Single inserts/removes per device creating/destruction, but searchs on every event. Arrays are better for that than lists.
Also document a bit.
git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6004 dfc29bdd-3216-0410-991c-e03cc46cb475
I suspect we could also get rid of the EnvMap list, not sure what that is about.
git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6003 dfc29bdd-3216-0410-991c-e03cc46cb475