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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSim Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using libsecondlife;
namespace OpenSim.Region.Environment.Scenes
{
public class UndoState
{
public LLVector3 Position = LLVector3.Zero;
public LLQuaternion Rotation = LLQuaternion.Identity;
public LLVector3 Scale = LLVector3.Zero;
public UndoState(LLVector3 pos, LLQuaternion rot, LLVector3 scale)
{
Position = pos;
Rotation = rot;
Scale = scale;
}
public UndoState(SceneObjectPart part)
{
if (part != null)
{
if (part.ParentID == 0)
{
Position = part.AbsolutePosition;
Rotation = part.RotationOffset;
}
else
{
Position = part.GroupPosition;
Rotation = part.RotationOffset;
Scale = part.Shape.Scale;
}
}
}
public UndoState()
{
}
public bool Compare(SceneObjectPart part)
{
if (part != null)
{
if (part.ParentID == 0)
{
if (Position == part.AbsolutePosition && Rotation == part.RotationOffset)
return true;
else
return false;
}
else
{
if (Position == part.GroupPosition && Rotation == part.RotationOffset && Scale == part.Shape.Scale)
return true;
else
return false;
}
}
return false;
}
public void PlaybackState(SceneObjectPart part)
{
if (part != null)
{
part.m_undoing = true;
if (part.ParentID == 0)
{
part.ParentGroup.AbsolutePosition = Position;
part.UpdateRotation(Rotation);
part.ParentGroup.ScheduleGroupForTerseUpdate();
}
else
{
part.OffsetPosition = Position;
part.UpdateRotation(Rotation);
part.Resize(Scale);
part.ScheduleTerseUpdate();
}
part.m_undoing = false;
}
}
}
}
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