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- Added helper method to compute global coordinates from a fake parcelID 

- Some formatting cleanups
0.6.0-stable
Homer Horwitz 2008-10-12 18:07:39 +00:00
parent d1dec0cbbd
commit b8a50c40b1
1 changed files with 20 additions and 4 deletions
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24
OpenSim/Framework/Util.cs
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@ -739,15 +739,18 @@ namespace OpenSim.Framework
/// <returns> /// <returns>
/// The extracted ulong /// The extracted ulong
/// </returns> /// </returns>
public static ulong BytesToUInt64Big(byte[] bytes) { public static ulong BytesToUInt64Big(byte[] bytes)
{
if (bytes.Length < 8) return 0; if (bytes.Length < 8) return 0;
return ((ulong)bytes[0] << 56) | ((ulong)bytes[1] << 48) | ((ulong)bytes[2] << 40) | ((ulong)bytes[3] << 32) | return ((ulong)bytes[0] << 56) | ((ulong)bytes[1] << 48) | ((ulong)bytes[2] << 40) | ((ulong)bytes[3] << 32) |
((ulong)bytes[4] << 24) | ((ulong)bytes[5] << 16) | ((ulong)bytes[6] << 8) | (ulong)bytes[7]; ((ulong)bytes[4] << 24) | ((ulong)bytes[5] << 16) | ((ulong)bytes[6] << 8) | (ulong)bytes[7];
} }
// used for RemoteParcelRequest (for "About Landmark") // used for RemoteParcelRequest (for "About Landmark")
public static UUID BuildFakeParcelID(ulong regionHandle, uint x, uint y) { public static UUID BuildFakeParcelID(ulong regionHandle, uint x, uint y)
byte[] bytes = { {
byte[] bytes =
{
(byte)regionHandle, (byte)(regionHandle >> 8), (byte)(regionHandle >> 16), (byte)(regionHandle >> 24), (byte)regionHandle, (byte)(regionHandle >> 8), (byte)(regionHandle >> 16), (byte)(regionHandle >> 24),
(byte)(regionHandle >> 32), (byte)(regionHandle >> 40), (byte)(regionHandle >> 48), (byte)(regionHandle << 56), (byte)(regionHandle >> 32), (byte)(regionHandle >> 40), (byte)(regionHandle >> 48), (byte)(regionHandle << 56),
(byte)x, (byte)(x >> 8), (byte)(x >> 16), (byte)(x >> 24), (byte)x, (byte)(x >> 8), (byte)(x >> 16), (byte)(x >> 24),
@ -755,11 +758,24 @@ namespace OpenSim.Framework
return new UUID(bytes, 0); return new UUID(bytes, 0);
} }
public static void ParseFakeParcelID(UUID parcelID, out ulong regionHandle, out uint x, out uint y) { public static void ParseFakeParcelID(UUID parcelID, out ulong regionHandle, out uint x, out uint y)
{
byte[] bytes = parcelID.GetBytes(); byte[] bytes = parcelID.GetBytes();
regionHandle = Helpers.BytesToUInt64(bytes); regionHandle = Helpers.BytesToUInt64(bytes);
x = Helpers.BytesToUInt(bytes, 8); x = Helpers.BytesToUInt(bytes, 8);
y = Helpers.BytesToUInt(bytes, 12); y = Helpers.BytesToUInt(bytes, 12);
} }
public static void FakeParcelIDToGlobalPosition(UUID parcelID, out uint x, out uint y)
{
ulong regionHandle;
uint rx, ry;
ParseFakeParcelID(parcelID, out regionHandle, out x, out y);
Helpers.LongToUInts(regionHandle, out rx, out ry);
x += rx;
y += ry;
}
} }
} }