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* Allow terrains to be loaded and saved from streams as well as directly to and from files

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* Should be making use of this in the next revisions
This commit is contained in:
Justin Clarke Casey
2008-06-29 19:21:43 +00:00
parent 31c63558c8
commit 7d5a21ddbf
12 changed files with 268 additions and 48 deletions
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61
OpenSim/Region/Environment/Modules/World/Terrain/TerrainModule.cs
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@@ -221,6 +221,67 @@ namespace OpenSim.Region.Environment.Modules.World.Terrain
throw new TerrainException(String.Format("Unable to save heightmap: saving of this file format not implemented"));
}
}
/// <summary>
/// Loads a terrain file from a stream and installs it in the scene.
/// </summary>
/// <param name="filename">Filename to terrain file. Type is determined by extension.</param>
/// <param name="stream"></param>
public void LoadFromStream(string filename, Stream stream)
{
foreach (KeyValuePair<string, ITerrainLoader> loader in m_loaders)
{
if (filename.EndsWith(loader.Key))
{
lock (m_scene)
{
try
{
ITerrainChannel channel = loader.Value.LoadStream(stream);
m_scene.Heightmap = channel;
m_channel = channel;
UpdateRevertMap();
}
catch (NotImplementedException)
{
m_log.Error("[TERRAIN]: Unable to load heightmap, the " + loader.Value +
" parser does not support file loading. (May be save only)");
throw new TerrainException(String.Format("unable to load heightmap: parser {0} does not support loading", loader.Value));
}
}
CheckForTerrainUpdates();
m_log.Info("[TERRAIN]: File (" + filename + ") loaded successfully");
return;
}
}
m_log.Error("[TERRAIN]: Unable to load heightmap, no file loader availible for that format.");
throw new TerrainException(String.Format("unable to load heightmap from file {0}: no loader available for that format", filename));
}
/// <summary>
/// Saves the current heightmap to a specified stream.
/// </summary>
/// <param name="filename">The destination filename. Used here only to identify the image type</param>
/// <param name="stream"></param>
public void SaveToStream(string filename, Stream stream)
{
try
{
foreach (KeyValuePair<string, ITerrainLoader> loader in m_loaders)
{
if (filename.EndsWith(loader.Key))
{
loader.Value.SaveStream(stream, m_channel);
return;
}
}
}
catch (NotImplementedException)
{
m_log.Error("Unable to save to " + filename + ", saving of this file format has not been implemented.");
throw new TerrainException(String.Format("Unable to save heightmap: saving of this file format not implemented"));
}
}
#region Plugin Loading Methods