95 lines
2.7 KiB
C#
95 lines
2.7 KiB
C#
using System.ComponentModel;
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using UnityEngine;
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namespace Unity.VisualScripting
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{
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[SerializationVersion("A")]
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[TypeIcon(typeof(FlowGraph))]
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[DisplayName("Script State")]
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public sealed class FlowState : NesterState<FlowGraph, ScriptGraphAsset>, IGraphEventListener
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{
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public FlowState() { }
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public FlowState(ScriptGraphAsset macro) : base(macro) { }
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#region Lifecycle
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protected override void OnEnterImplementation(Flow flow)
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{
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if (flow.stack.TryEnterParentElement(this))
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{
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nest.graph.StartListening(flow.stack);
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flow.stack.TriggerEventHandler(hook => hook == StateEventHooks.OnEnterState, new EmptyEventArgs(), parent => parent is SubgraphUnit, false);
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flow.stack.ExitParentElement();
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}
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}
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protected override void OnExitImplementation(Flow flow)
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{
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if (flow.stack.TryEnterParentElement(this))
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{
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flow.stack.TriggerEventHandler(hook => hook == StateEventHooks.OnExitState, new EmptyEventArgs(), parent => parent is SubgraphUnit, false);
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nest.graph.StopListening(flow.stack);
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flow.stack.ExitParentElement();
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}
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}
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public void StartListening(GraphStack stack)
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{
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if (stack.TryEnterParentElement(this))
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{
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nest.graph.StartListening(stack);
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stack.ExitParentElement();
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}
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}
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public void StopListening(GraphStack stack)
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{
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if (stack.TryEnterParentElement(this))
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{
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nest.graph.StopListening(stack);
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stack.ExitParentElement();
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}
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}
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public bool IsListening(GraphPointer pointer)
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{
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return pointer.GetElementData<Data>(this).isActive;
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}
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#endregion
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#region Factory
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public override FlowGraph DefaultGraph()
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{
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return GraphWithEnterUpdateExit();
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}
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public static FlowState WithEnterUpdateExit()
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{
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var flowState = new FlowState();
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flowState.nest.source = GraphSource.Embed;
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flowState.nest.embed = GraphWithEnterUpdateExit();
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return flowState;
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}
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public static FlowGraph GraphWithEnterUpdateExit()
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{
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return new FlowGraph
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{
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units =
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{
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new OnEnterState { position = new Vector2(-205, -215) },
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new Update { position = new Vector2(-161, -38) },
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new OnExitState { position = new Vector2(-205, 145) }
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}
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};
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}
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#endregion
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}
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}
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