227 lines
8.6 KiB
C#
227 lines
8.6 KiB
C#
using UnityEngine;
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using BaseGames.Combat;
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namespace BaseGames.Player.States
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{
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/// <summary>
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/// 地面攻击状态（任意段连击）。
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/// 攻速倍率（Stats.AnimatorSpeedMultiplier）缩放 clip 播放速度及 recoveryTime/comboTimeout。
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/// 状态机流程：
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/// 播放动画 → [comboInputOpen] 接受输入 → [cancelWindowOpen] 允许跳跃/冲刺 →
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/// 动画结束 → 硬直(recoveryTime) → 连击等待(comboTimeout) → 无输入则回 Idle
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/// </summary>
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public class AttackState : PlayerStateBase
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{
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private int _comboIndex;
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private bool _comboInputPending; // 连击窗口内已收到攻击输入
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private bool _comboWindowOpen; // 当前是否接受连击输入
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// 动画结束后的两阶段计时
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private bool _waitingAfterAnim; // 是否在动画结束后等待阶段
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private float _recoveryEndTime; // 硬直结束时刻
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private float _comboTimeoutEnd; // 连击等待结束时刻
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public AttackState(PlayerController owner) : base(owner) { }
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public override void OnStateEnter()
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{
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_comboIndex = 0;
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_comboInputPending = false;
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_comboWindowOpen = false;
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_waitingAfterAnim = false;
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Input.AttackEvent += OnAttackInput;
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PlayAttackClip();
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}
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public override void OnStateExit()
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{
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Input.AttackEvent -= OnAttackInput;
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Owner.Combat?.DisableAllWeaponHitBoxes();
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Move?.SetCancelWindowOpen(false);
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}
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public override void OnStateUpdate()
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{
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if (!_waitingAfterAnim)
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{
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// ── 动画播放中：只处理取消窗口（跳跃/冲刺打断）──────────────
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if (!Move.CancelWindowOpen) return;
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TryConsumeCancelInput();
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return;
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}
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// ── 动画结束后等待阶段 ─────────────────────────────────────────
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float now = Time.time;
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// 硬直结束后开放取消窗口
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if (!Move.CancelWindowOpen && now >= _recoveryEndTime)
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Move.SetCancelWindowOpen(true);
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// 有缓存的连击输入 → 立即推进
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if (_comboInputPending)
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{
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AdvanceCombo();
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return;
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}
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// 连击超时 → 返回 Idle
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if (now >= _comboTimeoutEnd)
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{
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Owner.TransitionTo(Owner.GetState<IdleState>());
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return;
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}
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// 恢复期结束后仍可跳跃/冲刺取消
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if (Move.CancelWindowOpen)
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TryConsumeCancelInput();
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}
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public override void OnStateFixedUpdate()
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{
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// 攻击动画播放期间无水平输入，仍需每帧调用 Move(0) 叠加 _platformVelocity.x，
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// 使玩家在移动平台上攻击时仍随平台同步移动。
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if (Move.IsGrounded)
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Move.Move(0f);
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}
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// ── 内部 ──────────────────────────────────────────────────────────────
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private void PlayAttackClip()
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{
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_waitingAfterAnim = false;
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_comboWindowOpen = false;
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Move.SetCancelWindowOpen(false);
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var weapon = Owner.Weapon?.ActiveWeapon;
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if (weapon == null)
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{
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UnityEngine.Debug.LogWarning("[AttackState] 未找到 ActiveWeapon，请检查 WeaponManager 配置。");
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Owner.TransitionTo(Owner.GetState<IdleState>());
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return;
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}
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var step = weapon.GetGroundStep(_comboIndex);
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if (step.clip == null || step.clip.Clip == null)
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{
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UnityEngine.Debug.LogWarning($"[AttackState] 连击段 {_comboIndex} 动画未配置，请检查 {weapon.weaponId}。");
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Owner.TransitionTo(Owner.GetState<IdleState>());
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return;
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}
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float spd = Stats?.AnimatorSpeedMultiplier ?? 1f;
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var animState = Anim.Play(step.clip);
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animState.Speed *= spd; // 在 ClipTransition 自身速度基础上叠加攻速
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// 每次重播同一 ClipTransition 会复用同一 AnimancerState，
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// 必须先清除旧事件再注册新事件，否则回调会累积叠加。
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var events = animState.Events(this);
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events.Clear();
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events.OnEnd = OnClipEnd;
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// HitBox 时间窗口（capture step by value for closure safety）
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var capturedStep = step;
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events.Add(capturedStep.hitBoxEnter, () =>
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Owner.Combat?.EnableWeaponHitBox(AttackDirection.Ground,
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capturedStep.hitBoxId, capturedStep.damageSource));
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events.Add(capturedStep.hitBoxExit, () => Owner.Combat?.DisableAllWeaponHitBoxes());
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// 连击输入窗口
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if (capturedStep.comboInputOpen > 0f)
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{
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events.Add(capturedStep.comboInputOpen, () =>
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{
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_comboWindowOpen = true;
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// 窗口刚开时，补检查 InputBuffer——玩家可能在窗口前就提前按键
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if (!_comboInputPending && Buffer.ConsumeAttack())
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_comboInputPending = true;
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});
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}
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else
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{
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_comboWindowOpen = true;
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if (!_comboInputPending && Buffer.ConsumeAttack())
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_comboInputPending = true;
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}
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if (capturedStep.comboInputClose > 0f)
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events.Add(capturedStep.comboInputClose, () => _comboWindowOpen = false);
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// 取消窗口（跳跃/冲刺）
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if (capturedStep.cancelWindowOpen > 0f)
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events.Add(capturedStep.cancelWindowOpen, () => Move.SetCancelWindowOpen(true));
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}
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private void OnClipEnd()
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{
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Owner.Combat?.DisableAllWeaponHitBoxes();
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_comboWindowOpen = false;
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Move.SetCancelWindowOpen(false);
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// 有缓存连击输入且还不是最后一段 → 零延迟推进到下一段
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if (_comboInputPending)
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{
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_comboInputPending = false;
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int maxCombo = Owner.Weapon?.ActiveWeapon?.GroundComboCount ?? 1;
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if (_comboIndex < maxCombo - 1)
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{
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_comboIndex++;
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PlayAttackClip();
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return; // 新动画已开始，不进入等待阶段
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}
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// 已是最后一段：消耗掉多余输入，继续进入等待阶段（不 return）
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}
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// 进入动画后等待阶段。
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// 必须播放新动画（Idle），否则 Animancer End Event 会在每帧重复触发 OnClipEnd。
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if (AnimCfg?.Idle != null)
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Anim.Play(AnimCfg.Idle);
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var step = Owner.Weapon?.ActiveWeapon?.GetGroundStep(_comboIndex) ?? default;
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float spd = Stats?.AnimatorSpeedMultiplier ?? 1f;
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float now = Time.time;
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_waitingAfterAnim = true;
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_recoveryEndTime = now + step.recoveryTime / spd;
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_comboTimeoutEnd = _recoveryEndTime + step.comboTimeout / spd;
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}
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private void AdvanceCombo()
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{
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int maxCombo = Owner.Weapon?.ActiveWeapon?.GroundComboCount ?? 1;
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if (_comboIndex < maxCombo - 1)
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{
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_comboIndex++;
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_comboInputPending = false;
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PlayAttackClip();
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}
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else
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{
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// 已是最后一段，忽略多余输入，等待超时回 Idle
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_comboInputPending = false;
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}
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}
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private void TryConsumeCancelInput()
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{
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if (Buffer.ConsumeJump())
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{
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Owner.TransitionTo(Owner.GetState<JumpState>());
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return;
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}
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var ds = Owner.GetState<DashState>();
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if (ds != null && ds.CanDash
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&& Stats != null && Stats.HasAbility(AbilityType.Dash)
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&& Buffer.ConsumeDash())
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{
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Owner.TransitionTo(ds);
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}
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}
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private void OnAttackInput()
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{
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if (_comboWindowOpen || _waitingAfterAnim)
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_comboInputPending = true;
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}
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}
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}
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