void mCoordinator_Tick()
{
#if DEBUG
mStats.Begin();
#endif
mCore.Update(mCurrent.Position, mCurrent.Position - mPrev.Position, mCurrent.Orientation, mCurrent.Orientation - mPrev.Orientation);
IncrementTime();
mPrev = mCurrent;
mCurrent = mEvents.CurrentEvent.Value;
#if DEBUG
mStats.End();
#endif
}
private void FlythroughThread()
{
mFinished = false;
mPlaying = true;
#if DEBUG
mStats.Begin();
#endif
while (mPlaying && mEvents.Length > 0) {
IncrementTime();
mPrev = mCurrent;
mCurrent = mEvents.CurrentEvent.Value;
#if DEBUG
mStats.End();
#endif
//double wait = (mCore.TickLength * (1.0 / mSpeed)) - DateTime.Now.Subtract(mLastTick).TotalMilliseconds;
//double wait = mCore.TickLength - DateTime.Now.Subtract(mLastTick).TotalMilliseconds;
//Merge conflict - wait UTC or now? wait <= or < 0?
//if (wait < 0)
double wait = mCore.TickLength - DateTime.UtcNow.Subtract(mLastTick).TotalMilliseconds;
if (wait <= 0)
Logger.Debug("Flythrough Tick overran by " + (wait * -1) + "ms.");
else
System.Threading.Thread.Sleep((int)wait);
#if DEBUG
mStats.Begin();
#endif
mLastTick = DateTime.UtcNow;
mCore.Update(mCurrent.Position, mCurrent.Position - mPrev.Position, mCurrent.Orientation, mCurrent.Orientation - mPrev.Orientation);
}
lock (mFinishLock) {
mFinished = true;
Monitor.PulseAll(mFinishLock);
}
}
/// <summary>
/// Initialise the flythrough transition an xml file.
/// </summary>
/// <param name="file">The file to load as a flythrough.</param>
public void Load(string file)
{
if (!File.Exists(file)) {
Logger.Warn("Unable to load " + file + ". Ignoring load request.");
return;
}
if (FlythroughLoading != null)
FlythroughLoading();
mEvents = new EventSequence<Camera>();
mEvents.LengthChange += new Action<EventSequence<Camera>, int>(mEvents_LengthChange);
XmlDocument doc = new XmlDocument();
doc.Load(file);
int start = 0;
XmlNode root = doc.GetElementsByTagName("Events")[0];
XmlAttribute startPositionAttr = root.Attributes["StartPosition"];
XmlAttribute startPitchAttr = root.Attributes["StartPitch"];
XmlAttribute startYawAttr = root.Attributes["StartYaw"];
Vector3 startPos = mCore.Position;
double startPitch = mCore.Orientation.Pitch;
double startYaw = mCore.Orientation.Yaw;
if (startPositionAttr != null) Vector3.TryParse(startPositionAttr.Value, out startPos);
if (startPitchAttr != null) double.TryParse(startPitchAttr.Value, out startPitch);
if (startYawAttr != null) double.TryParse(startYawAttr.Value, out startYaw);
Start = new Camera(startPos, new Rotation(startPitch, startYaw));
foreach (XmlNode node in root.ChildNodes) {
if (node is XmlElement) {
ComboEvent evt = new ComboEvent(this);
evt.Load(node);
mEvents.AddEvent(evt);
start = evt.SequenceStartTime + evt.Length;
}
}
mCore.Update(Start.Position, Vector3.Zero, Start.Orientation, Rotation.Zero);
if (FlythroughLoaded != null)
FlythroughLoaded();
}
public void Play()
{
if (mPlaying)
return;
if (UnPaused != null)
UnPaused();
if (mEnabled && mEvents.Length > 0) {
if (mEvents.CurrentEvent == null)
Time = 0;
mCurrent = mEvents.CurrentEvent.Value;
mCore.Update(mCurrent.Position, Vector3.Zero, mCurrent.Orientation, Rotation.Zero);
mPrev = mCurrent;
mLastTick = DateTime.UtcNow;
if (mSeparateThread) {
Thread t = new Thread(FlythroughThread);
t.Name = "Flythrough thread";
//t.Priority = ThreadPriority.Highest;
t.Start();
} else
mCore.Tick += mTickListener;
}
}
public FlythroughPlugin()
{
Start = new Camera(new Vector3(128f, 128f, 60f), Rotation.Zero);
mEvents.Start = Start;
mEvents.LengthChange += new Action<EventSequence<Camera>, int>(mEvents_LengthChange);
mTickListener = new Action(mCoordinator_Tick);
FlythroughConfig cfg = new FlythroughConfig();
mSynchLengths = cfg.SynchLengths;
}