66 lines
2.2 KiB
C#
66 lines
2.2 KiB
C#
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// ReSharper disable once CheckNamespace
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namespace GodotStateCharts
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{
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using System;
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using Godot;
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/// <summary>
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/// Wrapper around the compound state node.
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/// </summary>
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public class CompoundState : StateChartState
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{
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/// <summary>
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/// Called when a child state is entered.
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/// </summary>
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public event Action ChildStateEntered
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{
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add => Wrapped.Connect(SignalName.ChildStateEntered, Callable.From(value));
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remove => Wrapped.Disconnect(SignalName.ChildStateEntered, Callable.From(value));
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}
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/// <summary>
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/// Called when a child state is exited.
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/// </summary>
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public event Action ChildStateExited
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{
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add => Wrapped.Connect(SignalName.ChildStateExited, Callable.From(value));
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remove => Wrapped.Disconnect(SignalName.ChildStateExited, Callable.From(value));
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}
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private CompoundState(Node wrapped) : base(wrapped)
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{
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}
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/// <summary>
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/// Creates a wrapper object around the given node and verifies that the node
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/// is actually a compound state. The wrapper object can then be used to interact
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/// with the compound state chart from C#.
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/// </summary>
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/// <param name="state">the node that is the state</param>
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/// <returns>a State wrapper.</returns>
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/// <throws>ArgumentException if the node is not a state.</throws>
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public new static CompoundState Of(Node state)
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{
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if (state.GetScript().As<Script>() is not GDScript gdScript ||
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!gdScript.ResourcePath.EndsWith("compound_state.gd"))
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{
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throw new ArgumentException("Given node is not a compound state.");
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}
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return new CompoundState(state);
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}
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public new class SignalName : StateChartState.SignalName
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{
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/// <see cref="CompoundState.ChildStateEntered"/>
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public static readonly StringName ChildStateEntered = "child_state_entered";
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/// <see cref="CompoundState.ChildStateExited"/>
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public static readonly StringName ChildStateExited = "child_state_exited";
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}
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}
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}
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