Initial work on 0x006BEF1B.
Removed comments, removed v3 variable.
Cleaned up more code in sub_6BEF1B.
Added sub_6BED21 (called from sub_6BEF1B).
Removed goto in sub_6BED21.
Changed hardcode address to RCT2_ADDRESS_SPRITE_LIST.
Changed sub_6EBED21 to use peep as a parameter.
Used proper function for window_invalidate.
Changed sub_6BEF1B to use window_create_auto_pos rather than the subfunction.
Removed unused parameters, fixed warning.
Decompiled first part of left down
Added remaining left click on viewport functions
Moved old function comment to top of func
change options window to tab interface

To better group the options together and allow the window to be scalable with additional OpenRCT2 options, I have changed the window to a tab interface similar to the options window seen in Locomotion.
Merge branch 'master' of https://github.com/IntelOrca/OpenRCT2.git
Merge pull request #302 from duncanspumpkin/viewport_left_down

Viewport left down
Merge pull request #1 from IntelOrca/master

test for forked repo
Fixes and some additional translated strings

Fixed fullscreen selection, typos and overflowing text.
Merge pull request #306 from Gymnasiast/master

Fixes and some additional translated strings
Update readme.md

Update progress section.