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-rw-r--r--OpenSim/Region/Physics/Manager/PhysicsVector.cs57
1 files changed, 56 insertions, 1 deletions
diff --git a/OpenSim/Region/Physics/Manager/PhysicsVector.cs b/OpenSim/Region/Physics/Manager/PhysicsVector.cs
index 1f5d0dc..4b2e756 100644
--- a/OpenSim/Region/Physics/Manager/PhysicsVector.cs
+++ b/OpenSim/Region/Physics/Manager/PhysicsVector.cs
@@ -46,7 +46,12 @@ namespace OpenSim.Region.Physics.Manager
46 Y = y; 46 Y = y;
47 Z = z; 47 Z = z;
48 } 48 }
49 49 public void setValues(float x, float y, float z)
50 {
51 X = x;
52 Y = y;
53 Z = z;
54 }
50 public static readonly PhysicsVector Zero = new PhysicsVector(0f, 0f, 0f); 55 public static readonly PhysicsVector Zero = new PhysicsVector(0f, 0f, 0f);
51 56
52 public override string ToString() 57 public override string ToString()
@@ -54,6 +59,56 @@ namespace OpenSim.Region.Physics.Manager
54 return "<" + X + "," + Y + "," + Z + ">"; 59 return "<" + X + "," + Y + "," + Z + ">";
55 } 60 }
56 61
62 /// <summary>
63 /// These routines are the easiest way to store XYZ values in an LLVector3 without requiring 3 calls.
64 /// </summary>
65 /// <returns></returns>
66 public byte[] GetBytes()
67 {
68 byte[] byteArray = new byte[12];
69
70 Buffer.BlockCopy(BitConverter.GetBytes(X), 0, byteArray, 0, 4);
71 Buffer.BlockCopy(BitConverter.GetBytes(Y), 0, byteArray, 4, 4);
72 Buffer.BlockCopy(BitConverter.GetBytes(Z), 0, byteArray, 8, 4);
73
74 if (!BitConverter.IsLittleEndian)
75 {
76 Array.Reverse(byteArray, 0, 4);
77 Array.Reverse(byteArray, 4, 4);
78 Array.Reverse(byteArray, 8, 4);
79 }
80
81 return byteArray;
82 }
83
84 public void FromBytes(byte[] byteArray, int pos)
85 {
86 byte[] conversionBuffer = null;
87 if (!BitConverter.IsLittleEndian)
88 {
89 // Big endian architecture
90 if (conversionBuffer == null)
91 conversionBuffer = new byte[12];
92
93 Buffer.BlockCopy(byteArray, pos, conversionBuffer, 0, 12);
94
95 Array.Reverse(conversionBuffer, 0, 4);
96 Array.Reverse(conversionBuffer, 4, 4);
97 Array.Reverse(conversionBuffer, 8, 4);
98
99 X = BitConverter.ToSingle(conversionBuffer, 0);
100 Y = BitConverter.ToSingle(conversionBuffer, 4);
101 Z = BitConverter.ToSingle(conversionBuffer, 8);
102 }
103 else
104 {
105 // Little endian architecture
106 X = BitConverter.ToSingle(byteArray, pos);
107 Y = BitConverter.ToSingle(byteArray, pos + 4);
108 Z = BitConverter.ToSingle(byteArray, pos + 8);
109 }
110 }
111
57 // Operations 112 // Operations
58 public static PhysicsVector operator +(PhysicsVector a, PhysicsVector b) 113 public static PhysicsVector operator +(PhysicsVector a, PhysicsVector b)
59 { 114 {