From 75985c8bf0b04a3a4abe6b75cf3bb1648f254b96 Mon Sep 17 00:00:00 2001
From: Perfare <hjyqwert@126.com>
Date: Fri, 4 May 2018 23:14:18 +0800
Subject: [PATCH] fixed bug

---
 AssetStudio/Classes/Mesh.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/AssetStudio/Classes/Mesh.cs b/AssetStudio/Classes/Mesh.cs
index 85efc2f..81b4c0c 100644
--- a/AssetStudio/Classes/Mesh.cs
+++ b/AssetStudio/Classes/Mesh.cs
@@ -753,7 +753,10 @@ namespace AssetStudio
                                 var m_Channel = m_Channels[chn];
                                 if (m_Channel.stream == s)
                                 {
-                                    chnMask |= 1u << chn;
+                                    if (m_Channel.dimension > 0)
+                                    {
+                                        chnMask |= 1u << chn;
+                                    }
                                     m_Streams[s].stride += m_Channel.dimension * (4 / (int)Math.Pow(2, m_Channel.format));
                                 }
                             }