From d8997b59d30b63218f594d840d924a10287ce509 Mon Sep 17 00:00:00 2001
From: Adam Frisby
Date: Tue, 24 Jul 2007 05:22:33 +0000
Subject: * Terrain should now send just updated patches.

---
 .../libTerrainBSD/Channel/Operators.cs             | 25 ++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Operators.cs')

diff --git a/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Operators.cs b/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Operators.cs
index 623c85c..3199ddc 100644
--- a/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Operators.cs
+++ b/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Operators.cs
@@ -49,6 +49,9 @@ namespace libTerrain
             {
                 for (y = 0; y < A.h; y++)
                 {
+                    if (B.map[x, y] != 0)
+                        A.SetDiff(x, y);
+
                     A.map[x, y] += B.map[x, y];
                 }
             }
@@ -73,6 +76,8 @@ namespace libTerrain
                 }
             }
 
+            A.SetDiff();
+
             return A;
         }
 
@@ -89,6 +94,8 @@ namespace libTerrain
             {
                 for (y = 0; y < A.h; y++)
                 {
+                    if (B.map[x, y] != 0)
+                        A.SetDiff(x, y);
                     A.map[x, y] -= B.map[x, y];
                 }
             }
@@ -113,6 +120,8 @@ namespace libTerrain
                 }
             }
 
+            A.SetDiff();
+
             return A;
         }
 
@@ -133,6 +142,8 @@ namespace libTerrain
                 }
             }
 
+            A.SetDiff();
+
             return A;
         }
 
@@ -151,6 +162,9 @@ namespace libTerrain
                 }
             }
 
+            if (B != 0)
+                A.SetDiff();
+
             return A;
         }
 
@@ -166,6 +180,9 @@ namespace libTerrain
                 }
             }
 
+            if (B != 0)
+                A.SetDiff();
+
             return A;
         }
 
@@ -181,6 +198,9 @@ namespace libTerrain
                 }
             }
 
+            if (B != 1)
+                A.SetDiff();
+
             return A;
         }
 
@@ -196,6 +216,9 @@ namespace libTerrain
                 }
             }
 
+            if (B != 1)
+                A.SetDiff();
+
             return A;
         }
 
@@ -211,6 +234,8 @@ namespace libTerrain
                 }
             }
 
+            A.SetDiff();
+
             return A;
         }
 
-- 
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