70 lines
2.4 KiB
C#
70 lines
2.4 KiB
C#
// Assets/Scripts/World/Liquid/WaterDangerState.cs
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using BaseGames.Core.Events;
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using BaseGames.Player;
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using UnityEngine;
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namespace BaseGames.World.Liquid
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{
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/// <summary>
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/// 当玩家进入 Water 类型液体且未解锁游泳能力时，触发溺水倒计时。
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/// 订阅 EVT_LiquidEntered / EVT_LiquidExited 事件频道。
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/// </summary>
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public class WaterDangerState : MonoBehaviour
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{
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[SerializeField] private LiquidPhysicsConfigSO _config;
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[SerializeField] private PlayerStats _playerStats; // 检查 Swim 能力
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[SerializeField] private LiquidEventChannelSO _onLiquidEntered; // EVT_LiquidEntered
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[SerializeField] private LiquidEventChannelSO _onLiquidExited; // EVT_LiquidExited
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[SerializeField] private FloatEventChannelSO _onDrownProgress; // 0~1 倒计时进度（HUD 用）
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[SerializeField] private VoidEventChannelSO _onPlayerDrowned; // 触发死亡
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private float _drownTimer;
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private bool _isActive;
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private readonly CompositeDisposable _subs = new();
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private void Awake()
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{
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Debug.Assert(_config != null, "[WaterDangerState] _config 未赋值，请在 Inspector 中指定 LiquidPhysicsConfigSO。", this);
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}
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private void OnEnable()
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{
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_onLiquidEntered?.Subscribe(OnEnterLiquid).AddTo(_subs);
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_onLiquidExited?.Subscribe(OnExitLiquid).AddTo(_subs);
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}
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private void OnDisable() => _subs.Clear();
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public void OnEnterLiquid(LiquidEvent evt)
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{
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if (evt.LiquidType != nameof(LiquidType.Water)) return;
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if (_playerStats != null && _playerStats.HasAbility(AbilityType.Swim)) return;
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_isActive = true;
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_drownTimer = _config.DrownTime;
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}
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public void OnExitLiquid(LiquidEvent evt)
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{
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_isActive = false;
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_drownTimer = _config.DrownTime;
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_onDrownProgress?.Raise(0f);
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}
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private void Update()
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{
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if (!_isActive) return;
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_drownTimer -= Time.deltaTime;
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float drownTime = _config.DrownTime;
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_onDrownProgress?.Raise(1f - (_drownTimer / drownTime));
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if (_drownTimer <= 0f)
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{
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_isActive = false;
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_onPlayerDrowned?.Raise();
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}
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}
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}
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}
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