bc4aeefe82
Use new Main->relations ID usages mapping in BKE_library_make_local(). This allows a noticeable simplification in code, and can be up to twice quicker as previous code (Make Local: All from 2 to 1 minute e.g. in a huge production file with thousands of linked data-blocks). Note that new code has been successfuly tested with several complex cases (production files from Agent327), as well as some testcases from recent bug reports related to that function. But as always, nothing beats real usage by real users, so please check this before we release 2.79. ;) Main areas that would be affected: Make Local operations (L shortcut in 3DView), and append from libraries.