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add a few more parameters to llGetObjectDetails(); add intger log2(uint)

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UbitUmarov
2022-08-23 17:26:09 +01:00
parent 1456f43bc3
commit d545506efc
6 changed files with 110 additions and 11 deletions
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34
OpenSim/Framework/Util.cs
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@@ -213,6 +213,40 @@ namespace OpenSim.Framework
return Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
}
// next should be replaced using .net5 system numerics bitoperations log2
// this is just log2 + 1
private static byte[] nBitsLookup =
{
01, 10, 02, 11, 14, 22, 03, 30, 12, 15, 17, 19, 23, 26, 04, 31,
09, 13, 21, 29, 16, 18, 25, 08, 20, 28, 24, 07, 27, 06, 05, 32
};
public static int NumberBits(uint n)
{
n |= (n >> 1);
n |= (n >> 2);
n |= (n >> 4);
n |= (n >> 8);
n |= (n >> 16);
return nBitsLookup[(n * 0x07C4ACDDu) >> 27];
}
private static byte[] intLog2Lookup =
{
00, 09, 01, 10, 13, 21, 02, 29, 11, 14, 16, 18, 22, 25, 03, 30,
08, 12, 20, 28, 15, 17, 24, 07, 19, 27, 23, 06, 26, 05, 04, 31
};
public static int intLog2(uint n)
{
n |= (n >> 1);
n |= (n >> 2);
n |= (n >> 4);
n |= (n >> 8);
n |= (n >> 16);
return intLog2Lookup[(n * 0x07C4ACDDu) >> 27];
}
/// <summary>
/// Linear interpolates B<->C using percent A
/// </summary>