public LiveSimulation(Circuit.Schematic Simulate, Audio.Device Device, Audio.Channel[] Inputs, Audio.Channel[] Outputs)
{
try
{
InitializeComponent();
// Make a clone of the schematic so we can mess with it.
Circuit.Schematic clone = Circuit.Schematic.Deserialize(Simulate.Serialize(), Log);
clone.Elements.ItemAdded += OnElementAdded;
clone.Elements.ItemRemoved += OnElementRemoved;
Schematic = new SimulationSchematic(clone);
Schematic.SelectionChanged += OnProbeSelected;
// Build the circuit from the schematic.
circuit = Schematic.Schematic.Build(Log);
// Create the input and output controls.
IEnumerable<Circuit.Component> components = circuit.Components;
// Create audio input channels.
for (int i = 0; i < Inputs.Length; ++i)
InputChannels.Add(new InputChannel(i) { Name = Inputs[i].Name });
ComputerAlgebra.Expression speakers = 0;
foreach (Circuit.Component i in components)
{
Circuit.Symbol S = i.Tag as Circuit.Symbol;
if (S == null)
continue;
SymbolControl tag = (SymbolControl)S.Tag;
if (tag == null)
continue;
// Create potentiometers.
Circuit.IPotControl c = i as Circuit.IPotControl;
if (c != null)
{
PotControl pot = new PotControl()
{
Width = 80,
Height = 80,
Opacity = 0.5,
FontSize = 15,
FontWeight = FontWeights.Bold,
};
Schematic.overlays.Children.Add(pot);
Canvas.SetLeft(pot, Canvas.GetLeft(tag) - pot.Width / 2 + tag.Width / 2);
Canvas.SetTop(pot, Canvas.GetTop(tag) - pot.Height / 2 + tag.Height / 2);
pot.Value = c.PotValue;
pot.ValueChanged += x => { c.PotValue = x; UpdateSimulation(false); };
pot.MouseEnter += (o, e) => pot.Opacity = 0.95;
pot.MouseLeave += (o, e) => pot.Opacity = 0.5;
}
// Create Buttons.
Circuit.IButtonControl b = i as Circuit.IButtonControl;
if (b != null)
{
Button button = new Button()
{
Width = tag.Width,
Height = tag.Height,
Opacity = 0.5,
Background = Brushes.White,
};
Schematic.overlays.Children.Add(button);
Canvas.SetLeft(button, Canvas.GetLeft(tag));
Canvas.SetTop(button, Canvas.GetTop(tag));
button.Click += (o, e) =>
{
// Click all the buttons in the group.
foreach (Circuit.IButtonControl j in components.OfType<Circuit.IButtonControl>().Where(x => x.Group == b.Group))
j.Click();
UpdateSimulation(true);
};
button.MouseEnter += (o, e) => button.Opacity = 0.95;
button.MouseLeave += (o, e) => button.Opacity = 0.5;
}
Circuit.Speaker output = i as Circuit.Speaker;
if (output != null)
speakers += output.V;
// Create input controls.
Circuit.Input input = i as Circuit.Input;
if (input != null)
{
tag.ShowText = false;
ComboBox combo = new ComboBox()
{
Width = 80,
Height = 24,
Opacity = 0.5,
IsEditable = true,
SelectedValuePath = "Tag",
};
foreach (InputChannel j in InputChannels)
{
combo.Items.Add(new ComboBoxItem()
{
Tag = j,
Content = j.Name
});
}
Schematic.overlays.Children.Add(combo);
Canvas.SetLeft(combo, Canvas.GetLeft(tag) - combo.Width / 2 + tag.Width / 2);
Canvas.SetTop(combo, Canvas.GetTop(tag) - combo.Height / 2 + tag.Height / 2);
ComputerAlgebra.Expression V = Circuit.Component.DependentVariable(input.Name, Circuit.Component.t);
inputs[V] = new SignalChannel(0);
combo.SelectionChanged += (o, e) =>
{
if (combo.SelectedItem != null)
{
ComboBoxItem it = (ComboBoxItem)combo.SelectedItem;
inputs[V] = new InputChannel(((InputChannel)it.Tag).Index);
}
};
combo.AddHandler(TextBox.KeyDownEvent, new KeyEventHandler((o, e) =>
{
try
{
inputs[V] = new SignalChannel(Circuit.Quantity.Parse(combo.Text, Circuit.Units.V));
}
catch (Exception)
{
// If there is an error in the expression, zero out the signal.
inputs[V] = new SignalChannel(0);
}
}));
if (combo.Items.Count > 0)
combo.SelectedItem = combo.Items[0];
else
combo.Text = "0 V";
combo.MouseEnter += (o, e) => combo.Opacity = 0.95;
combo.MouseLeave += (o, e) => combo.Opacity = 0.5;
}
}
// Create audio output channels.
for (int i = 0; i < Outputs.Length; ++i)
{
OutputChannel c = new OutputChannel(i) { Name = Outputs[i].Name, Signal = speakers };
c.PropertyChanged += (o, e) => { if (e.PropertyName == "Signal") RebuildSolution(); };
OutputChannels.Add(c);
}
// Begin audio processing.
if (Inputs.Any() || Outputs.Any())
stream = Device.Open(ProcessSamples, Inputs, Outputs);
else
stream = new NullStream(ProcessSamples);
ContentRendered += (o, e) => RebuildSolution();
Closed += (s, e) => stream.Stop();
}
catch (Exception Ex)
{
MessageBox.Show(Ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
