Fix index offset mis-cast causing overflow

ackwell · Ottermandias · commit a4bd015836a6 · 2024-03-02T23:48:55.000+01:00
diff --git a/Penumbra/Import/Models/Import/MeshImporter.cs b/Penumbra/Import/Models/Import/MeshImporter.cs
@@ -167,7 +167,7 @@ private void BuildSubMeshForNode(Node node)
         // And finally, merge in the sub-mesh struct itself.
         _subMeshes.Add(subMesh.SubMeshStruct with
         {
-            IndexOffset = (ushort)(subMesh.SubMeshStruct.IndexOffset + indexOffset),
+            IndexOffset = (uint)(subMesh.SubMeshStruct.IndexOffset + indexOffset),
             AttributeIndexMask = Utility.GetMergedAttributeMask(
                 subMesh.SubMeshStruct.AttributeIndexMask, subMesh.MetaAttributes, _metaAttributes),
         });

Original file line number	Diff line number	Diff line change
`@@ -167,7 +167,7 @@ private void BuildSubMeshForNode(Node node)`
`167`	`167`	`// And finally, merge in the sub-mesh struct itself.`
`168`	`168`	`_subMeshes.Add(subMesh.SubMeshStruct with`
`169`	`169`	`{`
`170`		`- IndexOffset = (ushort)(subMesh.SubMeshStruct.IndexOffset + indexOffset),`
	`170`	`+ IndexOffset = (uint)(subMesh.SubMeshStruct.IndexOffset + indexOffset),`
`171`	`171`	`AttributeIndexMask = Utility.GetMergedAttributeMask(`
`172`	`172`	`subMesh.SubMeshStruct.AttributeIndexMask, subMesh.MetaAttributes, _metaAttributes),`
`173`	`173`	`});`