From 7fa6646d6f75585d6ad3bd2a7c1c0e873e2fc2a6 Mon Sep 17 00:00:00 2001
From: Tedd Hansen
Date: Wed, 16 Jan 2008 21:21:31 +0000
Subject: Added (experimental) terrain elevate command to allow whole terrain
 to be elevated with positive or negative values

---
 OpenSim/Region/Terrain.BasicTerrain/TerrainEngine.cs   | 15 +++++++++++++++
 .../Terrain.BasicTerrain/libTerrainBSD/Channel/Grid.cs | 18 ++++++++++++++++++
 2 files changed, 33 insertions(+)

(limited to 'OpenSim/Region')

diff --git a/OpenSim/Region/Terrain.BasicTerrain/TerrainEngine.cs b/OpenSim/Region/Terrain.BasicTerrain/TerrainEngine.cs
index 2405e86..fdbbb5e 100644
--- a/OpenSim/Region/Terrain.BasicTerrain/TerrainEngine.cs
+++ b/OpenSim/Region/Terrain.BasicTerrain/TerrainEngine.cs
@@ -477,6 +477,7 @@ namespace OpenSim.Region.Terrain
                         resultText += "terrain erode thermal <talus> <rounds> <carry>\n";
                         resultText += "terrain erode hydraulic <rain> <evaporation> <solubility> <frequency> <rounds>\n";
                         resultText += "terrain multiply <val> - multiplies a terrain by <val>\n";
+                        resultText += "terrain elevate <val> - elevates a terrain by <val>\n";
                         resultText += "terrain revert - reverts the terrain to the stored original\n";
                         resultText += "terrain bake - saves the current terrain into the revert map\n";
                         resultText +=
@@ -524,6 +525,10 @@ namespace OpenSim.Region.Terrain
                         SetRange(Convert.ToSingle(args[1]), Convert.ToSingle(args[2]));
                         break;
 
+                    case "elevate":
+                        Elevate(Convert.ToSingle(args[1]));
+                        break;
+
                     case "fill":
                         heightmap.Fill(Convert.ToDouble(args[1]));
                         tainted++;
@@ -766,6 +771,16 @@ namespace OpenSim.Region.Terrain
         }
 
         /// <summary>
+        /// Adds meters (positive or negative) to terrain height
+        /// </summary>
+        /// <param name="meters">Positive or negative value to add to new array</param>
+        public void Elevate(float meters)
+        {
+            heightmap.Elevate((double)meters);
+            tainted++;
+        }
+
+        /// <summary>
         /// Loads a file consisting of 256x256 doubles and imports it as an array into the map.
         /// </summary>
         /// <remarks>TODO: Move this to libTerrain itself</remarks>
diff --git a/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Grid.cs b/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Grid.cs
index 4ff8e78..1a86572 100644
--- a/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Grid.cs
+++ b/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Grid.cs
@@ -96,6 +96,24 @@ namespace libTerrain
             return this;
         }
 
+        public Channel Elevate(double meters)
+        {
+            SetDiff();
+
+            int x, y;
+
+            for (x = 0; x < w; x++)
+            {
+                for (y = 0; y < h; y++)
+                {
+                        map[x, y] += meters;
+                }
+            }
+
+            return this;
+        }
+
+
         public Channel Clip()
         {
             int x, y;
-- 
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