GeWuYou c0274074b3 feat(state): 添加状态机系统核心功能实现
- 实现了基础状态机StateMachine类,支持状态注册、切换和生命周期管理
- 创建了上下文感知状态机ContextAwareStateMachine,能够感知架构上下文并发送状态变更事件
- 定义了IState和IStateMachine抽象接口,规范状态和状态机的行为契约
- 添加了StateChangedEvent事件类,用于通知状态变更
- 实现了游戏专用状态机GameStateMachine,提供类型安全的状态检查和获取功能
2026-01-15 23:04:41 +08:00

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namespace GFramework.Core.Abstractions.state;
/// <summary>
/// 状态机状态接口,定义了状态的基本行为和转换规则
/// </summary>
public interface IState
{
/// <summary>
/// 当状态被激活进入时调用
/// </summary>
/// <param name="from">从哪个状态转换而来可能为null表示初始状态</param>
void OnEnter(IState? from);
/// <summary>
/// 当状态退出时调用
/// </summary>
/// <param name="to">将要转换到的目标状态可能为null表示结束状态</param>
void OnExit(IState? to);
/// <summary>
/// 判断当前状态是否可以转换到目标状态
/// </summary>
/// <param name="target">目标状态</param>
/// <returns>如果可以转换则返回true否则返回false</returns>
bool CanTransitionTo(IState target);
}