From 4301d0f0755c294d5f226629727d33c0ea30eea8 Mon Sep 17 00:00:00 2001
From: Adam Frisby
Date: Wed, 20 Jun 2007 21:24:00 +0000
Subject: * Added support for "revert" and "bake" commands on terrain console *
 Implemented "IMG" load method for "terrain load" - supports PNG, BMP, TIFF,
 TGA and probably a handful of other formats.

---
 .../OpenSim.Terrain.BasicTerrain/TerrainEngine.cs  | 31 +++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

(limited to 'OpenSim/OpenSim.Terrain.BasicTerrain/TerrainEngine.cs')

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:
-- 
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