1 files changed, 120 insertions, 0 deletions
diff --git a/Common/OpenSim.Framework/Types/RegionHandle.cs b/Common/OpenSim.Framework/Types/RegionHandle.cs
new file mode 100644
index 0000000..1271d04
--- /dev/null
+++ b/Common/OpenSim.Framework/Types/RegionHandle.cs
@@ -0,0 +1,120 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Net;
+namespace OpenSim.Framework.Types
+{
+    /// <summary>
+    /// A class for manipulating RegionHandle coordinates
+    /// </summary>
+    class RegionHandle
+    {
+        private UInt64 handle;
+        /// <summary>
+        /// Initialises a new grid-aware RegionHandle
+        /// </summary>
+        /// <param name="ip">IP Address of the Grid Server for this region</param>
+        /// <param name="x">Grid X Coordinate</param>
+        /// <param name="y">Grid Y Coordinate</param>
+        public RegionHandle(string ip, short x, short y)
+        {
+            IPAddress addr = IPAddress.Parse(ip);
+            long baseHandle = addr.Address;
+            // Split the IP address in half
+            short a = (short)((baseHandle << 16) & 0xFFFF);
+            short b = (short)((baseHandle <<  0) & 0xFFFF);
+            // Raise the bounds a little
+            uint nx = (uint)x;
+            uint ny = (uint)y;
+            // Multiply grid coords to get region coords
+            nx *= 256;
+            ny *= 256;
+            // Stuff the IP address in too
+            nx = (uint)a << 16;
+            ny = (uint)b << 16;
+            handle = ((UInt64)nx << 32) | (uint)ny;
+        }
+        /// <summary>
+        /// Initialises a new RegionHandle that is not inter-grid aware
+        /// </summary>
+        /// <param name="x">Grid X Coordinate</param>
+        /// <param name="y">Grid Y Coordinate</param>
+        public RegionHandle(uint x, uint y)
+        {
+            handle = ((x * 256) << 32) | (y * 256);
+        }
+        /// <summary>
+        /// Initialises a new RegionHandle from an existing value
+        /// </summary>
+        /// <param name="Region">A U64 RegionHandle</param>
+        public RegionHandle(UInt64 Region)
+        {
+            handle = Region;
+        }
+        /// <summary>
+        /// Returns the Grid Masked RegionHandle - For use in Teleport packets and other packets where sending the grid IP address may be handy.
+        /// </summary>
+        /// <remarks>Do not use for SimulatorEnable packets. The client will choke.</remarks>
+        /// <returns>Region Handle including IP Address encoding</returns>
+        public UInt64 getTeleportHandle()
+        {
+            return handle;
+        }
+        /// <summary>
+        /// Returns a RegionHandle which may be used for SimulatorEnable packets. Removes the IP address encoding and returns the lower bounds.
+        /// </summary>
+        /// <returns>A U64 RegionHandle for use in SimulatorEnable packets.</returns>
+        public UInt64 getNeighbourHandle()
+        {
+            UInt64 mask = 0x0000FFFF0000FFFF;
+            return handle | mask;
+        }
+        /// <summary>
+        /// Returns the IP Address of the GridServer from a Grid-Encoded RegionHandle
+        /// </summary>
+        /// <returns>Grid Server IP Address</returns>
+        public IPAddress getGridIP()
+        {
+            uint a = (uint)((handle >> 16) & 0xFFFF);
+            uint b = (uint)((handle >> 48) & 0xFFFF);
+            return new IPAddress((long)(a << 16) | (long)b);
+        }
+        /// <summary>
+        /// Returns the X Coordinate from a Grid-Encoded RegionHandle
+        /// </summary>
+        /// <returns>X Coordinate</returns>
+        public uint getGridX()
+        {
+            uint x = (uint)((handle >> 32) & 0xFFFF);
+            return x;
+        }
+        /// <summary>
+        /// Returns the Y Coordinate from a Grid-Encoded RegionHandle
+        /// </summary>
+        /// <returns>Y Coordinate</returns>
+        public uint getGridY()
+        {
+            uint y = (uint)((handle >> 0) & 0xFFFF);
+            return y;
+        }
+    }
+}

diff --git a/Common/OpenSim.Framework/Types/RegionHandle.cs b/Common/OpenSim.Framework/Types/RegionHandle.cs new file mode 100644 index 0000000..1271d04 --- /dev/null +++ b/Common/OpenSim.Framework/Types/RegionHandle.cs
@@ -0,0 +1,120 @@
	1	using System;
	2	using System.Collections.Generic;
	3	using System.Text;
	4	using System.Net;
	5
	6	namespace OpenSim.Framework.Types
	7	{
	8	/// <summary>
	9	/// A class for manipulating RegionHandle coordinates
	10	/// </summary>
	11	class RegionHandle
	12	{
	13	private UInt64 handle;
	14
	15	/// <summary>
	16	/// Initialises a new grid-aware RegionHandle
	17	/// </summary>
	18	/// <param name="ip">IP Address of the Grid Server for this region</param>
	19	/// <param name="x">Grid X Coordinate</param>
	20	/// <param name="y">Grid Y Coordinate</param>
	21	public RegionHandle(string ip, short x, short y)
	22	{
	23	IPAddress addr = IPAddress.Parse(ip);
	24
	25	long baseHandle = addr.Address;
	26
	27	// Split the IP address in half
	28	short a = (short)((baseHandle << 16) & 0xFFFF);
	29	short b = (short)((baseHandle << 0) & 0xFFFF);
	30
	31	// Raise the bounds a little
	32	uint nx = (uint)x;
	33	uint ny = (uint)y;
	34
	35	// Multiply grid coords to get region coords
	36	nx *= 256;
	37	ny *= 256;
	38
	39	// Stuff the IP address in too
	40	nx = (uint)a << 16;
	41	ny = (uint)b << 16;
	42
	43	handle = ((UInt64)nx << 32) \| (uint)ny;
	44	}
	45
	46	/// <summary>
	47	/// Initialises a new RegionHandle that is not inter-grid aware
	48	/// </summary>
	49	/// <param name="x">Grid X Coordinate</param>
	50	/// <param name="y">Grid Y Coordinate</param>
	51	public RegionHandle(uint x, uint y)
	52	{
	53	handle = ((x * 256) << 32) \| (y * 256);
	54	}
	55
	56	/// <summary>
	57	/// Initialises a new RegionHandle from an existing value
	58	/// </summary>
	59	/// <param name="Region">A U64 RegionHandle</param>
	60	public RegionHandle(UInt64 Region)
	61	{
	62	handle = Region;
	63	}
	64
	65	/// <summary>
	66	/// Returns the Grid Masked RegionHandle - For use in Teleport packets and other packets where sending the grid IP address may be handy.
	67	/// </summary>
	68	/// <remarks>Do not use for SimulatorEnable packets. The client will choke.</remarks>
	69	/// <returns>Region Handle including IP Address encoding</returns>
	70	public UInt64 getTeleportHandle()
	71	{
	72	return handle;
	73	}
	74
	75	/// <summary>
	76	/// Returns a RegionHandle which may be used for SimulatorEnable packets. Removes the IP address encoding and returns the lower bounds.
	77	/// </summary>
	78	/// <returns>A U64 RegionHandle for use in SimulatorEnable packets.</returns>
	79	public UInt64 getNeighbourHandle()
	80	{
	81	UInt64 mask = 0x0000FFFF0000FFFF;
	82
	83	return handle \| mask;
	84	}
	85
	86	/// <summary>
	87	/// Returns the IP Address of the GridServer from a Grid-Encoded RegionHandle
	88	/// </summary>
	89	/// <returns>Grid Server IP Address</returns>
	90	public IPAddress getGridIP()
	91	{
	92	uint a = (uint)((handle >> 16) & 0xFFFF);
	93	uint b = (uint)((handle >> 48) & 0xFFFF);
	94
	95	return new IPAddress((long)(a << 16) \| (long)b);
	96	}
	97
	98	/// <summary>
	99	/// Returns the X Coordinate from a Grid-Encoded RegionHandle
	100	/// </summary>
	101	/// <returns>X Coordinate</returns>
	102	public uint getGridX()
	103	{
	104	uint x = (uint)((handle >> 32) & 0xFFFF);
	105
	106	return x;
	107	}
	108
	109	/// <summary>
	110	/// Returns the Y Coordinate from a Grid-Encoded RegionHandle
	111	/// </summary>
	112	/// <returns>Y Coordinate</returns>
	113	public uint getGridY()
	114	{
	115	uint y = (uint)((handle >> 0) & 0xFFFF);
	116
	117	return y;
	118	}
	119	}
	120	}