58 lines
1.8 KiB
C#
58 lines
1.8 KiB
C#
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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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/// Checks whether a variable is defined.
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/// </summary>
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[UnitTitle("Has Variable")]
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public sealed class IsVariableDefined : UnifiedVariableUnit
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{
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/// <summary>
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/// Whether the variable is defined.
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/// </summary>
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[DoNotSerialize]
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[PortLabel("Defined")]
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[PortLabelHidden]
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[PortKey("isDefined")]
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public ValueOutput isVariableDefined { get; private set; }
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protected override void Definition()
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{
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base.Definition();
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isVariableDefined = ValueOutput("isDefined", IsDefined);
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Requirement(name, isVariableDefined);
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if (kind == VariableKind.Object)
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{
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Requirement(@object, isVariableDefined);
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}
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}
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private bool IsDefined(Flow flow)
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{
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var name = flow.GetValue<string>(this.name);
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switch (kind)
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{
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case VariableKind.Flow:
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return flow.variables.IsDefined(name);
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case VariableKind.Graph:
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return Variables.Graph(flow.stack).IsDefined(name);
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case VariableKind.Object:
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return Variables.Object(flow.GetValue<GameObject>(@object)).IsDefined(name);
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case VariableKind.Scene:
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return Variables.Scene(flow.stack.scene).IsDefined(name);
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case VariableKind.Application:
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return Variables.Application.IsDefined(name);
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case VariableKind.Saved:
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return Variables.Saved.IsDefined(name);
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default:
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throw new UnexpectedEnumValueException<VariableKind>(kind);
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}
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}
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}
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}
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