From 50cd5d3b9bf5a809cb4f458aefc5f68b8fb2efb3 Mon Sep 17 00:00:00 2001
From: way-zer <himc.wicp@gmail.com>
Date: Sat, 6 Sep 2025 18:49:13 +0800
Subject: [PATCH] =?UTF-8?q?=F0=9F=9A=91=EF=B8=8F=20=E4=B8=8D=E5=86=8D?=
 =?UTF-8?q?=E5=85=81=E8=AE=B8=E9=80=9A=E8=BF=87=E4=B8=8D=E5=90=8C=E5=AD=90?=
 =?UTF-8?q?=E6=A0=91=E8=AE=BF=E9=97=AE/=E4=BF=AE=E6=94=B9=E5=90=8C?=
 =?UTF-8?q?=E4=B8=80=E4=B8=AA=E5=AF=B9=E8=B1=A1?=
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---
 .../kotlin/cf/wayzer/contentsTweaker/CTNode.kt     | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/main/kotlin/cf/wayzer/contentsTweaker/CTNode.kt b/src/main/kotlin/cf/wayzer/contentsTweaker/CTNode.kt
index fa30683..7193065 100644
--- a/src/main/kotlin/cf/wayzer/contentsTweaker/CTNode.kt
+++ b/src/main/kotlin/cf/wayzer/contentsTweaker/CTNode.kt
@@ -6,6 +6,7 @@ import arc.util.serialization.JsonWriter
 import cf.wayzer.contentsTweaker.CTNode.*
 import cf.wayzer.contentsTweaker.util.ExtendableClass
 import cf.wayzer.contentsTweaker.util.ExtendableClassDSL
+import java.util.*
 
 /**
  * 所有节点都是[CTNode]
@@ -45,8 +46,10 @@ class CTNode private constructor() : ExtendableClass<CTExtInfo>() {
         val node = children[name]
             ?: getAll<IndexableRaw>().firstNotNullOfOrNull { it.resolve(name) }
             ?: error("Not found child $name")
-        node.collectAll()
-        return node
+        //If it's a duplicate Node for object, only Modifiers are accessible.
+        if (get<ObjInfo<*>>()?.isDuplicated == true && node.get<Modifier>() == null)
+            error("Duplicated Object Node, cannot visit children")
+        return node.collectAll()
     }
 
     /** 供[ContentsTweaker.NodeCollector]使用，解析清使用[resolve]*/
@@ -61,7 +64,13 @@ class CTNode private constructor() : ExtendableClass<CTExtInfo>() {
         val elementType: Class<*>? = null, // List.T or Map.V
         val keyType: Class<*>? = null // Map.K
     ) : CTExtInfo {
+        val isDuplicated = duplicatedObjects.put(obj, Unit) != null
+
         constructor(obj: T & Any) : this(obj, obj::class.java)
+
+        companion object {
+            val duplicatedObjects = IdentityHashMap<Any, Unit>()
+        }
     }
 
     fun interface Resettable : CTExtInfo {
@@ -184,6 +193,7 @@ class CTNode private constructor() : ExtendableClass<CTExtInfo>() {
 
             Root.children.clear()
             Root.collected = false
+            ObjInfo.duplicatedObjects.clear()
         }
 
         fun handle(json: JsonValue, node: CTNode = Root.collectAll()) {