CODE: initialize all members in event_t's constructor

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6852 8aca7d54-2c30-db11-9de9-000461428c89
ADD: automatic rotation for city building placement tool

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6853 8aca7d54-2c30-db11-9de9-000461428c89
CODE: cache connection is_transfer value
signigicant speeduo for routesearch


git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6854 8aca7d54-2c30-db11-9de9-000461428c89
remove redundant/wrong png_start_read_image call

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6855 8aca7d54-2c30-db11-9de9-000461428c89
CODE: add class karte_ptr_t to carry pointer to single instance of world

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6856 8aca7d54-2c30-db11-9de9-000461428c89
remove outdated comment

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6857 8aca7d54-2c30-db11-9de9-000461428c89
FIX: no lighthouses at the edge of the map

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6858 8aca7d54-2c30-db11-9de9-000461428c89
CODE: check building sites for factories in fabrikbauer

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6859 8aca7d54-2c30-db11-9de9-000461428c89
ADD command-line option -threads to set number of threads

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6860 8aca7d54-2c30-db11-9de9-000461428c89
class instead struct to keep MSVC happy

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6861 8aca7d54-2c30-db11-9de9-000461428c89
Update links for pak192.comic

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6862 8aca7d54-2c30-db11-9de9-000461428c89
Update links for pak192.comic

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6863 8aca7d54-2c30-db11-9de9-000461428c89
reformatting

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6864 8aca7d54-2c30-db11-9de9-000461428c89
FIX: a diagonal river may not find a way on water

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6865 8aca7d54-2c30-db11-9de9-000461428c89
FIX: could not lower terrain below sea level when neighbouring tiles were occupied

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6866 8aca7d54-2c30-db11-9de9-000461428c89
(Athur-Denture) FIX: remove unused events and avpoid double definition

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6867 8aca7d54-2c30-db11-9de9-000461428c89
merge