diff --git a/src/EterGrnLib/ModelInstanceRender.cpp b/src/EterGrnLib/ModelInstanceRender.cpp
index 1243d76..d539b8c 100644
--- a/src/EterGrnLib/ModelInstanceRender.cpp
+++ b/src/EterGrnLib/ModelInstanceRender.cpp
@@ -217,7 +217,7 @@ void CGrannyModelInstance::RenderMeshNodeListWithOneTexture(CGrannyMesh::EType e
 
 			CGrannyMaterial& rkMtrl=m_kMtrlPal.GetMaterialRef(pTriGroupNode->mtrlIndex);
 			rkMtrl.ApplyRenderState();
-			STATEMANAGER.DrawIndexedPrimitive(D3DPT_TRIANGLELIST, 0, vtxCount, pTriGroupNode->idxPos, pTriGroupNode->triCount);
+			STATEMANAGER.DrawIndexedPrimitive(D3DPT_TRIANGLELIST, vtxMeshBasePos, 0, vtxCount, pTriGroupNode->idxPos, pTriGroupNode->triCount);
 			rkMtrl.RestoreRenderState();
 			
 			pTriGroupNode = pTriGroupNode->pNextTriGroupNode;
@@ -256,7 +256,7 @@ void CGrannyModelInstance::RenderMeshNodeListWithTwoTexture(CGrannyMesh::EType e
 			const CGrannyMaterial& rkMtrl=m_kMtrlPal.GetMaterialRef(pTriGroupNode->mtrlIndex);
 			STATEMANAGER.SetTexture(0, rkMtrl.GetD3DTexture(0));
 			STATEMANAGER.SetTexture(1, rkMtrl.GetD3DTexture(1));
-			STATEMANAGER.DrawIndexedPrimitive(D3DPT_TRIANGLELIST, 0, vtxCount, pTriGroupNode->idxPos, pTriGroupNode->triCount);
+			STATEMANAGER.DrawIndexedPrimitive(D3DPT_TRIANGLELIST, vtxMeshBasePos, 0, vtxCount, pTriGroupNode->idxPos, pTriGroupNode->triCount);
 			pTriGroupNode = pTriGroupNode->pNextTriGroupNode;
 		}
 		/////
@@ -290,7 +290,7 @@ void CGrannyModelInstance::RenderMeshNodeListWithoutTexture(CGrannyMesh::EType e
 		while (pTriGroupNode)
 		{
 			ms_faceCount += pTriGroupNode->triCount;
-			STATEMANAGER.DrawIndexedPrimitive(D3DPT_TRIANGLELIST, 0, vtxCount, pTriGroupNode->idxPos, pTriGroupNode->triCount);
+			STATEMANAGER.DrawIndexedPrimitive(D3DPT_TRIANGLELIST, vtxMeshBasePos, 0, vtxCount, pTriGroupNode->idxPos, pTriGroupNode->triCount);
 			pTriGroupNode = pTriGroupNode->pNextTriGroupNode;
 		}
 		/////
diff --git a/src/EterLib/StateManager.cpp b/src/EterLib/StateManager.cpp
index 39daeeb..0625c4e 100644
--- a/src/EterLib/StateManager.cpp
+++ b/src/EterLib/StateManager.cpp
@@ -900,6 +900,15 @@ HRESULT CStateManager::DrawIndexedPrimitive(D3DPRIMITIVETYPE PrimitiveType, UINT
 	return (m_lpD3DDev->DrawIndexedPrimitive(PrimitiveType, 0, minIndex, NumVertices, startIndex, primCount));
 }
 
+HRESULT CStateManager::DrawIndexedPrimitive(D3DPRIMITIVETYPE PrimitiveType, INT baseVertexIndex, UINT minIndex, UINT NumVertices, UINT startIndex, UINT primCount)
+{
+#ifdef _DEBUG
+	++m_iDrawCallCount;
+#endif
+
+	return (m_lpD3DDev->DrawIndexedPrimitive(PrimitiveType, baseVertexIndex, minIndex, NumVertices, startIndex, primCount));
+}
+
 HRESULT CStateManager::DrawIndexedPrimitiveUP(D3DPRIMITIVETYPE PrimitiveType, UINT MinVertexIndex, UINT NumVertexIndices, UINT PrimitiveCount, CONST void* pIndexData, D3DFORMAT IndexDataFormat, CONST void* pVertexStreamZeroData, UINT VertexStreamZeroStride)
 {
 #ifdef _DEBUG
diff --git a/src/EterLib/StateManager.h b/src/EterLib/StateManager.h
index 00a4402..14f65a1 100644
--- a/src/EterLib/StateManager.h
+++ b/src/EterLib/StateManager.h
@@ -339,6 +339,7 @@ public:
 	HRESULT DrawPrimitive(D3DPRIMITIVETYPE PrimitiveType, UINT StartVertex, UINT PrimitiveCount);
 	HRESULT DrawPrimitiveUP(D3DPRIMITIVETYPE PrimitiveType, UINT PrimitiveCount, const void* pVertexStreamZeroData, UINT VertexStreamZeroStride);
 	HRESULT DrawIndexedPrimitive(D3DPRIMITIVETYPE PrimitiveType, UINT minIndex, UINT NumVertices, UINT startIndex, UINT primCount);
+	HRESULT DrawIndexedPrimitive(D3DPRIMITIVETYPE PrimitiveType, INT baseVertexIndex, UINT minIndex, UINT NumVertices, UINT startIndex, UINT primCount);
 	HRESULT DrawIndexedPrimitiveUP(D3DPRIMITIVETYPE PrimitiveType, UINT MinVertexIndex, UINT NumVertexIndices, UINT PrimitiveCount, CONST void* pIndexData, D3DFORMAT IndexDataFormat, CONST void* pVertexStreamZeroData, UINT VertexStreamZeroStride);
 
 	// Codes For Debug