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refactor(enemy): FlyingDirectNavigator 改名 FlyingNavigator 并切换到 IEnemyNavigator

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This commit is contained in:
joywayer
2026-07-28 11:17:34 +08:00
parent c041712e99
commit 49627d357d
2 changed files with 33 additions and 69 deletions
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Assets/_Game/Scripts/Enemies/Navigation/FlyingDirectNavigator.cs → Assets/_Game/Scripts/Enemies/Navigation/FlyingNavigator.cs
+33 -69
View File
@@ -1,25 +1,23 @@
using System;
using UnityEngine;
using BaseGames.Enemies;
namespace BaseGames.Enemies.Navigation
{
/// <summary>
/// 飞行单位直线导航代理。
/// 不依赖 PathBerserker2d 寻路，直接通过 Rigidbody2D.MovePosition 向目标点直飞。
/// 飞行单位直线导航代理，实现 <see cref="IEnemyNavigator"/>。
/// 不依赖寻路网格，直接通过 Rigidbody2D.MovePosition 向目标点直飞。
///
/// 特性：
/// <list type="bullet">
/// <item>空闲时施加正弦波形悬停偏移，产生飘浮感。</item>
/// <item>NavLink 相关成员均返回安全默认值（飞行单位不使用平台连接段）。</item>
/// <item>目标到达后触发 <see cref="OnGoalReached"/> 事件（替代轮询 IsAtDestination）。</item>
/// <item>飞行单位直飞，无地形阻挡概念，<see cref="IsBlocked"/> 恒为 false。</item>
/// </list>
///
/// 使用方式：挂载到飞行怪 Prefab 根节点，替代 EnemyNavAgent；
/// <see cref="EnemyBase.Awake"/> 的 GetComponent&lt;IPathAgent&gt;() 自动发现此组件。
/// <see cref="EnemyBase.Awake"/> 的 GetComponent&lt;IEnemyNavigator&gt;() 自动发现此组件。
/// </summary>
[RequireComponent(typeof(Rigidbody2D))]
public sealed class FlyingDirectNavigator : MonoBehaviour, IPathAgent
public sealed class FlyingNavigator : MonoBehaviour, IEnemyNavigator
{
[Header("移动参数")]
[Tooltip("直飞速度（m/s）")]
@@ -27,7 +25,7 @@ namespace BaseGames.Enemies.Navigation
[Tooltip("到达目标的判定距离（m）")]
[SerializeField] private float _stoppingDist = 0.15f;
[Header("游荡参数（WalkToRandom）")]
[Header("游荡参数（TryPickWanderPoint）")]
[Tooltip("随机游荡目标点距当前位置的最大半径（m）。")]
[Min(0.1f)]
[SerializeField] private float _randomWalkRadius = 3f;
@@ -42,33 +40,23 @@ namespace BaseGames.Enemies.Navigation
[Tooltip("横向方向翻转周期（s）")]
[SerializeField] private float _hoverFlipInterval = 1.5f;
// ── IPathAgent 事件 ────────────────────────────────────────────
public event Action<NavLinkType> OnLinkStarted { add { } remove { } }
public event Action<NavLinkType> OnLinkCompleted { add { } remove { } }
public event Action OnNavPathFailed { add { } remove { } }
public event Action OnGoalReached;
// ── 状态 ───────────────────────────────────────────────────────
private Rigidbody2D _rb;
private EnemyMovement _movement;
private Vector2? _destination;
private bool _isMoving;
private bool _goalFired;
private Vector2 _target;
private bool _hasTarget;
private bool _arrived;
private float _hoverTimer;
private float _hoverFlipTimer;
private float _hoverDir = 1f;
// ── IPathAgent 属性 ────────────────────────────────────────────
public bool IsMoving => _isMoving;
public bool IsOnLink => false;
public NavLinkType CurrentLinkType => NavLinkType.None;
public Vector2 CurrentLinkStart => Vector2.zero;
public Vector2 CurrentLinkEnd => Vector2.zero;
// ── IEnemyNavigator 属性 ────────────────────────────────────────
public bool IsMoving => _hasTarget && !_arrived;
public bool HasArrived => _arrived;
// 飞行单位直飞、始终可达，无"受阻/最近可达点"概念。
public bool LastMoveObstructed => false;
public bool TryGetClosestReachable(out Vector2 worldPos) { worldPos = Vector2.zero; return false; }
// 飞行单位直飞，无地形阻挡概念。
public bool IsBlocked => false;
// ── Unity 生命周期 ─────────────────────────────────────────────
private void Awake()
@@ -81,56 +69,38 @@ namespace BaseGames.Enemies.Navigation
private void FixedUpdate()
{
if (_destination.HasValue)
if (_hasTarget && !_arrived)
UpdateChase();
else
UpdateHover();
}
// ── IPathAgent 方法 ────────────────────────────────────────────
public void RequestMoveTo(Vector2 target)
// ── IEnemyNavigator 方法 ────────────────────────────────────────
public void MoveTowards(Vector2 target)
{
_destination = target;
_isMoving = true;
_goalFired = false;
// 幂等：同目标重复调用不重置状态（避免每帧重发目标导致已到达状态被反复清空）。
if (_hasTarget && (target - _target).sqrMagnitude <= 1e-6f)
return;
_target = target;
_hasTarget = true;
_arrived = false;
}
public void StopNavigation()
public void Stop()
{
_destination = null;
_isMoving = false;
_hasTarget = false;
_arrived = false;
_rb.velocity = Vector2.zero;
}
public bool IsAtDestination()
{
if (!_destination.HasValue) return true;
return ((Vector2)transform.position - _destination.Value).sqrMagnitude
<= _stoppingDist * _stoppingDist;
}
public void SetSpeed(float speed) => _moveSpeed = speed;
public bool IsNearEdge() => false; // 飞行单位不检测平台边缘
public bool CanReach(Vector2 target) => true; // 飞行单位直飞，始终可达
public bool WalkToRandom()
public bool TryPickWanderPoint(out Vector2 point)
{
// 在当前位置随机偏移一个 2D 方向（供 BD_WalkRandom 调用）
Vector2 offset = UnityEngine.Random.insideUnitCircle.normalized * _randomWalkRadius;
RequestMoveTo((Vector2)transform.position + offset);
return true;
}
// 飞行单位无"导航段"概念，其 WalkToRandom 本就是当前位置的有界局部偏移，
// 天然满足"就近游走"语义，直接复用。
public bool WalkToRandomOnSegment() => WalkToRandom();
// 飞行单位直飞、无地面/崖沿/身体宽度约束——任意目标本就"站得住"，原样返回即可。
public bool ResolveStandablePoint(Vector2 target, out Vector2 standable)
{
standable = target;
// 在当前位置随机偏移一个 2D 方向，供上层游荡状态调用；不主动发起移动。
Vector2 offset = Random.insideUnitCircle.normalized * _randomWalkRadius;
point = (Vector2)transform.position + offset;
return true;
}
@@ -138,19 +108,13 @@ namespace BaseGames.Enemies.Navigation
private void UpdateChase()
{
Vector2 myPos = _rb.position;
Vector2 target = _destination.Value;
Vector2 target = _target;
float sqrDist = (target - myPos).sqrMagnitude;
if (sqrDist <= _stoppingDist * _stoppingDist)
{
_rb.velocity = Vector2.zero;
_isMoving = false;
_destination = null;
if (!_goalFired)
{
_goalFired = true;
OnGoalReached?.Invoke();
}
_arrived = true;
return;
}
Assets/_Game/Scripts/Enemies/Navigation/FlyingDirectNavigator.cs.meta → Assets/_Game/Scripts/Enemies/Navigation/FlyingNavigator.cs.meta
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