portal: combating the space-detection issue.
what needs to be tweaked next is how far away objects are spawned.
it should either be a trial&error adjustment or depend on the object's moving direction and the portal's angle in order to avoid issues with box collisions.
if the spawn distance to the portal is just a fixed value (as it was before this patch) or a constant factor (it is now) it can be too big for "nice" portal angles (in tight gaps with still enough space, but -> denied) and too small for bad angles (box collision esp. on big objects like barrels -> denied)
Here is a list of items that need to be addressed in FreeType 2
---------------------------------------------------------------
* Implement stem3/counter hints properly in the Postscript hinter.
* Add CIDCMap support to the CID driver.
* Add track kerning support to the PFR driver.
* Add kerning (AFM file) support to the CID driver.
Here is a list of bugs which should be handled
----------------------------------------------
Other bugs have been registered at the savannah bugzilla of FreeType.
* CID driver:
Handle the case where a CID font has a top-level font matrix also
(see PLRM, 5.11.3, Type 0 CIDFonts). Since CID_FaceInfoRec lacks
a font_matrix entry we have to directly apply it to all subfont
matrices.
* CID driver:
Use top-level font matrix entry for setting the upem value, not the
entries in the FDarray. If absent, use 1000.
------------------------------------------------------------------------
Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007 by
David Turner, Robert Wilhelm, and Werner Lemberg.
This file is part of the FreeType project, and may only be used,
modified, and distributed under the terms of the FreeType project
license, LICENSE.TXT. By continuing to use, modify, or distribute this
file you indicate that you have read the license and understand and
accept it fully.
--- end of TODO ---