From 4a9e40ea472f2e3ae45945392093ef54a8e026bd Mon Sep 17 00:00:00 2001
From: Adam Frisby <adam@gwala.net>
Date: Thu, 16 Aug 2007 23:29:28 +0000
Subject: [PATCH] * Added support for the IMG-format loader to terrain's
 load-tile function.

---
 .../Terrain.BasicTerrain/TerrainEngine.cs     | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/OpenSim/Region/Terrain.BasicTerrain/TerrainEngine.cs b/OpenSim/Region/Terrain.BasicTerrain/TerrainEngine.cs
index 4b9c5d60d7..4976e5d3fa 100644
--- a/OpenSim/Region/Terrain.BasicTerrain/TerrainEngine.cs
+++ b/OpenSim/Region/Terrain.BasicTerrain/TerrainEngine.cs
@@ -400,6 +400,10 @@ namespace OpenSim.Region.Terrain
                                 LoadFromFileF32(args[2], Convert.ToInt32(args[3]), Convert.ToInt32(args[4]),
                                     Convert.ToInt32(args[5]), Convert.ToInt32(args[6]));
                                 break;
+                            case "img":
+                                LoadFromFileIMG(args[2], Convert.ToInt32(args[3]), Convert.ToInt32(args[4]),
+                                    Convert.ToInt32(args[5]), Convert.ToInt32(args[6]));
+                                break;
                             default:
                                 resultText = "Unknown or unsupported image or data format";
                                 return false;
@@ -657,6 +661,43 @@ namespace OpenSim.Region.Terrain
             tainted++;
         }
 
+        /// <summary>
+        /// Loads a larger tiled image across a terrain
+        /// </summary>
+        /// <param name="filename">Filename to load from (any generic image format should work)</param>
+        /// <param name="dimensionX">The dimensions of the image</param>
+        /// <param name="dimensionY">The dimensions of the image</param>
+        /// <param name="lowerboundX">Where sim coords begin for this patch</param>
+        /// <param name="lowerboundY">Where sim coords begin for this patch</param>
+        public void LoadFromFileIMG(string filename, int dimensionX, int dimensionY, int lowerboundX, int lowerboundY)
+        {
+            int sectionToLoadX = ((this.offsetX - lowerboundX) * this.w);
+            int sectionToLoadY = ((this.offsetY - lowerboundY) * this.h);
+
+            double[,] tempMap = new double[dimensionX, dimensionY];
+
+            System.Drawing.Bitmap lgrBmp = new Bitmap(filename);
+
+            int x, y;
+            for (x = 0; x < dimensionX; x++)
+            {
+                for (y = 0; y < dimensionY; y++)
+                {
+                    tempMap[x, y] = (float)lgrBmp.GetPixel(x, y).GetBrightness();
+                }
+            }
+
+            for (y = 0; y < h; y++)
+            {
+                for (x = 0; x < w; x++)
+                {
+                    heightmap.Set(x, y, tempMap[x + sectionToLoadX, y + sectionToLoadY]);
+                }
+            }
+
+            tainted++;
+        }
+
         /// <summary>
         /// Loads a file formatted in the SL .RAW Format used on the main grid
         /// </summary>