File size: 1,766 Bytes
18a519f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | namespace Unity.VisualScripting
{
/// <summary>
/// Selects a value from a set by checking if a condition is true or false.
/// </summary>
[UnitCategory("Control")]
[UnitTitle("Select")]
[TypeIcon(typeof(ISelectUnit))]
[UnitOrder(6)]
public sealed class SelectUnit : Unit, ISelectUnit
{
/// <summary>
/// The condition to check.
/// </summary>
[DoNotSerialize]
[PortLabelHidden]
public ValueInput condition { get; private set; }
/// <summary>
/// The value to return if the condition is true.
/// </summary>
[DoNotSerialize]
[PortLabel("True")]
public ValueInput ifTrue { get; private set; }
/// <summary>
/// The value to return if the condition is false.
/// </summary>
[DoNotSerialize]
[PortLabel("False")]
public ValueInput ifFalse { get; private set; }
/// <summary>
/// The returned value.
/// </summary>
[DoNotSerialize]
[PortLabelHidden]
public ValueOutput selection { get; private set; }
protected override void Definition()
{
condition = ValueInput<bool>(nameof(condition));
ifTrue = ValueInput<object>(nameof(ifTrue)).AllowsNull();
ifFalse = ValueInput<object>(nameof(ifFalse)).AllowsNull();
selection = ValueOutput(nameof(selection), Branch).Predictable();
Requirement(condition, selection);
Requirement(ifTrue, selection);
Requirement(ifFalse, selection);
}
public object Branch(Flow flow)
{
return flow.GetValue(flow.GetValue<bool>(condition) ? ifTrue : ifFalse);
}
}
}
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