From a1249f5fcb06c0e06fa7f4216986d59ba8771a82 Mon Sep 17 00:00:00 2001
From: Jeremy Hu <huxingyi@msn.com>
Date: Sat, 16 Mar 2019 15:32:45 +0930
Subject: [PATCH] Fix material preview.

---
 src/meshgenerator.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/meshgenerator.cpp b/src/meshgenerator.cpp
index 700cd04f..2d1320ac 100644
--- a/src/meshgenerator.cpp
+++ b/src/meshgenerator.cpp
@@ -496,9 +496,8 @@ nodemesh::Combiner::Mesh *MeshGenerator::combineComponentMesh(const QString &com
     
     if (m_cacheEnabled) {
         if (m_dirtyComponentIds.find(componentIdString) == m_dirtyComponentIds.end()) {
-            if (nullptr == componentCache.mesh)
-                return nullptr;
-            return new nodemesh::Combiner::Mesh(*componentCache.mesh);
+            if (nullptr != componentCache.mesh)
+                return new nodemesh::Combiner::Mesh(*componentCache.mesh);
         }
     }