public InterpolatingStreamable(T start, T end, IStreamMoment startMoment, IStreamMoment endMoment)
{
m_Start = start;
m_End = end;
m_StartMoment = startMoment.PositionInStream;
m_EndMoment = endMoment.PositionInStream;
}
public IVehicleSprite AtMoment(IStreamMoment moment)
{
return(new ConcreteVehicleSprite(
CentrePoint.AtMoment(moment),
Size,
Heading.AtMoment(moment),
Guid));
}
public T AtMoment(IStreamMoment moment)
{
var streamable = m_Streamables[moment.PositionInStream];
if (streamable == null)
{
throw new ArgumentException("No streamable has been given for that stream moment");
}
return(streamable.AtMoment(moment));
}
public T AtMoment(IStreamMoment streamMoment)
{
var moment = streamMoment.PositionInStream;
if (moment < m_StartMoment || m_EndMoment < moment)
{
throw new ArgumentOutOfRangeException(nameof(moment), moment, "Must be within start and end of range");
}
return(m_Start.Interpolate(m_End, (moment - m_StartMoment) / (m_EndMoment - m_StartMoment)));
}
public void AddSample(T item, IStreamMoment moment)
{
if (m_FirstSampleSeen)
{
if (moment.PositionInStream <= m_LastMoment.PositionInStream)
{
throw new ArgumentOutOfRangeException(nameof(moment), "Samples must be submitted in chronological order");
}
m_Streamable.Add(m_LastMoment, moment, new InterpolatingStreamable <T>(m_LastItem, item, m_LastMoment, moment));
}
m_LastItem = item;
m_LastMoment = moment;
m_FirstSampleSeen = true;
}
public void RemoveAt(T item, IStreamMoment moment)
{
if (moment.PositionInStream < LatestLog)
{
throw new ArgumentOutOfRangeException(nameof(moment), "List must be accessed in chronological order");
}
m_Log.Add(new Log()
{
Time = moment.PositionInStream,
Item = item,
Type = Log.LogType.Remove
});
LatestLog = moment.PositionInStream;
}
public IList <T> AtMoment(IStreamMoment moment)
{
var now = moment.PositionInStream;
var logs = m_Log.TakeWhile(l => l.Time <= now).ToList();
var added = new List <Log>();
var removed = new List <Log>();
foreach (var log in logs)
{
if (log.Type == Log.LogType.Add)
{
added.Add(log);
}
else
{
removed.Add(log);
}
}
var removedItems = removed.Select(l => l.Item).ToList();
return(added.Select(l => l.Item).Except(removedItems).ToList());
}
public void TakeSample(IStreamMoment moment)
{
CentrePoint.AddSample(m_Sprite.CentrePoint, moment);
Heading.AddSample(m_Sprite.Heading, moment);
}
public T AtMoment(IStreamMoment moment)
{
return(m_Streamable.AtMoment(moment));
}
public void Add(IStreamMoment start, IStreamable <T> streamable)
{
m_Streamables.Add(start.PositionInStream, streamable);
}
public T AtMoment(IStreamMoment moment)
{
return(m_Constant);
}
