Press space bar to turn the selection brush on and off. You need to be using the selection brush. Go to "Layer" and choose the layer you want to work with. Why can't I select units? (or trees, terrain, or ground) It is unlikely that you will permanently corrupt your map, but often if something does go wrong it is easier to start from a backup than to try and fix the problem. This makes sure that you always have a backup. If possible, rename your map every time you save it. Don't use adjectives like "platinum" because they make it impossible to tell which version is newest.Īs often as you have patience for.If you really don't want your map released yet then include a trigger that aborts the game if you are not in it. Always assume that people will distribute your map.
If you don't, then you risk having your old version overwrite newer versions. Include a version number, and change the version number every time you host a new version of your map.This prevents versions by different people overwriting each other. Make sure you give the original author credit if you based your map off of someone else's. Put your name (handle) in it, especially if you are modifying someone else's map.Maps should never overwrite each other, you should be able to tell who made a map, and which version of a map is the newest.