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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 OpenSimulator 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 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;
/// <summary>
/// Is this undo state for an entire group?
/// </summary>
public bool ForGroup;
/// <summary>
/// Constructor.
/// </summary>
/// <param name="part"></param>
/// <param name="forGroup">True if the undo is for an entire group</param>
public UndoState(SceneObjectPart part, bool forGroup)
{
if (part != null)
{
if (part.ParentID == 0)
{
ForGroup = forGroup;
if (ForGroup)
Position = part.ParentGroup.AbsolutePosition;
else
Position = part.OffsetPosition;
m_log.DebugFormat(
"[UNDO STATE]: Storing undo position {0} for root part", Position);
Rotation = part.RotationOffset;
m_log.DebugFormat(
"[UNDO STATE]: Storing undo rotation {0} for root part", Rotation);
Scale = part.Shape.Scale;
m_log.DebugFormat(
"[UNDO STATE]: Storing undo scale {0} for root part", Scale);
}
else
{
Position = part.OffsetPosition;
m_log.DebugFormat(
"[UNDO STATE]: Storing undo position {0} for child part", Position);
Rotation = part.RotationOffset;
m_log.DebugFormat(
"[UNDO STATE]: Storing undo rotation {0} for child part", Rotation);
Scale = part.Shape.Scale;
m_log.DebugFormat(
"[UNDO STATE]: Storing undo scale {0} for child part", Scale);
}
}
}
/// <summary>
/// Compare the relevant state in the given part to this state.
/// </summary>
/// <param name="part"></param>
/// <returns>true if both the part's position, rotation and scale match those in this undo state. False otherwise.</returns>
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)
{
m_log.DebugFormat(
"[UNDO STATE]: Undoing position to {0} for root part {1} {2}",
Position, part.Name, part.LocalId);
if (Position != Vector3.Zero)
{
if (ForGroup)
part.ParentGroup.AbsolutePosition = Position;
else
part.OffsetPosition = Position;
}
m_log.DebugFormat(
"[UNDO STATE]: Undoing rotation {0} to {1} for root part {2} {3}",
part.RotationOffset, Rotation, part.Name, part.LocalId);
if (ForGroup)
part.UpdateRotation(Rotation);
else
part.ParentGroup.UpdateRootRotation(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);
if (ForGroup)
part.ParentGroup.GroupResize(Scale);
else
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)
{
if (ForGroup)
part.ParentGroup.GroupResize(Scale);
else
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);
}
}
}
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