StateController 状态控制器

// 示例：根据当前 State 切换图片
[RequireComponent(typeof(Image))]
public class ExampleImageSpriteBinding : StateValueBinding<Sprite>
{
    private Image m_TargetImage;

    protected override void InitializeTarget()
    {
        m_TargetImage = GetComponent<Image>();
    }

    protected override void ApplyValue(Sprite value)
    {
        m_TargetImage.sprite = value;
    }
}

// 示例：根据布尔结果控制 GameObject 激活状态
public class ExampleGameObjectActiveBinding : BooleanStateBinding
{
    private GameObject m_TargetGameObject;

    protected override void InitializeTarget()
    {
        m_TargetGameObject = gameObject;
    }

    protected override void ApplyValue(bool value)
    {
        m_TargetGameObject.SetActive(value);
    }
}

// 获取控制器
StateController controller = GetComponent<StateController>();

// 通过名称设置当前状态
controller.SetCurrentStateName("GroupName", "StateName");

// 通过索引设置当前状态
controller.SetCurrentStateIndex("GroupName", 0);

// 获取当前状态
string currentName = controller.GetCurrentStateName("GroupName");
int currentIndex = controller.GetCurrentStateIndex("GroupName");

// 获取所有状态名
string[] stateNames = controller.GetStateNames("GroupName");

// 获取 Group
StateGroup group = controller.GetGroup("GroupName");

// 设置当前状态
group.CurrentStateName = "StateName";
group.CurrentStateIndex = 0;

// 监听当前状态变化
group.CurrentStateNameChanged += name => Debug.Log($"State changed to: {name}");
group.CurrentStateIndexChanged += index => Debug.Log($"Index changed to: {index}");