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* notice, this list of conditions and the following disclaimer.
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* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
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* 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
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using System.Reflection;
using log4net;
using OpenMetaverse;
using OpenSim.Region.Framework.Interfaces;
namespace OpenSim.Region.Framework.Scenes
{
public class UndoState
{
// private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
public Vector3 Position = Vector3.Zero;
public Vector3 Scale = Vector3.Zero;
public Quaternion Rotation = Quaternion.Identity;
///
/// Constructor.
///
///
public UndoState(SceneObjectPart part)
{
if (part != null)
{
if (part.ParentID == 0)
{
// m_log.DebugFormat(
// "[UNDO STATE]: Storing undo position {0} for root part", part.ParentGroup.AbsolutePosition);
Position = part.ParentGroup.AbsolutePosition;
// m_log.DebugFormat(
// "[UNDO STATE]: Storing undo rotation {0} for root part", part.RotationOffset);
Rotation = part.RotationOffset;
// m_log.DebugFormat(
// "[UNDO STATE]: Storing undo scale {0} for root part", part.Shape.Scale);
Scale = part.Shape.Scale;
}
else
{
// m_log.DebugFormat(
// "[UNDO STATE]: Storing undo position {0} for child part", part.OffsetPosition);
Position = part.OffsetPosition;
// m_log.DebugFormat(
// "[UNDO STATE]: Storing undo rotation {0} for child part", part.RotationOffset);
Rotation = part.RotationOffset;
// m_log.DebugFormat(
// "[UNDO STATE]: Storing undo scale {0} for child part", part.Shape.Scale);
Scale = part.Shape.Scale;
}
}
}
///
/// Compare the relevant state in the given part to this state.
///
///
/// true if both the part's position, rotation and scale match those in this undo state. False otherwise.
public bool Compare(SceneObjectPart part)
{
if (part != null)
{
if (part.ParentID == 0)
{
if (Position == part.ParentGroup.AbsolutePosition
&& Rotation == part.RotationOffset
&& Scale == part.Shape.Scale)
return true;
else
return false;
}
else
{
if (Position == part.OffsetPosition
&& Rotation == part.RotationOffset
&& Scale == part.Shape.Scale)
return true;
else
return false;
}
}
return false;
}
public void PlaybackState(SceneObjectPart part)
{
if (part != null)
{
part.Undoing = true;
if (part.ParentID == 0)
{
if (Position != Vector3.Zero)
{
// m_log.DebugFormat(
// "[UNDO STATE]: Undoing position {0} to {1} for root part {2} {3}",
// part.ParentGroup.AbsolutePosition, Position, part.Name, part.LocalId);
part.ParentGroup.AbsolutePosition = Position;
}
// m_log.DebugFormat(
// "[UNDO STATE]: Undoing rotation {0} to {1} for root part {2} {3}",
// part.RotationOffset, Rotation, part.Name, part.LocalId);
part.RotationOffset = Rotation;
if (Scale != Vector3.Zero)
{
// m_log.DebugFormat(
// "[UNDO STATE]: Undoing scale {0} to {1} for root part {2} {3}",
// part.Shape.Scale, Scale, part.Name, part.LocalId);
part.Resize(Scale);
}
part.ParentGroup.ScheduleGroupForTerseUpdate();
}
else
{
if (Position != Vector3.Zero)
{
// m_log.DebugFormat(
// "[UNDO STATE]: Undoing position {0} to {1} for child part {2} {3}",
// part.OffsetPosition, Position, part.Name, part.LocalId);
part.OffsetPosition = Position;
}
// m_log.DebugFormat(
// "[UNDO STATE]: Undoing rotation {0} to {1} for child part {2} {3}",
// part.RotationOffset, Rotation, part.Name, part.LocalId);
part.UpdateRotation(Rotation);
if (Scale != Vector3.Zero)
{
// m_log.DebugFormat(
// "[UNDO STATE]: Undoing scale {0} to {1} for child part {2} {3}",
// part.Shape.Scale, Scale, part.Name, part.LocalId);
part.Resize(Scale);
}
part.ScheduleTerseUpdate();
}
part.Undoing = false;
}
}
public void PlayfwdState(SceneObjectPart part)
{
if (part != null)
{
part.Undoing = true;
if (part.ParentID == 0)
{
if (Position != Vector3.Zero)
part.ParentGroup.AbsolutePosition = Position;
if (Rotation != Quaternion.Identity)
part.UpdateRotation(Rotation);
if (Scale != Vector3.Zero)
part.Resize(Scale);
part.ParentGroup.ScheduleGroupForTerseUpdate();
}
else
{
if (Position != Vector3.Zero)
part.OffsetPosition = Position;
if (Rotation != Quaternion.Identity)
part.UpdateRotation(Rotation);
if (Scale != Vector3.Zero)
part.Resize(Scale);
part.ScheduleTerseUpdate();
}
part.Undoing = false;
}
}
}
public class LandUndoState
{
public ITerrainModule m_terrainModule;
public ITerrainChannel m_terrainChannel;
public LandUndoState(ITerrainModule terrainModule, ITerrainChannel terrainChannel)
{
m_terrainModule = terrainModule;
m_terrainChannel = terrainChannel;
}
public bool Compare(ITerrainChannel terrainChannel)
{
if (m_terrainChannel != terrainChannel)
return false;
else
return false;
}
public void PlaybackState()
{
m_terrainModule.UndoTerrain(m_terrainChannel);
}
}
}