CHG: Only terraforming when account is positive

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5755 8aca7d54-2c30-db11-9de9-000461428c89
FIX uninitialized variables


git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5756 8aca7d54-2c30-db11-9de9-000461428c89
CHG: powerlines will connect in directions a powerline can be build on a tile
FIX: problems when deleting powerline tunnels, powernet_t were double-freed
FIX: correct maintenance of powerline tunnels after loading


git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5757 8aca7d54-2c30-db11-9de9-000461428c89
FIX powerline tunnel maintenance see r5757

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5758 8aca7d54-2c30-db11-9de9-000461428c89
ADD: threaded (but with graphic errors) tile redraw will by used automatically when fps too low

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5759 8aca7d54-2c30-db11-9de9-000461428c89
FIX: correctly connect underground transformers to 1x1 power stations

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5760 8aca7d54-2c30-db11-9de9-000461428c89
FIX crash with zoomed in minimap; move zoom functions to karte.cc, do range check there

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5761 8aca7d54-2c30-db11-9de9-000461428c89
CODE: rename zoom_out <-> zoom_it to reflect purpose of these variables

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5762 8aca7d54-2c30-db11-9de9-000461428c89
FIX crash with zoom in minimap in isometric view for large maps


git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5763 8aca7d54-2c30-db11-9de9-000461428c89
FIX: connect powerline bridges ending on vertical slope again

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5764 8aca7d54-2c30-db11-9de9-000461428c89
update help files

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5765 8aca7d54-2c30-db11-9de9-000461428c89
CODE: cleanup and comment powernet_t

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5766 8aca7d54-2c30-db11-9de9-000461428c89
Make map conform with scalable dialoge and make overlay a dedicated button as requested

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5767 8aca7d54-2c30-db11-9de9-000461428c89
CODE: remove unused WINDOW_REZOOM event

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5768 8aca7d54-2c30-db11-9de9-000461428c89
CODE: correct spelling, removed forward declarations

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5769 8aca7d54-2c30-db11-9de9-000461428c89
FIX: make building transformers underground network-safe

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5770 8aca7d54-2c30-db11-9de9-000461428c89
Fix map icons/prepare for release

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5771 8aca7d54-2c30-db11-9de9-000461428c89
FIX: scale up industries on minimap when zooming out

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5772 8aca7d54-2c30-db11-9de9-000461428c89
Some further last minute fixes in minimap

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@5773 8aca7d54-2c30-db11-9de9-000461428c89