public TrackingShot Load()
{
string shotstr = SettingsStore.Get <string>(Entity, "shot", null);
if (shotstr == null)
{
return(new TrackingShot());
}
var parser = new RDParser(shotstr);
parser.Expect("Position");
parser.Expect(":");
var position_timeline = Timeline.Deserialize(parser);
parser.Expect(",");
parser.Expect("LookAt");
parser.Expect(":");
var lookat_timeline = Timeline.Deserialize(parser);
parser.Expect(",");
parser.Expect("UpVec");
parser.Expect(":");
var upvec_timeline = Timeline.Deserialize(parser);
parser.End();
return(new TrackingShot(position_timeline, lookat_timeline, upvec_timeline));
}
public static Timeline Deserialize(RDParser parser)
{
Timeline timeline = new Timeline();
while (true)
{
long frame = 0;
TrackingInfo info = new TrackingInfo();
if (!parser.Accept("["))
{
break;
}
if (!parser.GetLong(ref frame))
{
parser.Fail("frame expected");
}
parser.Expect(":");
if (parser.Accept("Locked"))
{
info.Mode = TrackMode.Locked;
}
else if (parser.Accept("Unlocked"))
{
info.Mode = TrackMode.Unlocked;
}
else
{
parser.Fail("unknown track mode");
}
parser.Expect(":");
if (info.Mode == TrackMode.Locked)
{
if (!parser.GetLong(ref info.EntityId))
{
parser.Fail("entity id expected");
}
}
parser.Expect(":");
parser.Expect("<");
if (!parser.GetDouble(ref info.Value3D.X))
{
parser.Fail("vector x expected");
}
parser.Expect(",");
if (!parser.GetDouble(ref info.Value3D.Y))
{
parser.Fail("vector y expected");
}
parser.Expect(",");
if (!parser.GetDouble(ref info.Value3D.Z))
{
parser.Fail("vector z expected");
}
parser.Expect(">");
parser.Expect(":");
if (parser.Accept("Constant"))
{
info.Transition = TransitionMode.Constant;
}
else if (parser.Accept("Linear"))
{
info.Transition = TransitionMode.Linear;
}
else if (parser.Accept("Cosine"))
{
info.Transition = TransitionMode.Cosine;
}
else if (parser.Accept("Spline"))
{
info.Transition = TransitionMode.Spline;
}
else
{
parser.Fail("unknown transition mode");
}
parser.Expect("]");
timeline.keyframes.Add((int)frame, info);
}
return(timeline);
}