From 87b07c19ef3612c9f330770ea3e0eb066f062284 Mon Sep 17 00:00:00 2001
From: MW <Michaelwri22@yahoo.co.uk>
Date: Sun, 18 Nov 2007 12:04:21 +0000
Subject: [PATCH] Added "export-map <filename>" console command to the region
 server that will export a jpg image of the world map covering a 20 X 20
 regions area centred on the current active region (ie the one set with
 change-region). While this should work in grid mode (if using the grid asset
 server and if my last commit did fix the world map), you might need to call
 the "export-map" command then wait a little while (60 seconds?) and then call
 it again so that you make sure the region has got all the texture assets from
 the asset server.

---
 OpenSim/Region/Application/OpenSimMain.cs  | 14 ++++++++
 OpenSim/Region/Environment/Scenes/Scene.cs | 42 ++++++++++++++++++++++
 2 files changed, 56 insertions(+)

diff --git a/OpenSim/Region/Application/OpenSimMain.cs b/OpenSim/Region/Application/OpenSimMain.cs
index ce2b856322..eb09de3809 100644
--- a/OpenSim/Region/Application/OpenSimMain.cs
+++ b/OpenSim/Region/Application/OpenSimMain.cs
@@ -688,6 +688,20 @@ namespace OpenSim
 
                     break;
 
+                case "export-map":
+                    if (m_sceneManager.CurrentScene != null)
+                    {
+                        if (cmdparams.Length > 0)
+                        {
+                            m_sceneManager.CurrentScene.ExportWorldMap(cmdparams[0]);
+                        }
+                        else
+                        {
+                            m_sceneManager.CurrentScene.ExportWorldMap("exportmap.jpg");
+                        }
+                    }
+                    break;
+
                 default:
                     m_log.Error("Unknown command");
                     break;
diff --git a/OpenSim/Region/Environment/Scenes/Scene.cs b/OpenSim/Region/Environment/Scenes/Scene.cs
index 1400e609e5..bc4fa3c8d4 100644
--- a/OpenSim/Region/Environment/Scenes/Scene.cs
+++ b/OpenSim/Region/Environment/Scenes/Scene.cs
@@ -470,6 +470,48 @@ namespace OpenSim.Region.Environment.Scenes
 
         #region Load Terrain
 
+        public void ExportWorldMap(string fileName)
+        {
+            List<MapBlockData> mapBlocks = this.CommsManager.GridService.RequestNeighbourMapBlocks((int)(this.RegionInfo.RegionLocX - 9), (int)(this.RegionInfo.RegionLocY - 9), (int)(this.RegionInfo.RegionLocX + 9), (int)(this.RegionInfo.RegionLocY + 9));
+            List<AssetBase> textures = new List<AssetBase>();
+            List<System.Drawing.Image> bitImages = new List<System.Drawing.Image>();
+
+            foreach (MapBlockData mapBlock in mapBlocks)
+            {
+                AssetBase texAsset = this.AssetCache.GetAsset(mapBlock.MapImageId, true);
+
+                if (texAsset != null)
+                {
+                    textures.Add(texAsset);
+                }
+                else
+                {
+                    texAsset = this.AssetCache.GetAsset(mapBlock.MapImageId, true);
+                    if (texAsset != null)
+                    {
+                        textures.Add(texAsset);
+                    }
+                }
+            }
+
+            foreach(AssetBase asset in textures)
+            {
+               System.Drawing.Image image= OpenJPEGNet.OpenJPEG.DecodeToImage(asset.Data);
+               bitImages.Add(image);
+            }
+
+            System.Drawing.Bitmap mapTexture = new System.Drawing.Bitmap(2560, 2560);
+            System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(mapTexture);
+
+            for(int i =0; i<mapBlocks.Count; i++)
+            {
+                ushort x = (ushort) ((mapBlocks[i].X - this.RegionInfo.RegionLocX) + 10);
+                ushort y = (ushort) ((mapBlocks[i].Y - this.RegionInfo.RegionLocY) + 10);
+                g.DrawImage(bitImages[i], (x*128), (y*128), 128, 128);
+            }
+            mapTexture.Save(fileName, System.Drawing.Imaging.ImageFormat.Jpeg);
+        }
+
         /// <summary>
         /// Loads the World heightmap
         /// </summary>