1 files changed, 170 insertions, 0 deletions

diff --git a/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/RAW32.cs b/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/RAW32.cs
new file mode 100644
index 0000000..178104f
--- /dev/null
+++ b/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/RAW32.cs
@@ -0,0 +1,170 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSim Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System.IO;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes;
+
+namespace OpenSim.Region.CoreModules.World.Terrain.FileLoaders
+{
+    public class RAW32 : ITerrainLoader
+    {
+        #region ITerrainLoader Members
+
+        public string FileExtension
+        {
+            get { return ".r32"; }
+        }
+
+        public ITerrainChannel LoadFile(string filename)
+        {
+            FileInfo file = new FileInfo(filename);
+            FileStream s = file.Open(FileMode.Open, FileAccess.Read);
+            ITerrainChannel retval = LoadStream(s);
+
+            s.Close();
+
+            return retval;
+        }
+
+        public ITerrainChannel LoadFile(string filename, int offsetX, int offsetY, int fileWidth, int fileHeight, int sectionWidth, int sectionHeight)
+        {
+            TerrainChannel retval = new TerrainChannel(sectionWidth, sectionHeight);
+
+            FileInfo file = new FileInfo(filename);
+            FileStream s = file.Open(FileMode.Open, FileAccess.Read);
+            BinaryReader bs = new BinaryReader(s);
+
+            int currFileYOffset = 0;
+
+            // if our region isn't on the first Y section of the areas to be landscaped, then
+            // advance to our section of the file
+            while (currFileYOffset < offsetY)
+            {
+                // read a whole strip of regions
+                int heightsToRead = sectionHeight * (fileWidth * sectionWidth);
+                bs.ReadBytes(heightsToRead * 4); // because the floats are 4 bytes in the file
+                currFileYOffset++;
+            }
+
+            // got to the Y start offset within the file of our region
+            // so read the file bits associated with our region
+            int y;
+            // for each Y within our Y offset
+            for (y = 0; y < sectionHeight; y++)
+            {
+                int currFileXOffset = 0;
+
+                // if our region isn't the first X section of the areas to be landscaped, then
+                // advance the stream to the X start pos of our section in the file
+                // i.e. eat X upto where we start
+                while (currFileXOffset < offsetX)
+                {
+                    bs.ReadBytes(sectionWidth * 4); // 4 bytes = single
+                    currFileXOffset++;
+                }
+
+                // got to our X offset, so write our regions X line
+                int x;
+                for (x = 0; x < sectionWidth; x++)
+                {
+                    // Read a strip and continue
+                    retval[x, y] = bs.ReadSingle();
+                }
+                // record that we wrote it
+                currFileXOffset++;
+
+                // if our region isn't the last X section of the areas to be landscaped, then
+                // advance the stream to the end of this Y column
+                while (currFileXOffset < fileWidth)
+                {
+                    // eat the next regions x line
+                    bs.ReadBytes(sectionWidth * 4); // 4 bytes = single
+                    currFileXOffset++;
+                }
+            }
+
+            bs.Close();
+            s.Close();
+
+            return retval;
+        }
+
+        public ITerrainChannel LoadStream(Stream s)
+        {
+            TerrainChannel retval = new TerrainChannel();
+
+            BinaryReader bs = new BinaryReader(s);
+            int y;
+            for (y = 0; y < retval.Height; y++)
+            {
+                int x;
+                for (x = 0; x < retval.Width; x++)
+                {
+                    retval[x, y] = bs.ReadSingle();
+                }
+            }
+
+            bs.Close();
+
+            return retval;
+        }
+
+        public void SaveFile(string filename, ITerrainChannel map)
+        {
+            FileInfo file = new FileInfo(filename);
+            FileStream s = file.Open(FileMode.Create, FileAccess.Write);
+            SaveStream(s, map);
+
+            s.Close();
+        }
+
+        public void SaveStream(Stream s, ITerrainChannel map)
+        {
+            BinaryWriter bs = new BinaryWriter(s);
+
+            int y;
+            for (y = 0; y < map.Height; y++)
+            {
+                int x;
+                for (x = 0; x < map.Width; x++)
+                {
+                    bs.Write((float) map[x, y]);
+                }
+            }
+
+            bs.Close();
+        }
+
+        #endregion
+
+        public override string ToString()
+        {
+            return "RAW32";
+        }
+    }
+}