66 lines
1.9 KiB
C#
66 lines
1.9 KiB
C#
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using System.Collections.Generic;
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using System.Linq;
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namespace Unity.VisualScripting
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{
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[Analyser(typeof(FlowStateTransition))]
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public class FlowStateTransitionAnalyser : NesterStateTransitionAnalyser<FlowStateTransition>
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{
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public FlowStateTransitionAnalyser(GraphReference reference, FlowStateTransition transition) : base(reference, transition) { }
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protected override bool IsTraversed()
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{
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var graph = transition.nest.graph;
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if (graph == null)
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{
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return false;
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}
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using (var recursion = Recursion.New(1))
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{
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foreach (var trigger in graph.GetUnitsRecursive(recursion).OfType<TriggerStateTransition>())
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{
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if (trigger.Analysis<UnitAnalysis>(context).isEntered)
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{
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return true;
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}
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}
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}
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return false;
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}
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protected override IEnumerable<Warning> Warnings()
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{
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foreach (var baseWarning in base.Warnings())
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{
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yield return baseWarning;
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}
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var graph = transition.nest.graph;
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if (graph == null)
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{
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yield break;
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}
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using (var recursion = Recursion.New(1))
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{
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if (!graph.GetUnitsRecursive(recursion).OfType<IEventUnit>().Any())
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{
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yield return Warning.Caution("Transition graph is missing an event.");
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}
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}
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using (var recursion = Recursion.New(1))
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{
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if (!graph.GetUnitsRecursive(recursion).OfType<TriggerStateTransition>().Any())
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{
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yield return Warning.Caution("Transition graph is missing a trigger unit.");
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}
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}
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}
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}
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}
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