96 lines
2.6 KiB
C#
96 lines
2.6 KiB
C#
using System.Collections.Generic;
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using System.Linq;
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using UnityEngine;
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namespace Unity.VisualScripting
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{
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/// <summary>
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/// Triggers a custom event.
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/// </summary>
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[UnitSurtitle("Custom Event")]
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[UnitShortTitle("Trigger")]
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[TypeIcon(typeof(CustomEvent))]
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[UnitCategory("Events")]
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[UnitOrder(1)]
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public sealed class TriggerCustomEvent : Unit
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{
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[SerializeAs(nameof(argumentCount))]
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private int _argumentCount;
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[DoNotSerialize]
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public List<ValueInput> arguments { get; private set; }
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[DoNotSerialize]
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[Inspectable, UnitHeaderInspectable("Arguments")]
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public int argumentCount
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{
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get => _argumentCount;
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set => _argumentCount = Mathf.Clamp(value, 0, 10);
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}
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/// <summary>
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/// The entry point to trigger the event.
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/// </summary>
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[DoNotSerialize]
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[PortLabelHidden]
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public ControlInput enter { get; private set; }
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/// <summary>
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/// The name of the event.
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/// </summary>
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[DoNotSerialize]
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[PortLabelHidden]
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public ValueInput name { get; private set; }
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/// <summary>
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/// The target of the event.
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/// </summary>
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[DoNotSerialize]
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[PortLabelHidden]
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[NullMeansSelf]
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public ValueInput target { get; private set; }
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/// <summary>
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/// The action to do after the event has been triggered.
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/// </summary>
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[DoNotSerialize]
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[PortLabelHidden]
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public ControlOutput exit { get; private set; }
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protected override void Definition()
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{
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enter = ControlInput(nameof(enter), Trigger);
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exit = ControlOutput(nameof(exit));
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name = ValueInput(nameof(name), string.Empty);
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target = ValueInput<GameObject>(nameof(target), null).NullMeansSelf();
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arguments = new List<ValueInput>();
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for (var i = 0; i < argumentCount; i++)
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{
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var argument = ValueInput<object>("argument_" + i);
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arguments.Add(argument);
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Requirement(argument, enter);
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}
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Requirement(name, enter);
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Requirement(target, enter);
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Succession(enter, exit);
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}
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private ControlOutput Trigger(Flow flow)
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{
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var target = flow.GetValue<GameObject>(this.target);
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var name = flow.GetValue<string>(this.name);
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var arguments = this.arguments.Select(flow.GetConvertedValue).ToArray();
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CustomEvent.Trigger(target, name, arguments);
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return exit;
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}
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}
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}
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