1 files changed, 30 insertions, 1 deletions

diff --git a/OpenSim/OpenSim.Terrain.BasicTerrain/TerrainEngine.cs b/OpenSim/OpenSim.Terrain.BasicTerrain/TerrainEngine.cs
index c78af05..9cd8099 100644
--- a/OpenSim/OpenSim.Terrain.BasicTerrain/TerrainEngine.cs
+++ b/OpenSim/OpenSim.Terrain.BasicTerrain/TerrainEngine.cs
@@ -150,6 +150,24 @@ namespace OpenSim.Terrain
         }

 

         /// <summary>

+        /// Swaps the two heightmap buffers (the 'revert map' and the heightmap)

+        /// </summary>

+        public void swapRevertMaps()

+        {

+            Channel backup = heightmap.copy();

+            heightmap = revertmap;

+            revertmap = backup;

+        }

+

+        /// <summary>

+        /// Saves the current heightmap into the revertmap

+        /// </summary>

+        public void saveRevertMap()

+        {

+            revertmap = heightmap.copy();

+        }

+

+        /// <summary>

         /// Processes a terrain-specific command

         /// </summary>

         /// <param name="args">Commandline arguments (space seperated)</param>

@@ -175,8 +193,19 @@ namespace OpenSim.Terrain
                         resultText += "terrain erode aerobic <windspeed> <pickupmin> <dropmin> <carry> <rounds> <lowest>\n";

                         resultText += "terrain erode thermal <talus> <rounds> <carry>\n";

                         resultText += "terrain multiply <val> - multiplies a terrain by <val>\n";

+                        resultText += "terrain revert - reverts the terrain to the stored original";

+                        resultText += "terrain bake - saves the current terrain into the revert map";

                         return false;

 

+                    case "revert":

+                        swapRevertMaps();

+                        saveRevertMap();

+                        break;

+

+                    case "bake":

+                        saveRevertMap();

+                        break;

+

                     case "seed":

                         setSeed(Convert.ToInt32(args[1]));

                         break;

@@ -222,7 +251,7 @@ namespace OpenSim.Terrain
                                 break;

 

                             case "img":

-                                resultText = "Error - IMG mode is presently unsupported.";

+                                heightmap.loadImage(args[2]);

                                 return false;

 

                             default: