102 lines
3.5 KiB
C#
102 lines
3.5 KiB
C#
using System;
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using System.Collections.Generic;
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using Cielonos.MainGame.Buffs.Character;
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using Cielonos.MainGame.Characters;
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using SLSUtilities.General;
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using UnityEngine;
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namespace Cielonos.MainGame.Inventory.Collections
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{
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/// <summary>
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/// 衰变加速线圈 / Decay Acceleration Coil (Passive, Graham)
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/// 玩家光环范围（15m）内的敌人，其 Decay 伤害间隔缩短 50%。离开光环后恢复。
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/// </summary>
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public class DecayAccelerationCoil : PassiveEquipmentBase
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{
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private const string EventKey = nameof(DecayAccelerationCoil);
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/// <summary>
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/// 记录已被修改 Decay 间隔的敌人及其原始间隔值，用于离开光环时恢复。
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/// </summary>
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private readonly Dictionary<CharacterBase, float> _modifiedEnemies = new();
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public override void OnObtained()
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{
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base.OnObtained();
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auraSm = new AuraSubmodule(this, passiveAttributeSm.GetItemAttribute("AuraRadius"));
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Action<CharacterBase> onEnter = OnEnemyEnterAura;
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Action<CharacterBase> onExit = OnEnemyExitAura;
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Action<CharacterBase> onStay = OnEnemyStayAura;
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auraSm.onOtherEnterAura.Add(EventKey, onEnter.ToPrioritized());
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auraSm.onOtherExitAura.Add(EventKey, onExit.ToPrioritized());
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auraSm.onOtherStayAura.Add(EventKey, onStay.ToPrioritized());
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}
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public override void OnDiscarded()
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{
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// 恢复所有被修改的 Decay 间隔
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auraSm?.Dispose();
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_modifiedEnemies.Clear();
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base.OnDiscarded();
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}
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protected override void Update()
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{
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base.Update();
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auraSm?.Update(player.selfTimeSm.DeltaTime);
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}
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/// <summary>
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/// 敌人进入光环时，尝试加速其 Decay 间隔。
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/// </summary>
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private void OnEnemyEnterAura(CharacterBase enemy)
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{
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TryAccelerateDecay(enemy);
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}
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/// <summary>
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/// 敌人持续处于光环内时，检查是否有新施加的 Decay 需要加速。
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/// </summary>
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private void OnEnemyStayAura(CharacterBase enemy)
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{
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if (_modifiedEnemies.ContainsKey(enemy)) return;
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TryAccelerateDecay(enemy);
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}
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/// <summary>
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/// 敌人离开光环时，恢复其 Decay 间隔。
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/// </summary>
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private void OnEnemyExitAura(CharacterBase enemy)
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{
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RestoreDecayInterval(enemy);
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}
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/// <summary>
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/// 尝试加速目标身上的 Decay 伤害间隔。
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/// </summary>
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private void TryAccelerateDecay(CharacterBase enemy)
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{
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if (!enemy.buffSm.TryGetBuff(out Decay decay)) return;
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if (_modifiedEnemies.ContainsKey(enemy)) return;
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_modifiedEnemies[enemy] = decay.Interval;
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float acceleratedInterval = decay.Interval * passiveAttributeSm.GetItemAttribute("IntervalMultiplier");
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decay.timeSubmodule.intervalActions[0].SetInterval(acceleratedInterval);
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}
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/// <summary>
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/// 恢复目标身上的 Decay 伤害间隔至原始值。
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/// </summary>
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private void RestoreDecayInterval(CharacterBase enemy)
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{
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if (!_modifiedEnemies.Remove(enemy, out float originalInterval)) return;
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if (!enemy.buffSm.TryGetBuff(out Decay decay)) return;
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decay.timeSubmodule.intervalActions[0].SetInterval(originalInterval);
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}
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}
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}
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