MusicBeat

Assets/Scripts/MainGame/Items/PassiveEquipments/DecayAccelerationCoil.cs

@@ -0,0 +1,101 @@
+using System;
+using System.Collections.Generic;
+using Cielonos.MainGame.Buffs.Character;
+using Cielonos.MainGame.Characters;
+using SLSUtilities.General;
+using UnityEngine;
+
+namespace Cielonos.MainGame.Inventory.Collections
+{
+    /// <summary>
+    /// 衰变加速线圈 / Decay Acceleration Coil (Passive, Graham)
+    /// 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。
+    /// </summary>
+    public class DecayAccelerationCoil : PassiveEquipmentBase
+    {
+        private const string EventKey = nameof(DecayAccelerationCoil);
+
+        /// <summary>
+        /// 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。
+        /// </summary>
+        private readonly Dictionary<CharacterBase, float> _modifiedEnemies = new();
+
+        public override void OnObtained()
+        {
+            base.OnObtained();
+
+            auraSm = new AuraSubmodule(this, passiveAttributeSm.GetItemAttribute("AuraRadius"));
+
+            Action<CharacterBase> onEnter = OnEnemyEnterAura;
+            Action<CharacterBase> onExit = OnEnemyExitAura;
+            Action<CharacterBase> onStay = OnEnemyStayAura;
+
+            auraSm.onOtherEnterAura.Add(EventKey, onEnter.ToPrioritized());
+            auraSm.onOtherExitAura.Add(EventKey, onExit.ToPrioritized());
+            auraSm.onOtherStayAura.Add(EventKey, onStay.ToPrioritized());
+        }
+
+        public override void OnDiscarded()
+        {
+            // 恢复所有被修改的 Decay 间隔
+            auraSm?.Dispose();
+            _modifiedEnemies.Clear();
+
+            base.OnDiscarded();
+        }
+
+        protected override void Update()
+        {
+            base.Update();
+            auraSm?.Update(player.selfTimeSm.DeltaTime);
+        }
+
+        /// <summary>
+        /// 敌人进入光环时，尝试加速其 Decay 间隔。
+        /// </summary>
+        private void OnEnemyEnterAura(CharacterBase enemy)
+        {
+            TryAccelerateDecay(enemy);
+        }
+
+        /// <summary>
+        /// 敌人持续处于光环内时，检查是否有新施加的 Decay 需要加速。
+        /// </summary>
+        private void OnEnemyStayAura(CharacterBase enemy)
+        {
+            if (_modifiedEnemies.ContainsKey(enemy)) return;
+            TryAccelerateDecay(enemy);
+        }
+
+        /// <summary>
+        /// 敌人离开光环时，恢复其 Decay 间隔。
+        /// </summary>
+        private void OnEnemyExitAura(CharacterBase enemy)
+        {
+            RestoreDecayInterval(enemy);
+        }
+
+        /// <summary>
+        /// 尝试加速目标身上的 Decay 伤害间隔。
+        /// </summary>
+        private void TryAccelerateDecay(CharacterBase enemy)
+        {
+            if (!enemy.buffSm.TryGetBuff(out Decay decay)) return;
+            if (_modifiedEnemies.ContainsKey(enemy)) return;
+
+            _modifiedEnemies[enemy] = decay.Interval;
+            float acceleratedInterval = decay.Interval * passiveAttributeSm.GetItemAttribute("IntervalMultiplier");
+            decay.timeSubmodule.intervalActions[0].SetInterval(acceleratedInterval);
+        }
+
+        /// <summary>
+        /// 恢复目标身上的 Decay 伤害间隔至原始值。
+        /// </summary>
+        private void RestoreDecayInterval(CharacterBase enemy)
+        {
+            if (!_modifiedEnemies.Remove(enemy, out float originalInterval)) return;
+            if (!enemy.buffSm.TryGetBuff(out Decay decay)) return;
+            decay.timeSubmodule.intervalActions[0].SetInterval(originalInterval);
+        }
+    }
+}

Assets/Scripts/MainGame/Items/PassiveEquipments/DecayAccelerationCoil.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 42c37456513125040b6ec211c2472168

Assets/Scripts/MainGame/Items/PassiveEquipments/DecayPropagator.cs

@@ -43,7 +43,7 @@ namespace Cielonos.MainGame.Inventory.Collections
         private void SpreadDecay(Fusion fusion, AttackAreaBase attackArea)
         {
             CharacterBase target = fusion.attachedCharacter;
-            List<CharacterBase> affectedTargets = CombatManager.EnemySm.GetEnemiesInRadius(target.centerPosition, 10f);
+            List<Enemy> affectedTargets = CombatManager.EnemySm.GetEnemiesInRadius(target.centerPosition, 10f);
             float decayDamage = passiveAttributeSm.GetItemAttribute("DecayDamage");
             affectedTargets.ForEach(t => new Decay(decayDamage).Apply(t));
         }