1 files changed, 89 insertions, 0 deletions
diff --git a/OpenSim/Region/Environment/Modules/Terrain/FileLoaders/Terragen.cs b/OpenSim/Region/Environment/Modules/Terrain/FileLoaders/Terragen.cs
new file mode 100644
index 0000000..2443173
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/Terrain/FileLoaders/Terragen.cs
@@ -0,0 +1,89 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.IO;
+using OpenSim.Region.Environment.Modules.Terrain;
+using OpenSim.Region.Environment.Interfaces;
+namespace OpenSim.Region.Environment.Modules.Terrain.FileLoaders
+{
+    /// <summary>
+    /// Terragen File Format Loader
+    /// Built from specification at
+    /// http://www.planetside.co.uk/terragen/dev/tgterrain.html
+    /// </summary>
+    class Terragen : ITerrainLoader
+    {
+        private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
+        #region ITerrainLoader Members
+        public ITerrainChannel LoadFile(string filename)
+        {
+            TerrainChannel retval = new TerrainChannel();
+            FileInfo file = new FileInfo(filename);
+            FileStream s = file.Open(FileMode.Open, FileAccess.Read);
+            BinaryReader bs = new BinaryReader(s);
+            bool eof = false;
+            if (ASCIIEncoding.ASCII.GetString(bs.ReadBytes(16)) == "TERRAGENTERRAIN")
+            {
+                // Terragen file
+                while (eof == false)
+                {
+                    int w = 256;
+                    int h = 256;
+                    string tmp = ASCIIEncoding.ASCII.GetString(bs.ReadBytes(4));
+                    switch (tmp)
+                    {
+                        case "SIZE":
+                            int sztmp = bs.ReadInt16() + 1;
+                            w = sztmp;
+                            h = sztmp;
+                            bs.ReadInt16();
+                            break;
+                        case "XPTS":
+                            w = bs.ReadInt16();
+                            bs.ReadInt16();
+                            break;
+                        case "YPTS":
+                            h = bs.ReadInt16();
+                            bs.ReadInt16();
+                            break;
+                        case "ALTW":
+                            eof = true;
+                            Int16 heightScale = bs.ReadInt16();
+                            Int16 baseHeight = bs.ReadInt16();
+                            retval = new TerrainChannel(w, h);
+                            int x, y;
+                            for (x = 0; x < w; x++)
+                            {
+                                for (y = 0; y < h; y++)
+                                {
+                                    retval[x, y] = (double)baseHeight + (double)bs.ReadInt16() * (double)heightScale / 65536.0;
+                                }
+                            }
+                            break;
+                        default:
+                            bs.ReadInt32();
+                            break;
+                    }
+                }
+            }
+            bs.Close();
+            s.Close();
+            return retval;
+        }
+        public void SaveFile(string filename)
+        {
+            throw new NotImplementedException();
+        }
+        #endregion
+    }
+}

diff --git a/OpenSim/Region/Environment/Modules/Terrain/FileLoaders/Terragen.cs b/OpenSim/Region/Environment/Modules/Terrain/FileLoaders/Terragen.cs new file mode 100644 index 0000000..2443173 --- /dev/null +++ b/OpenSim/Region/Environment/Modules/Terrain/FileLoaders/Terragen.cs
@@ -0,0 +1,89 @@
	1	using System;
	2	using System.Collections.Generic;
	3	using System.Text;
	4	using System.IO;
	5	using OpenSim.Region.Environment.Modules.Terrain;
	6	using OpenSim.Region.Environment.Interfaces;
	7
	8	namespace OpenSim.Region.Environment.Modules.Terrain.FileLoaders
	9	{
	10	/// <summary>
	11	/// Terragen File Format Loader
	12	/// Built from specification at
	13	/// http://www.planetside.co.uk/terragen/dev/tgterrain.html
	14	/// </summary>
	15	class Terragen : ITerrainLoader
	16	{
	17	private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
	18
	19	#region ITerrainLoader Members
	20
	21	public ITerrainChannel LoadFile(string filename)
	22	{
	23	TerrainChannel retval = new TerrainChannel();
	24
	25	FileInfo file = new FileInfo(filename);
	26	FileStream s = file.Open(FileMode.Open, FileAccess.Read);
	27	BinaryReader bs = new BinaryReader(s);
	28
	29	bool eof = false;
	30
	31	if (ASCIIEncoding.ASCII.GetString(bs.ReadBytes(16)) == "TERRAGENTERRAIN")
	32	{
	33	// Terragen file
	34	while (eof == false)
	35	{
	36	int w = 256;
	37	int h = 256;
	38	string tmp = ASCIIEncoding.ASCII.GetString(bs.ReadBytes(4));
	39	switch (tmp)
	40	{
	41	case "SIZE":
	42	int sztmp = bs.ReadInt16() + 1;
	43	w = sztmp;
	44	h = sztmp;
	45	bs.ReadInt16();
	46	break;
	47	case "XPTS":
	48	w = bs.ReadInt16();
	49	bs.ReadInt16();
	50	break;
	51	case "YPTS":
	52	h = bs.ReadInt16();
	53	bs.ReadInt16();
	54	break;
	55	case "ALTW":
	56	eof = true;
	57	Int16 heightScale = bs.ReadInt16();
	58	Int16 baseHeight = bs.ReadInt16();
	59	retval = new TerrainChannel(w, h);
	60	int x, y;
	61	for (x = 0; x < w; x++)
	62	{
	63	for (y = 0; y < h; y++)
	64	{
	65	retval[x, y] = (double)baseHeight + (double)bs.ReadInt16() * (double)heightScale / 65536.0;
	66	}
	67	}
	68	break;
	69	default:
	70	bs.ReadInt32();
	71	break;
	72	}
	73	}
	74	}
	75
	76	bs.Close();
	77	s.Close();
	78
	79	return retval;
	80	}
	81
	82	public void SaveFile(string filename)
	83	{
	84	throw new NotImplementedException();
	85	}
	86
	87	#endregion
	88	}
	89	}