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Assets/02_Scripts/Cave/StalactiteFallTrigger.cs

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+using System.Collections;
+using UnityEngine;
+
+public class StalactiteFallTrigger : MonoBehaviour
+{
+    [Header("References")]
+    [SerializeField] private FallingStalactite[] stalactites;
+
+    [Header("Trigger Settings")]
+    [SerializeField] private bool triggerOnce = true;
+
+    [Tooltip("RaftDamageReceiver가 붙은 RaftHitBox가 들어왔을 때만 작동합니다.")]
+    [SerializeField] private bool requireRaftDamageReceiver = true;
+
+    [Tooltip("특정 태그가 들어왔을 때도 작동시키고 싶으면 입력합니다. 비워두면 태그 검사를 하지 않습니다.")]
+    [SerializeField] private string targetTag = "";
+
+    [Tooltip("트리거 후 종유석이 떨어지기까지의 추가 지연 시간입니다.")]
+    [SerializeField] private float triggerDelay = 0f;
+
+    [Tooltip("여러 종유석을 순차적으로 떨어뜨릴 때 간격입니다.")]
+    [SerializeField] private float intervalBetweenStalactites = 0.15f;
+
+    [Header("Debug")]
+    [SerializeField] private bool showDebugLog = true;
+
+    private bool hasTriggered;
+    private Coroutine triggerRoutine;
+
+    private void Reset()
+    {
+        Collider col = GetComponent<Collider>();
+
+        if (col != null)
+            col.isTrigger = true;
+    }
+
+    private void Awake()
+    {
+        Collider col = GetComponent<Collider>();
+
+        if (col != null)
+            col.isTrigger = true;
+
+        if (stalactites == null || stalactites.Length == 0)
+        {
+            stalactites = GetComponentsInChildren<FallingStalactite>(true);
+        }
+    }
+
+    private void OnTriggerEnter(Collider other)
+    {
+        TryTrigger(other);
+    }
+
+    private void TryTrigger(Collider other)
+    {
+        if (triggerOnce && hasTriggered)
+            return;
+
+        if (!IsValidTarget(other))
+            return;
+
+        hasTriggered = true;
+
+        if (triggerRoutine != null)
+            StopCoroutine(triggerRoutine);
+
+        triggerRoutine = StartCoroutine(TriggerRoutine());
+
+        if (showDebugLog)
+            Debug.Log($"[StalactiteFallTrigger] {name} 작동. 감지 대상: {other.name}", this);
+    }
+
+    private bool IsValidTarget(Collider other)
+    {
+        if (other == null)
+            return false;
+
+        bool valid = false;
+
+        if (requireRaftDamageReceiver)
+        {
+            RaftDamageReceiver receiver = other.GetComponentInParent<RaftDamageReceiver>();
+            if (receiver != null)
+                valid = true;
+        }
+
+        if (!string.IsNullOrEmpty(targetTag))
+        {
+            if (other.CompareTag(targetTag))
+                valid = true;
+        }
+
+        if (!requireRaftDamageReceiver && string.IsNullOrEmpty(targetTag))
+        {
+            valid = true;
+        }
+
+        return valid;
+    }
+
+    private IEnumerator TriggerRoutine()
+    {
+        if (triggerDelay > 0f)
+            yield return new WaitForSeconds(triggerDelay);
+
+        if (stalactites == null || stalactites.Length == 0)
+        {
+            if (showDebugLog)
+                Debug.LogWarning("[StalactiteFallTrigger] 연결된 FallingStalactite가 없습니다.", this);
+
+            yield break;
+        }
+
+        foreach (FallingStalactite stalactite in stalactites)
+        {
+            if (stalactite == null)
+                continue;
+
+            stalactite.TriggerFall();
+
+            if (intervalBetweenStalactites > 0f)
+                yield return new WaitForSeconds(intervalBetweenStalactites);
+        }
+
+        triggerRoutine = null;
+    }
+
+    public void ResetTrigger()
+    {
+        hasTriggered = false;
+
+        if (triggerRoutine != null)
+        {
+            StopCoroutine(triggerRoutine);
+            triggerRoutine = null;
+        }
+
+        if (showDebugLog)
+            Debug.Log($"[StalactiteFallTrigger] {name} 리셋", this);
+    }
+}