지하 최적화

블록 프리팹 단위 -> 블록 청크 단위 스폰
기타 건설, 조준 관련 사이드이펙트 버그 수정

Assets/Scripts/Player/MiningBehavior.cs

@@ -2,6 +2,7 @@
 
 /// <summary>
 /// Mining behavior for pickaxes and similar tools.
+/// Supports both legacy MineableBlock and new chunk-based MineableChunk.
 /// </summary>
 [CreateAssetMenu(menuName = "Items/Behaviors/Mining Behavior")]
 public class MiningBehavior : ItemBehavior
@@ -27,7 +28,25 @@ public class MiningBehavior : ItemBehavior
     {
         if (target == null) return;
 
-        // Use IDamageable interface for all damageable objects
+        // Try chunk-based mining first (new system)
+        if (target.TryGetComponent<MineableChunk>(out var chunk))
+        {
+            // Get the specific block index from PlayerNetworkController
+            var playerController = user.GetComponent<PlayerNetworkController>();
+            if (playerController != null)
+            {
+                var chunkTarget = playerController.GetCurrentChunkTarget();
+                if (chunkTarget.hasHit && chunkTarget.chunk == chunk)
+                {
+                    // Damage the specific block within the chunk
+                    chunk.DamageBlockServerRpc(chunkTarget.blockIndex, (byte)Mathf.Min(255, damage));
+                    return;
+                }
+            }
+            return;
+        }
+
+        // Fallback to legacy IDamageable interface
         if (target.TryGetComponent<IDamageable>(out var damageable))
         {
             damageable.TakeDamage(new DamageInfo(damage, DamageType.Mining, user));
@@ -37,8 +56,15 @@ public class MiningBehavior : ItemBehavior
     public override string GetBlockedReason(GameObject user, GameObject target)
     {
         if (target == null) return "No target";
+
+        // Check for chunk
+        if (target.TryGetComponent<MineableChunk>(out _))
+            return null; // Chunks are always mineable
+
+        // Check for legacy damageable
         if (!target.TryGetComponent<IDamageable>(out _))
             return "Cannot mine this object";
+
         return null;
     }
 }