public virtual KeyframeSequence RestoreKeyframes(TypedAttribSet attributes)
{
TypedAttribSet listAttribs = find_struct(attributes, IOStrings.KeyframeListStruct);
if (listAttribs == null)
{
throw new Exception("SOFactory.RestoreKeyframes: Transform struct not found!");
}
KeyframeSequence keys = new KeyframeSequence();
if (check_key_or_debug_print(listAttribs, IOStrings.ATimeRange))
{
Vector2f vRange = (Vector2f)listAttribs[IOStrings.ATimeRange];
keys.SetValidRange(vRange[0], vRange[1]);
}
List <TypedAttribSet> frames = find_all_structs(listAttribs, IOStrings.KeyframeStruct);
foreach (TypedAttribSet frameAttrib in frames)
{
double time = double.PositiveInfinity;
Frame3f frame = Frame3f.Identity;
if (check_key_or_debug_print(frameAttrib, IOStrings.ATime))
{
time = (float)frameAttrib[IOStrings.ATime];
}
if (check_key_or_debug_print(frameAttrib, IOStrings.APosition))
{
frame.Origin = (Vector3f)frameAttrib[IOStrings.APosition];
}
if (check_key_or_debug_print(frameAttrib, IOStrings.AOrientation))
{
frame.Rotation = (Quaternionf)frameAttrib[IOStrings.AOrientation];
}
if (time != double.PositiveInfinity)
{
keys.AddOrUpdateKey(new Keyframe(time, frame));
}
}
return(keys);
}
/// <summary>
/// Emit a keyframe sequence as a KeyframeListStruct
/// </summary>
public static void EmitKeyframes(this SceneSerializer s, KeyframeSequence seq, IOutputStream o)
{
o.BeginStruct(IOStrings.KeyframeListStruct);
o.AddAttribute(IOStrings.ATimeRange, (Vector2f)seq.ValidRange);
int i = 0;
foreach (Keyframe k in seq)
{
o.BeginStruct(IOStrings.KeyframeStruct, i.ToString());
i++;
o.AddAttribute(IOStrings.ATime, (float)k.Time, true);
o.AddAttribute(IOStrings.APosition, k.Frame.Origin, true);
o.AddAttribute(IOStrings.AOrientation, k.Frame.Rotation, true);
o.EndStruct();
}
o.EndStruct();
}
