/// <summary>
/// Event Callback for the Black Screen event generated by the VideoProcessor
/// </summary>
private void VideoProcessor_BlackScreen(object sender, VideoProcessor.VideoEventArgs e)
{
log.Debug("Detected a black screen");
BeginInvoke((MethodInvoker)(() => processingLabel.Text = "Processing black screen..."));
// Is this a new level?
Image <Bgr, byte> frame = e.frameBuffer[e.frameBuffer.Length - 5];
double imageMatchPercent = ImageLibrary.CompareImages(frame, levelSelectScreen);
if (imageMatchPercent > 0.94)
{
log.Info("Detected new level.");
previewer.SetLastMatch(frame, new Rectangle[] { levelCodeArea, creatorNameArea, levelTitleArea });
BeginInvoke((MethodInvoker)(() => processingLabel.Text = "Processing level screen..."));
Level level = getLevelFromCurrentFrame(frame);
writeLevelToFile(level);
SMMServer.BroadcastLevel(level);
BeginInvoke((MethodInvoker)(() => ocrTextBox.Text = level.code + " | " + level.author + " | " + level.name));
BeginInvoke((MethodInvoker)(() => processingLabel.Text = ""));
}
else
{
// Not a new level, see if we can detect a template.
Dictionary <String, bool> events = new Dictionary <String, bool>
{
{ "death", false },
{ "restart", false },
{ "exit", false },
};
BeginInvoke((MethodInvoker)(() => processingLabel.Text = "Processing events..."));
foreach (Image <Bgr, byte> f in e.frameBuffer)
{
Image <Gray, byte> grayscaleFrame = f.Mat.ToImage <Gray, byte>().Resize(640, 480, Inter.Cubic);
//grayscaleFrame.Save("frame_" + DateTime.Now.ToString("yyyyMMddHHmmssffff") + ".png"); // XXX: Useful for debugging template false-negatives, and for getting templates
List <Rectangle> boundaries = new List <Rectangle>();
foreach (EventTemplate tmpl in templates)
{
if (events[tmpl.eventType])
{
continue;
}
Point loc = tmpl.getLocation(grayscaleFrame);
if (!loc.IsEmpty)
{
events[tmpl.eventType] = true;
boundaries.Add(ImageLibrary.ChangeSize(new Rectangle(loc.X, loc.Y, tmpl.template.Width, tmpl.template.Height), grayscaleFrame.Size, f.Size));
previewer.SetLastMatch(f, boundaries.ToArray());
}
}
}
BeginInvoke((MethodInvoker)(() => processingLabel.Text = ""));
foreach (var evt in events)
{
if (evt.Value)
{
log.Info(String.Format("Detected {0}.", evt.Key));
SMMServer.BroadcastEvent(evt.Key);
}
}
}
}
private void VideoProcessor_NewFrame(object sender, VideoProcessor.VideoEventArgs e)
{
previewer.SetLiveFrame(e.currentFrame);
}
/// <summary>
/// Event callback for the Clear Screen event generatead by the VideoProcessor
/// </summary>
private void VideoProcessor_ClearScreen(object sender, VideoProcessor.VideoEventArgs e)
{
log.Debug("Detected Level Clear");
SMMServer.BroadcastEvent("clear");
}