From 906404a14a9552a784c243ec83dbc2424cdd255b Mon Sep 17 00:00:00 2001
From: Adam Frisby
Date: Wed, 27 Feb 2008 09:35:48 +0000
Subject: * Committing file loaders - forgot yesterday.
---
.../Modules/Terrain/FileLoaders/RAW32.cs | 43 +++++++++++
.../Modules/Terrain/FileLoaders/Terragen.cs | 89 ++++++++++++++++++++++
.../Environment/Modules/Terrain/TerrainModule.cs | 5 +-
3 files changed, 135 insertions(+), 2 deletions(-)
create mode 100644 OpenSim/Region/Environment/Modules/Terrain/FileLoaders/RAW32.cs
create mode 100644 OpenSim/Region/Environment/Modules/Terrain/FileLoaders/Terragen.cs
diff --git a/OpenSim/Region/Environment/Modules/Terrain/FileLoaders/RAW32.cs b/OpenSim/Region/Environment/Modules/Terrain/FileLoaders/RAW32.cs
new file mode 100644
index 0000000..d0f5d07
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/Terrain/FileLoaders/RAW32.cs
@@ -0,0 +1,43 @@
+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
+{
+ public class RAW32 : ITerrainLoader
+ {
+ #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);
+ int x, y;
+ for (y = 0; y < retval.Height; y++)
+ {
+ for (x = 0; x < retval.Width; x++)
+ {
+ retval[x, y] = bs.ReadSingle();
+ }
+ }
+
+ 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 @@
+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/TerrainModule.cs b/OpenSim/Region/Environment/Modules/Terrain/TerrainModule.cs
index d9fc2f4..22b5fd9 100644
--- a/OpenSim/Region/Environment/Modules/Terrain/TerrainModule.cs
+++ b/OpenSim/Region/Environment/Modules/Terrain/TerrainModule.cs
@@ -143,8 +143,9 @@ namespace OpenSim.Region.Environment.Modules.Terrain
m_floodeffects[StandardTerrainEffects.Raise] = new FloodBrushes.RaiseArea();
// Float[256,256] array format (RAW32)
- // m_loaders[".r32"] = new FileLoaders.RAW32();
- // m_loaders[".f32"] = m_loaders[".r32"];
+ m_loaders[".r32"] = new FileLoaders.RAW32();
+ m_loaders[".f32"] = m_loaders[".r32"];
+ m_loaders[".ter"] = new FileLoaders.Terragen();
}
public void LoadFromFile(string filename)
--
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