As discovered by WouterSmits, campaigns with periods in their filenames caused issues with FSO's campaign handling. Specifically, in The Babylon Project, the EA-Minbari war v1.0.fc2 campaign would not save progress because FSO expected EA-Minbari war v1.fc2 in certain places. This is because the `_splitpath()` function attempted to remove an extension from a filename that already had it removed. For most campaigns this did not matter, but WouterSmits found a campaign where it did.
To solve this, there is now a new `util::get_file_part()` function to remove the path without removing the extension. This replaces `_splitpath()` for campaign files, as well as the similar `clean_filename()` and `GetFilePart()` functions in other places. All code paths were inspected for any chance of inadvertent extension adding, and Assertions were added to verify future code. The only potential problem area was `player:loadCampaignSavefile()` which now pre-removes the campaign extension if needed.
added myself to credit
killed some of the stupid fscking warnings (including doing some casting and commenting out unused vars in the graphics modules)
Release builds should have warning level set no higher than 2 (default is 1)
Why the hell are we getting warning's about function selected for inline expansion... (killing them with warning disables)
FS2_SPEECH was not defined (source file doesn't appear to capture preproc defines correctly either)
Goober5000