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varregion: move the compressed heighmap compression factor from

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Constants into TerrainData.
Save compression factor with the terrain blob in the database.
This commit is contained in:
Robert Adams
2013-10-16 07:52:30 -07:00
parent 86bf79aa2b
commit 97bc5263de
5 changed files with 42 additions and 37 deletions
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24
OpenSim/Region/Framework/Scenes/TerrainChannel.cs
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@@ -183,21 +183,6 @@ namespace OpenSim.Region.Framework.Scenes
#endregion
/*
// To save space (especially for large regions), keep the height as a short integer
// that is coded as the float height times the compression factor (usually '100'
// to make for two decimal points).
public static short ToCompressedHeight(double pHeight)
{
return (short)(pHeight * Constants.TerrainCompression);
}
public static float FromCompressedHeight(short pHeight)
{
return ((float)pHeight) / Constants.TerrainCompression;
}
*/
public TerrainChannel Copy()
{
TerrainChannel copy = new TerrainChannel();
@@ -280,13 +265,15 @@ namespace OpenSim.Region.Framework.Scenes
public int SizeX;
public int SizeY;
public int SizeZ;
public float CompressionFactor;
public short[] Map;
public TerrainChannelXMLPackage(int pX, int pY, int pZ, short[] pMap)
public TerrainChannelXMLPackage(int pX, int pY, int pZ, float pCompressionFactor, short[] pMap)
{
Version = 1;
SizeX = pX;
SizeY = pY;
SizeZ = pZ;
CompressionFactor = pCompressionFactor;
Map = pMap;
}
}
@@ -294,7 +281,8 @@ namespace OpenSim.Region.Framework.Scenes
// New terrain serialization format that includes the width and length.
private void ToXml2(XmlWriter xmlWriter)
{
TerrainChannelXMLPackage package = new TerrainChannelXMLPackage(Width, Height, Altitude, m_terrainData.GetCompressedMap());
TerrainChannelXMLPackage package = new TerrainChannelXMLPackage(Width, Height, Altitude, m_terrainData.CompressionFactor,
m_terrainData.GetCompressedMap());
XmlSerializer serializer = new XmlSerializer(typeof(TerrainChannelXMLPackage));
serializer.Serialize(xmlWriter, package);
}
@@ -304,7 +292,7 @@ namespace OpenSim.Region.Framework.Scenes
{
XmlSerializer serializer = new XmlSerializer(typeof(TerrainChannelXMLPackage));
TerrainChannelXMLPackage package = (TerrainChannelXMLPackage)serializer.Deserialize(xmlReader);
m_terrainData = new HeightmapTerrainData(package.Map, package.SizeX, package.SizeY, package.SizeZ);
m_terrainData = new HeightmapTerrainData(package.Map, package.CompressionFactor, package.SizeX, package.SizeY, package.SizeZ);
}
// Fill the heightmap with the center bump terrain