GFramework/GFramework.Core.Tests/State/ConditionalStateV2.cs
gewuyou ff553977e3 chore(license): 补齐 Apache-2.0 文件头治理
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2026-05-03 19:39:49 +08:00

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// Copyright (c) 2025-2026 GeWuYou
// SPDX-License-Identifier: Apache-2.0
using GFramework.Core.Abstractions.State;
namespace GFramework.Core.Tests.State;
/// <summary>
/// 条件状态实现类V2版本支持基于类型的条件转换规则。
/// </summary>
public sealed class ConditionalStateV2 : IState
{
/// <summary>
/// 获取或设置允许转换到的状态类型数组。
/// </summary>
public Type[] AllowedTransitions { get; set; } = Array.Empty<Type>();
/// <summary>
/// 获取进入状态是否被调用的标志。
/// </summary>
public bool EnterCalled { get; private set; }
/// <summary>
/// 获取退出状态是否被调用的标志。
/// </summary>
public bool ExitCalled { get; private set; }
/// <summary>
/// 获取进入此状态的来源状态。
/// </summary>
public IState? EnterFrom { get; private set; }
/// <summary>
/// 获取从此状态退出的目标状态。
/// </summary>
public IState? ExitTo { get; private set; }
/// <summary>
/// 进入当前状态时调用的方法。
/// </summary>
/// <param name="from">从哪个状态进入。</param>
public void OnEnter(IState? from)
{
EnterCalled = true;
EnterFrom = from;
}
/// <summary>
/// 退出当前状态时调用的方法。
/// </summary>
/// <param name="to">退出到哪个状态。</param>
public void OnExit(IState? to)
{
ExitCalled = true;
ExitTo = to;
}
/// <summary>
/// 判断是否可以转换到目标状态。
/// </summary>
/// <param name="target">目标状态。</param>
/// <returns>如果目标状态类型在允许列表中则返回 <see langword="true" />,否则返回 <see langword="false" />。</returns>
public bool CanTransitionTo(IState target)
{
return AllowedTransitions.Contains(target.GetType());
}
}