/Region/CoreModules/World/Terrain/Tests/TerrainTest.cs
+++ b/OpenSim/Region/CoreModules/World/Terrain/Tests/TerrainTest.cs
@@ -27,6 +27,7 @@
 
 using System;
 using NUnit.Framework;
+using OpenSim.Framework;
 using OpenSim.Region.CoreModules.World.Terrain.PaintBrushes;
 using OpenSim.Region.Framework.Scenes;
 
@@ -38,12 +39,12 @@ namespace OpenSim.Region.CoreModules.World.Terrain.Tests
         [Test]
         public void BrushTest()
         {
-            bool[,] allowMask = new bool[256, 256];
+            bool[,] allowMask = new bool[(int)Constants.RegionSize, 256];
             int x;
             int y;
-            for (x=0; x<128; x++)
+            for (x = 0; x < (int)((int)Constants.RegionSize * 0.5f); x++)
             {
-                for (y=0; y<256; y++)
+                for (y = 0; y < (int)Constants.RegionSize; y++)
                 {
                     allowMask[x,y] = true;
                 }
@@ -52,20 +53,20 @@ namespace OpenSim.Region.CoreModules.World.Terrain.Tests
             //
             // Test RaiseSphere
             //
-            TerrainChannel map = new TerrainChannel(256, 256);
+            TerrainChannel map = new TerrainChannel((int)Constants.RegionSize, (int)Constants.RegionSize);
             ITerrainPaintableEffect effect = new RaiseSphere();
 
-            effect.PaintEffect(map, allowMask, 128.0, 128.0, -1.0, 2, 0.1);
-            Assert.That(map[127, 128] > 0.0, "Raise brush should raising value at this point (127,128).");
-            Assert.That(map[124, 128] > 0.0, "Raise brush should raising value at this point (124,128).");
-            Assert.That(map[123, 128] == 0.0, "Raise brush should not change value at this point (123,128).");
-            Assert.That(map[128, 128] == 0.0, "Raise brush should not change value at this point (128,128).");
-            Assert.That(map[0, 128] == 0.0, "Raise brush should not change value at this point (0,128).");
+            effect.PaintEffect(map, allowMask, (int)Constants.RegionSize * 0.5f, (int)Constants.RegionSize * 0.5f, -1.0, 2, 0.1);
+            Assert.That(map[127, (int)((int)Constants.RegionSize * 0.5f)] > 0.0, "Raise brush should raising value at this point (127,128).");
+            Assert.That(map[124, (int)((int)Constants.RegionSize * 0.5f)] > 0.0, "Raise brush should raising value at this point (124,128).");
+            Assert.That(map[123, (int)((int)Constants.RegionSize * 0.5f)] == 0.0, "Raise brush should not change value at this point (123,128).");
+            Assert.That(map[128, (int)((int)Constants.RegionSize * 0.5f)] == 0.0, "Raise brush should not change value at this point (128,128).");
+            Assert.That(map[0, (int)((int)Constants.RegionSize * 0.5f)] == 0.0, "Raise brush should not change value at this point (0,128).");
 
             //
             // Test LowerSphere
             //
-            map = new TerrainChannel(256, 256);
+            map = new TerrainChannel((int)Constants.RegionSize, (int)Constants.RegionSize);
             for (x=0; x<map.Width; x++)
             {
                 for (y=0; y<map.Height; y++)
@@ -75,19 +76,19 @@ namespace OpenSim.Region.CoreModules.World.Terrain.Tests
             }
             effect = new LowerSphere();
 
-            effect.PaintEffect(map, allowMask, 128.0, 128.0, -1.0, 2, 6.0);
-            Assert.That(map[127, 128] >= 0.0, "Lower should not lowering value below 0.0 at this point (127,128).");
-            Assert.That(map[127, 128] == 0.0, "Lower brush should lowering value to 0.0 at this point (127,128).");
-            Assert.That(map[124, 128] < 1.0, "Lower brush should lowering value at this point (124,128).");
-            Assert.That(map[123, 128] == 1.0, "Lower brush should not change value at this point (123,128).");
-            Assert.That(map[128, 128] == 1.0, "Lower brush should not change value at this point (128,128).");
-            Assert.That(map[0, 128] == 1.0, "Lower brush should not change value at this point (0,128).");
+            effect.PaintEffect(map, allowMask, ((int)Constants.RegionSize * 0.5f), ((int)Constants.RegionSize * 0.5f), -1.0, 2, 6.0);
+            Assert.That(map[127, (int)((int)Constants.RegionSize * 0.5f)] >= 0.0, "Lower should not lowering value below 0.0 at this point (127,128).");
+            Assert.That(map[127, (int)((int)Constants.RegionSize * 0.5f)] == 0.0, "Lower brush should lowering value to 0.0 at this point (127,128).");
+            Assert.That(map[124, (int)((int)Constants.RegionSize * 0.5f)] < 1.0, "Lower brush should lowering value at this point (124,128).");
+            Assert.That(map[123, (int)((int)Constants.RegionSize * 0.5f)] == 1.0, "Lower brush should not change value at this point (123,128).");
+            Assert.That(map[128, (int)((int)Constants.RegionSize * 0.5f)] == 1.0, "Lower brush should not change value at this point (128,128).");
+            Assert.That(map[0, (int)((int)Constants.RegionSize * 0.5f)] == 1.0, "Lower brush should not change value at this point (0,128).");
         }
 
         [Test]
         public void TerrainChannelTest()
         {
-            TerrainChannel x = new TerrainChannel(256, 256);
+            TerrainChannel x = new TerrainChannel((int)Constants.RegionSize, (int)Constants.RegionSize);
             Assert.That(x[0, 0] == 0.0, "Terrain not initialising correctly.");
 
             x[0, 0] = 1.0;
diff --git a/OpenSim/Region/CoreModules/World/WorldMap/MapImageModule.cs b/OpenSim/Region/CoreModules/World/WorldMap/MapImageModule.cs
index 7afada3..d1d3045 100644
--- a/OpenSim/Region/CoreModules/World/WorldMap/MapImageModule.cs
+++ b/OpenSim/Region/CoreModules/World/WorldMap/MapImageModule.cs
@@ -33,6 +33,7 @@ using log4net;
 using Nini.Config;
 using OpenMetaverse;
 using OpenMetaverse.Imaging;
+using OpenSim.Framework;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
 
@@ -97,7 +98,7 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
             }
             terrainRenderer.Initialise(m_scene, m_config);
 
-            Bitmap mapbmp = new Bitmap(256, 256);
+            Bitmap mapbmp = new Bitmap((int)Constants.RegionSize, (int)Constants.RegionSize);
             //long t = System.Environment.TickCount;
             //for (int i = 0; i < 10; ++i) {
                 terrainRenderer.TerrainToBitmap(mapbmp);
diff --git a/OpenSim/Region/CoreModules/World/WorldMap/ShadedMapTileRenderer.cs b/OpenSim/Region/CoreModules/World/WorldMap/ShadedMapTileRenderer.cs
index 1836026..f39cf68 100644
--- a/OpenSim/Region/CoreModules/World/WorldMap/ShadedMapTileRenderer.cs
+++ b/OpenSim/Region/CoreModules/World/WorldMap/ShadedMapTileRenderer.cs
@@ -30,6 +30,7 @@ using System.Drawing;
 using System.Reflection;
 using log4net;
 using Nini.Config;
+using OpenSim.Framework;
 using OpenSim.Region.Framework.Scenes;
 
 namespace OpenSim.Region.CoreModules.World.WorldMap
@@ -60,9 +61,9 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
 
             float low = 255;
             float high = 0;
-            for (int x = 0; x < 256; x++)
+            for (int x = 0; x < (int)Constants.RegionSize; x++)
             {
-                for (int y = 0; y < 256; y++)
+                for (int y = 0; y < (int)Constants.RegionSize; y++)
                 {
                     float hmval = (float)hm[x, y];
                     if (hmval < low)
@@ -74,12 +75,12 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
 
             float waterHeight = (float)m_scene.RegionInfo.RegionSettings.WaterHeight;
 
-            for (int x = 0; x < 256; x++)
+            for (int x = 0; x < (int)Constants.RegionSize; x++)
             {
-                for (int y = 0; y < 256; y++)
+                for (int y = 0; y < (int)Constants.RegionSize; y++)
                 {
                     // Y flip the cordinates for the bitmap: hf origin is lower left, bm origin is upper left
-                    int yr = 255 - y;
+                    int yr = ((int)Constants.RegionSize - 1) - y;
 
                     float heightvalue = (float)hm[x, y];
 
@@ -111,7 +112,7 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
                                 float hfvalue = (float)hm[x, y];
                                 float hfvaluecompare = 0f;
 
-                                if ((x + 1 < 256) && (y + 1 < 256))
+                                if ((x + 1 < (int)Constants.RegionSize) && (y + 1 < (int)Constants.RegionSize))
                                 {
                                     hfvaluecompare = (float)hm[x + 1, y + 1]; // light from north-east => look at land height there
                                 }
@@ -176,7 +177,7 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
 
                                     if (ShadowDebugContinue)
                                     {
-                                        if ((x - 1 > 0) && (yr + 1 < 256))
+                                        if ((x - 1 > 0) && (yr + 1 < (int)Constants.RegionSize))
                                         {
                                             color = mapbmp.GetPixel(x - 1, yr + 1);
                                             int r = color.R;
@@ -231,7 +232,7 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
                                 terraincorruptedwarningsaid = true;
                             }
                             Color black = Color.Black;
-                            mapbmp.SetPixel(x, (256 - y) - 1, black);
+                            mapbmp.SetPixel(x, ((int)Constants.RegionSize - y) - 1, black);
                         }
                     }
                 }
diff --git a/OpenSim/Region/CoreModules/World/WorldMap/TexturedMapTileRenderer.cs b/OpenSim/Region/CoreModules/World/WorldMap/TexturedMapTileRenderer.cs
index 0364e7b..97ee451 100644
--- a/OpenSim/Region/CoreModules/World/WorldMap/TexturedMapTileRenderer.cs
+++ b/OpenSim/Region/CoreModules/World/WorldMap/TexturedMapTileRenderer.cs
@@ -306,15 +306,15 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
 
             double[,] hm = m_scene.Heightmap.GetDoubles();
 
-            for (int x = 0; x < 256; x++)
+            for (int x = 0; x < (int)Constants.RegionSize; x++)
             {
-                float columnRatio = x / 255f; // 0 - 1, for interpolation
-                for (int y = 0; y < 256; y++)
+                float columnRatio = x / ((float)Constants.RegionSize - 1); // 0 - 1, for interpolation
+                for (int y = 0; y < (int)Constants.RegionSize; y++)
                 {
-                    float rowRatio = y / 255f; // 0 - 1, for interpolation
+                    float rowRatio = y / ((float)Constants.RegionSize - 1); // 0 - 1, for interpolation
 
                     // Y flip the cordinates for the bitmap: hf origin is lower left, bm origin is upper left
-                    int yr = 255 - y;
+                    int yr = ((int)Constants.RegionSize - 1) - y;
 
                     float heightvalue = getHeight(hm, x, y);
                     if (Single.IsInfinity(heightvalue) || Single.IsNaN(heightvalue))
@@ -366,7 +366,7 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
                         }
 
                         // Shade the terrain for shadows
-                        if (x < 255 && y < 255)
+                        if (x < ((int)Constants.RegionSize - 1) && y < ((int)Constants.RegionSize - 1))
                         {
                             float hfvaluecompare = getHeight(hm, x + 1, y + 1); // light from north-east => look at land height there
                             if (Single.IsInfinity(hfvaluecompare) || Single.IsNaN(hfvaluecompare))
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index b48cf62..e344da3 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -1192,6 +1192,19 @@ namespace OpenSim.Region.Framework.Scenes
                     Heightmap = new TerrainChannel(map);
                 }
             }
+            catch (IOException e)
+            {
+
+                m_log.Warn("[TERRAIN]: Scene.cs: LoadWorldMap() - Failed with exception " + e.ToString() + " Regenerating");
+                
+                // Non standard region size.    If there's an old terrain in the database, it might read past the buffer
+                if ((int)Constants.RegionSize != 256)
+                {
+                    Heightmap = new TerrainChannel();
+
+                    m_storageManager.DataStore.StoreTerrain(Heightmap.GetDoubles(), RegionInfo.RegionID);
+                }
+            }
             catch (Exception e)
             {
                 m_log.Warn("[TERRAIN]: Scene.cs: LoadWorldMap() - Failed with exception " + e.ToString());
diff --git a/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETPrim.cs b/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETPrim.cs
index a7bf2d6..2cc5d41 100644
--- a/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETPrim.cs
+++ b/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETPrim.cs
@@ -216,8 +216,14 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
             tempMotionState2 = new btDefaultMotionState(_parent_scene.TransZero);
             tempMotionState3 = new btDefaultMotionState(_parent_scene.TransZero);
 
-            AxisLockLinearLow = new btVector3(-256,-256,-256);
-            AxisLockLinearHigh = new btVector3(512, 512, 512);
+            
+            AxisLockLinearLow = new btVector3(-1 * (int)Constants.RegionSize, -1 * (int)Constants.RegionSize, -1 * (int)Constants.RegionSize);
+            int regionsize = (int) Constants.RegionSize;
+            
+            if (regionsize == 256)
+                regionsize = 512;
+
+            AxisLockLinearHigh = new btVector3((int)Constants.RegionSize, (int)Constants.RegionSize, (int)Constants.RegionSize);
 
             _target_velocity = new PhysicsVector(0, 0, 0);
             _velocity = new PhysicsVector();
diff --git a/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs b/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
index b8af77d..b556395 100644
--- a/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
+++ b/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
@@ -1096,8 +1096,8 @@ namespace OpenSim.Region.Physics.OdePlugin
             //  kluge to keep things in bounds.  ODE lets dead avatars drift away (they should be removed!)
             if (vec.X < 0.0f) vec.X = 0.0f;
             if (vec.Y < 0.0f) vec.Y = 0.0f;
-            if (vec.X > 255.95f) vec.X = 255.95f;
-            if (vec.Y > 255.95f) vec.Y = 255.95f;
+            if (vec.X > (int)Constants.RegionSize - 0.05f) vec.X = (int)Constants.RegionSize - 0.05f;
+            if (vec.Y > (int)Constants.RegionSize - 0.05f) vec.Y = (int)Constants.RegionSize - 0.05f;
 
             _position.X = vec.X;
             _position.Y = vec.Y;
diff --git a/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs b/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
index 9805ff5..50dc91d 100644
--- a/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
+++ b/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
@@ -304,6 +304,13 @@ namespace OpenSim.Region.Physics.OdePlugin
         public d.Vector3 xyz = new d.Vector3(128.1640f, 128.3079f, 25.7600f);
         public d.Vector3 hpr = new d.Vector3(125.5000f, -17.0000f, 0.0000f);
 
+        private uint heightmapWidth = m_regionWidth + 1;
+        private uint heightmapHeight = m_regionHeight + 1;
+
+        private uint heightmapWidthSamples;
+
+        private uint heightmapHeightSamples;
+
         private volatile int m_global_contactcount = 0;
 
         private ODERayCastRequestManager m_rayCastManager;
@@ -3271,27 +3278,49 @@ namespace OpenSim.Region.Physics.OdePlugin
             // this._heightmap[i] = (double)heightMap[i];
             // dbm (danx0r) -- creating a buffer zone of one extra sample all around
             _origheightmap = heightMap;    // Used for Fly height. Kitto Flora
-            const uint heightmapWidth = m_regionWidth + 2;
-            const uint heightmapHeight = m_regionHeight + 2;
-            const uint heightmapWidthSamples = 2*m_regionWidth + 2;
-            const uint heightmapHeightSamples = 2*m_regionHeight + 2;
+            uint heightmapWidth = m_regionWidth + 1;
+            uint heightmapHeight = m_regionHeight + 1;
+
+            uint heightmapWidthSamples; 
+            
+            uint heightmapHeightSamples;
+            if (((int)Constants.RegionSize) == 256)
+            {
+                heightmapWidthSamples = 2*m_regionWidth + 2;
+                heightmapHeightSamples = 2*m_regionHeight + 2;
+                heightmapWidth++;
+                heightmapHeight++;
+            }
+            else
+            {
+                heightmapWidthSamples = m_regionWidth + 1;
+                heightmapHeightSamples = m_regionHeight + 1;
+            }
+
             const float scale = 1.0f;
             const float offset = 0.0f;
             const float thickness = 0.2f;
             const int wrap = 0;
+            
 
             //Double resolution
-            heightMap = ResizeTerrain512Interpolation(heightMap);
+            if (((int)Constants.RegionSize) == 256)
+                heightMap = ResizeTerrain512Interpolation(heightMap);
+
+            int regionsize = (int)Constants.RegionSize;
+            if (regionsize == 256)
+                regionsize = 512;
+
             float hfmin = 2000;
             float hfmax = -2000;
             for (int x = 0; x < heightmapWidthSamples; x++)
             {
                 for (int y = 0; y < heightmapHeightSamples; y++)
                 {
-                    int xx = Util.Clip(x - 1, 0, 511);
-                    int yy = Util.Clip(y - 1, 0, 511);
+                    int xx = Util.Clip(x - 1, 0, regionsize - 1);
+                    int yy = Util.Clip(y - 1, 0, regionsize - 1);
 
-                    float val = heightMap[yy*512 + xx];
+                    float val = heightMap[yy*regionsize + xx];
                     _heightmap[x*heightmapHeightSamples + y] = val;
                     hfmin = (val < hfmin) ? val : hfmin;
                     hfmax = (val > hfmax) ? val : hfmax;
@@ -3332,7 +3361,7 @@ namespace OpenSim.Region.Physics.OdePlugin
 
                 d.RFromAxisAndAngle(out R, v3.X, v3.Y, v3.Z, angle);
                 d.GeomSetRotation(LandGeom, ref R);
-                d.GeomSetPosition(LandGeom, 128, 128, 0);
+                d.GeomSetPosition(LandGeom, (int)Constants.RegionSize * 0.5f, (int)Constants.RegionSize * 0.5f, 0);
             }
         }
 
diff --git a/OpenSim/Region/Physics/OdePlugin/Tests/ODETestClass.cs b/OpenSim/Region/Physics/OdePlugin/Tests/ODETestClass.cs
index 7d748fd..b186175 100644
--- a/OpenSim/Region/Physics/OdePlugin/Tests/ODETestClass.cs
+++ b/OpenSim/Region/Physics/OdePlugin/Tests/ODETestClass.cs
@@ -56,8 +56,8 @@ namespace OpenSim.Region.Physics.OdePlugin
             ps = cbt.GetScene("test");
             // Initializing Physics Scene.
             ps.Initialise(imp.GetMesher(),null);
-            float[] _heightmap = new float[256 * 256];
-            for (int i = 0; i<(256*256);i++)
+            float[] _heightmap = new float[(int)Constants.RegionSize * (int)Constants.RegionSize];
+            for (int i = 0; i < ((int)Constants.RegionSize * (int)Constants.RegionSize); i++)
             {
                 _heightmap[i] = 21f;
             }