From 6ed34cc27e53ad305f9306d5428868ca2a3b2128 Mon Sep 17 00:00:00 2001
From: Brian McBee
Date: Sun, 25 Nov 2007 03:14:43 +0000
Subject: fixed order of map block requests to grid server. flipped map
 texture, as it was upside down.

---
 OpenSim/Region/Communications/OGS1/OGS1GridServices.cs | 15 +++++++++++++++
 OpenSim/Region/Terrain.BasicTerrain/TerrainEngine.cs   |  4 ++--
 2 files changed, 17 insertions(+), 2 deletions(-)

(limited to 'OpenSim/Region')

diff --git a/OpenSim/Region/Communications/OGS1/OGS1GridServices.cs b/OpenSim/Region/Communications/OGS1/OGS1GridServices.cs
index 3708fff..6b2407a 100644
--- a/OpenSim/Region/Communications/OGS1/OGS1GridServices.cs
+++ b/OpenSim/Region/Communications/OGS1/OGS1GridServices.cs
@@ -223,6 +223,21 @@ namespace OpenSim.Region.Communications.OGS1
         /// <returns></returns>
         public List<MapBlockData> RequestNeighbourMapBlocks(int minX, int minY, int maxX, int maxY)
         {
+            int temp = 0;
+
+            if (minX > maxX)
+            {
+                temp = minX;
+                minX = maxX;
+                maxX = temp;
+            }
+            if (minY > maxY)
+            {
+                temp = minY;
+                minY = maxY;
+                maxY = temp;
+            }
+
             Hashtable respData = MapBlockQuery(minX, minY, maxX, maxY);
 
             List<MapBlockData> neighbours = new List<MapBlockData>();
diff --git a/OpenSim/Region/Terrain.BasicTerrain/TerrainEngine.cs b/OpenSim/Region/Terrain.BasicTerrain/TerrainEngine.cs
index bbbb4d7..4ff22fb 100644
--- a/OpenSim/Region/Terrain.BasicTerrain/TerrainEngine.cs
+++ b/OpenSim/Region/Terrain.BasicTerrain/TerrainEngine.cs
@@ -1261,13 +1261,13 @@ namespace OpenSim.Region.Terrain
             }
 
             Channel copy = heightmap.Copy();
-            for (int y = 0; y < copy.h; y++)
+            for (int y = 0; y <copy.h; y++)
             {
                 for (int x = 0; x < copy.w; x++)
                 {
                     // 512 is the largest possible height before colours clamp
                     int colorindex = (int) (Math.Max(Math.Min(1.0, copy.Get(x, y)/512.0), 0.0)*(pallete - 1));
-                    bmp.SetPixel(x, y, colours[colorindex]);
+                    bmp.SetPixel(x, copy.h-y-1, colours[colorindex]);
                 }
             }
             return bmp;
-- 
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