Rasagar/Library/PackageCache/com.unity.visualscripting/Runtime/VisualScripting.Flow/Framework/Control/Sequence.cs

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2024-08-26 13:07:20 -07:00
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using UnityEngine;
namespace Unity.VisualScripting
{
/// <summary>
/// Executes the output ports in order.
/// </summary>
[UnitCategory("Control")]
[UnitOrder(13)]
public sealed class Sequence : Unit
{
[SerializeAs(nameof(outputCount))]
private int _outputCount = 2;
/// <summary>
/// The entry point for the sequence.
/// </summary>
[DoNotSerialize]
[PortLabelHidden]
public ControlInput enter { get; private set; }
[DoNotSerialize]
[Inspectable, InspectorLabel("Steps"), UnitHeaderInspectable("Steps")]
public int outputCount
{
get => _outputCount;
set => _outputCount = Mathf.Clamp(value, 1, 10);
}
[DoNotSerialize]
public ReadOnlyCollection<ControlOutput> multiOutputs { get; private set; }
protected override void Definition()
{
enter = ControlInputCoroutine(nameof(enter), Enter, EnterCoroutine);
var _multiOutputs = new List<ControlOutput>();
multiOutputs = _multiOutputs.AsReadOnly();
for (var i = 0; i < outputCount; i++)
{
var output = ControlOutput(i.ToString());
Succession(enter, output);
_multiOutputs.Add(output);
}
}
private ControlOutput Enter(Flow flow)
{
var stack = flow.PreserveStack();
foreach (var output in multiOutputs)
{
flow.Invoke(output);
flow.RestoreStack(stack);
}
flow.DisposePreservedStack(stack);
return null;
}
private IEnumerator EnterCoroutine(Flow flow)
{
var stack = flow.PreserveStack();
foreach (var output in multiOutputs)
{
yield return output;
flow.RestoreStack(stack);
}
flow.DisposePreservedStack(stack);
}
public void CopyFrom(Sequence source)
{
base.CopyFrom(source);
outputCount = source.outputCount;
}
}
}