diff --git a/code/nel/tools/pipeline/max/class_directory_3.cpp b/code/nel/tools/pipeline/max/class_directory_3.cpp
index 7ed8cfdbb..a58b1793f 100644
--- a/code/nel/tools/pipeline/max/class_directory_3.cpp
+++ b/code/nel/tools/pipeline/max/class_directory_3.cpp
@@ -237,9 +237,11 @@ void CClassDirectory3::disown()
 const CClassEntry *CClassDirectory3::get(uint16 index) const
 {
 	nlassert(!ChunksOwnsPointers);
+	nlassert(index < m_Entries.size());
 	return m_Entries[index];
 }
 
+// Parallel to CDllDirectory
 void CClassDirectory3::reset()
 {
 	nlassert(!ChunksOwnsPointers);
@@ -251,6 +253,7 @@ void CClassDirectory3::reset()
 	m_ClassIdToIndex.clear();
 }
 
+// Parallel to CDllDirectory
 uint16 CClassDirectory3::getOrCreateIndex(const ISceneClassDesc *sceneClassDesc)
 {
 	nlassert(!ChunksOwnsPointers);
diff --git a/code/nel/tools/pipeline/max/dll_directory.cpp b/code/nel/tools/pipeline/max/dll_directory.cpp
index 3449bfda4..86980a51e 100644
--- a/code/nel/tools/pipeline/max/dll_directory.cpp
+++ b/code/nel/tools/pipeline/max/dll_directory.cpp
@@ -140,15 +140,19 @@ void CDllDirectory::parse(uint16 version, TParseLevel level)
 			switch (id)
 			{
 			case 0x2038: // DllEntry
-				if (parsedDllEntry && (lastCached != id))
-					throw EStorageParse(); // There were chunks inbetween
-				if (!parsedDllEntry)
 				{
-					m_ChunkCache.push_back(TStorageObjectWithId(id, NULL)); // Dummy entry to know the location
-					lastCached = id;
-					parsedDllEntry = true;
+					if (parsedDllEntry && (lastCached != id))
+						throw EStorageParse(); // There were chunks inbetween
+					if (!parsedDllEntry)
+					{
+						m_ChunkCache.push_back(TStorageObjectWithId(id, NULL)); // Dummy entry to know the location
+						lastCached = id;
+						parsedDllEntry = true;
+					}
+					CDllEntry *dllEntry = static_cast<CDllEntry *>(it->second);
+					m_InternalNameToIndex[NLMISC::toLower(dllEntry->dllFilename())] = m_Entries.size();
+					m_Entries.push_back(dllEntry);
 				}
-				m_Entries.push_back(static_cast<CDllEntry *>(it->second));
 				break;
 			default:
 				m_ChunkCache.push_back(*it); // Dummy entry to know the location
@@ -222,6 +226,7 @@ void CDllDirectory::disown()
 	CStorageContainer::disown();
 	m_ChunkCache.clear();
 	m_Entries.clear();
+	m_InternalNameToIndex.clear();
 
 	// Ownership goes back to Chunks
 	ChunksOwnsPointers = true;
@@ -233,6 +238,37 @@ const CDllEntry *CDllDirectory::get(uint16 index) const
 	return m_Entries[index];
 }
 
+// Parallel to CClassDirectory3
+void CDllDirectory::reset()
+{
+	nlassert(!ChunksOwnsPointers);
+	for (std::vector<CDllEntry *>::iterator subit = m_Entries.begin(), subend = m_Entries.end(); subit != subend; ++subit)
+	{
+		delete (*subit);
+	}
+	m_Entries.clear();
+	m_InternalNameToIndex.clear();
+}
+
+// Parallel to CClassDirectory3
+uint16 CDllDirectory::getOrCreateIndex(const IDllPluginDesc *dllPluginDesc)
+{
+	nlassert(!ChunksOwnsPointers);
+	std::map<ucstring, uint16>::iterator it = m_InternalNameToIndex.find(NLMISC::toLower(ucstring(dllPluginDesc->internalName())));
+
+	// Return existing index
+	if (it != m_InternalNameToIndex.end())
+		return it->second;
+
+	// Create new entry
+	/*CClassEntry *classEntry = new CClassEntry(sceneClassDesc);
+	uint16 index = m_Entries.size();
+	m_ClassIdToIndex[classEntry->classId()] = index;
+	m_Entries.push_back(classEntry);
+	return index;*/
+	return 0xFFFF;
+}
+
 IStorageObject *CDllDirectory::createChunkById(uint16 id, bool container)
 {
 	if (container)
diff --git a/code/nel/tools/pipeline/max/dll_directory.h b/code/nel/tools/pipeline/max/dll_directory.h
index e02ae45a0..55fdef77d 100644
--- a/code/nel/tools/pipeline/max/dll_directory.h
+++ b/code/nel/tools/pipeline/max/dll_directory.h
@@ -36,6 +36,7 @@
 // Project includes
 #include "storage_object.h"
 #include "storage_value.h"
+#include "dll_plugin_desc.h"
 
 namespace PIPELINE {
 namespace MAX {
@@ -63,7 +64,12 @@ public:
 	virtual void disown();
 
 	// public
+	// Get a dll entry corresponding to a chunk index, pointers become invalid after reset
 	const CDllEntry *get(uint16 index) const;
+	// Reset the dll directory, all dll entry pointers become invalid, use internal name and dll plugin registry
+	void reset();
+	// Get or create the chunk index for a dll by dll plugin description
+	uint16 getOrCreateIndex(const IDllPluginDesc *dllPluginDesc);
 
 protected:
 	virtual IStorageObject *createChunkById(uint16 id, bool container);
@@ -71,6 +77,7 @@ protected:
 private:
 	TStorageObjectContainer m_ChunkCache;
 	std::vector<CDllEntry *> m_Entries;
+	std::map<ucstring, uint16> m_InternalNameToIndex;
 
 }; /* class CDllDirectory */
 
diff --git a/code/nel/tools/pipeline/max/dll_plugin_desc.cpp b/code/nel/tools/pipeline/max/dll_plugin_desc.cpp
index 31bf801ba..01308a1c7 100644
--- a/code/nel/tools/pipeline/max/dll_plugin_desc.cpp
+++ b/code/nel/tools/pipeline/max/dll_plugin_desc.cpp
@@ -53,6 +53,8 @@ const ucchar *CDllPluginDescBuiltin::internalName() const
 	return value.c_str();
 }
 
+const CDllPluginDescBuiltin DllPluginDescBuiltin;
+
 const ucchar *CDllPluginDescScript::displayName() const
 {
 	static const ucstring value = ucstring("Script");
@@ -65,6 +67,8 @@ const ucchar *CDllPluginDescScript::internalName() const
 	return value.c_str();
 }
 
+const CDllPluginDescScript DllPluginDescScript;
+
 } /* namespace MAX */
 } /* namespace PIPELINE */
 
diff --git a/code/nel/tools/pipeline/max/dll_plugin_desc.h b/code/nel/tools/pipeline/max/dll_plugin_desc.h
index 26bcf6ded..5fc951ef9 100644
--- a/code/nel/tools/pipeline/max/dll_plugin_desc.h
+++ b/code/nel/tools/pipeline/max/dll_plugin_desc.h
@@ -82,6 +82,8 @@ class CDllPluginDescBuiltin : public IDllPluginDescInternal
 	virtual const ucchar *internalName() const;
 }; /* class CDllPluginDescBuiltin */
 
+extern const CDllPluginDescBuiltin DllPluginDescBuiltin;
+
 /**
  * \brief CDllPluginDescScript
  * \date 2012-08-20 09:59GMT
@@ -95,6 +97,8 @@ class CDllPluginDescScript : public IDllPluginDescInternal
 	virtual const ucchar *internalName() const;
 }; /* class CDllPluginDescScript */
 
+extern const CDllPluginDescScript DllPluginDescScript;
+
 } /* namespace MAX */
 } /* namespace PIPELINE */