-Check that file is open before trying to write to it.
-Remove unnecessary include.
-Use 256 for fallback texture dimensions when writing a pie 2.
-Fix rounding when exporting to pie 2.
git-svn-id: https://warzone2100.svn.sourceforge.net/svnroot/warzone2100/trunk@10759 4a71c877-e1ca-e34f-864e-861f7616d084
-Added experimental PIE export.
-Added experimental PIE 3 import.
-Merged PIE and WZM opening into one dialog.
-Fixed ambiguous shortcuts.
-Single mesh display.
-Turned on alpha blending (for textures with alpha.)
-Improved (but not removed,) use of hardcoded paths for texture finding.
-Fixed some memory leaks.
-Way less potential program exits.
-Disabled (i.e. grayed out) buttons that don't currently do anything.
-Fixed some warnings.
Possibly other stuff, and probably new bugs. ;P
Refs #1763
git-svn-id: https://warzone2100.svn.sourceforge.net/svnroot/warzone2100/trunk@10729 4a71c877-e1ca-e34f-864e-861f7616d084
Safety0ff