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Tidy up SOG.UpdateRootPosition() to eliminate unnecessary copying of Vector3 structs

cpu-performance
Justin Clark-Casey (justincc) 2013-06-25 00:15:55 +01:00
parent 936700bda3
commit 4b00203fa5
1 changed files with 4 additions and 10 deletions
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14
OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
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@ -3028,8 +3028,8 @@ namespace OpenSim.Region.Framework.Scenes
/// <summary>
/// Update just the root prim position in a linkset
/// </summary>
/// <param name="pos"></param>
public void UpdateRootPosition(Vector3 pos)
/// <param name="newPos"></param>
public void UpdateRootPosition(Vector3 newPos)
{
// m_log.DebugFormat(
// "[SCENE OBJECT GROUP]: Updating root position of {0} {1} to {2}", Name, LocalId, pos);
@ -3038,16 +3038,10 @@ namespace OpenSim.Region.Framework.Scenes
// for (int i = 0; i < parts.Length; i++)
// parts[i].StoreUndoState();
Vector3 newPos = new Vector3(pos.X, pos.Y, pos.Z);
Vector3 oldPos =
new Vector3(AbsolutePosition.X + m_rootPart.OffsetPosition.X,
AbsolutePosition.Y + m_rootPart.OffsetPosition.Y,
AbsolutePosition.Z + m_rootPart.OffsetPosition.Z);
Vector3 oldPos = AbsolutePosition + RootPart.OffsetPosition;
Vector3 diff = oldPos - newPos;
Vector3 axDiff = new Vector3(diff.X, diff.Y, diff.Z);
Quaternion partRotation = m_rootPart.RotationOffset;
axDiff *= Quaternion.Inverse(partRotation);
diff = axDiff;
diff *= Quaternion.Inverse(partRotation);
SceneObjectPart[] parts = m_parts.GetArray();
for (int i = 0; i < parts.Length; i++)