void LayoutSublevelMeters()
{
foreach (var meter in sublevelMeters)
{
meter.RemoveFromSuperview();
}
sublevelMeters.Clear();
vertical = Frame.Size.Width < Frame.Size.Height;
RectangleF totalRect;
if (vertical)
{
totalRect = new RectangleF(0, 0, Frame.Size.Width + 2, Frame.Size.Height);
}
else
{
totalRect = new RectangleF(0, 0, Frame.Size.Width, Frame.Size.Height + 2);
}
for (int i = 0; i < channelNumbers.Length; i++)
{
RectangleF fr;
if (vertical)
{
fr = new RectangleF(
(float)totalRect.X + ((float)i) / channelNumbers.Length * totalRect.Width,
totalRect.Y,
(float)(1f / channelNumbers.Length) * totalRect.Width - 2,
totalRect.Height);
}
else
{
fr = new RectangleF(
totalRect.X,
(float)totalRect.Y + ((float)i) / channelNumbers.Length * totalRect.Height,
totalRect.Width,
(float)(1f / channelNumbers.Length) * totalRect.Height - 2);
}
LevelMeter newMeter;
newMeter = new LevelMeter(fr)
{
NumLights = 30,
Vertical = vertical
};
sublevelMeters.Add(newMeter);
AddSubview(newMeter);
}
}
void LayoutSublevelMeters ()
{
foreach (var meter in sublevelMeters)
meter.RemoveFromSuperview ();
sublevelMeters.Clear ();
vertical = Frame.Size.Width < Frame.Size.Height;
CGRect totalRect;
if (vertical)
totalRect = new CGRect (0, 0, Frame.Size.Width + 2, Frame.Size.Height);
else
totalRect = new CGRect (0, 0, Frame.Size.Width, Frame.Size.Height + 2);
for (int i = 0; i < channelNumbers.Length; i++){
CGRect fr;
if (vertical)
fr = new CGRect (
(float) totalRect.X + ((float) i) / channelNumbers.Length * totalRect.Width,
totalRect.Y,
(float) (1f / channelNumbers.Length) * totalRect.Width - 2,
totalRect.Height);
else
fr = new CGRect (
totalRect.X,
(float) totalRect.Y + ((float) i) / channelNumbers.Length * totalRect.Height,
totalRect.Width,
(float) (1f / channelNumbers.Length) * totalRect.Height - 2);
LevelMeter newMeter;
newMeter = new LevelMeter (fr) {
NumLights = 30,
Vertical = vertical
};
sublevelMeters.Add (newMeter);
AddSubview (newMeter);
}
}
void Refresh()
{
bool success = false;
// if we have no queue, but still have levels, gradually bring them down
if (player == null)
{
float maxLvl = -1f;
DateTime thisFire = DateTime.Now;
// calculate how much time passed since the last draw
var timePassed = (thisFire - peakFalloffLastFire).TotalSeconds;
foreach (var thisMeter in sublevelMeters)
{
float newPeak, newLevel;
newLevel = (float)(thisMeter.Level - timePassed * kLevelFalloffPerSec);
if (newLevel < 0)
{
newLevel = 0;
}
thisMeter.Level = newLevel;
if (showPeaks)
{
newPeak = (float)(thisMeter.PeakLevel - timePassed * kPeakFalloffPerSec);
if (newPeak < 0)
{
newPeak = 0;
}
thisMeter.PeakLevel = newPeak;
if (newPeak > maxLvl)
{
maxLvl = newPeak;
}
}
else if (newLevel > maxLvl)
{
maxLvl = newLevel;
}
thisMeter.SetNeedsDisplay();
}
// stop the timer when the last level has hit 0
if (maxLvl <= 0)
{
updateTimer.Invalidate();
updateTimer = null;
}
peakFalloffLastFire = thisFire;
success = true;
}
else
{
player.UpdateMeters();
for (int i = 0; i < channelNumbers.Length; i++)
{
int channelIdx = channelNumbers [i];
LevelMeter channelView = sublevelMeters [channelIdx];
if (channelIdx >= channelNumbers.Length)
{
goto bail;
}
if (channelIdx > 127)
{
goto bail;
}
channelView.Level = meterTable.ValueAt(player.AveragePower((uint)i));
if (showPeaks)
{
channelView.PeakLevel = meterTable.ValueAt(player.PeakPower((uint)i));
}
else
{
channelView.PeakLevel = 0;
}
channelView.SetNeedsDisplay();
success = true;
}
}
bail:
if (!success)
{
foreach (var thisMeter in sublevelMeters)
{
thisMeter.Level = 0; thisMeter.SetNeedsDisplay();
}
Console.WriteLine("ERROR: metering failed\n");
}
}