puts "========"
puts "0031816: Data Exchange - RWMesh_MaterialMap::CopyTexture() copies glb file instead of a texture inside it"
puts "========"

Close D1 -silent
ReadGltf D1 [locate_data_file bug30691_Lantern.glb]

set aTmpGltfBase "${imagedir}/${casename}_tmp"
set aTmpGltf "${aTmpGltfBase}.gltf"
lappend occ_tmp_files $aTmpGltf
lappend occ_tmp_files "${aTmpGltfBase}.bin"
lappend occ_tmp_files "${aTmpGltfBase}_textures"

WriteGltf D1 "$aTmpGltf"

ReadGltf D "$aTmpGltf"
XGetOneShape s D
checknbshapes s -face 3 -compound 1
checktrinfo s -tri 5394 -nod 4145