88 lines
3.7 KiB
C#
88 lines
3.7 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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/// 下落状态。
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/// - 郊狼跳：CoyoteTimer > 0 时按跳跃 → 一段跳（JumpState，使用 JumpForce）。
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/// - 二段跳：CoyoteTimer 耗尽后按跳跃且 AirJumpsLeft > 0 → JumpState（使用 DoubleJumpForce）。
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/// - 空中冲刺：HasAbility(AirDash) && HasAerialDash → AerialDashState。
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/// - 增强下落重力（FallGravityMult）确保下落快于上升，手感紧实。
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/// </summary>
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public class FallState : PlayerStateBase
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{
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public FallState(PlayerController owner) : base(owner) { }
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public override void OnStateEnter()
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{
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if (AnimCfg?.Fall != null)
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Anim.Play(AnimCfg.Fall);
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}
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public override void OnStateUpdate()
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{
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// ── 跳跃输入（郊狼跳 / 二段跳）────────────────────────────────────
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if (Buffer.ConsumeJump())
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{
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if (Move.HasCoyoteTime)
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{
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// 郊狼跳：一段跳，使用 JumpForce
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_owner.TransitionTo(_owner.GetState<JumpState>());
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return;
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}
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if (Owner.AirJumpsLeft > 0)
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{
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// 二段跳：通过 SetDoubleJump 标记 JumpState 使用 DoubleJumpForce
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Owner.UseAirJump();
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Owner.GetState<JumpState>()?.SetDoubleJump(true);
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_owner.TransitionTo(_owner.GetState<JumpState>());
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return;
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}
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// 无跳跃机会：输入已消耗，静默忽略（无可用跳跃机会时静默消耗输入缓冲）
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}
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// ── 空中冲刺────────────────────────────────────────────────────────
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if (Buffer.ConsumeDash()
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&& Stats != null && Stats.HasAbility(AbilityType.AirDash))
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{
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var aerialDash = Owner.GetState<AerialDashState>();
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if (aerialDash != null && aerialDash.HasAerialDash)
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{
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_owner.TransitionTo(aerialDash);
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return;
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}
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}
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// ── 着地──────────────────────────────────────────────────────────
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if (Move.IsGrounded)
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{
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Move.ZeroVelocity();
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if (Mathf.Abs(Input.MoveInput.x) > 0.1f)
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_owner.TransitionTo(_owner.GetState<RunState>());
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else
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_owner.TransitionTo(_owner.GetState<IdleState>());
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return;
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}
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}
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public override void OnStateFixedUpdate()
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{
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// 空中水平移动：有输入时立即覆盖至目标速度；无输入时施加空气阻力保留动量
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if (Mathf.Abs(Input.MoveInput.x) > 0.01f)
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Move.Move(Input.MoveInput.x * Cfg.RunSpeed);
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else
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Move.ApplyAirDrag(Cfg.AirDragFactor);
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// 增强下落重力（FallGravityMult：下落比上升更快，手感更紧实）
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if (Move.Rb.velocity.y < 0f)
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{
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float extraGrav = Physics2D.gravity.y * (Cfg.FallGravityMult - 1f) * Time.fixedDeltaTime;
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Move.Rb.velocity = new Vector2(
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Move.Rb.velocity.x,
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Mathf.Max(Move.Rb.velocity.y + extraGrav, -Cfg.MaxFallSpeed));
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}
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}
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}
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}
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