90 lines
3.4 KiB
C#
90 lines
3.4 KiB
C#
using UnityEngine;
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namespace BaseGames.Player.States
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{
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/// <summary>
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/// 空中冲刺状态（架构 05_PlayerModule §12）。
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/// 与地面 DashState 独立，消耗 MaxAerialDashes 次数；
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/// 冲刺方向在进入时锁定为当前朝向（进入时锁定朝向，冲刺期间不可通过输入改变方向）。
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/// </summary>
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public class AerialDashState : PlayerStateBase
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{
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private float _timer;
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private int _aerialDashesLeft;
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private int _facingDir;
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public bool HasAerialDash => _aerialDashesLeft > 0;
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// ── IsInvincible 不再在状态层硬编码，与 DashState 保持一致：
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// 实际无敌用 Stats.BeginInvincibility(DashInvincibilityDuration) 面题。
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// PlayerController.TakeDamage 已将 Stats.IsInvincible 纳入硬直判断。
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public AerialDashState(PlayerController owner) : base(owner)
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{
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_aerialDashesLeft = 1;
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}
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public override void OnStateEnter()
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{
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_aerialDashesLeft = Mathf.Max(0, _aerialDashesLeft - 1);
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_facingDir = Owner.FacingDirection;
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_timer = Cfg.DashDuration;
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// 无敌帧：与地面冲刺共享同一无敌 CD（DashState._invincibilityCooldownTimer）
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// 条件 1：已解锁 InvincibleDash
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// 条件 2：共享无敌冷却已就绪
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var dashState = Owner.GetState<DashState>();
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if (Stats != null && Stats.HasAbility(AbilityType.InvincibleDash)
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&& dashState != null && dashState.CanGrantInvincibility)
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{
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Stats.BeginInvincibility(Cfg.DashInvincibilityDuration);
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dashState.ResetInvincibilityCooldown(Cfg.DashInvincibilityCooldown);
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}
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// 关闭重力，施加冲刺速度（方向锁定为进入时朝向，不受输入影响）
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Move?.SetGravityScale(0f);
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Move?.Dash(new Vector2(_facingDir, 0f), Cfg.DashSpeed);
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// 播放冲刺动画（复用地面冲刺动画）
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if (AnimCfg?.Dash != null) Anim?.Play(AnimCfg.Dash);
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}
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public override void OnStateUpdate()
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{
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_timer -= Time.deltaTime;
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if (_timer <= 0f)
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{
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Move?.SetGravityScale(Cfg.DefaultGravityScale);
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Owner.TransitionTo(Owner.GetState<FallState>());
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return;
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}
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// 撞墙立即终止冲刺（碰到实体墙立即中止，避免压墙卡住）
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var wd = Owner.WallDetector;
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if (wd != null && wd.IsTouchingWall && wd.WallDirection == _facingDir)
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{
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Move?.SetGravityScale(Cfg.DefaultGravityScale);
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Owner.TransitionTo(Owner.GetState<FallState>());
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}
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}
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public override void OnStateExit()
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{
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Move?.SetGravityScale(Cfg.DefaultGravityScale);
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}
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public override void OnStateFixedUpdate()
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{
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// 冲刺期间保持锁定方向速度（与 DashState 一致，使用 _facingDir）
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if (_timer > 0f)
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Move?.Dash(new Vector2(_facingDir, 0f), Cfg.DashSpeed);
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}
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/// <summary>着地时重置空中冲刺次数（由 PlayerController 在着地时调用）。</summary>
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public void ResetAerialDashes()
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{
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_aerialDashesLeft = Cfg.MaxAerialDashes;
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}
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}
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}
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