/// <summary>
/// Constructor
/// </summary>
/// <param name="frames"></param>
/// <param name="animation"></param>
public ClearFramesCommand(GUIAnimation animation, GUIAnimationChannel animationChannel, int start, int end)
{
mAnimation = animation;
mAnimationChannel = animationChannel;
mStart = start;
mEnd = end;
mKeyFrames = new List <KeyFrame>();
}
/// <summary>
/// Undoes the command
/// </summary>
/// <returns></returns>
public override bool Undo()
{
int numFrames = (mTrimEnd - mTrimStart) + 1;
if (numFrames <= 0)
{
return(false);
}
mAnimation.NumFrames += (uint)numFrames;
mAnimation.RepeatStart = mOrigRepeatStart;
mAnimation.RepeatEnd = mOrigRepeatEnd;
// Add the trimmed keyframes back in
for (int i = 0; i < mAnimation.AnimationChannels.Count; i++)
{
GUIAnimationChannel channel = mAnimation.AnimationChannels[i];
foreach (KeyFrame keyFrame in channel.KeyFrames)
{
if (keyFrame.Frame != 0 && keyFrame.Frame >= mTrimStart)
{
keyFrame.Frame += (uint)numFrames;
}
}
channel.KeyFrames.AddRange(mRemovedKeyFrames[i]);
channel.KeyFrames.Sort((a, b) => ((int)a.Frame - (int)b.Frame));
}
// Add the trimmed actionlist back in
foreach (MainChannelFrame actionList in mAnimation.MainChannelFrames)
{
if (actionList.Frame >= mTrimStart)
{
actionList.Frame += (uint)numFrames;
}
}
mAnimation.MainChannelFrames.AddRange(mRemovedMainChannelFrames);
mAnimation.MainChannelFrames.Sort((a, b) => ((int)a.Frame - (int)b.Frame));
mRemovedMainChannelFrames.Clear();
mRemovedKeyFrames.Clear();
return(true);
}
/// <summary>
/// Sets the control's new parent. This function will also fix up any
/// other animations that references the control.
/// </summary>
/// <param name="control"></param>
/// <param name="newParent"></param>
private static void SetParent(GUIControl control, GUIControl newParent, int index)
{
GUIView view = (newParent is GUIView) ? newParent as GUIView : newParent.ParentView;
Otter.Interface.Matrix invTransform = newParent.FullTransformInv;
PointF center = PointF.Empty;
float rotation = 0.0f;
PointF location = PointF.Empty;
Matrix oldTransformInv = control.TransformInv;
Matrix newTransform = control.FullTransform * invTransform;
Matrix toLocal = oldTransformInv * newTransform;
GetComponents(control, ref newTransform, out center, out rotation, out location);
if (control.ParentView == view)
{
GUIAnimation currentAnim = view.CurrentAnimation;
uint currentFrame = currentAnim.Frame;
foreach (GUIAnimation animation in view.Animations)
{
uint oldFrame = animation.Frame;
GUIAnimationChannel channel = animation.GetAnimationChannel(control);
if (channel == null)
{
continue;
}
view.CurrentAnimation = animation;
foreach (KeyFrame keyFrame in channel.KeyFrames)
{
// This will update the control
view.CurrentAnimation.Frame = keyFrame.Frame;
PointF kfCenter = control.Center;
float kfRotation = control.Rotation;
PointF kfLocation = control.Location;
Matrix kfTransform = control.Transform * toLocal;
GetComponents(control, ref kfTransform, out kfCenter, out kfRotation, out kfLocation);
keyFrame.Layout.Center = kfCenter;
keyFrame.Layout.Rotation = kfRotation;
keyFrame.Layout.Location = kfLocation;
}
animation.Frame = oldFrame;
}
view.CurrentAnimation = currentAnim;
view.CurrentAnimation.Frame = currentFrame;
view.SetNewParent(control, newParent, index);
}
else
{
control.ParentView.RemoveControl(control);
view.AddControl(newParent, control);
}
control.Center = center;
control.Rotation = rotation;
control.Location = location;
}
/// <summary>
/// Executes the command
/// </summary>
/// <returns></returns>
public override bool Execute()
{
int numFrames = (mTrimEnd - mTrimStart) + 1;
if (numFrames <= 0)
{
return(false);
}
mRemovedMainChannelFrames.Clear();
mRemovedKeyFrames.Clear();
Predicate <KeyFrame> kfPredicate = (frame) => (frame.Frame != 0 && frame.Frame >= mTrimStart && frame.Frame <= mTrimEnd);
Predicate <MainChannelFrame> mainPredicate = (frame) => (frame.Frame != 0 && frame.Frame >= mTrimStart && frame.Frame <= mTrimEnd);
mAnimation.NumFrames -= (uint)numFrames;
// Remove the keyframes
for (int i = 0; i < mAnimation.AnimationChannels.Count; i++)
{
GUIAnimationChannel channel = mAnimation.AnimationChannels[i];
mRemovedKeyFrames.Add(channel.KeyFrames.FindAll(kfPredicate));
// Remove unneeded keyframes
channel.KeyFrames.RemoveAll(kfPredicate);
foreach (KeyFrame keyFrame in channel.KeyFrames)
{
if (keyFrame.Frame != 0 && keyFrame.Frame >= mTrimStart)
{
keyFrame.Frame -= (uint)numFrames;
}
}
}
// Remove the action lists
mRemovedMainChannelFrames.AddRange(mAnimation.MainChannelFrames.FindAll(mainPredicate));
mAnimation.MainChannelFrames.RemoveAll(mainPredicate);
foreach (MainChannelFrame actionList in mAnimation.MainChannelFrames)
{
if (actionList.Frame >= mTrimStart)
{
actionList.Frame -= (uint)numFrames;
}
}
// Now adjust the loop if necessary
if (mAnimation.RepeatStart < mAnimation.RepeatEnd)
{
// Adjust the start / end frames if necessary
if (mTrimEnd <= mAnimation.RepeatEnd)
{
mAnimation.RepeatEnd -= numFrames;
}
else if (mTrimStart <= mAnimation.RepeatEnd)
{
mAnimation.RepeatEnd = mTrimStart - 1;
}
if (mTrimEnd < mAnimation.RepeatStart)
{
mAnimation.RepeatStart -= numFrames;
}
else if (mTrimStart <= mAnimation.RepeatStart)
{
mAnimation.RepeatStart = mTrimStart;
}
if (mAnimation.RepeatStart > mAnimation.RepeatEnd)
{
mAnimation.RepeatStart = mAnimation.RepeatEnd = -1;
}
}
return(true);
}
