Fix for IndexOutOfRangeException

Riskjockey · Riskjockey · commit d943c14fa11f · 2020-10-20T10:52:47.000+02:00
This exception occurs when accessing the UV array when the Submesh count &gt; 4
diff --git a/Assets/Plugins/MeshDebugger/Editor/MeshInfo.cs b/Assets/Plugins/MeshDebugger/Editor/MeshInfo.cs
@@ -77,7 +77,8 @@ public void Update()
             Set(ref m_Colors, m_Mesh.colors);
             Set(ref m_BoneWeights, m_Mesh.boneWeights);
             Resize(ref m_UVs, 4);
-            for (int i = 0; i < m_MeshSubmeshCount; i++)
+            //uvs are resized to be no more than 4, but if SubMeshCount > 4 then IndexOutOfRangeException would be thrown
+            for (int i = 0; i < m_MeshSubmeshCount && i < m_UVs.Length; i++)// extra range check fixes this
             {
                 m_Mesh.GetUVs(i, m_UVs[i]);
             }

Original file line number	Diff line number	Diff line change
`@@ -77,7 +77,8 @@ public void Update()`
`77`	`77`	`Set(ref m_Colors, m_Mesh.colors);`
`78`	`78`	`Set(ref m_BoneWeights, m_Mesh.boneWeights);`
`79`	`79`	`Resize(ref m_UVs, 4);`
`80`		`- for (int i = 0; i < m_MeshSubmeshCount; i++)`
	`80`	`+ //uvs are resized to be no more than 4, but if SubMeshCount > 4 then IndexOutOfRangeException would be thrown`
	`81`	`+ for (int i = 0; i < m_MeshSubmeshCount && i < m_UVs.Length; i++)// extra range check fixes this`
`81`	`82`	`{`
`82`	`83`	`m_Mesh.GetUVs(i, m_UVs[i]);`
`83`	`84`	`}`